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

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

11 files changed, 670 insertions, 122 deletions

diff --git a/launcher/modplatform/EnsureMetadataTask.cpp b/launcher/modplatform/EnsureMetadataTask.cpp
index 93b5ce76..c3eadd06 100644
--- a/launcher/modplatform/EnsureMetadataTask.cpp
+++ b/launcher/modplatform/EnsureMetadataTask.cpp
@@ -145,7 +145,8 @@ void EnsureMetadataTask::executeTask()
         connect(project_task.get(), &Task::finished, this, [=] {
             invalidade_leftover();
             project_task->deleteLater();
-            m_current_task = nullptr;
+            if (m_current_task)
+                m_current_task.reset();
         });
 
         m_current_task = project_task;
@@ -154,7 +155,8 @@ void EnsureMetadataTask::executeTask()
 
     connect(version_task.get(), &Task::finished, [=] {
         version_task->deleteLater();
-        m_current_task = nullptr;
+        if (m_current_task)
+            m_current_task.reset();
     });
 
     if (m_mods.size() > 1)
diff --git a/launcher/modplatform/ModIndex.h b/launcher/modplatform/ModIndex.h
index 3f51e700..2aa91602 100644
--- a/launcher/modplatform/ModIndex.h
+++ b/launcher/modplatform/ModIndex.h
@@ -128,6 +128,7 @@ struct IndexedPack {
         return std::any_of(versions.constBegin(), versions.constEnd(), [](auto const& v) { return v.is_currently_selected; });
     }
 };
+QString getMetaURL(ResourceProvider provider, QVariant projectID);
 
 struct OverrideDep {
     QString quilt;
diff --git a/launcher/modplatform/flame/FlameAPI.h b/launcher/modplatform/flame/FlameAPI.h
index a0611957..49bc316f 100644
--- a/launcher/modplatform/flame/FlameAPI.h
+++ b/launcher/modplatform/flame/FlameAPI.h
@@ -23,6 +23,8 @@ class FlameAPI : public NetworkResourceAPI {
 
     [[nodiscard]] auto getSortingMethods() const -> QList<ResourceAPI::SortingMethod> override;
 
+    static inline auto validateModLoaders(ModLoaderTypes loaders) -> bool { return loaders & (Forge | Fabric | Quilt); }
+
    private:
     static int getClassId(ModPlatform::ResourceType type)
     {
@@ -77,24 +79,28 @@ class FlameAPI : public NetworkResourceAPI {
 
     [[nodiscard]] std::optional<QString> getVersionsURL(VersionSearchArgs const& args) const override
     {
-        auto mappedModLoader = getMappedModLoader(args.loaders.value());
         auto addonId = args.pack.addonId.toString();
-        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;
-            }
-        }
         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())
+
+        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('&');
     };
diff --git a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
index f003ada9..b57db288 100644
--- a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
+++ b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
@@ -470,8 +470,9 @@ void FlameCreationTask::setupDownloadJob(QEventLoop& loop)
         switch (result.type) {
             case Flame::File::Type::Folder: {
                 logWarning(tr("This 'Folder' may need extracting: %1").arg(relpath));
-                // fall-through intentional, we treat these as plain old mods and dump them wherever.
+                // fallthrough intentional, we treat these as plain old mods and dump them wherever.
             }
+            /* fallthrough */
             case Flame::File::Type::SingleFile:
             case Flame::File::Type::Mod: {
                 if (!result.url.isEmpty()) {
@@ -562,6 +563,8 @@ void FlameCreationTask::validateZIPResouces()
                 if (FS::move(localPath, destPath)) {
                     return destPath;
                 }
+            } else {
+                qDebug() << "Target folder of" << fileName << "is correct at" << targetFolder;
             }
             return localPath;
         };
@@ -583,6 +586,9 @@ void FlameCreationTask::validateZIPResouces()
         QString worldPath;
 
