/**
* Append the final chunk and ready file for parent::performUpload()
* @return FileRepoStatus
*/
public function concatenateChunks()
{
$chunkIndex = $this->getChunkIndex();
wfDebug(__METHOD__ . " concatenate {$this->mChunkIndex} chunks:" . $this->getOffset() . ' inx:' . $chunkIndex . "\n");
// Concatenate all the chunks to mVirtualTempPath
$fileList = [];
// The first chunk is stored at the mVirtualTempPath path so we start on "chunk 1"
for ($i = 0; $i <= $chunkIndex; $i++) {
$fileList[] = $this->getVirtualChunkLocation($i);
}
// Get the file extension from the last chunk
$ext = FileBackend::extensionFromPath($this->mVirtualTempPath);
// Get a 0-byte temp file to perform the concatenation at
$tmpFile = TempFSFile::factory('chunkedupload_', $ext, wfTempDir());
$tmpPath = false;
// fail in concatenate()
if ($tmpFile) {
// keep alive with $this
$tmpPath = $tmpFile->bind($this)->getPath();
}
// Concatenate the chunks at the temp file
$tStart = microtime(true);
$status = $this->repo->concatenate($fileList, $tmpPath, FileRepo::DELETE_SOURCE);
$tAmount = microtime(true) - $tStart;
if (!$status->isOK()) {
return $status;
}
wfDebugLog('fileconcatenate', "Combined {$i} chunks in {$tAmount} seconds.");
// File system path of the actual full temp file
$this->setTempFile($tmpPath);
$ret = $this->verifyUpload();
if ($ret['status'] !== UploadBase::OK) {
wfDebugLog('fileconcatenate', "Verification failed for chunked upload");
$status->fatal($this->getVerificationErrorCode($ret['status']));
return $status;
}
// Update the mTempPath and mStashFile
// (for FileUpload or normal Stash to take over)
$tStart = microtime(true);
// This is a re-implementation of UploadBase::tryStashFile(), we can't call it because we
// override doStashFile() with completely different functionality in this class...
$error = $this->runUploadStashFileHook($this->user);
if ($error) {
call_user_func_array([$status, 'fatal'], $error);
return $status;
}
try {
$this->mStashFile = parent::doStashFile($this->user);
} catch (UploadStashException $e) {
$status->fatal('uploadstash-exception', get_class($e), $e->getMessage());
return $status;
}
$tAmount = microtime(true) - $tStart;
$this->mStashFile->setLocalReference($tmpFile);
// reuse (e.g. for getImageInfo())
wfDebugLog('fileconcatenate', "Stashed combined file ({$i} chunks) in {$tAmount} seconds.");
return $status;
}
