Merge branch 'develop' into chore/add-compiler-warnings

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>

.git-blame-ignore-revs

@@ -0,0 +1,4 @@
+# .git-blame-ignore-revs
+
+# tabs -> spaces
+bbb3b3e6f6e3c0f95873f22e6d0a4aaf350f49d9

.github/workflows/build.yml

@@ -86,11 +86,11 @@ jobs:
 
           - os: macos-12
             name: macOS
-            macosx_deployment_target: 10.15
+            macosx_deployment_target: 11.0
             qt_ver: 6
             qt_host: mac
             qt_arch: ''
-            qt_version: '6.5.1'
+            qt_version: '6.5.0'
             qt_modules: 'qt5compat qtimageformats'
             qt_tools: ''
 
@@ -191,7 +191,7 @@ jobs:
         if: runner.os == 'Linux'
         run: |
           sudo apt-get -y update
-          sudo apt-get -y install ninja-build extra-cmake-modules scdoc
+          sudo apt-get -y install ninja-build extra-cmake-modules scdoc appstream
 
       - name: Install Dependencies (macOS)
         if: runner.os == 'macOS'
@@ -250,6 +250,7 @@ jobs:
           wget "https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage"
 
           ${{ github.workspace }}/.github/scripts/prepare_JREs.sh
+          sudo apt install libopengl0
 
       - name: Add QT_HOST_PATH var (Windows MSVC arm64)
         if: runner.os == 'Windows' && matrix.architecture == 'arm64'
@@ -375,6 +376,8 @@ jobs:
         shell: msys2 {0}
         run: |
           cmake --install ${{ env.BUILD_DIR }}
+          touch ${{ env.INSTALL_DIR }}/manifest.txt
+          for l in $(find ${{ env.INSTALL_DIR }} -type f); do l=$(cygpath -u $l); l=${l#$(pwd)/}; l=${l#${{ env.INSTALL_DIR }}/}; l=${l#./}; echo $l; done >> ${{ env.INSTALL_DIR }}/manifest.txt 
 
       - name: Package (Windows MSVC)
         if: runner.os == 'Windows' && matrix.msystem == ''
@@ -387,6 +390,10 @@ jobs:
             Copy-Item D:/a/PrismLauncher/Qt/Tools/OpenSSL/Win_x86/bin/libcrypto-1_1.dll -Destination libcrypto-1_1.dll
             Copy-Item D:/a/PrismLauncher/Qt/Tools/OpenSSL/Win_x86/bin/libssl-1_1.dll -Destination libssl-1_1.dll
           }
+          cd ${{ github.workspace }}
+
+          Get-ChildItem ${{ env.INSTALL_DIR }} -Recurse | ForEach FullName | Resolve-Path -Relative | %{ $_.TrimStart('.\') } | %{ $_.TrimStart('${{ env.INSTALL_DIR }}') } | %{ $_.TrimStart('\') } | Out-File -FilePath ${{ env.INSTALL_DIR }}/manifest.txt
+
 
       - name: Fetch codesign certificate (Windows)
         if: runner.os == 'Windows'
@@ -411,12 +418,15 @@ jobs:
         run: |
           cp -r ${{ env.INSTALL_DIR }} ${{ env.INSTALL_PORTABLE_DIR }}  # cmake install on Windows is slow, let's just copy instead
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_PORTABLE_DIR }} --component portable
+          for l in $(find ${{ env.INSTALL_PORTABLE_DIR }} -type f); do l=$(cygpath -u $l); l=${l#$(pwd)/}; l=${l#${{ env.INSTALL_PORTABLE_DIR }}/}; l=${l#./}; echo $l; done >> ${{ env.INSTALL_PORTABLE_DIR }}/manifest.txt
 
       - name: Package (Windows MSVC, portable)
         if: runner.os == 'Windows' && matrix.msystem == ''
         run: |
           cp -r ${{ env.INSTALL_DIR }} ${{ env.INSTALL_PORTABLE_DIR }}  # cmake install on Windows is slow, let's just copy instead
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_PORTABLE_DIR }} --component portable
+          
+          Get-ChildItem ${{ env.INSTALL_PORTABLE_DIR }} -Recurse | ForEach FullName | Resolve-Path -Relative | %{ $_.TrimStart('.\') } | %{ $_.TrimStart('${{ env.INSTALL_PORTABLE_DIR }}') } | %{ $_.TrimStart('\') } | Out-File -FilePath ${{ env.INSTALL_DIR }}/manifest.txt
 
       - name: Package (Windows, installer)
         if: runner.os == 'Windows'
@@ -437,6 +447,7 @@ jobs:
         if: runner.os == 'Linux'
         run: |
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_DIR }}
+          for l in $(find ${{ env.INSTALL_DIR }} -type f); do l=${l#$(pwd)/}; l=${l#${{ env.INSTALL_DIR }}/}; l=${l#./}; echo $l; done > ${{ env.INSTALL_DIR }}/manifest.txt
 
           cd ${{ env.INSTALL_DIR }}
           tar --owner root --group root -czf ../PrismLauncher.tar.gz *
@@ -446,6 +457,8 @@ jobs:
         run: |
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_PORTABLE_DIR }}
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_PORTABLE_DIR }} --component portable
+          for l in $(find ${{ env.INSTALL_PORTABLE_DIR }} -type f); do l=${l#$(pwd)/}; l=${l#${{ env.INSTALL_PORTABLE_DIR }}/}; l=${l#./}; echo $l; done > ${{ env.INSTALL_PORTABLE_DIR }}/manifest.txt
+
 
           cd ${{ env.INSTALL_PORTABLE_DIR }}
           tar -czf ../PrismLauncher-portable.tar.gz *
@@ -455,7 +468,8 @@ jobs:
         shell: bash
         run: |
           cmake --install ${{ env.BUILD_DIR }} --prefix ${{ env.INSTALL_APPIMAGE_DIR }}/usr
-
+          mv ${{ env.INSTALL_APPIMAGE_DIR }}/usr/share/metainfo/org.prismlauncher.PrismLauncher.metainfo.xml ${{ env.INSTALL_APPIMAGE_DIR }}/usr/share/metainfo/org.prismlauncher.PrismLauncher.appdata.xml
+          export "NO_APPSTREAM=1" # we have to skip appstream checking because appstream on ubuntu 20.04 is outdated
           export OUTPUT="PrismLauncher-${{ runner.os }}-${{ env.VERSION }}-${{ inputs.build_type }}-x86_64.AppImage"
 
           chmod +x linuxdeploy-*.AppImage
@@ -470,7 +484,8 @@ jobs:
           cp -r /home/runner/work/PrismLauncher/Qt/${{ matrix.qt_version }}/gcc_64/plugins/iconengines/* ${{ env.INSTALL_APPIMAGE_DIR }}/usr/plugins/iconengines
           
           cp /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 ${{ env.INSTALL_APPIMAGE_DIR }}/usr/lib/
-          cp /usr/lib/x86_64-linux-gnu/libssl.so.1.1 ${{ env.INSTALL_APPIMAGE_DIR }}//usr/lib/
+          cp /usr/lib/x86_64-linux-gnu/libssl.so.1.1 ${{ env.INSTALL_APPIMAGE_DIR }}/usr/lib/
+          cp /usr/lib/x86_64-linux-gnu/libOpenGL.so.0* ${{ env.INSTALL_APPIMAGE_DIR }}/usr/lib/
 
           LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${{ env.INSTALL_APPIMAGE_DIR }}/usr/lib"
           LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${{ env.INSTALL_APPIMAGE_DIR }}/usr/lib/jvm/java-8-openjdk/lib/amd64/server"
@@ -587,7 +602,7 @@ jobs:
           submodules: 'true'
       - name: Install nix
         if: inputs.build_type == 'Debug'
-        uses: cachix/install-nix-action@v21
+        uses: cachix/install-nix-action@v22
         with:
           install_url: https://nixos.org/nix/install
           extra_nix_config: |

.github/workflows/trigger_release.yml

@@ -47,7 +47,7 @@ jobs:
           mv PrismLauncher-macOS-Legacy*/PrismLauncher.tar.gz PrismLauncher-macOS-Legacy-${{ env.VERSION }}.tar.gz
           mv PrismLauncher-macOS*/PrismLauncher.tar.gz PrismLauncher-macOS-${{ env.VERSION }}.tar.gz
 
-          tar -czf PrismLauncher-${{ env.VERSION }}.tar.gz PrismLauncher-${{ env.VERSION }}
+          tar --exclude='.git' -czf PrismLauncher-${{ env.VERSION }}.tar.gz PrismLauncher-${{ env.VERSION }}
 
           for d in PrismLauncher-Windows-MSVC*; do
             cd "${d}" || continue

CMakeLists.txt

@@ -138,7 +138,7 @@ set(Launcher_NEWS_OPEN_URL "https://prismlauncher.org/news" CACHE STRING "URL th
 set(Launcher_HELP_URL "https://prismlauncher.org/wiki/help-pages/%1" CACHE STRING "URL (with arg %1 to be substituted with page-id) that gets opened when the user requests help")
 
 ######## Set version numbers ########
-set(Launcher_VERSION_MAJOR 7)
+set(Launcher_VERSION_MAJOR 8)
 set(Launcher_VERSION_MINOR 0)
 
 set(Launcher_VERSION_NAME "${Launcher_VERSION_MAJOR}.${Launcher_VERSION_MINOR}")

buildconfig/BuildConfig.cpp.in

@@ -82,6 +82,7 @@ Config::Config()
     {
         GIT_REFSPEC = "refs/heads/stable";
         GIT_TAG = versionString();
+        GIT_COMMIT = "";
     }
 
     if (GIT_REFSPEC.startsWith("refs/heads/"))

buildconfig/BuildConfig.h

@@ -1,8 +1,9 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -36,6 +37,7 @@
 
 #pragma once
 #include <QString>
+#include <QList>
 
 /**
  * \brief The Config class holds all the build-time information passed from the build system.
@@ -160,6 +162,7 @@ class Config {
 
     QString MODRINTH_STAGING_URL = "https://staging-api.modrinth.com/v2";
     QString MODRINTH_PROD_URL = "https://api.modrinth.com/v2";
+    QStringList MODRINTH_MRPACK_HOSTS{"cdn.modrinth.com", "github.com", "raw.githubusercontent.com", "gitlab.com"};
 
     QString FLAME_BASE_URL = "https://api.curseforge.com/v1";
 

default.nix

@@ -1 +1,14 @@
-(import nix/flake-compat.nix).defaultNix
+(
+  import
+  (
+    let
+      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    in
+      fetchTarball {
+        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+        sha256 = lock.nodes.flake-compat.locked.narHash;
+      }
+  )
+  {src = ./.;}
+)
+.defaultNix

flake.lock

@@ -16,29 +16,31 @@
         "type": "github"
       }
     },
-    "flake-compat_2": {
+    "flake-parts": {
-      "flake": false,
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
       "locked": {
-        "lastModified": 1673956053,
+        "lastModified": 1683560683,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "narHash": "sha256-XAygPMN5Xnk/W2c1aW0jyEa6lfMDZWlQgiNtmHXytPc=",
-        "owner": "edolstra",
+        "owner": "hercules-ci",
-        "repo": "flake-compat",
+        "repo": "flake-parts",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "006c75898cf814ef9497252b022e91c946ba8e17",
         "type": "github"
       },
       "original": {
-        "owner": "edolstra",
+        "owner": "hercules-ci",
-        "repo": "flake-compat",
+        "repo": "flake-parts",
         "type": "github"
       }
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1676283394,
+        "lastModified": 1667395993,
-        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
         "type": "github"
       },
       "original": {
@@ -86,11 +88,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1678693419,
+        "lastModified": 1685012353,
-        "narHash": "sha256-bbSv5yqZAW6dz+3f3f3pOUZbxpPN+3OgCljgn7P+nnQ=",
+        "narHash": "sha256-U3oOge4cHnav8OLGdRVhL45xoRj4Ppd+It6nPC9nNIU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8e3fad82be64c06fbfb9fd43993aec9ef4623936",
+        "rev": "aeb75dba965e790de427b73315d5addf91a54955",
         "type": "github"
       },
       "original": {
@@ -100,40 +102,44 @@
         "type": "github"
       }
     },
-    "nixpkgs-stable": {
+    "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1673800717,
+        "dir": "lib",
-        "narHash": "sha256-SFHraUqLSu5cC6IxTprex/nTsI81ZQAtDvlBvGDWfnA=",
+        "lastModified": 1682879489,
+        "narHash": "sha256-sASwo8gBt7JDnOOstnps90K1wxmVfyhsTPPNTGBPjjg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2f9fd351ec37f5d479556cd48be4ca340da59b8f",
+        "rev": "da45bf6ec7bbcc5d1e14d3795c025199f28e0de0",
         "type": "github"
       },
       "original": {
+        "dir": "lib",
         "owner": "NixOS",
-        "ref": "nixos-22.11",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "pre-commit-hooks": {
       "inputs": {
-        "flake-compat": "flake-compat_2",
+        "flake-compat": [
-        "flake-utils": [
+          "flake-compat"
-          "flake-utils"
         ],
+        "flake-utils": "flake-utils",
         "gitignore": "gitignore",
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-stable": "nixpkgs-stable"
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1678376203,
+        "lastModified": 1684842236,
-        "narHash": "sha256-3tyYGyC8h7fBwncLZy5nCUjTJPrHbmNwp47LlNLOHSM=",
+        "narHash": "sha256-rYWsIXHvNhVQ15RQlBUv67W3YnM+Pd+DuXGMvCBq2IE=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "1a20b9708962096ec2481eeb2ddca29ed747770a",
+        "rev": "61e567d6497bc9556f391faebe5e410e6623217f",
         "type": "github"
       },
       "original": {
@@ -145,7 +151,7 @@
     "root": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
+        "flake-parts": "flake-parts",
         "libnbtplusplus": "libnbtplusplus",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks"

flake.nix

@@ -3,11 +3,12 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    flake-utils.url = "github:numtide/flake-utils";
+    flake-parts.url = "github:hercules-ci/flake-parts";
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";
       inputs.nixpkgs.follows = "nixpkgs";
-      inputs.flake-utils.follows = "flake-utils";
+      inputs.nixpkgs-stable.follows = "nixpkgs";
+      inputs.flake-compat.follows = "flake-compat";
     };
     flake-compat = {
       url = "github:edolstra/flake-compat";
@@ -19,73 +20,8 @@
     };
   };
 
-  outputs = {
+  outputs = inputs:
-    self,
+    inputs.flake-parts.lib.mkFlake
-    nixpkgs,
+    {inherit inputs;}
-    flake-utils,
+    {imports = [./nix];};
-    pre-commit-hooks,
-    libnbtplusplus,
-    ...
-  }: let
-    # User-friendly version number.
-    version = builtins.substring 0 8 self.lastModifiedDate;
-
-    # Supported systems (qtbase is currently broken for "aarch64-darwin")
-    supportedSystems = with flake-utils.lib.system; [
-      x86_64-linux
-      x86_64-darwin
-      aarch64-linux
-    ];
-
-    packagesFn = pkgs: {
-      prismlauncher-qt5 = pkgs.libsForQt5.callPackage ./nix {
-        inherit version self libnbtplusplus;
-      };
-      prismlauncher = pkgs.qt6Packages.callPackage ./nix {
-        inherit version self libnbtplusplus;
-      };
-    };
-  in
-    flake-utils.lib.eachSystem supportedSystems (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
-    in {
-      checks = {
-        pre-commit-check = pre-commit-hooks.lib.${system}.run {
-          src = ./.;
-          hooks = {
-            markdownlint.enable = true;
-
-            alejandra.enable = true;
-            deadnix.enable = true;
-
-            clang-format = {
-              enable =
-                false; # As most of the codebase is **not** formatted, we don't want clang-format yet
-              types_or = ["c" "c++"];
-            };
-          };
-        };
-      };
-
-      packages = let
-        packages = packagesFn pkgs;
-      in
-        packages // {default = packages.prismlauncher;};
-
-      devShells.default = pkgs.mkShell {
-        inherit (self.checks.${system}.pre-commit-check) shellHook;
-        packages = with pkgs; [
-          nodePackages.markdownlint-cli
-          alejandra
-          deadnix
-          clang-tools
-        ];
-
-        inputsFrom = [self.packages.${system}.default];
-        buildInputs = with pkgs; [ccache ninja];
-      };
-    })
-    // {
-      overlays.default = final: _: (packagesFn final);
-    };
 }

launcher/Application.cpp

@@ -376,33 +376,33 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
 
     // init the logger
     {
-        static const QString logBase = BuildConfig.LAUNCHER_NAME + "-%0.log";
+        static const QString baseLogFile = BuildConfig.LAUNCHER_NAME + "-%0.log";
-        auto moveFile = [](const QString &oldName, const QString &newName)
+        static const QString logBase = FS::PathCombine("logs", baseLogFile);
-        {
+        auto moveFile = [](const QString& oldName, const QString& newName) {
             QFile::remove(newName);
             QFile::copy(oldName, newName);
             QFile::remove(oldName);
         };
+        if (FS::ensureFolderPathExists("logs")) {  // if this did not fail
+            for (auto i = 0; i <= 4; i++)
+                if (auto oldName = baseLogFile.arg(i);
+                    QFile::exists(oldName))  // do not pointlessly delete new files if the old ones are not there
+                    moveFile(oldName, logBase.arg(i));
+        }
 
-        moveFile(logBase.arg(3), logBase.arg(4));
+        for (auto i = 4; i > 0; i--)
-        moveFile(logBase.arg(2), logBase.arg(3));
+            moveFile(logBase.arg(i - 1), logBase.arg(i));
-        moveFile(logBase.arg(1), logBase.arg(2));
-        moveFile(logBase.arg(0), logBase.arg(1));
 
         logFile = std::unique_ptr<QFile>(new QFile(logBase.arg(0)));
-        if(!logFile->open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
+        if (!logFile->open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
-        {
+            showFatalErrorMessage("The launcher data folder is not writable!",
-            showFatalErrorMessage(
+                                  QString("The launcher couldn't create a log file - the data folder is not writable.\n"
-                "The launcher data folder is not writable!",
+                                          "\n"
-                QString(
+                                          "Make sure you have write permissions to the data folder.\n"
-                    "The launcher couldn't create a log file - the data folder is not writable.\n"
+                                          "(%1)\n"
-                    "\n"
+                                          "\n"
-                    "Make sure you have write permissions to the data folder.\n"
+                                          "The launcher cannot continue until you fix this problem.")
-                    "(%1)\n"
+                                      .arg(dataPath));
-                    "\n"
-                    "The launcher cannot continue until you fix this problem."
-                ).arg(dataPath)
-            );
             return;
         }
         qInstallMessageHandler(appDebugOutput);
@@ -594,7 +594,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
 
         // Java Settings
         m_settings->registerSetting("JavaPath", "");
-        m_settings->registerSetting("JavaTimestamp", 0);
+        m_settings->registerSetting("JavaSignature", "");
         m_settings->registerSetting("JavaArchitecture", "");
         m_settings->registerSetting("JavaRealArchitecture", "");
         m_settings->registerSetting("JavaVersion", "");
@@ -1699,6 +1699,7 @@ bool Application::handleDataMigration(const QString& currentData,
         matcher->add(std::make_shared<SimplePrefixMatcher>(configFile));
         matcher->add(std::make_shared<SimplePrefixMatcher>(
             BuildConfig.LAUNCHER_CONFIGFILE));  // it's possible that we already used that directory before
+        matcher->add(std::make_shared<SimplePrefixMatcher>("logs/"));
         matcher->add(std::make_shared<SimplePrefixMatcher>("accounts.json"));
         matcher->add(std::make_shared<SimplePrefixMatcher>("accounts/"));
         matcher->add(std::make_shared<SimplePrefixMatcher>("assets/"));

launcher/CMakeLists.txt

@@ -362,6 +362,8 @@ set(MINECRAFT_SOURCES
     minecraft/mod/tasks/LocalWorldSaveParseTask.cpp
     minecraft/mod/tasks/LocalResourceParse.h
     minecraft/mod/tasks/LocalResourceParse.cpp
+    minecraft/mod/tasks/GetModDependenciesTask.h
+    minecraft/mod/tasks/GetModDependenciesTask.cpp
 
     # Assets
     minecraft/AssetsUtils.h
@@ -375,8 +377,6 @@ set(MINECRAFT_SOURCES
     minecraft/services/SkinDelete.cpp
     minecraft/services/SkinDelete.h
 
-    mojang/PackageManifest.h
-    mojang/PackageManifest.cpp
     minecraft/Agent.h)
 
 # the screenshots feature
@@ -525,6 +525,8 @@ set(MODRINTH_SOURCES
     modplatform/modrinth/ModrinthCheckUpdate.h
     modplatform/modrinth/ModrinthInstanceCreationTask.cpp
     modplatform/modrinth/ModrinthInstanceCreationTask.h
+    modplatform/modrinth/ModrinthPackExportTask.cpp
+    modplatform/modrinth/ModrinthPackExportTask.h
 )
 
 set(PACKWIZ_SOURCES
@@ -680,6 +682,7 @@ SET(LAUNCHER_SOURCES
     VersionProxyModel.h
     VersionProxyModel.cpp
     Markdown.h
+    Markdown.cpp
 
     # Super secret!
     KonamiCode.h
@@ -720,6 +723,10 @@ SET(LAUNCHER_SOURCES
     # FIXME: maybe find a better home for this.
     SkinUtils.cpp
     SkinUtils.h
+    FileIgnoreProxy.cpp
+    FileIgnoreProxy.h
+    FastFileIconProvider.cpp
+    FastFileIconProvider.h
 
     # GUI - setup wizard
     ui/setupwizard/SetupWizard.h
@@ -819,8 +826,8 @@ SET(LAUNCHER_SOURCES
     ui/pages/global/APIPage.h
 
     # GUI - platform pages
-    ui/pages/modplatform/VanillaPage.cpp
+    ui/pages/modplatform/CustomPage.cpp
-    ui/pages/modplatform/VanillaPage.h
+    ui/pages/modplatform/CustomPage.h
 
     ui/pages/modplatform/ResourcePage.cpp
     ui/pages/modplatform/ResourcePage.h
@@ -900,6 +907,8 @@ SET(LAUNCHER_SOURCES
     ui/dialogs/EditAccountDialog.h
     ui/dialogs/ExportInstanceDialog.cpp
     ui/dialogs/ExportInstanceDialog.h
+    ui/dialogs/ExportMrPackDialog.cpp
+    ui/dialogs/ExportMrPackDialog.h
     ui/dialogs/IconPickerDialog.cpp
     ui/dialogs/IconPickerDialog.h
     ui/dialogs/ImportResourceDialog.cpp
@@ -1024,7 +1033,7 @@ qt_wrap_ui(LAUNCHER_UI
     ui/pages/instance/ScreenshotsPage.ui
     ui/pages/modplatform/atlauncher/AtlOptionalModDialog.ui
     ui/pages/modplatform/atlauncher/AtlPage.ui
-    ui/pages/modplatform/VanillaPage.ui
+    ui/pages/modplatform/CustomPage.ui
     ui/pages/modplatform/ResourcePage.ui
     ui/pages/modplatform/flame/FlamePage.ui
     ui/pages/modplatform/legacy_ftb/Page.ui
@@ -1046,6 +1055,7 @@ qt_wrap_ui(LAUNCHER_UI
     ui/dialogs/ProfileSelectDialog.ui
     ui/dialogs/SkinUploadDialog.ui
     ui/dialogs/ExportInstanceDialog.ui
+    ui/dialogs/ExportMrPackDialog.ui
     ui/dialogs/IconPickerDialog.ui
     ui/dialogs/ImportResourceDialog.ui
     ui/dialogs/MSALoginDialog.ui

launcher/FastFileIconProvider.cpp

@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "FastFileIconProvider.h"
+
+#include <QApplication>
+#include <QStyle>
+
+QIcon FastFileIconProvider::icon(const QFileInfo& info) const
+{
+#if QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
+    bool link = info.isSymbolicLink() || info.isAlias() || info.isShortcut();
+#else
+    // in versions prior to 6.4 we don't have access to isAlias
+    bool link = info.isSymLink();
+#endif
+    QStyle::StandardPixmap icon;
+
+    if (info.isDir()) {
+        if (link)
+            icon = QStyle::SP_DirLinkIcon;
+        else
+            icon = QStyle::SP_DirIcon;
+    } else {
+        if (link)
+            icon = QStyle::SP_FileLinkIcon;
+        else
+            icon = QStyle::SP_FileIcon;
+    }
+
+    return QApplication::style()->standardIcon(icon);
+}

launcher/FastFileIconProvider.h

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFileIconProvider>
+
+class FastFileIconProvider : public QFileIconProvider {
+   public:
+    QIcon icon(const QFileInfo& info) const override;
+};

launcher/FileIgnoreProxy.cpp

@@ -0,0 +1,279 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ */
+
+#include "FileIgnoreProxy.h"
+
+#include <QDebug>
+#include <QFileSystemModel>
+#include <QSortFilterProxyModel>
+#include <QStack>
+#include <algorithm>
+#include "FileSystem.h"
+#include "SeparatorPrefixTree.h"
+#include "StringUtils.h"
+
+FileIgnoreProxy::FileIgnoreProxy(QString root, QObject* parent) : QSortFilterProxyModel(parent), root(root) {}
+// NOTE: Sadly, we have to do sorting ourselves.
+bool FileIgnoreProxy::lessThan(const QModelIndex& left, const QModelIndex& right) const
+{
+    QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+    if (!fsm) {
+        return QSortFilterProxyModel::lessThan(left, right);
+    }
+    bool asc = sortOrder() == Qt::AscendingOrder ? true : false;
+
+    QFileInfo leftFileInfo = fsm->fileInfo(left);
+    QFileInfo rightFileInfo = fsm->fileInfo(right);
+
+    if (!leftFileInfo.isDir() && rightFileInfo.isDir()) {
+        return !asc;
+    }
+    if (leftFileInfo.isDir() && !rightFileInfo.isDir()) {
+        return asc;
+    }
+
+    // sort and proxy model breaks the original model...
+    if (sortColumn() == 0) {
+        return StringUtils::naturalCompare(leftFileInfo.fileName(), rightFileInfo.fileName(), Qt::CaseInsensitive) < 0;
+    }
+    if (sortColumn() == 1) {
+        auto leftSize = leftFileInfo.size();
+        auto rightSize = rightFileInfo.size();
+        if ((leftSize == rightSize) || (leftFileInfo.isDir() && rightFileInfo.isDir())) {
+            return StringUtils::naturalCompare(leftFileInfo.fileName(), rightFileInfo.fileName(), Qt::CaseInsensitive) < 0 ? asc : !asc;
+        }
+        return leftSize < rightSize;
+    }
+    return QSortFilterProxyModel::lessThan(left, right);
+}
+
+Qt::ItemFlags FileIgnoreProxy::flags(const QModelIndex& index) const
+{
+    if (!index.isValid())
+        return Qt::NoItemFlags;
+
+    auto sourceIndex = mapToSource(index);
+    Qt::ItemFlags flags = sourceIndex.flags();
+    if (index.column() == 0) {
+        flags |= Qt::ItemIsUserCheckable;
+        if (sourceIndex.model()->hasChildren(sourceIndex)) {
+            flags |= Qt::ItemIsAutoTristate;
+        }
+    }
+
+    return flags;
+}
+
+QVariant FileIgnoreProxy::data(const QModelIndex& index, int role) const
+{
+    QModelIndex sourceIndex = mapToSource(index);
+
+    if (index.column() == 0 && role == Qt::CheckStateRole) {
+        QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+        auto blockedPath = relPath(fsm->filePath(sourceIndex));
+        auto cover = blocked.cover(blockedPath);
+        if (!cover.isNull()) {
+            return QVariant(Qt::Unchecked);
+        } else if (blocked.exists(blockedPath)) {
+            return QVariant(Qt::PartiallyChecked);
+        } else {
+            return QVariant(Qt::Checked);
+        }
+    }
+
+    return sourceIndex.data(role);
+}
+
+bool FileIgnoreProxy::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+    if (index.column() == 0 && role == Qt::CheckStateRole) {
+        Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
+        return setFilterState(index, state);
+    }
+
+    QModelIndex sourceIndex = mapToSource(index);
+    return QSortFilterProxyModel::sourceModel()->setData(sourceIndex, value, role);
+}
+
+QString FileIgnoreProxy::relPath(const QString& path) const
+{
+    return QDir(root).relativeFilePath(path);
+}
+
+bool FileIgnoreProxy::setFilterState(QModelIndex index, Qt::CheckState state)
+{
+    QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+
+    if (!fsm) {
+        return false;
+    }
+
+    QModelIndex sourceIndex = mapToSource(index);
+    auto blockedPath = relPath(fsm->filePath(sourceIndex));
+    bool changed = false;
+    if (state == Qt::Unchecked) {
+        // blocking a path
+        auto& node = blocked.insert(blockedPath);
+        // get rid of all blocked nodes below
+        node.clear();
+        changed = true;
+    } else if (state == Qt::Checked || state == Qt::PartiallyChecked) {
+        if (!blocked.remove(blockedPath)) {
+            auto cover = blocked.cover(blockedPath);
+            qDebug() << "Blocked by cover" << cover;
+            // uncover
+            blocked.remove(cover);
+            // block all contents, except for any cover
+            QModelIndex rootIndex = fsm->index(FS::PathCombine(root, cover));
+            QModelIndex doing = rootIndex;
+            int row = 0;
+            QStack<QModelIndex> todo;
+            while (1) {
+                auto node = fsm->index(row, 0, doing);
+                if (!node.isValid()) {
+                    if (!todo.size()) {
+                        break;
+                    } else {
+                        doing = todo.pop();
+                        row = 0;
+                        continue;
+                    }
+                }
+                auto relpath = relPath(fsm->filePath(node));
+                if (blockedPath.startsWith(relpath))  // cover found?
+                {
+                    // continue processing cover later
+                    todo.push(node);
+                } else {
+                    // or just block this one.
+                    blocked.insert(relpath);
+                }
+                row++;
+            }
+        }
+        changed = true;
+    }
+    if (changed) {
+        // update the thing
+        emit dataChanged(index, index, { Qt::CheckStateRole });
+        // update everything above index
+        QModelIndex up = index.parent();
+        while (1) {
+            if (!up.isValid())
+                break;
+            emit dataChanged(up, up, { Qt::CheckStateRole });
+            up = up.parent();
+        }
+        // and everything below the index
+        QModelIndex doing = index;
+        int row = 0;
+        QStack<QModelIndex> todo;
+        while (1) {
+            auto node = this->index(row, 0, doing);
+            if (!node.isValid()) {
+                if (!todo.size()) {
+                    break;
+                } else {
+                    doing = todo.pop();
+                    row = 0;
+                    continue;
+                }
+            }
+            emit dataChanged(node, node, { Qt::CheckStateRole });
+            todo.push(node);
+            row++;
+        }
+        // siblings and unrelated nodes are ignored
+    }
+    return true;
+}
+
+bool FileIgnoreProxy::shouldExpand(QModelIndex index)
+{
+    QModelIndex sourceIndex = mapToSource(index);
+    QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+    if (!fsm) {
+        return false;
+    }
+    auto blockedPath = relPath(fsm->filePath(sourceIndex));
+    auto found = blocked.find(blockedPath);
+    if (found) {
+        return !found->leaf();
+    }
+    return false;
+}
+
+void FileIgnoreProxy::setBlockedPaths(QStringList paths)
+{
+    beginResetModel();
+    blocked.clear();
+    blocked.insert(paths);
+    endResetModel();
+}
+
+bool FileIgnoreProxy::filterAcceptsColumn(int source_column, const QModelIndex& source_parent) const
+{
+    Q_UNUSED(source_parent)
+
+    // adjust the columns you want to filter out here
+    // return false for those that will be hidden
+    if (source_column == 2 || source_column == 3)
+        return false;
+
+    return true;
+}
+
+bool FileIgnoreProxy::filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const
+{
+    QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
+    QFileSystemModel* fsm = qobject_cast<QFileSystemModel*>(sourceModel());
+
+    auto fileInfo = fsm->fileInfo(index);
+    return !ignoreFile(fileInfo);
+}
+
+bool FileIgnoreProxy::ignoreFile(QFileInfo fileInfo) const
+{
+    auto fileName = fileInfo.fileName();
+    auto path = relPath(fileInfo.absoluteFilePath());
+    return std::any_of(m_ignoreFiles.cbegin(), m_ignoreFiles.cend(), [fileName](auto iFileName) { return fileName == iFileName; }) ||
+           m_ignoreFilePaths.covers(path);
+}
+
+bool FileIgnoreProxy::filterFile(const QString& fileName) const
+{
+    return blocked.covers(fileName) || ignoreFile(QFileInfo(QDir(root), fileName));
+}

launcher/FileIgnoreProxy.h

@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ */
+
+#pragma once
+
+#include <QFileInfo>
+#include <QSortFilterProxyModel>
+#include "SeparatorPrefixTree.h"
+
+class FileIgnoreProxy : public QSortFilterProxyModel {
+    Q_OBJECT
+
+   public:
+    FileIgnoreProxy(QString root, QObject* parent);
+    // NOTE: Sadly, we have to do sorting ourselves.
+    bool lessThan(const QModelIndex& left, const QModelIndex& right) const;
+
+    virtual Qt::ItemFlags flags(const QModelIndex& index) const;
+
+    virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
+    virtual bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
+
+    QString relPath(const QString& path) const;
+
+    bool setFilterState(QModelIndex index, Qt::CheckState state);
+
+    bool shouldExpand(QModelIndex index);
+
+    void setBlockedPaths(QStringList paths);
+
+    inline const SeparatorPrefixTree<'/'>& blockedPaths() const { return blocked; }
+    inline SeparatorPrefixTree<'/'>& blockedPaths() { return blocked; }
+
+    // list of file names that need to be removed completely from model
+    inline QStringList& ignoreFilesWithName() { return m_ignoreFiles; }
+    // list of relative paths that need to be removed completely from model
+    inline SeparatorPrefixTree<'/'>& ignoreFilesWithPath() { return m_ignoreFilePaths; }
+
+    bool filterFile(const QString& fileName) const;
+
+   protected:
+    bool filterAcceptsColumn(int source_column, const QModelIndex& source_parent) const;
+    bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const;
+
+    bool ignoreFile(QFileInfo file) const;
+
+   private:
+    const QString root;
+    SeparatorPrefixTree<'/'> blocked;
+    QStringList m_ignoreFiles;
+    SeparatorPrefixTree<'/'> m_ignoreFilePaths;
+};

launcher/FileSystem.cpp

@@ -102,7 +102,7 @@ namespace fs = ghc::filesystem;
 #include <linux/fs.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
-#elif defined(Q_OS_MACOS) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
+#elif defined(Q_OS_MACOS) || defined(Q_OS_OPENBSD)
 #include <sys/attr.h>
 #include <sys/clonefile.h>
 #elif defined(Q_OS_WIN)
@@ -372,7 +372,7 @@ void create_link::make_link_list(const QString& offset)
                 auto src_path = source_it.next();
                 auto relative_path = src_dir.relativeFilePath(src_path);
 
