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 use Wikimedia\ScopedCallback;
  24
  25 /**
  26  * Assemble the segments of a chunked upload.
  27  *
  28  * @ingroup Upload
  29  */
  30 class AssembleUploadChunksJob extends Job {
  31         public function __construct( Title $title, array $params ) {
  32                 parent::__construct( 'AssembleUploadChunks', $title, $params );
  33                 $this->removeDuplicates = true;
  34         }
  35
  36         public function run() {
  37                 $scope = RequestContext::importScopedSession( $this->params['session'] );
  38                 $this->addTeardownCallback( function () use ( &$scope ) {
  39                         ScopedCallback::consume( $scope ); // T126450
  40                 } );
  41
  42                 $context = RequestContext::getMain();
  43                 $user = $context->getUser();
  44                 try {
  45                         if ( !$user->isLoggedIn() ) {
  46                                 $this->setLastError( "Could not load the author user from session." );
  47
  48                                 return false;
  49                         }
  50
  51                         UploadBase::setSessionStatus(
  52                                 $user,
  53                                 $this->params['filekey'],
  54                                 [ 'result' => 'Poll', 'stage' => 'assembling', 'status' => Status::newGood() ]
  55                         );
  56
  57                         $upload = new UploadFromChunks( $user );
  58                         $upload->continueChunks(
  59                                 $this->params['filename'],
  60                                 $this->params['filekey'],
  61                                 new WebRequestUpload( $context->getRequest(), 'null' )
  62                         );
  63
  64                         // Combine all of the chunks into a local file and upload that to a new stash file
  65                         $status = $upload->concatenateChunks();
  66                         if ( !$status->isGood() ) {
  67                                 UploadBase::setSessionStatus(
  68                                         $user,
  69                                         $this->params['filekey'],
  70                                         [ 'result' => 'Failure', 'stage' => 'assembling', 'status' => $status ]
  71                                 );
  72                                 $this->setLastError( $status->getWikiText( false, false, 'en' ) );
  73
  74                                 return false;
  75                         }
  76
  77                         // We can only get warnings like 'duplicate' after concatenating the chunks
  78                         $status = Status::newGood();
  79                         $status->value = [ 'warnings' => $upload->checkWarnings() ];
  80
  81                         // We have a new filekey for the fully concatenated file
  82                         $newFileKey = $upload->getStashFile()->getFileKey();
  83
  84                         // Remove the old stash file row and first chunk file
  85                         $upload->stash->removeFileNoAuth( $this->params['filekey'] );
  86
  87                         // Build the image info array while we have the local reference handy
  88                         $apiMain = new ApiMain(); // dummy object (XXX)
  89                         $imageInfo = $upload->getImageInfo( $apiMain->getResult() );
  90
  91                         // Cleanup any temporary local file
  92                         $upload->cleanupTempFile();
  93
  94                         // Cache the info so the user doesn't have to wait forever to get the final info
  95                         UploadBase::setSessionStatus(
  96                                 $user,
  97                                 $this->params['filekey'],
  98                                 [
  99                                         'result' => 'Success',
 100                                         'stage' => 'assembling',
 101                                         'filekey' => $newFileKey,
 102                                         'imageinfo' => $imageInfo,
 103                                         'status' => $status
 104                                 ]
 105                         );
 106                 } catch ( Exception $e ) {
 107                         UploadBase::setSessionStatus(
 108                                 $user,
 109                                 $this->params['filekey'],
 110                                 [
 111                                         'result' => 'Failure',
 112                                         'stage' => 'assembling',
 113                                         'status' => Status::newFatal( 'api-error-stashfailed' )
 114                                 ]
 115                         );
 116                         $this->setLastError( get_class( $e ) . ": " . $e->getMessage() );
 117                         // To be extra robust.
 118                         MWExceptionHandler::rollbackMasterChangesAndLog( $e );
 119
 120                         return false;
 121                 }
 122
 123                 return true;
 124         }
 125
 126         public function getDeduplicationInfo() {
 127                 $info = parent::getDeduplicationInfo();
 128                 if ( is_array( $info['params'] ) ) {
 129                         $info['params'] = [ 'filekey' => $info['params']['filekey'] ];
 130                 }
 131
 132                 return $info;
 133         }
 134
 135         public function allowRetries() {
 136                 return false;
 137         }
 138 }