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                                                 if ( !isset( $extNode['license-name'] ) ) {
 113                                                         // If the developer did not explicitly set license-name they probably
 114                                                         // are unaware that we're now sucking this file in and thus it's probably
 115                                                         // not wikitext friendly.
 116                                                         $wikiText = "<pre>$wikiText</pre>";
 117                                                 }
 118                                         }
 119                                 }
 120
 121                                 $out->setPageTitle( $this->msg( 'version-license-title', $extName ) );
 122                                 $out->addWikiText( $wikiText );
 123                                 break;
 124
 125                         default:
 126                                 $out->addModules( 'mediawiki.special.version' );
 127                                 $out->addWikiText(
 128                                         $this->getMediaWikiCredits() .
 129                                         $this->softwareInformation() .
 130                                         $this->getEntryPointInfo()
 131                                 );
 132                                 $out->addHtml(
 133                                         $this->getSkinCredits() .
 134                                         $this->getExtensionCredits() .
 135                                         $this->getExternalLibraries() .
 136                                         $this->getParserTags() .
 137                                         $this->getParserFunctionHooks()
 138                                 );
 139                                 $out->addWikiText( $this->getWgHooks() );
 140                                 $out->addHTML( $this->IPInfo() );
 141
 142                                 break;
 143                 }
 144         }
 145
 146         /**
 147          * Returns wiki text showing the license information.
 148          *
 149          * @return string
 150          */
 151         private static function getMediaWikiCredits() {
 152                 $ret = Xml::element(
 153                         'h2',
 154                         array( 'id' => 'mw-version-license' ),
 155                         wfMessage( 'version-license' )->text()
 156                 );
 157
 158                 // This text is always left-to-right.
 159                 $ret .= '<div class="plainlinks">';
 160                 $ret .= "__NOTOC__
 161                 " . self::getCopyrightAndAuthorList() . "\n
 162                 " . wfMessage( 'version-license-info' )->text();
 163                 $ret .= '</div>';
 164
 165                 return str_replace( "\t\t", '', $ret ) . "\n";
 166         }
 167
 168         /**
 169          * Get the "MediaWiki is copyright 2001-20xx by lots of cool guys" text
 170          *
 171          * @return string
 172          */
 173         public static function getCopyrightAndAuthorList() {
 174                 global $wgLang;
 175
 176                 if ( defined( 'MEDIAWIKI_INSTALL' ) ) {
 177                         $othersLink = '[//www.mediawiki.org/wiki/Special:Version/Credits ' .
 178                                 wfMessage( 'version-poweredby-others' )->text() . ']';
 179                 } else {
 180                         $othersLink = '[[Special:Version/Credits|' .
 181                                 wfMessage( 'version-poweredby-others' )->text() . ']]';
 182                 }
 183
 184                 $translatorsLink = '[//translatewiki.net/wiki/Translating:MediaWiki/Credits ' .
 185                         wfMessage( 'version-poweredby-translators' )->text() . ']';
 186
 187                 $authorList = array(
 188                         'Magnus Manske', 'Brion Vibber', 'Lee Daniel Crocker',
 189                         'Tim Starling', 'Erik Möller', 'Gabriel Wicke', 'Ævar Arnfjörð Bjarmason',
 190                         'Niklas Laxström', 'Domas Mituzas', 'Rob Church', 'Yuri Astrakhan',
 191                         'Aryeh Gregor', 'Aaron Schulz', 'Andrew Garrett', 'Raimond Spekking',
 192                         'Alexandre Emsenhuber', 'Siebrand Mazeland', 'Chad Horohoe',
 193                         'Roan Kattouw', 'Trevor Parscal', 'Bryan Tong Minh', 'Sam Reed',
 194                         'Victor Vasiliev', 'Rotem Liss', 'Platonides', 'Antoine Musso',
 195                         'Timo Tijhof', 'Daniel Kinzler', 'Jeroen De Dauw', 'Brad Jorsch',
 196                         $othersLink, $translatorsLink
 197                 );
 198
 199                 return wfMessage( 'version-poweredby-credits', MWTimestamp::getLocalInstance()->format( 'Y' ),
 200                         $wgLang->listToText( $authorList ) )->text();
 201         }
 202
 203         /**
 204          * Returns wiki text showing the third party software versions (apache, php, mysql).
 205          *
 206          * @return string
 207          */
 208         public static function softwareInformation() {
 209                 $dbr = wfGetDB( DB_SLAVE );
 210
 211                 // Put the software in an array of form 'name' => 'version'. All messages should
 212                 // be loaded here, so feel free to use wfMessage in the 'name'. Raw HTML or
 213                 // wikimarkup can be used.
 214                 $software = array();
 215                 $software['[https://www.mediawiki.org/ MediaWiki]'] = self::getVersionLinked();
 216                 if ( wfIsHHVM() ) {
 217                         $software['[http://hhvm.com/ HHVM]'] = HHVM_VERSION . " (" . PHP_SAPI . ")";
 218                 } else {
 219                         $software['[https://php.net/ PHP]'] = PHP_VERSION . " (" . PHP_SAPI . ")";
 220                 }
 221                 $software[$dbr->getSoftwareLink()] = $dbr->getServerInfo();
 222
 223                 // Allow a hook to add/remove items.
 224                 Hooks::run( 'SoftwareInfo', array( &$software ) );
 225
 226                 $out = Xml::element(
 227                                 'h2',
 228                                 array( 'id' => 'mw-version-software' ),
 229                                 wfMessage( 'version-software' )->text()
 230                         ) .
 231                                 Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-software' ) ) .
