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Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
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Trial97
2024-02-02 15:51:32 +02:00
parent 6c5bb3817b
commit 3c58fb0677
25 changed files with 254 additions and 224 deletions
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127
launcher/java/download/ManifestDownloadTask.cpp Normal file
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// 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 "java/download/ManifestDownloadTask.h"
#include "Application.h"
#include "FileSystem.h"
#include "Json.h"
#include "net/ChecksumValidator.h"
#include "net/NetJob.h"
struct File {
QString path;
QString url;
QByteArray hash;
bool isExec;
};
namespace Java {
ManifestDownloadTask::ManifestDownloadTask(QUrl url, QString final_path, QString checksumType, QString checksumHash)
: m_url(url), m_final_path(final_path), m_checksum_type(checksumType), m_checksum_hash(checksumHash)
{}
void ManifestDownloadTask::executeTask()
{
setStatus(tr("Downloading Java"));
auto download = makeShared<NetJob>(QString("JRE::DownloadJava"), APPLICATION->network());
auto files = std::make_shared<QByteArray>();
auto action = Net::Download::makeByteArray(m_url, files);
if (!m_checksum_hash.isEmpty() && !m_checksum_type.isEmpty()) {
auto hashType = QCryptographicHash::Algorithm::Sha1;
if (m_checksum_type == "sha256") {
hashType = QCryptographicHash::Algorithm::Sha256;
}
action->addValidator(new Net::ChecksumValidator(hashType, QByteArray::fromHex(m_checksum_hash.toUtf8())));
}
download->addNetAction(action);
connect(download.get(), &NetJob::finished, [download, this] { disconnect(this, &Task::aborted, download.get(), &NetJob::abort); });
connect(download.get(), &NetJob::progress, this, &ManifestDownloadTask::progress);
connect(download.get(), &NetJob::failed, this, &ManifestDownloadTask::emitFailed);
connect(this, &Task::aborted, download.get(), &NetJob::abort);
connect(download.get(), &NetJob::succeeded, [files, this] {
QJsonParseError parse_error{};
QJsonDocument doc = QJsonDocument::fromJson(*files, &parse_error);
if (parse_error.error != QJsonParseError::NoError) {
qWarning() << "Error while parsing JSON response at " << parse_error.offset << " reason: " << parse_error.errorString();
qWarning() << *files;
emitFailed(parse_error.errorString());
return;
}
downloadJava(doc);
});
download->start();
}
void ManifestDownloadTask::downloadJava(const QJsonDocument& doc)
{
// valid json doc, begin making jre spot
FS::ensureFolderPathExists(m_final_path);
std::vector<File> toDownload;
auto list = Json::ensureObject(Json::ensureObject(doc.object()), "files");
for (const auto& paths : list.keys()) {
auto file = FS::PathCombine(m_final_path, paths);
const QJsonObject& meta = Json::ensureObject(list, paths);
auto type = Json::ensureString(meta, "type");
if (type == "directory") {
FS::ensureFolderPathExists(file);
} else if (type == "link") {
// this is linux only !
auto path = Json::ensureString(meta, "target");
if (!path.isEmpty()) {
auto target = FS::PathCombine(file, "../" + path);
QFile(target).link(file);
}
} else if (type == "file") {
// TODO download compressed version if it exists ?
auto raw = Json::ensureObject(Json::ensureObject(meta, "downloads"), "raw");
auto isExec = Json::ensureBoolean(meta, "executable", false);
auto url = Json::ensureString(raw, "url");
if (!url.isEmpty() && QUrl(url).isValid()) {
auto f = File{ file, url, QByteArray::fromHex(Json::ensureString(raw, "sha1").toLatin1()), isExec };
toDownload.push_back(f);
}
}
}
auto elementDownload = new NetJob("JRE::FileDownload", APPLICATION->network());
for (const auto& file : toDownload) {
auto dl = Net::Download::makeFile(file.url, file.path);
if (!file.hash.isEmpty()) {
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, file.hash));
}
if (file.isExec) {
connect(dl.get(), &Net::Download::succeeded,
[file] { QFile(file.path).setPermissions(QFile(file.path).permissions() | QFileDevice::Permissions(0x1111)); });
}
elementDownload->addNetAction(dl);
}
connect(elementDownload, &NetJob::finished, [elementDownload, this] {
disconnect(this, &Task::aborted, elementDownload, &NetJob::abort);
elementDownload->deleteLater();
});
connect(elementDownload, &NetJob::progress, this, &ManifestDownloadTask::progress);
connect(elementDownload, &NetJob::failed, this, &ManifestDownloadTask::emitFailed);
connect(this, &Task::aborted, elementDownload, &NetJob::abort);
connect(elementDownload, &NetJob::succeeded, [this] { emitSucceeded(); });
elementDownload->start();
}
} // namespace Java