/**
* Create new file and write into it from file pointer.
* Return new file path or false on error.
*
* @param resource $fp file pointer
* @param string $dir target dir path
* @param string $name file name
* @param array $stat file stat (required by some virtual fs)
*
* @return bool|string
*
* @author Dmitry (dio) Levashov
**/
protected function _save($fp, $path, $name, $stat)
{
if ($name !== '') {
$path .= '/' . $name;
}
list($parentId, $itemId, $parent) = $this->_gd_splitPath($path);
if ($name === '') {
$stat['iid'] = $itemId;
}
if (!$stat || empty($stat['iid'])) {
$opts = ['q' => sprintf('trashed=false and "%s" in parents and name="%s"', $parentId, $name), 'fields' => self::FETCHFIELDS_LIST];
$srcFile = $this->_gd_query($opts);
$srcFile = empty($srcFile) ? null : $srcFile[0];
} else {
$srcFile = $this->_gd_getFile($path);
}
try {
$mode = 'update';
$mime = isset($stat['mime']) ? $stat['mime'] : '';
$file = new Google_Service_Drive_DriveFile();
if ($srcFile) {
$mime = $srcFile->getMimeType();
} else {
$mode = 'insert';
$file->setName($name);
$file->setParents([$parentId]);
}
if (!$mime) {
$mime = self::mimetypeInternalDetect($name);
}
if ($mime === 'unknown') {
$mime = 'application/octet-stream';
}
$file->setMimeType($mime);
$size = 0;
if (isset($stat['size'])) {
$size = $stat['size'];
} else {
$fstat = fstat($fp);
if (!empty($fstat['size'])) {
$size = $fstat['size'];
}
}
// set chunk size (max: 100MB)
$chunkSizeBytes = 100 * 1024 * 1024;
if ($size > 0) {
$memory = elFinder::getIniBytes('memory_limit');
if ($memory) {
$chunkSizeBytes = min([$chunkSizeBytes, intval($memory / 4 / 256) * 256]);
}
}
if ($size > $chunkSizeBytes) {
$client = $this->client;
// Call the API with the media upload, defer so it doesn't immediately return.
$client->setDefer(true);
if ($mode === 'insert') {
$request = $this->service->files->create($file, ['fields' => self::FETCHFIELDS_GET]);
} else {
$request = $this->service->files->update($srcFile->getId(), $file, ['fields' => self::FETCHFIELDS_GET]);
}
// Create a media file upload to represent our upload process.
$media = new Google_Http_MediaFileUpload($client, $request, $mime, null, true, $chunkSizeBytes);
$media->setFileSize($size);
// Upload the various chunks. $status will be false until the process is
// complete.
$status = false;
while (!$status && !feof($fp)) {
elFinder::extendTimeLimit();
// read until you get $chunkSizeBytes from TESTFILE
// fread will never return more than 8192 bytes if the stream is read buffered and it does not represent a plain file
// An example of a read buffered file is when reading from a URL
$chunk = $this->_gd_readFileChunk($fp, $chunkSizeBytes);
$status = $media->nextChunk($chunk);
}
// The final value of $status will be the data from the API for the object
// that has been uploaded.
if ($status !== false) {
$obj = $status;
}
$client->setDefer(false);
} else {
$params = ['data' => stream_get_contents($fp), 'uploadType' => 'media', 'fields' => self::FETCHFIELDS_GET];
if ($mode === 'insert') {
$obj = $this->service->files->create($file, $params);
} else {
$obj = $this->service->files->update($srcFile->getId(), $file, $params);
}
}
if ($obj instanceof Google_Service_Drive_DriveFile) {
return $this->_joinPath($parent, $obj->getId());
} else {
return false;
}
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
}