 232                                 "<tr>
 233                                         <th>" . wfMessage( 'version-software-product' )->text() . "</th>
 234                                         <th>" . wfMessage( 'version-software-version' )->text() . "</th>
 235                                 </tr>\n";
 236
 237                 foreach ( $software as $name => $version ) {
 238                         $out .= "<tr>
 239                                         <td>" . $name . "</td>
 240                                         <td dir=\"ltr\">" . $version . "</td>
 241                                 </tr>\n";
 242                 }
 243
 244                 return $out . Xml::closeElement( 'table' );
 245         }
 246
 247         /**
 248          * Return a string of the MediaWiki version with SVN revision if available.
 249          *
 250          * @param string $flags
 251          * @return mixed
 252          */
 253         public static function getVersion( $flags = '' ) {
 254                 global $wgVersion, $IP;
 255                 wfProfileIn( __METHOD__ );
 256
 257                 $gitInfo = self::getGitHeadSha1( $IP );
 258                 $svnInfo = self::getSvnInfo( $IP );
 259                 if ( !$svnInfo && !$gitInfo ) {
 260                         $version = $wgVersion;
 261                 } elseif ( $gitInfo && $flags === 'nodb' ) {
 262                         $shortSha1 = substr( $gitInfo, 0, 7 );
 263                         $version = "$wgVersion ($shortSha1)";
 264                 } elseif ( $gitInfo ) {
 265                         $shortSha1 = substr( $gitInfo, 0, 7 );
 266                         $shortSha1 = wfMessage( 'parentheses' )->params( $shortSha1 )->escaped();
 267                         $version = "$wgVersion $shortSha1";
 268                 } elseif ( $flags === 'nodb' ) {
 269                         $version = "$wgVersion (r{$svnInfo['checkout-rev']})";
 270                 } else {
 271                         $version = $wgVersion . ' ' .
 272                                 wfMessage(
 273                                         'version-svn-revision',
 274                                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 275                                         $info['checkout-rev']
 276                                 )->text();
 277                 }
 278
 279                 wfProfileOut( __METHOD__ );
 280
 281                 return $version;
 282         }
 283
 284         /**
 285          * Return a wikitext-formatted string of the MediaWiki version with a link to
 286          * the SVN revision or the git SHA1 of head if available.
 287          * Git is prefered over Svn
 288          * The fallback is just $wgVersion
 289          *
 290          * @return mixed
 291          */
 292         public static function getVersionLinked() {
 293                 global $wgVersion;
 294                 wfProfileIn( __METHOD__ );
 295
 296                 $gitVersion = self::getVersionLinkedGit();
 297                 if ( $gitVersion ) {
 298                         $v = $gitVersion;
 299                 } else {
 300                         $svnVersion = self::getVersionLinkedSvn();
 301                         if ( $svnVersion ) {
 302                                 $v = $svnVersion;
 303                         } else {
 304                                 $v = $wgVersion; // fallback
 305                         }
 306                 }
 307
 308                 wfProfileOut( __METHOD__ );
 309
 310                 return $v;
 311         }
 312
 313         /**
 314          * @return string Global wgVersion + a link to subversion revision of svn BASE
 315          */
 316         private static function getVersionLinkedSvn() {
 317                 global $IP;
 318
 319                 $info = self::getSvnInfo( $IP );
 320                 if ( !isset( $info['checkout-rev'] ) ) {
 321                         return false;
 322                 }
 323
 324                 $linkText = wfMessage(
 325                         'version-svn-revision',
 326                         isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
 327                         $info['checkout-rev']
 328                 )->text();
 329
 330                 if ( isset( $info['viewvc-url'] ) ) {
 331                         $version = "[{$info['viewvc-url']} $linkText]";
 332                 } else {
 333                         $version = $linkText;
 334                 }
 335
 336                 return self::getwgVersionLinked() . " $version";
 337         }
 338
 339         /**
 340          * @return string
 341          */
 342         private static function getwgVersionLinked() {
 343                 global $wgVersion;
 344                 $versionUrl = "";
 345                 if ( Hooks::run( 'SpecialVersionVersionUrl', array( $wgVersion, &$versionUrl ) ) ) {
 346                         $versionParts = array();
 347                         preg_match( "/^(\d+\.\d+)/", $wgVersion, $versionParts );
 348                         $versionUrl = "https://www.mediawiki.org/wiki/MediaWiki_{$versionParts[1]}";
 349                 }
 350
 351                 return "[$versionUrl $wgVersion]";
 352         }
 353
 354         /**
 355          * @since 1.22 Returns the HEAD date in addition to the sha1 and link
 356          * @return bool|string Global wgVersion + HEAD sha1 stripped to the first 7 chars
 357          *   with link and date, or false on failure
 358          */
 359         private static function getVersionLinkedGit() {
 360                 global $IP, $wgLang;
 361
 362                 $gitInfo = new GitInfo( $IP );
 363                 $headSHA1 = $gitInfo->getHeadSHA1();
 364                 if ( !$headSHA1 ) {
 365                         return false;
 366                 }
 367
 368                 $shortSHA1 = '(' . substr( $headSHA1, 0, 7 ) . ')';
 369
 370                 $gitHeadUrl = $gitInfo->getHeadViewUrl();
 371                 if ( $gitHeadUrl !== false ) {
 372                         $shortSHA1 = "[$gitHeadUrl $shortSHA1]";
 373                 }
 374
 375                 $gitHeadCommitDate = $gitInfo->getHeadCommitDate();
 376                 if ( $gitHeadCommitDate ) {
 377                         $shortSHA1 .= Html::element( 'br' ) . $wgLang->timeanddate( $gitHeadCommitDate, true );
 378                 }
 379
 380                 return self::getwgVersionLinked() . " $shortSHA1";
 381         }
 382
 383         /**
 384          * Returns an array with the base extension types.
 385          * Type is stored as array key, the message as array value.
 386          *
 387          * TODO: ideally this would return all extension types.
