Making https svnroot point to https viewvc, not https viewvc to https viewvc, as...
[lhc/web/wiklou.git] / 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
33 protected $firstExtOpened = false;
34
35 protected static $extensionTypes = false;
36
37 protected static $viewvcUrls = array(
38 'svn+ssh://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
39 'http://svn.wikimedia.org/svnroot/mediawiki' => 'http://svn.wikimedia.org/viewvc/mediawiki',
40 'https://svn.wikimedia.org/svnroot/mediawiki' => 'https://svn.wikimedia.org/viewvc/mediawiki',
41 );
42
43 public function __construct(){
44 parent::__construct( 'Version' );
45 }
46
47 /**
48 * main()
49 */
50 public function execute( $par ) {
51 global $wgSpecialVersionShowHooks;
52
53 $this->setHeaders();
54 $this->outputHeader();
55 $out = $this->getOutput();
56 $out->allowClickjacking();
57
58 $text =
59 $this->getMediaWikiCredits() .
60 $this->softwareInformation() .
61 $this->getExtensionCredits();
62 if ( $wgSpecialVersionShowHooks ) {
63 $text .= $this->getWgHooks();
64 }
65
66 $out->addWikiText( $text );
67 $out->addHTML( $this->IPInfo() );
68
69 if ( $this->getRequest()->getVal( 'easteregg' ) ) {
70 if ( $this->showEasterEgg() ) {
71 // TODO: put something interesting here
72 }
73 }
74 }
75
76 /**
77 * Returns wiki text showing the license information.
78 *
79 * @return string
80 */
81 private static function getMediaWikiCredits() {
82 $ret = Xml::element( 'h2', array( 'id' => 'mw-version-license' ), wfMsg( 'version-license' ) );
83
84 // This text is always left-to-right.
85 $ret .= '<div>';
86 $ret .= "__NOTOC__
87 " . self::getCopyrightAndAuthorList() . "\n
88 " . wfMsg( 'version-license-info' );
89 $ret .= '</div>';
90
91 return str_replace( "\t\t", '', $ret ) . "\n";
92 }
93
94 /**
95 * Get the "MediaWiki is copyright 2001-20xx by lots of cool guys" text
96 *
97 * @return String
98 */
99 public static function getCopyrightAndAuthorList() {
100 global $wgLang;
101
102 $authorList = array(
103 'Magnus Manske', 'Brion Vibber', 'Lee Daniel Crocker',
104 'Tim Starling', 'Erik Möller', 'Gabriel Wicke', 'Ævar Arnfjörð Bjarmason',
105 'Niklas Laxström', 'Domas Mituzas', 'Rob Church', 'Yuri Astrakhan',
106 'Aryeh Gregor', 'Aaron Schulz', 'Andrew Garrett', 'Raimond Spekking',
107 'Alexandre Emsenhuber', 'Siebrand Mazeland', 'Chad Horohoe',
108 'Roan Kattouw', 'Trevor Parscal', 'Bryan Tong Minh', 'Sam Reed',
109 'Victor Vasiliev', 'Rotem Liss', 'Platonides', 'Antoine Musso',
110 wfMsg( 'version-poweredby-others' )
111 );
112
113 return wfMsg( 'version-poweredby-credits', date( 'Y' ),
114 $wgLang->listToText( $authorList ) );
115 }
116
117 /**
118 * Returns wiki text showing the third party software versions (apache, php, mysql).
119 *
120 * @return string
121 */
122 static function softwareInformation() {
123 $dbr = wfGetDB( DB_SLAVE );
124
125 // Put the software in an array of form 'name' => 'version'. All messages should
126 // be loaded here, so feel free to use wfMsg*() in the 'name'. Raw HTML or wikimarkup
127 // can be used.
128 $software = array();
129 $software['[https://www.mediawiki.org/ MediaWiki]'] = self::getVersionLinked();
130 $software['[http://www.php.net/ PHP]'] = phpversion() . " (" . php_sapi_name() . ")";
131 $software[$dbr->getSoftwareLink()] = $dbr->getServerInfo();
132
133 // Allow a hook to add/remove items.
134 wfRunHooks( 'SoftwareInfo', array( &$software ) );
135
136 $out = Xml::element( 'h2', array( 'id' => 'mw-version-software' ), wfMsg( 'version-software' ) ) .
137 Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-software' ) ) .
138 "<tr>
139 <th>" . wfMsg( 'version-software-product' ) . "</th>
140 <th>" . wfMsg( 'version-software-version' ) . "</th>
141 </tr>\n";
142
143 foreach( $software as $name => $version ) {
144 $out .= "<tr>
145 <td>" . $name . "</td>
146 <td dir=\"ltr\">" . $version . "</td>
147 </tr>\n";
148 }
149
150 return $out . Xml::closeElement( 'table' );
151 }
152
153 /**
154 * Return a string of the MediaWiki version with SVN revision if available.
