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, $ignoreWarnings;
  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, $ignoreWarn ) {
  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                         "ignorewarnings" => $ignoreWarn);
  52
  53                 $title = Title::newFromText( $name );
  54                 /* // Check whether the user has the appropriate permissions to upload anyway */
  55                 /* $permission = $this->isAllowed( $wgUser ); */
  56
  57                 /* if ( $permission !== true ) { */
  58                 /*      if ( !$wgUser->isLoggedIn() ) { */
  59                 /*              return Status::newFatal( 'uploadnologintext' ); */
  60                 /*      } else { */
  61                 /*              return Status::newFatal( 'badaccess-groups' ); */
  62                 /*      } */
  63                 /* } */
  64
  65                 /* $permErrors = $this->verifyPermissions( $wgUser ); */
  66                 /* if ( $permErrors !== true ) { */
  67                 /*      return Status::newFatal( 'badaccess-groups' ); */
  68                 /* } */
  69
  70
  71                 $job = new UploadFromUrlJob( $title, $params );
  72                 return $job->insert();
  73         }
  74
  75         /**
  76          * Initialize a queued download
  77          * @param $job Job
  78          */
  79         public function initializeFromJob( $job ) {
  80                 $this->mUrl = $job->params['url'];
  81                 $this->mTempPath = tempnam( $wgTmpDirectory, 'COPYUPLOAD' );
  82                 $this->mDesiredDestName = $job->title;
  83                 $this->comment = $job->params['comment'];
  84                 $this->watchList = $job->params['watchlist'];
  85                 $this->ignoreWarnings = $job->params['ignorewarnings'];
  86                 $this->getTitle();
  87         }
  88
  89         /**
  90          * Entry point for SpecialUpload
  91          * @param $request Object: WebRequest object
  92          */
  93         public function initializeFromRequest( &$request ) {
  94                 $desiredDestName = $request->getText( 'wpDestFile' );
  95                 if( !$desiredDestName )
  96                         $desiredDestName = $request->getText( 'wpUploadFileURL' );
  97                 return $this->initialize(
  98                         $desiredDestName,
  99                         $request->getVal( 'wpUploadFileURL' ),
 100                         $request->getVal( 'wpUploadDescription' ),
 101                         $request->getVal( 'wpWatchThis' ),
 102                         $request->getVal( 'wpIgnoreWarnings' )
 103                 );
 104         }
 105
 106         /**
 107          * @param $request Object: WebRequest object
 108          */
 109         public static function isValidRequest( $request ){
 110                 global $wgUser;
 111
 112                 $url = $request->getVal( 'wpUploadFileURL' );
 113                 return !empty( $url )
 114                         && Http::isValidURI( $url )
 115                         && $wgUser->isAllowed( 'upload_by_url' );
 116         }
 117
 118         private function saveTempFile( $req ) {
 119                 $filename = tempnam( wfTempDir(), 'URL' );
 120                 if ( $filename === false ) {
 121                         return Status::newFatal( 'tmp-create-error' );
 122                 }
 123                 if ( file_put_contents( $filename, $req->getContent() ) === false ) {
 124                         return Status::newFatal( 'tmp-write-error' );
 125                 }
 126
 127                 $this->mTempPath = $filename;
 128                 $this->mFileSize = filesize( $filename );
 129
 130                 return Status::newGood();
 131         }
 132
 133         public function doUpload() {
 134                 global $wgUser;
 135
 136                 $req = HttpRequest::factory($this->mUrl);
 137                 $status = $req->execute();
 138
 139                 if( !$status->isOk() ) {
 140                         return $status;
 141                 }
 142
 143                 $status = $this->saveTempFile( $req );
 144                 $this->mRemoveTempFile = true;
 145
 146                 if( !$status->isOk() ) {
 147                         return $status;
 148                 }
 149
 150                 $v = $this->verifyUpload();
 151                 if( $v['status'] !== UploadBase::OK ) {
 152                         return $this->convertVerifyErrorToStatus( $v['status'], $v['details'] );
 153                 }
 154
 155                 // This has to come from API
 156                 /* $warnings = $this->checkForWarnings(); */
 157                 /* if( isset($warnings) ) return $warnings; */
 158
 159                 $file = $this->getLocalFile();
 160                 // This comes from ApiBase
 161                 /* $watch = $this->getWatchlistValue( $this->mParams['watchlist'], $file->getTitle() ); */
 162
 163                 if ( !$status->isGood() ) {
 164                         return $status;
 165                 }
 166
 167                 $status = $this->getLocalFile()->upload( $this->mTempPath, $this->comment,
 168                         $this->comment, File::DELETE_SOURCE, $this->mFileProps, false, $wgUser );
 169
 170                 return $status;
 171         }
 172 }