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;
  77                 global $wgCheckFileExtensions, $wgStrictFileExtensions;
  78                 global $wgFileExtensions, $wgFileBlacklist;
  79
  80                 if ( $wgUseCopyrightUpload ) {
  81                         $this->mUploadAffirm = 1;
  82                         if ( trim ( $this->mUploadCopyStatus ) == "" || trim ( $this->mUploadSource ) == "" ) {
  83                                 $this->mUploadAffirm = 0;
  84                         }
  85                 }
  86
  87                 if ( 1 != $this->mUploadAffirm ) {
  88                         $this->mainUploadForm( WfMsg( "noaffirmation" ) );
  89                         return;
  90                 }
  91
  92                 if ( "" != $this->mOname ) {
  93                         $basename = strrchr( $this->mOname, "/" );
  94                         if ( false === $basename ) { $basename = $this->mOname; }
  95                         else ( $basename = substr( $basename, 1 ) );
  96
  97                         $ext = strrchr( $basename, "." );
  98                         if ( false === $ext ) { $ext = ""; }
  99                         else { $ext = substr( $ext, 1 ); }
 100
 101                         if ( "" == $ext ) { $xl = 0; } else { $xl = strlen( $ext ) + 1; }
 102                         $partname = substr( $basename, 0, strlen( $basename ) - $xl );
 103
 104                         if ( strlen( $partname ) < 3 ) {
 105                                 $this->mainUploadForm( WfMsg( "minlength" ) );
 106                                 return;
 107                         }
 108                         $nt = Title::newFromText( $basename );
 109                         $this->mUploadSaveName = $nt->getDBkey();
 110
 111                         /* Don't allow users to override the blacklist */
 112                         if( $this->checkFileExtension( $ext, $wgFileBlacklist ) ||
 113                                 ($wgStrictFileExtensions && !$this->checkFileExtension( $ext, $wgFileExtensions ) ) ) {
 114                                 return $this->uploadError( wfMsg( "badfiletype", $ext ) );
 115                         }
 116
 117                         $this->saveUploadedFile( $this->mUploadSaveName, $this->mUploadTempName );
 118                         if ( ( ! $this->mIgnoreWarning ) &&
 119                           ( 0 != strcmp( ucfirst( $basename ), $this->mUploadSaveName ) ) ) {
 120                                 return $this->uploadWarning( wfMsg( "badfilename", $this->mUploadSaveName ) );
 121                         }
 122
 123                         if ( $wgCheckFileExtensions ) {
 124                                 if ( ( ! $this->mIgnoreWarning ) &&
 125                                          ( ! $this->checkFileExtension( $ext, $wgFileExtensions ) ) ) {
 126                                         return $this->uploadWarning( wfMsg( "badfiletype", $ext ) );
 127                                 }
 128                         }
 129                         if ( ( ! $this->mIgnoreWarning ) && ( $this->mUploadSize > 150000 ) ) {
 130                                 return $this->uploadWarning( wfMsg( "largefile" ) );
 131                         }
 132                 }
 133                 if ( !is_null( $this->mUploadOldVersion ) ) {
 134                         $wgUploadOldVersion = $this->mUploadOldVersion;
 135                 }
 136                 wfRecordUpload( $this->mUploadSaveName, $wgUploadOldVersion, $this->mUploadSize,
 137                   $this->mUploadDescription, $this->mUploadCopyStatus, $this->mUploadSource );
 138
 139                 $sk = $wgUser->getSkin();
 140                 $ilink = $sk->makeMediaLink( $this->mUploadSaveName, Image::wfImageUrl( $this->mUploadSaveName ) );
 141                 $dname = $wgLang->getNsText( Namespace::getImage() ) . ":{$this->mUploadSaveName}";
 142                 $dlink = $sk->makeKnownLink( $dname, $dname );
 143
 144                 $wgOut->addHTML( "<h2>" . wfMsg( "successfulupload" ) . "</h2>\n" );
 145                 $text = wfMsg( "fileuploaded", $ilink, $dlink );
 146                 $wgOut->addHTML( "<p>{$text}\n" );
 147                 $wgOut->returnToMain( false );
 148         }
 149
 150         function checkFileExtension( $ext, $list ) {
 151                 return in_array( strtolower( $ext ), $list );