155 *
156 * @param $flags String
157 * @return mixed
158 */
159 public static function getVersion( $flags = '' ) {
160 global $wgVersion, $IP;
161 wfProfileIn( __METHOD__ );
162
163 $gitInfo = self::getGitHeadSha1( $IP );
164 $svnInfo = self::getSvnInfo( $IP );
165 if ( !$svnInfo && !$gitInfo ) {
166 $version = $wgVersion;
167 } elseif ( $gitInfo ) {
168 $shortSha1 = substr( $gitInfo, 0, 7 );
169 $version = "$wgVersion ($shortSha1)";
170 } elseif ( $flags === 'nodb' ) {
171 $version = "$wgVersion (r{$info['checkout-rev']})";
172 } else {
173 $version = $wgVersion . ' ' .
174 wfMsg(
175 'version-svn-revision',
176 isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
177 $info['checkout-rev']
178 );
179 }
180
181 wfProfileOut( __METHOD__ );
182 return $version;
183 }
184
185 /**
186 * Return a wikitext-formatted string of the MediaWiki version with a link to
187 * the SVN revision or the git SHA1 of head if available.
188 * Git is prefered over Svn
189 * The fallback is just $wgVersion
190 *
191 * @return mixed
192 */
193 public static function getVersionLinked() {
194 global $wgVersion;
195 wfProfileIn( __METHOD__ );
196
197 if( $gitVersion = self::getVersionLinkedGit() ) {
198 $v = $gitVersion;
199 } elseif( $svnVersion = self::getVersionLinkedSvn() ) {
200 $v = $svnVersion;
201 } else {
202 $v = $wgVersion; // fallback
203 }
204
205 wfProfileOut( __METHOD__ );
206 return $v;
207 }
208
209 /**
210 * @return string wgVersion + a link to subversion revision of svn BASE
211 */
212 private static function getVersionLinkedSvn() {
213 global $wgVersion, $IP;
214
215 $info = self::getSvnInfo( $IP );
216 if( !isset( $info['checkout-rev'] ) ) {
217 return false;
218 }
219
220 $linkText = wfMsg(
221 'version-svn-revision',
222 isset( $info['directory-rev'] ) ? $info['directory-rev'] : '',
223 $info['checkout-rev']
224 );
225
226 if ( isset( $info['viewvc-url'] ) ) {
227 $version = "$wgVersion [{$info['viewvc-url']} $linkText]";
228 } else {
229 $version = "$wgVersion $linkText";
230 }
231
232 return $version;
233 }
234
235 /**
236 * @return bool|string wgVersion + HEAD sha1 stripped to the first 7 chars. False on failure
237 */
238 private static function getVersionLinkedGit() {
239 global $wgVersion, $IP;
240
241 $gitInfo = new GitInfo( $IP );
242 $headSHA1 = $gitInfo->getHeadSHA1();
243 if( !$headSHA1 ) {
244 return false;
245 }
246
247 $shortSHA1 = '(' . substr( $headSHA1, 0, 7 ) . ')';
248 $viewerUrl = $gitInfo->getHeadViewUrl();
249 if ( $viewerUrl !== false ) {
250 $shortSHA1 = "[$viewerUrl $shortSHA1]";
251 }
252 return "$wgVersion $shortSHA1";
253 }
254
255 /**
256 * Returns an array with the base extension types.
257 * Type is stored as array key, the message as array value.
258 *
259 * TODO: ideally this would return all extension types, including
260 * those added by SpecialVersionExtensionTypes. This is not possible
261 * since this hook is passing along $this though.
262 *
263 * @since 1.17
264 *
265 * @return array
266 */
267 public static function getExtensionTypes() {
268 if ( self::$extensionTypes === false ) {
269 self::$extensionTypes = array(
270 'specialpage' => wfMsg( 'version-specialpages' ),
271 'parserhook' => wfMsg( 'version-parserhooks' ),
272 'variable' => wfMsg( 'version-variables' ),
273 'media' => wfMsg( 'version-mediahandlers' ),
274 'antispam' => wfMsg( 'version-antispam' ),
275 'skin' => wfMsg( 'version-skins' ),
276 'api' => wfMsg( 'version-api' ),
277 'other' => wfMsg( 'version-other' ),
278 );
279
280 wfRunHooks( 'ExtensionTypes', array( &self::$extensionTypes ) );
281 }
282
283 return self::$extensionTypes;
284 }
285
286 /**
287 * Returns the internationalized name for an extension type.