 388          *
 389          * @since 1.17
 390          *
 391          * @return array
 392          */
 393         public static function getExtensionTypes() {
 394                 if ( self::$extensionTypes === false ) {
 395                         self::$extensionTypes = array(
 396                                 'specialpage' => wfMessage( 'version-specialpages' )->text(),
 397                                 'parserhook' => wfMessage( 'version-parserhooks' )->text(),
 398                                 'variable' => wfMessage( 'version-variables' )->text(),
 399                                 'media' => wfMessage( 'version-mediahandlers' )->text(),
 400                                 'antispam' => wfMessage( 'version-antispam' )->text(),
 401                                 'skin' => wfMessage( 'version-skins' )->text(),
 402                                 'api' => wfMessage( 'version-api' )->text(),
 403                                 'other' => wfMessage( 'version-other' )->text(),
 404                         );
 405
 406                         Hooks::run( 'ExtensionTypes', array( &self::$extensionTypes ) );
 407                 }
 408
 409                 return self::$extensionTypes;
 410         }
 411
 412         /**
 413          * Returns the internationalized name for an extension type.
 414          *
 415          * @since 1.17
 416          *
 417          * @param string $type
 418          *
 419          * @return string
 420          */
 421         public static function getExtensionTypeName( $type ) {
 422                 $types = self::getExtensionTypes();
 423
 424                 return isset( $types[$type] ) ? $types[$type] : $types['other'];
 425         }
 426
 427         /**
 428          * Generate wikitext showing the name, URL, author and description of each extension.
 429          *
 430          * @return string Wikitext
 431          */
 432         public function getExtensionCredits() {
 433                 global $wgExtensionCredits;
 434
 435                 if (
 436                         count( $wgExtensionCredits ) === 0 ||
 437                         // Skins are displayed separately, see getSkinCredits()
 438                         ( count( $wgExtensionCredits ) === 1 && isset( $wgExtensionCredits['skin'] ) )
 439                 ) {
 440                         return '';
 441                 }
 442
 443                 $extensionTypes = self::getExtensionTypes();
 444
 445                 $out = Xml::element(
 446                                 'h2',
 447                                 array( 'id' => 'mw-version-ext' ),
 448                                 $this->msg( 'version-extensions' )->text()
 449                         ) .
 450                         Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-ext' ) );
 451
 452                 // Make sure the 'other' type is set to an array.
 453                 if ( !array_key_exists( 'other', $wgExtensionCredits ) ) {
 454                         $wgExtensionCredits['other'] = array();
 455                 }
 456
 457                 // Find all extensions that do not have a valid type and give them the type 'other'.
 458                 foreach ( $wgExtensionCredits as $type => $extensions ) {
 459                         if ( !array_key_exists( $type, $extensionTypes ) ) {
 460                                 $wgExtensionCredits['other'] = array_merge( $wgExtensionCredits['other'], $extensions );
 461                         }
 462                 }
 463
 464                 $this->firstExtOpened = false;
 465                 // Loop through the extension categories to display their extensions in the list.
 466                 foreach ( $extensionTypes as $type => $message ) {
 467                         // Skins have a separate section
 468                         if ( $type !== 'other' && $type !== 'skin' ) {
 469                                 $out .= $this->getExtensionCategory( $type, $message );
 470                         }
 471                 }
 472
 473                 // We want the 'other' type to be last in the list.
 474                 $out .= $this->getExtensionCategory( 'other', $extensionTypes['other'] );
 475
 476                 $out .= Xml::closeElement( 'table' );
 477
 478                 return $out;
 479         }
 480
 481         /**
 482          * Generate wikitext showing the name, URL, author and description of each skin.
 483          *
 484          * @return string Wikitext
 485          */
 486         public function getSkinCredits() {
 487                 global $wgExtensionCredits;
 488                 if ( !isset( $wgExtensionCredits['skin'] ) || count( $wgExtensionCredits['skin'] ) === 0 ) {
 489                         return '';
 490                 }
 491
 492                 $out = Xml::element(
 493                                 'h2',
 494                                 array( 'id' => 'mw-version-skin' ),
 495                                 $this->msg( 'version-skins' )->text()
 496                         ) .
 497                         Xml::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-skin' ) );
 498
 499                 $this->firstExtOpened = false;
 500                 $out .= $this->getExtensionCategory( 'skin', null );
 501
 502                 $out .= Xml::closeElement( 'table' );
 503
 504                 return $out;
 505         }
 506
 507         /**
 508          * Generate an HTML table for external libraries that are installed
 509          *
 510          * @return string
 511          */
 512         protected function getExternalLibraries() {
 513                 global $IP;
 514                 $path = "$IP/composer.lock";
 515                 if ( !file_exists( $path ) ) {
 516                         // Maybe they're using mediawiki/vendor?
