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                 <style type='text/css' media='screen, projection'>
  29                         html, body {
  30                                 color: #000;
  31                                 background-color: #fff;
  32                                 font-family: sans-serif;
  33                                 text-align: center;
  34                         }
  35
  36                         h1 {
  37                                 font-size: 150%;
  38                         }
  39                 </style>
  40         </head>
  41         <body>
  42                 <img src='skins/common/images/mediawiki.png' alt='The MediaWiki logo' />
  43
  44                 <h1>MediaWiki <?php echo $wgVersion ?></h1>
  45                 <div class='error'>
  46                 <?php
  47                 if ( file_exists( 'config/LocalSettings.php' ) ) {
  48                         echo( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory." );
  49                 } else {
  50                         echo( "Please <a href='config/index.php' title='setup'>setup the wiki</a> first." );
  51                 }
  52                 ?>
  53
  54                 </div>
  55         </body>
  56 </html>
  57 <?php
  58         die();
  59 }
  60
  61 require_once( './LocalSettings.php' );
  62 require_once( 'includes/Setup.php' );
  63
  64 wfProfileIn( 'main-misc-setup' );
  65 OutputPage::setEncodings(); # Not really used yet
  66
  67 # Query string fields
  68 $action = $wgRequest->getVal( 'action', 'view' );
  69 $title = $wgRequest->getVal( 'title' );
  70
  71 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  72         $wgOut->setPrintable();
  73 }
  74
  75 if ( '' == $title && 'delete' != $action ) {
  76         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  77 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  78         # URLs like this are generated by RC, because rc_title isn't always accurate
  79         $wgTitle = Title::newFromID( $curid );
  80 } else {
  81         $wgTitle = Title::newFromURL( $title );
  82         /* check variant links so that interwiki links don't have to worry about
  83            the possible different language variants
  84         */
  85         if( !is_null($wgTitle) && $wgTitle->getArticleID() == 0 )
  86                 $wgContLang->findVariantLink( $title, $wgTitle );
  87
  88 }
  89 wfProfileOut( 'main-misc-setup' );
  90
  91 # Debug statement for user levels
  92 // print_r($wgUser);
  93
  94 # If the user is not logged in, the Namespace:title of the article must be in
  95 # the Read array in order for the user to see it. (We have to check here to
  96 # catch special pages etc. We check again in Article::view())
  97 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  98         $wgOut->loginToUse();
  99         $wgOut->output();
 100         exit;
 101 }
 102
 103 wfProfileIn( 'main-action' );
 104 $search = $wgRequest->getText( 'search' );
 105 if( $wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 106         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 107 }
 108
 109 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 110         require_once( 'includes/SpecialSearch.php' );
 111         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 112         wfSpecialSearch();
 113 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
 114         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 115         $wgOut->setStatusCode( 404 );
 116         $wgOut->errorpage( 'badtitle', 'badtitletext' );
 117 } else if ( $wgTitle->getInterwiki() != '' ) {
 118         if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
 119                 $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
 120         } else {
 121                 $url = $wgTitle->getFullURL();
 122         }
 123         # Check for a redirect loop
 124         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
 125                 $wgOut->redirect( $url );
 126         } else {
 127                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 128                 $wgOut->setStatusCode( 404 );
 129                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
 130         }
 131 } else if ( ( $action == 'view' ) &&
 132         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
 133         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
 134 {
 135         /* redirect to canonical url, make it a 301 to allow caching */
 136         $wgOut->setSquidMaxage( 1200 );
 137         $wgOut->redirect( $wgTitle->getFullURL(), '301');
 138 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
 139         # actions that need to be made when we have a special pages
 140         SpecialPage::executePath( $wgTitle );
 141 } else {
 142         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 143                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 144         }
 145
 146         if ( !$wgTitle->exists() ) {
 147                 $wgOut->setStatusCode( 404 );
 148         }
 149
 150         $ns = $wgTitle->getNamespace();
 151
 152         // Namespace might change when using redirects
 153         if($action == 'view' && !$wgRequest->getVal( 'oldid' ) ) {
 154                 $wgArticle = new Article( $wgTitle );
 155                 $rTitle = Title::newFromRedirect( $wgArticle->fetchContent() );
 156                 if($rTitle) {
 157                         # Reload from the page pointed to later
 158                         $wgArticle->mContentLoaded = false;
 159                         $ns = $rTitle->getNamespace();
 160                 }
 161         }
 162
 163         // Categories and images are handled by a different class
 164         if ( $ns == NS_IMAGE ) {
 165                 unset($wgArticle);
 166                 require_once( 'includes/ImagePage.php' );
 167                 $wgArticle = new ImagePage( $wgTitle );
 168         } elseif ( $wgUseCategoryMagic && $ns == NS_CATEGORY ) {
 169                 unset($wgArticle);
 170                 require_once( 'includes/CategoryPage.php' );
 171                 $wgArticle = new CategoryPage( $wgTitle );
 172         }
 173
 174         if ( in_array( $action, $wgDisabledActions ) ) {
 175                 $wgOut->setStatusCode( 404 );
 176                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 177         } else {