         switch (type) {
+            case PackedResourceType::Mod :
+                validatePath(fileName, targetFolder, "mods");
+                break;
             case PackedResourceType::ResourcePack :
                 validatePath(fileName, targetFolder, "resourcepacks");
                 break;
@@ -592,9 +598,6 @@ void FlameCreationTask::validateZIPResouces()
             case PackedResourceType::DataPack :
                 validatePath(fileName, targetFolder, "datapacks");
                 break;
-            case PackedResourceType::Mod :
-                validatePath(fileName, targetFolder, "mods");
-                break;
             case PackedResourceType::ShaderPack :
                 // in theroy flame API can't do this but who knows, that *may* change ?
                 // better to handle it if it *does* occure in the future
diff --git a/launcher/modplatform/flame/FlamePackExportTask.cpp b/launcher/modplatform/flame/FlamePackExportTask.cpp
new file mode 100644
index 00000000..ac0da214
--- /dev/null
+++ b/launcher/modplatform/flame/FlamePackExportTask.cpp
@@ -0,0 +1,473 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *  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 "FlamePackExportTask.h"
+#include <QJsonArray>
+#include <QJsonObject>
+
+#include <QCryptographicHash>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QtConcurrentRun>
+#include <algorithm>
+#include <memory>
+#include "Json.h"
+#include "MMCZip.h"
+#include "minecraft/PackProfile.h"
+#include "minecraft/mod/ModFolderModel.h"
+#include "modplatform/ModIndex.h"
+#include "modplatform/flame/FlameModIndex.h"
+#include "modplatform/helpers/HashUtils.h"
+#include "tasks/Task.h"
+
+const QString FlamePackExportTask::TEMPLATE = "<li><a href=\"{url}\">{name}{authors}</a></li>\n";
+const QStringList FlamePackExportTask::FILE_EXTENSIONS({ "jar", "zip" });
+
+FlamePackExportTask::FlamePackExportTask(const QString& name,
+                                         const QString& version,
+                                         const QString& author,
+                                         InstancePtr instance,
+                                         const QString& output,
+                                         MMCZip::FilterFunction filter)
+    : name(name)
+    , version(version)
+    , author(author)
+    , instance(instance)
+    , mcInstance(dynamic_cast<MinecraftInstance*>(instance.get()))
+    , gameRoot(instance->gameRoot())
+    , output(output)
+    , filter(filter)
+{}
+
+void FlamePackExportTask::executeTask()
+{
+    setStatus(tr("Searching for files..."));
+    setProgress(0, 5);
+    collectFiles();
+}
+
+bool FlamePackExportTask::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 FlamePackExportTask::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 != nullptr) {
+        mcInstance->loaderModList()->update();
+        connect(mcInstance->loaderModList().get(), &ModFolderModel::updateFinished, this, &FlamePackExportTask::collectHashes);
+    } else
+        collectHashes();
+}
+
+void FlamePackExportTask::collectHashes()
+{
+    setAbortable(true);
+    setStatus(tr("Finding file hashes..."));
+    setProgress(1, 5);
+    auto allMods = mcInstance->loaderModList()->allMods();
+    ConcurrentTask::Ptr hashingTask(new ConcurrentTask(this, "MakeHashesTask", 10));
+    task.reset(hashingTask);
+    for (const QFileInfo& file : files) {
+        const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+        // require sensible file types
+        if (!std::any_of(FILE_EXTENSIONS.begin(), FILE_EXTENSIONS.end(), [&relative](const QString& extension) {
+                return relative.endsWith('.' + extension) || relative.endsWith('.' + extension + ".disabled");
+            }))
+            continue;
+
+        if (relative.startsWith("resourcepacks/") &&
+            (relative.endsWith(".zip") || relative.endsWith(".zip.disabled"))) {  // is resourcepack
+            auto hashTask = Hashing::createFlameHasher(file.absoluteFilePath());
+            connect(hashTask.get(), &Hashing::Hasher::resultsReady, [this, relative, file](QString hash) {
+                if (m_state == Task::State::Running) {
+                    pendingHashes.insert(hash, { relative, file.absoluteFilePath(), relative.endsWith(".zip") });
+                }
+            });
+            connect(hashTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
+            hashingTask->addTask(hashTask);
+            continue;
+        }
+
+        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 || mod->type() == ResourceType::FOLDER) {
+                continue;
+            }
+            if (mod->metadata() && mod->metadata()->provider == ModPlatform::ResourceProvider::FLAME) {