 517                         $path = "$IP/vendor/composer.lock";
 518                         if ( !file_exists( $path ) ) {
 519                                 return '';
 520                         }
 521                 }
 522
 523                 $lock = new ComposerLock( $path );
 524                 $out = Html::element(
 525                         'h2',
 526                         array( 'id' => 'mw-version-libraries' ),
 527                         $this->msg( 'version-libraries' )->text()
 528                 );
 529                 $out .= Html::openElement( 'table', array( 'class' => 'wikitable plainlinks', 'id' => 'sv-libraries' ) );
 530                 $out .= Html::openElement( 'tr' )
 531                         . Html::element( 'th', array(), $this->msg( 'version-libraries-library' )->text() )
 532                         . Html::element( 'th', array(), $this->msg( 'version-libraries-version' )->text() )
 533                         . Html::closeElement( 'tr' );
 534
 535                 foreach ( $lock->getInstalledDependencies() as $name => $info ) {
 536                         if ( strpos( $info['type'], 'mediawiki-' ) === 0 ) {
 537                                 // Skip any extensions or skins since they'll be listed
 538                                 // in their proper section
 539                                 continue;
 540                         }
 541                         $out .= Html::openElement( 'tr' )
 542                                 . Html::rawElement( 'td', array(), Linker::makeExternalLink( "https://packagist.org/packages/$name", $name ) )
 543                                 . Html::element( 'td', array(), $info['version'] )
 544                                 . Html::closeElement( 'tr' );
 545                 }
 546                 $out .= Html::closeElement( 'table' );
 547
 548                 return $out;
 549         }
 550
 551         /**
 552          * Obtains a list of installed parser tags and the associated H2 header
 553          *
 554          * @return string HTML output
 555          */
 556         protected function getParserTags() {
 557                 global $wgParser;
 558
 559                 $tags = $wgParser->getTags();
 560
 561                 if ( count( $tags ) ) {
 562                         $out = Html::rawElement(
 563                                 'h2',
 564                                 array( 'class' => 'mw-headline' ),
 565                                 Linker::makeExternalLink(
 566                                         '//www.mediawiki.org/wiki/Special:MyLanguage/Manual:Tag_extensions',
 567                                         $this->msg( 'version-parser-extensiontags' )->parse(),
 568                                         false /* msg()->parse() already escapes */
 569                                 )
 570                         );
 571
 572                         array_walk( $tags, function ( &$value ) {
 573                                 // Bidirectional isolation improves readability in RTL wikis
 574                                 $value = Html::element(
 575                                         'bdi',
 576                                         // Prevent < and > from slipping to another line
 577                                         array(
 578                                                 'style' => 'white-space: nowrap;',
 579                                         ),
 580                                         "<$value>"
 581                                 );
 582                         } );
 583
 584                         $out .= $this->listToText( $tags );
 585                 } else {
 586                         $out = '';
 587                 }
 588
 589                 return $out;
 590         }
 591
 592         /**
 593          * Obtains a list of installed parser function hooks and the associated H2 header
 594          *
 595          * @return string HTML output
 596          */
 597         protected function getParserFunctionHooks() {
 598                 global $wgParser;
 599
 600                 $fhooks = $wgParser->getFunctionHooks();
 601                 if ( count( $fhooks ) ) {
 602                         $out = Html::rawElement( 'h2', array( 'class' => 'mw-headline' ), Linker::makeExternalLink(
 603                                 '//www.mediawiki.org/wiki/Special:MyLanguage/Manual:Parser_functions',
 604                                 $this->msg( 'version-parser-function-hooks' )->parse(),
 605                                 false /* msg()->parse() already escapes */
 606                         ) );
 607
 608                         $out .= $this->listToText( $fhooks );
 609                 } else {
 610                         $out = '';
 611                 }
 612
 613                 return $out;
 614         }
 615
 616         /**
 617          * Creates and returns the HTML for a single extension category.
 618          *
 619          * @since 1.17
 620          *
 621          * @param string $type
 622          * @param string $message
 623          *
 624          * @return string
 625          */
 626         protected function getExtensionCategory( $type, $message ) {
 627                 global $wgExtensionCredits;
 628
 629                 $out = '';
 630
 631                 if ( array_key_exists( $type, $wgExtensionCredits ) && count( $wgExtensionCredits[$type] ) > 0 ) {
 632                         $out .= $this->openExtType( $message, 'credits-' . $type );
 633
 634                         usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
 635
 636                         foreach ( $wgExtensionCredits[$type] as $extension ) {
 637                                 $out .= $this->getCreditsForExtension( $extension );
 638                         }
 639                 }
 640
 641                 return $out;
 642         }
 643
 644         /**
 645          * Callback to sort extensions by type.
 646          * @param array $a
 647          * @param array $b
 648          * @return int
 649          */
 650         public function compare( $a, $b ) {
 651                 if ( $a['name'] === $b['name'] ) {
 652                         return 0;
 653                 } else {
 654                         return $this->getLanguage()->lc( $a['name'] ) > $this->getLanguage()->lc( $b['name'] )
 655                                 ? 1
 656                                 : -1;
 657                 }
 658         }
 659
 660         /**
 661          * Creates and formats a version line for a single extension.
 662          *
 663          * Information for five columns will be created. Parameters required in the
 664          * $extension array for part rendering are indicated in ()
 665          *  - The name of (name), and URL link to (url), the extension
 666          *  - Official version number (version) and if available version control system
 667          *    revision (path), link, and date
 668          *  - If available the short name of the license (license-name) and a linke
 669          *    to ((LICENSE)|(COPYING))(\.txt)? if it exists.
 670          *  - Description of extension (descriptionmsg or description)
 671          *  - List of authors (author) and link to a ((AUTHORS)|(CREDITS))(\.txt)? file if it exists
 672          *
 673          * @param array $extension
 674          *
 675          * @return string Raw HTML
 676          */
 677         public function getCreditsForExtension( array $extension ) {
 678                 $out = $this->getOutput();
 679
 680                 // We must obtain the information for all the bits and pieces!
 681                 // ... such as extension names and links
 682                 if ( isset( $extension['namemsg'] ) ) {
 683                         // Localized name of extension
 684                         $extensionName = $this->msg( $extension['namemsg'] )->text();
 685                 } elseif ( isset( $extension['name'] ) ) {
 686                         // Non localized version
 687                         $extensionName = $extension['name'];
 688                 } else {
 689                         $extensionName = $this->msg( 'version-no-ext-name' )->text();
 690                 }
 691
 692                 if ( isset( $extension['url'] ) ) {
 693                         $extensionNameLink = Linker::makeExternalLink(
 694                                 $extension['url'],
 695                                 $extensionName,
 696                                 true,
 697                                 '',
 698                                 array( 'class' => 'mw-version-ext-name' )
 699                         );
 700                 } else {
 701                         $extensionNameLink = $extensionName;
 702                 }
 703
 704                 // ... and the version information
 705                 // If the extension path is set we will check that directory for GIT and SVN
 706                 // metadata in an attempt to extract date and vcs commit metadata.
