includes/upload/AssembleUploadChunks.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 Maintenance
  22  */
  23 require_once( __DIR__ . '/../../maintenance/Maintenance.php' );
  24 set_time_limit( 3600 ); // 1 hour
  25
  26 /**
  27  * Assemble the segments of a chunked upload.
  28  *
  29  * @ingroup Maintenance
  30  */
  31 class AssembleUploadChunks extends Maintenance {
  32         public function __construct() {
  33                 parent::__construct();
  34                 $this->mDescription = "Re-assemble the segments of a chunked upload into a single file";
  35                 $this->addOption( 'filename', "Desired file name", true, true );
  36                 $this->addOption( 'filekey', "Upload stash file key", true, true );
  37                 $this->addOption( 'userid', "Upload owner user ID", true, true );
  38                 $this->addOption( 'sessionid', "Upload owner session ID", true, true );
  39         }
  40
  41         public function execute() {
  42                 $e = null;
  43                 wfDebug( "Started assembly for file {$this->getOption( 'filename' )}\n" );
  44                 wfSetupSession( $this->getOption( 'sessionid' ) );
  45                 try {
  46                         $user = User::newFromId( $this->getOption( 'userid' ) );
  47                         if ( !$user ) {
  48                                 throw new MWException( "No user with ID " . $this->getOption( 'userid' ) . "." );
  49                         }
  50
  51                         UploadBase::setSessionStatus(
  52                                 $this->getOption( 'filekey' ),
  53                                 array( 'result' => 'Poll', 'stage' => 'assembling', 'status' => Status::newGood() )
  54                         );
  55
  56                         $upload = new UploadFromChunks( $user );
  57                         $upload->continueChunks(
  58                                 $this->getOption( 'filename' ),
  59                                 $this->getOption( 'filekey' ),
  60                                 // @TODO: set User?
  61                                 RequestContext::getMain()->getRequest() // dummy request
  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                                         $this->getOption( 'filekey' ),
  69                                         array( 'result' => 'Failure', 'stage' => 'assembling', 'status' => $status )
  70                                 );
  71                                 session_write_close();
  72                                 $this->error( $status->getWikiText() . "\n", 1 ); // die
  73                         }
  74
  75                         // We have a new filekey for the fully concatenated file
  76                         $newFileKey = $upload->getLocalFile()->getFileKey();
  77
  78                         // Remove the old stash file row and first chunk file
  79                         $upload->stash->removeFileNoAuth( $this->getOption( 'filekey' ) );
  80
  81                         // Build the image info array while we have the local reference handy
  82                         $apiMain = new ApiMain(); // dummy object (XXX)
  83                         $imageInfo = $upload->getImageInfo( $apiMain->getResult() );
  84
  85                         // Cleanup any temporary local file
  86                         $upload->cleanupTempFile();
  87
  88                         // Cache the info so the user doesn't have to wait forever to get the final info
  89                         UploadBase::setSessionStatus(
  90                                 $this->getOption( 'filekey' ),
  91                                 array(
  92                                         'result'    => 'Success',
  93                                         'stage'     => 'assembling',
  94                                         'filekey'   => $newFileKey,
  95                                         'imageinfo' => $imageInfo,
  96                                         'status'    => Status::newGood()
  97                                 )
  98                         );
  99                 } catch ( MWException $e ) {
 100                         UploadBase::setSessionStatus(
 101                                 $this->getOption( 'filekey' ),
 102                                 array(
 103                                         'result' => 'Failure',
 104                                         'stage'  => 'assembling',
 105                                         'status' => Status::newFatal( 'api-error-stashfailed' )
 106                                 )
 107                         );
 108                 }
 109                 session_write_close();
 110                 if ( $e ) {
 111                         throw $e;
 112                 }
 113                 wfDebug( "Finished assembly for file {$this->getOption( 'filename' )}\n" );
 114         }
 115 }
 116
 117 $maintClass = "AssembleUploadChunks";
 118 require_once( RUN_MAINTENANCE_IF_MAIN );