index.php

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