includes/specials/SpecialVersion.php

   1 <?php
   2 /**
   3  * Implements Special:Version
   4  *
   5  * Copyright © 2005 Ævar Arnfjörð Bjarmason
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  */
  25
  26 /**
  27  * Give information about the version of MediaWiki, PHP, the DB and extensions
  28  *
  29  * @ingroup SpecialPage
  30  */
  31 class SpecialVersion extends SpecialPage {
  32         protected $firstExtOpened = false;
  33
  34         /**
  35          * Stores the current rev id/SHA hash of MediaWiki core
  36          */
  37         protected $coreId = '';
  38
  39         protected static $extensionTypes = false;
  40
  41         protected static $viewvcUrls = array(
  42                 'svn+ssh://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
  43                 'http://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
  44                 'https://svn.wikimedia.org/svnroot/mediawiki' => 'https://svn.wikimedia.org/viewvc/mediawiki',
  45         );
  46
  47         public function __construct() {
  48                 parent::__construct( 'Version' );
  49         }
  50
  51         /**
  52          * main()
  53          * @param string|null $par
  54          */
  55         public function execute( $par ) {
  56                 global $IP, $wgExtensionCredits;
  57
  58                 $this->setHeaders();
  59                 $this->outputHeader();
  60                 $out = $this->getOutput();
  61                 $out->allowClickjacking();
  62
  63                 // Explode the sub page information into useful bits
  64                 $parts = explode( '/', (string)$par );
  65                 $extNode = null;
  66                 if ( isset( $parts[1] ) ) {
  67                         $extName = str_replace( '_', ' ', $parts[1] );
  68                         // Find it!
  69                         foreach ( $wgExtensionCredits as $group => $extensions ) {
  70                                 foreach ( $extensions as $ext ) {
  71                                         if ( isset( $ext['name'] ) && ( $ext['name'] === $extName ) ) {
  72                                                 $extNode = &$ext;
  73                                                 break 2;
  74                                         }
  75                                 }
  76                         }
  77                         if ( !$extNode ) {
  78                                 $out->setStatusCode( 404 );
  79                         }
  80                 } else {
  81                         $extName = 'MediaWiki';
  82                 }
  83
  84                 // Now figure out what to do
  85                 switch ( strtolower( $parts[0] ) ) {
  86                         case 'credits':
  87                                 $wikiText = '{{int:version-credits-not-found}}';
  88                                 if ( $extName === 'MediaWiki' ) {
  89                                         $wikiText = file_get_contents( $IP . '/CREDITS' );
  90                                 } elseif ( ( $extNode !== null ) && isset( $extNode['path'] ) ) {
  91                                         $file = $this->getExtAuthorsFileName( dirname( $extNode['path'] ) );
  92                                         if ( $file ) {
  93                                                 $wikiText = file_get_contents( $file );
  94                                                 if ( substr( $file, -4 ) === '.txt' ) {
  95                                                         $wikiText = Html::element( 'pre', array(), $wikiText );
  96                                                 }
  97                                         }
  98                                 }
  99
 100                                 $out->setPageTitle( $this->msg( 'version-credits-title', $extName ) );
 101                                 $out->addWikiText( $wikiText );
 102                                 break;
 103
 104                         case 'license':
 105                                 $wikiText = '{{int:version-license-not-found}}';
 106                                 if ( $extName === 'MediaWiki' ) {
 107                                         $wikiText = file_get_contents( $IP . '/COPYING' );
 108                                 } elseif ( ( $extNode !== null ) && isset( $extNode['path'] ) ) {
 109                                         $file = $this->getExtLicenseFileName( dirname( $extNode['path'] ) );
 110                                         if ( $file ) {
 111                                                 $wikiText = file_get_contents( $file );
 112                                                 $wikiText = "<pre>$wikiText</pre>";
 113                                         }
 114                                 }
 115
 116                                 $out->setPageTitle( $this->msg( 'version-license-title', $extName ) );
 117                                 $out->addWikiText( $wikiText );
 118                                 break;
 119
 120                         default:
 121                                 $out->addModules( 'mediawiki.special.version' );
 122                                 $out->addWikiText(
 123                                         $this->getMediaWikiCredits() .
 124                                         $this->softwareInformation() .
 125                                         $this->getEntryPointInfo()
 126                                 );
 127                                 $out->addHtml(
 128                                         $this->getSkinCredits() .
 129                                         $this->getExtensionCredits() .
 130                                         $this->getExternalLibraries() .
 131                                         $this->getParserTags() .
 132                                         $this->getParserFunctionHooks()
 133                                 );
 134                                 $out->addWikiText( $this->getWgHooks() );
 135                                 $out->addHTML( $this->IPInfo() );
 136
 137                                 break;
 138                 }
 139         }
 140
 141         /**
 142          * Returns wiki text showing the license information.
 143          *
 144          * @return string
 145          */
 146         private static function getMediaWikiCredits() {
 147                 $ret = Xml::element(
 148                         'h2',
 149                         array( 'id' => 'mw-version-license' ),
 150                         wfMessage( 'version-license' )->text()
 151                 );
 152
 153                 // This text is always left-to-right.
 154                 $ret .= '<div class="plainlinks">';
 155                 $ret .= "__NOTOC__
 156                 " . self::getCopyrightAndAuthorList() . "\n
 157                 " . wfMessage( 'version-license-info' )->text();
 158                 $ret .= '</div>';
 159
 160                 return str_replace( "\t\t", '', $ret ) . "\n";
 161         }
 162
 163         /**
 164          * Get the "MediaWiki is copyright 2001-20xx by lots of cool guys" text
 165          *
 166          * @return string
 167          */
 168         public static function getCopyrightAndAuthorList() {
 169                 global $wgLang;
 170
 171                 if ( defined( 'MEDIAWIKI_INSTALL' ) ) {
 172                         $othersLink = '[//www.mediawiki.org/wiki/Special:Version/Credits ' .
 173                                 wfMessage( 'version-poweredby-others' )->text() . ']';
 174                 } else {
 175                         $othersLink = '[[Special:Version/Credits|' .
 176                                 wfMessage( 'version-poweredby-others' )->text() . ']]';
 177                 }
 178
 179                 $translatorsLink = '[//translatewiki.net/wiki/Translating:MediaWiki/Credits ' .
