3 * Created on Aug 21, 2008
4 * API for MediaWiki 1.8+
6 * Copyright (C) 2008 - 2009 Bryan Tong Minh <Bryan.TongMinh@Gmail.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 * http://www.gnu.org/copyleft/gpl.html
24 if ( !defined( 'MEDIAWIKI' ) ) {
25 // Eclipse helper - will be ignored in production
26 require_once("ApiBase.php");
32 class ApiUpload
extends ApiBase
{
33 protected $mUpload = null;
36 public function __construct( $main, $action ) {
37 parent
::__construct( $main, $action );
40 public function execute() {
43 $this->getMain()->isWriteMode();
44 $this->mParams
= $this->extractRequestParams();
45 $request = $this->getMain()->getRequest();
48 if ( is_null( $this->mParams
['token'] ) )
49 $this->dieUsageMsg( array( 'missingparam', 'token' ) );
50 if ( !$wgUser->matchEditToken( $this->mParams
['token'] ) )
51 $this->dieUsageMsg( array( 'sessionfailure' ) );
54 // Add the uploaded file to the params array
55 $this->mParams
['file'] = $request->getFileName( 'file' );
57 // Check whether upload is enabled
58 if ( !UploadBase
::isEnabled() )
59 $this->dieUsageMsg( array( 'uploaddisabled' ) );
61 // One and only one of the following parameters is needed
62 $this->requireOnlyOneParameter( $this->mParams
,
63 'sessionkey', 'file', 'url', 'enablechunks' );
65 if ( $this->mParams
['enablechunks'] ) {
66 // chunks upload enabled
67 $this->mUpload
= new UploadFromChunks();
68 $status = $this->mUpload
->initializeFromParams( $this->mParams
, $request );
70 if( isset( $status['error'] ) )
71 $this->dieUsageMsg( $status['error'] );
73 } elseif ( $this->mParams
['internalhttpsession'] ) {
74 // TODO: Move to subclass
75 $sd = & $_SESSION['wsDownload'][ $this->mParams
['internalhttpsession'] ];
77 wfDebug("InternalHTTP:: " . print_r($this->mParams
, true));
78 // get the params from the init session:
79 $this->mUpload
= new UploadFromFile();
81 $this->mUpload
->initialize( $this->mParams
['filename'],
82 $sd['target_file_path'],
83 filesize( $sd['target_file_path'] )
86 } elseif ( $this->mParams
['httpstatus'] && $this->mParams
['sessionkey'] ) {
87 // return the status of the given upload session_key:
89 // Check the session key
90 if( !isset( $_SESSION['wsDownload'][$this->mParams
['sessionkey']] ) )
91 return $this->dieUsageMsg( array( 'invalid-session-key' ) );
93 $sd =& $_SESSION['wsDownload'][$this->mParams
['sessionkey']];
94 // keep passing down the upload sessionkey
95 $statusResult = array(
96 'upload_session_key' => $this->mParams
['sessionkey']
99 // put values into the final apiResult if available
100 if( isset( $sd['apiUploadResult'] ) )
101 $statusResult['apiUploadResult'] = $sd['apiUploadResult'];
102 if( isset( $sd['loaded'] ) )
103 $statusResult['loaded'] = $sd['loaded'];
104 if( isset( $sd['content_length'] ) )
105 $statusResult['content_length'] = $sd['content_length'];
107 return $this->getResult()->addValue( null,
108 $this->getModuleName(), $statusResult);
110 } else if( $this->mParams
['sessionkey'] ) {
112 $this->mUpload
= new UploadFromStash();
113 $this->mUpload
->initialize( $this->mParams
['filename'],
114 $_SESSION['wsUploadData'][$this->mParams
['sessionkey']] );
116 // Upload from url or file
117 // Parameter filename is required
118 if ( !isset( $this->mParams
['filename'] ) )
119 $this->dieUsageMsg( array( 'missingparam', 'filename' ) );
121 // Initialize $this->mUpload
122 if ( isset( $this->mParams
['file'] ) ) {
123 $this->mUpload
= new UploadFromFile();
124 $this->mUpload
->initialize(
125 $request->getFileName( 'file' ),
126 $request->getFileTempName( 'file' ),
127 $request->getFileSize( 'file' )
129 } elseif ( isset( $this->mParams
['url'] ) ) {
130 $this->mUpload
= new UploadFromUrl();
131 $this->mUpload
->initialize( $this->mParams
['filename'],
132 $this->mParams
['url'], $this->mParams
['asyncdownload'] );
134 $status = $this->mUpload
->fetchFile();
135 if( !$status->isOK() ){
136 return $this->dieUsage( 'fetchfileerror', $status->getWikiText() );
139 // check if we doing a async request set session info and return the upload_session_key)