 707                 $canonicalVersion = '&ndash;';
 708                 $extensionPath = null;
 709                 $vcsVersion = null;
 710                 $vcsLink = null;
 711                 $vcsDate = null;
 712
 713                 if ( isset( $extension['version'] ) ) {
 714                         $canonicalVersion = $out->parseInline( $extension['version'] );
 715                 }
 716
 717                 if ( isset( $extension['path'] ) ) {
 718                         global $IP;
 719                         $extensionPath = dirname( $extension['path'] );
 720                         if ( $this->coreId == '' ) {
 721                                 wfDebug( 'Looking up core head id' );
 722                                 $coreHeadSHA1 = self::getGitHeadSha1( $IP );
 723                                 if ( $coreHeadSHA1 ) {
 724                                         $this->coreId = $coreHeadSHA1;
 725                                 } else {
 726                                         $svnInfo = self::getSvnInfo( $IP );
 727                                         if ( $svnInfo !== false ) {
 728                                                 $this->coreId = $svnInfo['checkout-rev'];
 729                                         }
 730                                 }
 731                         }
 732                         $cache = wfGetCache( CACHE_ANYTHING );
 733                         $memcKey = wfMemcKey( 'specialversion-ext-version-text', $extension['path'], $this->coreId );
 734                         list( $vcsVersion, $vcsLink, $vcsDate ) = $cache->get( $memcKey );
 735
 736                         if ( !$vcsVersion ) {
 737                                 wfDebug( "Getting VCS info for extension $extensionName" );
 738                                 $gitInfo = new GitInfo( $extensionPath );
 739                                 $vcsVersion = $gitInfo->getHeadSHA1();
 740                                 if ( $vcsVersion !== false ) {
 741                                         $vcsVersion = substr( $vcsVersion, 0, 7 );
 742                                         $vcsLink = $gitInfo->getHeadViewUrl();
 743                                         $vcsDate = $gitInfo->getHeadCommitDate();
 744                                 } else {
 745                                         $svnInfo = self::getSvnInfo( $extensionPath );
 746                                         if ( $svnInfo !== false ) {
 747                                                 $vcsVersion = $this->msg( 'version-svn-revision', $svnInfo['checkout-rev'] )->text();
 748                                                 $vcsLink = isset( $svnInfo['viewvc-url'] ) ? $svnInfo['viewvc-url'] : '';
 749                                         }
 750                                 }
 751                                 $cache->set( $memcKey, array( $vcsVersion, $vcsLink, $vcsDate ), 60 * 60 * 24 );
 752                         } else {
 753                                 wfDebug( "Pulled VCS info for extension $extensionName from cache" );
 754                         }
 755                 }
 756
 757                 $versionString = Html::rawElement(
 758                         'span',
 759                         array( 'class' => 'mw-version-ext-version' ),
 760                         $canonicalVersion
 761                 );
 762
 763                 if ( $vcsVersion ) {
 764                         if ( $vcsLink ) {
 765                                 $vcsVerString = Linker::makeExternalLink(
 766                                         $vcsLink,
 767                                         $this->msg( 'version-version', $vcsVersion ),
 768                                         true,
 769                                         '',
 770                                         array( 'class' => 'mw-version-ext-vcs-version' )
 771                                 );
 772                         } else {
 773                                 $vcsVerString = Html::element( 'span',
 774                                         array( 'class' => 'mw-version-ext-vcs-version' ),
 775                                         "({$vcsVersion})"
 776                                 );
 777                         }
 778                         $versionString .= " {$vcsVerString}";
 779
 780                         if ( $vcsDate ) {
 781                                 $vcsTimeString = Html::element( 'span',
 782                                         array( 'class' => 'mw-version-ext-vcs-timestamp' ),
 783                                         $this->getLanguage()->timeanddate( $vcsDate, true )
 784                                 );
 785                                 $versionString .= " {$vcsTimeString}";
 786                         }
 787                         $versionString = Html::rawElement( 'span',
 788                                 array( 'class' => 'mw-version-ext-meta-version' ),
 789                                 $versionString
 790                         );
 791                 }
 792
 793                 // ... and license information; if a license file exists we
 794                 // will link to it
 795                 $licenseLink = '';
 796                 if ( isset( $extension['name'] ) ) {
 797                         $licenseName = null;
 798                         if ( isset( $extension['license-name'] ) ) {
 799                                 $licenseName = $out->parseInline( $extension['license-name'] );
 800                         } elseif ( $this->getExtLicenseFileName( $extensionPath ) ) {
 801                                 $licenseName = $this->msg( 'version-ext-license' );
 802                         }
 803                         if ( $licenseName !== null ) {
 804                                 $licenseLink = Linker::link(
 805                                         $this->getPageTitle( 'License/' . $extension['name'] ),
 806                                         $licenseName,
 807                                         array(
 808                                                 'class' => 'mw-version-ext-license',
 809                                                 'dir' => 'auto',
 810                                         )
 811                                 );
 812                         }
 813                 }
 814
 815                 // ... and generate the description; which can be a parameterized l10n message
 816                 // in the form array( <msgname>, <parameter>, <parameter>... ) or just a straight
 817                 // up string
 818                 if ( isset( $extension['descriptionmsg'] ) ) {
 819                         // Localized description of extension
 820                         $descriptionMsg = $extension['descriptionmsg'];
 821
 822                         if ( is_array( $descriptionMsg ) ) {
 823                                 $descriptionMsgKey = $descriptionMsg[0]; // Get the message key
 824                                 array_shift( $descriptionMsg ); // Shift out the message key to get the parameters only
 825                                 array_map( "htmlspecialchars", $descriptionMsg ); // For sanity
 826                                 $description = $this->msg( $descriptionMsgKey, $descriptionMsg )->text();
 827                         } else {
 828                                 $description = $this->msg( $descriptionMsg )->text();
 829                         }
 830                 } elseif ( isset( $extension['description'] ) ) {
 831                         // Non localized version
 832                         $description = $extension['description'];
 833                 } else {
 834                         $description = '';
 835                 }
 836                 $description = $out->parseInline( $description );
 837
 838                 // ... now get the authors for this extension
 839                 $authors = isset( $extension['author'] ) ? $extension['author'] : array();
 840                 $authors = $this->listAuthors( $authors, $extensionName, $extensionPath );
 841
 842                 // Finally! Create the table
 843                 $html = Html::openElement( 'tr', array(
 844                                 'class' => 'mw-version-ext',
 845                                 'id' => "mw-version-ext-{$extensionName}"
 846                         )
 847                 );
 848
 849                 $html .= Html::rawElement( 'td', array(), $extensionNameLink );
 850                 $html .= Html::rawElement( 'td', array(), $versionString );
 851                 $html .= Html::rawElement( 'td', array(), $licenseLink );
 852                 $html .= Html::rawElement( 'td', array( 'class' => 'mw-version-ext-description' ), $description );
 853                 $html .= Html::rawElement( 'td', array( 'class' => 'mw-version-ext-authors' ), $authors );
 854
 855                 $html .= Html::closeElement( 'tr' );
 856
 857                 return $html;
 858         }
 859
 860         /**
 861          * Generate wikitext showing hooks in $wgHooks.
