index.php

   1 <?php
   2 /**
   3  * Main wiki script; see docs/design.txt
   4  * @package MediaWiki
   5  */
   6
   7 $wgRequestTime = microtime();
   8
   9 unset( $IP );
  10 @ini_set( 'allow_url_fopen', 0 ); # For security...
  11
  12 # Valid web server entry point, enable includes.
  13 # Please don't move this line to includes/Defines.php. This line essentially defines
  14 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  15 # it becomes an entry point, thereby defeating its purpose.
  16 define( 'MEDIAWIKI', true );
  17 require_once( './includes/Defines.php' );
  18
  19 if( !file_exists( 'LocalSettings.php' ) ) {
  20         $IP = "." ;
  21         require_once( 'includes/DefaultSettings.php' ); # used for printing the version
  22 ?>
  23 <!DOCTYPE html PUBLIC "-//W3C/DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  24 <html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
  25         <head>
  26                 <title>MediaWiki <?php echo $wgVersion ?></title>
  27                 <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
  28
  29                 <style type='text/css' media='screen, projection'>
  30                         html, body {
  31                                 color: #000;
  32                                 background-color: #fff;
  33                                 font-family: serif;
  34                                 text-align:center;
  35                         }
  36
  37                         h1 {
  38                                 font-size: 150%;
  39                         }
  40                 </style>
  41         </head>
  42         <body>
  43                 <img src='skins/common/images/mediawiki.png' alt='The MediaWiki logo' />
  44
  45                 <h1>MediaWiki <?php echo $wgVersion ?></h1>
  46                 <div class='error'>
  47                 <?php
  48                 if ( file_exists( 'config/LocalSettings.php' ) ) {
  49                         echo( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory." );
  50                 } else {
  51                         echo( "You'll have to <a href='config/index.php' title='setup'>set the wiki up</a> first!" );
  52                 }
  53                 ?>
  54
  55                 </div>
  56         </body>
  57 </html>
  58 <?php
  59         die();
  60 }
  61
  62 require_once( './LocalSettings.php' );
  63 require_once( 'includes/Setup.php' );
  64
  65 wfProfileIn( 'main-misc-setup' );
  66 OutputPage::setEncodings(); # Not really used yet
  67
  68 # Query string fields
  69 $action = $wgRequest->getVal( 'action', 'view' );
  70 $title = $wgRequest->getVal( 'title' );
  71
  72 $action = rtrim( $action );
  73 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  74         $wgOut->setPrintable();
  75 }
  76
  77 if ( '' == $title && 'delete' != $action ) {
  78         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  79 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  80         # URLs like this are generated by RC, because rc_title isn't always accurate
  81         $wgTitle = Title::newFromID( $curid );
  82 } else {
  83         $wgTitle = Title::newFromURL( $title );
  84         /* check variant links so that interwiki links don't have to worry about
  85            the possible different language variants
  86         */
  87         if( !is_null($wgTitle) && $wgTitle->getArticleID() == 0 )
  88                 $wgContLang->findVariantLink( $title, $wgTitle );
  89
  90 }
  91 wfProfileOut( 'main-misc-setup' );
  92
  93 # Debug statement for user levels
  94 // print_r($wgUser);
  95
  96 # If the user is not logged in, the Namespace:title of the article must be in
  97 # the Read array in order for the user to see it. (We have to check here to
  98 # catch special pages etc. We check again in Article::view())
  99 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
 100         $wgOut->loginToUse();
 101         $wgOut->output();
 102         exit;
 103 }
 104
 105 wfProfileIn( 'main-action' );
 106
 107 $search = $wgRequest->getText( 'search' );
 108 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 109         require_once( 'includes/SpecialSearch.php' );
 110         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 111         wfSpecialSearch();
 112 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
 113         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 114         $wgOut->errorpage( 'badtitle', 'badtitletext' );
 115 } else if ( $wgTitle->getInterwiki() != '' ) {
 116         if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
 117                 $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
 118         } else {
 119                 $url = $wgTitle->getFullURL();
 120         }
 121         # Check for a redirect loop
 122         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
 123                 $wgOut->redirect( $url );
 124         } else {
 125                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 126                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
 127         }
 128 } else if ( ( $action == 'view' ) &&
 129         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
 130         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
 131 {
 132         /* redirect to canonical url, make it a 301 to allow caching */
 133         $wgOut->setSquidMaxage( 1200 );
 134         $wgOut->redirect( $wgTitle->getFullURL(), '301');
 135 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
 136         # actions that need to be made when we have a special pages
 137         SpecialPage::executePath( $wgTitle );
 138 } else {
 139         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 140                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 141         }
 142
 143         $ns = $wgTitle->getNamespace();
 144         if ( $ns == NS_IMAGE ) {
 145                 require_once( 'includes/ImagePage.php' );
 146                 $wgArticle = new ImagePage( $wgTitle );
 147         } elseif ( $wgUseCategoryMagic && $ns == NS_CATEGORY ) {
 148                 require_once( 'includes/CategoryPage.php' );
 149                 $wgArticle = new CategoryPage( $wgTitle );
 150         } else {
 151                 $wgArticle = new Article( $wgTitle );
 152         }
 153
