5 * Created on Aug 21, 2008
7 * Copyright © 2008 - 2010 Bryan Tong Minh <Bryan.TongMinh@Gmail.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 * http://www.gnu.org/copyleft/gpl.html
30 class ApiUpload
extends ApiBase
{
35 protected $mUpload = null;
39 public function execute() {
40 global $wgEnableAsyncUploads;
42 // Check whether upload is enabled
43 if ( !UploadBase
::isEnabled() ) {
44 $this->dieUsageMsg( 'uploaddisabled' );
47 $user = $this->getUser();
50 $this->mParams
= $this->extractRequestParams();
51 $request = $this->getMain()->getRequest();
52 // Check if async mode is actually supported (jobs done in cli mode)
53 $this->mParams
['async'] = ( $this->mParams
['async'] && $wgEnableAsyncUploads );
54 // Add the uploaded file to the params array
55 $this->mParams
['file'] = $request->getFileName( 'file' );
56 $this->mParams
['chunk'] = $request->getFileName( 'chunk' );
58 // Copy the session key to the file key, for backward compatibility.
59 if( !$this->mParams
['filekey'] && $this->mParams
['sessionkey'] ) {
60 $this->mParams
['filekey'] = $this->mParams
['sessionkey'];
63 // Select an upload module
64 if ( !$this->selectUploadModule() ) {
65 return; // not a true upload, but a status request or similar
66 } elseif ( !isset( $this->mUpload
) ) {
67 $this->dieUsage( 'No upload module set', 'nomodule' );
70 // First check permission to upload
71 $this->checkPermissions( $user );
73 // Fetch the file (usually a no-op)
74 $status = $this->mUpload
->fetchFile();
75 if ( !$status->isGood() ) {
76 $errors = $status->getErrorsArray();
77 $error = array_shift( $errors[0] );
78 $this->dieUsage( 'Error fetching file from remote source', $error, 0, $errors[0] );
81 // Check if the uploaded file is sane
82 if ( $this->mParams
['chunk'] ) {
83 $maxSize = $this->mUpload
->getMaxUploadSize( );
84 if( $this->mParams
['filesize'] > $maxSize ) {
85 $this->dieUsage( 'The file you submitted was too large', 'file-too-large' );
87 if ( !$this->mUpload
->getTitle() ) {
88 $this->dieUsage( 'Invalid file title supplied', 'internal-error' );
90 } elseif ( $this->mParams
['async'] ) {
91 // defer verification to background process
93 $this->verifyUpload();
96 // Check if the user has the rights to modify or overwrite the requested title
97 // (This check is irrelevant if stashing is already requested, since the errors
98 // can always be fixed by changing the title)
99 if ( !$this->mParams
['stash'] ) {
100 $permErrors = $this->mUpload
->verifyTitlePermissions( $user );
101 if ( $permErrors !== true ) {
102 $this->dieRecoverableError( $permErrors[0], 'filename' );
106 // Get the result based on the current upload context:
107 $result = $this->getContextResult();
108 if ( $result['result'] === 'Success' ) {
109 $result['imageinfo'] = $this->mUpload
->getImageInfo( $this->getResult() );
112 $this->getResult()->addValue( null, $this->getModuleName(), $result );
114 // Cleanup any temporary mess
115 $this->mUpload
->cleanupTempFile();
119 * Get an uplaod result based on upload context
122 private function getContextResult() {
123 $warnings = $this->getApiWarnings();
124 if ( $warnings && !$this->mParams
['ignorewarnings'] ) {
125 // Get warnings formated in result array format
126 return $this->getWarningsResult( $warnings );
127 } elseif ( $this->mParams
['chunk'] ) {
128 // Add chunk, and get result
129 return $this->getChunkResult( $warnings );
130 } elseif ( $this->mParams
['stash'] ) {
131 // Stash the file and get stash result
132 return $this->getStashResult( $warnings );
134 // This is the most common case -- a normal upload with no warnings
135 // performUpload will return a formatted properly for the API with status
136 return $this->performUpload( $warnings );
140 * Get Stash Result, throws an expetion if the file could not be stashed.
141 * @param $warnings array Array of Api upload warnings
144 private function getStashResult( $warnings ) {
146 // Some uploads can request they be stashed, so as not to publish them immediately.