+                resolvedFiles.insert(mod->fileinfo().absoluteFilePath(),
+                                     { mod->metadata()->project_id.toInt(), mod->metadata()->file_id.toInt(), mod->enabled(), true,
+                                       mod->metadata()->name, mod->metadata()->slug, mod->authors().join(", ") });
+                continue;
+            }
+
+            auto hashTask = Hashing::createFlameHasher(mod->fileinfo().absoluteFilePath());
+            connect(hashTask.get(), &Hashing::Hasher::resultsReady, [this, mod](QString hash) {
+                if (m_state == Task::State::Running) {
+                    pendingHashes.insert(hash, { mod->name(), mod->fileinfo().absoluteFilePath(), mod->enabled(), true });
+                }
+            });
+            connect(hashTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
+            hashingTask->addTask(hashTask);
+        }
+    }
+    auto progressStep = std::make_shared<TaskStepProgress>();
+    connect(hashingTask.get(), &Task::finished, this, [this, progressStep] {
+        progressStep->state = TaskStepState::Succeeded;
+        stepProgress(*progressStep);
+    });
+
+    connect(hashingTask.get(), &Task::succeeded, this, &FlamePackExportTask::makeApiRequest);
+    connect(hashingTask.get(), &Task::failed, this, [this, progressStep](QString reason) {
+        progressStep->state = TaskStepState::Failed;
+        stepProgress(*progressStep);
+        emitFailed(reason);
+    });
+    connect(hashingTask.get(), &Task::stepProgress, this, &FlamePackExportTask::propogateStepProgress);
+
+    connect(hashingTask.get(), &Task::progress, this, [this, progressStep](qint64 current, qint64 total) {
+        progressStep->update(current, total);
+        stepProgress(*progressStep);
+    });
+    connect(hashingTask.get(), &Task::status, this, [this, progressStep](QString status) {
+        progressStep->status = status;
+        stepProgress(*progressStep);
+    });
+    hashingTask->start();
+}
+
+void FlamePackExportTask::makeApiRequest()
+{
+    if (pendingHashes.isEmpty()) {
+        buildZip();
+        return;
+    }
+
+    setStatus(tr("Finding versions for hashes..."));
+    setProgress(2, 5);
+    auto response = std::make_shared<QByteArray>();
+
+    QList<uint> fingerprints;
+    for (auto& murmur : pendingHashes.keys()) {
+        fingerprints.push_back(murmur.toUInt());
+    }
+
+    task.reset(api.matchFingerprints(fingerprints, response));
+
+    connect(task.get(), &Task::succeeded, this, [this, response] {
+        QJsonParseError parseError{};
+        QJsonDocument doc = QJsonDocument::fromJson(*response, &parseError);
+        if (parseError.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from CurseForge::CurrentVersions at " << parseError.offset
+                       << " reason: " << parseError.errorString();
+            qWarning() << *response;
+
+            failed(parseError.errorString());
+            return;
+        }
+
+        try {
+            auto docObj = Json::requireObject(doc);
+            auto dataObj = Json::requireObject(docObj, "data");
+            auto dataArr = Json::requireArray(dataObj, "exactMatches");
+
+            if (dataArr.isEmpty()) {
+                qWarning() << "No matches found for fingerprint search!";
+
+                return;
+            }
+            for (auto match : dataArr) {
+                auto matchObj = Json::ensureObject(match, {});
+                auto fileObj = Json::ensureObject(matchObj, "file", {});
+
+                if (matchObj.isEmpty() || fileObj.isEmpty()) {
+                    qWarning() << "Fingerprint match is empty!";
+
+                    return;
+                }
+
+                auto fingerprint = QString::number(Json::ensureVariant(fileObj, "fileFingerprint").toUInt());
+                auto mod = pendingHashes.find(fingerprint);
+                if (mod == pendingHashes.end()) {
+                    qWarning() << "Invalid fingerprint from the API response.";
+                    continue;
+                }
+
+                setStatus(tr("Parsing API response from CurseForge for '%1'...").arg(mod->name));
+                if (Json::ensureBoolean(fileObj, "isAvailable", false, "isAvailable"))
+                    resolvedFiles.insert(mod->path, { Json::requireInteger(fileObj, "modId"), Json::requireInteger(fileObj, "id"),
+                                                      mod->enabled, mod->isMod });
+            }
+
+        } catch (Json::JsonException& e) {
+            qDebug() << e.cause();
+            qDebug() << doc;
+        }
+        pendingHashes.clear();
+    });
+    connect(task.get(), &Task::finished, this, &FlamePackExportTask::getProjectsInfo);
+    connect(task.get(), &NetJob::failed, this, &FlamePackExportTask::emitFailed);
