/usr/share/php/google-api-php-client/src/service/Google_MediaFileUpload.php is in php-google-api-php-client 0.6.7-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Copyright 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Chirag Shah <chirags@google.com>
*
*/
class Google_MediaFileUpload {
const UPLOAD_MEDIA_TYPE = 'media';
const UPLOAD_MULTIPART_TYPE = 'multipart';
const UPLOAD_RESUMABLE_TYPE = 'resumable';
/** @var string $mimeType */
public $mimeType;
/** @var string $data */
public $data;
/** @var bool $resumable */
public $resumable;
/** @var int $chunkSize */
public $chunkSize;
/** @var int $size */
public $size;
/** @var string $resumeUri */
public $resumeUri;
/** @var int $progress */
public $progress;
/**
* @param $mimeType string
* @param $data string The bytes you want to upload.
* @param $resumable bool
* @param bool $chunkSize File will be uploaded in chunks of this many bytes.
* only used if resumable=True
*/
public function __construct($mimeType, $data, $resumable=false, $chunkSize=false) {
$this->mimeType = $mimeType;
$this->data = $data;
$this->size = strlen($this->data);
$this->resumable = $resumable;
if(!$chunkSize) {
$chunkSize = 256 * 1024;
}
$this->chunkSize = $chunkSize;
$this->progress = 0;
}
public function setFileSize($size) {
$this->size = $size;
}
/**
* @static
* @param $meta
* @param $params
* @return array|bool
*/
public static function process($meta, &$params) {
$payload = array();
$meta = is_string($meta) ? json_decode($meta, true) : $meta;
$uploadType = self::getUploadType($meta, $payload, $params);
if (!$uploadType) {
// Process as a normal API request.
return false;
}
// Process as a media upload request.
$params['uploadType'] = array(
'type' => 'string',
'location' => 'query',
'value' => $uploadType,
);
$mimeType = isset($params['mimeType'])
? $params['mimeType']['value']
: false;
unset($params['mimeType']);
if (!$mimeType) {
$mimeType = $payload['content-type'];
}
if (isset($params['file'])) {
// This is a standard file upload with curl.
$file = $params['file']['value'];
unset($params['file']);
return self::processFileUpload($file, $mimeType);
}
$data = isset($params['data'])
? $params['data']['value']
: false;
unset($params['data']);
if (self::UPLOAD_RESUMABLE_TYPE == $uploadType) {
$payload['content-type'] = $mimeType;
$payload['postBody'] = is_string($meta) ? $meta : json_encode($meta);
} elseif (self::UPLOAD_MEDIA_TYPE == $uploadType) {
// This is a simple media upload.
$payload['content-type'] = $mimeType;
$payload['postBody'] = $data;
}
elseif (self::UPLOAD_MULTIPART_TYPE == $uploadType) {
// This is a multipart/related upload.
$boundary = isset($params['boundary']['value']) ? $params['boundary']['value'] : mt_rand();
$boundary = str_replace('"', '', $boundary);
$payload['content-type'] = 'multipart/related; boundary=' . $boundary;
$related = "--$boundary\r\n";
$related .= "Content-Type: application/json; charset=UTF-8\r\n";
$related .= "\r\n" . json_encode($meta) . "\r\n";
$related .= "--$boundary\r\n";
$related .= "Content-Type: $mimeType\r\n";
$related .= "Content-Transfer-Encoding: base64\r\n";
$related .= "\r\n" . base64_encode($data) . "\r\n";
$related .= "--$boundary--";
$payload['postBody'] = $related;
}
return $payload;
}
/**
* Prepares a standard file upload via cURL.
* @param $file
* @param $mime
* @return array Includes the processed file name.
* @visible For testing.
*/
public static function processFileUpload($file, $mime) {
if (!$file) return array();
if (substr($file, 0, 1) != '@') {
$file = '@' . $file;
}
// This is a standard file upload with curl.
$params = array('postBody' => array('file' => $file));
if ($mime) {
$params['content-type'] = $mime;
}
return $params;
}
/**
* Valid upload types:
* - resumable (UPLOAD_RESUMABLE_TYPE)
* - media (UPLOAD_MEDIA_TYPE)
* - multipart (UPLOAD_MULTIPART_TYPE)
* - none (false)
* @param $meta
* @param $payload
* @param $params
* @return bool|string
*/
public static function getUploadType($meta, &$payload, &$params) {
if (isset($params['mediaUpload'])
&& get_class($params['mediaUpload']['value']) == 'Google_MediaFileUpload') {
$upload = $params['mediaUpload']['value'];
unset($params['mediaUpload']);
$payload['content-type'] = $upload->mimeType;
if (isset($upload->resumable) && $upload->resumable) {
return self::UPLOAD_RESUMABLE_TYPE;
}
}
// Allow the developer to override the upload type.
if (isset($params['uploadType'])) {
return $params['uploadType']['value'];
}
$data = isset($params['data']['value'])
? $params['data']['value'] : false;
if (false == $data && false == isset($params['file'])) {
// No upload data available.
return false;
}
if (isset($params['file'])) {
return self::UPLOAD_MEDIA_TYPE;
}
if (false == $meta) {
return self::UPLOAD_MEDIA_TYPE;
}
return self::UPLOAD_MULTIPART_TYPE;
}
public function nextChunk(Google_HttpRequest $req, $chunk=false) {
if (false == $this->resumeUri) {
$this->resumeUri = $this->getResumeUri($req);
}
if (false == $chunk) {
$chunk = substr($this->data, $this->progress, $this->chunkSize);
}
$lastBytePos = $this->progress + strlen($chunk) - 1;
$headers = array(
'content-range' => "bytes $this->progress-$lastBytePos/$this->size",
'content-type' => $req->getRequestHeader('content-type'),
'content-length' => $this->chunkSize,
'expect' => '',
);
$httpRequest = new Google_HttpRequest($this->resumeUri, 'PUT', $headers, $chunk);
$response = Google_Client::$io->authenticatedRequest($httpRequest);
$code = $response->getResponseHttpCode();
if (308 == $code) {
$range = explode('-', $response->getResponseHeader('range'));
$this->progress = $range[1] + 1;
return false;
} else {
return Google_REST::decodeHttpResponse($response);
}
}
private function getResumeUri(Google_HttpRequest $httpRequest) {
$result = null;
$body = $httpRequest->getPostBody();
if ($body) {
$httpRequest->setRequestHeaders(array(
'content-type' => 'application/json; charset=UTF-8',
'content-length' => Google_Utils::getStrLen($body),
'x-upload-content-type' => $this->mimeType,
'x-upload-content-length' => $this->size,
'expect' => '',
));
}
$response = Google_Client::$io->makeRequest($httpRequest);
$location = $response->getResponseHeader('location');
$code = $response->getResponseHttpCode();
if (200 == $code && true == $location) {
return $location;
}
throw new Google_Exception("Failed to start the resumable upload");
}
}
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