 180                         wfMessage( 'version-poweredby-translators' )->text() . ']';
 181
 182                 $authorList = array(
 183                         'Magnus Manske', 'Brion Vibber', 'Lee Daniel Crocker',
 184                         'Tim Starling', 'Erik Möller', 'Gabriel Wicke', 'Ævar Arnfjörð Bjarmason',
 185                         'Niklas Laxström', 'Domas Mituzas', 'Rob Church', 'Yuri Astrakhan',
 186                         'Aryeh Gregor', 'Aaron Schulz', 'Andrew Garrett', 'Raimond Spekking',
 187                         'Alexandre Emsenhuber', 'Siebrand Mazeland', 'Chad Horohoe',
 188                         'Roan Kattouw', 'Trevor Parscal', 'Bryan Tong Minh', 'Sam Reed',
 189                         'Victor Vasiliev', 'Rotem Liss', 'Platonides', 'Antoine Musso',
 190                         'Timo Tijhof', 'Daniel Kinzler', 'Jeroen De Dauw', 'Brad Jorsch',
 191                         $othersLink, $translatorsLink
 192                 );
 193
 194                 return wfMessage( 'version-poweredby-credits', MWTimestamp::getLocalInstance()->format( 'Y' ),
 195                         $wgLang->listToText( $authorList ) )->text();
 196         }
 197
 198         /**
 199          * Returns wiki text showing the third party software versions (apache, php, mysql).
 200          *
 201          * @return string
 202          */
 203         public static function softwareInformation() {
 204                 $dbr = wfGetDB( DB_SLAVE );
 205
 206                 // Put the software in an array of form 'name' => 'version'. All messages should
 207                 // be loaded here, so feel free to use wfMessage in the 'name'. Raw HTML or
 208                 // wikimarkup can be used.
 209                 $software = array();
 210                 $software['[https://www.mediawiki.org/ MediaWiki]'] = self::getVersionLinked();
 211                 if ( wfIsHHVM() ) {
 212                         $software['[http://hhvm.com/ HHVM]'] = HHVM_VERSION . " (" . PHP_SAPI . ")";
 213                 } else {
 214                         $software['[https://php.net/ PHP]'] = PHP_VERSION . " (" . PHP_SAPI . ")";
 215                 }
 216                 $software[$dbr->getSoftwareLink()] = $dbr->getServerInfo();
 217
 218                 // Allow a hook to add/remove items.
 219                 Hooks::run( 'SoftwareInfo', array( &$software ) );
 220
 221                 $out = Xml::element(
 222                                 'h2',
 223                                 array( 'id' => 'mw-version-software' ),
 224                                 wfMessage( 'version-software' )->text()
 225                         ) .
 226                                 Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-software' ) ) .
 227                                 "<tr>
 228                                         <th>" . wfMessage( 'version-software-product' )->text() . "</th>
 229                                         <th>" . wfMessage( 'version-software-version' )->text() . "</th>
 230                                 </tr>\n";
 231
 232                 foreach ( $software as $name => $version ) {
 233                         $out .= "<tr>
 234                                         <td>" . $name . "</td>
 235                                         <td dir=\"ltr\">" . $version . "</td>
 236                                 </tr>\n";
 237                 }
 238
 239                 return $out . Xml::closeElement( 'table' );
 240         }
 241
 242         /**
 243          * Return a string of the MediaWiki version with SVN revision if available.
 244          *
 245          * @param string $flags
 246          * @return mixed
 247          */
 248         public static function getVersion( $flags = '' ) {
 249                 global $wgVersion, $IP;
 250
 251                 $gitInfo = self::getGitHeadSha1( $IP );
 252                 $svnInfo = self::getSvnInfo( $IP );
 253                 if ( !$svnInfo && !$gitInfo ) {
 254                         $version = $wgVersion;
 255                 } elseif ( $gitInfo && $flags === 'nodb' ) {
 256                         $shortSha1 = substr( $gitInfo, 0, 7 );
 257                         $version = "$wgVersion ($shortSha1)";
 258                 } elseif ( $gitInfo ) {
 259                         $shortSha1 = substr( $gitInfo, 0, 7 );
 260                         $shortSha1 = wfMessage( 'parentheses' )->params( $shortSha1 )->escaped();
 261                         $version = "$wgVersion $shortSha1";
 262                 } elseif ( $flags === 'nodb' ) {
 263                         $version = "$wgVersion (r{$svnInfo['checkout-rev']})";
 264                 } else {
 265                         $version = $wgVersion . ' ' .
 266                                 wfMessage(
 267                                         'version-svn-revision',
 268                                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 269                                         $info['checkout-rev']
 270                                 )->text();
 271                 }
 272
 273                 return $version;
 274         }
 275
 276         /**
 277          * Return a wikitext-formatted string of the MediaWiki version with a link to
 278          * the SVN revision or the git SHA1 of head if available.
