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propagateremotemove.cpp
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propagateremotemove.cpp
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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 "propagateremotemove.h"
#include "propagatorjobs.h"
#include "owncloudpropagator_p.h"
#include "account.h"
#include "common/syncjournalfilerecord.h"
#include "filesystem.h"
#include "common/asserts.h"
#include <QFile>
#include <QStringList>
#include <QDir>
namespace OCC {
Q_LOGGING_CATEGORY(lcMoveJob, "sync.networkjob.move", QtInfoMsg)
Q_LOGGING_CATEGORY(lcPropagateRemoteMove, "sync.propagator.remotemove", QtInfoMsg)
MoveJob::MoveJob(AccountPtr account, const QString &path,
const QString &destination, QObject *parent)
: AbstractNetworkJob(account, path, parent)
, _destination(destination)
{
}
MoveJob::MoveJob(AccountPtr account, const QUrl &url, const QString &destination,
QMap<QByteArray, QByteArray> extraHeaders, QObject *parent)
: AbstractNetworkJob(account, QString(), parent)
, _destination(destination)
, _url(url)
, _extraHeaders(extraHeaders)
{
}
void MoveJob::start()
{
QNetworkRequest req;
req.setRawHeader("Destination", QUrl::toPercentEncoding(_destination, "/"));
for (auto it = _extraHeaders.constBegin(); it != _extraHeaders.constEnd(); ++it) {
req.setRawHeader(it.key(), it.value());
}
if (_url.isValid()) {
sendRequest("MOVE", _url, req);
} else {
sendRequest("MOVE", makeDavUrl(path()), req);
}
if (reply()->error() != QNetworkReply::NoError) {
qCWarning(lcPropagateRemoteMove) << " Network error: " << reply()->errorString();
}
AbstractNetworkJob::start();
}
bool MoveJob::finished()
{
qCInfo(lcMoveJob) << "MOVE of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
emit finishedSignal();
return true;
}
void PropagateRemoteMove::start()
{
if (propagator()->_abortRequested.fetchAndAddRelaxed(0))
return;
qCDebug(lcPropagateRemoteMove) << _item->_file << _item->_renameTarget;
QString targetFile(propagator()->getFilePath(_item->_renameTarget));
if (_item->_file == _item->_renameTarget) {
// The parent has been renamed already so there is nothing more to do.
finalize();
return;
}
QString source = propagator()->_remoteFolder + _item->_file;
QString destination = QDir::cleanPath(propagator()->account()->url().path() + QLatin1Char('/')
+ propagator()->account()->davPath() + propagator()->_remoteFolder + _item->_renameTarget);
if (_item->_type == ItemTypeVirtualFile || _item->_type == ItemTypeVirtualFileDownload) {
auto suffix = propagator()->syncOptions()._virtualFileSuffix;
ASSERT(source.endsWith(suffix) && destination.endsWith(suffix));
if (source.endsWith(suffix) && destination.endsWith(suffix)) {
source.chop(suffix.size());
destination.chop(suffix.size());
}
}
qCDebug(lcPropagateRemoteMove) << source << destination;
_job = new MoveJob(propagator()->account(), source, destination, this);
connect(_job.data(), &MoveJob::finishedSignal, this, &PropagateRemoteMove::slotMoveJobFinished);
propagator()->_activeJobList.append(this);
_job->start();
}
void PropagateRemoteMove::abort(PropagatorJob::AbortType abortType)
{
if (_job && _job->reply())
_job->reply()->abort();
if (abortType == AbortType::Asynchronous) {
emit abortFinished();
}
}
void PropagateRemoteMove::slotMoveJobFinished()
{
propagator()->_activeJobList.removeOne(this);
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 (err != QNetworkReply::NoError) {
SyncFileItem::Status status = classifyError(err, _item->_httpErrorCode,
&propagator()->_anotherSyncNeeded);
done(status, _job->errorString());
return;
}
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;
}
finalize();
}
void PropagateRemoteMove::finalize()
{
SyncJournalFileRecord oldRecord;
propagator()->_journal->getFileRecord(_item->_originalFile, &oldRecord);
// if reading from db failed still continue hoping that deleteFileRecord
// reopens the db successfully.
// The db is only queried to transfer the content checksum from the old
// to the new record. It is not a problem to skip it here.
propagator()->_journal->deleteFileRecord(_item->_originalFile);
SyncJournalFileRecord record = _item->toSyncJournalFileRecordWithInode(propagator()->getFilePath(_item->_renameTarget));
record._path = _item->_renameTarget.toUtf8();
if (oldRecord.isValid()) {
record._checksumHeader = oldRecord._checksumHeader;
if (record._fileSize != oldRecord._fileSize) {
qCWarning(lcPropagateRemoteMove) << "File sizes differ on server vs sync journal: " << record._fileSize << oldRecord._fileSize;
// the server might have claimed a different size, we take the old one from the DB
record._fileSize = oldRecord._fileSize;
}
}
if (!propagator()->_journal->setFileRecord(record)) {
done(SyncFileItem::FatalError, tr("Error writing metadata to the database"));
return;
}
if (_item->isDirectory()) {
if (!adjustSelectiveSync(propagator()->_journal, _item->_file, _item->_renameTarget)) {
done(SyncFileItem::FatalError, tr("Error writing metadata to the database"));
return;
}
}
propagator()->_journal->commit("Remote Rename");
done(SyncFileItem::Success);
}
bool PropagateRemoteMove::adjustSelectiveSync(SyncJournalDb *journal, const QString &from_, const QString &to_)
{
bool ok;
// We only care about preserving the blacklist. The white list should anyway be empty.
// And the undecided list will be repopulated on the next sync, if there is anything too big.
QStringList list = journal->getSelectiveSyncList(SyncJournalDb::SelectiveSyncBlackList, &ok);
if (!ok)
return false;
bool changed = false;
ASSERT(!from_.endsWith(QLatin1String("/")));
ASSERT(!to_.endsWith(QLatin1String("/")));
QString from = from_ + QLatin1String("/");
QString to = to_ + QLatin1String("/");
for (auto it = list.begin(); it != list.end(); ++it) {
if (it->startsWith(from)) {
*it = it->replace(0, from.size(), to);
changed = true;
}
}
if (changed) {
journal->setSelectiveSyncList(SyncJournalDb::SelectiveSyncBlackList, list);
}
return true;
}
}