includes/SpecialUpload.php

   1 <?php
   2
   3 function wfSpecialUpload()
   4 {
   5         global $wgRequest;
   6         $form = new UploadForm( $wgRequest );
   7         $form->execute();
   8 }
   9
  10 class UploadForm {
  11         var $mUploadAffirm, $mUploadFile, $mUploadDescription, $mIgnoreWarning;
  12         var $mUploadSaveName, $mUploadTempName, $mUploadSize, $mUploadOldVersion;
  13         var $mUploadCopyStatus, $mUploadSource, $mReUpload, $mAction, $mUpload;
  14         var $mOname, $mSessionKey;
  15
  16         function UploadForm( &$request ) {
  17                 $this->mUploadAffirm = $request->getVal( 'wpUploadAffirm' );
  18                 $this->mUploadFile = $request->getVal( 'wpUploadFile' );
  19                 $this->mUploadDescription = $request->getVal( 'wpUploadDescription');
  20                 $this->mIgnoreWarning = $request->getVal( 'wpIgnoreWarning');
  21                 $this->mUploadSaveName = $request->getVal( 'wpUploadSaveName');
  22                 $this->mUploadTempName = $request->getVal( 'wpUploadTempName');
  23                 $this->mUploadTempName = $request->getVal( 'wpUploadTempName');
  24                 $this->mUploadSize = $request->getVal( 'wpUploadSize');
  25                 $this->mUploadOldVersion = $request->getVal( 'wpUploadOldVersion');
  26                 $this->mUploadCopyStatus = $request->getVal( 'wpUploadCopyStatus');
  27                 $this->mUploadSource = $request->getVal( 'wpUploadSource');
  28                 $this->mReUpload = $request->getCheck( 'wpReUpload' );
  29                 $this->mAction = $request->getVal( 'action' );
  30                 $this->mUpload = $request->getCheck( 'wpUpload' );
  31                 $this->mSessionKey = $request->getVal( 'wpSessionKey' );
  32
  33                 if ( ! $this->mUploadTempName ) {
  34                         $this->mUploadTempName = @$_FILES['wpUploadFile']['tmp_name'];
  35                 }
  36                 if ( ! $this->mUploadSize ) {
  37                         $this->mUploadSize = @$_FILES['wpUploadFile']['size'];
  38                 }
  39                 $this->mOname = $request->getGPCVal( $_FILES['wpUploadFile'], 'name', "" );
  40
  41         }
  42
  43         function execute() {
  44                 global $wgUser, $wgOut;
  45                 global $wgDisableUploads;
  46
  47                 if ( $wgDisableUploads ) {
  48                         $wgOut->addWikiText( wfMsg( "uploaddisabled" ) );
  49                         return;
  50                 }
  51                 if ( ( 0 == $wgUser->getID() )
  52                         or $wgUser->isBlocked() ) {
  53                         $wgOut->errorpage( "uploadnologin", "uploadnologintext" );
  54                         return;
  55                 }
  56                 if ( wfReadOnly() ) {
  57                         $wgOut->readOnlyPage();
  58                         return;
  59                 }
  60                 if ( $this->mReUpload ) {
  61                         $this->unsaveUploadedFile();
  62                         $this->mainUploadForm( "" );
  63                 } else if ( "submit" == $this->mAction || $this->mUpload ) {
  64                         $this->processUpload();
  65                 } else {
  66                         $this->mainUploadForm( "" );
  67                 }
  68         }
  69
  70
  71         function processUpload()
  72         {
  73                 global $wgUser, $wgOut, $wgLang;
  74                 global $wgUploadDirectory;
  75                 global $wgSavedFile, $wgUploadOldVersion;
  76                 global $wgUseCopyrightUpload, $wgCheckCopyrightUpload;
  77                 global $wgCheckFileExtensions, $wgStrictFileExtensions;
  78                 global $wgFileExtensions, $wgFileBlacklist, $wgUploadSizeWarning;
  79
  80                 if ( $wgUseCopyrightUpload ) {
  81                         $this->mUploadAffirm = 1;
  82                         if ($wgCheckCopyrightUpload &&
  83                                 (trim ( $this->mUploadCopyStatus ) == "" || trim ( $this->mUploadSource ) == "" )) {
  84                                 $this->mUploadAffirm = 0;
  85                         }
  86                 }
  87
  88                 if ( 1 != $this->mUploadAffirm ) {
  89                         $this->mainUploadForm( WfMsg( "noaffirmation" ) );
  90                         return;
  91                 }
  92
  93                 if ( "" != $this->mOname ) {
