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Merge pull request #2144 from nextcloud/fix_e2ee_upload_lock_starvation

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Fix e2ee upload lock starvation
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Kevin Ottens 2020-07-01 19:22:45 +02:00 committed by GitHub
commit be4ba031ec
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2 changed files with 46 additions and 8 deletions
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42
src/libsync/propagateupload.cpp
View file

@ -164,6 +164,48 @@ bool PollJob::finished()
return true;
}
PropagateUploadFileCommon::PropagateUploadFileCommon(OwncloudPropagator *propagator, const SyncFileItemPtr &item)
: PropagateItemJob(propagator, item)
, _finished(false)
, _deleteExisting(false)
, _parallelism(FullParallelism)
, _uploadEncryptedHelper(nullptr)
, _uploadingEncrypted(false)
{
const auto rootPath = [=]() {
const auto result = propagator->_remoteFolder;
if (result.startsWith('/')) {
return result.mid(1);
} else {
return result;
}
}();
const auto path = _item->_file;
const auto slashPosition = path.lastIndexOf('/');
const auto parentPath = slashPosition >= 0 ? path.left(slashPosition) : QString();
SyncJournalFileRecord parentRec;
bool ok = propagator->_journal->getFileRecord(parentPath, &parentRec);
if (!ok) {
done(SyncFileItem::NormalError);
return;
}
const auto remoteParentPath = parentRec._e2eMangledName.isEmpty() ? parentPath : parentRec._e2eMangledName;
const auto absoluteRemoteParentPath = remoteParentPath.isEmpty() ? rootPath : rootPath + remoteParentPath + '/';
const auto account = propagator->account();
if (account->capabilities().clientSideEncryptionAvailable() &&
account->e2e()->isFolderEncrypted(absoluteRemoteParentPath)) {
_parallelism = WaitForFinished;
}
}
PropagatorJob::JobParallelism PropagateUploadFileCommon::parallelism()
{
return _parallelism;
}
void PropagateUploadFileCommon::setDeleteExisting(bool enabled)
{
_deleteExisting = enabled;

12
src/libsync/propagateupload.h
View file

@ -226,16 +226,12 @@ protected:
};
UploadFileInfo _fileToUpload;
QByteArray _transmissionChecksumHeader;
JobParallelism _parallelism;
public:
PropagateUploadFileCommon(OwncloudPropagator *propagator, const SyncFileItemPtr &item)
: PropagateItemJob(propagator, item)
, _finished(false)
, _deleteExisting(false)
, _uploadEncryptedHelper(nullptr)
, _uploadingEncrypted(false)
{
}
PropagateUploadFileCommon(OwncloudPropagator *propagator, const SyncFileItemPtr &item);
JobParallelism parallelism() override;
/**
* Whether an existing entity with the same name may be deleted before