 279          * Git is prefered over Svn
 280          * The fallback is just $wgVersion
 281          *
 282          * @return mixed
 283          */
 284         public static function getVersionLinked() {
 285                 global $wgVersion;
 286
 287                 $gitVersion = self::getVersionLinkedGit();
 288                 if ( $gitVersion ) {
 289                         $v = $gitVersion;
 290                 } else {
 291                         $svnVersion = self::getVersionLinkedSvn();
 292                         if ( $svnVersion ) {
 293                                 $v = $svnVersion;
 294                         } else {
 295                                 $v = $wgVersion; // fallback
 296                         }
 297                 }
 298
 299                 return $v;
 300         }
 301
 302         /**
 303          * @return string Global wgVersion + a link to subversion revision of svn BASE
 304          */
 305         private static function getVersionLinkedSvn() {
 306                 global $IP;
 307
 308                 $info = self::getSvnInfo( $IP );
 309                 if ( !isset( $info['checkout-rev'] ) ) {
 310                         return false;
 311                 }
 312
 313                 $linkText = wfMessage(
 314                         'version-svn-revision',
 315                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 316                         $info['checkout-rev']
 317                 )->text();
 318
 319                 if ( isset( $info['viewvc-url'] ) ) {
 320                         $version = "[{$info['viewvc-url']} $linkText]";
 321                 } else {
 322                         $version = $linkText;
 323                 }
 324
 325                 return self::getwgVersionLinked() . " $version";
 326         }
 327
 328         /**
 329          * @return string
 330          */
 331         private static function getwgVersionLinked() {
 332                 global $wgVersion;
 333                 $versionUrl = "";
 334                 if ( Hooks::run( 'SpecialVersionVersionUrl', array( $wgVersion, &$versionUrl ) ) ) {
 335                         $versionParts = array();
 336                         preg_match( "/^(\d+\.\d+)/", $wgVersion, $versionParts );
 337                         $versionUrl = "https://www.mediawiki.org/wiki/MediaWiki_{$versionParts[1]}";
 338                 }
 339
 340                 return "[$versionUrl $wgVersion]";
 341         }
 342
 343         /**
 344          * @since 1.22 Returns the HEAD date in addition to the sha1 and link
 345          * @return bool|string Global wgVersion + HEAD sha1 stripped to the first 7 chars
 346          *   with link and date, or false on failure
 347          */
 348         private static function getVersionLinkedGit() {
 349                 global $IP, $wgLang;
 350
 351                 $gitInfo = new GitInfo( $IP );
 352                 $headSHA1 = $gitInfo->getHeadSHA1();
 353                 if ( !$headSHA1 ) {
 354                         return false;
 355                 }
 356
 357                 $shortSHA1 = '(' . substr( $headSHA1, 0, 7 ) . ')';
 358
 359                 $gitHeadUrl = $gitInfo->getHeadViewUrl();
 360                 if ( $gitHeadUrl !== false ) {
 361                         $shortSHA1 = "[$gitHeadUrl $shortSHA1]";
 362                 }
 363
 364                 $gitHeadCommitDate = $gitInfo->getHeadCommitDate();
 365                 if ( $gitHeadCommitDate ) {
 366                         $shortSHA1 .= Html::element( 'br' ) . $wgLang->timeanddate( $gitHeadCommitDate, true );
 367                 }
 368
 369                 return self::getwgVersionLinked() . " $shortSHA1";
 370         }
 371
 372         /**
 373          * Returns an array with the base extension types.
 374          * Type is stored as array key, the message as array value.
 375          *
 376          * TODO: ideally this would return all extension types.
 377          *
 378          * @since 1.17
 379          *
 380          * @return array
 381          */
 382         public static function getExtensionTypes() {
 383                 if ( self::$extensionTypes === false ) {
 384                         self::$extensionTypes = array(
 385                                 'specialpage' => wfMessage( 'version-specialpages' )->text(),
 386                                 'parserhook' => wfMessage( 'version-parserhooks' )->text(),
 387                                 'variable' => wfMessage( 'version-variables' )->text(),
 388                                 'media' => wfMessage( 'version-mediahandlers' )->text(),
 389                                 'antispam' => wfMessage( 'version-antispam' )->text(),
 390                                 'skin' => wfMessage( 'version-skins' )->text(),
 391                                 'api' => wfMessage( 'version-api' )->text(),
 392                                 'other' => wfMessage( 'version-other' )->text(),
 393                         );
 394
 395                         Hooks::run( 'ExtensionTypes', array( &self::$extensionTypes ) );
 396                 }
 397
 398                 return self::$extensionTypes;
 399         }
 400
 401         /**
 402          * Returns the internationalized name for an extension type.
 403          *
 404          * @since 1.17
 405          *
 406          * @param string $type
 407          *
 408          * @return string
 409          */
 410         public static function getExtensionTypeName( $type ) {
 411                 $types = self::getExtensionTypes();
 412
 413                 return isset( $types[$type] ) ? $types[$type] : $types['other'];
 414         }
 415
 416         /**
 417          * Generate wikitext showing the name, URL, author and description of each extension.
 418          *
 419          * @return string Wikitext
 420          */
 421         public function getExtensionCredits() {
 422                 global $wgExtensionCredits;
 423
 424                 if (
 425                         count( $wgExtensionCredits ) === 0 ||
 426                         // Skins are displayed separately, see getSkinCredits()
 427                         ( count( $wgExtensionCredits ) === 1 && isset( $wgExtensionCredits['skin'] ) )
 428                 ) {
 429                         return '';
 430                 }
 431
 432                 $extensionTypes = self::getExtensionTypes();
 433
 434                 $out = Xml::element(
 435                                 'h2',
 436                                 array( 'id' => 'mw-version-ext' ),
 437                                 $this->msg( 'version-extensions' )->text()
 438                         ) .
 439                         Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-ext' ) );
 440
 441                 // Make sure the 'other' type is set to an array.
 442                 if ( !array_key_exists( 'other', $wgExtensionCredits ) ) {
 443                         $wgExtensionCredits['other'] = array();
 444                 }
 445
 446                 // Find all extensions that do not have a valid type and give them the type 'other'.
 447                 foreach ( $wgExtensionCredits as $type => $extensions ) {
 448                         if ( !array_key_exists( $type, $extensionTypes ) ) {
 449                                 $wgExtensionCredits['other'] = array_merge( $wgExtensionCredits['other'], $extensions );
 450                         }
 451                 }
 452
 453                 $this->firstExtOpened = false;
 454                 // Loop through the extension categories to display their extensions in the list.
 455                 foreach ( $extensionTypes as $type => $message ) {
 456                         // Skins have a separate section
 457                         if ( $type !== 'other' && $type !== 'skin' ) {
 458                                 $out .= $this->getExtensionCategory( $type, $message );
 459                         }
 460                 }
 461
 462                 // We want the 'other' type to be last in the list.
 463                 $out .= $this->getExtensionCategory( 'other', $extensionTypes['other'] );
 464
 465                 $out .= Xml::closeElement( 'table' );
 466
 467                 return $out;
 468         }
 469
 470         /**
 471          * Generate wikitext showing the name, URL, author and description of each skin.
 472          *
 473          * @return string Wikitext
 474          */
 475         public function getSkinCredits() {
 476                 global $wgExtensionCredits;
 477                 if ( !isset( $wgExtensionCredits['skin'] ) || count( $wgExtensionCredits['skin'] ) === 0 ) {
 478                         return '';
 479                 }
 480
 481                 $out = Xml::element(
 482                                 'h2',
 483                                 array( 'id' => 'mw-version-skin' ),
 484                                 $this->msg( 'version-skins' )->text()
 485                         ) .