 862          *
 863          * @return string Wikitext
 864          */
 865         private function getWgHooks() {
 866                 global $wgSpecialVersionShowHooks, $wgHooks;
 867
 868                 if ( $wgSpecialVersionShowHooks && count( $wgHooks ) ) {
 869                         $myWgHooks = $wgHooks;
 870                         ksort( $myWgHooks );
 871
 872                         $ret = array();
 873                         $ret[] = '== {{int:version-hooks}} ==';
 874                         $ret[] = Html::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-hooks' ) );
 875                         $ret[] = Html::openElement( 'tr' );
 876                         $ret[] = Html::element( 'th', array(), $this->msg( 'version-hook-name' )->text() );
 877                         $ret[] = Html::element( 'th', array(), $this->msg( 'version-hook-subscribedby' )->text() );
 878                         $ret[] = Html::closeElement( 'tr' );
 879
 880                         foreach ( $myWgHooks as $hook => $hooks ) {
 881                                 $ret[] = Html::openElement( 'tr' );
 882                                 $ret[] = Html::element( 'td', array(), $hook );
 883                                 $ret[] = Html::element( 'td', array(), $this->listToText( $hooks ) );
 884                                 $ret[] = Html::closeElement( 'tr' );
 885                         }
 886
 887                         $ret[] = Html::closeElement( 'table' );
 888
 889                         return implode( "\n", $ret );
 890                 } else {
 891                         return '';
 892                 }
 893         }
 894
 895         private function openExtType( $text = null, $name = null ) {
 896                 $out = '';
 897
 898                 $opt = array( 'colspan' => 5 );
 899                 if ( $this->firstExtOpened ) {
 900                         // Insert a spacing line
 901                         $out .= Html::rawElement( 'tr', array( 'class' => 'sv-space' ),
 902                                 Html::element( 'td', $opt )
 903                         );
 904                 }
 905                 $this->firstExtOpened = true;
 906
 907                 if ( $name ) {
 908                         $opt['id'] = "sv-$name";
 909                 }
 910
 911                 if ( $text !== null ) {
 912                         $out .= Html::rawElement( 'tr', array(),
 913                                 Html::element( 'th', $opt, $text )
 914                         );
 915                 }
 916
 917                 $firstHeadingMsg = ( $name === 'credits-skin' )
 918                         ? 'version-skin-colheader-name'
 919                         : 'version-ext-colheader-name';
 920                 $out .= Html::openElement( 'tr' );
 921                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 922                         $this->msg( $firstHeadingMsg )->text() );
 923                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 924                         $this->msg( 'version-ext-colheader-version' )->text() );
 925                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 926                         $this->msg( 'version-ext-colheader-license' )->text() );
 927                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 928                         $this->msg( 'version-ext-colheader-description' )->text() );
 929                 $out .= Html::element( 'th', array( 'class' => 'mw-version-ext-col-label' ),
 930                         $this->msg( 'version-ext-colheader-credits' )->text() );
 931                 $out .= Html::closeElement( 'tr' );
 932
 933                 return $out;
 934         }
 935
 936         /**
 937          * Get information about client's IP address.
 938          *
 939          * @return string HTML fragment
 940          */
 941         private function IPInfo() {
 942                 $ip = str_replace( '--', ' - ', htmlspecialchars( $this->getRequest()->getIP() ) );
 943
 944                 return "<!-- visited from $ip -->\n<span style='display:none'>visited from $ip</span>";
 945         }
 946
 947         /**
 948          * Return a formatted unsorted list of authors
 949          *
 950          * 'And Others'
 951          *   If an item in the $authors array is '...' it is assumed to indicate an
 952          *   'and others' string which will then be linked to an ((AUTHORS)|(CREDITS))(\.txt)?
 953          *   file if it exists in $dir.
 954          *
 955          *   Similarly an entry ending with ' ...]' is assumed to be a link to an
 956          *   'and others' page.
 957          *
 958          *   If no '...' string variant is found, but an authors file is found an
 959          *   'and others' will be added to the end of the credits.