  94                         $basename = strrchr( $this->mOname, "/" );
  95                         if ( false === $basename ) { $basename = $this->mOname; }
  96                         else ( $basename = substr( $basename, 1 ) );
  97
  98                         $ext = strrchr( $basename, "." );
  99                         if ( false === $ext ) { $ext = ""; }
 100                         else { $ext = substr( $ext, 1 ); }
 101
 102                         if ( "" == $ext ) { $xl = 0; } else { $xl = strlen( $ext ) + 1; }
 103                         $partname = substr( $basename, 0, strlen( $basename ) - $xl );
 104
 105                         if ( strlen( $partname ) < 3 ) {
 106                                 $this->mainUploadForm( WfMsg( "minlength" ) );
 107                                 return;
 108                         }
 109                         $nt = Title::newFromText( $basename );
 110                         if( !$nt ) {
 111                                 return $this->uploadError( wfMsg( "illegalfilename", htmlspecialchars( $basename ) ) );
 112                         }
 113                         $nt->setNamespace( Namespace::getImage() );
 114                         $this->mUploadSaveName = $nt->getDBkey();
 115
 116                         /* Don't allow users to override the blacklist */
 117                         if( $this->checkFileExtension( $ext, $wgFileBlacklist ) ||
 118                                 ($wgStrictFileExtensions && !$this->checkFileExtension( $ext, $wgFileExtensions ) ) ) {
 119                                 return $this->uploadError( wfMsg( "badfiletype", htmlspecialchars( $ext ) ) );
 120                         }
 121
 122                         $this->saveUploadedFile( $this->mUploadSaveName, $this->mUploadTempName );
 123                         if ( !$nt->userCanEdit() ) {
 124                                 return $this->uploadError( wfMsg( "protectedpage" ) );
 125                         }
 126
 127                         if ( ! $this->mIgnoreWarning ) {
 128                                 $warning = '';
 129                                 if( 0 != strcmp( ucfirst( $basename ), $this->mUploadSaveName ) ) {
 130                                         $warning .=  '<li>'.wfMsg( "badfilename", htmlspecialchars( $this->mUploadSaveName ) ).'</li>';
 131                                 }
 132
 133                                 if ( $wgCheckFileExtensions ) {
 134                                         if ( ! $this->checkFileExtension( $ext, $wgFileExtensions ) ) {
 135                                                 $warning .= '<li>'.wfMsg( "badfiletype", htmlspecialchars( $ext ) ).'</li>';
 136                                         }
 137                                 }
 138                                 if ( $wgUploadSizeWarning && ( $this->mUploadSize > $wgUploadSizeWarning ) ) {
 139                                         $warning .= '<li>'.wfMsg( "largefile" ).'</li>';
 140                                 }
 141                                 if( $nt->getArticleID() ) {
 142                                         $sk = $wgUser->getSkin();
 143                                         $dname = $wgLang->getNsText( Namespace::getImage() ) . ":{$this->mUploadSaveName}";
 144                                         $dlink = $sk->makeKnownLink( $dname, $dname );
 145                                         $warning .= '<li>'.wfMsg( "fileexists", $dlink ).'</li>';
 146                                 }
 147                                 if($warning != '') return $this->uploadWarning($warning);
 148                         }
 149                 }
 150                 if ( !is_null( $this->mUploadOldVersion ) ) {
 151                         $wgUploadOldVersion = $this->mUploadOldVersion;
 152                 }
 153                 wfRecordUpload( $this->mUploadSaveName, $wgUploadOldVersion, $this->mUploadSize,
 154                   $this->mUploadDescription, $this->mUploadCopyStatus, $this->mUploadSource );
 155
 156                 $sk = $wgUser->getSkin();
 157                 $ilink = $sk->makeMediaLink( $this->mUploadSaveName, Image::wfImageUrl( $this->mUploadSaveName ) );
 158                 $dname = $wgLang->getNsText( Namespace::getImage() ) . ":{$this->mUploadSaveName}";
 159                 $dlink = $sk->makeKnownLink( $dname, $dname );
 160
 161                 $wgOut->addHTML( "<h2>" . wfMsg( "successfulupload" ) . "</h2>\n" );