 486                         Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-skin' ) );
 487
 488                 $this->firstExtOpened = false;
 489                 $out .= $this->getExtensionCategory( 'skin', null );
 490
 491                 $out .= Xml::closeElement( 'table' );
 492
 493                 return $out;
 494         }
 495
 496         /**
 497          * Generate an HTML table for external libraries that are installed
 498          *
 499          * @return string
 500          */
 501         protected function getExternalLibraries() {
 502                 global $IP;
 503                 $path = "$IP/composer.lock";
 504                 if ( !file_exists( $path ) ) {
 505                         // Maybe they're using mediawiki/vendor?
 506                         $path = "$IP/vendor/composer.lock";
 507                         if ( !file_exists( $path ) ) {
 508                                 return '';
 509                         }
 510                 }
 511
 512                 $lock = new ComposerLock( $path );
 513                 $out = Html::element(
 514                         'h2',
 515                         array( 'id' => 'mw-version-libraries' ),
 516                         $this->msg( 'version-libraries' )->text()
 517                 );
 518                 $out .= Html::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-libraries' ) );
 519                 $out .= Html::openElement( 'tr' )
 520                         . Html::element( 'th', array(), $this->msg( 'version-libraries-library' )->text() )
 521                         . Html::element( 'th', array(), $this->msg( 'version-libraries-version' )->text() )
 522                         . Html::closeElement( 'tr' );
 523
 524                 foreach ( $lock->getInstalledDependencies() as $name => $info ) {
 525                         if ( strpos( $info['type'], 'mediawiki-' ) === 0 ) {
 526                                 // Skip any extensions or skins since they'll be listed
 527                                 // in their proper section
 528                                 continue;
 529                         }
 530                         $out .= Html::openElement( 'tr' )
 531                                 . Html::rawElement( 'td', array(), Linker::makeExternalLink( "https://packagist.org/packages/$name", $name ) )
 532                                 . Html::element( 'td', array(), $info['version'] )
 533                                 . Html::closeElement( 'tr' );
 534                 }
 535                 $out .= Html::closeElement( 'table' );
 536
 537                 return $out;
 538         }
 539
 540         /**
 541          * Obtains a list of installed parser tags and the associated H2 header
 542          *
 543          * @return string HTML output
 544          */
 545         protected function getParserTags() {
 546                 global $wgParser;
 547
 548                 $tags = $wgParser->getTags();
 549
 550                 if ( count( $tags ) ) {
 551                         $out = Html::rawElement(
 552                                 'h2',
 553                                 array( 'class' => 'mw-headline plainlinks' ),
 554                                 Linker::makeExternalLink(
 555                                         '//www.mediawiki.org/wiki/Special:MyLanguage/Manual:Tag_extensions',
 556                                         $this->msg( 'version-parser-extensiontags' )->parse(),
 557                                         false /* msg()->parse() already escapes */
 558                                 )
 559                         );
 560
 561                         array_walk( $tags, function ( &$value ) {
 562                                 // Bidirectional isolation improves readability in RTL wikis
 563                                 $value = Html::element(
 564                                         'bdi',
 565                                         // Prevent < and > from slipping to another line
 566                                         array(
 567                                                 'style' => 'white-space: nowrap;',
 568                                         ),
 569                                         "<$value>"
 570                                 );
 571                         } );
 572
 573                         $out .= $this->listToText( $tags );
 574                 } else {
 575                         $out = '';
 576                 }
 577
 578                 return $out;
 579         }
 580
 581         /**
 582          * Obtains a list of installed parser function hooks and the associated H2 header
 583          *
 584          * @return string HTML output
 585          */
 586         protected function getParserFunctionHooks() {
 587                 global $wgParser;
 588
 589                 $fhooks = $wgParser->getFunctionHooks();
 590                 if ( count( $fhooks ) ) {
 591                         $out = Html::rawElement( 'h2', array( 'class' => 'mw-headline plainlinks' ), Linker::makeExternalLink(
 592                                 '//www.mediawiki.org/wiki/Special:MyLanguage/Manual:Parser_functions',
 593                                 $this->msg( 'version-parser-function-hooks' )->parse(),
 594                                 false /* msg()->parse() already escapes */
 595                         ) );
 596
 597                         $out .= $this->listToText( $fhooks );
 598                 } else {
 599                         $out = '';
 600                 }
 601
 602                 return $out;
 603         }
 604
 605         /**
 606          * Creates and returns the HTML for a single extension category.
 607          *
 608          * @since 1.17
 609          *
 610          * @param string $type
 611          * @param string $message
 612          *
 613          * @return string
 614          */
 615         protected function getExtensionCategory( $type, $message ) {
 616                 global $wgExtensionCredits;
 617
 618                 $out = '';
 619
 620                 if ( array_key_exists( $type, $wgExtensionCredits ) && count( $wgExtensionCredits[$type] ) > 0 ) {
 621                         $out .= $this->openExtType( $message, 'credits-' . $type );
 622
 623                         usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
 624
 625                         foreach ( $wgExtensionCredits[$type] as $extension ) {
 626                                 $out .= $this->getCreditsForExtension( $extension );
 627                         }
 628                 }
 629
 630                 return $out;
 631         }
 632
 633         /**
 634          * Callback to sort extensions by type.
 635          * @param array $a
 636          * @param array $b
 637          * @return int
 638          */
 639         public function compare( $a, $b ) {
 640                 if ( $a['name'] === $b['name'] ) {
 641                         return 0;
 642                 } else {
 643                         return $this->getLanguage()->lc( $a['name'] ) > $this->getLanguage()->lc( $b['name'] )
 644                                 ? 1
 645                                 : -1;
 646                 }
 647         }
 648
 649         /**
 650          * Creates and formats a version line for a single extension.
 651          *
 652          * Information for five columns will be created. Parameters required in the
 653          * $extension array for part rendering are indicated in ()
 654          *  - The name of (name), and URL link to (url), the extension
 655          *  - Official version number (version) and if available version control system
 656          *    revision (path), link, and date
 657          *  - If available the short name of the license (license-name) and a linke
 658          *    to ((LICENSE)|(COPYING))(\.txt)? if it exists.