+    task->start();
+}
+
+void FlamePackExportTask::getProjectsInfo()
+{
+    setStatus(tr("Finding project info from CurseForge..."));
+    setProgress(3, 5);
+    QStringList addonIds;
+    for (const auto& resolved : resolvedFiles) {
+        if (resolved.slug.isEmpty()) {
+            addonIds << QString::number(resolved.addonId);
+        }
+    }
+
+    auto response = std::make_shared<QByteArray>();
+    Task::Ptr projTask;
+
+    if (addonIds.isEmpty()) {
+        buildZip();
+        return;
+    } else if (addonIds.size() == 1) {
+        projTask = api.getProject(*addonIds.begin(), response);
+    } else {
+        projTask = api.getProjects(addonIds, response);
+    }
+
+    connect(projTask.get(), &Task::succeeded, this, [this, response, addonIds] {
+        QJsonParseError parseError{};
+        auto doc = QJsonDocument::fromJson(*response, &parseError);
+        if (parseError.error != QJsonParseError::NoError) {
+            qWarning() << "Error while parsing JSON response from CurseForge projects task at " << parseError.offset
+                       << " reason: " << parseError.errorString();
+            qWarning() << *response;
+            failed(parseError.errorString());
+            return;
+        }
+
+        try {
+            QJsonArray entries;
+            if (addonIds.size() == 1)
+                entries = { Json::requireObject(Json::requireObject(doc), "data") };
+            else
+                entries = Json::requireArray(Json::requireObject(doc), "data");
+
+            for (auto entry : entries) {
+                auto entryObj = Json::requireObject(entry);
+
+                try {
+                    setStatus(tr("Parsing API response from CurseForge for '%1'...").arg(Json::requireString(entryObj, "name")));
+
+                    ModPlatform::IndexedPack pack;
+                    FlameMod::loadIndexedPack(pack, entryObj);
+                    for (auto key : resolvedFiles.keys()) {
+                        auto val = resolvedFiles.value(key);
+                        if (val.addonId == pack.addonId) {
+                            val.name = pack.name;
+                            val.slug = pack.slug;
+                            QStringList authors;
+                            for (auto author : pack.authors)
+                                authors << author.name;
+
+                            val.authors = authors.join(", ");
+                            resolvedFiles[key] = val;
+                        }
+                    }
+
+                } catch (Json::JsonException& e) {
+                    qDebug() << e.cause();
+                    qDebug() << entries;
+                }
+            }
+        } catch (Json::JsonException& e) {
+            qDebug() << e.cause();
+            qDebug() << doc;
+        }
+        buildZip();
+    });
+    task.reset(projTask);
+    task->start();
+}
+
+void FlamePackExportTask::buildZip()
+{
+    setStatus(tr("Adding files..."));
+    setProgress(4, 5);
+
+    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("manifest.json"))) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create index"));
+        }
+        indexFile.write(generateIndex());
+
+        QuaZipFile modlist(&zip);
+        if (!modlist.open(QIODevice::WriteOnly, QuaZipNewInfo("modlist.html"))) {
+            QFile::remove(output);
+            return BuildZipResult(tr("Could not create index"));
+        }
+        QString content = "";
+        for (auto mod : resolvedFiles) {
+            if (mod.isMod) {
+                content += QString(TEMPLATE)
+                               .replace("{name}", mod.name.toHtmlEscaped())
+                               .replace("{url}", ModPlatform::getMetaURL(ModPlatform::ResourceProvider::FLAME, mod.addonId).toHtmlEscaped())
+                               .replace("{authors}", !mod.authors.isEmpty() ? QString(" (by %1)").arg(mod.authors).toHtmlEscaped() : "");
+            }
+        }
+        content = "<ul>" + content + "</ul>";
+        modlist.write(content.toUtf8());
+
+        auto progressStep = std::make_shared<TaskStepProgress>();
+
+        size_t progress = 0;
+        for (const QFileInfo& file : files) {
+            if (buildZipFuture.isCanceled()) {
+                QFile::remove(output);
+                progressStep->state = TaskStepState::Failed;
+                stepProgress(*progressStep);
+                return BuildZipResult();
+            }
+            progressStep->update(progress, files.length());
+            stepProgress(*progressStep);
+
+            const QString relative = gameRoot.relativeFilePath(file.absoluteFilePath());
+            if (!resolvedFiles.contains(file.absoluteFilePath()) &&
