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/*
* Copyright (C) by Olivier Goffart <ogoffart@owncloud.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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#include "propagateremotemkdir.h"
#include "owncloudpropagator_p.h"
#include "account.h"
#include "common/syncjournalfilerecord.h"
#include "propagateremotedelete.h"
#include "common/asserts.h"
#include <QFile>
#include <QLoggingCategory>
#include <QtConcurrent>
using namespace std::chrono_literals;
namespace {
constexpr auto UpdateMetaDataRetyTimeOut = 30s;
}
namespace OCC {
Q_LOGGING_CATEGORY(lcPropagateRemoteMkdir, "sync.propagator.remotemkdir", QtInfoMsg)
void PropagateRemoteMkdir::start()
{
if (propagator()->_abortRequested)
return;
qCDebug(lcPropagateRemoteMkdir) << _item->_file;
propagator()->_activeJobList.append(this);
if (!_deleteExisting) {
return slotStartMkcolJob();
}
_job = new DeleteJob(propagator()->account(), propagator()->webDavUrl(),
propagator()->fullRemotePath(_item->_file),
this);
connect(qobject_cast<DeleteJob *>(_job), &DeleteJob::finishedSignal, this, &PropagateRemoteMkdir::slotStartMkcolJob);
_job->start();
}
void PropagateRemoteMkdir::slotStartMkcolJob()
{
if (propagator()->_abortRequested)
return;
qCDebug(lcPropagateRemoteMkdir) << _item->_file;
_job = new MkColJob(propagator()->account(), propagator()->webDavUrl(),
propagator()->fullRemotePath(_item->_file), {},
this);
connect(qobject_cast<MkColJob *>(_job), &MkColJob::finishedWithError, this, &PropagateRemoteMkdir::slotMkcolJobFinished);
connect(qobject_cast<MkColJob *>(_job), &MkColJob::finishedWithoutError, this, &PropagateRemoteMkdir::slotMkcolJobFinished);
_job->start();
}
void PropagateRemoteMkdir::abort(PropagatorJob::AbortType abortType)
{
if (_job && _job->reply())
_job->reply()->abort();
if (abortType == AbortType::Asynchronous) {
emit abortFinished();
}
}
void PropagateRemoteMkdir::setDeleteExisting(bool enabled)
{
_deleteExisting = enabled;
}
void PropagateRemoteMkdir::slotMkcolJobFinished()
{
propagator()->_activeJobList.removeOne(this);
OC_ASSERT(_job);
QNetworkReply::NetworkError err = _job->reply()->error();
_item->_httpErrorCode = _job->reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
_item->_responseTimeStamp = _job->responseTimestamp();
_item->_requestId = _job->requestId();
if (_item->_httpErrorCode == 405) {
// This happens when the directory already exists. Nothing to do.
} else if (err != QNetworkReply::NoError) {
SyncFileItem::Status status = classifyError(err, _item->_httpErrorCode,
&propagator()->_anotherSyncNeeded);
done(status, _job->errorString());
return;
} else if (_item->_httpErrorCode != 201) {
// Normally we expect "201 Created"
// If it is not the case, it might be because of a proxy or gateway intercepting the request, so we must
// throw an error.
done(SyncFileItem::NormalError,
tr("Wrong HTTP code returned by server. Expected 201, but received \"%1 %2\".")
.arg(_item->_httpErrorCode)
.arg(_job->reply()->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString()));
return;
}
_item->_fileId = _job->reply()->rawHeader("OC-FileId");
propagator()->_activeJobList.append(this);
auto propfindJob = new PropfindJob(_job->account(), _job->baseUrl(), _job->path(), this);
propfindJob->setProperties({"http://owncloud.org/ns:permissions"});
connect(propfindJob, &PropfindJob::result, this, [this](const QMap<QString, QString> &result) {
propagator()->_activeJobList.removeOne(this);
_item->_remotePerm = RemotePermissions::fromServerString(result.value(QStringLiteral("permissions")));
success();
});
connect(propfindJob, &PropfindJob::finishedWithError, this, [this]{
// ignore the PROPFIND error
propagator()->_activeJobList.removeOne(this);
done(SyncFileItem::NormalError);
});
propfindJob->start();
}
void PropagateRemoteMkdir::success()
{
// Never save the etag on first mkdir.
// Only fully propagated directories should have the etag set.
auto itemCopy = SyncFileItemPtr::create(*_item);
itemCopy->_etag.clear();
// save the file id already so we can detect rename or remove
// also convert to a placeholder for the proper behaviour of the file
const auto result = propagator()->updateMetadata(*itemCopy);
if (!result) {
done(SyncFileItem::FatalError, tr("Error writing metadata to the database: %1").arg(result.error()));
return;
}
#ifdef Q_OS_WIN
else if (result.get() == Vfs::ConvertToPlaceholderResult::Locked) {
// updateMetadata invokes convertToPlaceholder
// On Windows convertToPlaceholder can be blocked by the OS
// in case the file lock is active.
// Retry the conversion for UpdateMetaDataRetyTimeOut
// TODO: make update updateMetadata async in general
retryUpdateMetadata(std::chrono::steady_clock::now(), itemCopy);
return;
}
#else
Q_UNUSED(UpdateMetaDataRetyTimeOut);
#endif
done(SyncFileItem::Success);
}
#ifdef Q_OS_WIN
void PropagateRemoteMkdir::retryUpdateMetadata(std::chrono::steady_clock::time_point start, SyncFileItemPtr item)
{
// Try to update the meta data with a 30s timeout
if ((std::chrono::steady_clock::now() - start) < UpdateMetaDataRetyTimeOut) {
auto result = propagator()->updateMetadata(*item);
if (result) {
switch (*result) {
case Vfs::ConvertToPlaceholderResult::Ok:
done(SyncFileItem::Success);
return;
case Vfs::ConvertToPlaceholderResult::Locked:
// retry in 1s
QTimer::singleShot(1s, this, [start, item, this] {
retryUpdateMetadata(start, item);
});
return;
case Vfs::ConvertToPlaceholderResult::Error:
Q_UNREACHABLE();
}
} else {
done(SyncFileItem::FatalError, result.error());
return;
}
}
done(SyncFileItem::SoftError, tr("Setting file status failed due to file lock"));
};
#endif
}
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