 659          *  - Description of extension (descriptionmsg or description)
 660          *  - List of authors (author) and link to a ((AUTHORS)|(CREDITS))(\.txt)? file if it exists
 661          *
 662          * @param array $extension
 663          *
 664          * @return string Raw HTML
 665          */
 666         public function getCreditsForExtension( array $extension ) {
 667                 $out = $this->getOutput();
 668
 669                 // We must obtain the information for all the bits and pieces!
 670                 // ... such as extension names and links
 671                 if ( isset( $extension['namemsg'] ) ) {
 672                         // Localized name of extension
 673                         $extensionName = $this->msg( $extension['namemsg'] )->text();
 674                 } elseif ( isset( $extension['name'] ) ) {
 675                         // Non localized version
 676                         $extensionName = $extension['name'];
 677                 } else {
 678                         $extensionName = $this->msg( 'version-no-ext-name' )->text();
 679                 }
 680
 681                 if ( isset( $extension['url'] ) ) {
 682                         $extensionNameLink = Linker::makeExternalLink(
 683                                 $extension['url'],
 684                                 $extensionName,
 685                                 true,
 686                                 '',
 687                                 array( 'class' => 'mw-version-ext-name' )
 688                         );
 689                 } else {
 690                         $extensionNameLink = $extensionName;
 691                 }
 692
 693                 // ... and the version information
 694                 // If the extension path is set we will check that directory for GIT and SVN
 695                 // metadata in an attempt to extract date and vcs commit metadata.
 696                 $canonicalVersion = '&ndash;';
 697                 $extensionPath = null;
 698                 $vcsVersion = null;
 699                 $vcsLink = null;
 700                 $vcsDate = null;
 701
 702                 if ( isset( $extension['version'] ) ) {
 703                         $canonicalVersion = $out->parseInline( $extension['version'] );
 704                 }
 705
 706                 if ( isset( $extension['path'] ) ) {
 707                         global $IP;
 708                         $extensionPath = dirname( $extension['path'] );
 709                         if ( $this->coreId == '' ) {
 710                                 wfDebug( 'Looking up core head id' );
 711                                 $coreHeadSHA1 = self::getGitHeadSha1( $IP );
 712                                 if ( $coreHeadSHA1 ) {
 713                                         $this->coreId = $coreHeadSHA1;
 714                                 } else {
 715                                         $svnInfo = self::getSvnInfo( $IP );
 716                                         if ( $svnInfo !== false ) {
 717                                                 $this->coreId = $svnInfo['checkout-rev'];
 718                                         }
 719                                 }
 720                         }
 721                         $cache = wfGetCache( CACHE_ANYTHING );
 722                         $memcKey = wfMemcKey( 'specialversion-ext-version-text', $extension['path'], $this->coreId );
 723                         list( $vcsVersion, $vcsLink, $vcsDate ) = $cache->get( $memcKey );
 724
 725                         if ( !$vcsVersion ) {
 726                                 wfDebug( "Getting VCS info for extension {$extension['name']}" );
 727                                 $gitInfo = new GitInfo( $extensionPath );
 728                                 $vcsVersion = $gitInfo->getHeadSHA1();
 729                                 if ( $vcsVersion !== false ) {
 730                                         $vcsVersion = substr( $vcsVersion, 0, 7 );
 731                                         $vcsLink = $gitInfo->getHeadViewUrl();
 732                                         $vcsDate = $gitInfo->getHeadCommitDate();
 733                                 } else {
 734                                         $svnInfo = self::getSvnInfo( $extensionPath );
 735                                         if ( $svnInfo !== false ) {
 736                                                 $vcsVersion = $this->msg( 'version-svn-revision', $svnInfo['checkout-rev'] )->text();
 737                                                 $vcsLink = isset( $svnInfo['viewvc-url'] ) ? $svnInfo['viewvc-url'] : '';
 738                                         }
 739                                 }
 740                                 $cache->set( $memcKey, array( $vcsVersion, $vcsLink, $vcsDate ), 60 * 60 * 24 );
 741                         } else {
 742                                 wfDebug( "Pulled VCS info for extension {$extension['name']} from cache" );
 743                         }
 744                 }
 745
 746                 $versionString = Html::rawElement(
 747                         'span',
 748                         array( 'class' => 'mw-version-ext-version' ),
 749                         $canonicalVersion
 750                 );
 751
 752                 if ( $vcsVersion ) {
 753                         if ( $vcsLink ) {
 754                                 $vcsVerString = Linker::makeExternalLink(
 755                                         $vcsLink,
 756                                         $this->msg( 'version-version', $vcsVersion ),
 757                                         true,
 758                                         '',
 759                                         array( 'class' => 'mw-version-ext-vcs-version' )
 760                                 );
 761                         } else {
 762                                 $vcsVerString = Html::element( 'span',
 763                                         array( 'class' => 'mw-version-ext-vcs-version' ),
 764                                         "({$vcsVersion})"
 765                                 );
 766                         }
 767                         $versionString .= " {$vcsVerString}";
 768
 769                         if ( $vcsDate ) {
 770                                 $vcsTimeString = Html::element( 'span',
 771                                         array( 'class' => 'mw-version-ext-vcs-timestamp' ),
 772                                         $this->getLanguage()->timeanddate( $vcsDate, true )
 773                                 );
 774                                 $versionString .= " {$vcsTimeString}";
 775                         }
 776                         $versionString = Html::rawElement( 'span',
 777                                 array( 'class' => 'mw-version-ext-meta-version' ),
 778                                 $versionString
 779                         );
 780                 }
 781
 782                 // ... and license information; if a license file exists we
 783                 // will link to it
 784                 $licenseLink = '';
 785                 if ( isset( $extension['name'] ) ) {
 786                         $licenseName = null;
 787                         if ( isset( $extension['license-name'] ) ) {
 788                                 $licenseName = $out->parseInline( $extension['license-name'] );
 789                         } elseif ( $this->getExtLicenseFileName( $extensionPath ) ) {
 790                                 $licenseName = $this->msg( 'version-ext-license' );
 791                         }
 792                         if ( $licenseName !== null ) {
