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Simplify Upload and Download

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Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97
2023-06-27 01:01:02 +03:00
parent b142407b21
commit 385babb458
9 changed files with 451 additions and 533 deletions
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216
launcher/net/Upload.cpp
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@ -40,232 +40,22 @@
#include <memory>
#include <utility>
#include "BuildConfig.h"
#include "ByteArraySink.h"
#if defined(LAUNCHER_APPLICATION)
#include "Application.h"
#endif
#include "net/Logging.h"
namespace Net {
bool Upload::abort()
QNetworkReply* Upload::getReply(QNetworkRequest& request)
{
if (m_reply) {
m_reply->abort();
} else {
m_state = State::AbortedByUser;
}
return true;
}
void Upload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
{
setProgress(bytesReceived, bytesTotal);
}
void Upload::downloadError(QNetworkReply::NetworkError error)
{
if (error == QNetworkReply::OperationCanceledError) {
qCCritical(taskUploadLogC) << getUid().toString() << "Aborted " << m_url.toString();
m_state = State::AbortedByUser;
} else {
// error happened during download.
qCCritical(taskUploadLogC) << getUid().toString() << "Failed " << m_url.toString() << " with reason " << error;
m_state = State::Failed;
}
}
void Upload::sslErrors(const QList<QSslError>& errors)
{
int i = 1;
for (const auto& error : errors) {
qCCritical(taskUploadLogC) << getUid().toString() << "Upload" << m_url.toString() << "SSL Error #" << i << " : "
<< error.errorString();
auto cert = error.certificate();
qCCritical(taskUploadLogC) << getUid().toString() << "Certificate in question:\n" << cert.toText();
i++;
}
}
bool Upload::handleRedirect()
{
QUrl redirect = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
if (!redirect.isValid()) {
if (!m_reply->hasRawHeader("Location")) {
// no redirect -> it's fine to continue
return false;
}
// there is a Location header, but it's not correct. we need to apply some workarounds...
QByteArray redirectBA = m_reply->rawHeader("Location");
if (redirectBA.size() == 0) {
// empty, yet present redirect header? WTF?
return false;
}
QString redirectStr = QString::fromUtf8(redirectBA);
if (redirectStr.startsWith("//")) {
/*
* IF the URL begins with //, we need to insert the URL scheme.
* See: https://bugreports.qt.io/browse/QTBUG-41061
* See: http://tools.ietf.org/html/rfc3986#section-4.2
*/
redirectStr = m_reply->url().scheme() + ":" + redirectStr;
} else if (redirectStr.startsWith("/")) {
/*
* IF the URL begins with /, we need to process it as a relative URL
*/
auto url = m_reply->url();
url.setPath(redirectStr, QUrl::TolerantMode);
redirectStr = url.toString();
}
/*
* Next, make sure the URL is parsed in tolerant mode. Qt doesn't parse the location header in tolerant mode, which causes issues.
* FIXME: report Qt bug for this
*/
redirect = QUrl(redirectStr, QUrl::TolerantMode);
if (!redirect.isValid()) {
qCWarning(taskUploadLogC) << getUid().toString() << "Failed to parse redirect URL:" << redirectStr;
downloadError(QNetworkReply::ProtocolFailure);
return false;
}
qCDebug(taskUploadLogC) << getUid().toString() << "Fixed location header:" << redirect;
} else {
qCDebug(taskUploadLogC) << getUid().toString() << "Location header:" << redirect;
}
m_url = QUrl(redirect.toString());
qCDebug(taskUploadLogC) << getUid().toString() << "Following redirect to " << m_url.toString();
startAction(m_network);
return true;
}
void Upload::downloadFinished()
{
// handle HTTP redirection first
// very unlikely for post requests, still can happen
if (handleRedirect()) {
qCDebug(taskUploadLogC) << getUid().toString() << "Upload redirected:" << m_url.toString();
return;
}
// if the download failed before this point ...
if (m_state == State::Succeeded) {
qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed but we are allowed to proceed:" << m_url.toString();
m_sink->abort();
m_reply.reset();
emit succeeded();
emit finished();
return;
} else if (m_state == State::Failed) {
qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed in previous step:" << m_url.toString();
m_sink->abort();
m_reply.reset();
emit failed("");
emit finished();
return;
} else if (m_state == State::AbortedByUser) {
qCDebug(taskUploadLogC) << getUid().toString() << "Upload aborted in previous step:" << m_url.toString();
m_sink->abort();
m_reply.reset();
emit aborted();
emit finished();
return;
}
// make sure we got all the remaining data, if any
auto data = m_reply->readAll();
if (data.size()) {
qCDebug(taskUploadLogC) << getUid().toString() << "Writing extra" << data.size() << "bytes";
m_state = m_sink->write(data);
}
// otherwise, finalize the whole graph
m_state = m_sink->finalize(*m_reply.get());
if (m_state != State::Succeeded) {
qCDebug(taskUploadLogC) << getUid().toString() << "Upload failed to finalize:" << m_url.toString();
m_sink->abort();
m_reply.reset();
emit failed("");
emit finished();
return;
}
m_reply.reset();
qCDebug(taskUploadLogC) << getUid().toString() << "Upload succeeded:" << m_url.toString();
emit succeeded();
emit finished();
}
void Upload::downloadReadyRead()
{
if (m_state == State::Running) {
auto data = m_reply->readAll();
m_state = m_sink->write(data);
}
}
void Upload::executeTask()
{
setStatus(tr("Uploading %1").arg(m_url.toString()));
if (m_state == State::AbortedByUser) {
qCWarning(taskUploadLogC) << getUid().toString() << "Attempt to start an aborted Upload:" << m_url.toString();
emit aborted();
emit finished();
return;
}
QNetworkRequest request(m_url);
m_state = m_sink->init(request);
switch (m_state) {
case State::Succeeded:
emitSucceeded();
qCDebug(taskUploadLogC) << getUid().toString() << "Upload cache hit " << m_url.toString();
return;
case State::Running:
qCDebug(taskUploadLogC) << getUid().toString() << "Uploading " << m_url.toString();
break;
case State::Inactive:
case State::Failed:
emitFailed("");
return;
case State::AbortedByUser:
emitAborted();
return;
}
#if defined(LAUNCHER_APPLICATION)
auto user_agent = APPLICATION->getUserAgent();
#else
auto user_agent = BuildConfig.USER_AGENT;
#endif
request.setHeader(QNetworkRequest::UserAgentHeader, user_agent.toUtf8());
for (auto& header_proxy : m_headerProxies) {
header_proxy->writeHeaders(request);
}
// TODO other types of post requests ?
request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QNetworkReply* rep = m_network->post(request, m_post_data);
m_reply.reset(rep);
connect(rep, &QNetworkReply::downloadProgress, this, &Upload::downloadProgress);
connect(rep, &QNetworkReply::finished, this, &Upload::downloadFinished);
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) // QNetworkReply::errorOccurred added in 5.15
connect(rep, &QNetworkReply::errorOccurred, this, &Upload::downloadError);
#else
connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &Upload::downloadError);
#endif
connect(rep, &QNetworkReply::sslErrors, this, &Upload::sslErrors);
connect(rep, &QNetworkReply::readyRead, this, &Upload::downloadReadyRead);
return m_network->post(request, m_post_data);
}
Upload::Ptr Upload::makeByteArray(QUrl url, std::shared_ptr<QByteArray> output, QByteArray m_post_data)
{
auto up = makeShared<Upload>();
up->logCat = taskUploadLogC;
up->m_url = std::move(url);
up->m_sink.reset(new ByteArraySink(output));
up->m_post_data = std::move(m_post_data);