147 // In this case, a failure to stash ought to be fatal
149 $result['result'] = 'Success';
150 $result['filekey'] = $this->performStash();
151 $result['sessionkey'] = $result['filekey']; // backwards compatibility
152 if ( $warnings && count( $warnings ) > 0 ) {
153 $result['warnings'] = $warnings;
155 } catch ( MWException
$e ) {
156 $this->dieUsage( $e->getMessage(), 'stashfailed' );
162 * Get Warnings Result
163 * @param $warnings array Array of Api upload warnings
166 private function getWarningsResult( $warnings ) {
168 $result['result'] = 'Warning';
169 $result['warnings'] = $warnings;
170 // in case the warnings can be fixed with some further user action, let's stash this upload
171 // and return a key they can use to restart it
173 $result['filekey'] = $this->performStash();
174 $result['sessionkey'] = $result['filekey']; // backwards compatibility
175 } catch ( MWException
$e ) {
176 $result['warnings']['stashfailed'] = $e->getMessage();
182 * Get the result of a chunk upload.
183 * @param $warnings array Array of Api upload warnings
186 private function getChunkResult( $warnings ) {
189 $result['result'] = 'Continue';
190 if ( $warnings && count( $warnings ) > 0 ) {
191 $result['warnings'] = $warnings;
193 $request = $this->getMain()->getRequest();
194 $chunkPath = $request->getFileTempname( 'chunk' );
195 $chunkSize = $request->getUpload( 'chunk' )->getSize();
196 if ( $this->mParams
['offset'] == 0 ) {
197 $filekey = $this->performStash();
199 $filekey = $this->mParams
['filekey'];
200 $status = $this->mUpload
->addChunk(
201 $chunkPath, $chunkSize, $this->mParams
['offset'] );
202 if ( !$status->isGood() ) {
203 $this->dieUsage( $status->getWikiText(), 'stashfailed' );
208 // Check we added the last chunk:
209 if ( $this->mParams
['offset'] +
$chunkSize == $this->mParams
['filesize'] ) {
210 if ( $this->mParams
['async'] ) {
211 $progress = UploadBase
::getSessionStatus( $this->mParams
['filekey'] );
212 if ( $progress && $progress['result'] === 'Poll' ) {
213 $this->dieUsage( "Chunk assembly already in progress.", 'stashfailed' );
215 UploadBase
::setSessionStatus(
216 $this->mParams
['filekey'],
217 array( 'result' => 'Poll',
218 'stage' => 'queued', 'status' => Status
::newGood() )
220 $ok = JobQueueGroup
::singleton()->push( new AssembleUploadChunksJob(
221 Title
::makeTitle( NS_FILE
, $this->mParams
['filekey'] ),
223 'filename' => $this->mParams
['filename'],
224 'filekey' => $this->mParams
['filekey'],
225 'session' => $this->getRequest()->exportUserSession(),
226 'userid' => $this->getUser()->getId()
230 $result['result'] = 'Poll';
232 UploadBase
::setSessionStatus( $this->mParams
['filekey'], false );
234 "Failed to start AssembleUploadChunks.php", 'stashfailed' );
237 $status = $this->mUpload
->concatenateChunks();
238 if ( !$status->isGood() ) {
239 $this->dieUsage( $status->getWikiText(), 'stashfailed' );
243 // The fully concatenated file has a new filekey. So remove
244 // the old filekey and fetch the new one.
