includes/job/UploadFromUrlJob.php

   1 <?php
   2 /**
   3  * Job for asynchronous upload-by-url.
   4  *
   5  * @file
   6  * @ingroup JobQueue
   7  */
   8
   9 /**
  10  * Job for asynchronous upload-by-url.
  11  *
  12  * This job is in fact an interface to UploadFromUrl, which is designed such
  13  * that it does not require any globals. If it does, fix it elsewhere, do not
  14  * add globals in here.
  15  *
  16  * @ingroup JobQueue
  17  */
  18 class UploadFromUrlJob extends Job {
  19         const SESSION_KEYNAME = 'wsUploadFromUrlJobData';
  20
  21         /**
  22          * @var UploadFromUrl
  23          */
  24         public $upload;
  25
  26         /**
  27          * @var User
  28          */
  29         protected $user;
  30
  31         public function __construct( $title, $params, $id = 0 ) {
  32                 parent::__construct( 'uploadFromUrl', $title, $params, $id );
  33         }
  34
  35         public function run() {
  36                 # Initialize this object and the upload object
  37                 $this->upload = new UploadFromUrl();
  38                 $this->upload->initialize(
  39                         $this->title->getText(),
  40                         $this->params['url'],
  41                         false
  42                 );
  43                 $this->user = User::newFromName( $this->params['userName'] );
  44
  45                 # Fetch the file
  46                 $status = $this->upload->fetchFile();
  47                 if ( !$status->isOk() ) {
  48                         $this->leaveMessage( $status );
  49                         return true;
  50                 }
  51
  52                 # Verify upload
  53                 $result = $this->upload->verifyUpload();
  54                 if ( $result['status'] != UploadBase::OK ) {
  55                         $status = $this->upload->convertVerifyErrorToStatus( $result );
  56                         $this->leaveMessage( $status );
  57                         return true;
  58                 }
  59
  60                 # Check warnings
  61                 if ( !$this->params['ignoreWarnings'] ) {
  62                         $warnings = $this->upload->checkWarnings();
  63                         if ( $warnings ) {
  64                                 wfSetupSession( $this->params['sessionId'] );
  65
  66                                 if ( $this->params['leaveMessage'] ) {
  67                                         $this->user->leaveUserMessage(
  68                                                 wfMsg( 'upload-warning-subj' ),
  69                                                 wfMsg( 'upload-warning-msg',
  70                                                         $this->params['sessionKey'],
  71                                                         $this->params['url'] )
  72                                         );
  73                                 } else {
  74                                         $this->storeResultInSession( 'Warning',
  75                                                 'warnings', $warnings );
  76                                 }
  77
  78                                 # Stash the upload in the session
  79                                 $this->upload->stashSession( $this->params['sessionKey'] );
  80                                 session_write_close();
  81
  82                                 return true;
  83                         }
  84                 }
  85
  86                 # Perform the upload
  87                 $status = $this->upload->performUpload(
  88                         $this->params['comment'],
  89                         $this->params['pageText'],
  90                         $this->params['watch'],
  91                         $this->user
  92                 );
  93                 $this->leaveMessage( $status );
  94                 return true;
  95
  96         }
  97
  98         /**
  99          * Leave a message on the user talk page or in the session according to
 100          * $params['leaveMessage'].
 101          *
 102          * @param $status Status
 103          */
 104         protected function leaveMessage( $status ) {
 105                 if ( $this->params['leaveMessage'] ) {
 106                         if ( $status->isGood() ) {
 107                                 $this->user->leaveUserMessage( wfMsg( 'upload-success-subj' ),
 108                                         wfMsg( 'upload-success-msg',
 109                                                 $this->upload->getTitle()->getText(),
 110                                                 $this->params['url']
 111                                         ) );
 112                         } else {
 113                                 $this->user->leaveUserMessage( wfMsg( 'upload-failure-subj' ),
 114                                         wfMsg( 'upload-failure-msg',
 115                                                 $status->getWikiText(),
 116                                                 $this->params['url']
 117                                         ) );
 118                         }
 119                 } else {
 120                         wfSetupSession( $this->params['sessionId'] );
 121                         if ( $status->isOk() ) {
 122                                 $this->storeResultInSession( 'Success',
 123                                         'filename', $this->upload->getLocalFile()->getName() );
 124                         } else {
 125                                 $this->storeResultInSession( 'Failure',
 126                                         'errors', $status->getErrorsArray() );
 127                         }
 128                         session_write_close();
 129                 }
 130         }
 131
 132         /**
 133          * Store a result in the session data. Note that the caller is responsible
 134          * for appropriate session_start and session_write_close calls.
 135          *
 136          * @param $result String: the result (Success|Warning|Failure)
 137          * @param $dataKey String: the key of the extra data
 138          * @param $dataValue Mixed: the extra data itself
 139          */
 140         protected function storeResultInSession( $result, $dataKey, $dataValue ) {
 141                 $session =& self::getSessionData( $this->params['sessionKey'] );
 142                 $session['result'] = $result;
 143                 $session[$dataKey] = $dataValue;
 144         }
 145
 146         /**
 147          * Initialize the session data. Sets the intial result to queued.
 148          */
 149         public function initializeSessionData() {
 150                 $session =& self::getSessionData( $this->params['sessionKey'] );
 151                 $$session['result'] = 'Queued';
 152         }
 153
 154         public static function &getSessionData( $key ) {
 155                 if ( !isset( $_SESSION[self::SESSION_KEYNAME][$key] ) ) {
 156                         $_SESSION[self::SESSION_KEYNAME][$key] = array();
 157                 }
 158                 return $_SESSION[self::SESSION_KEYNAME][$key];
 159         }
 160 }