 152         }
 153
 154         function saveUploadedFile( $saveName, $tempName )
 155         {
 156                 global $wgSavedFile, $wgUploadOldVersion;
 157                 global $wgUploadDirectory, $wgOut;
 158
 159                 $dest = wfImageDir( $saveName );
 160                 $archive = wfImageArchiveDir( $saveName );
 161                 $wgSavedFile = "{$dest}/{$saveName}";
 162
 163                 if ( is_file( $wgSavedFile ) ) {
 164                         $wgUploadOldVersion = gmdate( "YmdHis" ) . "!{$saveName}";
 165
 166                         if ( ! rename( $wgSavedFile, "${archive}/{$wgUploadOldVersion}" ) ) {
 167                                 $wgOut->fileRenameError( $wgSavedFile,
 168                                   "${archive}/{$wgUploadOldVersion}" );
 169                                 return;
 170                         }
 171                 } else {
 172                         $wgUploadOldVersion = "";
 173                 }
 174                 if ( ! move_uploaded_file( $tempName, $wgSavedFile ) ) {
 175                         $wgOut->fileCopyError( $tempName, $wgSavedFile );
 176                 }
 177                 chmod( $wgSavedFile, 0644 );
 178         }
 179
 180         function unsaveUploadedFile()
 181         {
 182                 global $wgUploadDirectory, $wgOut, $wgRequest;
 183
 184                 $wgSavedFile = $_SESSION['wsUploadFiles'][$this->mSessionKey];
 185                 $wgUploadOldVersion = $this->mUploadOldVersion;
 186
 187                 if ( ! @unlink( $wgSavedFile ) ) {
 188                         $wgOut->fileDeleteError( $wgSavedFile );
 189                         return;
 190                 }
 191                 if ( "" != $wgUploadOldVersion ) {
 192                         $hash = md5( substr( $wgUploadOldVersion, 15 ) );
 193                         $archive = "{$wgUploadDirectory}/archive/" . $hash{0} .
 194                         "/" . substr( $hash, 0, 2 );
 195
 196                         if ( ! rename( "{$archive}/{$wgUploadOldVersion}", $wgSavedFile ) ) {
 197                                 $wgOut->fileRenameError( "{$archive}/{$wgUploadOldVersion}",
 198                                   $wgSavedFile );
 199                         }
 200                 }
 201         }
 202
 203         function uploadError( $error )
 204         {
 205                 global $wgOut;
 206                 $sub = wfMsg( "uploadwarning" );
 207                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 208                 $wgOut->addHTML( "<h4><font color=red>{$error}</font></h4>\n" );
 209         }
 210
 211         function uploadWarning( $warning )
 212         {
 213                 global $wgOut, $wgUser, $wgLang, $wgUploadDirectory, $wgRequest;
 214                 global $wgSavedFile, $wgUploadOldVersion;
 215                 global $wgUseCopyrightUpload;
 216
 217                 # wgSavedFile is stored in the session not the form, for security
 218                 $this->mSessionKey = mt_rand( 0, 0x7fffffff );
 219                 $_SESSION['wsUploadFiles'][$this->mSessionKey] = $wgSavedFile;
 220
 221                 $sub = wfMsg( "uploadwarning" );
 222                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 223                 $wgOut->addHTML( "<h4><font color=red>{$warning}</font></h4>\n" );
 224
 225                 $save = wfMsg( "savefile" );
 226                 $reupload = wfMsg( "reupload" );
 227                 $iw = wfMsg( "ignorewarning" );
 228                 $reup = wfMsg( "reuploaddesc" );
 229                 $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 230                 $action = $titleObj->escapeLocalURL( "action=submit" );
 231
 232                 if ( $wgUseCopyrightUpload )
 233                 {
 234                         $copyright =  "
 235         <input type=hidden name=\"wpUploadCopyStatus\" value=\"" . htmlspecialchars( $this->mUploadCopyStatus ) . "\">
 236         <input type=hidden name=\"wpUploadSource\" value=\"" . htmlspecialchars( $this->mUploadSource ) . "\">
 237         ";
 238                 } else {
 239                         $copyright = "";
 240                 }
 241
 242                 $wgOut->addHTML( "
 243         <form id=\"uploadwarning\" method=\"post\" enctype=\"multipart/form-data\"
 244         action=\"{$action}\">