-                if (m_max_depth >= 0 && pathDepth(relative_path) > m_max_depth){
+                if (m_max_depth >= 0 && pathDepth(relative_path) > m_max_depth) {
                     relative_path = pathTruncate(relative_path, m_max_depth);
                     src_path = src_dir.filePath(relative_path);
                     if (linkedPaths.contains(src_path)) {
@@ -663,7 +663,7 @@ QString pathTruncate(const QString& path, int depth)
 
     QString trunc = QFileInfo(path).path();
 
-    if (pathDepth(trunc) > depth ) {
+    if (pathDepth(trunc) > depth) {
         return pathTruncate(trunc, depth);
     }
 
@@ -769,6 +769,9 @@ QString getDesktopDir()
 // Cross-platform Shortcut creation
 bool createShortcut(QString destination, QString target, QStringList args, QString name, QString icon)
 {
+    if (destination.isEmpty()) {
+        destination = PathCombine(getDesktopDir(), RemoveInvalidFilenameChars(name));
+    }
 #if defined(Q_OS_MACOS)
     destination += ".command";
 
@@ -791,6 +794,8 @@ bool createShortcut(QString destination, QString target, QStringList args, QStri
 
     return true;
 #elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
+    if (!destination.endsWith(".desktop"))  // in case of isFlatpak destination is already populated
+        destination += ".desktop";
     QFile f(destination);
     f.open(QIODevice::WriteOnly | QIODevice::Text);
     QTextStream stream(&f);
@@ -974,7 +979,7 @@ FilesystemType getFilesystemType(const QString& name)
 {
     for (auto iter = s_filesystem_type_names.constBegin(); iter != s_filesystem_type_names.constEnd(); ++iter) {
         auto fs_names = iter.value();
-        if(fs_names.contains(name.toUpper())) 
+        if (fs_names.contains(name.toUpper()))
             return iter.key();
     }
     return FilesystemType::UNKNOWN;
@@ -1151,7 +1156,7 @@ bool clone_file(const QString& src, const QString& dst, std::error_code& ec)
         return false;
     }
 
-#elif defined(Q_OS_MACOS) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
+#elif defined(Q_OS_MACOS) || defined(Q_OS_OPENBSD)
 
     if (!macos_bsd_clonefile(src_path, dst_path, ec)) {
         qDebug() << "failed macos_bsd_clonefile:";
@@ -1380,7 +1385,7 @@ bool linux_ficlone(const std::string& src_path, const std::string& dst_path, std
     return true;
 }
 
-#elif defined(Q_OS_MACOS) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
+#elif defined(Q_OS_MACOS) || defined(Q_OS_OPENBSD)
 
 bool macos_bsd_clonefile(const std::string& src_path, const std::string& dst_path, std::error_code& ec)
 {

launcher/InstanceCopyTask.cpp

@@ -39,7 +39,16 @@ void InstanceCopyTask::executeTask()
     setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
 
     auto copySaves = [&]() {
-        FS::copy savesCopy(FS::PathCombine(m_origInstance->instanceRoot(), "saves"), FS::PathCombine(m_stagingPath, "saves"));
+        QFileInfo mcDir(FS::PathCombine(m_stagingPath, "minecraft"));
+        QFileInfo dotMCDir(FS::PathCombine(m_stagingPath, ".minecraft"));
+
+        QString staging_mc_dir;
+        if (mcDir.exists() && !dotMCDir.exists())
+            staging_mc_dir = mcDir.filePath();
+        else
+            staging_mc_dir = dotMCDir.filePath();
+
+        FS::copy savesCopy(FS::PathCombine(m_origInstance->gameRoot(), "saves"), FS::PathCombine(staging_mc_dir, "saves"));
         savesCopy.followSymlinks(true);
 
         return savesCopy();
@@ -123,6 +132,7 @@ void InstanceCopyTask::copyFinished()
         emitFailed(tr("Instance folder copy failed."));
         return;
     }
+
     // FIXME: shouldn't this be able to report errors?
     auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
 
@@ -134,6 +144,24 @@ void InstanceCopyTask::copyFinished()
     }
     if (m_useLinks)
         inst->addLinkedInstanceId(m_origInstance->id());
+    if (m_useLinks) {
+        auto allowed_symlinks_file = QFileInfo(FS::PathCombine(inst->gameRoot(), "allowed_symlinks.txt"));
+
+        QByteArray allowed_symlinks;
+        if (allowed_symlinks_file.exists()) {
+            allowed_symlinks.append(FS::read(allowed_symlinks_file.filePath()));
+            if (allowed_symlinks.right(1) != "\n")
+                allowed_symlinks.append("\n");  // we want to be on a new line
+        }
+        allowed_symlinks.append(m_origInstance->gameRoot().toUtf8());
+        allowed_symlinks.append("\n");
+        if (allowed_symlinks_file.isSymLink())
+            FS::deletePath(allowed_symlinks_file
+                               .filePath());  // we dont want to modify the original. also make sure the resulting file is not itself a link.
+
+        FS::write(allowed_symlinks_file.filePath(), allowed_symlinks);
+    }
+
     emitSucceeded();
 }
 

launcher/InstanceTask.cpp

@@ -45,7 +45,10 @@ QString InstanceName::name() const
 {
     if (!m_modified_name.isEmpty())
         return modifiedName();
-    return QString("%1 %2").arg(m_original_name, m_original_version);
+    if (!m_original_version.isEmpty())
+        return QString("%1 %2").arg(m_original_name, m_original_version);
+
+    return m_original_name;
 }
 
 QString InstanceName::originalName() const

launcher/MTPixmapCache.h

@@ -3,6 +3,8 @@
 #include <QCoreApplication>
 #include <QPixmapCache>
 #include <QThread>
+#include <QTime>
+#include <QDebug>
 
 #define GET_TYPE()                                                          \
     Qt::ConnectionType type;                                                \
@@ -60,6 +62,8 @@ class PixmapCache final : public QObject {
     DEFINE_FUNC_ONE_PARAM(remove, bool, const QPixmapCache::Key&)
     DEFINE_FUNC_TWO_PARAM(replace, bool, const QPixmapCache::Key&, const QPixmap&)
     DEFINE_FUNC_ONE_PARAM(setCacheLimit, bool, int)
+    DEFINE_FUNC_NO_PARAM(markCacheMissByEviciton, bool)
+    DEFINE_FUNC_ONE_PARAM(setFastEvictionThreshold, bool, int)
 
     // NOTE: Every function returns something non-void to simplify the macros.
    private slots:
@@ -90,6 +94,43 @@ class PixmapCache final : public QObject {
         return true;
     }
 
+    /** 
+     *  Mark that a cache miss occurred because of a eviction if too many of these occur too fast the cache size is increased 
+     * @return if the cache size was increased
+     */
+    bool _markCacheMissByEviciton()
+    {
+        auto now = QTime::currentTime();
+        if (!m_last_cache_miss_by_eviciton.isNull()) {
+            auto diff = m_last_cache_miss_by_eviciton.msecsTo(now);
+            if (diff < 1000) {  // less than a second ago
+                ++m_consecutive_fast_evicitons;
+            } else {
+                m_consecutive_fast_evicitons = 0;
+            }
+        }
+        m_last_cache_miss_by_eviciton = now;
+        if (m_consecutive_fast_evicitons >= m_consecutive_fast_evicitons_threshold) {
+            // double the cache size
+            auto newSize = _cacheLimit() * 2;
+            qDebug() << m_consecutive_fast_evicitons << "pixmap cache misses by eviction happened too fast, doubling cache size to"
+                     << newSize;
+            _setCacheLimit(newSize);
+            m_consecutive_fast_evicitons = 0;
+            return true;
+        }
+        return false;
+    }
+
+    bool _setFastEvictionThreshold(int threshold)
+    {
+        m_consecutive_fast_evicitons_threshold = threshold;
+        return true;
+    }
+
    private:
     static PixmapCache* s_instance;
+    QTime m_last_cache_miss_by_eviciton;
+    int m_consecutive_fast_evicitons = 0;
+    int m_consecutive_fast_evicitons_threshold = 15;
 };

launcher/Markdown.cpp

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 Joshua Goins <josh@redstrate.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "Markdown.h"
+
+QString markdownToHTML(const QString& markdown)
+{
+    const QByteArray markdownData = markdown.toUtf8();
+    char* buffer = cmark_markdown_to_html(markdownData.constData(), markdownData.length(), CMARK_OPT_NOBREAKS | CMARK_OPT_UNSAFE);
+
+    QString htmlStr(buffer);
+
+    free(buffer);
+
+    return htmlStr;
+}

launcher/Markdown.h

@@ -21,14 +21,4 @@
 #include <QString>
 #include <cmark.h>
 
-static QString markdownToHTML(const QString& markdown)
+QString markdownToHTML(const QString& markdown);
-{
-    const QByteArray markdownData = markdown.toUtf8();
-    char* buffer = cmark_markdown_to_html(markdownData.constData(), markdownData.length(), CMARK_OPT_NOBREAKS | CMARK_OPT_UNSAFE);
-
-    QString htmlStr(buffer);
-
-    free(buffer);
-
-    return htmlStr;
-}

launcher/ResourceDownloadTask.cpp

@@ -1,21 +1,21 @@
 // SPDX-License-Identifier: GPL-3.0-only
-/* 
+/*
-*  Prism Launcher - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
-*  Copyright (c) 2022-2023 flowln <flowlnlnln@gmail.com>
+ *  Copyright (c) 2022-2023 flowln <flowlnlnln@gmail.com>
-*  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
-*
+ *
-*  This program is free software: you can redistribute it and/or modify
+ *  This program is free software: you can redistribute it and/or modify
-*  it under the terms of the GNU General Public License as published by
+ *  it under the terms of the GNU General Public License as published by
-*  the Free Software Foundation, version 3.
+ *  the Free Software Foundation, version 3.
-*
+ *
-*  This program is distributed in the hope that it will be useful,
+ *  This program is distributed in the hope that it will be useful,
-*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*  GNU General Public License for more details.
+ *  GNU General Public License for more details.
-* 
+ *
-*  You should have received a copy of the GNU General Public License
+ *  You should have received a copy of the GNU General Public License
-*  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
+ */
 
 #include "ResourceDownloadTask.h"
 
@@ -24,14 +24,15 @@
 #include "minecraft/mod/ModFolderModel.h"
 #include "minecraft/mod/ResourceFolderModel.h"
 
-ResourceDownloadTask::ResourceDownloadTask(ModPlatform::IndexedPack pack,
+ResourceDownloadTask::ResourceDownloadTask(ModPlatform::IndexedPack::Ptr pack,
                                            ModPlatform::IndexedVersion version,
                                            const std::shared_ptr<ResourceFolderModel> packs,
-                                           bool is_indexed)
+                                           bool is_indexed,
-    : m_pack(std::move(pack)), m_pack_version(std::move(version)), m_pack_model(packs)
+                                           QString custom_target_folder)
+    : m_pack(std::move(pack)), m_pack_version(std::move(version)), m_pack_model(packs), m_custom_target_folder(custom_target_folder)
 {
     if (auto model = dynamic_cast<ModFolderModel*>(m_pack_model.get()); model && is_indexed) {
-        m_update_task.reset(new LocalModUpdateTask(model->indexDir(), m_pack, m_pack_version));
+        m_update_task.reset(new LocalModUpdateTask(model->indexDir(), *m_pack, m_pack_version));
         connect(m_update_task.get(), &LocalModUpdateTask::hasOldMod, this, &ResourceDownloadTask::hasOldResource);
 
         addTask(m_update_task);
@@ -40,13 +41,13 @@ ResourceDownloadTask::ResourceDownloadTask(ModPlatform::IndexedPack pack,
     m_filesNetJob.reset(new NetJob(tr("Resource download"), APPLICATION->network()));
     m_filesNetJob->setStatus(tr("Downloading resource:\n%1").arg(m_pack_version.downloadUrl));
 
-    QDir dir { m_pack_model->dir() };
+    QDir dir{ m_pack_model->dir() };
     {
         // FIXME: Make this more generic. May require adding additional info to IndexedVersion,
         //        or adquiring a reference to the base instance.
-        if (!m_pack_version.custom_target_folder.isEmpty()) {
+        if (!m_custom_target_folder.isEmpty()) {
             dir.cdUp();
-            dir.cd(m_pack_version.custom_target_folder);
+            dir.cd(m_custom_target_folder);
         }
     }
 

launcher/ResourceDownloadTask.h

@@ -1,44 +1,53 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
-*  Prism Launcher - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
-*  Copyright (c) 2022-2023 flowln <flowlnlnln@gmail.com>
+ *  Copyright (c) 2022-2023 flowln <flowlnlnln@gmail.com>
-*  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
-*
+ *
-*  This program is free software: you can redistribute it and/or modify
+ *  This program is free software: you can redistribute it and/or modify
-*  it under the terms of the GNU General Public License as published by
+ *  it under the terms of the GNU General Public License as published by
-*  the Free Software Foundation, version 3.
+ *  the Free Software Foundation, version 3.
-*
+ *
-*  This program is distributed in the hope that it will be useful,
+ *  This program is distributed in the hope that it will be useful,
-*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*  GNU General Public License for more details.
+ *  GNU General Public License for more details.
-*
+ *
-*  You should have received a copy of the GNU General Public License
+ *  You should have received a copy of the GNU General Public License
-*  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
+ */
 
 #pragma once
 
 #include "net/NetJob.h"
 #include "tasks/SequentialTask.h"
 
-#include "modplatform/ModIndex.h"
 #include "minecraft/mod/tasks/LocalModUpdateTask.h"
+#include "modplatform/ModIndex.h"
 
 class ResourceFolderModel;
 
 class ResourceDownloadTask : public SequentialTask {
     Q_OBJECT
-public:
+   public:
-    explicit ResourceDownloadTask(ModPlatform::IndexedPack pack, ModPlatform::IndexedVersion version, const std::shared_ptr<ResourceFolderModel> packs, bool is_indexed = true);
+    explicit ResourceDownloadTask(ModPlatform::IndexedPack::Ptr pack,
+                                  ModPlatform::IndexedVersion version,
+                                  const std::shared_ptr<ResourceFolderModel> packs,
+                                  bool is_indexed = true,
+                                  QString custom_target_folder = {});
     const QString& getFilename() const { return m_pack_version.fileName; }
-    const QString& getCustomPath() const { return m_pack_version.custom_target_folder; }
+    const QString& getCustomPath() const { return m_custom_target_folder; }
     const QVariant& getVersionID() const { return m_pack_version.fileId; }
+    const ModPlatform::IndexedVersion& getVersion() const { return m_pack_version; }
+    const ModPlatform::ResourceProvider& getProvider() const { return m_pack->provider; }
+    const QString& getName() const { return m_pack->name; }
+    ModPlatform::IndexedPack::Ptr getPack() { return m_pack; }
 
-private:
+   private:
-    ModPlatform::IndexedPack m_pack;
+    ModPlatform::IndexedPack::Ptr m_pack;
     ModPlatform::IndexedVersion m_pack_version;
     const std::shared_ptr<ResourceFolderModel> m_pack_model;
+    QString m_custom_target_folder;
 
     NetJob::Ptr m_filesNetJob;
     LocalModUpdateTask::Ptr m_update_task;
@@ -47,11 +56,8 @@ private:
     void downloadFailed(QString reason);
     void downloadSucceeded();
 
-    std::tuple<QString, QString> to_delete {"", ""};
+    std::tuple<QString, QString> to_delete{ "", "" };
 
-private slots:
+   private slots:
     void hasOldResource(QString name, QString filename);
 };
-
-
-

launcher/VersionProxyModel.cpp

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -54,9 +55,14 @@ public:
     bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
     {
         const auto &filters = m_parent->filters();
+        const QString &search = m_parent->search();
+        const QModelIndex idx = sourceModel()->index(source_row, 0, source_parent);
+
+        if (!search.isEmpty() && !sourceModel()->data(idx, BaseVersionList::VersionRole).toString().contains(search, Qt::CaseInsensitive))
+            return false;
+
         for (auto it = filters.begin(); it != filters.end(); ++it)
         {
-            auto idx = sourceModel()->index(source_row, 0, source_parent);
             auto data = sourceModel()->data(idx, it.key());
             auto match = data.toString();
             if(!it.value()->accepts(match))
@@ -206,10 +212,6 @@ QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
                                 return tr("Latest");
                             }
                         }
-                        else if(index.row() == 0)
-                        {
-                            return tr("Latest");
-                        }
                     }
                 }
                 default:
@@ -239,10 +241,6 @@ QVariant VersionProxyModel::data(const QModelIndex &index, int role) const
                                 return APPLICATION->getThemedIcon("bug");
                             }
                         }
-                        else if(index.row() == 0)
-                        {
-                            return APPLICATION->getThemedIcon("bug");
-                        }
                         QPixmap pixmap;
                         QPixmapCache::find("placeholder", &pixmap);
                         if(!pixmap)
@@ -431,6 +429,7 @@ QModelIndex VersionProxyModel::getVersion(const QString& version) const
 void VersionProxyModel::clearFilters()
 {
     m_filters.clear();
+    m_search.clear();
     filterModel->filterChanged();
 }
 
@@ -440,11 +439,21 @@ void VersionProxyModel::setFilter(const BaseVersionList::ModelRoles column, Filt
     filterModel->filterChanged();
 }
 
+void VersionProxyModel::setSearch(const QString &search) {
+    m_search = search;
+    filterModel->filterChanged();
+}
+
 const VersionProxyModel::FilterMap &VersionProxyModel::filters() const
 {
     return m_filters;
 }
 
+const QString &VersionProxyModel::search() const
+{
+    return m_search;
+}
+
 void VersionProxyModel::sourceAboutToBeReset()
 {
     beginResetModel();

launcher/VersionProxyModel.h

@@ -38,7 +38,9 @@ public:
     virtual void setSourceModel(QAbstractItemModel *sourceModel) override;
 
     const FilterMap &filters() const;
+    const QString &search() const;
     void setFilter(const BaseVersionList::ModelRoles column, Filter * filter);
+    void setSearch(const QString &search);
     void clearFilters();
     QModelIndex getRecommended() const;
     QModelIndex getVersion(const QString & version) const;
@@ -59,6 +61,7 @@ private slots:
 private:
     QList<Column> m_columns;
     FilterMap m_filters;
+    QString m_search;
     BaseVersionList::RoleList roles;
     VersionFilterModel * filterModel;
     bool hasRecommended = false;

launcher/java/JavaChecker.cpp

@@ -85,7 +85,7 @@ void JavaChecker::performCheck()
     process->setProgram(m_path);
     process->setProcessChannelMode(QProcess::SeparateChannels);
     process->setProcessEnvironment(CleanEnviroment());
-    qDebug() << "Running java checker: " + m_path + args.join(" ");;
+    qDebug() << "Running java checker:" << m_path << args.join(" ");
 
     connect(process.get(), QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &JavaChecker::finished);
     connect(process.get(), &QProcess::errorOccurred, this, &JavaChecker::error);
@@ -128,7 +128,7 @@ void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
     result.outLog = m_stdout;
     qDebug() << "STDOUT" << m_stdout;
     qWarning() << "STDERR" << m_stderr;
-    qDebug() << "Java checker finished with status " << status << " exit code " << exitcode;
+    qDebug() << "Java checker finished with status" << status << "exit code" << exitcode;
 
     if (status == QProcess::CrashExit || exitcode == 1)
     {

launcher/java/JavaInstallList.cpp

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -98,6 +99,8 @@ QVariant JavaInstallList::data(const QModelIndex &index, int role) const
     auto version = std::dynamic_pointer_cast<JavaInstall>(m_vlist[index.row()]);
     switch (role)
     {
+        case SortRole:
+            return -index.row();
         case VersionPointerRole:
             return QVariant::fromValue(m_vlist[index.row()]);
         case VersionIdRole:

launcher/launch/steps/CheckJava.cpp

@@ -81,15 +81,20 @@ void CheckJava::executeTask()
     }
 
     QFileInfo javaInfo(realJavaPath);
-    qlonglong javaUnixTime = javaInfo.lastModified().toMSecsSinceEpoch();
+    qint64 javaUnixTime = javaInfo.lastModified().toMSecsSinceEpoch();
-    auto storedUnixTime = settings->get("JavaTimestamp").toLongLong();
+    auto storedSignature = settings->get("JavaSignature").toString();
     auto storedArchitecture = settings->get("JavaArchitecture").toString();
     auto storedRealArchitecture = settings->get("JavaRealArchitecture").toString();
     auto storedVersion = settings->get("JavaVersion").toString();
     auto storedVendor = settings->get("JavaVendor").toString();
-    m_javaUnixTime = javaUnixTime;
+
+    QCryptographicHash hash(QCryptographicHash::Sha1);
+    hash.addData(QByteArray::number(javaUnixTime));
+    hash.addData(m_javaPath.toUtf8());
+    m_javaSignature = hash.result().toHex();
+
     // if timestamps are not the same, or something is missing, check!
-    if (javaUnixTime != storedUnixTime || storedVersion.size() == 0
+    if (m_javaSignature != storedSignature || storedVersion.size() == 0
         || storedArchitecture.size() == 0 || storedRealArchitecture.size() == 0
         || storedVendor.size() == 0)
     {
@@ -140,7 +145,7 @@ void CheckJava::checkJavaFinished(JavaCheckResult result)
             instance->settings()->set("JavaArchitecture", result.mojangPlatform);
             instance->settings()->set("JavaRealArchitecture", result.realPlatform);
             instance->settings()->set("JavaVendor", result.javaVendor);
-            instance->settings()->set("JavaTimestamp", m_javaUnixTime);
+            instance->settings()->set("JavaSignature", m_javaSignature);
             emitSucceeded();
             return;
         }

launcher/launch/steps/CheckJava.h

@@ -40,6 +40,6 @@ private:
 
 private:
     QString m_javaPath;
-    qlonglong m_javaUnixTime;
+    QString m_javaSignature;
     JavaCheckerPtr m_JavaChecker;
 };

launcher/meta/JsonFormat.cpp

@@ -56,10 +56,10 @@ static Version::Ptr parseCommonVersion(const QString &uid, const QJsonObject &ob
     version->setType(ensureString(obj, "type", QString()));
     version->setRecommended(ensureBoolean(obj, QString("recommended"), false));
     version->setVolatile(ensureBoolean(obj, QString("volatile"), false));
-    RequireSet requires, conflicts;
+    RequireSet reqs, conflicts;
-    parseRequires(obj, &requires, "requires");
+    parseRequires(obj, &reqs, "requires");
     parseRequires(obj, &conflicts, "conflicts");
-    version->setRequires(requires, conflicts);
+    version->setRequires(reqs, conflicts);
     return version;
 }
 
@@ -176,7 +176,6 @@ void parseRequires(const QJsonObject& obj, RequireSet* ptr, const char * keyName
 {
     if(obj.contains(keyName))
     {
-        QSet<QString> requires;
         auto reqArray = requireArray(obj, keyName);
         auto iter = reqArray.begin();
         while(iter != reqArray.end())

launcher/meta/Version.cpp

@@ -116,9 +116,9 @@ void Meta::Version::setTime(const qint64 time)
     emit timeChanged();
 }
 
-void Meta::Version::setRequires(const Meta::RequireSet &requires, const Meta::RequireSet &conflicts)
+void Meta::Version::setRequires(const Meta::RequireSet &reqs, const Meta::RequireSet &conflicts)
 {
-    m_requires = requires;
+    m_requires = reqs;
     m_conflicts = conflicts;
     emit requiresChanged();
 }

launcher/meta/Version.h

@@ -63,7 +63,7 @@ public:
     {
         return m_time;
     }
-    const Meta::RequireSet &requires() const
+    const Meta::RequireSet &requiredSet() const
     {
         return m_requires;
     }
@@ -91,7 +91,7 @@ public:
 public: // for usage by format parsers only
     void setType(const QString &type);
     void setTime(const qint64 time);
-    void setRequires(const Meta::RequireSet &requires, const Meta::RequireSet &conflicts);
+    void setRequires(const Meta::RequireSet &reqs, const Meta::RequireSet &conflicts);
     void setVolatile(bool volatile_);
     void setRecommended(bool recommended);
     void setProvidesRecommendations();

launcher/meta/VersionList.cpp

@@ -77,7 +77,7 @@ QVariant VersionList::data(const QModelIndex &index, int role) const
     case ParentVersionRole:
     {
         // FIXME: HACK: this should be generic and be replaced by something else. Anything that is a hard 'equals' dep is a 'parent uid'.
-        auto & reqs = version->requires();
+        auto & reqs = version->requiredSet();
         auto iter = std::find_if(reqs.begin(), reqs.end(), [](const Require & req)
         {
             return req.uid == "net.minecraft";
@@ -92,7 +92,7 @@ QVariant VersionList::data(const QModelIndex &index, int role) const
 
     case UidRole: return version->uid();
     case TimeRole: return version->time();
-    case RequiresRole: return QVariant::fromValue(version->requires());
+    case RequiresRole: return QVariant::fromValue(version->requiredSet());
     case SortRole: return version->rawTime();
     case VersionPtrRole: return QVariant::fromValue(version);
     case RecommendedRole: return version->isRecommended();

launcher/minecraft/Component.cpp

@@ -451,9 +451,9 @@ void Component::updateCachedData()
             m_cachedVolatile = file->m_volatile;
             changed = true;
         }
-        if(!deepCompare(m_cachedRequires, file->requires))
+        if(!deepCompare(m_cachedRequires, file->m_requires))
         {
-            m_cachedRequires = file->requires;
+            m_cachedRequires = file->m_requires;
             changed = true;
         }
         if(!deepCompare(m_cachedConflicts, file->conflicts))

launcher/minecraft/MinecraftInstance.cpp

@@ -148,10 +148,11 @@ void MinecraftInstance::loadSpecificSettings()
         m_settings->registerOverride(global_settings->getSetting("IgnoreJavaCompatibility"), javaOrLocation);
 
         // special!
-        m_settings->registerPassthrough(global_settings->getSetting("JavaTimestamp"), javaOrLocation);
+        m_settings->registerPassthrough(global_settings->getSetting("JavaSignature"), javaOrLocation);
-        m_settings->registerPassthrough(global_settings->getSetting("JavaVersion"), javaOrLocation);
         m_settings->registerPassthrough(global_settings->getSetting("JavaArchitecture"), javaOrLocation);
         m_settings->registerPassthrough(global_settings->getSetting("JavaRealArchitecture"), javaOrLocation);
+        m_settings->registerPassthrough(global_settings->getSetting("JavaVersion"), javaOrLocation);
+        m_settings->registerPassthrough(global_settings->getSetting("JavaVendor"), javaOrLocation);
 
         // Window Size
         auto windowSetting = m_settings->registerSetting("OverrideWindow", false);

launcher/minecraft/OneSixVersionFormat.cpp

@@ -276,7 +276,7 @@ VersionFilePtr OneSixVersionFormat::versionFileFromJson(const QJsonDocument &doc
 
     if (root.contains("requires"))
     {
-        Meta::parseRequires(root, &out->requires);
+        Meta::parseRequires(root, &out->m_requires);
     }
     QString dependsOnMinecraftVersion = root.value("mcVersion").toString();
     if(!dependsOnMinecraftVersion.isEmpty())
@@ -284,9 +284,9 @@ VersionFilePtr OneSixVersionFormat::versionFileFromJson(const QJsonDocument &doc
         Meta::Require mcReq;
         mcReq.uid = "net.minecraft";
         mcReq.equalsVersion = dependsOnMinecraftVersion;
-        if (out->requires.count(mcReq) == 0)
+        if (out->m_requires.count(mcReq) == 0)
         {
-            out->requires.insert(mcReq);
+            out->m_requires.insert(mcReq);
         }
     }
     if (root.contains("conflicts"))
@@ -392,9 +392,9 @@ QJsonDocument OneSixVersionFormat::versionFileToJson(const VersionFilePtr &patch
         }
         root.insert("mods", array);
     }
-    if(!patch->requires.empty())
+    if(!patch->m_requires.empty())
     {
-        Meta::serializeRequires(root, &patch->requires, "requires");
+        Meta::serializeRequires(root, &patch->m_requires, "requires");
     }
     if(!patch->conflicts.empty())
     {

launcher/minecraft/VersionFile.h

@@ -138,7 +138,7 @@ public: /* data */
      * Prism Launcher: set of packages this depends on
      * NOTE: this is shared with the meta format!!!
      */
-    Meta::RequireSet requires;
+    Meta::RequireSet m_requires;
 