 162                 $text = wfMsg( "fileuploaded", $ilink, $dlink );
 163                 $wgOut->addHTML( "<p>{$text}\n" );
 164                 $wgOut->returnToMain( false );
 165         }
 166
 167         function checkFileExtension( $ext, $list ) {
 168                 return in_array( strtolower( $ext ), $list );
 169         }
 170
 171         function saveUploadedFile( $saveName, $tempName )
 172         {
 173                 global $wgSavedFile, $wgUploadOldVersion;
 174                 global $wgUploadDirectory, $wgOut;
 175
 176                 $dest = wfImageDir( $saveName );
 177                 $archive = wfImageArchiveDir( $saveName );
 178                 $wgSavedFile = "{$dest}/{$saveName}";
 179
 180                 if ( is_file( $wgSavedFile ) ) {
 181                         $wgUploadOldVersion = gmdate( "YmdHis" ) . "!{$saveName}";
 182
 183                         if ( ! rename( $wgSavedFile, "${archive}/{$wgUploadOldVersion}" ) ) {
 184                                 $wgOut->fileRenameError( $wgSavedFile,
 185                                   "${archive}/{$wgUploadOldVersion}" );
 186                                 return;
 187                         }
 188                 } else {
 189                         $wgUploadOldVersion = "";
 190                 }
 191                 if ( ! move_uploaded_file( $tempName, $wgSavedFile ) ) {
 192                         $wgOut->fileCopyError( $tempName, $wgSavedFile );
 193                 }
 194                 chmod( $wgSavedFile, 0644 );
 195         }
 196
 197         function unsaveUploadedFile()
 198         {
 199                 global $wgUploadDirectory, $wgOut, $wgRequest;
 200
 201                 $wgSavedFile = $_SESSION['wsUploadFiles'][$this->mSessionKey];
 202                 $wgUploadOldVersion = $this->mUploadOldVersion;
 203
 204                 if ( ! @unlink( $wgSavedFile ) ) {
 205                         $wgOut->fileDeleteError( $wgSavedFile );
 206                         return;
 207                 }
 208                 if ( "" != $wgUploadOldVersion ) {
 209                         $hash = md5( substr( $wgUploadOldVersion, 15 ) );
 210                         $archive = "{$wgUploadDirectory}/archive/" . $hash{0} .
 211                         "/" . substr( $hash, 0, 2 );
 212
 213                         if ( ! rename( "{$archive}/{$wgUploadOldVersion}", $wgSavedFile ) ) {
 214                                 $wgOut->fileRenameError( "{$archive}/{$wgUploadOldVersion}",
 215                                   $wgSavedFile );
 216                         }
 217                 }
 218         }
 219
 220         function uploadError( $error )
 221         {
 222                 global $wgOut;
 223                 $sub = wfMsg( "uploadwarning" );
 224                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 225                 $wgOut->addHTML( "<h4><font color=red>{$error}</font></h4>\n" );
 226         }
 227
 228         function uploadWarning( $warning )
 229         {
 230                 global $wgOut, $wgUser, $wgLang, $wgUploadDirectory, $wgRequest;
 231                 global $wgSavedFile, $wgUploadOldVersion;
 232                 global $wgUseCopyrightUpload;
 233
 234                 # wgSavedFile is stored in the session not the form, for security
 235                 $this->mSessionKey = mt_rand( 0, 0x7fffffff );
 236                 $_SESSION['wsUploadFiles'][$this->mSessionKey] = $wgSavedFile;
 237
 238                 $sub = wfMsg( "uploadwarning" );
 239                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 240                 $wgOut->addHTML( "<ul class='warning'>{$warning}</ul><br/>\n" );
 241
 242                 $save = wfMsg( "savefile" );
 243                 $reupload = wfMsg( "reupload" );
 244                 $iw = wfMsg( "ignorewarning" );
 245                 $reup = wfMsg( "reuploaddesc" );
 246                 $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 247                 $action = $titleObj->escapeLocalURL( "action=submit" );
 248
 249                 if ( $wgUseCopyrightUpload )
 250                 {
 251                         $copyright =  "
 252         <input type=hidden name=\"wpUploadCopyStatus\" value=\"" . htmlspecialchars( $this->mUploadCopyStatus ) . "\">
 253         <input type=hidden name=\"wpUploadSource\" value=\"" . htmlspecialchars( $this->mUploadSource ) . "\">
 254         ";
 255                 } else {
 256                         $copyright = "";
 257                 }
 258