 154         if ( in_array( $action, $wgDisabledActions ) ) {
 155                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 156         } else {
 157                 switch( $action ) {
 158                         case 'view':
 159                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 160                                 $wgArticle->view();
 161                                 break;
 162                         case 'watch':
 163                         case 'unwatch':
 164                         case 'delete':
 165                         case 'revert':
 166                         case 'rollback':
 167                         case 'protect':
 168                         case 'unprotect':
 169                         case 'info':
 170                         case 'markpatrolled':
 171                         case 'validate':
 172                                 $wgArticle->$action();
 173                                 break;
 174                         case 'print':
 175                                 $wgArticle->view();
 176                                 break;
 177                         case 'dublincore':
 178                                 if( !$wgEnableDublinCoreRdf ) {
 179                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 180                                 } else {
 181                                         require_once( 'includes/Metadata.php' );
 182                                         wfDublinCoreRdf( $wgArticle );
 183                                 }
 184                                 break;
 185                         case 'creativecommons':
 186                                 if( !$wgEnableCreativeCommonsRdf ) {
 187                                         wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 188                                 } else {
 189                                         require_once( 'includes/Metadata.php' );
 190                                         wfCreativeCommonsRdf( $wgArticle );
 191                                 }
 192                                 break;
 193                         case 'credits':
 194                                 require_once( 'includes/Credits.php' );
 195                                 showCreditsPage( $wgArticle );
 196                                 break;
 197                         case 'submit':
 198                                 if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 199                                         # Send a cookie so anons get talk message notifications
 200                                         User::SetupSession();
 201                                 }
 202                                 # Continue...
 203                         case 'edit':
 204                                 $internal = $wgRequest->getVal( 'internaledit' );
 205                                 $external = $wgRequest->getVal( 'externaledit' );
 206                                 $section = $wgRequest->getVal( 'section' );
 207                                 $oldid = $wgRequest->getVal( 'oldid' );
 208                                 if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 209                                    $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 210                                         require_once( 'includes/EditPage.php' );
 211                                         $editor = new EditPage( $wgArticle );
 212                                         $editor->submit();
 213                                 } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 214                                         require_once( 'includes/ExternalEdit.php' );
 215                                         $mode = $wgRequest->getVal( 'mode' );
 216                                         $extedit = new ExternalEdit( $wgArticle, $mode );
 217                                         $extedit->edit();
 218                                 }
 219                                 break;
 220                         case 'history':
 221                                 if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 222                                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 223                                 }
 224                                 require_once( 'includes/PageHistory.php' );
 225                                 $history = new PageHistory( $wgArticle );
 226                                 $history->history();
 227                                 break;
 228                         case 'raw':
 229                                 require_once( 'includes/RawPage.php' );
 230                                 $raw = new RawPage( $wgArticle );
 231                                 $raw->view();
 232                                 break;
 233                         case 'purge':
 234                                 wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 235                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 236                                 $wgTitle->invalidateCache();
 237                                 $wgArticle->view();
 238                                 break;
 239                         default:
 240                                 if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 241                                         $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 242                                 }
 243                 }
 244         }
 245 }
 246 wfProfileOut( 'main-action' );
 247
 248 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 249 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 250 # the client will wait until the script exits anyway before following the redirect.
 251 wfProfileIn( 'main-updates' );
 252 foreach ( $wgDeferredUpdateList as $up ) {
 253         $up->doUpdate();
 254 }
 255 wfProfileOut( 'main-updates' );
 256
 257 wfProfileIn( 'main-cleanup' );
 258 $wgLoadBalancer->saveMasterPos();
 259
 260 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 261 $wgLoadBalancer->commitAll();
 262
 263 $wgOut->output();
 264
 265 foreach ( $wgPostCommitUpdateList as $up ) {
 266         $up->doUpdate();
 267 }
 268
 269 wfProfileOut( 'main-cleanup' );
 270
 271 logProfilingData();
 272 $wgLoadBalancer->closeAll();
 273 wfDebug( "Request ended normally\n" );
 274 ?>