     /**
      * Prism Launcher: set of packages this conflicts with

launcher/minecraft/auth/AccountList.cpp

@@ -333,13 +333,13 @@ QVariant AccountList::data(const QModelIndex &index, int role) const
 
             case MigrationColumn: {
                 if(account->isMSA() || account->isOffline()) {
-                    return tr("N/A", "Can Migrate?");
+                    return tr("N/A", "Can Migrate");
                 }
                 if (account->canMigrate()) {
-                    return tr("Yes", "Can Migrate?");
+                    return tr("Yes", "Can Migrate");
                 }
                 else {
-                    return tr("No", "Can Migrate?");
+                    return tr("No", "Can Migrate");
                 }
             }
 

launcher/minecraft/mod/DataPack.cpp

@@ -33,7 +33,9 @@ static const QMap<int, std::pair<Version, Version>> s_pack_format_versions = {
     { 4, { Version("1.13"), Version("1.14.4") } },   { 5, { Version("1.15"), Version("1.16.1") } },
     { 6, { Version("1.16.2"), Version("1.16.5") } }, { 7, { Version("1.17"), Version("1.17.1") } },
     { 8, { Version("1.18"), Version("1.18.1") } },   { 9, { Version("1.18.2"), Version("1.18.2") } },
-    { 10, { Version("1.19"), Version("1.19.3") } },
+    { 10, { Version("1.19"), Version("1.19.3") } },  { 11, { Version("23w03a"), Version("23w05a") } },
+    { 12, { Version("1.19.4"), Version("1.19.4") } }, { 13, { Version("23w12a"), Version("23w14a") } },
+    { 14, { Version("23w16a"), Version("23w17a") } }, { 15, { Version("1.20"), Version("1.20") } },
 };
 
 void DataPack::setPackFormat(int new_format_id)

launcher/minecraft/mod/Mod.cpp

@@ -41,9 +41,11 @@
 #include <QString>
 #include <QRegularExpression>
 
+#include "MTPixmapCache.h"
 #include "MetadataHandler.h"
 #include "Version.h"
 #include "minecraft/mod/ModDetails.h"
+#include "minecraft/mod/tasks/LocalModParseTask.h"
 
 static ModPlatform::ProviderCapabilities ProviderCaps;
 
@@ -201,7 +203,10 @@ void Mod::finishResolvingWithDetails(ModDetails&& details)
     m_local_details = std::move(details);
     if (metadata)
         setMetadata(std::move(metadata));
-};
+    if (!iconPath().isEmpty()) {
+        m_pack_image_cache_key.was_read_attempt = false;
+    }
+}
 
 auto Mod::provider() const -> std::optional<QString>
 {
@@ -210,6 +215,56 @@ auto Mod::provider() const -> std::optional<QString>
     return {};
 }
 
+auto Mod::licenses() const -> const QList<ModLicense>&
+{
+    return details().licenses;
+}
+
+ auto Mod::issueTracker() const -> QString
+{
+    return details().issue_tracker;
+}
+
+void Mod::setIcon(QImage new_image) const
+{
+    QMutexLocker locker(&m_data_lock);
+
+    Q_ASSERT(!new_image.isNull());
+
+    if (m_pack_image_cache_key.key.isValid())
+        PixmapCache::remove(m_pack_image_cache_key.key);
+
+    // scale the image to avoid flooding the pixmapcache
+    auto pixmap = QPixmap::fromImage(new_image.scaled({64, 64}, Qt::AspectRatioMode::KeepAspectRatioByExpanding));
+
+    m_pack_image_cache_key.key = PixmapCache::insert(pixmap);
+    m_pack_image_cache_key.was_ever_used = true;
+    m_pack_image_cache_key.was_read_attempt = true;
+}
+
+QPixmap Mod::icon(QSize size, Qt::AspectRatioMode mode) const
+{
+    QPixmap cached_image;
+    if (PixmapCache::find(m_pack_image_cache_key.key, &cached_image)) {
+        if (size.isNull())
+            return cached_image;
+        return cached_image.scaled(size, mode);
+    }
+
+    // No valid image we can get
+    if ((!m_pack_image_cache_key.was_ever_used && m_pack_image_cache_key.was_read_attempt) || iconPath().isEmpty())
+        return {};
+
+    if (m_pack_image_cache_key.was_ever_used) {
+        qDebug() << "Mod" << name() << "Had it's icon evicted form the cache. reloading...";
+        PixmapCache::markCacheMissByEviciton();
+    }
+    // Image got evicted from the cache or an attempt to load it has not been made. load it and retry.
+    m_pack_image_cache_key.was_read_attempt = true;
+    ModUtils::loadIconFile(*this);
+    return icon(size);
+}
+
 bool Mod::valid() const
 {
     return !m_local_details.mod_id.isEmpty();

launcher/minecraft/mod/Mod.h

@@ -38,6 +38,10 @@
 #include <QDateTime>
 #include <QFileInfo>
 #include <QList>
+#include <QImage>
+#include <QMutex>
+#include <QPixmap>
+#include <QPixmapCache>
 
 #include <optional>
 
@@ -64,6 +68,15 @@ public:
     auto authors()     const -> QStringList;
     auto status()      const -> ModStatus;
     auto provider()    const -> std::optional<QString>;
+    auto licenses()     const -> const QList<ModLicense>&;
+    auto issueTracker() const -> QString;
+
+    /** Get the intneral path to the mod's icon file*/
+    QString iconPath() const { return m_local_details.icon_file; };
+    /** Gets the icon of the mod, converted to a QPixmap for drawing, and scaled to size. */
+    [[nodiscard]] QPixmap icon(QSize size, Qt::AspectRatioMode mode = Qt::AspectRatioMode::IgnoreAspectRatio) const;
+    /** Thread-safe. */
+    void setIcon(QImage new_image) const;
 
     auto metadata() -> std::shared_ptr<Metadata::ModStruct>;
     auto metadata() const -> const std::shared_ptr<Metadata::ModStruct>;
@@ -85,4 +98,13 @@ public:
 
 protected:
     ModDetails m_local_details;
+
+    mutable QMutex m_data_lock;
+
+    struct {
+        QPixmapCache::Key key;
+        bool was_ever_used = false;
+        bool was_read_attempt = false;
+    } mutable m_pack_image_cache_key;
+    
 };

launcher/minecraft/mod/ModDetails.h

@@ -39,6 +39,7 @@
 
 #include <QString>
 #include <QStringList>
+#include <QUrl>
 
 #include "minecraft/mod/MetadataHandler.h"
 
@@ -49,6 +50,84 @@ enum class ModStatus {
     Unknown,        // Default status
 };
 
+struct ModLicense {
+    QString name = {};
+    QString id = {};
+    QString url = {};
+    QString description = {};
+
+    ModLicense() {}
+
+    ModLicense(const QString license) {
+        // FIXME: come up with a better license parseing. 
+        // handle SPDX identifiers? https://spdx.org/licenses/
+        auto parts = license.split(' ');
+        QStringList notNameParts  = {};
+        for (auto part : parts) {
+            auto url = QUrl(part);
+            if (part.startsWith("(") && part.endsWith(")"))
+                url = QUrl(part.mid(1, part.size() - 2));
+
+            if (url.isValid() && !url.scheme().isEmpty() && !url.host().isEmpty()) {
+                this->url = url.toString();
+                notNameParts.append(part);
+                continue;
+            }
+        }
+
+        for (auto part : notNameParts) {
+            parts.removeOne(part);
+        }
+        
+        auto licensePart = parts.join(' ');
+        this->name = licensePart;
+        this->description = licensePart;
+
+        if (parts.size() == 1) {
+            this->id = parts.first();
+        }
+        
+    }
+
+    ModLicense(const QString name, const QString id, const QString url, const QString description) {
+        this->name = name;
+        this->id = id;
+        this->url = url;
+        this->description = description;
+    }
+
+    ModLicense(const ModLicense& other)
+        : name(other.name)
+        , id(other.id)
+        , url(other.url)
+        , description(other.description)
+    {}
+
+    ModLicense& operator=(const ModLicense& other)
+    {
+        this->name = other.name;
+        this->id = other.id;
+        this->url = other.url;
+        this->description = other.description;
+
+        return *this;
+    }
+
+    ModLicense& operator=(const ModLicense&& other)
+    {
+        this->name = other.name;
+        this->id = other.id;
+        this->url = other.url;
+        this->description = other.description;
+
+        return *this;
+    }
+
+    bool isEmpty() {
+        return this->name.isEmpty() && this->id.isEmpty() && this->url.isEmpty() && this->description.isEmpty();
+    }
+};
+
 struct ModDetails
 {
     /* Mod ID as defined in the ModLoader-specific metadata */
@@ -72,6 +151,15 @@ struct ModDetails
     /* List of the author's names */
     QStringList authors = {};
 
+    /* Issue Tracker URL */
+    QString issue_tracker = {};
+
+    /* License */
+    QList<ModLicense> licenses = {};
+
+    /* Path of mod logo */
+    QString icon_file = {};
+
     /* Installation status of the mod */
     ModStatus status = ModStatus::Unknown;
 
@@ -89,6 +177,9 @@ struct ModDetails
         , homeurl(other.homeurl)
         , description(other.description)
         , authors(other.authors)
+        , issue_tracker(other.issue_tracker)
+        , licenses(other.licenses)
+        , icon_file(other.icon_file)
         , status(other.status)
     {}
 
@@ -101,6 +192,9 @@ struct ModDetails
         this->homeurl = other.homeurl;
         this->description = other.description;
         this->authors = other.authors;
+        this->issue_tracker = other.issue_tracker;
+        this->licenses = other.licenses;
+        this->icon_file = other.icon_file;
         this->status = other.status;
 
         return *this;
@@ -115,6 +209,9 @@ struct ModDetails
         this->homeurl = other.homeurl;
         this->description = other.description;
         this->authors = other.authors;
+        this->issue_tracker = other.issue_tracker;
+        this->licenses = other.licenses;
+        this->icon_file = other.icon_file;
         this->status = other.status;
 
         return *this;

launcher/minecraft/mod/ModFolderModel.cpp

@@ -37,6 +37,7 @@
 #include "ModFolderModel.h"
 
 #include <FileSystem.h>
+#include <qheaderview.h>
 #include <QDebug>
 #include <QFileSystemWatcher>
 #include <QIcon>
@@ -52,12 +53,14 @@
 
 #include "minecraft/mod/tasks/LocalModParseTask.h"
 #include "minecraft/mod/tasks/ModFolderLoadTask.h"
-#include "modplatform/ModIndex.h"
 
 ModFolderModel::ModFolderModel(const QString& dir, BaseInstance* instance, bool is_indexed, bool create_dir)
     : ResourceFolderModel(QDir(dir), instance, nullptr, create_dir), m_is_indexed(is_indexed)
 {
-    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::VERSION, SortType::DATE, SortType::PROVIDER };
+    m_column_names = QStringList({ "Enable", "Image", "Name", "Version", "Last Modified", "Provider" });
+    m_column_names_translated = QStringList({ tr("Enable"), tr("Image"), tr("Name"), tr("Version"), tr("Last Modified"), tr("Provider") });
+    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::NAME , SortType::VERSION, SortType::DATE, SortType::PROVIDER};
+    m_column_resize_modes = { QHeaderView::ResizeToContents, QHeaderView::Interactive, QHeaderView::Stretch, QHeaderView::ResizeToContents, QHeaderView::ResizeToContents, QHeaderView::ResizeToContents};
 }
 
 QVariant ModFolderModel::data(const QModelIndex &index, int role) const
@@ -118,7 +121,9 @@ QVariant ModFolderModel::data(const QModelIndex &index, int role) const
     case Qt::DecorationRole: {
         if (column == NAME_COLUMN && (at(row)->isSymLinkUnder(instDirPath()) || at(row)->isMoreThanOneHardLink()))
             return APPLICATION->getThemedIcon("status-yellow");
-
+        if (column == ImageColumn) {
+            return at(row)->icon({32, 32}, Qt::AspectRatioMode::KeepAspectRatioByExpanding);
+        }
         return {};
     }
     case Qt::CheckStateRole:
@@ -142,15 +147,12 @@ QVariant ModFolderModel::headerData(int section, Qt::Orientation orientation, in
         switch (section)
         {
         case ActiveColumn:
-            return QString();
         case NameColumn:
-            return tr("Name");
         case VersionColumn:
-            return tr("Version");
         case DateColumn:
-            return tr("Last changed");
         case ProviderColumn:
-            return tr("Provider");
+        case ImageColumn:
+            return columnNames().at(section);
         default:
             return QVariant();
         }

launcher/minecraft/mod/ModFolderModel.h

@@ -64,6 +64,7 @@ public:
     enum Columns
     {
         ActiveColumn = 0,
+        ImageColumn,
         NameColumn,
         VersionColumn,
         DateColumn,
@@ -77,6 +78,8 @@ public:
     };
     ModFolderModel(const QString &dir, BaseInstance* instance, bool is_indexed = false, bool create_dir = true);
 
+    virtual QString id() const override { return "mods"; }
+
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;

launcher/minecraft/mod/ResourceFolderModel.cpp

@@ -8,12 +8,15 @@
 #include <QStyle>
 #include <QThreadPool>
 #include <QUrl>
+#include <QMenu>
 
 #include "Application.h"
 #include "FileSystem.h"
 
+#include "QVariantUtils.h"
 #include "minecraft/mod/tasks/BasicFolderLoadTask.h"
 
+#include "settings/Setting.h"
 #include "tasks/Task.h"
 
 ResourceFolderModel::ResourceFolderModel(QDir dir, BaseInstance* instance, QObject* parent, bool create_dir)
@@ -471,10 +474,10 @@ QVariant ResourceFolderModel::headerData(int section, Qt::Orientation orientatio
     switch (role) {
         case Qt::DisplayRole:
             switch (section) {
+                case ACTIVE_COLUMN:
                 case NAME_COLUMN:
-                    return tr("Name");
                 case DATE_COLUMN:
-                    return tr("Last modified");
+                    return columnNames().at(section);
                 default:
                     return {};
             }
@@ -500,6 +503,75 @@ QVariant ResourceFolderModel::headerData(int section, Qt::Orientation orientatio
     return {};
 }
 
+void ResourceFolderModel::setupHeaderAction(QAction* act, int column)
+{
+    Q_ASSERT(act);
+
+    act->setText(columnNames().at(column));
+}
+
+void ResourceFolderModel::saveHiddenColumn(int column, bool hidden)
+{
+    auto const setting_name = QString("UI/%1_Page/HiddenColumns").arg(id());
+    auto setting = (m_instance->settings()->contains(setting_name)) ?
+        m_instance->settings()->getSetting(setting_name) : m_instance->settings()->registerSetting(setting_name);
+
+    auto hiddenColumns = setting->get().toStringList();
+    auto name = columnNames(false).at(column);
+    auto index = hiddenColumns.indexOf(name);
+    if (index >= 0 && !hidden) {
+        hiddenColumns.removeAt(index);
+    } else if ( index < 0 && hidden) {
+        hiddenColumns.append(name);
+    }
+    setting->set(hiddenColumns);
+}
+
+void ResourceFolderModel::loadHiddenColumns(QTreeView *tree)
+{
+    auto const setting_name = QString("UI/%1_Page/HiddenColumns").arg(id());
+    auto setting = (m_instance->settings()->contains(setting_name)) ?
+        m_instance->settings()->getSetting(setting_name) : m_instance->settings()->registerSetting(setting_name);
+
+    auto hiddenColumns = setting->get().toStringList();
+    auto col_names = columnNames(false);
+    for (auto col_name : hiddenColumns) {
+        auto index = col_names.indexOf(col_name);
+        if (index >= 0)
+            tree->setColumnHidden(index, true);
+    }
+
+}
+
+QMenu* ResourceFolderModel::createHeaderContextMenu(QTreeView* tree)
+{
+    auto menu = new QMenu(tree);
+
+    menu->addSeparator()->setText(tr("Show / Hide Columns"));
+
+    for (int col = 0; col < columnCount(); ++col) {
+        auto act = new QAction(menu);
+        setupHeaderAction(act, col);
+
+        act->setCheckable(true);
+        act->setChecked(!tree->isColumnHidden(col));
+
+        connect(act, &QAction::toggled, tree, [this, col, tree](bool toggled){
+            tree->setColumnHidden(col, !toggled);
+            for(int c = 0; c < columnCount(); ++c) {
+                if (m_column_resize_modes.at(c) == QHeaderView::ResizeToContents)
+                    tree->resizeColumnToContents(c);
+            }
+            saveHiddenColumn(col, !toggled);
+        });
+
+        menu->addAction(act);
+
+    }
+
+    return menu;
+}
+
 QSortFilterProxyModel* ResourceFolderModel::createFilterProxyModel(QObject* parent)
 {
     return new ProxyModel(parent);

launcher/minecraft/mod/ResourceFolderModel.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <QHeaderView>
+#include <QAction>
+#include <QTreeView>
 #include <QAbstractListModel>
 #include <QDir>
 #include <QFileSystemWatcher>
@@ -29,6 +32,8 @@ class ResourceFolderModel : public QAbstractListModel {
     ResourceFolderModel(QDir, BaseInstance* instance, QObject* parent = nullptr, bool create_dir = true);
     ~ResourceFolderModel() override;
 
+    virtual QString id() const { return "resource"; }
+
     /** Starts watching the paths for changes.
      *
      *  Returns whether starting to watch all the paths was successful.
@@ -92,6 +97,7 @@ class ResourceFolderModel : public QAbstractListModel {
 
     /* Basic columns */
     enum Columns { ACTIVE_COLUMN = 0, NAME_COLUMN, DATE_COLUMN, NUM_COLUMNS };
+    QStringList columnNames(bool translated = true) const { return translated ? m_column_names_translated : m_column_names; };
 
     [[nodiscard]] int rowCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : static_cast<int>(size()); }
     [[nodiscard]] int columnCount(const QModelIndex& parent = {}) const override { return parent.isValid() ? 0 : NUM_COLUMNS; }
@@ -110,6 +116,11 @@ class ResourceFolderModel : public QAbstractListModel {
 
     [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
+    void setupHeaderAction(QAction* act, int column);
+    void saveHiddenColumn(int column, bool hidden);
+    void loadHiddenColumns(QTreeView* tree);
+    QMenu* createHeaderContextMenu(QTreeView* tree);
+    
     /** This creates a proxy model to filter / sort the model for a UI.
      *
      *  The actual comparisons and filtering are done directly by the Resource, so to modify behavior go there instead!
@@ -117,6 +128,7 @@ class ResourceFolderModel : public QAbstractListModel {
     QSortFilterProxyModel* createFilterProxyModel(QObject* parent = nullptr);
 
     [[nodiscard]] SortType columnToSortKey(size_t column) const;
+    [[nodiscard]] QList<QHeaderView::ResizeMode> columnResizeModes() const { return m_column_resize_modes; }
 
     class ProxyModel : public QSortFilterProxyModel {
        public:
@@ -187,6 +199,9 @@ class ResourceFolderModel : public QAbstractListModel {
     // Represents the relationship between a column's index (represented by the list index), and it's sorting key.
     // As such, the order in with they appear is very important!
     QList<SortType> m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::DATE };
+    QStringList m_column_names = {"Enable", "Name", "Last Modified"};
+    QStringList m_column_names_translated = {tr("Enable"), tr("Name"), tr("Last Modified")};
+    QList<QHeaderView::ResizeMode> m_column_resize_modes = {  QHeaderView::ResizeToContents, QHeaderView::Stretch, QHeaderView::ResizeToContents };
 
     bool m_can_interact = true;
 

launcher/minecraft/mod/ResourcePack.cpp

@@ -18,7 +18,8 @@ static const QMap<int, std::pair<Version, Version>> s_pack_format_versions = {
     { 5, { Version("1.15"), Version("1.16.1") } },    { 6, { Version("1.16.2"), Version("1.16.5") } },
     { 7, { Version("1.17"), Version("1.17.1") } },    { 8, { Version("1.18"), Version("1.18.2") } },
     { 9, { Version("1.19"), Version("1.19.2") } },    { 11, { Version("22w42a"), Version("22w44a") } },
-    { 12, { Version("1.19.3"), Version("1.19.3") } },
+    { 12, { Version("1.19.3"), Version("1.19.3") } }, { 13, { Version("1.19.4"), Version("1.19.4") } },
+    { 14, { Version("1.20"), Version("1.20") } }
 };
 
 void ResourcePack::setPackFormat(int new_format_id)
@@ -39,7 +40,7 @@ void ResourcePack::setDescription(QString new_description)
     m_description = new_description;
 }
 
-void ResourcePack::setImage(QImage new_image)
+void ResourcePack::setImage(QImage new_image) const
 {
     QMutexLocker locker(&m_data_lock);
 
@@ -48,7 +49,10 @@ void ResourcePack::setImage(QImage new_image)
     if (m_pack_image_cache_key.key.isValid())
         PixmapCache::instance().remove(m_pack_image_cache_key.key);
 
-    m_pack_image_cache_key.key = PixmapCache::instance().insert(QPixmap::fromImage(new_image));
+    // scale the image to avoid flooding the pixmapcache
+    auto pixmap = QPixmap::fromImage(new_image.scaled({64, 64}, Qt::AspectRatioMode::KeepAspectRatioByExpanding));
+
+    m_pack_image_cache_key.key = PixmapCache::instance().insert(pixmap);
     m_pack_image_cache_key.was_ever_used = true;
 
     // This can happen if the pixmap is too big to fit in the cache :c
@@ -58,21 +62,25 @@ void ResourcePack::setImage(QImage new_image)
     }
 }
 
-QPixmap ResourcePack::image(QSize size)
+QPixmap ResourcePack::image(QSize size, Qt::AspectRatioMode mode) const
 {
     QPixmap cached_image;
     if (PixmapCache::instance().find(m_pack_image_cache_key.key, &cached_image)) {
         if (size.isNull())
             return cached_image;
-        return cached_image.scaled(size);
+        return cached_image.scaled(size, mode);
     }
 
     // No valid image we can get
-    if (!m_pack_image_cache_key.was_ever_used)
+    if (!m_pack_image_cache_key.was_ever_used) {
         return {};
+    } else {
+        qDebug() << "Resource Pack" << name() << "Had it's image evicted from the cache. reloading...";
+        PixmapCache::markCacheMissByEviciton();
+    }
 
     // Imaged got evicted from the cache. Re-process it and retry.
-    ResourcePackUtils::process(*this);
+    ResourcePackUtils::processPackPNG(*this);
     return image(size);
 }
 

launcher/minecraft/mod/ResourcePack.h

@@ -31,7 +31,7 @@ class ResourcePack : public Resource {
     [[nodiscard]] QString description() const { return m_description; }
 
     /** Gets the image of the resource pack, converted to a QPixmap for drawing, and scaled to size. */
-    [[nodiscard]] QPixmap image(QSize size);
+    [[nodiscard]] QPixmap image(QSize size, Qt::AspectRatioMode mode = Qt::AspectRatioMode::IgnoreAspectRatio) const;
 
     /** Thread-safe. */
     void setPackFormat(int new_format_id);
@@ -40,7 +40,7 @@ class ResourcePack : public Resource {
     void setDescription(QString new_description);
 
     /** Thread-safe. */
-    void setImage(QImage new_image);
+    void setImage(QImage new_image) const;
 
     bool valid() const override;
 
@@ -67,5 +67,5 @@ class ResourcePack : public Resource {
     struct {
         QPixmapCache::Key key;
         bool was_ever_used = false;
-    } m_pack_image_cache_key;
+    } mutable m_pack_image_cache_key;
 };

launcher/minecraft/mod/ResourcePackFolderModel.cpp

@@ -35,6 +35,8 @@
  */
 
 #include "ResourcePackFolderModel.h"
+#include <qnamespace.h>
+#include <qsize.h>
 
 #include <QIcon>
 #include <QStyle>
@@ -48,7 +50,11 @@
 ResourcePackFolderModel::ResourcePackFolderModel(const QString& dir, BaseInstance* instance)
     : ResourceFolderModel(QDir(dir), instance)
 {
-    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::PACK_FORMAT, SortType::DATE };
+    m_column_names = QStringList({ "Enable", "Image", "Name", "Pack Format", "Last Modified" });
+    m_column_names_translated = QStringList({ tr("Enable"), tr("Image"), tr("Name"), tr("Pack Format"), tr("Last Modified") });
+    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::NAME, SortType::PACK_FORMAT, SortType::DATE};
+    m_column_resize_modes = { QHeaderView::ResizeToContents, QHeaderView::Interactive, QHeaderView::Stretch, QHeaderView::ResizeToContents, QHeaderView::ResizeToContents };
+
 }
 
 QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
@@ -84,9 +90,11 @@ QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
                     return {};
             }
         case Qt::DecorationRole: {
-            if (column == NAME_COLUMN && (at(row)->isSymLinkUnder(instDirPath()) || at(row)->isMoreThanOneHardLink()))
+            if (column == NameColumn && (at(row)->isSymLinkUnder(instDirPath()) || at(row)->isMoreThanOneHardLink()))
                 return APPLICATION->getThemedIcon("status-yellow");
-
+            if (column == ImageColumn) {
+                return at(row)->image({32, 32}, Qt::AspectRatioMode::KeepAspectRatioByExpanding);
+            }
             return {};
         }
         case Qt::ToolTipRole: {
@@ -94,7 +102,7 @@ QVariant ResourcePackFolderModel::data(const QModelIndex& index, int role) const
                 //: The string being explained by this is in the format: ID (Lower version - Upper version)
                 return tr("The resource pack format ID, as well as the Minecraft versions it was designed for.");
             }
-            if (column == NAME_COLUMN) {
+            if (column == NameColumn) {
                 if (at(row)->isSymLinkUnder(instDirPath())) {
                     return m_resources[row]->internal_id() +
                         tr("\nWarning: This resource is symbolically linked from elsewhere. Editing it will also change the original."
@@ -126,13 +134,11 @@ QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orient
         case Qt::DisplayRole:
             switch (section) {
                 case ActiveColumn:
-                    return QString();
                 case NameColumn:
-                    return tr("Name");
                 case PackFormatColumn:
-                    return tr("Pack Format");
                 case DateColumn:
-                    return tr("Last changed");
+                case ImageColumn:
+                    return columnNames().at(section);
                 default:
                     return {};
             }
@@ -151,6 +157,11 @@ QVariant ResourcePackFolderModel::headerData(int section, Qt::Orientation orient
                 default:
                     return {};
             }
+        case Qt::SizeHintRole:
+            if (section == ImageColumn) {
+                return QSize(64,0);
+            }
+            return {};
         default:
             return {};
     }

launcher/minecraft/mod/ResourcePackFolderModel.h

@@ -11,6 +11,7 @@ public:
     enum Columns
     {
         ActiveColumn = 0,
+        ImageColumn,
         NameColumn,
         PackFormatColumn,
         DateColumn,
@@ -19,6 +20,8 @@ public:
 
     explicit ResourcePackFolderModel(const QString &dir, BaseInstance* instance);
 
+    virtual QString id() const override { return "resourcepacks"; }
+
     [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
     [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;

launcher/minecraft/mod/ShaderPackFolderModel.h

@@ -9,4 +9,6 @@ class ShaderPackFolderModel : public ResourceFolderModel {
     explicit ShaderPackFolderModel(const QString& dir, BaseInstance* instance)
         : ResourceFolderModel(QDir(dir), instance)
     {}
+    
+    virtual QString id() const override { return "shaderpacks"; }
 };

launcher/minecraft/mod/TexturePack.cpp

@@ -23,6 +23,8 @@
 #include <QMap>
 #include <QRegularExpression>
 
+#include "MTPixmapCache.h"
+
 #include "minecraft/mod/tasks/LocalTexturePackParseTask.h"
 
 void TexturePack::setDescription(QString new_description)
@@ -32,34 +34,41 @@ void TexturePack::setDescription(QString new_description)
     m_description = new_description;
 }
 
-void TexturePack::setImage(QImage new_image)
+void TexturePack::setImage(QImage new_image) const
 {
     QMutexLocker locker(&m_data_lock);
 
     Q_ASSERT(!new_image.isNull());
 
     if (m_pack_image_cache_key.key.isValid())
-        QPixmapCache::remove(m_pack_image_cache_key.key);
+        PixmapCache::remove(m_pack_image_cache_key.key);
 
-    m_pack_image_cache_key.key = QPixmapCache::insert(QPixmap::fromImage(new_image));
+    // scale the image to avoid flooding the pixmapcache
+    auto pixmap = QPixmap::fromImage(new_image.scaled({64, 64}, Qt::AspectRatioMode::KeepAspectRatioByExpanding));
+
+    m_pack_image_cache_key.key = PixmapCache::insert(pixmap);
     m_pack_image_cache_key.was_ever_used = true;
 }
 
-QPixmap TexturePack::image(QSize size)
+QPixmap TexturePack::image(QSize size, Qt::AspectRatioMode mode) const
 {
     QPixmap cached_image;
-    if (QPixmapCache::find(m_pack_image_cache_key.key, &cached_image)) {
+    if (PixmapCache::find(m_pack_image_cache_key.key, &cached_image)) {
         if (size.isNull())
             return cached_image;
-        return cached_image.scaled(size);
+        return cached_image.scaled(size, mode);
     }
 
     // No valid image we can get
-    if (!m_pack_image_cache_key.was_ever_used)
+    if (!m_pack_image_cache_key.was_ever_used) {
         return {};
+    } else {
+        qDebug() << "Texture Pack" << name() << "Had it's image evicted from the cache. reloading...";
+        PixmapCache::markCacheMissByEviciton();
+    }
 
     // Imaged got evicted from the cache. Re-process it and retry.
-    TexturePackUtils::process(*this);
+    TexturePackUtils::processPackPNG(*this);
     return image(size);
 }
 

launcher/minecraft/mod/TexturePack.h

@@ -40,13 +40,13 @@ class TexturePack : public Resource {
     [[nodiscard]] QString description() const { return m_description; }
 
     /** Gets the image of the texture pack, converted to a QPixmap for drawing, and scaled to size. */
-    [[nodiscard]] QPixmap image(QSize size);
+    [[nodiscard]] QPixmap image(QSize size, Qt::AspectRatioMode mode = Qt::AspectRatioMode::IgnoreAspectRatio) const;
 
     /** Thread-safe. */
     void setDescription(QString new_description);
 
     /** Thread-safe. */
-    void setImage(QImage new_image);
+    void setImage(QImage new_image) const;
 
     bool valid() const override;
 
@@ -65,5 +65,5 @@ class TexturePack : public Resource {
     struct {
         QPixmapCache::Key key;
         bool was_ever_used = false;
-    } m_pack_image_cache_key;
+    } mutable m_pack_image_cache_key;
 };

launcher/minecraft/mod/TexturePackFolderModel.cpp

@@ -33,6 +33,9 @@
  *      See the License for the specific language governing permissions and
  *      limitations under the License.
  */
+#include <QCoreApplication>
+
+#include "Application.h"
 
 #include "TexturePackFolderModel.h"
 
@@ -41,7 +44,13 @@
 
 TexturePackFolderModel::TexturePackFolderModel(const QString& dir, BaseInstance* instance)
     : ResourceFolderModel(QDir(dir), instance)
-{}
+{
+    m_column_names = QStringList({ "Enable", "Image", "Name", "Last Modified" });
+    m_column_names_translated = QStringList({ tr("Enable"), tr("Image"), tr("Name"), tr("Last Modified") });
+    m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::NAME, SortType::DATE };
+    m_column_resize_modes = { QHeaderView::ResizeToContents, QHeaderView::Interactive, QHeaderView::Stretch, QHeaderView::ResizeToContents};
+
+}
 