 245         <input type=hidden name=\"wpUploadAffirm\" value=\"1\">
 246         <input type=hidden name=\"wpIgnoreWarning\" value=\"1\">
 247         <input type=hidden name=\"wpUploadDescription\" value=\"" . htmlspecialchars( $this->mUploadDescription ) . "\">
 248         {$copyright}
 249         <input type=hidden name=\"wpUploadSaveName\" value=\"" . htmlspecialchars( $this->mUploadSaveName ) . "\">
 250         <input type=hidden name=\"wpUploadTempName\" value=\"" . htmlspecialchars( $this->mUploadTempName ) . "\">
 251         <input type=hidden name=\"wpUploadSize\" value=\"" . htmlspecialchars( $this->mUploadSize ) . "\">
 252         <input type=hidden name=\"wpSessionKey\" value=\"" . htmlspecialchars( $this->mSessionKey ) . "\">
 253         <input type=hidden name=\"wpUploadOldVersion\" value=\"" . htmlspecialchars( $wgUploadOldVersion) . "\">
 254         <table border=0><tr>
 255         <tr><td align=right>
 256         <input tabindex=2 type=submit name=\"wpUpload\" value=\"{$save}\">
 257         </td><td align=left>{$iw}</td></tr>
 258         <tr><td align=right>
 259         <input tabindex=2 type=submit name=\"wpReUpload\" value=\"{$reupload}\">
 260         </td><td align=left>{$reup}</td></tr></table></form>\n" );
 261         }
 262
 263         function mainUploadForm( $msg )
 264         {
 265                 global $wgOut, $wgUser, $wgLang, $wgUploadDirectory, $wgRequest;
 266                 global $wgUseCopyrightUpload;
 267
 268                 if ( "" != $msg ) {
 269                         $sub = wfMsg( "uploaderror" );
 270                         $wgOut->addHTML( "<h2>{$sub}</h2>\n" .
 271                           "<h4><font color=red>{$msg}</font></h4>\n" );
 272                 } else {
 273                         $sub = wfMsg( "uploadfile" );
 274                         $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 275                 }
 276                 $wgOut->addHTML( "<p>" . wfMsg( "uploadtext" ) );
 277                 $sk = $wgUser->getSkin();
 278
 279                 $fn = wfMsg( "filename" );
 280                 $fd = wfMsg( "filedesc" );
 281                 $ulb = wfMsg( "uploadbtn" );
 282
 283                 $clink = $sk->makeKnownLink( wfMsg( "copyrightpage" ),
 284                   wfMsg( "copyrightpagename" ) );
 285                 $ca = wfMsg( "affirmation", $clink );
 286                 $iw = wfMsg( "ignorewarning" );
 287
 288                 $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 289                 $action = $titleObj->escapeLocalURL();
 290
 291                 $source = "
 292         <td align=right>
 293         <input tabindex=3 type=checkbox name=\"wpUploadAffirm\" value=\"1\" id=\"wpUploadAffirm\">
 294         </td><td align=left><label for=\"wpUploadAffirm\">{$ca}</label></td>
 295         " ;
 296                 if ( $wgUseCopyrightUpload )
 297                   {
 298                         $source = "
 299         <td align=right nowrap>" . wfMsg ( "filestatus" ) . ":</td>
 300         <td><input tabindex=3 type=text name=\"wpUploadCopyStatus\" value=\"" .
 301         htmlspecialchars($this->mUploadCopyStatus). "\" size=40></td>
 302         </tr><tr>
 303         <td align=right>". wfMsg ( "filesource" ) . ":</td>
 304         <td><input tabindex=4 type=text name=\"wpUploadSource\" value=\"" .
 305         htmlspecialchars($this->mUploadSource). "\" size=40></td>
 306         " ;
 307                   }
 308
 309                 $wgOut->addHTML( "
 310         <form id=\"upload\" method=\"post\" enctype=\"multipart/form-data\"
 311         action=\"{$action}\">
 312         <table border=0><tr>
 313         <td align=right>{$fn}:</td><td align=left>
 314         <input tabindex=1 type=file name=\"wpUploadFile\" value=\""
 315           . htmlspecialchars( $this->mUploadFile ) . "\" size=40>
 316         </td></tr><tr>
 317         <td align=right>{$fd}:</td><td align=left>
 318         <input tabindex=2 type=text name=\"wpUploadDescription\" value=\""
 319           . htmlspecialchars( $this->mUploadDescription ) . "\" size=40>
 320         </td></tr><tr>
 321         {$source}
 322         </tr>
 323         <tr><td>&nbsp;</td><td align=left>
 324         <input tabindex=5 type=submit name=\"wpUpload\" value=\"{$ulb}\">
 325         </td></tr></table></form>\n" );
 326         }
 327 }
 328 ?>