288 *
289 * @since 1.17
290 *
291 * @param $type String
292 *
293 * @return string
294 */
295 public static function getExtensionTypeName( $type ) {
296 $types = self::getExtensionTypes();
297 return isset( $types[$type] ) ? $types[$type] : $types['other'];
298 }
299
300 /**
301 * Generate wikitext showing extensions name, URL, author and description.
302 *
303 * @return String: Wikitext
304 */
305 function getExtensionCredits() {
306 global $wgExtensionCredits, $wgExtensionFunctions, $wgParser;
307
308 if ( !count( $wgExtensionCredits ) && !count( $wgExtensionFunctions ) ) {
309 return '';
310 }
311
312 $extensionTypes = self::getExtensionTypes();
313
314 /**
315 * @deprecated as of 1.17, use hook ExtensionTypes instead.
316 */
317 wfRunHooks( 'SpecialVersionExtensionTypes', array( &$this, &$extensionTypes ) );
318
319 $out = Xml::element( 'h2', array( 'id' => 'mw-version-ext' ), wfMsg( 'version-extensions' ) ) .
320 Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-ext' ) );
321
322 // Make sure the 'other' type is set to an array.
323 if ( !array_key_exists( 'other', $wgExtensionCredits ) ) {
324 $wgExtensionCredits['other'] = array();
325 }
326
327 // Find all extensions that do not have a valid type and give them the type 'other'.
328 foreach ( $wgExtensionCredits as $type => $extensions ) {
329 if ( !array_key_exists( $type, $extensionTypes ) ) {
330 $wgExtensionCredits['other'] = array_merge( $wgExtensionCredits['other'], $extensions );
331 }
332 }
333
334 // Loop through the extension categories to display their extensions in the list.
335 foreach ( $extensionTypes as $type => $message ) {
336 if ( $type != 'other' ) {
337 $out .= $this->getExtensionCategory( $type, $message );
338 }
339 }
340
341 // We want the 'other' type to be last in the list.
342 $out .= $this->getExtensionCategory( 'other', $extensionTypes['other'] );
343
344 if ( count( $wgExtensionFunctions ) ) {
345 $out .= $this->openExtType( wfMsg( 'version-extension-functions' ), 'extension-functions' );
346 $out .= '<tr><td colspan="4">' . $this->listToText( $wgExtensionFunctions ) . "</td></tr>\n";
347 }
348
349 $tags = $wgParser->getTags();
350 $cnt = count( $tags );
351
352 if ( $cnt ) {
353 for ( $i = 0; $i < $cnt; ++$i ) {
354 $tags[$i] = "&lt;{$tags[$i]}&gt;";
355 }
356 $out .= $this->openExtType( wfMsg( 'version-parser-extensiontags' ), 'parser-tags' );
357 $out .= '<tr><td colspan="4">' . $this->listToText( $tags ). "</td></tr>\n";
358 }
359
360 $fhooks = $wgParser->getFunctionHooks();
361 if( count( $fhooks ) ) {
362 $out .= $this->openExtType( wfMsg( 'version-parser-function-hooks' ), 'parser-function-hooks' );
363 $out .= '<tr><td colspan="4">' . $this->listToText( $fhooks ) . "</td></tr>\n";
364 }
365
366 $out .= Xml::closeElement( 'table' );
367
368 return $out;
369 }
370
371 /**
372 * Creates and returns the HTML for a single extension category.
373 *
374 * @since 1.17
375 *
376 * @param $type String
377 * @param $message String
378 *
379 * @return string
380 */
381 protected function getExtensionCategory( $type, $message ) {
382 global $wgExtensionCredits;
383
384 $out = '';
385
386 if ( array_key_exists( $type, $wgExtensionCredits ) && count( $wgExtensionCredits[$type] ) > 0 ) {
387 $out .= $this->openExtType( $message, 'credits-' . $type );
388
389 usort( $wgExtensionCredits[$type], array( $this, 'compare' ) );
390
391 foreach ( $wgExtensionCredits[$type] as $extension ) {
392 $out .= $this->getCreditsForExtension( $extension );
393 }
394 }
395
396 return $out;
397 }
398
399 /**
400 * Callback to sort extensions by type.
401 * @param $a array
402 * @param $b array
403 * @return int
404 */
405 function compare( $a, $b ) {
406 if( $a['name'] === $b['name'] ) {
407 return 0;
408 } else {
409 return $this->getLanguage()->lc( $a['name'] ) > $this->getLanguage()->lc( $b['name'] )
410 ? 1
411 : -1;
412 }
413 }
414
415 /**
416 * Creates and formats the credits for a single extension and returns this.