 Task* TexturePackFolderModel::createUpdateTask()
 {
@@ -52,3 +61,96 @@ Task* TexturePackFolderModel::createParseTask(Resource& resource)
 {
     return new LocalTexturePackParseTask(m_next_resolution_ticket, static_cast<TexturePack&>(resource));
 }
+
+
+QVariant TexturePackFolderModel::data(const QModelIndex& index, int role) const
+{
+    if (!validateIndex(index))
+        return {};
+
+    int row = index.row();
+    int column = index.column();
+
+    switch (role) {
+        case Qt::DisplayRole:
+            switch (column) {
+                case NameColumn:
+                    return m_resources[row]->name();
+                case DateColumn:
+                    return m_resources[row]->dateTimeChanged();
+                default:
+                    return {};
+            }
+        case Qt::ToolTipRole:
+            if (column == NameColumn) {
+                if (at(row)->isSymLinkUnder(instDirPath())) {
+                    return m_resources[row]->internal_id() +
+                        tr("\nWarning: This resource is symbolically linked from elsewhere. Editing it will also change the original."
+                           "\nCanonical Path: %1")
+                            .arg(at(row)->fileinfo().canonicalFilePath());;
+                }
+                if (at(row)->isMoreThanOneHardLink()) {
+                    return m_resources[row]->internal_id() +
+                        tr("\nWarning: This resource is hard linked elsewhere. Editing it will also change the original.");
+                }
+            }
+            
+            return m_resources[row]->internal_id();
+        case Qt::DecorationRole: {
+            if (column == NameColumn && (at(row)->isSymLinkUnder(instDirPath()) || at(row)->isMoreThanOneHardLink()))
+                return APPLICATION->getThemedIcon("status-yellow");
+            if (column == ImageColumn) {
+                return at(row)->image({32, 32}, Qt::AspectRatioMode::KeepAspectRatioByExpanding);
+            }
+            return {};
+        }
+        case Qt::CheckStateRole:
+            if (column == ActiveColumn) {
+                    return m_resources[row]->enabled() ? Qt::Checked : Qt::Unchecked;   
+            }
+            return {};
+        default:
+            return {};
+    }
+}
+
+QVariant TexturePackFolderModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    switch (role) {
+        case Qt::DisplayRole:
+            switch (section) {
+                case ActiveColumn:
+                case NameColumn:
+                case DateColumn:
+                case ImageColumn:
+                    return columnNames().at(section);
+                default:
+                    return {};
+            }
+        case Qt::ToolTipRole: {
+            switch (section) {
+                case ActiveColumn:
+                    //: Here, resource is a generic term for external resources, like Mods, Resource Packs, Shader Packs, etc.
+                    return tr("Is the resource enabled?");
+                case NameColumn:
+                    //: Here, resource is a generic term for external resources, like Mods, Resource Packs, Shader Packs, etc.
+                    return tr("The name of the resource.");
+                case DateColumn:
+                    //: Here, resource is a generic term for external resources, like Mods, Resource Packs, Shader Packs, etc.
+                    return tr("The date and time this resource was last changed (or added).");
+                default:
+                    return {};
+            }
+        }
+        default:
+            break;
+    }
+
+    return {};
+}
+
+int TexturePackFolderModel::columnCount(const QModelIndex& parent) const
+{
+    return parent.isValid() ? 0 : NUM_COLUMNS;
+}
+

launcher/minecraft/mod/TexturePackFolderModel.h

@@ -38,12 +38,35 @@
 
 #include "ResourceFolderModel.h"
 
+#include "TexturePack.h"
+
 class TexturePackFolderModel : public ResourceFolderModel
 {
     Q_OBJECT
 
 public:
+
+    enum Columns
+    {
+        ActiveColumn = 0,
+        ImageColumn,
+        NameColumn,
+        DateColumn,
+        NUM_COLUMNS
+    };
+
+    explicit TexturePackFolderModel(const QString &dir, std::shared_ptr<const BaseInstance> instance);
+
+    virtual QString id() const override { return "texturepacks"; }
+
+    [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+    [[nodiscard]] QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+    [[nodiscard]] int columnCount(const QModelIndex &parent) const override;
+
     explicit TexturePackFolderModel(const QString &dir, BaseInstance* instance);
     [[nodiscard]] Task* createUpdateTask() override;
     [[nodiscard]] Task* createParseTask(Resource&) override;
+
+    RESOURCE_HELPERS(TexturePack)
 };

launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp

@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "GetModDependenciesTask.h"
+
+#include <QDebug>
+#include <algorithm>
+#include <memory>
+#include "Json.h"
+#include "QObjectPtr.h"
+#include "minecraft/mod/MetadataHandler.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/ResourceAPI.h"
+#include "modplatform/flame/FlameAPI.h"
+#include "modplatform/modrinth/ModrinthAPI.h"
+#include "tasks/ConcurrentTask.h"
+#include "tasks/SequentialTask.h"
+#include "ui/pages/modplatform/ModModel.h"
+#include "ui/pages/modplatform/flame/FlameResourceModels.h"
+#include "ui/pages/modplatform/modrinth/ModrinthResourceModels.h"
+
+static Version mcVersion(BaseInstance* inst)
+{
+    return static_cast<MinecraftInstance*>(inst)->getPackProfile()->getComponent("net.minecraft")->getVersion();
+}
+
+static ResourceAPI::ModLoaderTypes mcLoaders(BaseInstance* inst)
+{
+    return static_cast<MinecraftInstance*>(inst)->getPackProfile()->getModLoaders().value();
+}
+
+GetModDependenciesTask::GetModDependenciesTask(QObject* parent,
+                                               BaseInstance* instance,
+                                               ModFolderModel* folder,
+                                               QList<std::shared_ptr<PackDependency>> selected)
+    : SequentialTask(parent, tr("Get dependencies"))
+    , m_selected(selected)
+    , m_flame_provider{ ModPlatform::ResourceProvider::FLAME, std::make_shared<ResourceDownload::FlameModModel>(*instance),
+                        std::make_shared<FlameAPI>() }
+    , m_modrinth_provider{ ModPlatform::ResourceProvider::MODRINTH, std::make_shared<ResourceDownload::ModrinthModModel>(*instance),
+                           std::make_shared<ModrinthAPI>() }
+    , m_version(mcVersion(instance))
+    , m_loaderType(mcLoaders(instance))
+{
+    for (auto mod : folder->allMods())
+        if (auto meta = mod->metadata(); meta)
+            m_mods.append(meta);
+    prepare();
+};
+
+void GetModDependenciesTask::prepare()
+{
+    for (auto sel : m_selected) {
+        for (auto dep : getDependenciesForVersion(sel->version, sel->pack->provider)) {
+            addTask(prepareDependencyTask(dep, sel->pack->provider, 20));
+        }
+    }
+}
+
+ModPlatform::Dependency GetModDependenciesTask::getOverride(const ModPlatform::Dependency& dep,
+                                                            const ModPlatform::ResourceProvider providerName)
+{
+    if (auto isQuilt = m_loaderType & ResourceAPI::Quilt; isQuilt || m_loaderType & ResourceAPI::Fabric) {
+        auto overide = ModPlatform::getOverrideDeps();
+        auto over = std::find_if(overide.cbegin(), overide.cend(), [dep, providerName, isQuilt](auto o) {
+            return o.provider == providerName && dep.addonId == (isQuilt ? o.fabric : o.quilt);
+        });
+        if (over != overide.cend()) {
+            return { isQuilt ? over->quilt : over->fabric, dep.type };
+        }
+    }
+    return dep;
+}
+
+QList<ModPlatform::Dependency> GetModDependenciesTask::getDependenciesForVersion(const ModPlatform::IndexedVersion& version,
+                                                                                 const ModPlatform::ResourceProvider providerName)
+{
+    QList<ModPlatform::Dependency> c_dependencies;
+    for (auto ver_dep : version.dependencies) {
+        if (ver_dep.type != ModPlatform::DependencyType::REQUIRED)
+            continue;
+
+        auto isOnlyVersion = providerName == ModPlatform::ResourceProvider::MODRINTH && ver_dep.addonId.toString().isEmpty();
+        if (auto dep = std::find_if(c_dependencies.begin(), c_dependencies.end(),
+                                    [&ver_dep, isOnlyVersion](const ModPlatform::Dependency& i) {
+                                        return isOnlyVersion ? i.version == ver_dep.version : i.addonId == ver_dep.addonId;
+                                    });
+            dep != c_dependencies.end())
+            continue;  // check the current dependency list
+
+        if (auto dep = std::find_if(m_selected.begin(), m_selected.end(),
+                                    [&ver_dep, providerName, isOnlyVersion](std::shared_ptr<PackDependency> i) {
+                                        return i->pack->provider == providerName && (isOnlyVersion ? i->version.version == ver_dep.version
+                                                                                                   : i->pack->addonId == ver_dep.addonId);
+                                    });
+            dep != m_selected.end())
+            continue;  // check the selected versions
+
+        if (auto dep = std::find_if(m_mods.begin(), m_mods.end(),
+                                    [&ver_dep, providerName, isOnlyVersion](std::shared_ptr<Metadata::ModStruct> i) {
+                                        return i->provider == providerName &&
+                                               (isOnlyVersion ? i->file_id == ver_dep.version : i->project_id == ver_dep.addonId);
+                                    });
+            dep != m_mods.end())
+            continue;  // check the existing mods
+
+        if (auto dep = std::find_if(m_pack_dependencies.begin(), m_pack_dependencies.end(),
+                                    [&ver_dep, providerName, isOnlyVersion](std::shared_ptr<PackDependency> i) {
+                                        return i->pack->provider == providerName && (isOnlyVersion ? i->version.version == ver_dep.addonId
+                                                                                                   : i->pack->addonId == ver_dep.addonId);
+                                    });
+            dep != m_pack_dependencies.end())  // check loaded dependencies
+            continue;
+
+        c_dependencies.append(getOverride(ver_dep, providerName));
+    }
+    return c_dependencies;
+};
+
+Task::Ptr GetModDependenciesTask::getProjectInfoTask(std::shared_ptr<PackDependency> pDep)
+{
+    auto provider = pDep->pack->provider == m_flame_provider.name ? m_flame_provider : m_modrinth_provider;
+    auto responseInfo = std::make_shared<QByteArray>();
+    auto info = provider.api->getProject(pDep->pack->addonId.toString(), responseInfo);
+    QObject::connect(info.get(), &NetJob::succeeded, [responseInfo, provider, pDep] {
+        QJsonParseError parse_error{};
+        QJsonDocument doc = QJsonDocument::fromJson(*responseInfo, &parse_error);
+        if (parse_error.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response for mod info at " << parse_error.offset
+                       << " reason: " << parse_error.errorString();
+            qDebug() << *responseInfo;
+            return;
+        }
+        try {
+            auto obj = provider.name == ModPlatform::ResourceProvider::FLAME ? Json::requireObject(Json::requireObject(doc), "data")
+                                                                             : Json::requireObject(doc);
+            provider.mod->loadIndexedPack(*pDep->pack, obj);
+        } catch (const JSONValidationError& e) {
+            qDebug() << doc;
+            qWarning() << "Error while reading mod info: " << e.cause();
+        }
+    });
+    return info;
+}
+
+Task::Ptr GetModDependenciesTask::prepareDependencyTask(const ModPlatform::Dependency& dep,
+                                                        const ModPlatform::ResourceProvider providerName,
+                                                        int level)
+{
+    auto pDep = std::make_shared<PackDependency>();
+    pDep->dependency = dep;
+    pDep->pack = std::make_shared<ModPlatform::IndexedPack>();
+    pDep->pack->addonId = dep.addonId;
+    pDep->pack->provider = providerName;
+
+    m_pack_dependencies.append(pDep);
+    auto provider = providerName == m_flame_provider.name ? m_flame_provider : m_modrinth_provider;
+
+    auto tasks = makeShared<SequentialTask>(
+        this, QString("DependencyInfo: %1").arg(dep.addonId.toString().isEmpty() ? dep.version : dep.addonId.toString()));
+
+    if (!dep.addonId.toString().isEmpty()) {
+        tasks->addTask(getProjectInfoTask(pDep));
+    }
+
+    ResourceAPI::DependencySearchArgs args = { dep, m_version, m_loaderType };
+    ResourceAPI::DependencySearchCallbacks callbacks;
+
+    callbacks.on_succeed = [dep, provider, pDep, level, this](auto& doc, auto& pack) {
+        try {
+            QJsonArray arr;
+            if (dep.version.length() != 0 && doc.isObject()) {
+                arr.append(doc.object());
+            } else {
+                arr = doc.isObject() ? Json::ensureArray(doc.object(), "data") : doc.array();
+            }
+            pDep->version = provider.mod->loadDependencyVersions(dep, arr);
+            if (!pDep->version.addonId.isValid()) {
+                if (m_loaderType & ResourceAPI::Quilt) {  // falback for quilt
+                    auto overide = ModPlatform::getOverrideDeps();
+                    auto over = std::find_if(overide.cbegin(), overide.cend(),
+                                             [dep, provider](auto o) { return o.provider == provider.name && dep.addonId == o.quilt; });
+                    if (over != overide.cend()) {
+                        removePack(dep.addonId);
+                        addTask(prepareDependencyTask({ over->fabric, dep.type }, provider.name, level));
+                        return;
+                    }
+                }
+                qWarning() << "Error while reading mod version empty ";
+                qDebug() << doc;
+                return;
+            }
+            pDep->version.is_currently_selected = true;
+            pDep->pack->versions = { pDep->version };
+            pDep->pack->versionsLoaded = true;
+
+        } catch (const JSONValidationError& e) {
+            qDebug() << doc;
+            qWarning() << "Error while reading mod version: " << e.cause();
+            return;
+        }
+        if (level == 0) {
+            qWarning() << "Dependency cycle exeeded";
+            return;
+        }
+        if (dep.addonId.toString().isEmpty() && !pDep->version.addonId.toString().isEmpty()) {
+            pDep->pack->addonId = pDep->version.addonId;
+            auto dep = getOverride({ pDep->version.addonId, pDep->dependency.type }, provider.name);
+            if (dep.addonId != pDep->version.addonId) {
+                removePack(pDep->version.addonId);
+                addTask(prepareDependencyTask(dep, provider.name, level));
+            } else
+                addTask(getProjectInfoTask(pDep));
+        }
+        for (auto dep : getDependenciesForVersion(pDep->version, provider.name)) {
+            addTask(prepareDependencyTask(dep, provider.name, level - 1));
+        }
+    };
+
+    auto version = provider.api->getDependencyVersion(std::move(args), std::move(callbacks));
+    tasks->addTask(version);
+    return tasks;
+};
+
+void GetModDependenciesTask::removePack(const QVariant addonId)
+{
+    auto pred = [addonId](const std::shared_ptr<PackDependency>& v) { return v->pack->addonId == addonId; };
+#if QT_VERSION >= QT_VERSION_CHECK(6, 1, 0)
+    m_pack_dependencies.removeIf(pred);
+#else
+    for (auto it = m_pack_dependencies.begin(); it != m_pack_dependencies.end();)
+        if (pred(*it))
+            it = m_pack_dependencies.erase(it);
+        else
+            ++it;
+#endif
+}

launcher/minecraft/mod/tasks/GetModDependenciesTask.h

@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QDir>
+#include <QEventLoop>
+#include <QList>
+#include <QVariant>
+#include <functional>
+#include <memory>
+
+#include "minecraft/mod/MetadataHandler.h"
+#include "minecraft/mod/ModFolderModel.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/ResourceAPI.h"
+#include "tasks/SequentialTask.h"
+#include "tasks/Task.h"
+#include "ui/pages/modplatform/ModModel.h"
+
+class GetModDependenciesTask : public SequentialTask {
+    Q_OBJECT
+   public:
+    using Ptr = shared_qobject_ptr<GetModDependenciesTask>;
+
+    struct PackDependency {
+        ModPlatform::Dependency dependency;
+        ModPlatform::IndexedPack::Ptr pack;
+        ModPlatform::IndexedVersion version;
+        PackDependency() = default;
+        PackDependency(const ModPlatform::IndexedPack::Ptr p, const ModPlatform::IndexedVersion& v)
+        {
+            pack = p;
+            version = v;
+        }
+    };
+
+    struct Provider {
+        ModPlatform::ResourceProvider name;
+        std::shared_ptr<ResourceDownload::ModModel> mod;
+        std::shared_ptr<ResourceAPI> api;
+    };
+
+    explicit GetModDependenciesTask(QObject* parent,
+                                    BaseInstance* instance,
+                                    ModFolderModel* folder,
+                                    QList<std::shared_ptr<PackDependency>> selected);
+
+    auto getDependecies() const -> QList<std::shared_ptr<PackDependency>> { return m_pack_dependencies; }
+
+   protected slots:
+    Task::Ptr prepareDependencyTask(const ModPlatform::Dependency&, const ModPlatform::ResourceProvider, int);
+    QList<ModPlatform::Dependency> getDependenciesForVersion(const ModPlatform::IndexedVersion&,
+                                                             const ModPlatform::ResourceProvider providerName);
+    void prepare();
+    Task::Ptr getProjectInfoTask(std::shared_ptr<PackDependency> pDep);
+    ModPlatform::Dependency getOverride(const ModPlatform::Dependency&, const ModPlatform::ResourceProvider providerName);
+    void removePack(const QVariant addonId);
+
+   private:
+    QList<std::shared_ptr<PackDependency>> m_pack_dependencies;
+    QList<std::shared_ptr<Metadata::ModStruct>> m_mods;
+    QList<std::shared_ptr<PackDependency>> m_selected;
+    Provider m_flame_provider;
+    Provider m_modrinth_provider;
+
+    Version m_version;
+    ResourceAPI::ModLoaderTypes m_loaderType;
+};

launcher/minecraft/mod/tasks/LocalModParseTask.cpp

@@ -52,6 +52,10 @@ ModDetails ReadMCModInfo(QByteArray contents)
             authors = firstObj.value("authors").toArray();
         }
 
+        if (firstObj.contains("logoFile")) {
+            details.icon_file = firstObj.value("logoFile").toString();
+        }
+
         for (auto author : authors) {
             details.authors.append(author.toString());
         }
@@ -166,6 +170,31 @@ ModDetails ReadMCModTOML(QByteArray contents)
     }
     details.homeurl = homeurl;
 
+    QString issueTrackerURL = "";
+    if (auto issueTrackerURLDatum = tomlData["issueTrackerURL"].as_string()) {
+        issueTrackerURL = QString::fromStdString(issueTrackerURLDatum->get());
+    } else if (auto issueTrackerURLDatum = (*modsTable)["issueTrackerURL"].as_string()) {
+        issueTrackerURL = QString::fromStdString(issueTrackerURLDatum->get());
+    }
+    details.issue_tracker = issueTrackerURL;
+
+    QString license = "";
+    if (auto licenseDatum = tomlData["license"].as_string()) {
+        license = QString::fromStdString(licenseDatum->get());
+    } else if (auto licenseDatum =(*modsTable)["license"].as_string()) {
+        license = QString::fromStdString(licenseDatum->get());
+    }
+    if (!license.isEmpty())
+        details.licenses.append(ModLicense(license));
+
+    QString logoFile = "";
+    if (auto logoFileDatum = tomlData["logoFile"].as_string()) {
+        logoFile = QString::fromStdString(logoFileDatum->get());
+    } else if (auto logoFileDatum =(*modsTable)["logoFile"].as_string()) {
+        logoFile = QString::fromStdString(logoFileDatum->get());
+    }
+    details.icon_file = logoFile;
+
     return details;
 }
 
@@ -201,6 +230,57 @@ ModDetails ReadFabricModInfo(QByteArray contents)
             if (contact.contains("homepage")) {
                 details.homeurl = contact.value("homepage").toString();
             }
+            if (contact.contains("issues")) {
+                details.issue_tracker = contact.value("issues").toString();
+            }
+        }
+
+        if (object.contains("license")) {
+            auto license = object.value("license");
+            if (license.isArray()) {
+                for (auto l : license.toArray()) {
+                    if (l.isString()) {
+                        details.licenses.append(ModLicense(l.toString()));
+                    } else if (l.isObject()) {
+                        auto obj = l.toObject();
+                        details.licenses.append(ModLicense(obj.value("name").toString(), obj.value("id").toString(),
+                                                           obj.value("url").toString(), obj.value("description").toString()));
+                    }
+                }
+            } else if (license.isString()) {
+                details.licenses.append(ModLicense(license.toString()));
+            } else if (license.isObject()) {
+                auto obj = license.toObject();
+                details.licenses.append(ModLicense(obj.value("name").toString(), obj.value("id").toString(), obj.value("url").toString(),
+                                                   obj.value("description").toString()));
+            }
+        }
+
+        if (object.contains("icon")) {
+            auto icon = object.value("icon");
+            if (icon.isObject()) {
+                auto obj = icon.toObject();
+                // take the largest icon
+                int largest = 0;
+                for (auto key : obj.keys()) {
+                    auto size = key.split('x').first().toInt();
+                    if (size > largest) {
+                        largest = size;
+                    }
+                }
+                if (largest > 0) {
+                    auto key = QString::number(largest) + "x" + QString::number(largest);
+                    details.icon_file = obj.value(key).toString();
+                } else { // parsing the sizes failed
+                    // take the first
+                    for (auto i : obj) {
+                        details.icon_file = i.toString();
+                        break;
+                    }
+                }
+            } else if (icon.isString()) {
+                details.icon_file = icon.toString();
+            }
         }
     }
     return details;
@@ -238,6 +318,58 @@ ModDetails ReadQuiltModInfo(QByteArray contents)
         if (modContact.contains("homepage")) {
             details.homeurl = Json::requireString(modContact.value("homepage"));
         }
+        if (modContact.contains("issues")) {
+            details.issue_tracker = Json::requireString(modContact.value("issues"));
+        }
+
+        if (modMetadata.contains("license")) {
+            auto license = modMetadata.value("license");
+            if (license.isArray()) {
+                for (auto l : license.toArray()) {
+                    if (l.isString()) {
+                        details.licenses.append(ModLicense(l.toString()));
+                    } else if (l.isObject()) {
+                        auto obj = l.toObject();
+                        details.licenses.append(ModLicense(obj.value("name").toString(), obj.value("id").toString(),
+                                                           obj.value("url").toString(), obj.value("description").toString()));
+                    }
+                }
+            } else if (license.isString()) {
+                details.licenses.append(ModLicense(license.toString()));
+            } else if (license.isObject()) {
+                auto obj = license.toObject();
+                details.licenses.append(ModLicense(obj.value("name").toString(), obj.value("id").toString(), obj.value("url").toString(),
+                                                   obj.value("description").toString()));
+            }
+        }
+
+        if (modMetadata.contains("icon")) {
+            auto icon = modMetadata.value("icon");
+            if (icon.isObject()) {
+                auto obj = icon.toObject();
+                // take the largest icon
+                int largest = 0;
+                for (auto key : obj.keys()) {
+                    auto size = key.split('x').first().toInt();
+                    if (size > largest) {
+                        largest = size;
+                    }
+                }
+                if (largest > 0) {
+                    auto key = QString::number(largest) + "x" + QString::number(largest);
+                    details.icon_file = obj.value(key).toString();
+                } else { // parsing the sizes failed
+                    // take the first
+                    for (auto i : obj) {
+                        details.icon_file = i.toString();
+                        break;
+                    }
+                }
+            } else if (icon.isString()) {
+                details.icon_file = icon.toString();
+            }
+        }
+
     }
     return details;
 }
@@ -515,6 +647,85 @@ bool validate(QFileInfo file)
     return ModUtils::process(mod, ProcessingLevel::BasicInfoOnly) && mod.valid();
 }
 
+bool processIconPNG(const Mod& mod, QByteArray&& raw_data)
+{
+    auto img = QImage::fromData(raw_data);
+    if (!img.isNull()) {
+        mod.setIcon(img);
+    } else {
+        qWarning() << "Failed to parse mod logo:" << mod.iconPath() << "from" << mod.name();
+        return false;
+    }
+    return true;
+}
+
+bool loadIconFile(const Mod& mod) {
+    if (mod.iconPath().isEmpty()) {
+        qWarning() << "No Iconfile set, be sure to parse the mod first";
+        return false;
+    }
+
+    auto png_invalid = [&mod]() {
+        qWarning() << "Mod at" << mod.fileinfo().filePath() << "does not have a valid icon";
+        return false;
+    };
+
+    switch (mod.type()) {
+        case ResourceType::FOLDER:
+        {
+            QFileInfo icon_info(FS::PathCombine(mod.fileinfo().filePath(), mod.iconPath()));
+            if (icon_info.exists() && icon_info.isFile()) {
+                QFile icon(icon_info.filePath());
+                if (!icon.open(QIODevice::ReadOnly))
+                    return false;
+                auto data = icon.readAll();
+                
+                bool icon_result = ModUtils::processIconPNG(mod, std::move(data));
+
+                icon.close();
+
+                if (!icon_result) {
+                    return png_invalid();  // icon invalid
+                }
+            }
+        }
+        case ResourceType::ZIPFILE:
+        {
+            QuaZip zip(mod.fileinfo().filePath());
+            if (!zip.open(QuaZip::mdUnzip))
+                return false;
+
+            QuaZipFile file(&zip);
+
+            if (zip.setCurrentFile(mod.iconPath())) {
+                if (!file.open(QIODevice::ReadOnly)) {
+                    qCritical() << "Failed to open file in zip.";
+                    zip.close();
+                    return png_invalid();
+                }
+
+                auto data = file.readAll();
+
+                bool icon_result = ModUtils::processIconPNG(mod, std::move(data));
+
+                file.close();
+                if (!icon_result) {
+                    return png_invalid();  // icon png invalid
+                }
+            } else {
+                return png_invalid();  // could not set icon as current file.
+            }
+        }
+        case ResourceType::LITEMOD:
+        {
+            return false; // can lightmods even have icons?
+        }
+        default:
+            qWarning() << "Invalid type for mod, can not load icon.";
+            return false;
+    }
+}
+
 }  // namespace ModUtils
 
 LocalModParseTask::LocalModParseTask(int token, ResourceType type, const QFileInfo& modFile)

launcher/minecraft/mod/tasks/LocalModParseTask.h

@@ -25,6 +25,9 @@ bool processLitemod(Mod& mod, ProcessingLevel level = ProcessingLevel::Full);
 
 /** Checks whether a file is valid as a mod or not. */
 bool validate(QFileInfo file);
+
+bool processIconPNG(const Mod& mod, QByteArray&& raw_data);
+bool loadIconFile(const Mod& mod);
 }  // namespace ModUtils
 
 class LocalModParseTask : public Task {

launcher/minecraft/mod/tasks/LocalModUpdateTask.cpp

@@ -1,25 +1,24 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
-*  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
-*  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
-*  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
-*
+ *
-*  This program is free software: you can redistribute it and/or modify
+ *  This program is free software: you can redistribute it and/or modify
-*  it under the terms of the GNU General Public License as published by
+ *  it under the terms of the GNU General Public License as published by
-*  the Free Software Foundation, version 3.
+ *  the Free Software Foundation, version 3.
-*
+ *
-*  This program is distributed in the hope that it will be useful,
+ *  This program is distributed in the hope that it will be useful,
-*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*  GNU General Public License for more details.
+ *  GNU General Public License for more details.
-*
+ *
-*  You should have received a copy of the GNU General Public License
+ *  You should have received a copy of the GNU General Public License
-*  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
+ */
 
 #include "LocalModUpdateTask.h"
 
-#include "Application.h"
 #include "FileSystem.h"
 #include "minecraft/mod/MetadataHandler.h"
 

launcher/minecraft/mod/tasks/LocalResourcePackParseTask.cpp

@@ -165,15 +165,16 @@ bool processZIP(ResourcePack& pack, ProcessingLevel level)
         bool pack_png_result = ResourcePackUtils::processPackPNG(pack, std::move(data));
 
         file.close();
+        zip.close();
         if (!pack_png_result) {
             return png_invalid();  // pack.png invalid
         }
     } else {
+        zip.close();
         return png_invalid();  // could not set pack.mcmeta as current file.
     }
 
     zip.close();
-
     return true;
 }
 
@@ -193,7 +194,7 @@ bool processMCMeta(ResourcePack& pack, QByteArray&& raw_data)
     return true;
 }
 
-bool processPackPNG(ResourcePack& pack, QByteArray&& raw_data)
+bool processPackPNG(const ResourcePack& pack, QByteArray&& raw_data)
 {
     auto img = QImage::fromData(raw_data);
     if (!img.isNull()) {
@@ -205,6 +206,68 @@ bool processPackPNG(ResourcePack& pack, QByteArray&& raw_data)
     return true;
 }
 
+bool processPackPNG(const ResourcePack& pack)
+{   
+    auto png_invalid = [&pack]() {
+        qWarning() << "Resource pack at" << pack.fileinfo().filePath() << "does not have a valid pack.png";
+        return false;
+    };
+
+    switch (pack.type()) {
+        case ResourceType::FOLDER: 
+        {
+            QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
+            if (image_file_info.exists() && image_file_info.isFile()) {
+                QFile pack_png_file(image_file_info.filePath());
+                if (!pack_png_file.open(QIODevice::ReadOnly))
+                    return png_invalid();  // can't open pack.png file
+
+                auto data = pack_png_file.readAll();
+
+                bool pack_png_result = ResourcePackUtils::processPackPNG(pack, std::move(data));
+
+                pack_png_file.close();
+                if (!pack_png_result) {
+                    return png_invalid();  // pack.png invalid
+                }
+            } else {
+                return png_invalid();  // pack.png does not exists or is not a valid file.
+            }
+        }
+        case ResourceType::ZIPFILE:
+        {
+            Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
+
+            QuaZip zip(pack.fileinfo().filePath());
+            if (!zip.open(QuaZip::mdUnzip))
+                return false;  // can't open zip file
+
+            QuaZipFile file(&zip);
+            if (zip.setCurrentFile("pack.png")) {
+                if (!file.open(QIODevice::ReadOnly)) {
+                    qCritical() << "Failed to open file in zip.";
+                    zip.close();
+                    return png_invalid();
+                }
+
+                auto data = file.readAll();
+
+                bool pack_png_result = ResourcePackUtils::processPackPNG(pack, std::move(data));
+
+                file.close();
+                if (!pack_png_result) {
+                    return png_invalid();  // pack.png invalid
+                }
+            } else {
+                return png_invalid();  // could not set pack.mcmeta as current file.
+            }
+        }
+        default:
+            qWarning() << "Invalid type for resource pack parse task!";
+            return false;
+    }
+}
+
 bool validate(QFileInfo file)
 {
     ResourcePack rp{ file };

launcher/minecraft/mod/tasks/LocalResourcePackParseTask.h

@@ -35,7 +35,10 @@ bool processZIP(ResourcePack& pack, ProcessingLevel level = ProcessingLevel::Ful
 bool processFolder(ResourcePack& pack, ProcessingLevel level = ProcessingLevel::Full);
 
 bool processMCMeta(ResourcePack& pack, QByteArray&& raw_data);
-bool processPackPNG(ResourcePack& pack, QByteArray&& raw_data);
+bool processPackPNG(const ResourcePack& pack, QByteArray&& raw_data);
+
+/// processes ONLY the pack.png (rest of the pack may be invalid)
+bool processPackPNG(const ResourcePack& pack);
 
