includes/job/jobs/UploadFromUrlJob.php

   1 <?php
   2 /**
   3  * Job for asynchronous upload-by-url.
   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 JobQueue
  22  */
  23
  24 /**
  25  * Job for asynchronous upload-by-url.
  26  *
  27  * This job is in fact an interface to UploadFromUrl, which is designed such
  28  * that it does not require any globals. If it does, fix it elsewhere, do not
  29  * add globals in here.
  30  *
  31  * @ingroup JobQueue
  32  */
  33 class UploadFromUrlJob extends Job {
  34         const SESSION_KEYNAME = 'wsUploadFromUrlJobData';
  35
  36         /**
  37          * @var UploadFromUrl
  38          */
  39         public $upload;
  40
  41         /**
  42          * @var User
  43          */
  44         protected $user;
  45
  46         public function __construct( $title, $params, $id = 0 ) {
  47                 parent::__construct( 'uploadFromUrl', $title, $params, $id );
  48         }
  49
  50         public function run() {
  51                 global $wgCopyUploadAsyncTimeout;
  52                 # Initialize this object and the upload object
  53                 $this->upload = new UploadFromUrl();
  54                 $this->upload->initialize(
  55                         $this->title->getText(),
  56                         $this->params['url'],
  57                         false
  58                 );
  59                 $this->user = User::newFromName( $this->params['userName'] );
  60
  61                 # Fetch the file
  62                 $opts = array();
  63                 if ( $wgCopyUploadAsyncTimeout ) {
  64                         $opts['timeout'] = $wgCopyUploadAsyncTimeout;
  65                 }
  66                 $status = $this->upload->fetchFile( $opts );
  67                 if ( !$status->isOk() ) {
  68                         $this->leaveMessage( $status );
  69                         return true;
  70                 }
  71
  72                 # Verify upload
  73                 $result = $this->upload->verifyUpload();
  74                 if ( $result['status'] != UploadBase::OK ) {
  75                         $status = $this->upload->convertVerifyErrorToStatus( $result );
  76                         $this->leaveMessage( $status );
  77                         return true;
  78                 }
  79
  80                 # Check warnings
  81                 if ( !$this->params['ignoreWarnings'] ) {
  82                         $warnings = $this->upload->checkWarnings();
  83                         if ( $warnings ) {
  84
  85                                 # Stash the upload
  86                                 $key = $this->upload->stashFile();
  87
  88                                 if ( $this->params['leaveMessage'] ) {
  89                                         $this->user->leaveUserMessage(
  90                                                 wfMessage( 'upload-warning-subj' )->text(),
  91                                                 wfMessage( 'upload-warning-msg',
  92                                                         $key,
  93                                                         $this->params['url'] )->text()
  94                                         );
  95                                 } else {
  96                                         wfSetupSession( $this->params['sessionId'] );
  97                                         $this->storeResultInSession( 'Warning',
  98                                                 'warnings', $warnings );
  99                                         session_write_close();
 100                                 }
 101
 102                                 return true;
 103                         }
 104                 }
 105
 106                 # Perform the upload
 107                 $status = $this->upload->performUpload(
 108                         $this->params['comment'],
 109                         $this->params['pageText'],
 110                         $this->params['watch'],
 111                         $this->user
 112                 );
 113                 $this->leaveMessage( $status );
 114                 return true;
 115
 116         }
 117
 118         /**
 119          * Leave a message on the user talk page or in the session according to
 120          * $params['leaveMessage'].
 121          *
 122          * @param $status Status
 123          */
 124         protected function leaveMessage( $status ) {
 125                 if ( $this->params['leaveMessage'] ) {
 126                         if ( $status->isGood() ) {
 127                                 $this->user->leaveUserMessage( wfMessage( 'upload-success-subj' )->text(),
 128                                         wfMessage( 'upload-success-msg',
 129                                                 $this->upload->getTitle()->getText(),
 130                                                 $this->params['url']
 131                                         )->text() );
 132                         } else {
 133                                 $this->user->leaveUserMessage( wfMessage( 'upload-failure-subj' )->text(),
 134                                         wfMessage( 'upload-failure-msg',
 135                                                 $status->getWikiText(),
 136                                                 $this->params['url']
 137                                         )->text() );
 138                         }
 139                 } else {
 140                         wfSetupSession( $this->params['sessionId'] );
 141                         if ( $status->isOk() ) {
 142                                 $this->storeResultInSession( 'Success',
 143                                         'filename', $this->upload->getLocalFile()->getName() );
 144                         } else {
 145                                 $this->storeResultInSession( 'Failure',
 146                                         'errors', $status->getErrorsArray() );
 147                         }
 148                         session_write_close();
 149                 }
 150         }
 151
 152         /**
 153          * Store a result in the session data. Note that the caller is responsible
 154          * for appropriate session_start and session_write_close calls.
 155          *
 156          * @param string $result the result (Success|Warning|Failure)
 157          * @param string $dataKey the key of the extra data
 158          * @param $dataValue Mixed: the extra data itself
 159          */
 160         protected function storeResultInSession( $result, $dataKey, $dataValue ) {
 161                 $session =& self::getSessionData( $this->params['sessionKey'] );
 162                 $session['result'] = $result;
 163                 $session[$dataKey] = $dataValue;
 164         }
 165
 166         /**
 167          * Initialize the session data. Sets the intial result to queued.
 168          */
 169         public function initializeSessionData() {
 170                 $session =& self::getSessionData( $this->params['sessionKey'] );
 171                 $$session['result'] = 'Queued';
 172         }
 173
 174         /**
 175          * @param $key
 176          * @return mixed
 177          */
 178         public static function &getSessionData( $key ) {
 179                 if ( !isset( $_SESSION[self::SESSION_KEYNAME][$key] ) ) {
 180                         $_SESSION[self::SESSION_KEYNAME][$key] = array();
 181                 }
 182                 return $_SESSION[self::SESSION_KEYNAME][$key];
 183         }
 184 }