233 lines
8.8 KiB
C++
233 lines
8.8 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Upload.h"
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#include <utility>
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#include "ByteArraySink.h"
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#include "BuildConfig.h"
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#include "Application.h"
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namespace Net {
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void Upload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal) {
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setProgress(bytesReceived, bytesTotal);
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}
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void Upload::downloadError(QNetworkReply::NetworkError error) {
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if (error == QNetworkReply::OperationCanceledError) {
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qCritical() << "Aborted " << m_url.toString();
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m_state = State::AbortedByUser;
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} else {
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// error happened during download.
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qCritical() << "Failed " << m_url.toString() << " with reason " << error;
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m_state = State::Failed;
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}
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}
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void Upload::sslErrors(const QList<QSslError> &errors) {
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int i = 1;
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for (const auto& error : errors) {
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qCritical() << "Upload" << m_url.toString() << "SSL Error #" << i << " : " << error.errorString();
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auto cert = error.certificate();
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qCritical() << "Certificate in question:\n" << cert.toText();
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i++;
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}
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}
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bool Upload::handleRedirect()
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{
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QUrl redirect = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
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if (!redirect.isValid()) {
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if (!m_reply->hasRawHeader("Location")) {
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// no redirect -> it's fine to continue
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return false;
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}
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// there is a Location header, but it's not correct. we need to apply some workarounds...
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QByteArray redirectBA = m_reply->rawHeader("Location");
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if (redirectBA.size() == 0) {
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// empty, yet present redirect header? WTF?
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return false;
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}
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QString redirectStr = QString::fromUtf8(redirectBA);
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if (redirectStr.startsWith("//")) {
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/*
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* IF the URL begins with //, we need to insert the URL scheme.
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* See: https://bugreports.qt.io/browse/QTBUG-41061
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* See: http://tools.ietf.org/html/rfc3986#section-4.2
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*/
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redirectStr = m_reply->url().scheme() + ":" + redirectStr;
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} else if (redirectStr.startsWith("/")) {
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/*
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* IF the URL begins with /, we need to process it as a relative URL
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*/
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auto url = m_reply->url();
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url.setPath(redirectStr, QUrl::TolerantMode);
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redirectStr = url.toString();
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}
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/*
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* Next, make sure the URL is parsed in tolerant mode. Qt doesn't parse the location header in tolerant mode, which causes issues.
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* FIXME: report Qt bug for this
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*/
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redirect = QUrl(redirectStr, QUrl::TolerantMode);
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if (!redirect.isValid()) {
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qWarning() << "Failed to parse redirect URL:" << redirectStr;
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downloadError(QNetworkReply::ProtocolFailure);
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return false;
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}
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qDebug() << "Fixed location header:" << redirect;
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} else {
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qDebug() << "Location header:" << redirect;
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}
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m_url = QUrl(redirect.toString());
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qDebug() << "Following redirect to " << m_url.toString();
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startAction(m_network);
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return true;
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}
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void Upload::downloadFinished() {
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// handle HTTP redirection first
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// very unlikely for post requests, still can happen
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if (handleRedirect()) {
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qDebug() << "Upload redirected:" << m_url.toString();
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return;
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}
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// if the download failed before this point ...
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if (m_state == State::Succeeded) {
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qDebug() << "Upload failed but we are allowed to proceed:" << m_url.toString();
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m_sink->abort();
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m_reply.reset();
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emit succeeded();
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return;
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} else if (m_state == State::Failed) {
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qDebug() << "Upload failed in previous step:" << m_url.toString();
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m_sink->abort();
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m_reply.reset();
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emit failed("");
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return;
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} else if (m_state == State::AbortedByUser) {
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qDebug() << "Upload aborted in previous step:" << m_url.toString();
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m_sink->abort();
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m_reply.reset();
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emit aborted();
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return;
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}
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// make sure we got all the remaining data, if any
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auto data = m_reply->readAll();
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if (data.size()) {
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qDebug() << "Writing extra" << data.size() << "bytes";
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m_state = m_sink->write(data);
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}
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// otherwise, finalize the whole graph
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m_state = m_sink->finalize(*m_reply.get());
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if (m_state != State::Succeeded) {
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qDebug() << "Upload failed to finalize:" << m_url.toString();
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m_sink->abort();
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m_reply.reset();
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emit failed("");
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return;
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}
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m_reply.reset();
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qDebug() << "Upload succeeded:" << m_url.toString();
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emit succeeded();
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}
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void Upload::downloadReadyRead() {
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if (m_state == State::Running) {
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auto data = m_reply->readAll();
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m_state = m_sink->write(data);
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}
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}
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void Upload::executeTask() {
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setStatus(tr("Uploading %1").arg(m_url.toString()));
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if (m_state == State::AbortedByUser) {
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qWarning() << "Attempt to start an aborted Upload:" << m_url.toString();
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emit aborted();
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return;
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}
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QNetworkRequest request(m_url);
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m_state = m_sink->init(request);
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switch (m_state) {
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case State::Succeeded:
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emitSucceeded();
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qDebug() << "Upload cache hit " << m_url.toString();
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return;
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case State::Running:
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qDebug() << "Uploading " << m_url.toString();
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break;
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case State::Inactive:
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case State::Failed:
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emitFailed("");
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return;
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case State::AbortedByUser:
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emitAborted();
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return;
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}
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request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgent().toUtf8());
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if (APPLICATION->currentCapabilities() & Application::SupportsFlame
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&& request.url().host().contains("api.curseforge.com")) {
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request.setRawHeader("x-api-key", APPLICATION->getFlameAPIKey().toUtf8());
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}
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//TODO other types of post requests ?
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request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
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QNetworkReply* rep = m_network->post(request, m_post_data);
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m_reply.reset(rep);
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connect(rep, SIGNAL(downloadProgress(qint64, qint64)), SLOT(downloadProgress(qint64, qint64)));
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connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
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connect(rep, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(downloadError(QNetworkReply::NetworkError)));
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connect(rep, &QNetworkReply::sslErrors, this, &Upload::sslErrors);
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connect(rep, &QNetworkReply::readyRead, this, &Upload::downloadReadyRead);
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}
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Upload::Ptr Upload::makeByteArray(QUrl url, QByteArray *output, QByteArray m_post_data) {
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auto* up = new Upload();
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up->m_url = std::move(url);
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up->m_sink.reset(new ByteArraySink(output));
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up->m_post_data = std::move(m_post_data);
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return up;
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}
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} // Net
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