 /** Checks whether a file is valid as a resource pack or not. */
 bool validate(QFileInfo file);

launcher/minecraft/mod/tasks/LocalTexturePackParseTask.cpp

@@ -131,6 +131,7 @@ bool processZIP(TexturePack& pack, ProcessingLevel level)
         bool packPNG_result = TexturePackUtils::processPackPNG(pack, std::move(data));
 
         file.close();
+        zip.close();
         if (!packPNG_result) {
             return false;
         }
@@ -147,7 +148,7 @@ bool processPackTXT(TexturePack& pack, QByteArray&& raw_data)
     return true;
 }
 
-bool processPackPNG(TexturePack& pack, QByteArray&& raw_data)
+bool processPackPNG(const TexturePack& pack, QByteArray&& raw_data)
 {
     auto img = QImage::fromData(raw_data);
     if (!img.isNull()) {
@@ -159,6 +160,70 @@ bool processPackPNG(TexturePack& pack, QByteArray&& raw_data)
     return true;
 }
 
+bool processPackPNG(const TexturePack& pack)
+{   
+    auto png_invalid = [&pack]() {
+        qWarning() << "Texture pack at" << pack.fileinfo().filePath() << "does not have a valid pack.png";
+        return false;
+    };
+
+    switch (pack.type()) {
+        case ResourceType::FOLDER: 
+        {
+            QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
+            if (image_file_info.exists() && image_file_info.isFile()) {
+                QFile pack_png_file(image_file_info.filePath());
+                if (!pack_png_file.open(QIODevice::ReadOnly))
+                    return png_invalid();  // can't open pack.png file
+
+                auto data = pack_png_file.readAll();
+
+                bool pack_png_result = TexturePackUtils::processPackPNG(pack, std::move(data));
+
+                pack_png_file.close();
+                if (!pack_png_result) {
+                    return png_invalid();  // pack.png invalid
+                }
+            } else {
+                return png_invalid();  // pack.png does not exists or is not a valid file.
+            }
+        }
+        case ResourceType::ZIPFILE:
+        {
+            Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
+
+            QuaZip zip(pack.fileinfo().filePath());
+            if (!zip.open(QuaZip::mdUnzip))
+                return false;  // can't open zip file
+
+            QuaZipFile file(&zip);
+            if (zip.setCurrentFile("pack.png")) {
+                if (!file.open(QIODevice::ReadOnly)) {
+                    qCritical() << "Failed to open file in zip.";
+                    zip.close();
+                    return png_invalid();
+                }
+
+                auto data = file.readAll();
+
+                bool pack_png_result = TexturePackUtils::processPackPNG(pack, std::move(data));
+
+                file.close();
+                if (!pack_png_result) {
+                    zip.close();
+                    return png_invalid();  // pack.png invalid
+                }
+            } else {
+                zip.close();
+                return png_invalid();  // could not set pack.mcmeta as current file.
+            }
+        }
+        default:
+            qWarning() << "Invalid type for resource pack parse task!";
+            return false;
+    }
+}
+
 bool validate(QFileInfo file)
 {
     TexturePack rp{ file };

launcher/minecraft/mod/tasks/LocalTexturePackParseTask.h

@@ -36,7 +36,10 @@ bool processZIP(TexturePack& pack, ProcessingLevel level = ProcessingLevel::Full
 bool processFolder(TexturePack& pack, ProcessingLevel level = ProcessingLevel::Full);
 
 bool processPackTXT(TexturePack& pack, QByteArray&& raw_data);
-bool processPackPNG(TexturePack& pack, QByteArray&& raw_data);
+bool processPackPNG(const TexturePack& pack, QByteArray&& raw_data);
+
+/// processes ONLY the pack.png (rest of the pack may be invalid)
+bool processPackPNG(const TexturePack& pack);
 
 /** Checks whether a file is valid as a texture pack or not. */
 bool validate(QFileInfo file);

launcher/modplatform/EnsureMetadataTask.cpp

@@ -10,6 +10,7 @@
 
 #include "modplatform/flame/FlameAPI.h"
 #include "modplatform/flame/FlameModIndex.h"
+#include "modplatform/helpers/HashUtils.h"
 #include "modplatform/modrinth/ModrinthAPI.h"
 #include "modplatform/modrinth/ModrinthPackIndex.h"
 
@@ -24,8 +25,8 @@ EnsureMetadataTask::EnsureMetadataTask(Mod* mod, QDir dir, ModPlatform::Resource
     auto hash_task = createNewHash(mod);
     if (!hash_task)
         return;
-    connect(hash_task.get(), &Task::succeeded, [this, hash_task, mod] { m_mods.insert(hash_task->getResult(), mod); });
+    connect(hash_task.get(), &Hashing::Hasher::resultsReady, [this, mod](QString hash) { m_mods.insert(hash, mod); });
-    connect(hash_task.get(), &Task::failed, [this, hash_task, mod] { emitFail(mod, "", RemoveFromList::No); });
+    connect(hash_task.get(), &Task::failed, [this, mod] { emitFail(mod, "", RemoveFromList::No); });
     hash_task->start();
 }
 
@@ -37,8 +38,8 @@ EnsureMetadataTask::EnsureMetadataTask(QList<Mod*>& mods, QDir dir, ModPlatform:
         auto hash_task = createNewHash(mod);
         if (!hash_task)
             continue;
-        connect(hash_task.get(), &Task::succeeded, [this, hash_task, mod] { m_mods.insert(hash_task->getResult(), mod); });
+        connect(hash_task.get(), &Hashing::Hasher::resultsReady, [this, mod](QString hash) { m_mods.insert(hash, mod); });
-        connect(hash_task.get(), &Task::failed, [this, hash_task, mod] { emitFail(mod, "", RemoveFromList::No); });
+        connect(hash_task.get(), &Task::failed, [this, mod] { emitFail(mod, "", RemoveFromList::No); });
         m_hashing_task->addTask(hash_task);
     }
 }
@@ -212,12 +213,12 @@ Task::Ptr EnsureMetadataTask::modrinthVersionsTask()
 {
     auto hash_type = ProviderCaps.hashType(ModPlatform::ResourceProvider::MODRINTH).first();
 
-    auto* response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto ver_task = modrinth_api.currentVersions(m_mods.keys(), hash_type, response);
 
     // Prevents unfortunate timings when aborting the task
     if (!ver_task)
-        return Task::Ptr{nullptr};
+        return Task::Ptr{ nullptr };
 
     connect(ver_task.get(), &Task::succeeded, this, [this, response] {
         QJsonParseError parse_error{};
@@ -264,7 +265,7 @@ Task::Ptr EnsureMetadataTask::modrinthProjectsTask()
     for (auto const& data : m_temp_versions)
         addonIds.insert(data.addonId.toString(), data.hash);
 
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     Task::Ptr proj_task;
 
     if (addonIds.isEmpty()) {
@@ -277,7 +278,7 @@ Task::Ptr EnsureMetadataTask::modrinthProjectsTask()
 
     // Prevents unfortunate timings when aborting the task
     if (!proj_task)
-        return Task::Ptr{nullptr};
+        return Task::Ptr{ nullptr };
 
     connect(proj_task.get(), &Task::succeeded, this, [this, response, addonIds] {
         QJsonParseError parse_error{};
@@ -345,7 +346,7 @@ Task::Ptr EnsureMetadataTask::modrinthProjectsTask()
 // Flame
 Task::Ptr EnsureMetadataTask::flameVersionsTask()
 {
-    auto* response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
 
     QList<uint> fingerprints;
     for (auto& murmur : m_mods.keys()) {
@@ -413,7 +414,7 @@ Task::Ptr EnsureMetadataTask::flameProjectsTask()
     QHash<QString, QString> addonIds;
     for (auto const& hash : m_mods.keys()) {
         if (m_temp_versions.contains(hash)) {
-            auto const& data = m_temp_versions.find(hash).value();
+            auto data = m_temp_versions.find(hash).value();
 
             auto id_str = data.addonId.toString();
             if (!id_str.isEmpty())
@@ -421,7 +422,7 @@ Task::Ptr EnsureMetadataTask::flameProjectsTask()
         }
     }
 
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     Task::Ptr proj_task;
 
     if (addonIds.isEmpty()) {
@@ -434,7 +435,7 @@ Task::Ptr EnsureMetadataTask::flameProjectsTask()
 
     // Prevents unfortunate timings when aborting the task
     if (!proj_task)
-        return Task::Ptr{nullptr};
+        return Task::Ptr{ nullptr };
 
     connect(proj_task.get(), &Task::succeeded, this, [this, response, addonIds] {
         QJsonParseError parse_error{};

launcher/modplatform/ModIndex.h

@@ -1,20 +1,21 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
-*  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
-*  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
-*
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
-*  This program is free software: you can redistribute it and/or modify
+ *
-*  it under the terms of the GNU General Public License as published by
+ *  This program is free software: you can redistribute it and/or modify
-*  the Free Software Foundation, version 3.
+ *  it under the terms of the GNU General Public License as published by
-*
+ *  the Free Software Foundation, version 3.
-*  This program is distributed in the hope that it will be useful,
+ *
-*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  This program is distributed in the hope that it will be useful,
-*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-*  GNU General Public License for more details.
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*
+ *  GNU General Public License for more details.
-*  You should have received a copy of the GNU General Public License
+ *
-*  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *  You should have received a copy of the GNU General Public License
-*/
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
@@ -33,6 +34,8 @@ enum class ResourceProvider { MODRINTH, FLAME };
 
 enum class ResourceType { MOD, RESOURCE_PACK, SHADER_PACK };
 
+enum class DependencyType { REQUIRED, OPTIONAL, INCOMPATIBLE, EMBEDDED, TOOL, INCLUDE, UNKNOWN };
+
 class ProviderCapabilities {
    public:
     auto name(ResourceProvider) -> const char*;
@@ -52,6 +55,12 @@ struct DonationData {
     QString url;
 };
 
+struct Dependency {
+    QVariant addonId;
+    DependencyType type;
+    QString version;
+};
+
 struct IndexedVersion {
     QVariant addonId;
     QVariant fileId;
@@ -66,10 +75,10 @@ struct IndexedVersion {
     QString hash;
     bool is_preferred = true;
     QString changelog;
+    QList<Dependency> dependencies;
 
     // For internal use, not provided by APIs
     bool is_currently_selected = false;
-    QString custom_target_folder;
 };
 
 struct ExtraPackData {
@@ -116,12 +125,28 @@ struct IndexedPack {
         if (!versionsLoaded)
             return false;
 
-        return std::any_of(versions.constBegin(), versions.constEnd(),
+        return std::any_of(versions.constBegin(), versions.constEnd(), [](auto const& v) { return v.is_currently_selected; });
-                [](auto const& v) { return v.is_currently_selected; });
     }
 };
 
+struct OverrideDep {
+    QString quilt;
+    QString fabric;
+    QString slug;
+    ModPlatform::ResourceProvider provider;
+};
+
+inline auto getOverrideDeps() -> QList<OverrideDep>
+{
+    return { { "634179", "306612", "API", ModPlatform::ResourceProvider::FLAME },
+             { "720410", "308769", "KotlinLibraries", ModPlatform::ResourceProvider::FLAME },
+
+             { "qvIfYCYJ", "P7dR8mSH", "API", ModPlatform::ResourceProvider::MODRINTH },
+             { "lwVhp9o5", "Ha28R6CL", "KotlinLibraries", ModPlatform::ResourceProvider::MODRINTH } };
+};
+
 }  // namespace ModPlatform
 
 Q_DECLARE_METATYPE(ModPlatform::IndexedPack)
+Q_DECLARE_METATYPE(ModPlatform::IndexedPack::Ptr)
 Q_DECLARE_METATYPE(ModPlatform::ResourceProvider)

launcher/modplatform/ResourceAPI.h

@@ -111,6 +111,16 @@ class ResourceAPI {
         std::function<void(QJsonDocument&, ModPlatform::IndexedPack)> on_succeed;
     };
 
+    struct DependencySearchArgs {
+        ModPlatform::Dependency dependency;
+        Version mcVersion;
+        ModLoaderTypes loader;
+    };
+
+    struct DependencySearchCallbacks {
+        std::function<void(QJsonDocument&, const ModPlatform::Dependency&)> on_succeed;
+    };
+
    public:
     /** Gets a list of available sorting methods for this API. */
     [[nodiscard]] virtual auto getSortingMethods() const -> QList<SortingMethod> = 0;
@@ -121,14 +131,12 @@ class ResourceAPI {
         qWarning() << "TODO: ResourceAPI::searchProjects";
         return nullptr;
     }
-    /** getProject(QString addonId, QByteArray* responce)*/
+    [[nodiscard]] virtual Task::Ptr getProject(QString addonId, std::shared_ptr<QByteArray> response) const
-    [[nodiscard]] virtual Task::Ptr getProject(QString, QByteArray*) const
     {
         qWarning() << "TODO: ResourceAPI::getProject";
         return nullptr;
     }
-    /** getProjects(QStringList addonIds, QByteArray* responce) */
+    [[nodiscard]] virtual Task::Ptr getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const
-    [[nodiscard]] virtual Task::Ptr getProjects(QStringList, QByteArray*) const
     {
         qWarning() << "TODO: ResourceAPI::getProjects";
         return nullptr;
@@ -145,6 +153,12 @@ class ResourceAPI {
         return nullptr;
     }
 
+    [[nodiscard]] virtual Task::Ptr getDependencyVersion(DependencySearchArgs&&, DependencySearchCallbacks&&) const
+    {
+        qWarning() << "TODO";
+        return nullptr;
+    }
+
     static auto getModLoaderString(ModLoaderType type) -> const QString
     {
         switch (type) {

launcher/modplatform/atlauncher/ATLPackInstallTask.cpp

@@ -82,9 +82,9 @@ void PackInstallTask::executeTask()
 {
     qDebug() << "PackInstallTask::executeTask: " << QThread::currentThreadId();
     NetJob::Ptr netJob{ new NetJob("ATLauncher::VersionFetch", APPLICATION->network()) };
-    auto searchUrl = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json")
+    auto searchUrl =
-            .arg(m_pack_safe_name).arg(m_version_name);
+        QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json").arg(m_pack_safe_name).arg(m_version_name);
-    netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
+    netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), response));
 
     QObject::connect(netJob.get(), &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
     QObject::connect(netJob.get(), &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
@@ -99,11 +99,12 @@ void PackInstallTask::onDownloadSucceeded()
     qDebug() << "PackInstallTask::onDownloadSucceeded: " << QThread::currentThreadId();
     jobPtr.reset();
 
-    QJsonParseError parse_error {};
+    QJsonParseError parse_error{};
-    QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
+    QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
-    if(parse_error.error != QJsonParseError::NoError) {
+    if (parse_error.error != QJsonParseError::NoError) {
-        qWarning() << "Error while parsing JSON response from ATLauncher at " << parse_error.offset << " reason: " << parse_error.errorString();
+        qWarning() << "Error while parsing JSON response from ATLauncher at " << parse_error.offset
-        qWarning() << response;
+                   << " reason: " << parse_error.errorString();
+        qWarning() << *response.get();
         return;
     }
     auto obj = doc.object();
@@ -352,7 +353,7 @@ QString PackInstallTask::getVersionForLoader(QString uid)
         if(m_version.loader.recommended || m_version.loader.latest) {
             for (int i = 0; i < vlist->versions().size(); i++) {
                 auto version = vlist->versions().at(i);
-                auto reqs = version->requires();
+                auto reqs = version->requiredSet();
 
                 // filter by minecraft version, if the loader depends on a certain version.
                 // not all mod loaders depend on a given Minecraft version, so we won't do this

launcher/modplatform/atlauncher/ATLPackInstallTask.h

@@ -40,12 +40,13 @@
 #include "ATLPackManifest.h"
 
 #include "InstanceTask.h"
-#include "net/NetJob.h"
+#include "meta/Version.h"
-#include "settings/INISettingsObject.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
-#include "meta/Version.h"
+#include "net/NetJob.h"
+#include "settings/INISettingsObject.h"
 
+#include <memory>
 #include <optional>
 
 namespace ATLauncher {
@@ -57,8 +58,7 @@ enum class InstallMode {
 };
 
 class UserInteractionSupport {
-
+   public:
-public:
     /**
      * Requests a user interaction to select which optional mods should be installed.
      */
@@ -74,23 +74,27 @@ public:
      * Requests a user interaction to display a message.
      */
     virtual void displayMessage(QString message) = 0;
+
+    virtual ~UserInteractionSupport() = default;
 };
 
-class PackInstallTask : public InstanceTask
+class PackInstallTask : public InstanceTask {
-{
+    Q_OBJECT
-Q_OBJECT
 
-public:
+   public:
-    explicit PackInstallTask(UserInteractionSupport *support, QString packName, QString version, InstallMode installMode = InstallMode::Install);
+    explicit PackInstallTask(UserInteractionSupport* support,
-    virtual ~PackInstallTask(){}
+                             QString packName,
+                             QString version,
+                             InstallMode installMode = InstallMode::Install);
+    virtual ~PackInstallTask() { delete m_support; }
 
     bool canAbort() const override { return true; }
     bool abort() override;
 
-protected:
+   protected:
     virtual void executeTask() override;
 
-private slots:
+   private slots:
     void onDownloadSucceeded();
     void onDownloadFailed(QString reason);
     void onDownloadAborted();
@@ -98,7 +102,7 @@ private slots:
     void onModsDownloaded();
     void onModsExtracted();
 
-private:
+   private:
     QString getDirForModType(ModType type, QString raw);
     QString getVersionForLoader(QString uid);
     QString detectLibrary(VersionLibrary library);
@@ -110,20 +114,18 @@ private:
     void installConfigs();
     void extractConfigs();
     void downloadMods();
-    bool extractMods(
+    bool extractMods(const QMap<QString, VersionMod>& toExtract,
-        const QMap<QString, VersionMod> &toExtract,
+                     const QMap<QString, VersionMod>& toDecomp,
-        const QMap<QString, VersionMod> &toDecomp,
+                     const QMap<QString, QString>& toCopy);
-        const QMap<QString, QString> &toCopy
-    );
     void install();
 
-private:
+   private:
-    UserInteractionSupport *m_support;
+    UserInteractionSupport* m_support;
 
     bool abortable = false;
 
     NetJob::Ptr jobPtr;
-    QByteArray response;
+    std::shared_ptr<QByteArray> response = std::make_shared<QByteArray>();
 
     InstallMode m_install_mode;
     QString m_pack_name;
@@ -145,7 +147,6 @@ private:
 
     QFuture<bool> m_modExtractFuture;
     QFutureWatcher<bool> m_modExtractFutureWatcher;
-
 };
 
-}
+}  // namespace ATLauncher

launcher/modplatform/flame/FileResolvingTask.cpp

@@ -25,15 +25,16 @@ void Flame::FileResolvingTask::executeTask()
     setProgress(0, 3);
     m_dljob.reset(new NetJob("Mod id resolver", m_network));
     result.reset(new QByteArray());
-    //build json data to send
+    // build json data to send
     QJsonObject object;
 
-    object["fileIds"] = QJsonArray::fromVariantList(std::accumulate(m_toProcess.files.begin(), m_toProcess.files.end(), QVariantList(), [](QVariantList& l, const File& s) {
+    object["fileIds"] = QJsonArray::fromVariantList(
-        l.push_back(s.fileId);
+        std::accumulate(m_toProcess.files.begin(), m_toProcess.files.end(), QVariantList(), [](QVariantList& l, const File& s) {
-        return l;
+            l.push_back(s.fileId);
-    }));
+            return l;
+        }));
     QByteArray data = Json::toText(object);
-    auto dl = Net::Upload::makeByteArray(QUrl("https://api.curseforge.com/v1/mods/files"), result.get(), data);
+    auto dl = Net::Upload::makeByteArray(QUrl("https://api.curseforge.com/v1/mods/files"), result, data);
     m_dljob->addNetAction(dl);
 
     auto step_progress = std::make_shared<TaskStepProgress>();
@@ -87,17 +88,15 @@ void Flame::FileResolvingTask::netJobFinished()
         auto fileid = Json::requireInteger(Json::requireObject(file)["id"]);
         auto& out = m_toProcess.files[fileid];
         try {
-           out.parseFromObject(Json::requireObject(file));
+            out.parseFromObject(Json::requireObject(file));
         } catch (const JSONValidationError& e) {
             qDebug() << "Blocked mod on curseforge" << out.fileName;
             auto hash = out.hash;
-            if(!hash.isEmpty()) {
+            if (!hash.isEmpty()) {
                 auto url = QString("https://api.modrinth.com/v2/version_file/%1?algorithm=sha1").arg(hash);
                 auto output = std::make_shared<QByteArray>();
-                auto dl = Net::Download::makeByteArray(QUrl(url), output.get());
+                auto dl = Net::Download::makeByteArray(QUrl(url), output);
-                QObject::connect(dl.get(), &Net::Download::succeeded, [&out]() {
+                QObject::connect(dl.get(), &Net::Download::succeeded, [&out]() { out.resolved = true; });
-                    out.resolved = true;
-                });
 
                 m_checkJob->addNetAction(dl);
                 blockedProjects.insert(&out, output);
@@ -169,7 +168,7 @@ void Flame::FileResolvingTask::modrinthCheckFinished() {
             auto projectId = mod->projectId;
             auto output = std::make_shared<QByteArray>();
             auto url = QString("https://api.curseforge.com/v1/mods/%1").arg(projectId);
-            auto dl = Net::Download::makeByteArray(url, output.get());
+            auto dl = Net::Download::makeByteArray(url, output);
             qDebug() << "Fetching url slug for file:" << mod->fileName;
             QObject::connect(dl.get(), &Net::Download::succeeded, [block, index, output]() {
                 auto mod = block->at(index);  // use the shared_ptr so it is captured and only freed when we are done

launcher/modplatform/flame/FlameAPI.cpp

@@ -11,7 +11,7 @@
 #include "net/NetJob.h"
 #include "net/Upload.h"
 
-Task::Ptr FlameAPI::matchFingerprints(const QList<uint>& fingerprints, QByteArray* response)
+Task::Ptr FlameAPI::matchFingerprints(const QList<uint>& fingerprints, std::shared_ptr<QByteArray> response)
 {
     auto netJob = makeShared<NetJob>(QString("Flame::MatchFingerprints"), APPLICATION->network());
 
@@ -28,8 +28,6 @@ Task::Ptr FlameAPI::matchFingerprints(const QList<uint>& fingerprints, QByteArra
 
     netJob->addNetAction(Net::Upload::makeByteArray(QString("https://api.curseforge.com/v1/fingerprints"), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
-
     return netJob;
 }
 
@@ -43,7 +41,7 @@ auto FlameAPI::getModFileChangelog(int modId, int fileId) -> QString
     netJob->addNetAction(Net::Download::makeByteArray(
         QString("https://api.curseforge.com/v1/mods/%1/files/%2/changelog")
             .arg(QString::fromStdString(std::to_string(modId)), QString::fromStdString(std::to_string(fileId))),
-        response.get()));
+        response));
 
     QObject::connect(netJob.get(), &NetJob::succeeded, [&netJob, response, &changelog] {
         QJsonParseError parse_error{};
@@ -75,8 +73,8 @@ auto FlameAPI::getModDescription(int modId) -> QString
 
     auto netJob = makeShared<NetJob>(QString("Flame::ModDescription"), APPLICATION->network());
     auto response = std::make_shared<QByteArray>();
-    netJob->addNetAction(Net::Download::makeByteArray(
+    netJob->addNetAction(
-        QString("https://api.curseforge.com/v1/mods/%1/description").arg(QString::number(modId)), response.get()));
+        Net::Download::makeByteArray(QString("https://api.curseforge.com/v1/mods/%1/description").arg(QString::number(modId)), response));
 
     QObject::connect(netJob.get(), &NetJob::succeeded, [&netJob, response, &description] {
         QJsonParseError parse_error{};
@@ -115,7 +113,7 @@ auto FlameAPI::getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::Indexe
     auto response = std::make_shared<QByteArray>();
     ModPlatform::IndexedVersion ver;
 
-    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response.get()));
+    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
 
     QObject::connect(netJob.get(), &NetJob::succeeded, [response, args, &ver] {
         QJsonParseError parse_error{};
@@ -137,7 +135,7 @@ auto FlameAPI::getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::Indexe
             for (auto file : arr) {
                 auto file_obj = Json::requireObject(file);
                 auto file_tmp = FlameMod::loadIndexedPackVersion(file_obj);
-                if(file_tmp.date > ver_tmp.date) {
+                if (file_tmp.date > ver_tmp.date) {
                     ver_tmp = file_tmp;
                     latest_file_obj = file_obj;
                 }
@@ -160,7 +158,7 @@ auto FlameAPI::getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::Indexe
     return ver;
 }
 
-Task::Ptr FlameAPI::getProjects(QStringList addonIds, QByteArray* response) const
+Task::Ptr FlameAPI::getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const
 {
     auto netJob = makeShared<NetJob>(QString("Flame::GetProjects"), APPLICATION->network());
 
@@ -177,13 +175,12 @@ Task::Ptr FlameAPI::getProjects(QStringList addonIds, QByteArray* response) cons
 
     netJob->addNetAction(Net::Upload::makeByteArray(QString("https://api.curseforge.com/v1/mods"), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
     QObject::connect(netJob.get(), &NetJob::failed, [body_raw] { qDebug() << body_raw; });
 
     return netJob;
 }
 
-Task::Ptr FlameAPI::getFiles(const QStringList& fileIds, QByteArray* response) const
+Task::Ptr FlameAPI::getFiles(const QStringList& fileIds, std::shared_ptr<QByteArray> response) const
 {
     auto netJob = makeShared<NetJob>(QString("Flame::GetFiles"), APPLICATION->network());
 
@@ -200,7 +197,6 @@ Task::Ptr FlameAPI::getFiles(const QStringList& fileIds, QByteArray* response) c
 
     netJob->addNetAction(Net::Upload::makeByteArray(QString("https://api.curseforge.com/v1/mods/files"), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
     QObject::connect(netJob.get(), &NetJob::failed, [body_raw] { qDebug() << body_raw; });
 
     return netJob;

launcher/modplatform/flame/FlameAPI.h

@@ -4,7 +4,10 @@
 
 #pragma once
 
+#include <algorithm>
+#include <memory>
 #include "modplatform/ModIndex.h"
+#include "modplatform/ResourceAPI.h"
 #include "modplatform/helpers/NetworkResourceAPI.h"
 
 class FlameAPI : public NetworkResourceAPI {
@@ -14,9 +17,9 @@ class FlameAPI : public NetworkResourceAPI {
 
     auto getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::IndexedVersion;
 
-    Task::Ptr getProjects(QStringList addonIds, QByteArray* response) const override;
+    Task::Ptr getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const override;
-    Task::Ptr matchFingerprints(const QList<uint>& fingerprints, QByteArray* response);
+    Task::Ptr matchFingerprints(const QList<uint>& fingerprints, std::shared_ptr<QByteArray> response);
-    Task::Ptr getFiles(const QStringList& fileIds, QByteArray* response) const;
+    Task::Ptr getFiles(const QStringList& fileIds, std::shared_ptr<QByteArray> response) const;
 
     [[nodiscard]] auto getSortingMethods() const -> QList<ResourceAPI::SortingMethod> override;
 
@@ -41,14 +44,15 @@ class FlameAPI : public NetworkResourceAPI {
             return 4;
         // TODO: remove this once Quilt drops official Fabric support
         if (loaders & Quilt)  // NOTE: Most if not all Fabric mods should work *currently*
-            return 4;  // Quilt would probably be 5
+            return 4;         // Quilt would probably be 5
         return 0;
     }
 
    private:
     [[nodiscard]] std::optional<QString> getSearchURL(SearchArgs const& args) const override
     {
-        auto gameVersionStr = args.versions.has_value() ? QString("gameVersion=%1").arg(args.versions.value().front().toString()) : QString();
+        auto gameVersionStr =
+            args.versions.has_value() ? QString("gameVersion=%1").arg(args.versions.value().front().toString()) : QString();
 
         QStringList get_arguments;
         get_arguments.append(QString("classId=%1").arg(getClassId(args.type)));
@@ -73,14 +77,48 @@ class FlameAPI : public NetworkResourceAPI {
 
     [[nodiscard]] std::optional<QString> getVersionsURL(VersionSearchArgs const& args) const override
     {
-        QString url{QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&").arg(args.pack.addonId.toString())};
+        auto addonId = args.pack.addonId.toString();
+        QString url{ QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&").arg(addonId) };
 
         QStringList get_parameters;
         if (args.mcVersions.has_value())
             get_parameters.append(QString("gameVersion=%1").arg(args.mcVersions.value().front().toString()));
-        if (args.loaders.has_value())
+
-            get_parameters.append(QString("modLoaderType=%1").arg(getMappedModLoader(args.loaders.value())));
+        if (args.loaders.has_value()) {
+            int mappedModLoader = getMappedModLoader(args.loaders.value());
+
+            if (args.loaders.value() & Quilt) {
+                auto overide = ModPlatform::getOverrideDeps();
+                auto over = std::find_if(overide.cbegin(), overide.cend(), [addonId](auto dep) {
+                    return dep.provider == ModPlatform::ResourceProvider::FLAME && addonId == dep.quilt;
+                });
+                if (over != overide.cend()) {
+                    mappedModLoader = 5;
+                }
+            }
+
+            get_parameters.append(QString("modLoaderType=%1").arg(mappedModLoader));
+        }
 
         return url + get_parameters.join('&');
     };
+
+    [[nodiscard]] std::optional<QString> getDependencyURL(DependencySearchArgs const& args) const override
+    {
+        auto mappedModLoader = getMappedModLoader(args.loader);
+        auto addonId = args.dependency.addonId.toString();
+        if (args.loader & Quilt) {
+            auto overide = ModPlatform::getOverrideDeps();
+            auto over = std::find_if(overide.cbegin(), overide.cend(), [addonId](auto dep) {
+                return dep.provider == ModPlatform::ResourceProvider::FLAME && addonId == dep.quilt;
+            });
+            if (over != overide.cend()) {
+                mappedModLoader = 5;
+            }
+        }
+        return QString("https://api.curseforge.com/v1/mods/%1/files?pageSize=10000&gameVersion=%2&modLoaderType=%3")
+            .arg(addonId)
+            .arg(args.mcVersion.toString())
+            .arg(mappedModLoader);
+    };
 };

launcher/modplatform/flame/FlameCheckUpdate.cpp

@@ -3,6 +3,7 @@
 #include "FlameModIndex.h"
 
 #include <MurmurHash2.h>
+#include <memory>
 
 #include "FileSystem.h"
 #include "Json.h"
@@ -30,7 +31,7 @@ ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info)
 
     auto get_project_job = new NetJob("Flame::GetProjectJob", APPLICATION->network());
 
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto url = QString("https://api.curseforge.com/v1/mods/%1").arg(ver_info.addonId.toString());
     auto dl = Net::Download::makeByteArray(url, response);
     get_project_job->addNetAction(dl);
@@ -74,7 +75,7 @@ ModPlatform::IndexedVersion getFileInfo(int addonId, int fileId)
 
     auto get_file_info_job = new NetJob("Flame::GetFileInfoJob", APPLICATION->network());
 
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto url = QString("https://api.curseforge.com/v1/mods/%1/files/%2").arg(QString::number(addonId), QString::number(fileId));
     auto dl = Net::Download::makeByteArray(url, response);
     get_file_info_job->addNetAction(dl);
@@ -129,8 +130,7 @@ void FlameCheckUpdate::executeTask()
         setStatus(tr("Getting API response from CurseForge for '%1'...").arg(mod->name()));
         setProgress(i++, m_mods.size());
 
-        ModPlatform::IndexedPack pack{ mod->metadata()->project_id.toString() };
+        auto latest_ver = api.getLatestVersion({ { mod->metadata()->project_id.toString() }, m_game_versions, m_loaders });
-        auto latest_ver = api.getLatestVersion({ pack, m_game_versions, m_loaders });
 
