includes/upload/UploadFromUrl.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup upload
   5  *
   6  * Implements uploading from a HTTP resource.
   7  *
   8  * @author Bryan Tong Minh
   9  * @author Michael Dale
  10  */
  11 class UploadFromUrl extends UploadBase {
  12         protected $mTempDownloadPath;
  13         protected $comment, $watchList;
  14
  15         /**
  16          * Checks if the user is allowed to use the upload-by-URL feature. If the
  17          * user is allowed, pass on permissions checking to the parent.
  18          */
  19         public static function isAllowed( $user ) {
  20                 if( !$user->isAllowed( 'upload_by_url' ) )
  21                         return 'upload_by_url';
  22                 return parent::isAllowed( $user );
  23         }
  24
  25         /**
  26          * Checks if the upload from URL feature is enabled
  27          * @return bool
  28          */
  29         public static function isEnabled() {
  30                 global $wgAllowCopyUploads;
  31                 return $wgAllowCopyUploads && parent::isEnabled();
  32         }
  33
  34         /**
  35          * Entry point for API upload
  36          * @return bool true on success
  37          */
  38         public function initialize( $name, $url, $comment, $watchlist ) {
  39                 global $wgUser;
  40
  41                 if( !Http::isValidURI( $url ) ) {
  42                         return Status::newFatal( 'http-invalid-url' );
  43                 }
  44                 $params = array(
  45                         "userName" => $wgUser->getName(),
  46                         "userID" => $wgUser->getID(),
  47                         "url" => trim( $url ),
  48                         "timestamp" => wfTimestampNow(),
  49                         "comment" => $comment,
  50                         "watchlist" => $watchlist);
  51
  52                 $title = Title::newFromText( $name );
  53                 /* // Check whether the user has the appropriate permissions to upload anyway */
  54                 /* $permission = $this->isAllowed( $wgUser ); */
  55
  56                 /* if ( $permission !== true ) { */
  57                 /*      if ( !$wgUser->isLoggedIn() ) { */
  58                 /*              return Status::newFatal( 'uploadnologintext' ); */
  59                 /*      } else { */
  60                 /*              return Status::newFatal( 'badaccess-groups' ); */
  61                 /*      } */
  62                 /* } */
  63
  64                 /* $permErrors = $this->verifyPermissions( $wgUser ); */
  65                 /* if ( $permErrors !== true ) { */
  66                 /*      return Status::newFatal( 'badaccess-groups' ); */
  67                 /* } */
  68
  69
  70                 $job = new UploadFromUrlJob( $title, $params );
  71                 return $job->insert();
  72         }
  73
  74         /**
  75          * Initialize a queued download
  76          * @param $job Job
  77          */
  78         public function initializeFromJob( $job ) {
  79                 $this->mUrl = $job->params['url'];
  80                 $this->mTempPath = tempnam( $wgTmpDirectory, 'COPYUPLOAD' );
  81                 $this->mDesiredDestName = $job->title;
  82                 $this->comment = $job->params['comment'];
  83                 $this->watchList = $job->params['watchlist'];
  84                 $this->getTitle();
  85         }
  86
  87         /**
  88          * Entry point for SpecialUpload
  89          * @param $request Object: WebRequest object
  90          */
  91         public function initializeFromRequest( &$request ) {
  92                 $desiredDestName = $request->getText( 'wpDestFile' );
  93                 if( !$desiredDestName )
  94                         $desiredDestName = $request->getText( 'wpUploadFileURL' );
  95                 return $this->initialize(
  96                         $desiredDestName,
  97                         $request->getVal( 'wpUploadFileURL' ),
  98                         false
  99                 );
 100         }
 101
 102         /**
 103          * @param $request Object: WebRequest object
 104          */
 105         public static function isValidRequest( $request ){
 106                 if( !$request->getVal( 'wpUploadFileURL' ) )
 107                         return false;
 108                 // check that is a valid url:
 109                 return Http::isValidURI( $request->getVal( 'wpUploadFileURL' ) );
 110         }
 111
 112         private function saveTempFile( $req ) {
 113                 $filename = tempnam( wfTempDir(), 'URL' );
 114                 if ( $filename === false ) {
 115                         return Status::newFatal( 'tmp-create-error' );
 116                 }
 117                 if ( file_put_contents( $filename, $req->getContent() ) === false ) {
 118                         return Status::newFatal( 'tmp-write-error' );
 119                 }
 120
 121                 $this->mTempPath = $filename;
 122                 $this->mFileSize = filesize( $filename );
 123
 124                 return Status::newGood();
 125         }
 126
 127         public function doUpload() {
 128                 global $wgUser;
 129
 130                 $req = HttpRequest::factory($this->mUrl);
 131                 $status = $req->execute();
 132
 133                 if( !$status->isOk() ) {
 134                         return $status;
 135                 }
 136
 137                 $status = $this->saveTempFile( $req );
 138                 $this->mRemoveTempFile = true;
 139
 140                 if( !$status->isOk() ) {
 141                         return $status;
 142                 }
 143
 144                 $v = $this->verifyUpload();
 145                 if( $v['status'] !== UploadBase::OK ) {
 146                         return $this->convertVerifyErrorToStatus( $v['status'], $v['details'] );
 147                 }
 148
 149                 // This has to come from API
 150                 /* $warnings = $this->checkForWarnings(); */
 151                 /* if( isset($warnings) ) return $warnings; */
 152
 153                 // Use comment as initial page text by default
 154                 if ( is_null( $this->mParams['text'] ) ) {
 155                         $this->mParams['text'] = $this->mParams['comment'];
 156                 }
 157
 158                 $file = $this->getLocalFile();
 159                 // This comes from ApiBase
 160                 /* $watch = $this->getWatchlistValue( $this->mParams['watchlist'], $file->getTitle() ); */
 161
 162                 if ( !$status->isGood() ) {
 163                         return $status;
 164                 }
 165
 166                 $status = $this->getLocalFile()->upload( $this->mTempPath, $this->comment,
 167                         $this->pageText, File::DELETE_SOURCE, $this->mFileProps, false, $wgUser );
 168
 169                 return $status;
 170         }
 171 }