includes/SpecialUpload.php

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