         // Check if we were aborted while getting the latest version
         if (m_was_aborted) {
@@ -156,15 +156,15 @@ void FlameCheckUpdate::executeTask()
 
         if (!latest_ver.hash.isEmpty() && (mod->metadata()->hash != latest_ver.hash || mod->status() == ModStatus::NotInstalled)) {
             // Fake pack with the necessary info to pass to the download task :)
-            ModPlatform::IndexedPack pack;
+            auto pack = std::make_shared<ModPlatform::IndexedPack>();
-            pack.name = mod->name();
+            pack->name = mod->name();
-            pack.slug = mod->metadata()->slug;
+            pack->slug = mod->metadata()->slug;
-            pack.addonId = mod->metadata()->project_id;
+            pack->addonId = mod->metadata()->project_id;
-            pack.websiteUrl = mod->homeurl();
+            pack->websiteUrl = mod->homeurl();
             for (auto& author : mod->authors())
-                pack.authors.append({ author });
+                pack->authors.append({ author });
-            pack.description = mod->description();
+            pack->description = mod->description();
-            pack.provider = ModPlatform::ResourceProvider::FLAME;
+            pack->provider = ModPlatform::ResourceProvider::FLAME;
 
             auto old_version = mod->version();
             if (old_version.isEmpty() && mod->status() != ModStatus::NotInstalled) {
@@ -173,7 +173,7 @@ void FlameCheckUpdate::executeTask()
             }
 
             auto download_task = makeShared<ResourceDownloadTask>(pack, latest_ver, m_mods_folder);
-            m_updatable.emplace_back(pack.name, mod->metadata()->hash, old_version, latest_ver.version,
+            m_updatable.emplace_back(pack->name, mod->metadata()->hash, old_version, latest_ver.version,
                                      api.getModFileChangelog(latest_ver.addonId.toInt(), latest_ver.fileId.toInt()),
                                      ModPlatform::ResourceProvider::FLAME, download_task);
         }

launcher/modplatform/flame/FlameInstanceCreationTask.cpp

@@ -153,6 +153,9 @@ bool FlameCreationTask::updateInstance()
 
                     old_files.remove(file.key());
                     files_iterator = files.erase(files_iterator);
+
+                    if (files_iterator != files.begin())
+                        files_iterator--;
                 }
             }
 
@@ -179,7 +182,7 @@ bool FlameCreationTask::updateInstance()
             fileIds.append(QString::number(file.fileId));
         }
 
-        auto* raw_response = new QByteArray;
+        auto raw_response = std::make_shared<QByteArray>();
         auto job = api.getFiles(fileIds, raw_response);
 
         QEventLoop loop;

launcher/modplatform/flame/FlameModIndex.cpp

@@ -39,15 +39,15 @@ void FlameMod::loadURLs(ModPlatform::IndexedPack& pack, QJsonObject& obj)
     auto links_obj = Json::ensureObject(obj, "links");
 
     pack.extraData.issuesUrl = Json::ensureString(links_obj, "issuesUrl");
-    if(pack.extraData.issuesUrl.endsWith('/'))
+    if (pack.extraData.issuesUrl.endsWith('/'))
         pack.extraData.issuesUrl.chop(1);
 
     pack.extraData.sourceUrl = Json::ensureString(links_obj, "sourceUrl");
-    if(pack.extraData.sourceUrl.endsWith('/'))
+    if (pack.extraData.sourceUrl.endsWith('/'))
         pack.extraData.sourceUrl.chop(1);
 
     pack.extraData.wikiUrl = Json::ensureString(links_obj, "wikiUrl");
-    if(pack.extraData.wikiUrl.endsWith('/'))
+    if (pack.extraData.wikiUrl.endsWith('/'))
         pack.extraData.wikiUrl.chop(1);
 
     if (!pack.extraData.body.isEmpty())
@@ -56,7 +56,7 @@ void FlameMod::loadURLs(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 
 void FlameMod::loadBody(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 {
-    pack.extraData.body  = api.getModDescription(pack.addonId.toInt());
+    pack.extraData.body = api.getModDescription(pack.addonId.toInt());
 
     if (!pack.extraData.issuesUrl.isEmpty() || !pack.extraData.sourceUrl.isEmpty() || !pack.extraData.wikiUrl.isEmpty())
         pack.extraDataLoaded = true;
@@ -64,12 +64,12 @@ void FlameMod::loadBody(ModPlatform::IndexedPack& pack, QJsonObject& obj)
 
 static QString enumToString(int hash_algorithm)
 {
-    switch(hash_algorithm){
+    switch (hash_algorithm) {
-    default:
+        default:
-    case 1:
+        case 1:
-        return "sha1";
+            return "sha1";
-    case 2:
+        case 2:
-        return "md5";
+            return "md5";
     }
 }
 
@@ -84,12 +84,12 @@ void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
 
     for (auto versionIter : arr) {
         auto obj = versionIter.toObject();
-        
+
         auto file = loadIndexedPackVersion(obj);
-        if(!file.addonId.isValid())
+        if (!file.addonId.isValid())
             file.addonId = pack.addonId;
 
-        if(file.fileId.isValid()) // Heuristic to check if the returned value is valid
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
             unsortedVersions.append(file);
     }
 
@@ -136,8 +136,61 @@ auto FlameMod::loadIndexedPackVersion(QJsonObject& obj, bool load_changelog) ->
         }
     }
 
-    if(load_changelog)
+    auto dependencies = Json::ensureArray(obj, "dependencies");
+    for (auto d : dependencies) {
+        auto dep = Json::ensureObject(d);
+        ModPlatform::Dependency dependency;
+        dependency.addonId = Json::requireInteger(dep, "modId");
+        switch (Json::requireInteger(dep, "relationType")) {
+            case 1:  // EmbeddedLibrary
+                dependency.type = ModPlatform::DependencyType::EMBEDDED;
+                break;
+            case 2:  // OptionalDependency
+                dependency.type = ModPlatform::DependencyType::OPTIONAL;
+                break;
+            case 3:  // RequiredDependency
+                dependency.type = ModPlatform::DependencyType::REQUIRED;
+                break;
+            case 4:  // Tool
+                dependency.type = ModPlatform::DependencyType::TOOL;
+                break;
+            case 5:  // Incompatible
+                dependency.type = ModPlatform::DependencyType::INCOMPATIBLE;
+                break;
+            case 6:  // Include
+                dependency.type = ModPlatform::DependencyType::INCLUDE;
+                break;
+            default:
+                dependency.type = ModPlatform::DependencyType::UNKNOWN;
+                break;
+        }
+        file.dependencies.append(dependency);
+    }
+
+    if (load_changelog)
         file.changelog = api.getModFileChangelog(file.addonId.toInt(), file.fileId.toInt());
 
     return file;
 }
+
+ModPlatform::IndexedVersion FlameMod::loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArray& arr)
+{
+    QVector<ModPlatform::IndexedVersion> versions;
+    for (auto versionIter : arr) {
+        auto obj = versionIter.toObject();
+
+        auto file = loadIndexedPackVersion(obj);
+        if (!file.addonId.isValid())
+            file.addonId = m.addonId;
+
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
+            versions.append(file);
+    }
+
+    auto orderSortPredicate = [](const ModPlatform::IndexedVersion& a, const ModPlatform::IndexedVersion& b) -> bool {
+        // dates are in RFC 3339 format
+        return a.date > b.date;
+    };
+    std::sort(versions.begin(), versions.end(), orderSortPredicate);
+    return versions.front();
+};

launcher/modplatform/flame/FlameModIndex.h

@@ -6,8 +6,8 @@
 
 #include "modplatform/ModIndex.h"
 
-#include "BaseInstance.h"
 #include <QNetworkAccessManager>
+#include "BaseInstance.h"
 
 namespace FlameMod {
 
@@ -19,5 +19,5 @@ void loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                              const shared_qobject_ptr<QNetworkAccessManager>& network,
                              const BaseInstance* inst);
 auto loadIndexedPackVersion(QJsonObject& obj, bool load_changelog = false) -> ModPlatform::IndexedVersion;
-
+auto loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArray& arr) -> ModPlatform::IndexedVersion;
-}  // namespace FlameMod
+}  // namespace FlameMod

launcher/modplatform/flame/FlamePackIndex.h

@@ -4,6 +4,7 @@
 #include <QMetaType>
 #include <QString>
 #include <QVector>
+#include "modplatform/ModIndex.h"
 
 namespace Flame {
 
@@ -27,8 +28,7 @@ struct ModpackExtra {
     QString sourceUrl;
 };
 
-struct IndexedPack
+struct IndexedPack {
-{
     int addonId;
     QString name;
     QString description;
@@ -43,9 +43,9 @@ struct IndexedPack
     ModpackExtra extra;
 };
 
-void loadIndexedPack(IndexedPack & m, QJsonObject & obj);
+void loadIndexedPack(IndexedPack& m, QJsonObject& obj);
 void loadIndexedInfo(IndexedPack&, QJsonObject&);
-void loadIndexedPackVersions(IndexedPack & m, QJsonArray & arr);
+void loadIndexedPackVersions(IndexedPack& m, QJsonArray& arr);
-}
+}  // namespace Flame
 
 Q_DECLARE_METATYPE(Flame::IndexedPack)

launcher/modplatform/helpers/HashUtils.cpp

@@ -71,6 +71,7 @@ void ModrinthHasher::executeTask()
         emitFailed("Empty hash!");
     } else {
         emitSucceeded();
+        emit resultsReady(m_hash);
     }
 }
 
@@ -88,13 +89,13 @@ void FlameHasher::executeTask()
         emitFailed("Empty hash!");
     } else {
         emitSucceeded();
+        emit resultsReady(m_hash);
     }
 }
 
-
+BlockedModHasher::BlockedModHasher(QString file_path, ModPlatform::ResourceProvider provider) : Hasher(file_path), provider(provider)
-BlockedModHasher::BlockedModHasher(QString file_path, ModPlatform::ResourceProvider provider)
+{
-    : Hasher(file_path), provider(provider) { 
+    setObjectName(QString("BlockedModHasher: %1").arg(file_path));
-    setObjectName(QString("BlockedModHasher: %1").arg(file_path)); 
     hash_type = ProviderCaps.hashType(provider).first();
 }
 
@@ -120,14 +121,17 @@ void BlockedModHasher::executeTask()
         emitFailed("Empty hash!");
     } else {
         emitSucceeded();
+        emit resultsReady(m_hash);
     }
 }
 
-QStringList BlockedModHasher::getHashTypes() {
+QStringList BlockedModHasher::getHashTypes()
+{
     return ProviderCaps.hashType(provider);
 }
 
-bool BlockedModHasher::useHashType(QString type) {
+bool BlockedModHasher::useHashType(QString type)
+{
     auto types = ProviderCaps.hashType(provider);
     if (types.contains(type)) {
         hash_type = type;

launcher/modplatform/helpers/HashUtils.h

@@ -8,6 +8,7 @@
 namespace Hashing {
 
 class Hasher : public Task {
+    Q_OBJECT
    public:
     using Ptr = shared_qobject_ptr<Hasher>;
 
@@ -21,6 +22,9 @@ class Hasher : public Task {
     QString getResult() const { return m_hash; };
     QString getPath() const { return m_path; };
 
+   signals:
+    void resultsReady(QString hash);
+
    protected:
     QString m_hash;
     QString m_path;
@@ -48,6 +52,7 @@ class BlockedModHasher : public Hasher {
 
     QStringList getHashTypes();
     bool useHashType(QString type);
+
    private:
     ModPlatform::ResourceProvider provider;
     QString hash_type;

launcher/modplatform/helpers/NetworkResourceAPI.cpp

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
 #include "NetworkResourceAPI.h"
+#include <memory>
 
 #include "Application.h"
 #include "net/NetJob.h"
@@ -19,12 +20,12 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
 
     auto search_url = search_url_optional.value();
 
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto netJob = makeShared<NetJob>(QString("%1::Search").arg(debugName()), APPLICATION->network());
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(search_url), response));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, [this, response, callbacks]{
+    QObject::connect(netJob.get(), &NetJob::succeeded, [this, response, callbacks] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -40,27 +41,21 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
         callbacks.on_succeed(doc);
     });
 
-    QObject::connect(netJob.get(), &NetJob::failed, [&netJob, callbacks](QString reason){
+    QObject::connect(netJob.get(), &NetJob::failed, [&netJob, callbacks](QString reason) {
         int network_error_code = -1;
         if (auto* failed_action = netJob->getFailedActions().at(0); failed_action && failed_action->m_reply)
             network_error_code = failed_action->m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
 
-       callbacks.on_fail(reason, network_error_code); 
+        callbacks.on_fail(reason, network_error_code);
     });
-    QObject::connect(netJob.get(), &NetJob::aborted, [callbacks]{
+    QObject::connect(netJob.get(), &NetJob::aborted, [callbacks] { callbacks.on_abort(); });
-       callbacks.on_abort(); 
-    });
-    QObject::connect(netJob.get(), &NetJob::finished, [response] {
-        delete response;
-    });
-
 
     return netJob;
 }
 
 Task::Ptr NetworkResourceAPI::getProjectInfo(ProjectInfoArgs&& args, ProjectInfoCallbacks&& callbacks) const
 {
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto job = getProject(args.pack.addonId.toString(), response);
 
     QObject::connect(job.get(), &NetJob::succeeded, [response, callbacks, args] {
@@ -88,7 +83,7 @@ Task::Ptr NetworkResourceAPI::getProjectVersions(VersionSearchArgs&& args, Versi
     auto versions_url = versions_url_optional.value();
 
     auto netJob = makeShared<NetJob>(QString("%1::Versions").arg(args.pack.name), APPLICATION->network());
-    auto response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
 
     netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
 
@@ -105,14 +100,10 @@ Task::Ptr NetworkResourceAPI::getProjectVersions(VersionSearchArgs&& args, Versi
         callbacks.on_succeed(doc, args.pack);
     });
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] {
-        delete response;
-    });
-
     return netJob;
 }
 
-Task::Ptr NetworkResourceAPI::getProject(QString addonId, QByteArray* response) const
+Task::Ptr NetworkResourceAPI::getProject(QString addonId, std::shared_ptr<QByteArray> response) const
 {
     auto project_url_optional = getInfoURL(addonId);
     if (!project_url_optional.has_value())
@@ -124,9 +115,34 @@ Task::Ptr NetworkResourceAPI::getProject(QString addonId, QByteArray* response)
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(project_url), response));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] {
+    return netJob;
-        delete response;
+}
+
+Task::Ptr NetworkResourceAPI::getDependencyVersion(DependencySearchArgs&& args, DependencySearchCallbacks&& callbacks) const
+{
+    auto versions_url_optional = getDependencyURL(args);
+    if (!versions_url_optional.has_value())
+        return nullptr;
+
+    auto versions_url = versions_url_optional.value();
+
+    auto netJob = makeShared<NetJob>(QString("%1::Dependency").arg(args.dependency.addonId.toString()), APPLICATION->network());
+    auto response = std::make_shared<QByteArray>();
+
+    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
+
+    QObject::connect(netJob.get(), &NetJob::succeeded, [=] {
+        QJsonParseError parse_error{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
+        if (parse_error.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response for getting versions at " << parse_error.offset
+                       << " reason: " << parse_error.errorString();
+            qWarning() << *response;
+            return;
+        }
+
+        callbacks.on_succeed(doc, args.dependency);
     });
 
     return netJob;
-}
+};

launcher/modplatform/helpers/NetworkResourceAPI.h

@@ -4,19 +4,22 @@
 
 #pragma once
 
+#include <memory>
 #include "modplatform/ResourceAPI.h"
 
 class NetworkResourceAPI : public ResourceAPI {
    public:
     Task::Ptr searchProjects(SearchArgs&&, SearchCallbacks&&) const override;
 
-    Task::Ptr getProject(QString addonId, QByteArray* response) const override;
+    Task::Ptr getProject(QString addonId, std::shared_ptr<QByteArray> response) const override;
 
     Task::Ptr getProjectInfo(ProjectInfoArgs&&, ProjectInfoCallbacks&&) const override;
     Task::Ptr getProjectVersions(VersionSearchArgs&&, VersionSearchCallbacks&&) const override;
+    Task::Ptr getDependencyVersion(DependencySearchArgs&&, DependencySearchCallbacks&&) const override;
 
    protected:
     [[nodiscard]] virtual auto getSearchURL(SearchArgs const& args) const -> std::optional<QString> = 0;
     [[nodiscard]] virtual auto getInfoURL(QString const& id) const -> std::optional<QString> = 0;
     [[nodiscard]] virtual auto getVersionsURL(VersionSearchArgs const& args) const -> std::optional<QString> = 0;
+    [[nodiscard]] virtual auto getDependencyURL(DependencySearchArgs const& args) const -> std::optional<QString> = 0;
 };

launcher/modplatform/legacy_ftb/PackFetchTask.cpp

@@ -51,11 +51,11 @@ void PackFetchTask::fetch()
 
     QUrl publicPacksUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/modpacks.xml");
     qDebug() << "Downloading public version info from" << publicPacksUrl.toString();
-    jobPtr->addNetAction(Net::Download::makeByteArray(publicPacksUrl, &publicModpacksXmlFileData));
+    jobPtr->addNetAction(Net::Download::makeByteArray(publicPacksUrl, publicModpacksXmlFileData));
 
     QUrl thirdPartyUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/thirdparty.xml");
     qDebug() << "Downloading thirdparty version info from" << thirdPartyUrl.toString();
-    jobPtr->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, &thirdPartyModpacksXmlFileData));
+    jobPtr->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, thirdPartyModpacksXmlFileData));
 
     QObject::connect(jobPtr.get(), &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
     QObject::connect(jobPtr.get(), &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
@@ -64,22 +64,19 @@ void PackFetchTask::fetch()
     jobPtr->start();
 }
 
-void PackFetchTask::fetchPrivate(const QStringList & toFetch)
+void PackFetchTask::fetchPrivate(const QStringList& toFetch)
 {
     QString privatePackBaseUrl = BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/%1.xml";
 
-    for (auto &packCode: toFetch)
+    for (auto& packCode : toFetch) {
-    {
+        auto data = std::make_shared<QByteArray>();
-        QByteArray *data = new QByteArray();
+        NetJob* job = new NetJob("Fetching private pack", m_network);
-        NetJob *job = new NetJob("Fetching private pack", m_network);
         job->addNetAction(Net::Download::makeByteArray(privatePackBaseUrl.arg(packCode), data));
 
-        QObject::connect(job, &NetJob::succeeded, this, [this, job, data, packCode]
+        QObject::connect(job, &NetJob::succeeded, this, [this, job, data, packCode] {
-        {
             ModpackList packs;
             parseAndAddPacks(*data, PackType::Private, packs);
-            foreach(Modpack currentPack, packs)
+            foreach (Modpack currentPack, packs) {
-            {
                 currentPack.packCode = packCode;
                 emit privateFileDownloadFinished(currentPack);
             }
@@ -87,24 +84,20 @@ void PackFetchTask::fetchPrivate(const QStringList & toFetch)
             job->deleteLater();
 
             data->clear();
-            delete data;
         });
 
-        QObject::connect(job, &NetJob::failed, this, [this, job, packCode, data](QString reason)
+        QObject::connect(job, &NetJob::failed, this, [this, job, packCode, data](QString reason) {
-        {
             emit privateFileDownloadFailed(reason, packCode);
             job->deleteLater();
 
             data->clear();
-            delete data;
         });
 
-        QObject::connect(job, &NetJob::aborted, this, [this, job, data]{
+        QObject::connect(job, &NetJob::aborted, this, [this, job, data] {
             emit aborted();
             job->deleteLater();
 
             data->clear();
-            delete data;
         });
 
         job->start();
@@ -117,27 +110,22 @@ void PackFetchTask::fileDownloadFinished()
 
     QStringList failedLists;
 
-    if(!parseAndAddPacks(publicModpacksXmlFileData, PackType::Public, publicPacks))
+    if (!parseAndAddPacks(*publicModpacksXmlFileData, PackType::Public, publicPacks)) {
-    {
         failedLists.append(tr("Public Packs"));
     }
 
-    if(!parseAndAddPacks(thirdPartyModpacksXmlFileData, PackType::ThirdParty, thirdPartyPacks))
+    if (!parseAndAddPacks(*thirdPartyModpacksXmlFileData, PackType::ThirdParty, thirdPartyPacks)) {
-    {
         failedLists.append(tr("Third Party Packs"));
     }
 
-    if(failedLists.size() > 0)
+    if (failedLists.size() > 0) {
-    {
         emit failed(tr("Failed to download some pack lists: %1").arg(failedLists.join("\n- ")));
-    }
+    } else {
-    else
-    {
         emit finished(publicPacks, thirdPartyPacks);
     }
 }
 
-bool PackFetchTask::parseAndAddPacks(QByteArray &data, PackType packType, ModpackList &list)
+bool PackFetchTask::parseAndAddPacks(QByteArray& data, PackType packType, ModpackList& list)
 {
     QDomDocument doc;
 
@@ -145,8 +133,7 @@ bool PackFetchTask::parseAndAddPacks(QByteArray &data, PackType packType, Modpac
     int errorLine = -1;
     int errorCol = -1;
 
-    if(!doc.setContent(data, false, &errorMsg, &errorLine, &errorCol))
+    if (!doc.setContent(data, false, &errorMsg, &errorLine, &errorCol)) {
-    {
         auto fullErrMsg = QString("Failed to fetch modpack data: %1 %2:%3!").arg(errorMsg).arg(errorLine).arg(errorCol);
         qWarning() << fullErrMsg;
         data.clear();
@@ -154,8 +141,7 @@ bool PackFetchTask::parseAndAddPacks(QByteArray &data, PackType packType, Modpac
     }
 
     QDomNodeList nodes = doc.elementsByTagName("modpack");
-    for(int i = 0; i < nodes.length(); i++)
+    for (int i = 0; i < nodes.length(); i++) {
-    {
         QDomElement element = nodes.at(i).toElement();
 
         Modpack modpack;
@@ -169,26 +155,20 @@ bool PackFetchTask::parseAndAddPacks(QByteArray &data, PackType packType, Modpac
         modpack.broken = false;
         modpack.bugged = false;
 
-        //remove empty if the xml is bugged
+        // remove empty if the xml is bugged
-        for(QString curr : modpack.oldVersions)
+        for (QString curr : modpack.oldVersions) {
-        {
+            if (curr.isNull() || curr.isEmpty()) {
-            if(curr.isNull() || curr.isEmpty())
-            {
                 modpack.oldVersions.removeAll(curr);
                 modpack.bugged = true;
                 qWarning() << "Removed some empty versions from" << modpack.name;
             }
         }
 
-        if(modpack.oldVersions.size() < 1)
+        if (modpack.oldVersions.size() < 1) {
-        {
+            if (!modpack.currentVersion.isNull() && !modpack.currentVersion.isEmpty()) {
-            if(!modpack.currentVersion.isNull() && !modpack.currentVersion.isEmpty())
-            {
                 modpack.oldVersions.append(modpack.currentVersion);
                 qWarning() << "Added current version to oldVersions because oldVersions was empty! (" + modpack.name + ")";
-            }
+            } else {
-            else
-            {
                 modpack.broken = true;
                 qWarning() << "Broken pack:" << modpack.name << " => No valid version!";
             }
@@ -218,4 +198,4 @@ void PackFetchTask::fileDownloadAborted()
     emit aborted();
 }
 
-}
+}  // namespace LegacyFTB

launcher/modplatform/legacy_ftb/PackFetchTask.h

@@ -1,41 +1,41 @@
 #pragma once
 
-#include "net/NetJob.h"
-#include <QTemporaryDir>
 #include <QByteArray>
 #include <QObject>
+#include <QTemporaryDir>
+#include <memory>
 #include "PackHelpers.h"
+#include "net/NetJob.h"
 
 namespace LegacyFTB {
 
 class PackFetchTask : public QObject {
-
     Q_OBJECT
 
-public:
+   public:
-    PackFetchTask(shared_qobject_ptr<QNetworkAccessManager> network) : QObject(nullptr), m_network(network) {};
+    PackFetchTask(shared_qobject_ptr<QNetworkAccessManager> network) : QObject(nullptr), m_network(network){};
     virtual ~PackFetchTask() = default;
 
     void fetch();
-    void fetchPrivate(const QStringList &toFetch);
+    void fetchPrivate(const QStringList& toFetch);
 
-private:
+   private:
     shared_qobject_ptr<QNetworkAccessManager> m_network;
     NetJob::Ptr jobPtr;
 
-    QByteArray publicModpacksXmlFileData;
+    std::shared_ptr<QByteArray> publicModpacksXmlFileData = std::make_shared<QByteArray>();
-    QByteArray thirdPartyModpacksXmlFileData;
+    std::shared_ptr<QByteArray> thirdPartyModpacksXmlFileData = std::make_shared<QByteArray>();
 
-    bool parseAndAddPacks(QByteArray &data, PackType packType, ModpackList &list);
+    bool parseAndAddPacks(QByteArray& data, PackType packType, ModpackList& list);
     ModpackList publicPacks;
     ModpackList thirdPartyPacks;
 
-protected slots:
+   protected slots:
     void fileDownloadFinished();
     void fileDownloadFailed(QString reason);
     void fileDownloadAborted();
 
-signals:
+   signals:
     void finished(ModpackList publicPacks, ModpackList thirdPartyPacks);
     void failed(QString reason);
     void aborted();
@@ -44,4 +44,4 @@ signals:
     void privateFileDownloadFailed(QString reason, QString packCode);
 };
 
-}
+}  // namespace LegacyFTB

launcher/modplatform/modrinth/ModrinthAPI.cpp

@@ -9,19 +9,17 @@
 #include "net/NetJob.h"
 #include "net/Upload.h"
 
-Task::Ptr ModrinthAPI::currentVersion(QString hash, QString hash_format, QByteArray* response)
+Task::Ptr ModrinthAPI::currentVersion(QString hash, QString hash_format, std::shared_ptr<QByteArray> response)
 {
     auto netJob = makeShared<NetJob>(QString("Modrinth::GetCurrentVersion"), APPLICATION->network());
 
     netJob->addNetAction(Net::Download::makeByteArray(
         QString(BuildConfig.MODRINTH_PROD_URL + "/version_file/%1?algorithm=%2").arg(hash, hash_format), response));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
-
     return netJob;
 }
 
-Task::Ptr ModrinthAPI::currentVersions(const QStringList& hashes, QString hash_format, QByteArray* response)
+Task::Ptr ModrinthAPI::currentVersions(const QStringList& hashes, QString hash_format, std::shared_ptr<QByteArray> response)
 {
     auto netJob = makeShared<NetJob>(QString("Modrinth::GetCurrentVersions"), APPLICATION->network());
 
@@ -35,8 +33,6 @@ Task::Ptr ModrinthAPI::currentVersions(const QStringList& hashes, QString hash_f
 
     netJob->addNetAction(Net::Upload::makeByteArray(QString(BuildConfig.MODRINTH_PROD_URL + "/version_files"), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
-
     return netJob;
 }
 
@@ -44,7 +40,7 @@ Task::Ptr ModrinthAPI::latestVersion(QString hash,
                                      QString hash_format,
                                      std::optional<std::list<Version>> mcVersions,
                                      std::optional<ModLoaderTypes> loaders,
-                                     QByteArray* response)
+                                     std::shared_ptr<QByteArray> response)
 {
     auto netJob = makeShared<NetJob>(QString("Modrinth::GetLatestVersion"), APPLICATION->network());
 
@@ -67,8 +63,6 @@ Task::Ptr ModrinthAPI::latestVersion(QString hash,
     netJob->addNetAction(Net::Upload::makeByteArray(
         QString(BuildConfig.MODRINTH_PROD_URL + "/version_file/%1/update?algorithm=%2").arg(hash, hash_format), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
-
     return netJob;
 }
 
@@ -76,7 +70,7 @@ Task::Ptr ModrinthAPI::latestVersions(const QStringList& hashes,
                                       QString hash_format,
                                       std::optional<std::list<Version>> mcVersions,
                                       std::optional<ModLoaderTypes> loaders,
-                                      QByteArray* response)
+                                      std::shared_ptr<QByteArray> response)
 {
     auto netJob = makeShared<NetJob>(QString("Modrinth::GetLatestVersions"), APPLICATION->network());
 
@@ -101,22 +95,16 @@ Task::Ptr ModrinthAPI::latestVersions(const QStringList& hashes,
 
     netJob->addNetAction(Net::Upload::makeByteArray(QString(BuildConfig.MODRINTH_PROD_URL + "/version_files/update"), response, body_raw));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response] { delete response; });
-
     return netJob;
 }
 
-Task::Ptr ModrinthAPI::getProjects(QStringList addonIds, QByteArray* response) const
+Task::Ptr ModrinthAPI::getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const
 {
     auto netJob = makeShared<NetJob>(QString("Modrinth::GetProjects"), APPLICATION->network());
     auto searchUrl = getMultipleModInfoURL(addonIds);
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), response));
 
-    QObject::connect(netJob.get(), &NetJob::finished, [response, netJob] {
-        delete response;
-    });
-
     return netJob;
 }
 

launcher/modplatform/modrinth/ModrinthAPI.h

@@ -12,27 +12,23 @@
 
 class ModrinthAPI : public NetworkResourceAPI {
    public:
-    auto currentVersion(QString hash,
+    auto currentVersion(QString hash, QString hash_format, std::shared_ptr<QByteArray> response) -> Task::Ptr;
-                        QString hash_format,
-                        QByteArray* response) -> Task::Ptr;
 
-    auto currentVersions(const QStringList& hashes,
+    auto currentVersions(const QStringList& hashes, QString hash_format, std::shared_ptr<QByteArray> response) -> Task::Ptr;
-                         QString hash_format,
-                         QByteArray* response) -> Task::Ptr;
 
     auto latestVersion(QString hash,
                        QString hash_format,
                        std::optional<std::list<Version>> mcVersions,
                        std::optional<ModLoaderTypes> loaders,
-                       QByteArray* response) -> Task::Ptr;
+                       std::shared_ptr<QByteArray> response) -> Task::Ptr;
 
     auto latestVersions(const QStringList& hashes,
                         QString hash_format,
-                       std::optional<std::list<Version>> mcVersions,
+                        std::optional<std::list<Version>> mcVersions,
-                       std::optional<ModLoaderTypes> loaders,
+                        std::optional<ModLoaderTypes> loaders,
-                        QByteArray* response) -> Task::Ptr;
+                        std::shared_ptr<QByteArray> response) -> Task::Ptr;
 
-    Task::Ptr getProjects(QStringList addonIds, QByteArray* response) const override;
+    Task::Ptr getProjects(QStringList addonIds, std::shared_ptr<QByteArray> response) const override;
 
    public:
     [[nodiscard]] auto getSortingMethods() const -> QList<ResourceAPI::SortingMethod> override;
@@ -42,7 +38,7 @@ class ModrinthAPI : public NetworkResourceAPI {
     static auto getModLoaderStrings(const ModLoaderTypes types) -> const QStringList
     {
         QStringList l;
-        for (auto loader : {Forge, Fabric, Quilt}) {
+        for (auto loader : { Forge, Fabric, Quilt }) {
             if (types & loader) {
                 l << getModLoaderString(loader);
             }
@@ -55,8 +51,7 @@ class ModrinthAPI : public NetworkResourceAPI {
     static auto getModLoaderFilters(ModLoaderTypes types) -> const QString
     {
         QStringList l;
-        for (auto loader : getModLoaderStrings(types))
+        for (auto loader : getModLoaderStrings(types)) {
-        {
             l << QString("\"categories:%1\"").arg(loader);
         }
         return l.join(',');
@@ -139,16 +134,22 @@ class ModrinthAPI : public NetworkResourceAPI {
     auto getGameVersionsArray(std::list<Version> mcVersions) const -> QString
     {
         QString s;
-        for(auto& ver : mcVersions){
+        for (auto& ver : mcVersions) {
             s += QString("\"versions:%1\",").arg(ver.toString());
         }
-        s.remove(s.length() - 1, 1); //remove last comma
+        s.remove(s.length() - 1, 1);  // remove last comma
         return s.isEmpty() ? QString() : s;
     }
 
-    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool
+    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool { return loaders & (Forge | Fabric | Quilt); }
-    {
-        return loaders & (Forge | Fabric | Quilt);
-    }
 
+    [[nodiscard]] std::optional<QString> getDependencyURL(DependencySearchArgs const& args) const override
+    {
+        return args.dependency.version.length() != 0 ? QString("%1/version/%2").arg(BuildConfig.MODRINTH_PROD_URL, args.dependency.version)
+                                                     : QString("%1/project/%2/version?game_versions=[\"%3\"]&loaders=[\"%4\"]")
+                                                           .arg(BuildConfig.MODRINTH_PROD_URL)
+                                                           .arg(args.dependency.addonId.toString())
+                                                           .arg(args.mcVersion.toString())
+                                                           .arg(getModLoaderStrings(args.loader).join("\",\""));
+    };
 };

launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp

@@ -53,12 +53,11 @@ void ModrinthCheckUpdate::executeTask()
         // (though it will rarely happen, if at all)
         if (mod->metadata()->hash_format != best_hash_type) {
             auto hash_task = Hashing::createModrinthHasher(mod->fileinfo().absoluteFilePath());
-            connect(hash_task.get(), &Task::succeeded, [&] {
+            connect(hash_task.get(), &Hashing::Hasher::resultsReady, [&hashes, &mappings, mod](QString hash) {
-                QString hash (hash_task->getResult());
                 hashes.append(hash);
                 mappings.insert(hash, mod);
             });
-            connect(hash_task.get(), &Task::failed, [this, hash_task] { failed("Failed to generate hash"); });
+            connect(hash_task.get(), &Task::failed, [this] { failed("Failed to generate hash"); });
             hashing_task.addTask(hash_task);
         } else {
             hashes.append(hash);
@@ -67,11 +66,11 @@ void ModrinthCheckUpdate::executeTask()
     }
 
     QEventLoop loop;
-    connect(&hashing_task, &Task::finished, [&loop]{ loop.quit(); });
+    connect(&hashing_task, &Task::finished, [&loop] { loop.quit(); });
     hashing_task.start();
     loop.exec();
 
-    auto* response = new QByteArray();
+    auto response = std::make_shared<QByteArray>();
     auto job = api.latestVersions(hashes, best_hash_type, m_game_versions, m_loaders, response);
 
     QEventLoop lock;
@@ -112,7 +111,8 @@ void ModrinthCheckUpdate::executeTask()
                 // so we may want to filter it
                 QString loader_filter;
                 if (m_loaders.has_value()) {
-                    static auto flags = { ResourceAPI::ModLoaderType::Forge, ResourceAPI::ModLoaderType::Fabric, ResourceAPI::ModLoaderType::Quilt };
+                    static auto flags = { ResourceAPI::ModLoaderType::Forge, ResourceAPI::ModLoaderType::Fabric,
+                                          ResourceAPI::ModLoaderType::Quilt };
                     for (auto flag : flags) {
                         if (m_loaders.value().testFlag(flag)) {
                             loader_filter = api.getModLoaderString(flag);
@@ -122,7 +122,8 @@ void ModrinthCheckUpdate::executeTask()
                 }
 
                 // Currently, we rely on a couple heuristics to determine whether an update is actually available or not:
-                // - The file needs to be preferred: It is either the primary file, or the one found via (explicit) usage of the loader_filter
+                // - The file needs to be preferred: It is either the primary file, or the one found via (explicit) usage of the
+                // loader_filter
                 // - The version reported by the JAR is different from the version reported by the indexed version (it's usually the case)
                 // Such is the pain of having arbitrary files for a given version .-.
 
