index.php

   1 <?php
   2
   3 #apd_set_pprof_trace();
   4 # Main wiki script; see design.doc
   5 #
   6 $wgRequestTime = microtime();
   7
   8 unset( $IP );
   9 @ini_set( 'allow_url_fopen', 0 ); # For security...
  10 if( !file_exists( 'LocalSettings.php' ) ) {
  11         if ( file_exists( 'config/LocalSettings.php' ) ) {
  12                 die( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory.\n" );
  13         } else {
  14                 die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  15         }
  16 }
  17
  18 # Valid web server entry point, enable includes.
  19 # Please don't move this line to includes/Defines.php. This line essentially defines
  20 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  21 # it becomes an entry point, thereby defeating its purpose.
  22 define( 'MEDIAWIKI', true );
  23
  24 require_once( './includes/Defines.php' );
  25 require_once( './LocalSettings.php' );
  26 require_once( 'includes/Setup.php' );
  27
  28 wfProfileIn( 'main-misc-setup' );
  29 OutputPage::setEncodings(); # Not really used yet
  30
  31 # Query string fields
  32 $action = $wgRequest->getVal( 'action', 'view' );
  33 $title = $wgRequest->getVal( 'title' );
  34
  35 $action = strtolower( trim( $action ) );
  36 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  37         $wgOut->setPrintable();
  38 }
  39
  40 if ( '' == $title && 'delete' != $action ) {
  41         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  42 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  43         # URLs like this are generated by RC, because rc_title isn't always accurate
  44         $wgTitle = Title::newFromID( $curid );
  45 } else {
  46         $wgTitle = Title::newFromURL( $title );
  47 }
  48 wfProfileOut( 'main-misc-setup' );
  49
  50 # Debug statement for user levels
  51 // print_r($wgUser);
  52
  53 # If the user is not logged in, the Namespace:title of the article must be in
  54 # the Read array in order for the user to see it. (We have to check here to
  55 # catch special pages etc. We check again in Article::view())
  56 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  57         $wgOut->loginToUse();
  58         $wgOut->output();
  59         exit;
  60 }
  61
  62 wfProfileIn( 'main-action' );
  63
  64 $search = $wgRequest->getText( 'search' );
  65 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
  66         require_once( 'includes/SpecialSearch.php' );
  67         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
  68         wfSpecialSearch();
  69 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
  70         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  71         $wgOut->errorpage( 'badtitle', 'badtitletext' );
  72 } else if ( $wgTitle->getInterwiki() != '' ) {
  73         if( $wgUseLatin1 ) {
  74                 # Conversion from UTF-8 may truncate or corrupt non-Latin links.
  75                 # Grab a fresh copy without doing the automated conversion checks.
  76                 $interwiki = Title::newFromUrl( $_REQUEST['title'] );
  77                 if( !is_null( $interwiki ) ) $wgTitle = $interwiki;
  78         }
  79         if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
  80                 $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
  81         } else {
  82                 $url = $wgTitle->getFullURL();
  83         }
  84         # Check for a redirect loop
  85         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
  86                 $wgOut->redirect( $url );
  87         } else {
  88                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  89                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
  90         }
  91 } else if ( ( $action == 'view' ) &&
  92         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  93         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  94 {
  95         /* redirect to canonical url, make it a 301 to allow caching */
  96         $wgOut->setSquidMaxage( 1200 );
  97         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  98 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
  99         # actions that need to be made when we have a special pages
 100         require_once( 'includes/SpecialPage.php' );
 101         SpecialPage::executePath( $wgTitle );
 102 } else {
 103         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 104                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 105         }
 106
 107         switch( $wgTitle->getNamespace() ) {
 108         case NS_IMAGE:
 109                 require_once( 'includes/ImagePage.php' );
 110                 $wgArticle = new ImagePage( $wgTitle );
 111                 break;
 112         case NS_CATEGORY:
 113                 if ( $wgUseCategoryMagic ) {
 114                         require_once( 'includes/CategoryPage.php' );
 115                         $wgArticle = new CategoryPage( $wgTitle );
 116                         break;
 117                 }
 118                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 119                 # Don't insert other cases between NS_CATEGORY and default.