 960          *
 961          * @param string|array $authors
 962          * @param string $extName Name of the extension for link creation
 963          * @param string $extDir Path to the extension root directory
 964          *
 965          * @return string HTML fragment
 966          */
 967         public function listAuthors( $authors, $extName, $extDir ) {
 968                 $hasOthers = false;
 969
 970                 $list = array();
 971                 foreach ( (array)$authors as $item ) {
 972                         if ( $item == '...' ) {
 973                                 $hasOthers = true;
 974
 975                                 if ( $this->getExtAuthorsFileName( $extDir ) ) {
 976                                         $text = Linker::link(
 977                                                 $this->getPageTitle( "Credits/$extName" ),
 978                                                 $this->msg( 'version-poweredby-others' )->text()
 979                                         );
 980                                 } else {
 981                                         $text = $this->msg( 'version-poweredby-others' )->text();
 982                                 }
 983                                 $list[] = $text;
 984                         } elseif ( substr( $item, -5 ) == ' ...]' ) {
 985                                 $hasOthers = true;
 986                                 $list[] = $this->getOutput()->parseInline(
 987                                         substr( $item, 0, -4 ) . $this->msg( 'version-poweredby-others' )->text() . "]"
 988                                 );
 989                         } else {
 990                                 $list[] = $this->getOutput()->parseInline( $item );
 991                         }
 992                 }
 993
 994                 if ( !$hasOthers && $this->getExtAuthorsFileName( $extDir ) ) {
 995                         $list[] = $text = Linker::link(
 996                                 $this->getPageTitle( "Credits/$extName" ),
 997                                 $this->msg( 'version-poweredby-others' )->text()
 998                         );
 999                 }
1000
1001                 return $this->listToText( $list, false );
1002         }
1003
1004         /**
1005          * Obtains the full path of an extensions authors or credits file if
1006          * one exists.
1007          *
1008          * @param string $extDir Path to the extensions root directory
1009          *
1010          * @since 1.23
1011          *
1012          * @return bool|string False if no such file exists, otherwise returns
1013          * a path to it.
1014          */
1015         public static function getExtAuthorsFileName( $extDir ) {
1016                 if ( !$extDir ) {
1017                         return false;
1018                 }
1019
1020                 foreach ( scandir( $extDir ) as $file ) {
1021                         $fullPath = $extDir . DIRECTORY_SEPARATOR . $file;
1022                         if ( preg_match( '/^((AUTHORS)|(CREDITS))(\.txt)?$/', $file ) &&
1023                                 is_readable( $fullPath ) &&
1024                                 is_file( $fullPath )
1025                         ) {
1026                                 return $fullPath;
1027                         }
1028                 }
1029
1030                 return false;
1031         }
1032
1033         /**
1034          * Obtains the full path of an extensions copying or license file if
1035          * one exists.
1036          *
1037          * @param string $extDir Path to the extensions root directory
1038          *
1039          * @since 1.23
1040          *
1041          * @return bool|string False if no such file exists, otherwise returns
1042          * a path to it.
1043          */
1044         public static function getExtLicenseFileName( $extDir ) {
1045                 if ( !$extDir ) {
1046                         return false;
1047                 }
1048
1049                 foreach ( scandir( $extDir ) as $file ) {
1050                         $fullPath = $extDir . DIRECTORY_SEPARATOR . $file;
1051                         if ( preg_match( '/^((COPYING)|(LICENSE))(\.txt)?$/', $file ) &&
1052                                 is_readable( $fullPath ) &&
1053                                 is_file( $fullPath )
1054                         ) {
1055                                 return $fullPath;
1056                         }
1057                 }
1058
1059                 return false;
1060         }
1061
1062         /**
1063          * Convert an array of items into a list for display.
1064          *
1065          * @param array $list List of elements to display
1066          * @param bool $sort Whether to sort the items in $list
1067          *
1068          * @return string
1069          */
1070         public function listToText( $list, $sort = true ) {
1071                 if ( !count( $list ) ) {
1072                         return '';
1073                 }
1074                 if ( $sort ) {
1075                         sort( $list );
1076                 }
1077
1078                 return $this->getLanguage()
1079                         ->listToText( array_map( array( __CLASS__, 'arrayToString' ), $list ) );
1080         }
1081
1082         /**
1083          * Convert an array or object to a string for display.
1084          *
1085          * @param mixed $list Will convert an array to string if given and return
1086          *   the parameter unaltered otherwise
1087          *
1088          * @return mixed
1089          */
1090         public static function arrayToString( $list ) {
1091                 if ( is_array( $list ) && count( $list ) == 1 ) {
1092                         $list = $list[0];
1093                 }
1094                 if ( is_object( $list ) ) {
1095                         $class = wfMessage( 'parentheses' )->params( get_class( $list ) )->escaped();
1096
1097                         return $class;
1098                 } elseif ( !is_array( $list ) ) {
1099                         return $list;
1100                 } else {
1101                         if ( is_object( $list[0] ) ) {
1102                                 $class = get_class( $list[0] );
1103                         } else {
1104                                 $class = $list[0];
1105                         }
1106
1107                         return wfMessage( 'parentheses' )->params( "$class, {$list[1]}" )->escaped();
1108                 }
1109         }
1110
1111         /**
1112          * Get an associative array of information about a given path, from its .svn
1113          * subdirectory. Returns false on error, such as if the directory was not
1114          * checked out with subversion.
1115          *
1116          * Returned keys are:
1117          *    Required:
1118          *        checkout-rev          The revision which was checked out
1119          *    Optional:
1120          *        directory-rev         The revision when the directory was last modified
1121          *        url                   The subversion URL of the directory
1122          *        repo-url              The base URL of the repository
1123          *        viewvc-url            A ViewVC URL pointing to the checked-out revision
1124          * @param string $dir
1125          * @return array|bool
1126          */
1127         public static function getSvnInfo( $dir ) {
1128                 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
1129                 $entries = $dir . '/.svn/entries';
1130
1131                 if ( !file_exists( $entries ) ) {
1132                         return false;
1133                 }
1134
1135                 $lines = file( $entries );
1136                 if ( !count( $lines ) ) {
1137                         return false;
1138                 }
1139
1140                 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
1141                 if ( preg_match( '/^<\?xml/', $lines[0] ) ) {
1142                         // subversion is release <= 1.3
1143                         if ( !function_exists( 'simplexml_load_file' ) ) {
1144                                 // We could fall back to expat... YUCK
1145                                 return false;
1146                         }
1147
1148                         // SimpleXml whines about the xmlns...