140 if( $this->mUpload
->isAsync() ){
141 $upload_session_key = $status->value
;
142 // update the session with anything with the params we will need to finish up the upload later on:
143 if( !isset( $_SESSION['wsDownload'][$upload_session_key] ) )
144 $_SESSION['wsDownload'][$upload_session_key] = array();
146 $sd =& $_SESSION['wsDownload'][$upload_session_key];
148 // copy mParams for finishing up after:
149 $sd['mParams'] = $this->mParams
;
151 return $this->getResult()->addValue( null, $this->getModuleName(),
152 array( 'upload_session_key' => $upload_session_key
155 //else the file downloaded in place continue with validation:
159 if( !isset( $this->mUpload
) )
160 $this->dieUsage( 'No upload module set', 'nomodule' );
162 //finish up the exec command:
163 $this->doExecUpload();
166 protected function doExecUpload(){
168 // Check whether the user has the appropriate permissions to upload anyway
169 $permission = $this->mUpload
->isAllowed( $wgUser );
171 if( $permission !== true ) {
172 if( !$wgUser->isLoggedIn() )
173 $this->dieUsageMsg( array( 'mustbeloggedin', 'upload' ) );
175 $this->dieUsageMsg( array( 'badaccess-groups' ) );
177 // Perform the upload
178 $result = $this->performUpload();
179 // Cleanup any temporary mess
180 $this->mUpload
->cleanupTempFile();
181 $this->getResult()->addValue( null, $this->getModuleName(), $result );
184 protected function performUpload() {
187 $permErrors = $this->mUpload
->verifyPermissions( $wgUser );
188 if( $permErrors !== true ) {
189 $this->dieUsageMsg( array( 'baddaccess-groups' ) );
192 // TODO: Move them to ApiBase's message map
193 $verification = $this->mUpload
->verifyUpload();
194 if( $verification['status'] !== UploadBase
::OK
) {
195 $result['result'] = 'Failure';
196 switch( $verification['status'] ) {
197 case UploadBase
::EMPTY_FILE
:
198 $this->dieUsage( 'The file you submitted was empty', 'empty-file' );
200 case UploadBase
::FILETYPE_MISSING
:
201 $this->dieUsage( 'The file is missing an extension', 'filetype-missing' );
203 case UploadBase
::FILETYPE_BADTYPE
:
204 global $wgFileExtensions;
205 $this->dieUsage( 'This type of file is banned', 'filetype-banned',
207 'filetype' => $verification['finalExt'],
208 'allowed' => $wgFileExtensions
211 case UploadBase
::MIN_LENGHT_PARTNAME
:
212 $this->dieUsage( 'The filename is too short', 'filename-tooshort' );
214 case UploadBase
::ILLEGAL_FILENAME
:
215 $this->dieUsage( 'The filename is not allowed', 'illegal-filename',
216 0, array( 'filename' => $verification['filtered'] ) );
218 case UploadBase
::OVERWRITE_EXISTING_FILE
:
219 $this->dieUsage( 'Overwriting an existing file is not allowed', 'overwrite' );
221 case UploadBase
::VERIFICATION_ERROR
:
222 $this->getResult()->setIndexedTagName( $verification['details'], 'detail' );
223 $this->dieUsage( 'This file did not pass file verification', 'verification-error',
224 0, array( 'details' => $verification['details'] ) );
226 case UploadBase
::UPLOAD_VERIFICATION_ERROR
:
227 $this->dieUsage( "The modification you tried to make was aborted by an extension hook",
228 'hookaborted', 0, array( 'error' => $verification['error'] ) );
231 $this->dieUsage( 'An unknown error occurred', 'unknown-error',
232 0, array( 'code' => $verification['status'] ) );
238 if( !$this->mParams
['ignorewarnings'] ) {
239 $warnings = $this->mUpload
->checkWarnings();
243 $this->getResult()->setIndexedTagName( $warnings, 'warning' );
245 if( isset( $warnings['duplicate'] ) )
246 $this->getResult()->setIndexedTagName( $warnings['duplicate'], 'duplicate');
248 if( isset( $warnings['exists'] ) )
249 $this->getResult()->setIndexedTagName( $warnings['exists'], 'exists' );
251 if( isset( $warnings['filewasdeleted'] ) )
252 $warnings['filewasdeleted'] = $warnings['filewasdeleted']->getDBkey();
254 $result['result'] = 'Warning';
255 $result['warnings'] = $warnings;
257 $sessionKey = $this->mUpload
->stashSession();
259 $this->dieUsage( 'Stashing temporary file failed', 'stashfailed' );
260 $result['sessionkey'] = $sessionKey;
