/**
* Get the result of a chunk upload.
* @param array $warnings Array of Api upload warnings
* @return array
*/
private function getChunkResult($warnings)
{
$result = [];
if ($warnings && count($warnings) > 0) {
$result['warnings'] = $warnings;
}
$request = $this->getMain()->getRequest();
$chunkPath = $request->getFileTempname('chunk');
$chunkSize = $request->getUpload('chunk')->getSize();
$totalSoFar = $this->mParams['offset'] + $chunkSize;
$minChunkSize = $this->getConfig()->get('MinUploadChunkSize');
// Sanity check sizing
if ($totalSoFar > $this->mParams['filesize']) {
$this->dieUsage('Offset plus current chunk is greater than claimed file size', 'invalid-chunk');
}
// Enforce minimum chunk size
if ($totalSoFar != $this->mParams['filesize'] && $chunkSize < $minChunkSize) {
$this->dieUsage("Minimum chunk size is {$minChunkSize} bytes for non-final chunks", 'chunk-too-small');
}
if ($this->mParams['offset'] == 0) {
$filekey = $this->performStash('critical');
} else {
$filekey = $this->mParams['filekey'];
// Don't allow further uploads to an already-completed session
$progress = UploadBase::getSessionStatus($this->getUser(), $filekey);
if (!$progress) {
// Probably can't get here, but check anyway just in case
$this->dieUsage('No chunked upload session with this key', 'stashfailed');
} elseif ($progress['result'] !== 'Continue' || $progress['stage'] !== 'uploading') {
$this->dieUsage('Chunked upload is already completed, check status for details', 'stashfailed');
}
$status = $this->mUpload->addChunk($chunkPath, $chunkSize, $this->mParams['offset']);
if (!$status->isGood()) {
$extradata = ['offset' => $this->mUpload->getOffset()];
$this->dieStatusWithCode($status, 'stashfailed', $extradata);
}
}
// Check we added the last chunk:
if ($totalSoFar == $this->mParams['filesize']) {
if ($this->mParams['async']) {
UploadBase::setSessionStatus($this->getUser(), $filekey, ['result' => 'Poll', 'stage' => 'queued', 'status' => Status::newGood()]);
JobQueueGroup::singleton()->push(new AssembleUploadChunksJob(Title::makeTitle(NS_FILE, $filekey), ['filename' => $this->mParams['filename'], 'filekey' => $filekey, 'session' => $this->getContext()->exportSession()]));
$result['result'] = 'Poll';
$result['stage'] = 'queued';
} else {
$status = $this->mUpload->concatenateChunks();
if (!$status->isGood()) {
UploadBase::setSessionStatus($this->getUser(), $filekey, ['result' => 'Failure', 'stage' => 'assembling', 'status' => $status]);
$this->dieStatusWithCode($status, 'stashfailed');
}
// We can only get warnings like 'duplicate' after concatenating the chunks
$warnings = $this->getApiWarnings();
if ($warnings) {
$result['warnings'] = $warnings;
}
// The fully concatenated file has a new filekey. So remove
// the old filekey and fetch the new one.
UploadBase::setSessionStatus($this->getUser(), $filekey, false);
$this->mUpload->stash->removeFile($filekey);
$filekey = $this->mUpload->getStashFile()->getFileKey();
$result['result'] = 'Success';
}
} else {
UploadBase::setSessionStatus($this->getUser(), $filekey, ['result' => 'Continue', 'stage' => 'uploading', 'offset' => $totalSoFar, 'status' => Status::newGood()]);
$result['result'] = 'Continue';
$result['offset'] = $totalSoFar;
}
$result['filekey'] = $filekey;
return $result;
}
