includes/SpecialUpload.php

   1 <?php
   2
   3 function wfSpecialUpload()
   4 {
   5         global $wgUser, $wgOut, $wpUpload, $wpReUpload, $action;
   6         global $wgDisableUploads;
   7
   8     if ( $wgDisableUploads ) {
   9         $wgOut->addWikiText( wfMsg( "uploaddisabled" ) );
  10         return;
  11     }
  12         if ( ( 0 == $wgUser->getID() )
  13                 or $wgUser->isBlocked() ) {
  14                 $wgOut->errorpage( "uploadnologin", "uploadnologintext" );
  15                 return;
  16         }
  17         if ( wfReadOnly() ) {
  18                 $wgOut->readOnlyPage();
  19                 return;
  20         }
  21         if ( isset( $wpReUpload) ) {
  22                 unsaveUploadedFile();
  23                 mainUploadForm( "" );
  24         } else if ( "submit" == $action || isset( $wpUpload ) ) {
  25                 processUpload();
  26         } else {
  27                 mainUploadForm( "" );
  28         }
  29 }
  30
  31 function processUpload()
  32 {
  33         global $wgUser, $wgOut, $wgLang, $wpUploadAffirm, $wpUploadFile;
  34         global $wpUploadDescription, $wpIgnoreWarning;
  35         global $HTTP_POST_FILES, $wgUploadDirectory;
  36         global $wpUploadSaveName, $wpUploadTempName, $wpUploadSize;
  37         global $wgSavedFile, $wgUploadOldVersion, $wpUploadOldVersion;
  38         global $wgUseCopyrightUpload , $wpUploadCopyStatus , $wpUploadSource ;
  39         global $wgCheckFileExtensions, $wgStrictFileExtensions;
  40         global $wgFileExtensions, $wgFileBlacklist;
  41
  42         if ( $wgUseCopyrightUpload ) {
  43                 $wpUploadAffirm = 1;
  44                 if ( trim ( $wpUploadCopyStatus ) == "" || trim ( $wpUploadSource ) == "" ) {
  45                         $wpUploadAffirm = 0;
  46                 }
  47         }
  48
  49         if ( 1 != $wpUploadAffirm ) {
  50                 mainUploadForm( WfMsg( "noaffirmation" ) );
  51                 return;
  52         }
  53         if ( ! $wpUploadTempName ) {
  54                 $wpUploadTempName = $HTTP_POST_FILES['wpUploadFile']['tmp_name'];
  55         }
  56         if ( ! $wpUploadSize ) {
  57                 $wpUploadSize = $HTTP_POST_FILES['wpUploadFile']['size'];
  58         }
  59         $prev = error_reporting( E_ALL & ~( E_NOTICE | E_WARNING ) );
  60         $oname = $wgRequest->getVal( $HTTP_POST_FILES['wpUploadFile'], 'name' );
  61         error_reporting( $prev );
  62
  63         if ( "" != $oname ) {
  64                 $basename = strrchr( $oname, "/" );
  65                 if ( false === $basename ) { $basename = $oname; }
  66                 else ( $basename = substr( $basename, 1 ) );
  67
  68                 $ext = strrchr( $basename, "." );
  69                 if ( false === $ext ) { $ext = ""; }
  70                 else { $ext = substr( $ext, 1 ); }
  71
  72                 if ( "" == $ext ) { $xl = 0; } else { $xl = strlen( $ext ) + 1; }
  73                 $partname = substr( $basename, 0, strlen( $basename ) - $xl );
  74
  75                 if ( strlen( $partname ) < 3 ) {
  76                         mainUploadForm( WfMsg( "minlength" ) );
  77                         return;
  78                 }
  79                 $nt = Title::newFromText( $basename );
  80                 $wpUploadSaveName = $nt->getDBkey();
  81
  82                 /* Don't allow users to override the blacklist */
  83                 if( checkFileExtension( $ext, $wgFileBlacklist ) ||
  84                         ($wgStrictFileExtensions && !checkFileExtension( $ext, $wgFileExtensions ) ) ) {