417 *
418 * @param $extension Array
419 *
420 * @return string
421 */
422 function getCreditsForExtension( array $extension ) {
423 $name = isset( $extension['name'] ) ? $extension['name'] : '[no name]';
424
425 $vcsText = false;
426
427 if ( isset( $extension['path'] ) ) {
428 $gitInfo = new GitInfo( dirname( $extension['path'] ) );
429 $gitHeadSHA1 = $gitInfo->getHeadSHA1();
430 if ( $gitHeadSHA1 !== false ) {
431 $vcsText = substr( $gitHeadSHA1, 0, 7 );
432 $gitViewerUrl = $gitInfo->getHeadViewUrl();
433 if ( $gitViewerUrl !== false ) {
434 $vcsText = "[$gitViewerUrl $vcsText]";
435 }
436 } else {
437 $svnInfo = self::getSvnInfo( dirname( $extension['path'] ) );
438 # Make subversion text/link.
439 if ( $svnInfo !== false ) {
440 $directoryRev = isset( $svnInfo['directory-rev'] ) ? $svnInfo['directory-rev'] : null;
441 $vcsText = wfMsg( 'version-svn-revision', $directoryRev, $svnInfo['checkout-rev'] );
442 $vcsText = isset( $svnInfo['viewvc-url'] ) ? '[' . $svnInfo['viewvc-url'] . " $vcsText]" : $vcsText;
443 }
444 }
445 }
446
447 # Make main link (or just the name if there is no URL).
448 if ( isset( $extension['url'] ) ) {
449 $mainLink = "[{$extension['url']} $name]";
450 } else {
451 $mainLink = $name;
452 }
453
454 if ( isset( $extension['version'] ) ) {
455 $versionText = '<span class="mw-version-ext-version">' .
456 wfMsg( 'version-version', $extension['version'] ) .
457 '</span>';
458 } else {
459 $versionText = '';
460 }
461
462 # Make description text.
463 $description = isset ( $extension['description'] ) ? $extension['description'] : '';
464
465 if( isset ( $extension['descriptionmsg'] ) ) {
466 # Look for a localized description.
467 $descriptionMsg = $extension['descriptionmsg'];
468
469 if( is_array( $descriptionMsg ) ) {
470 $descriptionMsgKey = $descriptionMsg[0]; // Get the message key
471 array_shift( $descriptionMsg ); // Shift out the message key to get the parameters only
472 array_map( "htmlspecialchars", $descriptionMsg ); // For sanity
473 $description = wfMsg( $descriptionMsgKey, $descriptionMsg );
474 } else {
475 $description = wfMsg( $descriptionMsg );
476 }
477 }
478
479 if ( $vcsText !== false ) {
480 $extNameVer = "<tr>
481 <td><em>$mainLink $versionText</em></td>
482 <td><em>$vcsText</em></td>";
483 } else {
484 $extNameVer = "<tr>
485 <td colspan=\"2\"><em>$mainLink $versionText</em></td>";
486 }
487
488 $author = isset ( $extension['author'] ) ? $extension['author'] : array();
489 $extDescAuthor = "<td>$description</td>
490 <td>" . $this->listAuthors( $author, false ) . "</td>
491 </tr>\n";
492
493 return $extNameVer . $extDescAuthor;
494 }
495
496 /**
497 * Generate wikitext showing hooks in $wgHooks.
498 *
499 * @return String: wikitext
500 */
501 private function getWgHooks() {
502 global $wgHooks;
503
504 if ( count( $wgHooks ) ) {
505 $myWgHooks = $wgHooks;
506 ksort( $myWgHooks );
507
508 $ret = Xml::element( 'h2', array( 'id' => 'mw-version-hooks' ), wfMsg( 'version-hooks' ) ) .
509 Xml::openElement( 'table', array( 'class' => 'wikitable', 'id' => 'sv-hooks' ) ) .
510 "<tr>
511 <th>" . wfMsg( 'version-hook-name' ) . "</th>
512 <th>" . wfMsg( 'version-hook-subscribedby' ) . "</th>
513 </tr>\n";
514
515 foreach ( $myWgHooks as $hook => $hooks ) {
516 $ret .= "<tr>
517 <td>$hook</td>
518 <td>" . $this->listToText( $hooks ) . "</td>
519 </tr>\n";
520 }
521
522 $ret .= Xml::closeElement( 'table' );
523 return $ret;
524 } else
525 return '';
526 }
527
528 private function openExtType( $text, $name = null ) {
529 $opt = array( 'colspan' => 4 );
530 $out = '';
531
532 if( $this->firstExtOpened ) {
533 // Insert a spacing line
534 $out .= '<tr class="sv-space">' . Html::element( 'td', $opt ) . "</tr>\n";
535 }
536 $this->firstExtOpened = true;
537
538 if( $name ) {
539 $opt['id'] = "sv-$name";
540 }
541
542 $out .= "<tr>" . Xml::element( 'th', $opt, $text ) . "</tr>\n";
543
544 return $out;
545 }
546
547 /**
548 * Get information about client's IP address.