 178                 switch( $action ) {
 179                         case 'view':
 180                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 181                                 $wgArticle->view();
 182                                 break;
 183                         case 'watch':
 184                         case 'unwatch':
 185                         case 'delete':
 186                         case 'revert':
 187                         case 'rollback':
 188                         case 'protect':
 189                         case 'unprotect':
 190                         case 'info':
 191                         case 'markpatrolled':
 192                         case 'validate':
 193                         case 'render':
 194                         case 'deletetrackback':
 195                                 $wgArticle->$action();
 196                                 break;
 197                         case 'print':
 198                                 $wgArticle->view();
 199                                 break;
 200                         case 'dublincore':
 201                                 if( !$wgEnableDublinCoreRdf ) {
 202                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 203                                 } else {
 204                                         require_once( 'includes/Metadata.php' );
 205                                         wfDublinCoreRdf( $wgArticle );
 206                                 }
 207                                 break;
 208                         case 'creativecommons':
 209                                 if( !$wgEnableCreativeCommonsRdf ) {
 210                                         wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 211                                 } else {
 212                                         require_once( 'includes/Metadata.php' );
 213                                         wfCreativeCommonsRdf( $wgArticle );
 214                                 }
 215                                 break;
 216                         case 'credits':
 217                                 require_once( 'includes/Credits.php' );
 218                                 showCreditsPage( $wgArticle );
 219                                 break;
 220                         case 'submit':
 221                                 if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 222                                         # Send a cookie so anons get talk message notifications
 223                                         User::SetupSession();
 224                                 }
 225                                 # Continue...
 226                         case 'edit':
 227                                 $internal = $wgRequest->getVal( 'internaledit' );
 228                                 $external = $wgRequest->getVal( 'externaledit' );
 229                                 $section = $wgRequest->getVal( 'section' );
 230                                 $oldid = $wgRequest->getVal( 'oldid' );
 231                                 if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 232                                    $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 233                                         require_once( 'includes/EditPage.php' );
 234                                         $editor = new EditPage( $wgArticle );
 235                                         $editor->submit();
 236                                 } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 237                                         require_once( 'includes/ExternalEdit.php' );
 238                                         $mode = $wgRequest->getVal( 'mode' );
 239                                         $extedit = new ExternalEdit( $wgArticle, $mode );
 240                                         $extedit->edit();
 241                                 }
 242                                 break;
 243                         case 'history':
 244                                 if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 245                                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 246                                 }
 247                                 require_once( 'includes/PageHistory.php' );
 248                                 $history = new PageHistory( $wgArticle );
 249                                 $history->history();
 250                                 break;
 251                         case 'raw':
 252                                 require_once( 'includes/RawPage.php' );
 253                                 $raw = new RawPage( $wgArticle );
 254                                 $raw->view();
 255                                 break;
 256                         case 'purge':
 257                                 wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 258                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 259                                 $wgTitle->invalidateCache();
 260                                 $wgArticle->view();
 261                                 break;
 262                         default:
 263                                 if (wfRunHooks('UnknownAction', array($action, $wgArticle))) {
 264                                         $wgOut->setStatusCode( 404 );
 265                                         $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 266                                 }
 267                 }
 268         }
 269 }
 270 wfProfileOut( 'main-action' );
 271
 272 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 273 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 274 # the client will wait until the script exits anyway before following the redirect.
 275 wfProfileIn( 'main-updates' );
 276 foreach ( $wgDeferredUpdateList as $up ) {
 277         $up->doUpdate();
 278 }
 279 wfProfileOut( 'main-updates' );
 280
 281 wfProfileIn( 'main-cleanup' );
 282 $wgLoadBalancer->saveMasterPos();
 283
 284 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 285 $wgLoadBalancer->commitAll();
 286
 287 $wgOut->output();
 288
 289 foreach ( $wgPostCommitUpdateList as $up ) {
 290         $up->doUpdate();
 291 }
 292
 293 wfProfileOut( 'main-cleanup' );
 294
 295 logProfilingData();
 296 $wgLoadBalancer->closeAll();
 297 wfDebug( "Request ended normally\n" );
 298 ?>