 120         default:
 121                 $wgArticle = new Article( $wgTitle );
 122         }
 123
 124         switch( $action ) {
 125                 case 'view':
 126                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 127                         $wgArticle->view();
 128                         break;
 129                 case 'watch':
 130                 case 'unwatch':
 131                 case 'delete':
 132                 case 'revert':
 133                 case 'rollback':
 134                 case 'protect':
 135                 case 'unprotect':
 136                 case 'info':
 137                 case 'markpatrolled':
 138                 case 'validate':
 139                         $wgArticle->$action();
 140                         break;
 141                 case 'print':
 142                         $wgArticle->view();
 143                         break;
 144                 case 'dublincore':
 145                         if( !$wgEnableDublinCoreRdf ) {
 146                                 wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 147                         } else {
 148                                 require_once( 'includes/Metadata.php' );
 149                                 wfDublinCoreRdf( $wgArticle );
 150                         }
 151                         break;
 152                 case 'creativecommons':
 153                         if( !$wgEnableCreativeCommonsRdf ) {
 154                                 wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 155                         } else {
 156                                 require_once( 'includes/Metadata.php' );
 157                                 wfCreativeCommonsRdf( $wgArticle );
 158                         }
 159                         break;
 160                 case 'credits':
 161                         require_once( 'includes/Credits.php' );
 162                         showCreditsPage( $wgArticle );
 163                         break;
 164                 case 'submit':
 165                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 166                                 # Send a cookie so anons get talk message notifications
 167                                 User::SetupSession();
 168                         }
 169                         # Continue...
 170                 case 'edit':
 171                         $internal = $wgRequest->getVal( 'internaledit' );
 172                         $external = $wgRequest->getVal( 'externaledit' );
 173                         $section = $wgRequest->getVal( 'section' );
 174                         $oldid = $wgRequest->getVal( 'oldid' );
 175                         if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 176                            $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 177                                 require_once( 'includes/EditPage.php' );
 178                                 $editor = new EditPage( $wgArticle );
 179                                 $editor->submit();
 180                         } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 181                                 require_once( 'includes/ExternalEdit.php' );
 182                                 $mode = $wgRequest->getVal( 'mode' );
 183                                 $extedit = new ExternalEdit( $wgArticle, $mode );
 184                                 $extedit->edit();
 185                         }
 186                         break;
 187                 case 'history':
 188                         if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 189                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 190                         }
 191                         require_once( 'includes/PageHistory.php' );
 192                         $history = new PageHistory( $wgArticle );
 193                         $history->history();
 194                         break;
 195                 case 'raw':
 196                         require_once( 'includes/RawPage.php' );
 197                         $raw = new RawPage( $wgArticle );
 198                         $raw->view();
 199                         break;
 200                 case 'purge':
 201                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 202                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 203                         $wgTitle->invalidateCache();
 204                         $wgArticle->view();
 205                         break;
 206                 default:
 207                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 208                                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 209                         }
 210         }
 211 }
 212 wfProfileOut( 'main-action' );
 213
 214 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 215 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 216 # the client will wait until the script exits anyway before following the redirect.
 217 wfProfileIn( 'main-updates' );
 218 foreach ( $wgDeferredUpdateList as $up ) {
 219         $up->doUpdate();
 220 }
 221 wfProfileOut( 'main-updates' );
 222
 223 wfProfileIn( 'main-cleanup' );
 224 $wgLoadBalancer->saveMasterPos();
 225
 226 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 227 $wgLoadBalancer->commitAll();
 228
 229 $wgOut->output();
 230
 231 foreach ( $wgPostCommitUpdateList as $up ) {
 232         $up->doUpdate();
 233 }
 234
 235 wfProfileOut( 'main-cleanup' );
 236
 237 logProfilingData();
 238 $wgLoadBalancer->closeAll();
 239 wfDebug( "Request ended normally\n" );
 240 ?>