+                !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);
+            progressStep->state = TaskStepState::Failed;
+            stepProgress(*progressStep);
+            return BuildZipResult(tr("A zip error occurred"));
+        }
+        progressStep->state = TaskStepState::Succeeded;
+        stepProgress(*progressStep);
+        return BuildZipResult();
+    });
+    connect(&buildZipWatcher, &QFutureWatcher<BuildZipResult>::finished, this, &FlamePackExportTask::finish);
+    buildZipWatcher.setFuture(buildZipFuture);
+}
+
+void FlamePackExportTask::finish()
+{
+    if (buildZipFuture.isCanceled())
+        emitAborted();
+    else {
+        const BuildZipResult result = buildZipFuture.result();
+        if (result.has_value())
+            emitFailed(result.value());
+        else
+            emitSucceeded();
+    }
+}
+
+QByteArray FlamePackExportTask::generateIndex()
+{
+    QJsonObject obj;
+    obj["manifestType"] = "minecraftModpack";
+    obj["manifestVersion"] = 1;
+    obj["name"] = name;
+    obj["version"] = version;
+    obj["author"] = author;
+    obj["overrides"] = "overrides";
+    if (mcInstance) {
+        QJsonObject version;
+        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
+        if (minecraft != nullptr)
+            version["version"] = minecraft->m_version;
+        QString id;
+        if (quilt != nullptr)
+            id = "quilt-" + quilt->getVersion();
+        else if (fabric != nullptr)
+            id = "fabric-" + fabric->getVersion();
+        else if (forge != nullptr)
+            id = "forge-" + forge->getVersion();
+        version["modLoaders"] = QJsonArray();
+        if (!id.isEmpty()) {
+            QJsonObject loader;
+            loader["id"] = id;
+            loader["primary"] = true;
+            version["modLoaders"] = QJsonArray({ loader });
+        }
+        obj["minecraft"] = version;
+    }
+
+    QJsonArray files;
+    for (auto mod : resolvedFiles) {
+        QJsonObject file;
+        file["projectID"] = mod.addonId;
+        file["fileID"] = mod.version;
+        file["required"] = mod.enabled;
+        files << file;
+    }
+    obj["files"] = files;
+
+    return QJsonDocument(obj).toJson(QJsonDocument::Compact);
+}
diff --git a/launcher/modplatform/flame/FlamePackExportTask.h b/launcher/modplatform/flame/FlamePackExportTask.h
new file mode 100644
index 00000000..3dee0a7e
--- /dev/null
+++ b/launcher/modplatform/flame/FlamePackExportTask.h
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *  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 <QFuture>
+#include <QFutureWatcher>
+#include "BaseInstance.h"
+#include "MMCZip.h"
+#include "minecraft/MinecraftInstance.h"
+#include "modplatform/flame/FlameAPI.h"
+#include "tasks/Task.h"
+
+class FlamePackExportTask : public Task {
+   public:
+    FlamePackExportTask(const QString& name,
+                        const QString& version,
+                        const QString& author,
+                        InstancePtr instance,
+                        const QString& output,
+                        MMCZip::FilterFunction filter);
+
+   protected:
+    void executeTask() override;
+    bool abort() override;
+
+   private:
+    static const QString TEMPLATE;
+    static const QStringList FILE_EXTENSIONS;
+
+    // inputs
+    const QString name, version, author;
+    const InstancePtr instance;
+    MinecraftInstance* mcInstance;
+    const QDir gameRoot;
+    const QString output;
+    const MMCZip::FilterFunction filter;
+
+    typedef std::optional<QString> BuildZipResult;
+    struct ResolvedFile {
+        int addonId;
+        int version;
+        bool enabled;
+        bool isMod;
+
+        QString name;
+        QString slug;
+        QString authors;
+    };
+    struct HashInfo {
+        QString name;
+        QString path;
+        bool enabled;
+        bool isMod;
+    };
+
+    FlameAPI api;
+
+    QFileInfoList files;
+    QMap<QString, HashInfo> pendingHashes{};
+    QMap<QString, ResolvedFile> resolvedFiles{};
+    Task::Ptr task;
+    QFuture<BuildZipResult> buildZipFuture;
+    QFutureWatcher<BuildZipResult> buildZipWatcher;
+
+    void collectFiles();
+    void collectHashes();
+    void makeApiRequest();
+    void getProjectsInfo();
+    void buildZip();
+    void finish();
+
+    QByteArray generateIndex();
+};
diff --git a/launcher/modplatform/flame/PackManifest.cpp b/launcher/modplatform/flame/PackManifest.cpp
index 22008297..ee4d0766 100644
--- a/launcher/modplatform/flame/PackManifest.cpp
+++ b/launcher/modplatform/flame/PackManifest.cpp
@@ -76,13 +76,8 @@ bool Flame::File::parseFromObject(const QJsonObject& obj,  bool throw_on_blocked
     // It is also optional
     type = File::Type::SingleFile;
 