245 $this->mUpload
->stash
->removeFile( $filekey );
246 $filekey = $this->mUpload
->getLocalFile()->getFileKey();
248 $result['result'] = 'Success';
251 $result['filekey'] = $filekey;
252 $result['offset'] = $this->mParams
['offset'] +
$chunkSize;
257 * Stash the file and return the file key
258 * Also re-raises exceptions with slightly more informative message strings (useful for API)
259 * @throws MWException
260 * @return String file key
262 private function performStash() {
264 $stashFile = $this->mUpload
->stashFile();
267 throw new MWException( 'Invalid stashed file' );
269 $fileKey = $stashFile->getFileKey();
270 } catch ( MWException
$e ) {
271 $message = 'Stashing temporary file failed: ' . get_class( $e ) . ' ' . $e->getMessage();
272 wfDebug( __METHOD__
. ' ' . $message . "\n" );
273 throw new MWException( $message );
279 * Throw an error that the user can recover from by providing a better
280 * value for $parameter
282 * @param $error array Error array suitable for passing to dieUsageMsg()
283 * @param $parameter string Parameter that needs revising
284 * @param $data array Optional extra data to pass to the user
285 * @throws UsageException
287 private function dieRecoverableError( $error, $parameter, $data = array() ) {
289 $data['filekey'] = $this->performStash();
290 $data['sessionkey'] = $data['filekey'];
291 } catch ( MWException
$e ) {
292 $data['stashfailed'] = $e->getMessage();
294 $data['invalidparameter'] = $parameter;
296 $parsed = $this->parseMsg( $error );
297 $this->dieUsage( $parsed['info'], $parsed['code'], 0, $data );
301 * Select an upload module and set it to mUpload. Dies on failure. If the
302 * request was a status request and not a true upload, returns false;
307 protected function selectUploadModule() {
308 $request = $this->getMain()->getRequest();
310 // chunk or one and only one of the following parameters is needed
311 if ( !$this->mParams
['chunk'] ) {
312 $this->requireOnlyOneParameter( $this->mParams
,
313 'filekey', 'file', 'url', 'statuskey' );
316 // Status report for "upload to stash"/"upload from stash"
317 if ( $this->mParams
['filekey'] && $this->mParams
['checkstatus'] ) {
318 $progress = UploadBase
::getSessionStatus( $this->mParams
['filekey'] );
320 $this->dieUsage( 'No result in status data', 'missingresult' );
321 } elseif ( !$progress['status']->isGood() ) {
322 $this->dieUsage( $progress['status']->getWikiText(), 'stashfailed' );
324 if ( isset( $progress['status']->value
['verification'] ) ) {
325 $this->checkVerification( $progress['status']->value
['verification'] );
327 unset( $progress['status'] ); // remove Status object
328 $this->getResult()->addValue( null, $this->getModuleName(), $progress );
332 if ( $this->mParams
['statuskey'] ) {
333 $this->checkAsyncDownloadEnabled();
335 // Status request for an async upload
336 $sessionData = UploadFromUrlJob
::getSessionData( $this->mParams
['statuskey'] );
337 if ( !isset( $sessionData['result'] ) ) {
338 $this->dieUsage( 'No result in session data', 'missingresult' );
340 if ( $sessionData['result'] == 'Warning' ) {
341 $sessionData['warnings'] = $this->transformWarnings( $sessionData['warnings'] );
342 $sessionData['sessionkey'] = $this->mParams
['statuskey'];
344 $this->getResult()->addValue( null, $this->getModuleName(), $sessionData );
348 // The following modules all require the filename parameter to be set
349 if ( is_null( $this->mParams
['filename'] ) ) {
350 $this->dieUsageMsg( array( 'missingparam', 'filename' ) );
353 if ( $this->mParams
['chunk'] ) {
355 $this->mUpload
= new UploadFromChunks();
356 if( isset( $this->mParams
['filekey'] ) ) {
358 $this->mUpload
->continueChunks(
359 $this->mParams
['filename'],
360 $this->mParams
['filekey'],
361 $request->getUpload( 'chunk' )
364 // handle first chunk
365 $this->mUpload
->initialize(
366 $this->mParams
['filename'],
367 $request->getUpload( 'chunk' )
370 } elseif ( isset( $this->mParams
['filekey'] ) ) {
371 // Upload stashed in a previous request
372 if ( !UploadFromStash
::isValidKey( $this->mParams
['filekey'] ) ) {
373 $this->dieUsageMsg( 'invalid-file-key' );
376 $this->mUpload
= new UploadFromStash( $this->getUser() );
377 // This will not download the temp file in initialize() in async mode.
378 // We still have enough information to call checkWarnings() and such.
379 $this->mUpload
->initialize(
380 $this->mParams
['filekey'], $this->mParams
['filename'], !$this->mParams
['async']
382 } elseif ( isset( $this->mParams
['file'] ) ) {
383 $this->mUpload
= new UploadFromFile();
384 $this->mUpload
->initialize(
385 $this->mParams
['filename'],
386 $request->getUpload( 'file' )
388 } elseif ( isset( $this->mParams
['url'] ) ) {
389 // Make sure upload by URL is enabled:
390 if ( !UploadFromUrl
::isEnabled() ) {
391 $this->dieUsageMsg( 'copyuploaddisabled' );
394 if ( !UploadFromUrl
::isAllowedHost( $this->mParams
['url'] ) ) {
395 $this->dieUsageMsg( 'copyuploadbaddomain' );
399 if ( $this->mParams
['asyncdownload'] ) {
400 $this->checkAsyncDownloadEnabled();
402 if ( $this->mParams
['leavemessage'] && !$this->mParams
['ignorewarnings'] ) {
403 $this->dieUsage( 'Using leavemessage without ignorewarnings is not supported',
404 'missing-ignorewarnings' );
407 if ( $this->mParams
['leavemessage'] ) {
408 $async = 'async-leavemessage';
413 $this->mUpload
= new UploadFromUrl
;
414 $this->mUpload
->initialize( $this->mParams
['filename'],
415 $this->mParams
['url'], $async );
422 * Checks that the user has permissions to perform this upload.