1149                         wfSuppressWarnings();
1150                         $xml = simplexml_load_file( $entries );
1151                         wfRestoreWarnings();
1152
1153                         if ( $xml ) {
1154                                 foreach ( $xml->entry as $entry ) {
1155                                         if ( $xml->entry[0]['name'] == '' ) {
1156                                                 // The directory entry should always have a revision marker.
1157                                                 if ( $entry['revision'] ) {
1158                                                         return array( 'checkout-rev' => intval( $entry['revision'] ) );
1159                                                 }
1160                                         }
1161                                 }
1162                         }
1163
1164                         return false;
1165                 }
1166
1167                 // Subversion is release 1.4 or above.
1168                 if ( count( $lines ) < 11 ) {
1169                         return false;
1170                 }
1171
1172                 $info = array(
1173                         'checkout-rev' => intval( trim( $lines[3] ) ),
1174                         'url' => trim( $lines[4] ),
1175                         'repo-url' => trim( $lines[5] ),
1176                         'directory-rev' => intval( trim( $lines[10] ) )
1177                 );
1178
1179                 if ( isset( self::$viewvcUrls[$info['repo-url']] ) ) {
1180                         $viewvc = str_replace(
1181                                 $info['repo-url'],
1182                                 self::$viewvcUrls[$info['repo-url']],
1183                                 $info['url']
1184                         );
1185
1186                         $viewvc .= '/?pathrev=';
1187                         $viewvc .= urlencode( $info['checkout-rev'] );
1188                         $info['viewvc-url'] = $viewvc;
1189                 }
1190
1191                 return $info;
1192         }
1193
1194         /**
1195          * Retrieve the revision number of a Subversion working directory.
1196          *
1197          * @param string $dir Directory of the svn checkout
1198          *
1199          * @return int Revision number
1200          */
1201         public static function getSvnRevision( $dir ) {
1202                 $info = self::getSvnInfo( $dir );
1203
1204                 if ( $info === false ) {
1205                         return false;
1206                 } elseif ( isset( $info['checkout-rev'] ) ) {
1207                         return $info['checkout-rev'];
1208                 } else {
1209                         return false;
1210                 }
1211         }
1212
1213         /**
1214          * @param string $dir Directory of the git checkout
1215          * @return bool|string Sha1 of commit HEAD points to
1216          */
1217         public static function getGitHeadSha1( $dir ) {
1218                 $repo = new GitInfo( $dir );
1219
1220                 return $repo->getHeadSHA1();
1221         }
1222
1223         /**
1224          * @param string $dir Directory of the git checkout
1225          * @return bool|string Branch currently checked out
1226          */
1227         public static function getGitCurrentBranch( $dir ) {
1228                 $repo = new GitInfo( $dir );
1229                 return $repo->getCurrentBranch();
1230         }
1231
1232         /**
1233          * Get the list of entry points and their URLs
1234          * @return string Wikitext
1235          */
1236         public function getEntryPointInfo() {
1237                 global $wgArticlePath, $wgScriptPath;
1238                 $scriptPath = $wgScriptPath ? $wgScriptPath : "/";
1239                 $entryPoints = array(
1240                         'version-entrypoints-articlepath' => $wgArticlePath,
1241                         'version-entrypoints-scriptpath' => $scriptPath,
1242                         'version-entrypoints-index-php' => wfScript( 'index' ),
1243                         'version-entrypoints-api-php' => wfScript( 'api' ),
1244                         'version-entrypoints-load-php' => wfScript( 'load' ),
1245                 );
1246
1247                 $language = $this->getLanguage();
1248                 $thAttribures = array(
1249                         'dir' => $language->getDir(),
1250                         'lang' => $language->getHtmlCode()
1251                 );
1252                 $out = Html::element(
1253                                 'h2',
1254                                 array( 'id' => 'mw-version-entrypoints' ),
1255                                 $this->msg( 'version-entrypoints' )->text()
1256                         ) .
1257                         Html::openElement( 'table',
1258                                 array(
1259                                         'class' => 'wikitable plainlinks',
1260                                         'id' => 'mw-version-entrypoints-table',
1261                                         'dir' => 'ltr',
1262                                         'lang' => 'en'
1263                                 )
1264                         ) .
1265                         Html::openElement( 'tr' ) .
1266                         Html::element(
1267                                 'th',
1268                                 $thAttribures,
1269                                 $this->msg( 'version-entrypoints-header-entrypoint' )->text()
1270                         ) .
1271                         Html::element(
1272                                 'th',
1273                                 $thAttribures,
1274                                 $this->msg( 'version-entrypoints-header-url' )->text()
1275                         ) .
1276                         Html::closeElement( 'tr' );
1277
1278                 foreach ( $entryPoints as $message => $value ) {
1279                         $url = wfExpandUrl( $value, PROTO_RELATIVE );
1280                         $out .= Html::openElement( 'tr' ) .
1281                                 // ->text() looks like it should be ->parse(), but this function
1282                                 // returns wikitext, not HTML, boo
1283                                 Html::rawElement( 'td', array(), $this->msg( $message )->text() ) .
1284                                 Html::rawElement( 'td', array(), Html::rawElement( 'code', array(), "[$url $value]" ) ) .
1285                                 Html::closeElement( 'tr' );
1286                 }
1287
1288                 $out .= Html::closeElement( 'table' );
1289
1290                 return $out;
1291         }
1292
1293         protected function getGroupName() {
1294                 return 'wiki';
1295         }
1296 }