-    if (fileName.endsWith(".zip")) {
-        // this is probably a resource pack
-        targetFolder = "resourcepacks";
-    } else {
-        // this is probably a mod, dunno what else could modpacks download
-        targetFolder = "mods";
-    }
+    targetFolder = "mods";
+
     // get the hash
     hash = QString();
     auto hashes = Json::ensureArray(obj, "hashes");
diff --git a/launcher/modplatform/legacy_ftb/PackInstallTask.cpp b/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
index 36c142ac..a4c78397 100644
--- a/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
+++ b/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
@@ -37,16 +37,16 @@
 
 #include <QtConcurrent>
 
-#include "MMCZip.h"
 #include "BaseInstance.h"
 #include "FileSystem.h"
-#include "settings/INISettingsObject.h"
+#include "MMCZip.h"
+#include "minecraft/GradleSpecifier.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
-#include "minecraft/GradleSpecifier.h"
+#include "settings/INISettingsObject.h"
 
-#include "BuildConfig.h"
 #include "Application.h"
+#include "BuildConfig.h"
 
 namespace LegacyFTB {
 
@@ -65,6 +65,7 @@ void PackInstallTask::executeTask()
 void PackInstallTask::downloadPack()
 {
     setStatus(tr("Downloading zip for %1").arg(m_pack.name));
+    setProgress(1, 4);
     setAbortable(false);
 
     archivePath = QString("%1/%2/%3").arg(m_pack.dir, m_version.replace(".", "_"), m_pack.file);
@@ -78,11 +79,10 @@ void PackInstallTask::downloadPack()
     }
     netJobContainer->addNetAction(Net::Download::makeFile(url, archivePath));
 
-    connect(netJobContainer.get(), &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
-    connect(netJobContainer.get(), &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
-    connect(netJobContainer.get(), &NetJob::progress, this, &PackInstallTask::onDownloadProgress);
+    connect(netJobContainer.get(), &NetJob::succeeded, this, &PackInstallTask::unzip);
+    connect(netJobContainer.get(), &NetJob::failed, this, &PackInstallTask::emitFailed);
     connect(netJobContainer.get(), &NetJob::stepProgress, this, &PackInstallTask::propogateStepProgress);
-    connect(netJobContainer.get(), &NetJob::aborted, this, &PackInstallTask::onDownloadAborted);
+    connect(netJobContainer.get(), &NetJob::aborted, this, &PackInstallTask::emitAborted);
 
     netJobContainer->start();
 
@@ -90,27 +90,6 @@ void PackInstallTask::downloadPack()
     progress(1, 4);
 }
 
-void PackInstallTask::onDownloadSucceeded()
-{
-    unzip();
-}
-
-void PackInstallTask::onDownloadFailed(QString reason)
-{
-    emitFailed(reason);
-}
-
-void PackInstallTask::onDownloadProgress(qint64 current, qint64 total)
-{
-    progress(current, total * 4);
-    setStatus(tr("Downloading zip for %1 (%2%)").arg(m_pack.name).arg(current / 10));
-}
-
-void PackInstallTask::onDownloadAborted()
-{
-    emitAborted();
-}
-
 void PackInstallTask::unzip()
 {
     setStatus(tr("Extracting modpack"));
@@ -120,16 +99,17 @@ void PackInstallTask::unzip()
     QDir extractDir(m_stagingPath);
 
     m_packZip.reset(new QuaZip(archivePath));
-    if(!m_packZip->open(QuaZip::mdUnzip))
-    {
+    if (!m_packZip->open(QuaZip::mdUnzip)) {
         emitFailed(tr("Failed to open modpack file %1!").arg(archivePath));
         return;
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), QOverload<QString, QString>::of(MMCZip::extractDir), archivePath, extractDir.absolutePath() + "/unzip");
+    m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), QOverload<QString, QString>::of(MMCZip::extractDir), archivePath,
+                                        extractDir.absolutePath() + "/unzip");
 #else
-    m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, archivePath, extractDir.absolutePath() + "/unzip");
+    m_extractFuture =
+        QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, archivePath, extractDir.absolutePath() + "/unzip");
 #endif
     connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &PackInstallTask::onUnzipFinished);
     connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &PackInstallTask::onUnzipCanceled);
@@ -151,11 +131,9 @@ void PackInstallTask::install()
     setStatus(tr("Installing modpack"));
     progress(3, 4);
     QDir unzipMcDir(m_stagingPath + "/unzip/minecraft");
-    if(unzipMcDir.exists())
-    {
-        //ok, found minecraft dir, move contents to instance dir
-        if(!QDir().rename(m_stagingPath + "/unzip/minecraft", m_stagingPath + "/.minecraft"))
-        {
+    if (unzipMcDir.exists()) {
+        // ok, found minecraft dir, move contents to instance dir
+        if (!QDir().rename(m_stagingPath + "/unzip/minecraft", m_stagingPath + "/.minecraft")) {
             emitFailed(tr("Failed to move unzipped Minecraft!"));
             return;
         }
@@ -172,23 +150,20 @@ void PackInstallTask::install()
 
     bool fallback = true;
 
-    //handle different versions
+    // handle different versions
     QFile packJson(m_stagingPath + "/.minecraft/pack.json");
     QDir jarmodDir = QDir(m_stagingPath + "/unzip/instMods");
-    if(packJson.exists())
-    {
+    if (packJson.exists()) {
         packJson.open(QIODevice::ReadOnly | QIODevice::Text);
         QJsonDocument doc = QJsonDocument::fromJson(packJson.readAll());
         packJson.close();
 
-        //we only care about the libs
+        // we only care about the libs
         QJsonArray libs = doc.object().value("libraries").toArray();
 