 259                 $wgOut->addHTML( "
 260         <form id=\"uploadwarning\" method=\"post\" enctype=\"multipart/form-data\"
 261         action=\"{$action}\">
 262         <input type=hidden name=\"wpUploadAffirm\" value=\"1\">
 263         <input type=hidden name=\"wpIgnoreWarning\" value=\"1\">
 264         <input type=hidden name=\"wpUploadDescription\" value=\"" . htmlspecialchars( $this->mUploadDescription ) . "\">
 265         {$copyright}
 266         <input type=hidden name=\"wpUploadSaveName\" value=\"" . htmlspecialchars( $this->mUploadSaveName ) . "\">
 267         <input type=hidden name=\"wpUploadTempName\" value=\"" . htmlspecialchars( $this->mUploadTempName ) . "\">
 268         <input type=hidden name=\"wpUploadSize\" value=\"" . htmlspecialchars( $this->mUploadSize ) . "\">
 269         <input type=hidden name=\"wpSessionKey\" value=\"" . htmlspecialchars( $this->mSessionKey ) . "\">
 270         <input type=hidden name=\"wpUploadOldVersion\" value=\"" . htmlspecialchars( $wgUploadOldVersion) . "\">
 271         <table border=0><tr>
 272         <tr><td align=right>
 273         <input tabindex=2 type=submit name=\"wpUpload\" value=\"{$save}\">
 274         </td><td align=left>{$iw}</td></tr>
 275         <tr><td align=right>
 276         <input tabindex=2 type=submit name=\"wpReUpload\" value=\"{$reupload}\">
 277         </td><td align=left>{$reup}</td></tr></table></form>\n" );
 278         }
 279
 280         function mainUploadForm( $msg )
 281         {
 282                 global $wgOut, $wgUser, $wgLang, $wgUploadDirectory, $wgRequest;
 283                 global $wgUseCopyrightUpload;
 284
 285                 if ( "" != $msg ) {
 286                         $sub = wfMsg( "uploaderror" );
 287                         $wgOut->addHTML( "<h2>{$sub}</h2>\n" .
 288                           "<h4><font color=red>{$msg}</font></h4>\n" );
 289                 } else {
 290                         $sub = wfMsg( "uploadfile" );
 291                         $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 292                 }
 293                 $wgOut->addHTML( "<p>" . wfMsg( "uploadtext" ) );
 294                 $sk = $wgUser->getSkin();
 295
 296                 $fn = wfMsg( "filename" );
 297                 $fd = wfMsg( "filedesc" );
 298                 $ulb = wfMsg( "uploadbtn" );
 299
 300                 $clink = $sk->makeKnownLink( wfMsg( "copyrightpage" ),
 301                   wfMsg( "copyrightpagename" ) );
 302                 $ca = wfMsg( "affirmation", $clink );
 303                 $iw = wfMsg( "ignorewarning" );
 304
 305                 $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 306                 $action = $titleObj->escapeLocalURL();
 307
 308                 $source = "
 309         <td align=right>
 310         <input tabindex=3 type=checkbox name=\"wpUploadAffirm\" value=\"1\" id=\"wpUploadAffirm\">
 311         </td><td align=left><label for=\"wpUploadAffirm\">{$ca}</label></td>
 312         " ;
 313                 if ( $wgUseCopyrightUpload )
 314                   {
 315                         $source = "
 316         <td align=right nowrap>" . wfMsg ( "filestatus" ) . ":</td>
 317         <td><input tabindex=3 type=text name=\"wpUploadCopyStatus\" value=\"" .
 318         htmlspecialchars($this->mUploadCopyStatus). "\" size=40></td>
 319         </tr><tr>
 320         <td align=right>". wfMsg ( "filesource" ) . ":</td>
 321         <td><input tabindex=4 type=text name=\"wpUploadSource\" value=\"" .
 322         htmlspecialchars($this->mUploadSource). "\" size=40></td>
 323         " ;
 324                   }
 325
 326                 $wgOut->addHTML( "
 327         <form id=\"upload\" method=\"post\" enctype=\"multipart/form-data\"
 328         action=\"{$action}\">
 329         <table border=0><tr>
 330         <td align=right>{$fn}:</td><td align=left>
 331         <input tabindex=1 type=file name=\"wpUploadFile\" value=\""
 332           . htmlspecialchars( $this->mUploadFile ) . "\" size=40>
 333         </td></tr><tr>
 334         <td align=right>{$fd}:</td><td align=left>
 335         <input tabindex=2 type=text name=\"wpUploadDescription\" value=\""
 336           . htmlspecialchars( $this->mUploadDescription ) . "\" size=40>
 337         </td></tr><tr>
 338         {$source}
 339         </tr>
 340         <tr><td>&nbsp;</td><td align=left>
 341         <input tabindex=5 type=submit name=\"wpUpload\" value=\"{$ulb}\">
 342         </td></tr></table></form>\n" );
 343         }
 344 }
 345 ?>