includes/SpecialVersion.php

   1 <?php
   2 /**#@+
   3  * Give information about the version of MediaWiki, PHP, server software, the DB and extensions
   4  *
   5  * @package MediaWiki
   6  * @subpackage SpecialPage
   7  *
   8  * @authors Ævar Arnfjörð Bjarmason <avarab@gmail.com>, Rob Church <robchur@gmail.com>
   9  * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason, Rob Church
  10  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  11  */
  12
  13 /**
  14  * constructor
  15  */
  16 function wfSpecialVersion() {
  17         $version = new SpecialVersion;
  18         $version->execute();
  19 }
  20
  21 class SpecialVersion {
  22         /**
  23          * @var object
  24          * @access private
  25          */
  26         var $langObj;
  27
  28         /**
  29          * Constructor
  30          */
  31         function SpecialVersion() {
  32                 # Force to English language
  33                 $this->langObj = setupLangObj( 'LanguageEn' );
  34                 $this->langObj->initEncoding();
  35         }
  36
  37         /**
  38          * main()
  39          */
  40         function execute() {
  41                 global $wgOut;
  42
  43                 $wgOut->addWikiText(
  44                         $this->MediaWikiCredits() .
  45                         $this->extensionCredits() .
  46                         $this->wgHooks()
  47                 );
  48                 $wgOut->addHTML( $this->IPInfo() );
  49         }
  50
  51         /**#@+
  52          * @access private
  53          */
  54
  55         /**
  56          * @static
  57          */
  58         function MediaWikiCredits() {
  59                 global $wgVersion;
  60
  61                 $dbr =& wfGetDB( DB_SLAVE );
  62
  63                 $ret =
  64                 "__NOTOC__
  65                 <div dir='ltr'>
  66                 This wiki is powered by '''[http://www.mediawiki.org/ MediaWiki]''',
  67                 copyright (C) 2001-2005 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
  68                 Tim Starling, Erik Möller, and others.
  69
  70                 MediaWiki is free software; you can redistribute it and/or modify
  71                 it under the terms of the GNU General Public License as published by
  72                 the Free Software Foundation; either version 2 of the License, or
  73                 (at your option) any later version.
  74
  75                 MediaWiki is distributed in the hope that it will be useful,
  76                 but WITHOUT ANY WARRANTY; without even the implied warranty of
  77                 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  78                 GNU General Public License for more details.
  79
  80                 You should have received [{{SERVER}}{{SCRIPTPATH}}/COPYING a copy of the GNU General Public License]
  81                 along with this program; if not, write to the Free Software
  82                 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  83                 or [http://www.gnu.org/copyleft/gpl.html read it online]
  84
  85                 * [http://www.mediawiki.org/ MediaWiki]: $wgVersion
  86                 * [http://www.php.net/ PHP]: " . phpversion() . " (" . php_sapi_name() . ")
  87                 * " . $this->getServerSoftware() . "
  88                 * " . $dbr->getSoftwareLink() . ": " . $dbr->getServerVersion() . "
  89                 </div>";
  90
  91                 return str_replace( "\t\t", '', $ret );
  92         }
  93
  94         function getServerSoftware() {
  95                 # Return tweaked version of $_SERVER['SERVER_SOFTWARE']
  96                 $osver = explode( ' ', $_SERVER['SERVER_SOFTWARE'] );
  97                 return( count( $osver ) > 1 ? $osver[0] . ' ' . $osver[1] : $osver[0] );
  98         }
  99
 100         function extensionCredits() {
 101                 global $wgExtensionCredits, $wgExtensionFunctions, $wgSkinExtensionFunction;
 102
 103                 if ( ! count( $wgExtensionCredits ) && ! count( $wgExtensionFunctions ) && ! count( $wgSkinExtensionFunction ) )
 104                         return '';
 105
 106                 $extensionTypes = array(
 107                         'specialpage' => 'Special pages',
 108                         'parserhook' => 'Parser hooks',
 109                         'variable' => 'Variables',
 110                         'other' => 'Other',
 111                 );
 112                 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
 113
 114                 $out = "\n* Extensions:\n";
 115                 foreach ( $extensionTypes as $type => $text ) {
 116                         if ( count( @$wgExtensionCredits[$type] ) ) {
 117                                 $out .= "** $text:\n";
 118
 119                                 usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
 120
 121                                 foreach ( $wgExtensionCredits[$type] as $extension ) {
 122                                         wfSuppressWarnings();
 123                                         $out .= $this->formatCredits(
 124                                                 $extension['name'],
 125                                                 $extension['version'],
 126                                                 $extension['author'],
 127                                                 $extension['url'],
 128                                                 $extension['description']
 129                                         );
 130                                         wfRestoreWarnings();
 131                                 }
 132                         }
 133                 }
 134
 135                 if ( count( $wgExtensionFunctions ) ) {
 136                         $out .= "** Extension functions:\n";
 137                         $out .= '***' . $this->langObj->listToText( $wgExtensionFunctions ) . "\n";
 138                 }
 139
 140                 if ( count( $wgSkinExtensionFunction ) ) {
 141                         $out .= "** Skin extension functions:\n";
 142                         $out .= '***' . $this->langObj->listToText( $wgSkinExtensionFunction ) . "\n";
 143                 }
 144
 145                 return $out;
 146         }
 147
 148         function compare( $a, $b ) {
 149                 if ( $a['name'] === $b['name'] )
 150                         return 0;
 151                 else
 152                         return $this->langObj->lc( $a['name'] ) > $this->langObj->lc( $b['name'] ) ? 1 : -1;
 153         }
 154
 155         function formatCredits( $name, $version = null, $author = null, $url = null, $description = null) {
 156                 $ret = '*** ';
 157                 if ( isset( $url ) )
 158                         $ret .= "[$url ";
 159                 $ret .= "''$name";
 160                 if ( isset( $version ) )
 161                         $ret .= " (version $version)";
 162                 $ret .= "''";
 163                 if ( isset( $url ) )
 164                         $ret .= ']';
 165                 if ( isset( $description ) )
 166                         $ret .= ', ' . $description;
 167                 if ( isset( $description ) && isset( $author ) )
 168                         $ret .= ', ';
 169                 if ( isset( $author ) )
 170                         $ret .= ' by ' . $this->langObj->listToText( (array)$author );
 171
 172                 return "$ret\n";
 173         }
 174
 175         function wgHooks() {
 176                 global $wgHooks;
 177
 178                 $myWgHooks = $wgHooks;
 179                 ksort( $myWgHooks );
 180
 181                 $ret = "* Hooks:\n";
 182                 foreach ($myWgHooks as $hook => $hooks)
 183                         $ret .= "** $hook:" . $this->langObj->listToText( $hooks ) . "\n";
 184
 185                 return $ret;
 186         }
 187
 188         /**
 189          * @static
 190          */
 191         function IPInfo() {
 192                 $ip =  str_replace( '--', ' - ', htmlspecialchars( wfGetIP() ) );
 193                 return "<!-- visited from $ip -->\n";
 194         }
 195
 196         /**#@-*/
 197 }
 198
 199 /**#@-*/
 200 ?>