includes/jobqueue/jobs/AssembleUploadChunksJob.php

   1 <?php
   2 /**
   3  * Assemble the segments of a chunked upload.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Upload
  22  */
  23
  24 /**
  25  * Assemble the segments of a chunked upload.
  26  *
  27  * @ingroup Upload
  28  */
  29 class AssembleUploadChunksJob extends Job {
  30         public function __construct( $title, $params ) {
  31                 parent::__construct( 'AssembleUploadChunks', $title, $params );
  32                 $this->removeDuplicates = true;
  33         }
  34
  35         public function run() {
  36                 $scope = RequestContext::importScopedSession( $this->params['session'] );
  37                 $context = RequestContext::getMain();
  38                 $user = $context->getUser();
  39                 try {
  40                         if ( !$user->isLoggedIn() ) {
  41                                 $this->setLastError( "Could not load the author user from session." );
  42
  43                                 return false;
  44                         }
  45
  46                         UploadBase::setSessionStatus(
  47                                 $user,
  48                                 $this->params['filekey'],
  49                                 array( 'result' => 'Poll', 'stage' => 'assembling', 'status' => Status::newGood() )
  50                         );
  51
  52                         $upload = new UploadFromChunks( $user );
  53                         $upload->continueChunks(
  54                                 $this->params['filename'],
  55                                 $this->params['filekey'],
  56                                 $context->getRequest()
  57                         );
  58
  59                         // Combine all of the chunks into a local file and upload that to a new stash file
  60                         $status = $upload->concatenateChunks();
  61                         if ( !$status->isGood() ) {
  62                                 UploadBase::setSessionStatus(
  63                                         $user,
  64                                         $this->params['filekey'],
  65                                         array( 'result' => 'Failure', 'stage' => 'assembling', 'status' => $status )
  66                                 );
  67                                 $this->setLastError( $status->getWikiText() );
  68
  69                                 return false;
  70                         }
  71
  72                         // We have a new filekey for the fully concatenated file
  73                         $newFileKey = $upload->getLocalFile()->getFileKey();
  74
  75                         // Remove the old stash file row and first chunk file
  76                         $upload->stash->removeFileNoAuth( $this->params['filekey'] );
  77
  78                         // Build the image info array while we have the local reference handy
  79                         $apiMain = new ApiMain(); // dummy object (XXX)
  80                         $imageInfo = $upload->getImageInfo( $apiMain->getResult() );
  81
  82                         // Cleanup any temporary local file
  83                         $upload->cleanupTempFile();
  84
  85                         // Cache the info so the user doesn't have to wait forever to get the final info
  86                         UploadBase::setSessionStatus(
  87                                 $user,
  88                                 $this->params['filekey'],
  89                                 array(
  90                                         'result' => 'Success',
  91                                         'stage' => 'assembling',
  92                                         'filekey' => $newFileKey,
  93                                         'imageinfo' => $imageInfo,
  94                                         'status' => Status::newGood()
  95                                 )
  96                         );
  97                 } catch ( MWException $e ) {
  98                         UploadBase::setSessionStatus(
  99                                 $user,
 100                                 $this->params['filekey'],
 101                                 array(
 102                                         'result' => 'Failure',
 103                                         'stage' => 'assembling',
 104                                         'status' => Status::newFatal( 'api-error-stashfailed' )
 105                                 )
 106                         );
 107                         $this->setLastError( get_class( $e ) . ": " . $e->getText() );
 108                         // To be extra robust.
 109                         MWExceptionHandler::rollbackMasterChangesAndLog( $e );
 110
 111                         return false;
 112                 }
 113
 114                 return true;
 115         }
 116
 117         public function getDeduplicationInfo() {
 118                 $info = parent::getDeduplicationInfo();
 119                 if ( is_array( $info['params'] ) ) {
 120                         $info['params'] = array( 'filekey' => $info['params']['filekey'] );
 121                 }
 122
 123                 return $info;
 124         }
 125
 126         public function allowRetries() {
 127                 return false;
 128         }
 129 }