423 * Dies with usage message on inadequate permissions.
424 * @param $user User The user to check.
426 protected function checkPermissions( $user ) {
427 // Check whether the user has the appropriate permissions to upload anyway
428 $permission = $this->mUpload
->isAllowed( $user );
430 if ( $permission !== true ) {
431 if ( !$user->isLoggedIn() ) {
432 $this->dieUsageMsg( array( 'mustbeloggedin', 'upload' ) );
434 $this->dieUsageMsg( 'badaccess-groups' );
440 * Performs file verification, dies on error.
442 protected function verifyUpload( ) {
443 $verification = $this->mUpload
->verifyUpload( );
444 if ( $verification['status'] === UploadBase
::OK
) {
447 return $this->checkVerification( $verification );
452 * Performs file verification, dies on error.
454 protected function checkVerification( array $verification ) {
455 global $wgFileExtensions;
457 // TODO: Move them to ApiBase's message map
458 switch( $verification['status'] ) {
459 // Recoverable errors
460 case UploadBase
::MIN_LENGTH_PARTNAME
:
461 $this->dieRecoverableError( 'filename-tooshort', 'filename' );
463 case UploadBase
::ILLEGAL_FILENAME
:
464 $this->dieRecoverableError( 'illegal-filename', 'filename',
465 array( 'filename' => $verification['filtered'] ) );
467 case UploadBase
::FILENAME_TOO_LONG
:
468 $this->dieRecoverableError( 'filename-toolong', 'filename' );
470 case UploadBase
::FILETYPE_MISSING
:
471 $this->dieRecoverableError( 'filetype-missing', 'filename' );
473 case UploadBase
::WINDOWS_NONASCII_FILENAME
:
474 $this->dieRecoverableError( 'windows-nonascii-filename', 'filename' );
477 // Unrecoverable errors
478 case UploadBase
::EMPTY_FILE
:
479 $this->dieUsage( 'The file you submitted was empty', 'empty-file' );
481 case UploadBase
::FILE_TOO_LARGE
:
482 $this->dieUsage( 'The file you submitted was too large', 'file-too-large' );
485 case UploadBase
::FILETYPE_BADTYPE
:
487 'filetype' => $verification['finalExt'],
488 'allowed' => $wgFileExtensions
490 $this->getResult()->setIndexedTagName( $extradata['allowed'], 'ext' );
492 $msg = "Filetype not permitted: ";
493 if ( isset( $verification['blacklistedExt'] ) ) {
494 $msg .= join( ', ', $verification['blacklistedExt'] );
495 $extradata['blacklisted'] = array_values( $verification['blacklistedExt'] );
496 $this->getResult()->setIndexedTagName( $extradata['blacklisted'], 'ext' );
498 $msg .= $verification['finalExt'];
500 $this->dieUsage( $msg, 'filetype-banned', 0, $extradata );
502 case UploadBase
::VERIFICATION_ERROR
:
503 $this->getResult()->setIndexedTagName( $verification['details'], 'detail' );
504 $this->dieUsage( 'This file did not pass file verification', 'verification-error',
505 0, array( 'details' => $verification['details'] ) );
507 case UploadBase
::HOOK_ABORTED
:
508 $this->dieUsage( "The modification you tried to make was aborted by an extension hook",
509 'hookaborted', 0, array( 'error' => $verification['error'] ) );
512 $this->dieUsage( 'An unknown error occurred', 'unknown-error',
513 0, array( 'code' => $verification['status'] ) );
520 * Returns a suitable array for inclusion into API results if there were warnings
521 * Returns the empty array if there were no warnings
525 protected function getApiWarnings() {
526 $warnings = $this->mUpload
->checkWarnings();
528 return $this->transformWarnings( $warnings );
531 protected function transformWarnings( $warnings ) {
534 $result = $this->getResult();
535 $result->setIndexedTagName( $warnings, 'warning' );
537 if ( isset( $warnings['duplicate'] ) ) {
539 foreach ( $warnings['duplicate'] as $dupe ) {
540 $dupes[] = $dupe->getName();
542 $result->setIndexedTagName( $dupes, 'duplicate' );
543 $warnings['duplicate'] = $dupes;
546 if ( isset( $warnings['exists'] ) ) {
547 $warning = $warnings['exists'];