 793                                 $licenseLink = Linker::link(
 794                                         $this->getPageTitle( 'License/' . $extension['name'] ),
 795                                         $licenseName,
 796                                         array(
 797                                                 'class' => 'mw-version-ext-license',
 798                                                 'dir' => 'auto',
 799                                         )
 800                                 );
 801                         }
 802                 }
 803
 804                 // ... and generate the description; which can be a parameterized l10n message
 805                 // in the form array( <msgname>, <parameter>, <parameter>... ) or just a straight
 806                 // up string
 807                 if ( isset( $extension['descriptionmsg'] ) ) {
 808                         // Localized description of extension
 809                         $descriptionMsg = $extension['descriptionmsg'];
 810
 811                         if ( is_array( $descriptionMsg ) ) {
 812                                 $descriptionMsgKey = $descriptionMsg[0]; // Get the message key
 813                                 array_shift( $descriptionMsg ); // Shift out the message key to get the parameters only
 814                                 array_map( "htmlspecialchars", $descriptionMsg ); // For sanity
 815                                 $description = $this->msg( $descriptionMsgKey, $descriptionMsg )->text();
 816                         } else {
 817                                 $description = $this->msg( $descriptionMsg )->text();
 818                         }
 819                 } elseif ( isset( $extension['description'] ) ) {
 820                         // Non localized version
 821                         $description = $extension['description'];
 822                 } else {
 823                         $description = '';
 824                 }
 825                 $description = $out->parseInline( $description );
 826
 827                 // ... now get the authors for this extension
 828                 $authors = isset( $extension['author'] ) ? $extension['author'] : array();
 829                 $authors = $this->listAuthors( $authors, $extension['name'], $extensionPath );
 830
 831                 // Finally! Create the table
 832                 $html = Html::openElement( 'tr', array(
 833                                 'class' => 'mw-version-ext',
 834                                 'id' => "mw-version-ext-{$extension['name']}"
 835                         )
 836                 );
 837
 838                 $html .= Html::rawElement( 'td', array(), $extensionNameLink );
 839                 $html .= Html::rawElement( 'td', array(), $versionString );
 840                 $html .= Html::rawElement( 'td', array(), $licenseLink );
 841                 $html .= Html::rawElement( 'td', array( 'class' => 'mw-version-ext-description' ), $description );
 842                 $html .= Html::rawElement( 'td', array( 'class' => 'mw-version-ext-authors' ), $authors );
 843
 844                 $html .= Html::closeElement( 'tr' );
 845
 846                 return $html;
 847         }
 848
 849         /**
 850          * Generate wikitext showing hooks in $wgHooks.
 851          *
 852          * @return string Wikitext
 853          */
 854         private function getWgHooks() {
 855                 global $wgSpecialVersionShowHooks, $wgHooks;
 856
 857                 if ( $wgSpecialVersionShowHooks && count( $wgHooks ) ) {
 858                         $myWgHooks = $wgHooks;
 859                         ksort( $myWgHooks );
 860
 861                         $ret = array();
 862                         $ret[] = '== {{int:version-hooks}} ==';
 863                         $ret[] = Html::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-hooks' ) );
 864                         $ret[] = Html::openElement( 'tr' );
 865                         $ret[] = Html::element( 'th', array(), $this->msg( 'version-hook-name' )->text() );
 866                         $ret[] = Html::element( 'th', array(), $this->msg( 'version-hook-subscribedby' )->text() );
 867                         $ret[] = Html::closeElement( 'tr' );
 868
 869                         foreach ( $myWgHooks as $hook => $hooks ) {
 870                                 $ret[] = Html::openElement( 'tr' );
 871                                 $ret[] = Html::element( 'td', array(), $hook );
 872                                 $ret[] = Html::element( 'td', array(), $this->listToText( $hooks ) );
 873                                 $ret[] = Html::closeElement( 'tr' );
 874                         }
 875
 876                         $ret[] = Html::closeElement( 'table' );
 877
 878                         return implode( "\n", $ret );
 879                 } else {
 880                         return '';
 881                 }
 882         }
 883
 884         private function openExtType( $text = null, $name = null ) {
 885                 $out = '';
 886
 887                 $opt = array( 'colspan' => 5 );
 888                 if ( $this->firstExtOpened ) {
 889                         // Insert a spacing line
 890                         $out .= Html::rawElement( 'tr', array( 'class' => 'sv-space' ),
 891                                 Html::element( 'td', $opt )
 892                         );
 893                 }
 894                 $this->firstExtOpened = true;
 895
 896                 if ( $name ) {
 897                         $opt['id'] = "sv-$name";
 898                 }
 899
 900                 if ( $text !== null ) {
 901                         $out .= Html::rawElement( 'tr', array(),
 902                                 Html::element( 'th', $opt, $text )
 903                         );
 904                 }
 905
 906                 $firstHeadingMsg = ( $name === 'credits-skin' )
 907                         ? 'version-skin-colheader-name'
 908                         : 'version-ext-colheader-name';
 909                 $out .= Html::openElement( 'tr' );
 910                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 911                         $this->msg( $firstHeadingMsg )->text() );
 912                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 913                         $this->msg( 'version-ext-colheader-version' )->text() );
 914                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 915                         $this->msg( 'version-ext-colheader-license' )->text() );
 916                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 917                         $this->msg( 'version-ext-colheader-description' )->text() );
 918                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 919                         $this->msg( 'version-ext-colheader-credits' )->text() );
 920                 $out .= Html::closeElement( 'tr' );
 921
 922                 return $out;
 923         }
 924
 925         /**
 926          * Get information about client's IP address.
 927          *
 928          * @return string HTML fragment
 929          */
 930         private function IPInfo() {
 931                 $ip = str_replace( '--', ' - ', htmlspecialchars( $this->getRequest()->getIP() ) );
 932
 933                 return "<!-- visited from $ip -->\n<span style='display:none'>visited from $ip</span>";
 934         }
 935
 936         /**
 937          * Return a formatted unsorted list of authors
 938          *
 939          * 'And Others'
 940          *   If an item in the $authors array is '...' it is assumed to indicate an
 941          *   'and others' string which will then be linked to an ((AUTHORS)|(CREDITS))(\.txt)?
