includes/SpecialUpload.php

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