548 unset( $warnings['exists'] );
549 $warnings[$warning['warning']] = $warning['file']->getName();
556 * Perform the actual upload. Returns a suitable result array on success;
559 * @param $warnings array Array of Api upload warnings
562 protected function performUpload( $warnings ) {
563 // Use comment as initial page text by default
564 if ( is_null( $this->mParams
['text'] ) ) {
565 $this->mParams
['text'] = $this->mParams
['comment'];
568 $file = $this->mUpload
->getLocalFile();
569 $watch = $this->getWatchlistValue( $this->mParams
['watchlist'], $file->getTitle() );
571 // Deprecated parameters
572 if ( $this->mParams
['watch'] ) {
576 // No errors, no warnings: do the upload
577 if ( $this->mParams
['async'] ) {
578 $progress = UploadBase
::getSessionStatus( $this->mParams
['filekey'] );
579 if ( $progress && $progress['result'] === 'Poll' ) {
580 $this->dieUsage( "Upload from stash already in progress.", 'publishfailed' );
582 UploadBase
::setSessionStatus(
583 $this->mParams
['filekey'],
584 array( 'result' => 'Poll', 'stage' => 'queued', 'status' => Status
::newGood() )
586 $ok = JobQueueGroup
::singleton()->push( new PublishStashedFileJob(
587 Title
::makeTitle( NS_FILE
, $this->mParams
['filename'] ),
589 'filename' => $this->mParams
['filename'],
590 'filekey' => $this->mParams
['filekey'],
591 'comment' => $this->mParams
['comment'],
592 'text' => $this->mParams
['text'],
594 'session' => $this->getRequest()->exportUserSession(),
595 'userid' => $this->getUser()->getId()
599 $result['result'] = 'Poll';
601 UploadBase
::setSessionStatus( $this->mParams
['filekey'], false );
603 "Failed to start PublishStashedFile.php", 'publishfailed' );
606 $status = $this->mUpload
->performUpload( $this->mParams
['comment'],
607 $this->mParams
['text'], $watch, $this->getUser() );
609 if ( !$status->isGood() ) {
610 $error = $status->getErrorsArray();
612 if ( count( $error ) == 1 && $error[0][0] == 'async' ) {
613 // The upload can not be performed right now, because the user
616 'result' => 'Queued',
617 'statuskey' => $error[0][1],
620 $this->getResult()->setIndexedTagName( $error, 'error' );
622 $this->dieUsage( 'An internal error occurred', 'internal-error', 0, $error );
625 $result['result'] = 'Success';
628 $result['filename'] = $file->getName();
629 if ( $warnings && count( $warnings ) > 0 ) {
630 $result['warnings'] = $warnings;
637 * Checks if asynchronous copy uploads are enabled and throws an error if they are not.
639 protected function checkAsyncDownloadEnabled() {
640 global $wgAllowAsyncCopyUploads;
641 if ( !$wgAllowAsyncCopyUploads ) {
642 $this->dieUsage( 'Asynchronous copy uploads disabled', 'asynccopyuploaddisabled' );
646 public function mustBePosted() {
650 public function isWriteMode() {
654 public function getAllowedParams() {
657 ApiBase
::PARAM_TYPE
=> 'string',
660 ApiBase
::PARAM_DFLT
=> ''
664 ApiBase
::PARAM_TYPE
=> 'string',
665 ApiBase
::PARAM_REQUIRED
=> true
668 ApiBase
::PARAM_DFLT
=> false,
669 ApiBase
::PARAM_DEPRECATED
=> true,
671 'watchlist' => array(
672 ApiBase
::PARAM_DFLT
=> 'preferences',
673 ApiBase
::PARAM_TYPE
=> array(
679 'ignorewarnings' => false,
681 ApiBase
::PARAM_TYPE
=> 'upload',
685 'sessionkey' => array(
686 ApiBase
::PARAM_DFLT
=> null,
687 ApiBase
::PARAM_DEPRECATED
=> true,
694 ApiBase
::PARAM_TYPE
=> 'upload',
698 'asyncdownload' => false,
699 'leavemessage' => false,
701 'checkstatus' => false,
707 public function getParamDescription() {
709 'filename' => 'Target filename',
710 'token' => 'Edit token. You can get one of these through prop=info',
711 'comment' => 'Upload comment. Also used as the initial page text for new files if "text" is not specified',
712 'text' => 'Initial page text for new files',
713 'watch' => 'Watch the page',