 942          *   file if it exists in $dir.
 943          *
 944          *   Similarly an entry ending with ' ...]' is assumed to be a link to an
 945          *   'and others' page.
 946          *
 947          *   If no '...' string variant is found, but an authors file is found an
 948          *   'and others' will be added to the end of the credits.
 949          *
 950          * @param string|array $authors
 951          * @param string $extName Name of the extension for link creation
 952          * @param string $extDir Path to the extension root directory
 953          *
 954          * @return string HTML fragment
 955          */
 956         public function listAuthors( $authors, $extName, $extDir ) {
 957                 $hasOthers = false;
 958
 959                 $list = array();
 960                 foreach ( (array)$authors as $item ) {
 961                         if ( $item == '...' ) {
 962                                 $hasOthers = true;
 963
 964                                 if ( $this->getExtAuthorsFileName( $extDir ) ) {
 965                                         $text = Linker::link(
 966                                                 $this->getPageTitle( "Credits/$extName" ),
 967                                                 $this->msg( 'version-poweredby-others' )->escaped()
 968                                         );
 969                                 } else {
 970                                         $text = $this->msg( 'version-poweredby-others' )->escaped();
 971                                 }
 972                                 $list[] = $text;
 973                         } elseif ( substr( $item, -5 ) == ' ...]' ) {
 974                                 $hasOthers = true;
 975                                 $list[] = $this->getOutput()->parseInline(
 976                                         substr( $item, 0, -4 ) . $this->msg( 'version-poweredby-others' )->text() . "]"
 977                                 );
 978                         } else {
 979                                 $list[] = $this->getOutput()->parseInline( $item );
 980                         }
 981                 }
 982
 983                 if ( !$hasOthers && $this->getExtAuthorsFileName( $extDir ) ) {
 984                         $list[] = $text = Linker::link(
 985                                 $this->getPageTitle( "Credits/$extName" ),
 986                                 $this->msg( 'version-poweredby-others' )->escaped()
 987                         );
 988                 }
 989
 990                 return $this->listToText( $list, false );
 991         }
 992
 993         /**
 994          * Obtains the full path of an extensions authors or credits file if
 995          * one exists.
 996          *
 997          * @param string $extDir Path to the extensions root directory
 998          *
 999          * @since 1.23
1000          *
1001          * @return bool|string False if no such file exists, otherwise returns
1002          * a path to it.
1003          */
1004         public static function getExtAuthorsFileName( $extDir ) {
1005                 if ( !$extDir ) {
1006                         return false;
1007                 }
1008
1009                 foreach ( scandir( $extDir ) as $file ) {
1010                         $fullPath = $extDir . DIRECTORY_SEPARATOR . $file;
1011                         if ( preg_match( '/^((AUTHORS)|(CREDITS))(\.txt)?$/', $file ) &&
1012                                 is_readable( $fullPath ) &&
1013                                 is_file( $fullPath )
1014                         ) {
1015                                 return $fullPath;
1016                         }
1017                 }
1018
1019                 return false;
1020         }
1021
1022         /**
1023          * Obtains the full path of an extensions copying or license file if
1024          * one exists.
1025          *
1026          * @param string $extDir Path to the extensions root directory
1027          *
1028          * @since 1.23
1029          *
1030          * @return bool|string False if no such file exists, otherwise returns
1031          * a path to it.
1032          */
1033         public static function getExtLicenseFileName( $extDir ) {
1034                 if ( !$extDir ) {
1035                         return false;
1036                 }
1037
1038                 foreach ( scandir( $extDir ) as $file ) {
1039                         $fullPath = $extDir . DIRECTORY_SEPARATOR . $file;
1040                         if ( preg_match( '/^((COPYING)|(LICENSE))(\.txt)?$/', $file ) &&
1041                                 is_readable( $fullPath ) &&
1042                                 is_file( $fullPath )
1043                         ) {
1044                                 return $fullPath;
1045                         }
1046                 }
1047
1048                 return false;
1049         }
1050
1051         /**
1052          * Convert an array of items into a list for display.
1053          *
1054          * @param array $list List of elements to display
1055          * @param bool $sort Whether to sort the items in $list
1056          *
1057          * @return string
1058          */
1059         public function listToText( $list, $sort = true ) {
1060                 if ( !count( $list ) ) {
1061                         return '';
1062                 }
1063                 if ( $sort ) {
1064                         sort( $list );
1065                 }
1066
1067                 return $this->getLanguage()
1068                         ->listToText( array_map( array( __CLASS__, 'arrayToString' ), $list ) );
1069         }
1070
1071         /**
1072          * Convert an array or object to a string for display.
1073          *
1074          * @param mixed $list Will convert an array to string if given and return
1075          *   the parameter unaltered otherwise
1076          *
1077          * @return mixed
1078          */
1079         public static function arrayToString( $list ) {
1080                 if ( is_array( $list ) && count( $list ) == 1 ) {
1081                         $list = $list[0];
1082                 }
1083                 if ( is_object( $list ) ) {
1084                         $class = wfMessage( 'parentheses' )->params( get_class( $list ) )->escaped();
1085
1086                         return $class;
1087                 } elseif ( !is_array( $list ) ) {
1088                         return $list;
1089                 } else {
1090                         if ( is_object( $list[0] ) ) {
1091                                 $class = get_class( $list[0] );
1092                         } else {
1093                                 $class = $list[0];
1094                         }
1095
1096                         return wfMessage( 'parentheses' )->params( "$class, {$list[1]}" )->escaped();
1097                 }
1098         }
1099
1100         /**
1101          * Get an associative array of information about a given path, from its .svn
1102          * subdirectory. Returns false on error, such as if the directory was not
1103          * checked out with subversion.