  85                         return uploadError( wfMsg( "badfiletype", $ext ) );
  86                 }
  87
  88                 saveUploadedFile();
  89                 if ( ( ! $wpIgnoreWarning ) &&
  90                   ( 0 != strcmp( ucfirst( $basename ), $wpUploadSaveName ) ) ) {
  91                         return uploadWarning( wfMsg( "badfilename", $wpUploadSaveName ) );
  92                 }
  93
  94                 if ( $wgCheckFileExtensions ) {
  95                         if ( ( ! $wpIgnoreWarning ) &&
  96                                  ( ! checkFileExtension( $ext, $wgFileExtensions ) ) ) {
  97                                 return uploadWarning( wfMsg( "badfiletype", $ext ) );
  98                         }
  99                 }
 100                 if ( ( ! $wpIgnoreWarning ) && ( $wpUploadSize > 150000 ) ) {
 101                         return uploadWarning( WfMsg( "largefile" ) );
 102                 }
 103         }
 104         if ( isset( $wpUploadOldVersion ) ) {
 105                 $wgUploadOldVersion = $wpUploadOldVersion;
 106         }
 107         wfRecordUpload( $wpUploadSaveName, $wgUploadOldVersion,
 108           $wpUploadSize, $wpUploadDescription );
 109
 110         $sk = $wgUser->getSkin();
 111         $ilink = $sk->makeMediaLink( $wpUploadSaveName, wfImageUrl(
 112           $wpUploadSaveName ) );
 113         $dname = $wgLang->getNsText( Namespace::getImage() ) . ":{$wpUploadSaveName}";
 114         $dlink = $sk->makeKnownLink( $dname, $dname );
 115
 116         $wgOut->addHTML( "<h2>" . wfMsg( "successfulupload" ) . "</h2>\n" );
 117         $text = wfMsg( "fileuploaded", $ilink, $dlink );
 118         $wgOut->addHTML( "<p>{$text}\n" );
 119         $wgOut->returnToMain( false );
 120 }
 121
 122 function checkFileExtension( $ext, $list ) {
 123         return in_array( strtolower( $ext ), $list );
 124 }
 125
 126 function saveUploadedFile()
 127 {
 128         global $wpUploadSaveName, $wpUploadTempName;
 129         global $wgSavedFile, $wgUploadOldVersion;
 130         global $wgUploadDirectory, $wgOut;
 131
 132         $dest = wfImageDir( $wpUploadSaveName );
 133         $archive = wfImageArchiveDir( $wpUploadSaveName );
 134         $wgSavedFile = "{$dest}/{$wpUploadSaveName}";
 135
 136         if ( is_file( $wgSavedFile ) ) {
 137                 $wgUploadOldVersion = gmdate( "YmdHis" ) . "!{$wpUploadSaveName}";
 138
 139                 if ( ! rename( $wgSavedFile, "${archive}/{$wgUploadOldVersion}" ) ) {
 140                         $wgOut->fileRenameError( $wgSavedFile,
 141                           "${archive}/{$wgUploadOldVersion}" );
 142                         return;
 143                 }
 144         } else {
 145                 $wgUploadOldVersion = "";
 146         }
 147         if ( ! move_uploaded_file( $wpUploadTempName, $wgSavedFile ) ) {
 148                 $wgOut->fileCopyError( $wpUploadTempName, $wgSavedFile );
 149         }
 150         chmod( $wgSavedFile, 0644 );
 151 }
 152
 153 function unsaveUploadedFile()
 154 {
 155         global $wpSessionKey, $wpUploadOldVersion;
 156         global $wgUploadDirectory, $wgOut;
 157
 158         $wgSavedFile = $_SESSION['wsUploadFiles'][$wpSessionKey];
 159         $wgUploadOldVersion = $wpUploadOldVersion;
 160
 161         if ( ! @unlink( $wgSavedFile ) ) {
 162                 $wgOut->fileDeleteError( $wgSavedFile );
 163                 return;
 164         }
 165         if ( "" != $wgUploadOldVersion ) {
 166                 $hash = md5( substr( $wgUploadOldVersion, 15 ) );
 167                 $archive = "{$wgUploadDirectory}/archive/" . $hash{0} .