-        foreach (const QJsonValue &value, libs)
-        {
+        foreach (const QJsonValue& value, libs) {
             QString nameValue = value.toObject().value("name").toString();
-            if(!nameValue.startsWith("net.minecraftforge"))
-            {
+            if (!nameValue.startsWith("net.minecraftforge")) {
                 continue;
             }
 
@@ -199,16 +174,13 @@ void PackInstallTask::install()
             fallback = false;
             break;
         }
-
     }
 
-    if(jarmodDir.exists())
-    {
+    if (jarmodDir.exists()) {
         qDebug() << "Found jarmods, installing...";
 
         QStringList jarmods;
-        for (auto info: jarmodDir.entryInfoList(QDir::NoDotAndDotDot | QDir::Files))
-        {
+        for (auto info : jarmodDir.entryInfoList(QDir::NoDotAndDotDot | QDir::Files)) {
             qDebug() << "Jarmod:" << info.fileName();
             jarmods.push_back(info.absoluteFilePath());
         }
@@ -217,12 +189,11 @@ void PackInstallTask::install()
         fallback = false;
     }
 
-    //just nuke unzip directory, it s not needed anymore
+    // just nuke unzip directory, it s not needed anymore
     FS::deletePath(m_stagingPath + "/unzip");
 
-    if(fallback)
-    {
-        //TODO: Some fallback mechanism... or just keep failing!
+    if (fallback) {
+        // TODO: Some fallback mechanism... or just keep failing!
         emitFailed(tr("No installation method found!"));
         return;
     }
@@ -232,8 +203,7 @@ void PackInstallTask::install()
     progress(4, 4);
 
     instance.setName(name());
-    if(m_instIcon == "default")
-    {
+    if (m_instIcon == "default") {
         m_instIcon = "ftb_logo";
     }
     instance.setIconKey(m_instIcon);
@@ -252,4 +222,4 @@ bool PackInstallTask::abort()
     return InstanceTask::abort();
 }
 
-}
+}  // namespace LegacyFTB
diff --git a/launcher/modplatform/legacy_ftb/PackInstallTask.h b/launcher/modplatform/legacy_ftb/PackInstallTask.h
index da791e06..30ff4859 100644
--- a/launcher/modplatform/legacy_ftb/PackInstallTask.h
+++ b/launcher/modplatform/legacy_ftb/PackInstallTask.h
@@ -1,12 +1,12 @@
 #pragma once
-#include "InstanceTask.h"
-#include "net/NetJob.h"
 #include <quazip/quazip.h>
 #include <quazip/quazipdir.h>
+#include "InstanceTask.h"
+#include "PackHelpers.h"
 #include "meta/Index.h"
 #include "meta/Version.h"
 #include "meta/VersionList.h"
-#include "PackHelpers.h"
+#include "net/NetJob.h"
 
 #include "net/NetJob.h"
 
@@ -14,36 +14,31 @@
 
 namespace LegacyFTB {
 
-class PackInstallTask : public InstanceTask
-{
+class PackInstallTask : public InstanceTask {
     Q_OBJECT
 
-public:
+   public:
     explicit PackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network, Modpack pack, QString version);
-    virtual ~PackInstallTask(){}
+    virtual ~PackInstallTask() {}
 
     bool canAbort() const override { return true; }
     bool abort() override;
 
-protected:
+   protected:
     //! Entry point for tasks.
     virtual void executeTask() override;
 
-private:
+   private:
     void downloadPack();
     void unzip();
     void install();
 
-private slots:
-    void onDownloadSucceeded();
-    void onDownloadFailed(QString reason);
-    void onDownloadProgress(qint64 current, qint64 total);
-    void onDownloadAborted();
+   private slots:
 
     void onUnzipFinished();
     void onUnzipCanceled();
 
-private: /* data */
+   private: /* data */
     shared_qobject_ptr<QNetworkAccessManager> m_network;
     bool abortable = false;
     std::unique_ptr<QuaZip> m_packZip;
@@ -56,4 +51,4 @@ private: /* data */
     QString m_version;
 };
 
-}
+}  // namespace LegacyFTB
diff --git a/launcher/modplatform/modrinth/ModrinthAPI.h b/launcher/modplatform/modrinth/ModrinthAPI.h
index e83ed2bf..58af14cc 100644
--- a/launcher/modplatform/modrinth/ModrinthAPI.h
+++ b/launcher/modplatform/modrinth/ModrinthAPI.h
@@ -38,7 +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, LiteLoader }) {
             if (types & loader) {
                 l << getModLoaderString(loader);
             }
@@ -92,7 +92,7 @@ class ModrinthAPI : public NetworkResourceAPI {
     {
         if (args.loaders.has_value()) {
             if (!validateModLoaders(args.loaders.value())) {
-                qWarning() << "Modrinth only have Forge and Fabric-compatible mods!";
+                qWarning() << "Modrinth - or our interface - does not support any the provided mod loaders!";
                 return {};
             }
         }
@@ -141,7 +141,7 @@ class ModrinthAPI : public NetworkResourceAPI {
         return s.isEmpty() ? QString() : s;
     }
 
