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         public $upload;
  22         protected $user;
  23
  24         public function __construct( $title, $params, $id = 0 ) {
  25                 parent::__construct( 'uploadFromUrl', $title, $params, $id );
  26         }
  27
  28         public function run() {
  29                 # Initialize this object and the upload object
  30                 $this->upload = new UploadFromUrl();
  31                 $this->upload->initialize(
  32                         $this->title->getText(),
  33                         $this->params['url'],
  34                         false
  35                 );
  36                 $this->user = User::newFromName( $this->params['userName'] );
  37
  38                 # Fetch the file
  39                 $status = $this->upload->fetchFile();
  40                 if ( !$status->isOk() ) {
  41                         $this->leaveMessage( $status );
  42                         return true;
  43                 }
  44
  45                 # Verify upload
  46                 $result = $this->upload->verifyUpload();
  47                 if ( $result['status'] != UploadBase::OK ) {
  48                         $status = $this->upload->convertVerifyErrorToStatus( $result );
  49                         $this->leaveMessage( $status );
  50                         return true;
  51                 }
  52
  53                 # Check warnings
  54                 if ( !$this->params['ignoreWarnings'] ) {
  55                         $warnings = $this->upload->checkWarnings();
  56                         if ( $warnings ) {
  57                                 wfSetupSession( $this->params['sessionId'] );
  58
  59                                 if ( $this->params['leaveMessage'] ) {
  60                                         $this->user->leaveUserMessage(
  61                                                 wfMsg( 'upload-warning-subj' ),
  62                                                 wfMsg( 'upload-warning-msg',
  63                                                         $this->params['sessionKey'],
  64                                                         $this->params['url'] )
  65                                         );
  66                                 } else {
  67                                         $this->storeResultInSession( 'Warning',
  68                                                 'warnings', $warnings );
  69                                 }
  70
  71                                 # Stash the upload in the session
  72                                 $this->upload->stashSession( $this->params['sessionKey'] );
  73                                 session_write_close();
  74
  75                                 return true;
  76                         }
  77                 }
  78
  79                 # Perform the upload
  80                 $status = $this->upload->performUpload(
  81                         $this->params['comment'],
  82                         $this->params['pageText'],
  83                         $this->params['watch'],
  84                         $this->user
  85                 );
  86                 $this->leaveMessage( $status );
  87                 return true;
  88
  89         }
  90
  91         /**
  92          * Leave a message on the user talk page or in the session according to
  93          * $params['leaveMessage'].
  94          *
  95          * @param $status Status
  96          */
  97         protected function leaveMessage( $status ) {
  98                 if ( $this->params['leaveMessage'] ) {
  99                         if ( $status->isGood() ) {
 100                                 $this->user->leaveUserMessage( wfMsg( 'upload-success-subj' ),
 101                                         wfMsg( 'upload-success-msg',
 102                                                 $this->upload->getTitle()->getText(),
 103                                                 $this->params['url']
 104                                         ) );
 105                         } else {
 106                                 $this->user->leaveUserMessage( wfMsg( 'upload-failure-subj' ),
 107                                         wfMsg( 'upload-failure-msg',
 108                                                 $status->getWikiText(),
 109                                                 $this->params['url']
 110                                         ) );
 111                         }
 112                 } else {
 113                         wfSetupSession( $this->params['sessionId'] );
 114                         if ( $status->isOk() ) {
 115                                 $this->storeResultInSession( 'Success',
 116                                         'filename', $this->upload->getLocalFile()->getName() );
 117                         } else {
 118                                 $this->storeResultInSession( 'Failure',
 119                                         'errors', $status->getErrorsArray() );
 120                         }
 121                         session_write_close();
 122                 }
 123         }
 124
 125         /**
 126          * Store a result in the session data. Note that the caller is responsible
 127          * for appropriate session_start and session_write_close calls.
 128          *
 129          * @param $result String: the result (Success|Warning|Failure)
 130          * @param $dataKey String: the key of the extra data
 131          * @param $dataValue Mixed: the extra data itself
 132          */
 133         protected function storeResultInSession( $result, $dataKey, $dataValue ) {
 134                 $session =& self::getSessionData( $this->params['sessionKey'] );
 135                 $session['result'] = $result;
 136                 $session[$dataKey] = $dataValue;
 137         }
 138
 139         /**
 140          * Initialize the session data. Sets the intial result to queued.
 141          */
 142         public function initializeSessionData() {
 143                 $session =& self::getSessionData( $this->params['sessionKey'] );
 144                 $$session['result'] = 'Queued';
 145         }
 146
 147         public static function &getSessionData( $key ) {
 148                 if ( !isset( $_SESSION[self::SESSION_KEYNAME][$key] ) ) {
 149                         $_SESSION[self::SESSION_KEYNAME][$key] = array();
 150                 }
 151                 return $_SESSION[self::SESSION_KEYNAME][$key];
 152         }
 153 }