 168                 "/" . substr( $hash, 0, 2 );
 169
 170                 if ( ! rename( "{$archive}/{$wgUploadOldVersion}", $wgSavedFile ) ) {
 171                         $wgOut->fileRenameError( "{$archive}/{$wgUploadOldVersion}",
 172                           $wgSavedFile );
 173                 }
 174         }
 175 }
 176
 177 function uploadError( $error )
 178 {
 179         global $wgOut;
 180         $sub = wfMsg( "uploadwarning" );
 181         $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 182         $wgOut->addHTML( "<h4><font color=red>{$error}</font></h4>\n" );
 183 }
 184
 185 function uploadWarning( $warning )
 186 {
 187         global $wgOut, $wgUser, $wgLang, $wgUploadDirectory;
 188         global $wpUpload, $wpReUpload, $wpUploadAffirm, $wpUploadFile;
 189         global $wpUploadDescription, $wpIgnoreWarning;
 190         global $wpUploadSaveName, $wpUploadTempName, $wpUploadSize;
 191         global $wgSavedFile, $wgUploadOldVersion;
 192         global $wpSessionKey, $wpUploadOldVersion;
 193         global $wgUseCopyrightUpload , $wpUploadCopyStatus , $wpUploadSource ;
 194
 195         # wgSavedFile is stored in the session not the form, for security
 196         $wpSessionKey = mt_rand( 0, 0x7fffffff );
 197         $_SESSION['wsUploadFiles'][$wpSessionKey] = $wgSavedFile;
 198
 199         $sub = wfMsg( "uploadwarning" );
 200         $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 201         $wgOut->addHTML( "<h4><font color=red>{$warning}</font></h4>\n" );
 202
 203         $save = wfMsg( "savefile" );
 204         $reupload = wfMsg( "reupload" );
 205         $iw = wfMsg( "ignorewarning" );
 206         $reup = wfMsg( "reuploaddesc" );
 207         $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 208         $action = $titleObj->escapeLocalURL( "action=submit" );
 209
 210         if ( $wgUseCopyrightUpload )
 211         {
 212                 $copyright =  "
 213 <input type=hidden name=\"wpUploadCopyStatus\" value=\"" . htmlspecialchars( $wpUploadCopyStatus ) . "\">
 214 <input type=hidden name=\"wpUploadSource\" value=\"" . htmlspecialchars( $wpUploadSource ) . "\">
 215 ";
 216         }
 217
 218         $wgOut->addHTML( "
 219 <form id=\"uploadwarning\" method=\"post\" enctype=\"multipart/form-data\"
 220 action=\"{$action}\">
 221 <input type=hidden name=\"wpUploadAffirm\" value=\"1\">
 222 <input type=hidden name=\"wpIgnoreWarning\" value=\"1\">
 223 <input type=hidden name=\"wpUploadDescription\" value=\"" . htmlspecialchars( $wpUploadDescription ) . "\">
 224 {$copyright}
 225 <input type=hidden name=\"wpUploadSaveName\" value=\"" . htmlspecialchars( $wpUploadSaveName ) . "\">
 226 <input type=hidden name=\"wpUploadTempName\" value=\"" . htmlspecialchars( $wpUploadTempName ) . "\">
 227 <input type=hidden name=\"wpUploadSize\" value=\"" . htmlspecialchars( $wpUploadSize ) . "\">
 228 <input type=hidden name=\"wpSessionKey\" value=\"" . htmlspecialchars( $wpSessionKey ) . "\">
 229 <input type=hidden name=\"wpUploadOldVersion\" value=\"" . htmlspecialchars( $wgUploadOldVersion) . "\">
 230 <table border=0><tr>
 231 <tr><td align=right>
 232 <input tabindex=2 type=submit name=\"wpUpload\" value=\"{$save}\">
 233 </td><td align=left>{$iw}</td></tr>
 234 <tr><td align=right>
 235 <input tabindex=2 type=submit name=\"wpReUpload\" value=\"{$reupload}\">
 236 </td><td align=left>{$reup}</td></tr></table></form>\n" );
 237 }
 238
 239 function mainUploadForm( $msg )
 240 {
 241         global $wgOut, $wgUser, $wgLang, $wgUploadDirectory;
 242         global $wpUpload, $wpUploadAffirm, $wpUploadFile;
 243         global $wpUploadDescription, $wpIgnoreWarning;
 244         global $wgUseCopyrightUpload , $wpUploadSource , $wpUploadCopyStatus ;
 245
 246         if ( "" != $msg ) {
 247                 $sub = wfMsg( "uploaderror" );
 248                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" .