@@ -149,19 +150,19 @@ void ModrinthCheckUpdate::executeTask()
                         continue;
 
                     // Fake pack with the necessary info to pass to the download task :)
-                    ModPlatform::IndexedPack pack;
+                    auto pack = std::make_shared<ModPlatform::IndexedPack>();
-                    pack.name = mod->name();
+                    pack->name = mod->name();
-                    pack.slug = mod->metadata()->slug;
+                    pack->slug = mod->metadata()->slug;
-                    pack.addonId = mod->metadata()->project_id;
+                    pack->addonId = mod->metadata()->project_id;
-                    pack.websiteUrl = mod->homeurl();
+                    pack->websiteUrl = mod->homeurl();
                     for (auto& author : mod->authors())
-                        pack.authors.append({ author });
+                        pack->authors.append({ author });
-                    pack.description = mod->description();
+                    pack->description = mod->description();
-                    pack.provider = ModPlatform::ResourceProvider::MODRINTH;
+                    pack->provider = ModPlatform::ResourceProvider::MODRINTH;
 
                     auto download_task = makeShared<ResourceDownloadTask>(pack, project_ver, m_mods_folder);
 
-                    m_updatable.emplace_back(pack.name, hash, mod->version(), project_ver.version_number, project_ver.changelog,
+                    m_updatable.emplace_back(pack->name, hash, mod->version(), project_ver.version_number, project_ver.changelog,
                                              ModPlatform::ResourceProvider::MODRINTH, download_task);
                 }
             }

launcher/modplatform/modrinth/ModrinthInstanceCreationTask.cpp

@@ -214,7 +214,7 @@ bool ModrinthCreationTask::createInstance()
 
     if (m_instIcon != "default") {
         instance.setIconKey(m_instIcon);
-    } else {
+    } else if (!m_managed_id.isEmpty()) {
         instance.setIconKey("modrinth");
     }
 

launcher/modplatform/modrinth/ModrinthPackExportTask.cpp

@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ModrinthPackExportTask.h"
+
+#include <QCryptographicHash>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QtConcurrentRun>
+#include "Json.h"
+#include "MMCZip.h"
+#include "minecraft/PackProfile.h"
+#include "minecraft/mod/ModFolderModel.h"
+
+const QStringList ModrinthPackExportTask::PREFIXES({ "mods/", "coremods/", "resourcepacks/", "texturepacks/", "shaderpacks/" });
+const QStringList ModrinthPackExportTask::FILE_EXTENSIONS({ "jar", "litemod", "zip" });
+
+ModrinthPackExportTask::ModrinthPackExportTask(const QString& name,
+                                               const QString& version,
+                                               const QString& summary,
+                                               InstancePtr instance,
+                                               const QString& output,
+                                               MMCZip::FilterFunction filter)
+    : name(name)
+    , version(version)
+    , summary(summary)
+    , instance(instance)
+    , mcInstance(dynamic_cast<MinecraftInstance*>(instance.get()))
+    , gameRoot(instance->gameRoot())
+    , output(output)
+    , filter(filter)
+{}
+
+void ModrinthPackExportTask::executeTask()
+{
+    setStatus(tr("Searching for files..."));
+    setProgress(0, 0);
+    collectFiles();
+}
+
+bool ModrinthPackExportTask::abort()
+{
+    if (task != nullptr) {
+        task->abort();
+        task = nullptr;
+        emitAborted();
+        return true;
+    }
+
+    if (buildZipFuture.isRunning()) {
+        buildZipFuture.cancel();
+        // NOTE: Here we don't do `emitAborted()` because it will be done when `buildZipFuture` actually cancels, which may not occur immediately.
+        return true;
+    }
+
+    return false;
+}
+
+void ModrinthPackExportTask::collectFiles()
+{
+    setAbortable(false);
+    QCoreApplication::processEvents();
+
+    files.clear();
+    if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files, filter)) {
+        emitFailed(tr("Could not search for files"));
+        return;
+    }
+
+    pendingHashes.clear();
+    resolvedFiles.clear();
+
+    if (mcInstance) {
+        mcInstance->loaderModList()->update();
+        connect(mcInstance->loaderModList().get(), &ModFolderModel::updateFinished, this, &ModrinthPackExportTask::collectHashes);
+    } else
+        collectHashes();
+}
+
+void ModrinthPackExportTask::collectHashes()
+{
+    for (const QFileInfo& file : files) {
+        QCoreApplication::processEvents();
+
+        const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+        // require sensible file types
+        if (!std::any_of(PREFIXES.begin(), PREFIXES.end(), [&relative](const QString& prefix) { return relative.startsWith(prefix); }))
+            continue;
+        if (!std::any_of(FILE_EXTENSIONS.begin(), FILE_EXTENSIONS.end(), [&relative](const QString& extension) {
+                return relative.endsWith('.' + extension) || relative.endsWith('.' + extension + ".disabled");
+            }))
+            continue;
+
+        QCryptographicHash sha512(QCryptographicHash::Algorithm::Sha512);
+
+        QFile openFile(file.absoluteFilePath());
+        if (!openFile.open(QFile::ReadOnly)) {
+            qWarning() << "Could not open" << file << "for hashing";
+            continue;
+        }
+
+        const QByteArray data = openFile.readAll();
+        if (openFile.error() != QFileDevice::NoError) {
+            qWarning() << "Could not read" << file;
+            continue;
+        }
+        sha512.addData(data);
+
+        auto allMods = mcInstance->loaderModList()->allMods();
+        if (auto modIter = std::find_if(allMods.begin(), allMods.end(), [&file](Mod* mod) { return mod->fileinfo() == file; });
+            modIter != allMods.end()) {
+            const Mod* mod = *modIter;
+            if (mod->metadata() != nullptr) {
+                QUrl& url = mod->metadata()->url;
+                // ensure the url is permitted on modrinth.com
+                if (!url.isEmpty() && BuildConfig.MODRINTH_MRPACK_HOSTS.contains(url.host())) {
+                    qDebug() << "Resolving" << relative << "from index";
+
+                    QCryptographicHash sha1(QCryptographicHash::Algorithm::Sha1);
+                    sha1.addData(data);
+
+                    ResolvedFile resolvedFile{ sha1.result().toHex(), sha512.result().toHex(), url.toEncoded(), openFile.size() };
+                    resolvedFiles[relative] = resolvedFile;
+
+                    // nice! we've managed to resolve based on local metadata!
+                    // no need to enqueue it
+                    continue;
+                }
+            }
+        }
+
+        qDebug() << "Enqueueing" << relative << "for Modrinth query";
+        pendingHashes[relative] = sha512.result().toHex();
+    }
+
+    setAbortable(true);
+    makeApiRequest();
+}
+
+void ModrinthPackExportTask::makeApiRequest()
+{
+    if (pendingHashes.isEmpty())
+        buildZip();
+    else {
+        auto response = std::make_shared<QByteArray>();
+        task = api.currentVersions(pendingHashes.values(), "sha512", response);
+        connect(task.get(), &NetJob::succeeded, [this, response]() { parseApiResponse(response); });
+        connect(task.get(), &NetJob::failed, this, &ModrinthPackExportTask::emitFailed);
+        task->start();
+    }
+}
+
+void ModrinthPackExportTask::parseApiResponse(const std::shared_ptr<QByteArray> response)
+{
+    task = nullptr;
+
+    try {
+        const QJsonDocument doc = Json::requireDocument(*response);
+
+        QMapIterator<QString, QString> iterator(pendingHashes);
+        while (iterator.hasNext()) {
+            iterator.next();
+
+            const QJsonObject obj = doc[iterator.value()].toObject();
+            if (obj.isEmpty())
+                continue;
+
+            const QJsonArray files = obj["files"].toArray();
+            if (auto fileIter = std::find_if(files.begin(), files.end(),
+                                             [&iterator](const QJsonValue& file) { return file["hashes"]["sha512"] == iterator.value(); });
+                fileIter != files.end()) {
+                // map the file to the url
+                resolvedFiles[iterator.key()] =
+                    ResolvedFile{ fileIter->toObject()["hashes"].toObject()["sha1"].toString(), iterator.value(),
+                                  fileIter->toObject()["url"].toString(), fileIter->toObject()["size"].toInt() };
+            }
+        }
+    } catch (const Json::JsonException& e) {
+        emitFailed(tr("Failed to parse versions response: %1").arg(e.what()));
+        return;
+    }
+    pendingHashes.clear();
+    buildZip();
+}
+
+void ModrinthPackExportTask::buildZip()
+{
+    setStatus(tr("Adding files..."));
+
+    buildZipFuture = QtConcurrent::run(QThreadPool::globalInstance(), [this]() {
+        QuaZip zip(output);
+        if (!zip.open(QuaZip::mdCreate)) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create file"));
+        }
+
+        if (buildZipFuture.isCanceled())
+            return BuildZipResult();
+
+        QuaZipFile indexFile(&zip);
+        if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo("modrinth.index.json"))) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create index"));
+        }
+        indexFile.write(generateIndex());
+
+        size_t progress = 0;
+        for (const QFileInfo& file : files) {
+            if (buildZipFuture.isCanceled()) {
+                QFile::remove(output);
+                return BuildZipResult();
+            }
+
+            setProgress(progress, files.length());
+            const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+            if (!resolvedFiles.contains(relative) && !JlCompress::compressFile(&zip, file.absoluteFilePath(), "overrides/" + relative)) {
+                QFile::remove(output);
+                return BuildZipResult(tr("Could not read and compress %1").arg(relative));
+            }
+            progress++;
+        }
+
+        zip.close();
+
+        if (zip.getZipError() != 0) {
+            QFile::remove(output);
+            return BuildZipResult(tr("A zip error occurred"));
+        }
+
+        return BuildZipResult();
+    });
+    connect(&buildZipWatcher, &QFutureWatcher<BuildZipResult>::finished, this, &ModrinthPackExportTask::finish);
+    buildZipWatcher.setFuture(buildZipFuture);
+}
+
+void ModrinthPackExportTask::finish()
+{
+    if (buildZipFuture.isCanceled())
+        emitAborted();
+    else {
+        const BuildZipResult result = buildZipFuture.result();
+        if (result.has_value())
+            emitFailed(result.value());
+        else
+            emitSucceeded();
+    }
+}
+
+QByteArray ModrinthPackExportTask::generateIndex()
+{
+    QJsonObject obj;
+    obj["formatVersion"] = 1;
+    obj["game"] = "minecraft";
+    obj["name"] = name;
+    obj["versionId"] = version;
+    if (!summary.isEmpty())
+        obj["summary"] = summary;
+
+    if (mcInstance) {
+        auto profile = mcInstance->getPackProfile();
+        // collect all supported components
+        const ComponentPtr minecraft = profile->getComponent("net.minecraft");
+        const ComponentPtr quilt = profile->getComponent("org.quiltmc.quilt-loader");
+        const ComponentPtr fabric = profile->getComponent("net.fabricmc.fabric-loader");
+        const ComponentPtr forge = profile->getComponent("net.minecraftforge");
+
+        // convert all available components to mrpack dependencies
+        QJsonObject dependencies;
+        if (minecraft != nullptr)
+            dependencies["minecraft"] = minecraft->m_version;
+        if (quilt != nullptr)
+            dependencies["quilt-loader"] = quilt->m_version;
+        if (fabric != nullptr)
+            dependencies["fabric-loader"] = fabric->m_version;
+        if (forge != nullptr)
+            dependencies["forge"] = forge->m_version;
+
+        obj["dependencies"] = dependencies;
+    }
+
+    QJsonArray files;
+    QMapIterator<QString, ResolvedFile> iterator(resolvedFiles);
+    while (iterator.hasNext()) {
+        iterator.next();
+
+        const ResolvedFile& value = iterator.value();
+
+        QJsonObject file;
+        file["path"] = iterator.key();
+        file["downloads"] = QJsonArray({ iterator.value().url });
+
+        QJsonObject hashes;
+        hashes["sha1"] = value.sha1;
+        hashes["sha512"] = value.sha512;
+
+        file["hashes"] = hashes;
+        file["fileSize"] = value.size;
+
+        files << file;
+    }
+    obj["files"] = files;
+
+    return QJsonDocument(obj).toJson(QJsonDocument::Compact);
+}

launcher/modplatform/modrinth/ModrinthPackExportTask.h

@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFuture>
+#include <QFutureWatcher>
+#include "BaseInstance.h"
+#include "MMCZip.h"
+#include "minecraft/MinecraftInstance.h"
+#include "modplatform/modrinth/ModrinthAPI.h"
+#include "tasks/Task.h"
+
+class ModrinthPackExportTask : public Task {
+   public:
+    ModrinthPackExportTask(const QString& name,
+                           const QString& version,
+                           const QString& summary,
+                           InstancePtr instance,
+                           const QString& output,
+                           MMCZip::FilterFunction filter);
+
+   protected:
+    void executeTask() override;
+    bool abort() override;
+
+   private:
+    struct ResolvedFile {
+        QString sha1, sha512, url;
+        qint64 size;
+    };
+
+    static const QStringList PREFIXES;
+    static const QStringList FILE_EXTENSIONS;
+
+    // inputs
+    const QString name, version, summary;
+    const InstancePtr instance;
+    MinecraftInstance* mcInstance;
+    const QDir gameRoot;
+    const QString output;
+    const MMCZip::FilterFunction filter;
+
+    typedef std::optional<QString> BuildZipResult;
+
+    ModrinthAPI api;
+    QFileInfoList files;
+    QMap<QString, QString> pendingHashes;
+    QMap<QString, ResolvedFile> resolvedFiles;
+    Task::Ptr task;
+    QFuture<BuildZipResult> buildZipFuture;
+    QFutureWatcher<BuildZipResult> buildZipWatcher;
+
+    void collectFiles();
+    void collectHashes();
+    void makeApiRequest();
+    void parseApiResponse(const std::shared_ptr<QByteArray> response);
+    void buildZip();
+    void finish();
+
+    QByteArray generateIndex();
+};

launcher/modplatform/modrinth/ModrinthPackIndex.cpp

@@ -22,7 +22,7 @@
 #include "Json.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
-#include "net/NetJob.h"
+#include "modplatform/ModIndex.h"
 
 static ModrinthAPI api;
 static ModPlatform::ProviderCapabilities ProviderCaps;
@@ -140,6 +140,28 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
     file.version_number = Json::requireString(obj, "version_number");
     file.changelog = Json::requireString(obj, "changelog");
 
+    auto dependencies = Json::ensureArray(obj, "dependencies");
+    for (auto d : dependencies) {
+        auto dep = Json::ensureObject(d);
+        ModPlatform::Dependency dependency;
+        dependency.addonId = Json::ensureString(dep, "project_id");
+        dependency.version = Json::ensureString(dep, "version_id");
+        auto depType = Json::requireString(dep, "dependency_type");
+
+        if (depType == "required")
+            dependency.type = ModPlatform::DependencyType::REQUIRED;
+        else if (depType == "optional")
+            dependency.type = ModPlatform::DependencyType::OPTIONAL;
+        else if (depType == "incompatible")
+            dependency.type = ModPlatform::DependencyType::INCOMPATIBLE;
+        else if (depType == "embedded")
+            dependency.type = ModPlatform::DependencyType::EMBEDDED;
+        else
+            dependency.type = ModPlatform::DependencyType::UNKNOWN;
+
+        file.dependencies.append(dependency);
+    }
+
     auto files = Json::requireArray(obj, "files");
     int i = 0;
 
@@ -195,3 +217,22 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
 
     return {};
 }
+
+auto Modrinth::loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArray& arr) -> ModPlatform::IndexedVersion
+{
+    QVector<ModPlatform::IndexedVersion> versions;
+
+    for (auto versionIter : arr) {
+        auto obj = versionIter.toObject();
+        auto file = loadIndexedPackVersion(obj);
+
+        if (file.fileId.isValid())  // Heuristic to check if the returned value is valid
+            versions.append(file);
+    }
+    auto orderSortPredicate = [](const ModPlatform::IndexedVersion& a, const ModPlatform::IndexedVersion& b) -> bool {
+        // dates are in RFC 3339 format
+        return a.date > b.date;
+    };
+    std::sort(versions.begin(), versions.end(), orderSortPredicate);
+    return versions.length() != 0 ? versions.front() : ModPlatform::IndexedVersion();
+}

launcher/modplatform/modrinth/ModrinthPackIndex.h

@@ -19,8 +19,8 @@
 
 #include "modplatform/ModIndex.h"
 
-#include "BaseInstance.h"
 #include <QNetworkAccessManager>
+#include "BaseInstance.h"
 
 namespace Modrinth {
 
@@ -31,5 +31,6 @@ void loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
                              const shared_qobject_ptr<QNetworkAccessManager>& network,
                              const BaseInstance* inst);
 auto loadIndexedPackVersion(QJsonObject& obj, QString hash_type = "sha512", QString filename_prefer = "") -> ModPlatform::IndexedVersion;
+auto loadDependencyVersions(const ModPlatform::Dependency& m, QJsonArray& arr) -> ModPlatform::IndexedVersion;
 
 }  // namespace Modrinth

launcher/modplatform/technic/SolderPackInstallTask.cpp

@@ -37,20 +37,19 @@
 
 #include <FileSystem.h>
 #include <Json.h>
-#include <QtConcurrentRun>
 #include <MMCZip.h>
+#include <QtConcurrentRun>
 
-#include "TechnicPackProcessor.h"
 #include "SolderPackManifest.h"
+#include "TechnicPackProcessor.h"
 #include "net/ChecksumValidator.h"
 
-Technic::SolderPackInstallTask::SolderPackInstallTask(
+Technic::SolderPackInstallTask::SolderPackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network,
-    shared_qobject_ptr<QNetworkAccessManager> network,
+                                                      const QUrl& solderUrl,
-    const QUrl &solderUrl,
+                                                      const QString& pack,
-    const QString &pack,
+                                                      const QString& version,
-    const QString &version,
+                                                      const QString& minecraftVersion)
-    const QString &minecraftVersion
+{
-) {
     m_solderUrl = solderUrl;
     m_pack = pack;
     m_version = version;
@@ -58,9 +57,9 @@ Technic::SolderPackInstallTask::SolderPackInstallTask(
     m_minecraftVersion = minecraftVersion;
 }
 
-bool Technic::SolderPackInstallTask::abort() {
+bool Technic::SolderPackInstallTask::abort()
-    if(m_abortable)
+{
-    {
+    if (m_abortable) {
         return m_filesNetJob->abort();
     }
     return false;
@@ -72,7 +71,7 @@ void Technic::SolderPackInstallTask::executeTask()
 
     m_filesNetJob.reset(new NetJob(tr("Resolving modpack files"), m_network));
     auto sourceUrl = QString("%1/modpack/%2/%3").arg(m_solderUrl.toString(), m_pack, m_version);
-    m_filesNetJob->addNetAction(Net::Download::makeByteArray(sourceUrl, &m_response));
+    m_filesNetJob->addNetAction(Net::Download::makeByteArray(sourceUrl, m_response));
 
     auto job = m_filesNetJob.get();
     connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::fileListSucceeded);
@@ -85,11 +84,11 @@ void Technic::SolderPackInstallTask::fileListSucceeded()
 {
     setStatus(tr("Downloading modpack"));
 
-    QJsonParseError parse_error {};
+    QJsonParseError parse_error{};
-    QJsonDocument doc = QJsonDocument::fromJson(m_response, &parse_error);
+    QJsonDocument doc = QJsonDocument::fromJson(*m_response, &parse_error);
     if (parse_error.error != QJsonParseError::NoError) {
         qWarning() << "Error while parsing JSON response from Solder at " << parse_error.offset << " reason: " << parse_error.errorString();
-        qWarning() << m_response;
+        qWarning() << *m_response;
         return;
     }
     auto obj = doc.object();
@@ -110,7 +109,7 @@ void Technic::SolderPackInstallTask::fileListSucceeded()
     m_filesNetJob.reset(new NetJob(tr("Downloading modpack"), m_network));
 
     int i = 0;
-    for (const auto &mod : build.mods) {
+    for (const auto& mod : build.mods) {
         auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
 
         auto dl = Net::Download::makeFile(mod.url, path);

launcher/modplatform/technic/SolderPackInstallTask.h

@@ -40,45 +40,48 @@
 #include <tasks/Task.h>
 
 #include <QUrl>
+#include <memory>
 
-namespace Technic
+namespace Technic {
-{
+class SolderPackInstallTask : public InstanceTask {
-    class SolderPackInstallTask : public InstanceTask
+    Q_OBJECT
-    {
+   public:
-        Q_OBJECT
+    explicit SolderPackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network,
-    public:
+                                   const QUrl& solderUrl,
-        explicit SolderPackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network, const QUrl &solderUrl, const QString& pack, const QString& version, const QString &minecraftVersion);
+                                   const QString& pack,
+                                   const QString& version,
+                                   const QString& minecraftVersion);
 
-        bool canAbort() const override { return true; }
+    bool canAbort() const override { return true; }
-        bool abort() override;
+    bool abort() override;
 
-    protected:
+   protected:
-        //! Entry point for tasks.
+    //! Entry point for tasks.
-        virtual void executeTask() override;
+    virtual void executeTask() override;
 
-    private slots:
+   private slots:
-        void fileListSucceeded();
+    void fileListSucceeded();
-        void downloadSucceeded();
+    void downloadSucceeded();
-        void downloadFailed(QString reason);
+    void downloadFailed(QString reason);
-        void downloadProgressChanged(qint64 current, qint64 total);
+    void downloadProgressChanged(qint64 current, qint64 total);
-        void downloadAborted();
+    void downloadAborted();
-        void extractFinished();
+    void extractFinished();
-        void extractAborted();
+    void extractAborted();
 
-    private:
+   private:
-        bool m_abortable = false;
+    bool m_abortable = false;
 
-        shared_qobject_ptr<QNetworkAccessManager> m_network;
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
 
-        NetJob::Ptr m_filesNetJob;
+    NetJob::Ptr m_filesNetJob;
-        QUrl m_solderUrl;
+    QUrl m_solderUrl;
-        QString m_pack;
+    QString m_pack;
-        QString m_version;
+    QString m_version;
-        QString m_minecraftVersion;
+    QString m_minecraftVersion;
-        QByteArray m_response;
+    std::shared_ptr<QByteArray> m_response = std::make_shared<QByteArray>();
-        QTemporaryDir m_outputDir;
+    QTemporaryDir m_outputDir;
-        int m_modCount;
+    int m_modCount;
-        QFuture<bool> m_extractFuture;
+    QFuture<bool> m_extractFuture;
-        QFutureWatcher<bool> m_extractFutureWatcher;
+    QFutureWatcher<bool> m_extractFutureWatcher;
-    };
+};
-}
+}  // namespace Technic