265 // No errors, no warnings: do the upload
266 $status = $this->mUpload
->performUpload( $this->mParams
['comment'],
267 $this->mParams
['comment'], $this->mParams
['watch'], $wgUser );
269 if( !$status->isGood() ) {
270 $error = $status->getErrorsArray();
271 $this->getResult()->setIndexedTagName( $result['details'], 'error' );
273 $this->dieUsage( 'An internal error occurred', 'internal-error', 0, $error );
276 $file = $this->mUpload
->getLocalFile();
277 $result['result'] = 'Success';
278 $result['filename'] = $file->getName();
280 // Append imageinfo to the result
282 //get all the image properties:
283 $imParam = ApiQueryImageInfo
::getPropertyNames();
284 $result['imageinfo'] = ApiQueryImageInfo
::getInfo( $file,
285 array_flip( $imParam ), $this->getResult() );
290 public function mustBePosted() {
294 public function isWriteMode() {
298 public function getAllowedParams() {
302 ApiBase
::PARAM_DFLT
=> ''
306 'ignorewarnings' => false,
308 'enablechunks' => null,
309 'chunksessionkey' => null,
313 /*'asyncdownload' => false,*/ // btongminh: Disabled pending fixing wfShellBackgroundExec
314 'httpstatus' => false,
315 'sessionkey' => null,
316 'internalhttpsession' => null,
320 public function getParamDescription() {
322 'filename' => 'Target filename',
323 'token' => 'Edit token. You can get one of these through prop=info',
324 'comment' => 'Upload comment. Also used as the initial page text for new files',
325 'watch' => 'Watch the page',
326 'ignorewarnings' => 'Ignore any warnings',
327 'file' => 'File contents',
328 'enablechunks' => 'Set to use chunk mode; see http://firefogg.org/dev/chunk_post.html for protocol',
329 'chunksessionkey' => 'Used to sync uploading of chunks',
330 'chunk' => 'Chunk contents',
331 'done' => 'Set when the last chunk is being uploaded',
332 'url' => 'Url to fetch the file from',
333 'asyncdownload' => 'Set to download the url asynchronously. Useful for large files that will take more than php max_execution_time to download',
334 'httpstatus' => 'Set to return the status of an asynchronous upload (specify the key in sessionkey)',
335 'sessionkey' => array(
336 'Session key returned by a previous upload that failed due to warnings, or',
337 '(with httpstatus) The upload_session_key of an asynchronous upload',
339 'internalhttpsession' => 'Used internally',
343 public function getDescription() {
345 'Upload a file, or get the status of pending uploads. Several methods are available:',
346 ' * Upload file contents directly, using the "file" parameter',
347 ' * Upload a file in chunks, using the "enablechunks", "chunk", and "chunksessionkey", and "done" parameters',
348 ' * Have the MediaWiki server fetch a file from a URL, using the "url" and "asyncdownload" parameters',
349 ' * Retrieve the status of an asynchronous upload, using the "httpstatus" and "sessionkey" parameters',
350 ' * Complete an earlier upload that failed due to warnings, using the "sessionkey" parameter',
351 'Note that the HTTP POST must be done as a file upload (i.e. using multipart/form-data) when',
352 'sending the "file" or "chunk" parameters. Note also that queries using session keys must be',
353 'done in the same login session as the query that originally returned the key (i.e. do not',
354 'log out and then log back in). Also you must get and send an edit token before doing any upload stuff.'
358 protected function getExamples() {
360 'Upload from a URL:',
361 ' api.php?action=upload&filename=Wiki.png&url=http%3A//upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png',
362 'Get the status of an asynchronous upload:',
363 ' api.php?action=upload&filename=Wiki.png&httpstatus=1&sessionkey=upload_session_key',
364 'Complete an upload that failed due to warnings:',
365 ' api.php?action=upload&filename=Wiki.png&sessionkey=sessionkey&ignorewarnings=1',
366 'Begin a chunked upload:',
367 ' api.php?action=upload&filename=Wiki.png&enablechunks=1'
371 public function getVersion() {
372 return __CLASS__
. ': $Id: ApiUpload.php 51812 2009-06-12 23:45:20Z dale $';