1104          *
1105          * Returned keys are:
1106          *    Required:
1107          *        checkout-rev          The revision which was checked out
1108          *    Optional:
1109          *        directory-rev         The revision when the directory was last modified
1110          *        url                   The subversion URL of the directory
1111          *        repo-url              The base URL of the repository
1112          *        viewvc-url            A ViewVC URL pointing to the checked-out revision
1113          * @param string $dir
1114          * @return array|bool
1115          */
1116         public static function getSvnInfo( $dir ) {
1117                 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
1118                 $entries = $dir . '/.svn/entries';
1119
1120                 if ( !file_exists( $entries ) ) {
1121                         return false;
1122                 }
1123
1124                 $lines = file( $entries );
1125                 if ( !count( $lines ) ) {
1126                         return false;
1127                 }
1128
1129                 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
1130                 if ( preg_match( '/^<\?xml/', $lines[0] ) ) {
1131                         // subversion is release <= 1.3
1132                         if ( !function_exists( 'simplexml_load_file' ) ) {
1133                                 // We could fall back to expat... YUCK
1134                                 return false;
1135                         }
1136
1137                         // SimpleXml whines about the xmlns...
1138                         wfSuppressWarnings();
1139                         $xml = simplexml_load_file( $entries );
1140                         wfRestoreWarnings();
1141
1142                         if ( $xml ) {
1143                                 foreach ( $xml->entry as $entry ) {
1144                                         if ( $xml->entry[0]['name'] == '' ) {
1145                                                 // The directory entry should always have a revision marker.
1146                                                 if ( $entry['revision'] ) {
1147                                                         return array( 'checkout-rev' => intval( $entry['revision'] ) );
1148                                                 }
1149                                         }
1150                                 }
1151                         }
1152
1153                         return false;
1154                 }
1155
1156                 // Subversion is release 1.4 or above.
1157                 if ( count( $lines ) < 11 ) {
1158                         return false;
1159                 }
1160
1161                 $info = array(
1162                         'checkout-rev' => intval( trim( $lines[3] ) ),
1163                         'url' => trim( $lines[4] ),
1164                         'repo-url' => trim( $lines[5] ),
1165                         'directory-rev' => intval( trim( $lines[10] ) )
1166                 );
1167
1168                 if ( isset( self::$viewvcUrls[$info['repo-url']] ) ) {
1169                         $viewvc = str_replace(
1170                                 $info['repo-url'],
1171                                 self::$viewvcUrls[$info['repo-url']],
1172                                 $info['url']
1173                         );
1174
1175                         $viewvc .= '/?pathrev=';
1176                         $viewvc .= urlencode( $info['checkout-rev'] );
1177                         $info['viewvc-url'] = $viewvc;
1178                 }
1179
1180                 return $info;
1181         }
1182
1183         /**
1184          * Retrieve the revision number of a Subversion working directory.
1185          *
1186          * @param string $dir Directory of the svn checkout
1187          *
1188          * @return int Revision number
1189          */
1190         public static function getSvnRevision( $dir ) {
1191                 $info = self::getSvnInfo( $dir );
1192
1193                 if ( $info === false ) {
1194                         return false;
1195                 } elseif ( isset( $info['checkout-rev'] ) ) {
1196                         return $info['checkout-rev'];
1197                 } else {
1198                         return false;
1199                 }
1200         }
1201
1202         /**
1203          * @param string $dir Directory of the git checkout
1204          * @return bool|string Sha1 of commit HEAD points to
1205          */
1206         public static function getGitHeadSha1( $dir ) {
1207                 $repo = new GitInfo( $dir );
1208
1209                 return $repo->getHeadSHA1();
1210         }
1211
1212         /**
1213          * @param string $dir Directory of the git checkout
1214          * @return bool|string Branch currently checked out
1215          */
1216         public static function getGitCurrentBranch( $dir ) {
1217                 $repo = new GitInfo( $dir );
1218                 return $repo->getCurrentBranch();
1219         }
1220
1221         /**
1222          * Get the list of entry points and their URLs
1223          * @return string Wikitext
1224          */
1225         public function getEntryPointInfo() {
1226                 global $wgArticlePath, $wgScriptPath;
1227                 $scriptPath = $wgScriptPath ? $wgScriptPath : "/";
1228                 $entryPoints = array(
1229                         'version-entrypoints-articlepath' => $wgArticlePath,
1230                         'version-entrypoints-scriptpath' => $scriptPath,
1231                         'version-entrypoints-index-php' => wfScript( 'index' ),
1232                         'version-entrypoints-api-php' => wfScript( 'api' ),
1233                         'version-entrypoints-load-php' => wfScript( 'load' ),
1234                 );
1235
1236                 $language = $this->getLanguage();
1237                 $thAttribures = array(
1238                         'dir' => $language->getDir(),
1239                         'lang' => $language->getHtmlCode()
1240                 );
1241                 $out = Html::element(
1242                                 'h2',
1243                                 array( 'id' => 'mw-version-entrypoints' ),
1244                                 $this->msg( 'version-entrypoints' )->text()
1245                         ) .
1246                         Html::openElement( 'table',
1247                                 array(
1248                                         'class' => 'wikitable plainlinks',
1249                                         'id' => 'mw-version-entrypoints-table',
1250                                         'dir' => 'ltr',
1251                                         'lang' => 'en'
1252                                 )
1253                         ) .
1254                         Html::openElement( 'tr' ) .
1255                         Html::element(
1256                                 'th',
1257                                 $thAttribures,
1258                                 $this->msg( 'version-entrypoints-header-entrypoint' )->text()
1259                         ) .
1260                         Html::element(
1261                                 'th',
1262                                 $thAttribures,
1263                                 $this->msg( 'version-entrypoints-header-url' )->text()
1264                         ) .
1265                         Html::closeElement( 'tr' );
1266
1267                 foreach ( $entryPoints as $message => $value ) {
1268                         $url = wfExpandUrl( $value, PROTO_RELATIVE );
1269                         $out .= Html::openElement( 'tr' ) .
1270                                 // ->text() looks like it should be ->parse(), but this function
1271                                 // returns wikitext, not HTML, boo
1272                                 Html::rawElement( 'td', array(), $this->msg( $message )->text() ) .
1273                                 Html::rawElement( 'td', array(), Html::rawElement( 'code', array(), "[$url $value]" ) ) .
1274                                 Html::closeElement( 'tr' );
1275                 }
1276
1277                 $out .= Html::closeElement( 'table' );
1278
1279                 return $out;
1280         }
1281
1282         protected function getGroupName() {
1283                 return 'wiki';
1284         }
1285 }