includes/WikiMap.php

   1 <?php
   2
   3 /**
   4  * Helper tools for dealing with other locally-hosted wikis
   5  */
   6
   7 class WikiMap {
   8         static function getWiki( $wikiID ) {
   9                 global $wgConf, $IP;
  10
  11                 $wgConf->loadFullData();
  12
  13                 list( $major, $minor ) = $wgConf->siteFromDB( $wikiID );
  14                 if( isset( $major ) ) {
  15                         $server = $wgConf->get( 'wgServer', $wikiID, $major,
  16                                 array( 'lang' => $minor, 'site' => $major ) );
  17                         $path = $wgConf->get( 'wgArticlePath', $wikiID, $major,
  18                                 array( 'lang' => $minor, 'site' => $major ) );
  19                         return new WikiReference( $major, $minor, $server, $path );
  20                 } else {
  21                         return null;
  22                 }
  23         }
  24
  25         // Convenience functions from GlobalBlocking
  26         static function getWikiName( $wiki_id ) {
  27                 // We can give more info than just the wiki id!
  28                 $wiki = WikiMap::getWiki( $wiki_id );
  29
  30                 if ($wiki) {
  31                         return $wiki->getDisplayName();
  32                 }
  33                 return $wiki_id;
  34         }
  35
  36         static function foreignUserLink( $wiki_id, $user ) {
  37                 return self::makeForeignLink( $wiki_id, "User:$user" );
  38         }
  39
  40         static function makeForeignLink( $wiki_id, $page, $text=null ) {
  41                 global $wgUser;
  42                 $sk = $wgUser->getSkin();
  43
  44                 if (!$text)
  45                         $text=$page;
  46
  47                 return $sk->makeExternalLink( self::getForeignURL( $wiki_id, $page ) , $text );
  48         }
  49
  50         static function getForeignURL( $wiki_id, $page ) {
  51                 $wiki = WikiMap::getWiki( $wiki_id );
  52
  53                 if ($wiki)
  54                         return $wiki->getUrl( $page );
  55
  56                 return false;
  57         }
  58 }
  59
  60 class WikiReference {
  61         private $mMinor; ///< 'en', 'meta', 'mediawiki', etc
  62         private $mMajor; ///< 'wiki', 'wiktionary', etc
  63         private $mServer; ///< server override, 'www.mediawiki.org'
  64         private $mPath;   ///< path override, '/wiki/$1'
  65
  66         function __construct( $major, $minor, $server, $path ) {
  67                 $this->mMajor = $major;
  68                 $this->mMinor = $minor;
  69                 $this->mServer = $server;
  70                 $this->mPath = $path;
  71         }
  72
  73         function getHostname() {
  74                 $prefixes = array( 'http://', 'https://' );
  75                 foreach ( $prefixes as $prefix ) {
  76                         if ( substr( $this->mServer, 0, strlen( $prefix ) ) ) {
  77                                 return substr( $this->mServer, strlen( $prefix ) );
  78                         }
  79                 }
  80                 throw new MWException( "Invalid hostname for wiki {$this->mMinor}.{$this->mMajor}" );
  81         }
  82
  83         /**
  84          * pretty it up
  85          */
  86         function getDisplayName() {
  87                 $url = $this->getUrl( '' );
  88                 $url = preg_replace( '!^https?://!', '', $url );
  89                 $url = preg_replace( '!/index\.php(\?title=|/)$!', '/', $url );
  90                 $url = preg_replace( '!/wiki/$!', '/', $url );
  91                 $url = preg_replace( '!/$!', '', $url );
  92                 return $url;
  93         }
  94
  95         private function getLocalUrl( $page ) {
  96                 // FIXME: this may be generalized...
  97                 return str_replace( '$1', wfUrlEncode( str_replace( ' ', '_', $page ) ), $this->mPath );
  98         }
  99
 100         function getUrl( $page ) {
 101                 return
 102                         $this->mServer .
 103                         $this->getLocalUrl( $page );
 104         }
 105 }