549 *
550 * @return String: HTML fragment
551 */
552 private function IPInfo() {
553 $ip = str_replace( '--', ' - ', htmlspecialchars( $this->getRequest()->getIP() ) );
554 return "<!-- visited from $ip -->\n" .
555 "<span style='display:none'>visited from $ip</span>";
556 }
557
558 /**
559 * Return a formatted unsorted list of authors
560 *
561 * @param $authors mixed: string or array of strings
562 * @return String: HTML fragment
563 */
564 function listAuthors( $authors ) {
565 $list = array();
566 foreach( (array)$authors as $item ) {
567 if( $item == '...' ) {
568 $list[] = wfMsg( 'version-poweredby-others' );
569 } else {
570 $list[] = $item;
571 }
572 }
573 return $this->listToText( $list, false );
574 }
575
576 /**
577 * Convert an array of items into a list for display.
578 *
579 * @param $list Array of elements to display
580 * @param $sort Boolean: whether to sort the items in $list
581 *
582 * @return String
583 */
584 function listToText( $list, $sort = true ) {
585 $cnt = count( $list );
586
587 if ( $cnt == 1 ) {
588 // Enforce always returning a string
589 return (string)self::arrayToString( $list[0] );
590 } elseif ( $cnt == 0 ) {
591 return '';
592 } else {
593 if ( $sort ) {
594 sort( $list );
595 }
596 return $this->getLanguage()->listToText( array_map( array( __CLASS__, 'arrayToString' ), $list ) );
597 }
598 }
599
600 /**
601 * Convert an array or object to a string for display.
602 *
603 * @param $list Mixed: will convert an array to string if given and return
604 * the paramater unaltered otherwise
605 *
606 * @return Mixed
607 */
608 public static function arrayToString( $list ) {
609 if( is_array( $list ) && count( $list ) == 1 ) {
610 $list = $list[0];
611 }
612 if( is_object( $list ) ) {
613 $class = get_class( $list );
614 return "($class)";
615 } elseif ( !is_array( $list ) ) {
616 return $list;
617 } else {
618 if( is_object( $list[0] ) ) {
619 $class = get_class( $list[0] );
620 } else {
621 $class = $list[0];
622 }
623 return "($class, {$list[1]})";
624 }
625 }
626
627 /**
628 * Get an associative array of information about a given path, from its .svn
629 * subdirectory. Returns false on error, such as if the directory was not
630 * checked out with subversion.
631 *
632 * Returned keys are:
633 * Required:
634 * checkout-rev The revision which was checked out
635 * Optional:
636 * directory-rev The revision when the directory was last modified
637 * url The subversion URL of the directory
638 * repo-url The base URL of the repository
639 * viewvc-url A ViewVC URL pointing to the checked-out revision
640 * @param $dir string
641 * @return array|bool
642 */
643 public static function getSvnInfo( $dir ) {
644 // http://svnbook.red-bean.com/nightly/en/svn.developer.insidewc.html
645 $entries = $dir . '/.svn/entries';
646
647 if( !file_exists( $entries ) ) {
648 return false;
649 }
650
651 $lines = file( $entries );
652 if ( !count( $lines ) ) {
653 return false;
654 }
655
656 // check if file is xml (subversion release <= 1.3) or not (subversion release = 1.4)
657 if( preg_match( '/^<\?xml/', $lines[0] ) ) {
658 // subversion is release <= 1.3
659 if( !function_exists( 'simplexml_load_file' ) ) {
660 // We could fall back to expat... YUCK
661 return false;
662 }
663
664 // SimpleXml whines about the xmlns...
665 wfSuppressWarnings();
666 $xml = simplexml_load_file( $entries );
667 wfRestoreWarnings();
668
669 if( $xml ) {
670 foreach( $xml->entry as $entry ) {
671 if( $xml->entry[0]['name'] == '' ) {
672 // The directory entry should always have a revision marker.
673 if( $entry['revision'] ) {
674 return array( 'checkout-rev' => intval( $entry['revision'] ) );
675 }
676 }
677 }
678 }
679
680 return false;
681 }
682
683 // Subversion is release 1.4 or above.
684 if ( count( $lines ) < 11 ) {
685 return false;
686 }
687
688 $info = array(
689 'checkout-rev' => intval( trim( $lines[3] ) ),
690 'url' => trim( $lines[4] ),
691 'repo-url' => trim( $lines[5] ),
692 'directory-rev' => intval( trim( $lines[10] ) )
693 );
694
695 if ( isset( self::$viewvcUrls[$info['repo-url']] ) ) {
696 $viewvc = str_replace(
697 $info['repo-url'],
698 self::$viewvcUrls[$info['repo-url']],
699 $info['url']
700 );
701
702 $viewvc .= '/?pathrev=';
703 $viewvc .= urlencode( $info['checkout-rev'] );
704 $info['viewvc-url'] = $viewvc;
705 }
706
707 return $info;
708 }
709
710 /**
711 * Retrieve the revision number of a Subversion working directory.