-    inline auto validateModLoaders(ModLoaderTypes loaders) const -> bool { return loaders & (Forge | Fabric | Quilt); }
+    static inline auto validateModLoaders(ModLoaderTypes loaders) -> bool { return loaders & (Forge | Fabric | Quilt | LiteLoader); }
 
     [[nodiscard]] std::optional<QString> getDependencyURL(DependencySearchArgs const& args) const override
     {
diff --git a/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp b/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
index 4cd88aa6..30fe566d 100644
--- a/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
+++ b/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
@@ -64,7 +64,8 @@ bool ModrinthPackExportTask::abort()
 
     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.
+        // NOTE: Here we don't do `emitAborted()` because it will be done when `buildZipFuture` actually cancels, which may not occur
+        // immediately.
         return true;
     }
 
@@ -94,6 +95,7 @@ void ModrinthPackExportTask::collectFiles()
 
 void ModrinthPackExportTask::collectHashes()
 {
+    setStatus(tr("Finding file hashes..."));
     for (const QFileInfo& file : files) {
         QCoreApplication::processEvents();
 
@@ -157,6 +159,7 @@ void ModrinthPackExportTask::makeApiRequest()
     if (pendingHashes.isEmpty())
         buildZip();
     else {
+        setStatus(tr("Finding versions for hashes..."));
         auto response = std::make_shared<QByteArray>();
         task = api.currentVersions(pendingHashes.values(), "sha512", response);
         connect(task.get(), &NetJob::succeeded, [this, response]() { parseApiResponse(response); });
@@ -263,13 +266,13 @@ void ModrinthPackExportTask::finish()
 
 QByteArray ModrinthPackExportTask::generateIndex()
 {
-    QJsonObject obj;
-    obj["formatVersion"] = 1;
-    obj["game"] = "minecraft";
-    obj["name"] = name;
-    obj["versionId"] = version;
+    QJsonObject out;
+    out["formatVersion"] = 1;
+    out["game"] = "minecraft";
+    out["name"] = name;
+    out["versionId"] = version;
     if (!summary.isEmpty())
-        obj["summary"] = summary;
+        out["summary"] = summary;
 
     if (mcInstance) {
         auto profile = mcInstance->getPackProfile();
@@ -290,30 +293,40 @@ QByteArray ModrinthPackExportTask::generateIndex()
         if (forge != nullptr)
             dependencies["forge"] = forge->m_version;
 
-        obj["dependencies"] = dependencies;
+        out["dependencies"] = dependencies;
     }
 
-    QJsonArray files;
-    QMapIterator<QString, ResolvedFile> iterator(resolvedFiles);
-    while (iterator.hasNext()) {
-        iterator.next();
+    QJsonArray filesOut;
+    for (auto iterator = resolvedFiles.constBegin(); iterator != resolvedFiles.constEnd(); iterator++) {
+        QJsonObject fileOut;
 
+        QString path = iterator.key();
         const ResolvedFile& value = iterator.value();
 
-        QJsonObject file;
-        file["path"] = iterator.key();
-        file["downloads"] = QJsonArray({ iterator.value().url });
+        // detect disabled mod
+        const QFileInfo pathInfo(path);
+        if (pathInfo.suffix() == "disabled") {
+            // rename it
+            path = pathInfo.dir().filePath(pathInfo.completeBaseName());
+            // ...and make it optional
+            QJsonObject env;
+            env["client"] = "optional";
+            env["server"] = "optional";
+            fileOut["env"] = env;
+        }
+
+        fileOut["path"] = path;
+        fileOut["downloads"] = QJsonArray{ iterator.value().url };
 
         QJsonObject hashes;
         hashes["sha1"] = value.sha1;
         hashes["sha512"] = value.sha512;
+        fileOut["hashes"] = hashes;
 
-        file["hashes"] = hashes;
-        file["fileSize"] = value.size;
-
-        files << file;
+        fileOut["fileSize"] = value.size;
+        filesOut << fileOut;
     }
-    obj["files"] = files;
+    out["files"] = filesOut;
 
-    return QJsonDocument(obj).toJson(QJsonDocument::Compact);
+    return QJsonDocument(out).toJson(QJsonDocument::Compact);
 }