Merge branch 'develop' of https://github.com/PrismLauncher/PrismLauncher into feat/acknowledge_release_type

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

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,
-                        QString hash_format,
-                        QByteArray* response) -> Task::Ptr;
+    auto currentVersion(QString hash, QString hash_format, std::shared_ptr<QByteArray> response) -> Task::Ptr;
 
-    auto currentVersions(const QStringList& hashes,
-                         QString hash_format,
-                         QByteArray* response) -> Task::Ptr;
+    auto currentVersions(const QStringList& hashes, QString hash_format, std::shared_ptr<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<ModLoaderTypes> loaders,
-                        QByteArray* response) -> Task::Ptr;
+                        std::optional<std::list<Version>> mcVersions,
+                        std::optional<ModLoaderTypes> loaders,
+                        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
-    {
-        return loaders & (Forge | Fabric | Quilt);
-    }
+    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool { 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, [&] {
-                QString hash (hash_task->getResult());
+            connect(hash_task.get(), &Hashing::Hasher::resultsReady, [&hashes, &mappings, mod](QString hash) {
                 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;
-                    pack.name = mod->name();
-                    pack.slug = mod->metadata()->slug;
-                    pack.addonId = mod->metadata()->project_id;
-                    pack.websiteUrl = mod->homeurl();
+                    auto pack = std::make_shared<ModPlatform::IndexedPack>();
+                    pack->name = mod->name();
+                    pack->slug = mod->metadata()->slug;
+                    pack->addonId = mod->metadata()->project_id;
+                    pack->websiteUrl = mod->homeurl();
                     for (auto& author : mod->authors())
-                        pack.authors.append({ author });
-                    pack.description = mod->description();
-                    pack.provider = ModPlatform::ResourceProvider::MODRINTH;
+                        pack->authors.append({ author });
+                    pack->description = mod->description();
+                    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.verison_type,
+                    m_updatable.emplace_back(pack->name, hash, mod->version(), project_ver.version_number, project_ver.verison_type,
                                              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;
@@ -143,6 +143,28 @@ auto Modrinth::loadIndexedPackVersion(QJsonObject& obj, QString preferred_hash_t
 
     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;
 
@@ -198,3 +220,22 @@ 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