712 *
713 * @param $dir String: directory of the svn checkout
714 *
715 * @return Integer: revision number as int
716 */
717 public static function getSvnRevision( $dir ) {
718 $info = self::getSvnInfo( $dir );
719
720 if ( $info === false ) {
721 return false;
722 } elseif ( isset( $info['checkout-rev'] ) ) {
723 return $info['checkout-rev'];
724 } else {
725 return false;
726 }
727 }
728
729 /**
730 * @param $dir String: directory of the git checkout
731 * @return bool|String sha1 of commit HEAD points to
732 */
733 public static function getGitHeadSha1( $dir ) {
734 $repo = new GitInfo( $dir );
735 return $repo->getHeadSHA1();
736 }
737
738 function showEasterEgg() {
739 $rx = $rp = $xe = '';
740 $alpha = array("", "kbQW", "\$\n()");
741 $beta = implode( "', '", $alpha);
742 $juliet = 'echo $delta + strrev($foxtrot) - $alfa + $wgVersion . base64_decode($bravo) * $charlie';
743 for ( $i = 1; $i <= 4; $i++ ) {
744 $rx .= '([^j]*)J';
745 $rp .= "+(\\$i)";
746 }
747
748 $rx = "/$rx/Sei";
749 $O = substr("$alpha')", 1);
750 for ( $i = 1; $i <= strlen( $rx ) / 3; $i++ ) {