launcher/mojang/PackageManifest.cpp

@@ -1,427 +0,0 @@
-#include "PackageManifest.h"
-#include <Json.h>
-#include <QDir>
-#include <QDirIterator>
-#include <QCryptographicHash>
-#include <QDebug>
-
-#ifndef Q_OS_WIN32
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#endif
-
-namespace mojang_files {
-
-const Hash hash_of_empty_string = "da39a3ee5e6b4b0d3255bfef95601890afd80709";
-
-int Path::compare(const Path& rhs) const
-{
-    auto left_cursor = begin();
-    auto left_end = end();
-    auto right_cursor = rhs.begin();
-    auto right_end = rhs.end();
-
-    while (left_cursor != left_end && right_cursor != right_end)
-    {
-        if(*left_cursor < *right_cursor)
-        {
-            return -1;
-        }
-        else if(*left_cursor > *right_cursor)
-        {
-            return 1;
-        }
-        left_cursor++;
-        right_cursor++;
-    }
-
-    if(left_cursor == left_end)
-    {
-        if(right_cursor == right_end)
-        {
-            return 0;
-        }
-        return -1;
-    }
-    return 1;
-}
-
-void Package::addFile(const Path& path, const File& file) {
-    addFolder(path.parent_path());
-    files[path] = file;
-}
-
-void Package::addFolder(Path folder) {
-    if(!folder.has_parent_path()) {
-        return;
-    }
-    do {
-        folders.insert(folder);
-        folder = folder.parent_path();
-    } while(folder.has_parent_path());
-}
-
-void Package::addLink(const Path& path, const Path& target) {
-    addFolder(path.parent_path());
-    symlinks[path] = target;
-}
-
-void Package::addSource(const FileSource& source) {
-    sources[source.hash] = source;
-}
-
-
-namespace {
-void fromJson(QJsonDocument & doc, Package & out) {
-    std::set<Path> seen_paths;
-    if (!doc.isObject())
-    {
-        throw JSONValidationError("file manifest is not an object");
-    }
-    QJsonObject root = doc.object();
-
-    auto filesObj = Json::ensureObject(root, "files");
-    auto iter = filesObj.begin();
-    while (iter != filesObj.end())
-    {
-        Path objectPath = Path(iter.key());
-        auto value = iter.value();
-        iter++;
-        if(seen_paths.count(objectPath)) {
-            throw JSONValidationError("duplicate path inside manifest, the manifest is invalid");
-        }
-        if (!value.isObject())
-        {
-            throw JSONValidationError("file entry inside manifest is not an an object");
-        }
-        seen_paths.insert(objectPath);
-
-        auto fileObject = value.toObject();
-        auto type = Json::requireString(fileObject, "type");
-        if(type == "directory") {
-            out.addFolder(objectPath);
-            continue;
-        }
-        else if(type == "file") {
-            FileSource bestSource;
-            File file;
-            file.executable = Json::ensureBoolean(fileObject, QString("executable"), false);
-            auto downloads = Json::requireObject(fileObject, "downloads");
-            for(auto iter2 = downloads.begin(); iter2 != downloads.end(); iter2++) {
-                FileSource source;
-
-                auto downloadObject = Json::requireObject(iter2.value());
-                source.hash = Json::requireString(downloadObject, "sha1");
-                source.size = Json::requireInteger(downloadObject, "size");
-                source.url = Json::requireString(downloadObject, "url");
-
-                auto compression = iter2.key();
-                if(compression == "raw") {
-                    file.hash = source.hash;
-                    file.size = source.size;
-                    source.compression = Compression::Raw;
-                }
-                else if (compression == "lzma") {
-                    source.compression = Compression::Lzma;
-                }
-                else {
-                    continue;
-                }
-                bestSource.upgrade(source);
-            }
-            if(bestSource.isBad()) {
-                throw JSONValidationError("No valid compression method for file " + iter.key());
-            }
-            out.addFile(objectPath, file);
-            out.addSource(bestSource);
-        }
-        else if(type == "link") {
-            auto target = Json::requireString(fileObject, "target");
-            out.symlinks[objectPath] = target;
-            out.addLink(objectPath, target);
-        }
-        else {
-            throw JSONValidationError("Invalid item type in manifest: " + type);
-        }
-    }
-    // make sure the containing folder exists
-    out.folders.insert(Path());
-}
-}
-
-Package Package::fromManifestContents(const QByteArray& contents)
-{
-    Package out;
-    try
-    {
-        auto doc = Json::requireDocument(contents, "Manifest");
-        fromJson(doc, out);
-        return out;
-    }
-    catch (const Exception &e)
-    {
-        qDebug() << QString("Unable to parse manifest: %1").arg(e.cause());
-        out.valid = false;
-        return out;
-    }
-}
-
-Package Package::fromManifestFile(const QString & filename) {
-    Package out;
-    try
-    {
-        auto doc = Json::requireDocument(filename, filename);
-        fromJson(doc, out);
-        return out;
-    }
-    catch (const Exception &e)
-    {
-        qDebug() << QString("Unable to parse manifest file %1: %2").arg(filename, e.cause());
-        out.valid = false;
-        return out;
-    }
-}
-
-#ifndef Q_OS_WIN32
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-namespace {
-// FIXME: Qt obscures symlink targets by making them absolute. that is useless. this is the workaround - we do it ourselves
-bool actually_read_symlink_target(const QString & filepath, Path & out)
-{
-    struct ::stat st;
-    // FIXME: here, we assume the native filesystem encoding. May the Gods have mercy upon our Souls.
-    QByteArray nativePath = filepath.toUtf8();
-    const char * filepath_cstr = nativePath.data();
-
-    if (lstat(filepath_cstr, &st) != 0)
-    {
-        return false;
-    }
-
-    auto size = st.st_size ? st.st_size + 1 : PATH_MAX;
-    std::string temp(size, '\0');
-    // because we don't realiably know how long the damn thing actually is, we loop and expand. POSIX is naff
-    do
-    {
-        auto link_length = ::readlink(filepath_cstr, &temp[0], temp.size());
-        if(link_length == -1)
-        {
-            return false;
-        }
-        if(std::string::size_type(link_length) < temp.size())
-        {
-            // buffer was long enough and we managed to read the link target. RETURN here.
-            temp.resize(link_length);
-            out = Path(QString::fromUtf8(temp.c_str()));
-            return true;
-        }
-        temp.resize(temp.size() * 2);
-    } while (true);
-}
-}
-#endif
-
-// FIXME: Qt filesystem abstraction is bad, but ... let's hope it doesn't break too much?
-// FIXME: The error handling is just DEFICIENT
-Package Package::fromInspectedFolder(const QString& folderPath)
-{
-    QDir root(folderPath);
-
-    Package out;
-    QDirIterator iterator(folderPath, QDir::NoDotAndDotDot | QDir::AllEntries | QDir::System | QDir::Hidden, QDirIterator::Subdirectories);
-    while(iterator.hasNext()) {
-        iterator.next();
-
-        auto fileInfo = iterator.fileInfo();
-        auto relPath = root.relativeFilePath(fileInfo.filePath());
-        // FIXME: this is probably completely busted on Windows anyway, so just disable it.
-        // Qt makes shit up and doesn't understand the platform details
-        // TODO: Actually use a filesystem library that isn't terrible and has decen license.
-        //       I only know one, and I wrote it. Sadly, currently proprietary. PAIN.
-#ifndef Q_OS_WIN32
-        if(fileInfo.isSymLink()) {
-            Path targetPath;
-            if(!actually_read_symlink_target(fileInfo.filePath(), targetPath)) {
-                qCritical() << "Folder inspection: Unknown filesystem object:" << fileInfo.absoluteFilePath();
-                out.valid = false;
-            }
-            out.addLink(relPath, targetPath);
-        }
-        else
-#endif
-        if(fileInfo.isDir()) {
-            out.addFolder(relPath);
-        }
-        else if(fileInfo.isFile()) {
-            File f;
-            f.executable = fileInfo.isExecutable();
-            f.size = fileInfo.size();
-            // FIXME: async / optimize the hashing
-            QFile input(fileInfo.absoluteFilePath());
-            if(!input.open(QIODevice::ReadOnly)) {
-                qCritical() << "Folder inspection: Failed to open file:" << fileInfo.absoluteFilePath();
-                out.valid = false;
-                break;
-            }
-            f.hash = QCryptographicHash::hash(input.readAll(), QCryptographicHash::Sha1).toHex().constData();
-            out.addFile(relPath, f);
-        }
-        else {
-            // Something else... oh my
-            qCritical() << "Folder inspection: Unknown filesystem object:" << fileInfo.absoluteFilePath();
-            out.valid = false;
-            break;
-        }
-    }
-    out.folders.insert(Path("."));
-    out.valid = true;
-    return out;
-}
-
-namespace {
-struct shallow_first_sort
-{
-    bool operator()(const Path &lhs, const Path &rhs) const
-    {
-        auto lhs_depth = lhs.length();
-        auto rhs_depth = rhs.length();
-        if(lhs_depth < rhs_depth)
-        {
-            return true;
-        }
-        else if(lhs_depth == rhs_depth)
-        {
-            if(lhs < rhs)
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-};
-
-struct deep_first_sort
-{
-    bool operator()(const Path &lhs, const Path &rhs) const
-    {
-        auto lhs_depth = lhs.length();
-        auto rhs_depth = rhs.length();
-        if(lhs_depth > rhs_depth)
-        {
-            return true;
-        }
-        else if(lhs_depth == rhs_depth)
-        {
-            if(lhs < rhs)
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-};
-}
-
-UpdateOperations UpdateOperations::resolve(const Package& from, const Package& to)
-{
-    UpdateOperations out;
-
-    if(!from.valid || !to.valid) {
-        out.valid = false;
-        return out;
-    }
-
-    // Files
-    for(auto iter = from.files.begin(); iter != from.files.end(); iter++) {
-        const auto &current_hash = iter->second.hash;
-        const auto &current_executable = iter->second.executable;
-        const auto &path = iter->first;
-
-        auto iter2 = to.files.find(path);
-        if(iter2 == to.files.end()) {
-            // removed
-            out.deletes.push_back(path);
-            continue;
-        }
-        auto new_hash = iter2->second.hash;
-        auto new_executable = iter2->second.executable;
-        if (current_hash != new_hash) {
-            out.deletes.push_back(path);
-            out.downloads.emplace(
-                std::pair<Path, FileDownload>{
-                    path,
-                    FileDownload(to.sources.at(iter2->second.hash), iter2->second.executable)
-                }
-            );
-        }
-        else if (current_executable != new_executable) {
-            out.executable_fixes[path] = new_executable;
-        }
-    }
-    for(auto iter = to.files.begin(); iter != to.files.end(); iter++) {
-        auto path = iter->first;
-        if(!from.files.count(path)) {
-            out.downloads.emplace(
-                std::pair<Path, FileDownload>{
-                    path,
-                    FileDownload(to.sources.at(iter->second.hash), iter->second.executable)
-                }
-            );
-        }
-    }
-
-    // Folders
-    std::set<Path, deep_first_sort> remove_folders;
-    std::set<Path, shallow_first_sort> make_folders;
-    for(auto from_path: from.folders) {
-        auto iter = to.folders.find(from_path);
-        if(iter == to.folders.end()) {
-            remove_folders.insert(from_path);
-        }
-    }
-    for(auto & rmdir: remove_folders) {
-        out.rmdirs.push_back(rmdir);
-    }
-    for(auto to_path: to.folders) {
-        auto iter = from.folders.find(to_path);
-        if(iter == from.folders.end()) {
-            make_folders.insert(to_path);
-        }
-    }
-    for(auto & mkdir: make_folders) {
-        out.mkdirs.push_back(mkdir);
-    }
-
-    // Symlinks
-    for(auto iter = from.symlinks.begin(); iter != from.symlinks.end(); iter++) {
-        const auto &current_target = iter->second;
-        const auto &path = iter->first;
-
-        auto iter2 = to.symlinks.find(path);
-        if(iter2 == to.symlinks.end()) {
-            // removed
-            out.deletes.push_back(path);
-            continue;
-        }
-        const auto &new_target = iter2->second;
-        if (current_target != new_target) {
-            out.deletes.push_back(path);
-            out.mklinks[path] = iter2->second;
-        }
-    }
-    for(auto iter = to.symlinks.begin(); iter != to.symlinks.end(); iter++) {
-        auto path = iter->first;
-        if(!from.symlinks.count(path)) {
-            out.mklinks[path] = iter->second;
-        }
-    }
-    out.valid = true;
-    return out;
-}
-
-}

launcher/mojang/PackageManifest.h

@@ -1,171 +0,0 @@
-#pragma once
-
-#include <QString>
-#include <map>
-#include <set>
-#include <QStringList>
-#include "tasks/Task.h"
-
-namespace mojang_files {
-
-using Hash = QString;
-extern const Hash empty_hash;
-
-// simple-ish path implementation. assumes always relative and does not allow '..' entries
-class Path
-{
-public:
-    using parts_type = QStringList;
-
-    Path() = default;
-    Path(QString string) {
-        auto parts_in = string.split('/');
-        for(auto & part: parts_in) {
-            if(part.isEmpty() || part == ".") {
-                continue;
-            }
-            if(part == "..") {
-                if(parts.size()) {
-                    parts.pop_back();
-                }
-                continue;
-            }
-            parts.push_back(part);
-        }
-    }
-
-    bool has_parent_path() const
-    {
-        return parts.size() > 0;
-    }
-
-    Path parent_path() const
-    {
-        if (parts.empty())
-            return Path();
-        return Path(parts.begin(), std::prev(parts.end()));
-    }
-
-    bool empty() const
-    {
-        return parts.empty();
-    }
-
-    int length() const
-    {
-        return parts.length();
-    }
-
-    bool operator==(const Path & rhs) const {
-        return parts == rhs.parts;
-    }
-
-    bool operator!=(const Path & rhs) const {
-        return parts != rhs.parts;
-    }
-
-    inline bool operator<(const Path& rhs) const
-    {
-        return compare(rhs) < 0;
-    }
-
-    parts_type::const_iterator begin() const
-    {
-        return parts.begin();
-    }
-
-    parts_type::const_iterator end() const
-    {
-        return parts.end();
-    }
-
-    QString toString() const {
-        return parts.join("/");
-    }
-
-private:
-    Path(const parts_type::const_iterator & start, const parts_type::const_iterator & end) {
-        auto cursor = start;
-        while(cursor != end) {
-            parts.push_back(*cursor);
-            cursor++;
-        }
-    }
-    int compare(const Path& p) const;
-
-    parts_type parts;
-};
-
-
-enum class Compression {
-    Raw,
-    Lzma,
-    Unknown
-};
-
-
-struct FileSource
-{
-    Compression compression = Compression::Unknown;
-    Hash hash;
-    QString url;
-    std::size_t size = 0;
-    void upgrade(const FileSource & other) {
-        if(compression == Compression::Unknown || other.size < size) {
-            *this = other;
-        }
-    }
-    bool isBad() const {
-        return compression == Compression::Unknown;
-    }
-};
-
-struct File
-{
-    Hash hash;
-    bool executable;
-    std::uint64_t size = 0;
-};
-
-struct Package {
-    static Package fromInspectedFolder(const QString &folderPath);
-    static Package fromManifestFile(const QString &path);
-    static Package fromManifestContents(const QByteArray& contents);
-
-    explicit operator bool() const
-    {
-        return valid;
-    }
-    void addFolder(Path folder);
-    void addFile(const Path & path, const File & file);
-    void addLink(const Path & path, const Path & target);
-    void addSource(const FileSource & source);
-
-    std::map<Hash, FileSource> sources;
-    bool valid = true;
-    std::set<Path> folders;
-    std::map<Path, File> files;
-    std::map<Path, Path> symlinks;
-};
-
-struct FileDownload : FileSource
-{
-    FileDownload(const FileSource& source, bool executable) {
-        static_cast<FileSource &> (*this) = source;
-        this->executable = executable;
-    }
-    bool executable = false;
-};
-
-struct UpdateOperations {
-    static UpdateOperations resolve(const Package & from, const Package & to);
-    bool valid = false;
-    std::vector<Path> deletes;
-    std::vector<Path> rmdirs;
-    std::vector<Path> mkdirs;
-    std::map<Path, FileDownload> downloads;
-    std::map<Path, Path> mklinks;
-    std::map<Path, bool> executable_fixes;
-};
-
-}

launcher/net/ByteArraySink.h

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -46,14 +47,17 @@ namespace Net {
  */
 class ByteArraySink : public Sink {
    public:
-    ByteArraySink(QByteArray* output) : m_output(output){};
+    ByteArraySink(std::shared_ptr<QByteArray> output) : m_output(output){};
 
     virtual ~ByteArraySink() = default;
 
    public:
     auto init(QNetworkRequest& request) -> Task::State override
     {
-        m_output->clear();
+        if (m_output)
+            m_output->clear();
+        else
+            qWarning() << "ByteArraySink did not initialize the buffer because it's not addressable";
         if (initAllValidators(request))
             return Task::State::Running;
         return Task::State::Failed;
@@ -61,7 +65,10 @@ class ByteArraySink : public Sink {
 
     auto write(QByteArray& data) -> Task::State override
     {
-        m_output->append(data);
+        if (m_output)
+            m_output->append(data);
+        else
+            qWarning() << "ByteArraySink did not write the buffer because it's not addressable";
         if (writeAllValidators(data))
             return Task::State::Running;
         return Task::State::Failed;
@@ -69,7 +76,10 @@ class ByteArraySink : public Sink {
 
     auto abort() -> Task::State override
     {
-        m_output->clear();
+        if (m_output)
+            m_output->clear();
+        else
+            qWarning() << "ByteArraySink did not clear the buffer because it's not addressable";
         failAllValidators();
         return Task::State::Failed;
     }
@@ -84,6 +94,6 @@ class ByteArraySink : public Sink {
     auto hasLocalData() -> bool override { return false; }
 
    private:
-    QByteArray* m_output;
+    std::shared_ptr<QByteArray> m_output;
 };
 }  // namespace Net

launcher/net/Download.cpp

@@ -41,6 +41,7 @@
 
 #include <QDateTime>
 #include <QFileInfo>
+#include <memory>
 
 #include "ByteArraySink.h"
 #include "ChecksumValidator.h"
@@ -69,7 +70,7 @@ auto Download::makeCached(QUrl url, MetaEntryPtr entry, Options options) -> Down
     return dl;
 }
 
-auto Download::makeByteArray(QUrl url, QByteArray* output, Options options) -> Download::Ptr
+auto Download::makeByteArray(QUrl url, std::shared_ptr<QByteArray> output, Options options) -> Download::Ptr
 {
     auto dl = makeShared<Download>();
     dl->m_url = url;

launcher/net/Download.h

@@ -60,7 +60,7 @@ class Download : public NetAction {
     ~Download() override = default;
 
     static auto makeCached(QUrl url, MetaEntryPtr entry, Options options = Option::NoOptions) -> Download::Ptr;
-    static auto makeByteArray(QUrl url, QByteArray* output, Options options = Option::NoOptions) -> Download::Ptr;
+    static auto makeByteArray(QUrl url, std::shared_ptr<QByteArray> output, Options options = Option::NoOptions) -> Download::Ptr;
     static auto makeFile(QUrl url, QString path, Options options = Option::NoOptions) -> Download::Ptr;
 
    public:

launcher/net/Upload.cpp

@@ -39,218 +39,226 @@
 #include "Upload.h"
 
 #include <utility>
-#include "ByteArraySink.h"
-#include "BuildConfig.h"
 #include "Application.h"
+#include "BuildConfig.h"
+#include "ByteArraySink.h"
 
 #include "net/Logging.h"
 
 namespace Net {
 
-    bool Upload::abort()
+bool Upload::abort()
-    {
+{
-        if (m_reply) {
+    if (m_reply) {
-            m_reply->abort();
+        m_reply->abort();
-        } else {
+    } else {
-            m_state = State::AbortedByUser;
+        m_state = State::AbortedByUser;
+    }
+    return true;
+}
+
+void Upload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
+{
+    setProgress(bytesReceived, bytesTotal);
+}
+
+void Upload::downloadError(QNetworkReply::NetworkError error)
+{
+    if (error == QNetworkReply::OperationCanceledError) {
+        qCCritical(taskUploadLogC) << getUid().toString() << "Aborted " << m_url.toString();
+        m_state = State::AbortedByUser;
+    } else {
+        // error happened during download.
+        qCCritical(taskUploadLogC) << getUid().toString() << "Failed " << m_url.toString() << " with reason " << error;
+        m_state = State::Failed;
+    }
+}
+
+void Upload::sslErrors(const QList<QSslError>& errors)
+{
+    int i = 1;
+    for (const auto& error : errors) {
+        qCCritical(taskUploadLogC) << getUid().toString() << "Upload" << m_url.toString() << "SSL Error #" << i << " : "
+                                   << error.errorString();
+        auto cert = error.certificate();
+        qCCritical(taskUploadLogC) << getUid().toString() << "Certificate in question:\n" << cert.toText();
+        i++;
+    }
+}
+
+bool Upload::handleRedirect()
+{
+    QUrl redirect = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
+    if (!redirect.isValid()) {
+        if (!m_reply->hasRawHeader("Location")) {
+            // no redirect -> it's fine to continue
+            return false;
         }
-        return true;
+        // there is a Location header, but it's not correct. we need to apply some workarounds...
-    }
+        QByteArray redirectBA = m_reply->rawHeader("Location");
-
+        if (redirectBA.size() == 0) {
-    void Upload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal) {
+            // empty, yet present redirect header? WTF?
-        setProgress(bytesReceived, bytesTotal);
+            return false;
-    }
-
-    void Upload::downloadError(QNetworkReply::NetworkError error) {
-        if (error == QNetworkReply::OperationCanceledError) {
-            qCCritical(taskUploadLogC) << getUid().toString() << "Aborted " << m_url.toString();
-            m_state = State::AbortedByUser;
-        } else {
-            // error happened during download.
-            qCCritical(taskUploadLogC) << getUid().toString() << "Failed " << m_url.toString() << " with reason " << error;
-            m_state = State::Failed;
         }
-    }
+        QString redirectStr = QString::fromUtf8(redirectBA);
-
-    void Upload::sslErrors(const QList<QSslError> &errors) {
-        int i = 1;
-        for (const auto& error : errors) {
-            qCCritical(taskUploadLogC) << getUid().toString() << "Upload" << m_url.toString() << "SSL Error #" << i << " : " << error.errorString();
-            auto cert = error.certificate();
-            qCCritical(taskUploadLogC) << getUid().toString() << "Certificate in question:\n" << cert.toText();
-            i++;
-        }
-    }
-
-    bool Upload::handleRedirect()
-    {
-        QUrl redirect = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
-        if (!redirect.isValid()) {
-            if (!m_reply->hasRawHeader("Location")) {
-                // no redirect -> it's fine to continue
-                return false;
-            }
-            // there is a Location header, but it's not correct. we need to apply some workarounds...
-            QByteArray redirectBA = m_reply->rawHeader("Location");
-            if (redirectBA.size() == 0) {
-                // empty, yet present redirect header? WTF?
-                return false;
-            }
-            QString redirectStr = QString::fromUtf8(redirectBA);
-
-            if (redirectStr.startsWith("//")) {
-                /*
-                 * IF the URL begins with //, we need to insert the URL scheme.
-                 * See: https://bugreports.qt.io/browse/QTBUG-41061
-                 * See: http://tools.ietf.org/html/rfc3986#section-4.2
-                 */
-                redirectStr = m_reply->url().scheme() + ":" + redirectStr;
-            } else if (redirectStr.startsWith("/")) {
-                /*
-                 * IF the URL begins with /, we need to process it as a relative URL
-                 */
-                auto url = m_reply->url();
-                url.setPath(redirectStr, QUrl::TolerantMode);
-                redirectStr = url.toString();
-            }
 
+        if (redirectStr.startsWith("//")) {
             /*
-             * Next, make sure the URL is parsed in tolerant mode. Qt doesn't parse the location header in tolerant mode, which causes issues.
+             * IF the URL begins with //, we need to insert the URL scheme.
-             * FIXME: report Qt bug for this
+             * See: https://bugreports.qt.io/browse/QTBUG-41061
+             * See: http://tools.ietf.org/html/rfc3986#section-4.2
              */
-            redirect = QUrl(redirectStr, QUrl::TolerantMode);
+            redirectStr = m_reply->url().scheme() + ":" + redirectStr;
-            if (!redirect.isValid()) {
+        } else if (redirectStr.startsWith("/")) {
-                qCWarning(taskUploadLogC) << getUid().toString() << "Failed to parse redirect URL:" << redirectStr;
+            /*
-                downloadError(QNetworkReply::ProtocolFailure);
+             * IF the URL begins with /, we need to process it as a relative URL
-                return false;
+             */
-            }
+            auto url = m_reply->url();
-            qCDebug(taskUploadLogC) << getUid().toString() << "Fixed location header:" << redirect;
+            url.setPath(redirectStr, QUrl::TolerantMode);
-        } else {
+            redirectStr = url.toString();
-            qCDebug(taskUploadLogC) << getUid().toString() << "Location header:" << redirect;
         }
 
-        m_url = QUrl(redirect.toString());
+        /*
-        qCDebug(taskUploadLogC) << getUid().toString() << "Following redirect to " << m_url.toString();
+         * Next, make sure the URL is parsed in tolerant mode. Qt doesn't parse the location header in tolerant mode, which causes issues.
-        startAction(m_network);
+         * FIXME: report Qt bug for this
-        return true;
+         */
+        redirect = QUrl(redirectStr, QUrl::TolerantMode);
+        if (!redirect.isValid()) {
+            qCWarning(taskUploadLogC) << getUid().toString() << "Failed to parse redirect URL:" << redirectStr;
+            downloadError(QNetworkReply::ProtocolFailure);
+            return false;
+        }
+        qCDebug(taskUploadLogC) << getUid().toString() << "Fixed location header:" << redirect;
+    } else {
+        qCDebug(taskUploadLogC) << getUid().toString() << "Location header:" << redirect;
     }
 
-    void Upload::downloadFinished() {
+    m_url = QUrl(redirect.toString());
-        // handle HTTP redirection first
+    qCDebug(taskUploadLogC) << getUid().toString() << "Following redirect to " << m_url.toString();
-        // very unlikely for post requests, still can happen
+    startAction(m_network);
-        if (handleRedirect()) {
+    return true;
-            qCDebug(taskUploadLogC) << getUid().toString() << "Upload redirected:" << m_url.toString();
+}
-            return;
-        }
 
-        // if the download failed before this point ...
+void Upload::downloadFinished()
-        if (m_state == State::Succeeded) {
+{
-            qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed but we are allowed to proceed:" << m_url.toString();
+    // handle HTTP redirection first
-            m_sink->abort();
+    // very unlikely for post requests, still can happen
-            m_reply.reset();
+    if (handleRedirect()) {
-            emit succeeded();
+        qCDebug(taskUploadLogC) << getUid().toString() << "Upload redirected:" << m_url.toString();
-            return;
+        return;
-        } else if (m_state == State::Failed) {
+    }
-            qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed in previous step:" << m_url.toString();
-            m_sink->abort();
-            m_reply.reset();
-            emit failed("");
-            return;
-        } else if (m_state == State::AbortedByUser) {
-            qCDebug(taskUploadLogC) << getUid().toString() << "Upload aborted in previous step:" << m_url.toString();
-            m_sink->abort();
-            m_reply.reset();
-            emit aborted();
-            return;
-        }
 
-        // make sure we got all the remaining data, if any
+    // if the download failed before this point ...
-        auto data = m_reply->readAll();
+    if (m_state == State::Succeeded) {
-        if (data.size()) {
+        qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed but we are allowed to proceed:" << m_url.toString();
-            qCDebug(taskUploadLogC) << getUid().toString() << "Writing extra" << data.size() << "bytes";
+        m_sink->abort();
-            m_state = m_sink->write(data);
-        }
-
-        // otherwise, finalize the whole graph
-        m_state = m_sink->finalize(*m_reply.get());
-        if (m_state != State::Succeeded) {
-            qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed to finalize:" << m_url.toString();
-            m_sink->abort();
-            m_reply.reset();
-            emit failed("");
-            return;
-        }
         m_reply.reset();
-        qCDebug(taskUploadLogC) << getUid().toString() << "Upload succeeded:" << m_url.toString();
         emit succeeded();
+        return;
+    } else if (m_state == State::Failed) {
+        qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed in previous step:" << m_url.toString();
+        m_sink->abort();
+        m_reply.reset();
+        emit failed("");
+        return;
+    } else if (m_state == State::AbortedByUser) {
+        qCDebug(taskUploadLogC) << getUid().toString() << "Upload aborted in previous step:" << m_url.toString();
+        m_sink->abort();
+        m_reply.reset();
+        emit aborted();
+        return;
     }
 
-    void Upload::downloadReadyRead() {
+    // make sure we got all the remaining data, if any
-        if (m_state == State::Running) {
+    auto data = m_reply->readAll();
-            auto data = m_reply->readAll();
+    if (data.size()) {
-            m_state = m_sink->write(data);
+        qCDebug(taskUploadLogC) << getUid().toString() << "Writing extra" << data.size() << "bytes";
-        }
+        m_state = m_sink->write(data);
     }
 
-    void Upload::executeTask() {
+    // otherwise, finalize the whole graph
-        setStatus(tr("Uploading %1").arg(m_url.toString()));
+    m_state = m_sink->finalize(*m_reply.get());
+    if (m_state != State::Succeeded) {
+        qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed to finalize:" << m_url.toString();
+        m_sink->abort();
+        m_reply.reset();
+        emit failed("");
+        return;
+    }
+    m_reply.reset();
+    qCDebug(taskUploadLogC) << getUid().toString() << "Upload succeeded:" << m_url.toString();
+    emit succeeded();
+}
 
-        if (m_state == State::AbortedByUser) {
+void Upload::downloadReadyRead()
-            qCWarning(taskUploadLogC) << getUid().toString() << "Attempt to start an aborted Upload:" << m_url.toString();
+{
-            emit aborted();
+    if (m_state == State::Running) {
+        auto data = m_reply->readAll();
+        m_state = m_sink->write(data);
+    }
+}
+
+void Upload::executeTask()
+{
+    setStatus(tr("Uploading %1").arg(m_url.toString()));
+
+    if (m_state == State::AbortedByUser) {
+        qCWarning(taskUploadLogC) << getUid().toString() << "Attempt to start an aborted Upload:" << m_url.toString();
+        emit aborted();
+        return;
+    }
+    QNetworkRequest request(m_url);
+    m_state = m_sink->init(request);
+    switch (m_state) {
+        case State::Succeeded:
+            emitSucceeded();
+            qCDebug(taskUploadLogC) << getUid().toString() << "Upload cache hit " << m_url.toString();
             return;
-        }
+        case State::Running:
-        QNetworkRequest request(m_url);
+            qCDebug(taskUploadLogC) << getUid().toString() << "Uploading " << m_url.toString();
-        m_state = m_sink->init(request);
+            break;
-        switch (m_state) {
+        case State::Inactive:
-            case State::Succeeded:
+        case State::Failed:
-                emitSucceeded();
+            emitFailed("");
-                qCDebug(taskUploadLogC) << getUid().toString() << "Upload cache hit " << m_url.toString();
+            return;
-                return;
+        case State::AbortedByUser:
-            case State::Running:
+            emitAborted();
-                qCDebug(taskUploadLogC) << getUid().toString() << "Uploading " << m_url.toString();
+            return;
-                break;
+    }
-            case State::Inactive:
-            case State::Failed:
-                emitFailed("");
-                return;
-            case State::AbortedByUser:
-                emitAborted();
-                return;
-        }
 
-        request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgent().toUtf8());
+    request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgent().toUtf8());
-        // TODO remove duplication
+    // TODO remove duplication
-        if (APPLICATION->capabilities() & Application::SupportsFlame && request.url().host() == QUrl(BuildConfig.FLAME_BASE_URL).host()) {
+    if (APPLICATION->capabilities() & Application::SupportsFlame && request.url().host() == QUrl(BuildConfig.FLAME_BASE_URL).host()) {
-            request.setRawHeader("x-api-key", APPLICATION->getFlameAPIKey().toUtf8());
+        request.setRawHeader("x-api-key", APPLICATION->getFlameAPIKey().toUtf8());
-        } else if (request.url().host() == QUrl(BuildConfig.MODRINTH_PROD_URL).host() ||
+    } else if (request.url().host() == QUrl(BuildConfig.MODRINTH_PROD_URL).host() ||
-                   request.url().host() == QUrl(BuildConfig.MODRINTH_STAGING_URL).host()) {
+               request.url().host() == QUrl(BuildConfig.MODRINTH_STAGING_URL).host()) {
-            QString token = APPLICATION->getModrinthAPIToken();
+        QString token = APPLICATION->getModrinthAPIToken();
-            if (!token.isNull())
+        if (!token.isNull())
-                request.setRawHeader("Authorization", token.toUtf8());
+            request.setRawHeader("Authorization", token.toUtf8());
-        }
+    }
 
-        //TODO other types of post requests ?
+    // TODO other types of post requests ?
-        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-        QNetworkReply* rep = m_network->post(request, m_post_data);
+    QNetworkReply* rep = m_network->post(request, m_post_data);
 
-        m_reply.reset(rep);
+    m_reply.reset(rep);
-        connect(rep, &QNetworkReply::downloadProgress, this,  &Upload::downloadProgress);
+    connect(rep, &QNetworkReply::downloadProgress, this, &Upload::downloadProgress);
-        connect(rep, &QNetworkReply::finished, this, &Upload::downloadFinished);
+    connect(rep, &QNetworkReply::finished, this, &Upload::downloadFinished);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) // QNetworkReply::errorOccurred added in 5.15
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)  // QNetworkReply::errorOccurred added in 5.15
-        connect(rep, &QNetworkReply::errorOccurred, this, &Upload::downloadError);
+    connect(rep, &QNetworkReply::errorOccurred, this, &Upload::downloadError);
 #else
-        connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &Upload::downloadError);
+    connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &Upload::downloadError);
 #endif
-        connect(rep, &QNetworkReply::sslErrors, this, &Upload::sslErrors);
+    connect(rep, &QNetworkReply::sslErrors, this, &Upload::sslErrors);
-        connect(rep, &QNetworkReply::readyRead, this, &Upload::downloadReadyRead);
+    connect(rep, &QNetworkReply::readyRead, this, &Upload::downloadReadyRead);
-    }
+}
 
-    Upload::Ptr Upload::makeByteArray(QUrl url, QByteArray *output, QByteArray m_post_data) {
+Upload::Ptr Upload::makeByteArray(QUrl url, std::shared_ptr<QByteArray> output, QByteArray m_post_data)
-        auto up = makeShared<Upload>();
+{
-        up->m_url = std::move(url);
+    auto up = makeShared<Upload>();
-        up->m_sink.reset(new ByteArraySink(output));
+    up->m_url = std::move(url);
-        up->m_post_data = std::move(m_post_data);
+    up->m_sink.reset(new ByteArraySink(output));
-        return up;
+    up->m_post_data = std::move(m_post_data);
-    }
+    return up;
-} // Net
+}
+}  // namespace Net

launcher/net/Upload.h

@@ -42,31 +42,31 @@
 
 namespace Net {
 
-    class Upload : public NetAction {
+class Upload : public NetAction {
-        Q_OBJECT
+    Q_OBJECT
 
-    public:
+   public:
-        using Ptr = shared_qobject_ptr<Upload>;
+    using Ptr = shared_qobject_ptr<Upload>;
 
-        static Upload::Ptr makeByteArray(QUrl url, QByteArray *output, QByteArray m_post_data);
+    static Upload::Ptr makeByteArray(QUrl url, std::shared_ptr<QByteArray> output, QByteArray m_post_data);
-        auto abort() -> bool override;
+    auto abort() -> bool override;
-        auto canAbort() const -> bool override { return true; };
+    auto canAbort() const -> bool override { return true; };
 
-    protected slots:
+   protected slots:
-        void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) override;
+    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) override;
-        void downloadError(QNetworkReply::NetworkError error) override;
+    void downloadError(QNetworkReply::NetworkError error) override;
-        void sslErrors(const QList<QSslError> & errors) override;
+    void sslErrors(const QList<QSslError>& errors) override;
-        void downloadFinished() override;
+    void downloadFinished() override;
-        void downloadReadyRead() override;
+    void downloadReadyRead() override;
 
-    public slots:
+   public slots:
-        void executeTask() override;
+    void executeTask() override;
-    private:
-        std::unique_ptr<Sink> m_sink;
-        QByteArray m_post_data;
 
-        bool handleRedirect();
+   private:
-    };
+    std::unique_ptr<Sink> m_sink;
+    QByteArray m_post_data;
 
-} // Net
+    bool handleRedirect();
+};
 
+}  // namespace Net