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 = $wgRequest->getVal( 'title' );
  71
  72 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  73         $wgOut->setPrintable();
  74 }
  75
  76 if ( '' == $title && 'delete' != $action ) {
  77         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  78 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  79         # URLs like this are generated by RC, because rc_title isn't always accurate
  80         $wgTitle = Title::newFromID( $curid );
  81 } else {
  82         $wgTitle = Title::newFromURL( $title );
  83         /* check variant links so that interwiki links don't have to worry about
  84            the possible different language variants
  85         */
  86         if( !is_null($wgTitle) && $wgTitle->getArticleID() == 0 )
  87                 $wgContLang->findVariantLink( $title, $wgTitle );
  88
  89 }
  90 wfProfileOut( 'main-misc-setup' );
  91
  92 # Debug statement for user levels
  93 // print_r($wgUser);
  94
  95 # If the user is not logged in, the Namespace:title of the article must be in
  96 # the Read array in order for the user to see it. (We have to check here to
  97 # catch special pages etc. We check again in Article::view())
  98 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  99         $wgOut->loginToUse();
 100         $wgOut->output();
 101         exit;
 102 }
 103
 104 wfProfileIn( 'main-action' );
 105 $search = $wgRequest->getText( 'search' );
 106 if( $wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 107         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 108 }
 109
 110 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 111         require_once( 'includes/SpecialSearch.php' );
 112         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 113         wfSpecialSearch();
 114 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
 115         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 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->errorpage( 'badtitle', 'badtitletext' );
 129         }
 130 } else if ( ( $action == 'view' ) &&
 131         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
 132         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
 133 {
 134         /* redirect to canonical url, make it a 301 to allow caching */
 135         $wgOut->setSquidMaxage( 1200 );
 136         $wgOut->redirect( $wgTitle->getFullURL(), '301');
 137 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
 138         # actions that need to be made when we have a special pages
 139         SpecialPage::executePath( $wgTitle );
 140 } else {
 141         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 142                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 143         }
 144
 145         $ns = $wgTitle->getNamespace();
 146
 147         // Namespace might change when using redirects
 148         if($action == 'view' && !$wgRequest->getVal( 'oldid' ) ) {
 149                 $wgArticle = new Article( $wgTitle );
 150                 $rTitle = Title::newFromRedirect( $wgArticle->fetchContent() );
 151                 if($rTitle) {
 152                         # Reload from the page pointed to later
 153                         $wgArticle->mContentLoaded = false;
 154                         $ns = $rTitle->getNamespace();
 155                 }
 156         }
 157
 158         // Categories and images are handled by a different class
 159         if ( $ns == NS_IMAGE ) {
 160                 unset($wgArticle);
 161                 require_once( 'includes/ImagePage.php' );
 162                 $wgArticle = new ImagePage( $wgTitle );
 163         } elseif ( $wgUseCategoryMagic && $ns == NS_CATEGORY ) {
 164                 unset($wgArticle);
 165                 require_once( 'includes/CategoryPage.php' );
 166                 $wgArticle = new CategoryPage( $wgTitle );
 167         }
 168
 169         if ( in_array( $action, $wgDisabledActions ) ) {
 170                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 171         } else {
 172                 switch( $action ) {
 173                         case 'view':
 174                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 175                                 $wgArticle->view();
 176                                 break;
 177                         case 'watch':
 178                         case 'unwatch':
 179                         case 'delete':
 180                         case 'revert':
 181                         case 'rollback':
 182                         case 'protect':
 183                         case 'unprotect':
 184                         case 'info':
 185                         case 'markpatrolled':
 186                         case 'validate':
 187                         case 'render':
 188                         case 'deletetrackback':
 189                                 $wgArticle->$action();
 190                                 break;
 191                         case 'print':
 192                                 $wgArticle->view();
 193                                 break;
 194                         case 'dublincore':
 195                                 if( !$wgEnableDublinCoreRdf ) {
 196                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 197                                 } else {
 198                                         require_once( 'includes/Metadata.php' );
 199                                         wfDublinCoreRdf( $wgArticle );
 200                                 }
 201                                 break;
 202                         case 'creativecommons':
 203                                 if( !$wgEnableCreativeCommonsRdf ) {
 204                                         wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 205                                 } else {
 206                                         require_once( 'includes/Metadata.php' );
 207                                         wfCreativeCommonsRdf( $wgArticle );
 208                                 }
 209                                 break;
 210                         case 'credits':
 211                                 require_once( 'includes/Credits.php' );
 212                                 showCreditsPage( $wgArticle );
 213                                 break;
 214                         case 'submit':
 215                                 if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 216                                         # Send a cookie so anons get talk message notifications
 217                                         User::SetupSession();
 218                                 }
 219                                 # Continue...
 220                         case 'edit':
 221                                 $internal = $wgRequest->getVal( 'internaledit' );
 222                                 $external = $wgRequest->getVal( 'externaledit' );
 223                                 $section = $wgRequest->getVal( 'section' );
 224                                 $oldid = $wgRequest->getVal( 'oldid' );
 225                                 if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 226                                    $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 227                                         require_once( 'includes/EditPage.php' );
 228                                         $editor = new EditPage( $wgArticle );
 229                                         $editor->submit();
 230                                 } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 231                                         require_once( 'includes/ExternalEdit.php' );
 232                                         $mode = $wgRequest->getVal( 'mode' );
 233                                         $extedit = new ExternalEdit( $wgArticle, $mode );
 234                                         $extedit->edit();
 235                                 }
 236                                 break;
 237                         case 'history':
 238                                 if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 239                                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 240                                 }
 241                                 require_once( 'includes/PageHistory.php' );
 242                                 $history = new PageHistory( $wgArticle );
 243                                 $history->history();
 244                                 break;
 245                         case 'raw':
 246                                 require_once( 'includes/RawPage.php' );
 247                                 $raw = new RawPage( $wgArticle );
 248                                 $raw->view();
 249                                 break;
 250                         case 'purge':
 251                                 wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 252                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 253                                 $wgTitle->invalidateCache();
 254                                 $wgArticle->view();
 255                                 break;
 256                         default:
 257                                 if (wfRunHooks('UnknownAction', array($action, $wgArticle))) {
 258                                         $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 259                                 }
 260                 }
 261         }
 262 }
 263 wfProfileOut( 'main-action' );
 264
 265 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 266 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 267 # the client will wait until the script exits anyway before following the redirect.
 268 wfProfileIn( 'main-updates' );
 269 foreach ( $wgDeferredUpdateList as $up ) {
 270         $up->doUpdate();
 271 }
 272 wfProfileOut( 'main-updates' );
 273
 274 wfProfileIn( 'main-cleanup' );
 275 $wgLoadBalancer->saveMasterPos();
 276
 277 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 278 $wgLoadBalancer->commitAll();
 279
 280 $wgOut->output();
 281
 282 foreach ( $wgPostCommitUpdateList as $up ) {
 283         $up->doUpdate();
 284 }
 285
 286 wfProfileOut( 'main-cleanup' );
 287
 288 logProfilingData();
 289 $wgLoadBalancer->closeAll();
 290 wfDebug( "Request ended normally\n" );
 291 ?>