751 $rx[$i-1] = strtolower( $rx[$i-1] );
752 }
753 $ry = ".*?(.((.)(.))).{1,3}(.)(.{1,$i})(\\4.\\3)(.).*";
754 $ry = "/$ry/Sei";
755 $O = substr("$beta')", 1);
756 preg_match_all('/(?<=\$)[[:alnum:]]*/',substr($juliet, 0, $i<<1), $charlie);
757 foreach( $charlie[0] as $bravo ) {
758 $$bravo =& $xe;
759 }
760 $xe = 'xe=<<<mo/./hfromowoxv=<<<m
761 쵍潅旅𞗎왎캎𐺆ߨ趥䲀쫥𒯡𚦄𚬀Ꝍ螃䤎꤯溃𔱢櫅褡䞠⽬✡栠迤⾏𐵥쾃𜜧줏袏浣।궇䬃꼁꿤𘐧
762 𞛁윥桯䦎䵎Ꞅ𚠣涁쭀讀撠蝠讄伣𞫡枮ⵇ𚥣𐡃𐭏沢𞜄𞴏𞻧⠤쳯蒣䮎𒵬컡豣ۅ𐯥⦇𐫁漅蛁꼤从楆
763 ⥀䡦𚭅沢⠬輁䲯좡梇䟇伄육较촅䥃要𞝄迯쟠꺃ⶥ栆궀撠満ꐣ𞦇좧𐠅𞫠𐠧𚮣讇輤亀➏欣첡쮧⽬
764 氀쮧跧𐫥䪀⬬⾅𞼀ⵏ괬ত櫤䭀楦𚫃𐣂괥챣𐥇楀귧읠죯쒡ۅ𐾤䳄䤄𞽀괬躏譇䮄搥𚬁䯄津䶮⾅𐫅
765 𐴂௧쮯궣輥ߡ亀𞪀氀诤𐯢⿅諃⫤𞦁䮣⦬죄椎貧𞛄ඇ쿇亏跤⦌术থۏ仆䛇枡䪄𐵇곁謠𞿯ⶏⶃ䞣
766 궥螏蝁ꤣ⟬极涇𞴧伢𞼯ଅ𚣡즡⡌浣䯇쿃ⳇ궏ས⢃曦⦥蛧갠컡楧𘬧袏⦏⢠䳠챤⽧𚠧⬣⼀潧⭅椤
767 𞟯軁종쵃䬆𞮀𞮅꤇𞣅溎楯곡⢡꾥첥쫧Ⱨ균檏辀䭮⡄𐞯쿁䱤𐠠柅迠웏𚟯⾅豠𐡀𐡅䱀轡⾯쥃⥁溆
768 䢣䞮柄ꠌⶡ𞒯𐳣𞳅蛤椏𞯀✠귬ຄ𐷡𞜠䶃𞭀毥𞡯桥ꐥ❣쳀𞾧⡧𖥢꽧죄ത𖴧ޥ歠ແ위䯎撯쬁䮣浅
769 쾇泮𐢁켄𞧧𞦏䦯꾯迡𞐯曎䢦쿣杦궯⡀䤦䷢𐭢쟁쯯⧤蟯䡏氇𒭯𔜧𞢣𞱏蝤𒬧궧ߢ𐭆䛃찃쭣沠𚬀𞿏
770 䴃𐣣䣎𐺃ꥅ轃⣄蟧⦡𒛧蟃毣洇䞎Ҡ潄仆𐲃𞧥철䢤俎譯泠쮄␥栏쾯ⳏ짡𞾯⥡𚠬߂𚥯ކ澥䲀ⵀ𞻃
771 ⵡ𚦣𒯣✬𐟯𞥥輄䱀굡榏❡첄⦄ꡥⶣ𞡤⺁𞞡ݣ𐢅𒷤⤡꿄蝡𞱁ⴄ贁𒛬氃𞞇𞶡ޅ짣߁𞱃𐫄ۥ𞰣𐱅欤
772 梢蝡柧䥏仏撣𐳣𞠅좇𞐣蒣䰤྅𚪏࿂ಇ濤䞦쮅𚬁𚭧𚬬𒴯𐵣𚥌沮潁좤澅𐻯杣棦ꤤ洯𐳃𚭀콅궧쭠𔥢
773 𞱠桎䝆겡쭄𞵁겯䥂ⶀ𐥂𚧬⽬䠇쳄❬Ⰼ𞵀䐦⿌웃𒿠첏𐛡浣涆𒯌⢤অ䭎𚜧갣𞾏䴮⡃꤯죠䰀쬯༄䫏
774 𐱂ꢅ䬦賧𐯡유辇➥佃仮귣젏𒴯⭅ꢡ각컄⒤⻠讁涅䠃跥袏佄𞝄𐳇泄껧𚮡𞱏棇满གྷ𐻯輤괅𚠬❥겠
775 𒐧䣂ꤏ襃𞼧𜰧伎襡웅𞳧걯䳣𚟡켁쭄洠컥❅⿏亂𚯧𚯯쯅𞮅⢁𐠦𒮠𚯣𞞥诤꣏辀𖥢椯겇毣濢𞝣𚢀➠
776 䮮浥겁沣졣䜦泇歏𐾄搯曯柆ۇۇ䞀泆𐾧武𚭠況꽌𐧢ꝅ軀⬠쾣𞡀榧𞣏𚦤Ⱡ䠦Ⲥ𞰯𞻥쿇䬄貃柅涢
