Fix Mojang auth failing due to Mojang rejecting requests to the profile endpoint

launcher/minecraft/auth/steps/MinecraftProfileStepMojang.cpp

@@ -0,0 +1,94 @@
+#include "MinecraftProfileStepMojang.h"
+
+#include <QNetworkRequest>
+
+#include "minecraft/auth/AuthRequest.h"
+#include "minecraft/auth/Parsers.h"
+
+MinecraftProfileStepMojang::MinecraftProfileStepMojang(AccountData* data) : AuthStep(data) {
+
+}
+
+MinecraftProfileStepMojang::~MinecraftProfileStepMojang() noexcept = default;
+
+QString MinecraftProfileStepMojang::describe() {
+    return tr("Fetching the Minecraft profile.");
+}
+
+
+void MinecraftProfileStepMojang::perform() {
+    if (m_data->minecraftProfile.id.isEmpty()) {
+        emit finished(AccountTaskState::STATE_FAILED_HARD, tr("A UUID is required to get the profile."));
+        return;
+    }
+
+    // use session server instead of profile due to profile endpoint being locked for locked Mojang accounts
+    QUrl url = QUrl("https://sessionserver.mojang.com/session/minecraft/profile/" + m_data->minecraftProfile.id);
+    QNetworkRequest req = QNetworkRequest(url);
+    AuthRequest *request = new AuthRequest(this);
+    connect(request, &AuthRequest::finished, this, &MinecraftProfileStepMojang::onRequestDone);
+    request->get(req);
+}
+
+void MinecraftProfileStepMojang::rehydrate() {
+    // NOOP, for now. We only save bools and there's nothing to check.
+}
+
+void MinecraftProfileStepMojang::onRequestDone(
+    QNetworkReply::NetworkError error,
+    QByteArray data,
+    QList<QNetworkReply::RawHeaderPair> headers
+) {
+    auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
+    requestor->deleteLater();
+
+#ifndef NDEBUG
+    qDebug() << data;
+#endif
+    if (error == QNetworkReply::ContentNotFoundError) {
+        // NOTE: Succeed even if we do not have a profile. This is a valid account state.
+        if(m_data->type == AccountType::Mojang) {
+            m_data->minecraftEntitlement.canPlayMinecraft = false;
+            m_data->minecraftEntitlement.ownsMinecraft = false;
+        }
+        m_data->minecraftProfile = MinecraftProfile();
+        emit finished(
+            AccountTaskState::STATE_SUCCEEDED,
+            tr("Account has no Minecraft profile.")
+        );
+        return;
+    }
+    if (error != QNetworkReply::NoError) {
+        qWarning() << "Error getting profile:";
+        qWarning() << " HTTP Status:        " << requestor->httpStatus_;
+        qWarning() << " Internal error no.: " << error;
+        qWarning() << " Error string:       " << requestor->errorString_;
+
+        qWarning() << " Response:";
+        qWarning() << QString::fromUtf8(data);
+
+        emit finished(
+            AccountTaskState::STATE_FAILED_SOFT,
+            tr("Minecraft Java profile acquisition failed.")
+        );
+        return;
+    }
+    if(!Parsers::parseMinecraftProfileMojang(data, m_data->minecraftProfile)) {
+        m_data->minecraftProfile = MinecraftProfile();
+        emit finished(
+            AccountTaskState::STATE_FAILED_SOFT,
+            tr("Minecraft Java profile response could not be parsed")
+        );
+        return;
+    }
+
+    if(m_data->type == AccountType::Mojang) {
+        auto validProfile = m_data->minecraftProfile.validity == Katabasis::Validity::Certain;
+        m_data->minecraftEntitlement.canPlayMinecraft = validProfile;
+        m_data->minecraftEntitlement.ownsMinecraft = validProfile;
+    }
+    emit finished(
+        AccountTaskState::STATE_WORKING,
+        tr("Minecraft Java profile acquisition succeeded.")
+    );
+}

launcher/minecraft/auth/steps/MinecraftProfileStepMojang.h

@@ -0,0 +1,22 @@
+#pragma once
+#include <QObject>
+
+#include "QObjectPtr.h"
+#include "minecraft/auth/AuthStep.h"
+
+
+class MinecraftProfileStepMojang : public AuthStep {
+    Q_OBJECT
+
+public:
+    explicit MinecraftProfileStepMojang(AccountData *data);
+    virtual ~MinecraftProfileStepMojang() noexcept;
+
+    void perform() override;
+    void rehydrate() override;
+
+    QString describe() override;
+
+private slots:
+    void onRequestDone(QNetworkReply::NetworkError, QByteArray, QList<QNetworkReply::RawHeaderPair>);
+};