 249                   "<h4><font color=red>{$msg}</font></h4>\n" );
 250         } else {
 251                 $sub = wfMsg( "uploadfile" );
 252                 $wgOut->addHTML( "<h2>{$sub}</h2>\n" );
 253         }
 254         $wgOut->addHTML( "<p>" . wfMsg( "uploadtext" ) );
 255         $sk = $wgUser->getSkin();
 256
 257         $fn = wfMsg( "filename" );
 258         $fd = wfMsg( "filedesc" );
 259         $ulb = wfMsg( "uploadbtn" );
 260
 261         $clink = $sk->makeKnownLink( wfMsg( "copyrightpage" ),
 262           wfMsg( "copyrightpagename" ) );
 263         $ca = wfMsg( "affirmation", $clink );
 264         $iw = wfMsg( "ignorewarning" );
 265
 266         $titleObj = Title::makeTitle( NS_SPECIAL, "Upload" );
 267         $action = $titleObj->escapeLocalURL();
 268
 269         $source = "
 270 <td align=right>
 271 <input tabindex=3 type=checkbox name=\"wpUploadAffirm\" value=\"1\" id=\"wpUploadAffirm\">
 272 </td><td align=left><label for=\"wpUploadAffirm\">{$ca}</label></td>
 273 " ;
 274         if ( $wgUseCopyrightUpload )
 275           {
 276             $source = "
 277 <td align=right nowrap>" . wfMsg ( "filestatus" ) . ":</td>
 278 <td><input tabindex=3 type=text name=\"wpUploadCopyStatus\" value=\"" .
 279 htmlspecialchars($wpUploadCopyStatus). "\" size=40></td>
 280 </tr><tr>
 281 <td align=right>". wfMsg ( "filesource" ) . ":</td>
 282 <td><input tabindex=4 type=text name=\"wpUploadSource\" value=\"" .
 283 htmlspecialchars($wpUploadSource). "\" size=40></td>
 284 " ;
 285           }
 286
 287         $wgOut->addHTML( "
 288 <form id=\"upload\" method=\"post\" enctype=\"multipart/form-data\"
 289 action=\"{$action}\">
 290 <table border=0><tr>
 291 <td align=right>{$fn}:</td><td align=left>
 292 <input tabindex=1 type=file name=\"wpUploadFile\" value=\""
 293   . htmlspecialchars( $wpUploadFile ) . "\" size=40>
 294 </td></tr><tr>
 295 <td align=right>{$fd}:</td><td align=left>
 296 <input tabindex=2 type=text name=\"wpUploadDescription\" value=\""
 297   . htmlspecialchars( $wpUploadDescription ) . "\" size=40>
 298 </td></tr><tr>
 299 {$source}
 300 </tr>
 301 <tr><td>&nbsp;</td><td align=left>
 302 <input tabindex=5 type=submit name=\"wpUpload\" value=\"{$ulb}\">
 303 </td></tr></table></form>\n" );
 304 }
 305
 306 ?>