714 'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
715 'ignorewarnings' => 'Ignore any warnings',
716 'file' => 'File contents',
717 'url' => 'URL to fetch the file from',
718 'filekey' => 'Key that identifies a previous upload that was stashed temporarily.',
719 'sessionkey' => 'Same as filekey, maintained for backward compatibility.',
720 'stash' => 'If set, the server will not add the file to the repository and stash it temporarily.',
722 'chunk' => 'Chunk contents',
723 'offset' => 'Offset of chunk in bytes',
724 'filesize' => 'Filesize of entire upload',
726 'async' => 'Make potentially large file operations asynchronous when possible',
727 'asyncdownload' => 'Make fetching a URL asynchronous',
728 'leavemessage' => 'If asyncdownload is used, leave a message on the user talk page if finished',
729 'statuskey' => 'Fetch the upload status for this file key (upload by URL)',
730 'checkstatus' => 'Only fetch the upload status for the given file key',
737 public function getResultProperties() {
741 ApiBase
::PROP_TYPE
=> array(
749 ApiBase
::PROP_TYPE
=> 'string',
750 ApiBase
::PROP_NULLABLE
=> true
752 'sessionkey' => array(
753 ApiBase
::PROP_TYPE
=> 'string',
754 ApiBase
::PROP_NULLABLE
=> true
757 ApiBase
::PROP_TYPE
=> 'integer',
758 ApiBase
::PROP_NULLABLE
=> true
760 'statuskey' => array(
761 ApiBase
::PROP_TYPE
=> 'string',
762 ApiBase
::PROP_NULLABLE
=> true
765 ApiBase
::PROP_TYPE
=> 'string',
766 ApiBase
::PROP_NULLABLE
=> true
772 public function getDescription() {
774 'Upload a file, or get the status of pending uploads. Several methods are available:',
775 ' * Upload file contents directly, using the "file" parameter',
776 ' * Have the MediaWiki server fetch a file from a URL, using the "url" parameter',
777 ' * Complete an earlier upload that failed due to warnings, using the "filekey" parameter',
778 'Note that the HTTP POST must be done as a file upload (i.e. using multipart/form-data) when',
779 'sending the "file". Also you must get and send an edit token before doing any upload stuff'
783 public function getPossibleErrors() {
784 return array_merge( parent
::getPossibleErrors(),
785 $this->getRequireOnlyOneParameterErrorMessages( array( 'filekey', 'file', 'url', 'statuskey' ) ),
787 array( 'uploaddisabled' ),
788 array( 'invalid-file-key' ),
789 array( 'uploaddisabled' ),
790 array( 'mustbeloggedin', 'upload' ),
791 array( 'badaccess-groups' ),
792 array( 'code' => 'fetchfileerror', 'info' => '' ),
793 array( 'code' => 'nomodule', 'info' => 'No upload module set' ),
794 array( 'code' => 'empty-file', 'info' => 'The file you submitted was empty' ),
795 array( 'code' => 'filetype-missing', 'info' => 'The file is missing an extension' ),
796 array( 'code' => 'filename-tooshort', 'info' => 'The filename is too short' ),
797 array( 'code' => 'overwrite', 'info' => 'Overwriting an existing file is not allowed' ),
798 array( 'code' => 'stashfailed', 'info' => 'Stashing temporary file failed' ),
799 array( 'code' => 'publishfailed', 'info' => 'Publishing of stashed file failed' ),
800 array( 'code' => 'internal-error', 'info' => 'An internal error occurred' ),
801 array( 'code' => 'asynccopyuploaddisabled', 'info' => 'Asynchronous copy uploads disabled' ),
802 array( 'fileexists-forbidden' ),
803 array( 'fileexists-shared-forbidden' ),
808 public function needsToken() {
812 public function getTokenSalt() {
816 public function getExamples() {
818 'api.php?action=upload&filename=Wiki.png&url=http%3A//upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png'
819 => 'Upload from a URL',
820 'api.php?action=upload&filename=Wiki.png&filekey=filekey&ignorewarnings=1'
821 => 'Complete an upload that failed due to warnings',
825 public function getHelpUrls() {
826 return 'https://www.mediawiki.org/wiki/API:Upload';