777 갏⼁𐿧ݏౠ𐿣褀涡𘼧𞮏༅𞵡𐥆䮄𐮥➇ꝣݥ䡏䯎梢𚟇輇ꤠ䫣䵀ण漂𞬯⢡軀𚭅𐯆௦𚠤襁쫇⾡濧沤
778 䜇伢ۇ汧첏䤎잤䛯Ⰱ俇𞵃ꢧ殂궏榮ޣ𞼧涂氏𞬇滦즤蜀⠥𐺏쐣⾏껬콇漯Ꝡ柦櫇읁梠仇장滦⟠꿯
779 쮁搥櫢𐫣ꠏ𒮬椥𐛤誅栮朥迣⺄ඇ𞣣⿏䬂쾏⫠⒧✏궇襤⡁𞯇濃𚣠Ⱐ𚫤歯䛠𒛥𞫇쮠𞟤컃𞢯⬣濡䦣
780 衏貣柂𞳁森챏ಇ고𚫠蟄䤏젯𒮡⫯楀䞄䳣쮅궤轧껯𞥤𐪃𞶡潇ބ𚥣𐵇浣𐬀蝤⽧쐣쾇➣𞝀𐡦䮠䤣𐠄
781 Ꝡ𐾁蠤𞛡𞵀䬦覯搦⥯쥏梂걯𐾧ⵁ೦챁𚣌躄轡𐯣𞻥䢦𐝂財䲧𐦁䬎첁棏␣౦잧棆젥襁젃䤏⢏榀ⵁ
782 螅赡𒿯ⶣ赧꾤𚬅濁𒛏涆𐴂ॡ䳦ߢ赁䯇䢃ꠌ泄柠泡찇𐛢𞰏䪂𐝢櫇𚰧漥𐣄𞜤𐥁⟤淣ഡ䳮த谀ཡ𞾧
783 ➁血꽧蟧辧게⻣𚣣쳏ഡ䠄杮𞣠죃汦諤య毠蝅𐦄謄殯𞱄䳀ⳏ𞶁쟇ආ𐻢잏𐿡䳃ۂ𞭥䝇䦇⥌켏쥯춏
784 𖽢𐳃𒷡𚫥𚟇𐿧𚦧𐝢䥦𚯀棇潡⥄歡찁朆⻠䤆𖤧漢𜐧ꡅ⽄쾠𐥣衏𚥠𐥆䤣অ𞛇䤣𐡡𐢏䞦𖐧ߣ裏𚫁𐵤
785 ཅۄ춁䲃欆귬𐺀诀滁𞫇𐯇䝃𞧡챃첥𞭤꺏쫅𞫡䱮𞼤અ𒭤견Ф𐫁𐾧佣𖱢澢쿏𞛧⽅侮榅𐾄य쥏蜏䣣
786 𚥌𐫏쵥𚥡➤跡殃䰣䯤𞳥읤ⴏ굄𚬧⥇줡걬০켃𜼧𚧯첣䜂𞵇𚟀찃궀谀Ɽ伎䢮𒛄𚦀ꤥ⾣𐭁沅䬇䧠𐱇
787 沀濡ठ𞰄쟠𐺅ꐣ𐴂躄佇⦇毄计賀䢎澡𒮌䲄𒠧캀䟣𐷧褀𞻅蠤൯棏蜃𞮤澄❧⾥撦⽬ⶥ𐪄ய𔼧ބ躄
788 䬎챯𚫇⽯𐾠𞛠𚛧䬎Ꞅ굥𐢂𚠣⠥䝧朄𞧥࿏웥꽬གྷ浅⦁❬𐺆侢栦⧠𞛯궠ඦ𚭧趤谥此𐲂𐬃軠𚪅𐞦𞷤
789 蛄俧袥补榏읠⤁⠀豇俢쮯꤇➏𐴁ⶤ涮찣𒮇읁榠跣𜤧⦅ໃಆ𞛯䵣谠𞰅ꢯ⡧淯柤궡✠䮎괯𒮣❅朎
790 ⥅웣䯮첀𚫣꒤𐣠쭏洀蛡楆𚮣ൡ䮮ү氠𐜏濆䜢䷯潣歃䷯𞣡웁쭄椥䟂➅𒯣𒯤ૡༀ䭧ܣ죅𐯠ए軯䧣
791 Ⱔ䐢⬥檂䠮⫤䛠꜡䛆讠𚭄✠꿏欣蠡𐵆켏豣譄𞣇춣𒭯𐻢䠃䰠撦朅䮄榦溃貀𒯅䶇⾁𞬧澡𐻦䲮榀𞯧
792 𐪄䢆侄𞾏朦꜇𐮢ཏ𐯣췧꺁𞱃枠櫧桠괬枇ꜯ곇𐰂𘜧𐦄컡濦汥줠𞲡輀𞫃𐠣쥇⣃𞴏䳂⟤漇쯣껃𐾀衃
793 𚮄쯇𒼧𐝄浥洄楠৯춥蒧⾯𐫆༂ꤌ毮䤆⺄༠०袀䢂죃ⴣ𐿯梇溄毦𞼄螄櫤쳃栅満걌毠𞞏ⱌ𚮡꒧䢆
794 ꥁ泎𞭅仧궀辯諯웅𞳇津趃অ꿏伏𐵤캁⠃𐦂𐶀ꝣ䛂贤济杧𐝁撠䱤殥歡躇楄꒧꽧𞽧䡣쵧𒯃𐱆ꜯ위
795 ཀ谠諃𐬃軅␥𞰇贠撣߅꽤⠥ಡ𐝀궥윁𞳁Ⰴܯ즡歎𞷥ⵅഏ蝁𞟇구ꝧ܅䱦껡䛦߅蒯俧콣𚭅梧䛠ꡇ
796 ݧ𚮏웥Т⬠䬦榀𐢂貤𞰅𚭠謣䱦⒡췧𐥀濇⧣⤀좯殧𞬣줤⣀楏楎굏ݤ滁ۇ𘐧𚯯䒯Ⰰ𞼤ҡ䰦𚣠椯❏
797 趯𐣯豀쵅춀⳥䷠읡ۯ⺄ۅ䶏춤枂櫅ۅ𞥅䱃䭣𒳯汮澃𞢃谥ⵤ구𚣄콡曤𞣏ই߂읅蠠𜰧䞦ꞇⲏ𚮌諧
798 趯첏䬎𐡏李겠⥇𞻥曢汥𞳡浆欠躅𐦁𞲯谡𞦏袧襃棧𚦁𞡡蟀侠𒛏찇챠쪇洠܀쯤䝇螏𞿣蜏俄𞦡⼀ལ
799 谥촯䲦⥁ඤ𞛡𐐧⤃궅༡褡䭏毆濆⧡蛣Ф𞵇蠏ݤ賯꜁溅⡡ߡ𞥧䮄榆䵄求謥𐐧Ꞁ쯏⧡貇䛇䐢撦袥
800 쮇䫀𞜄দ굯𞦁⻤襇줅⬅ہఠ⻀𔠧쒠䫆𐡅梄梯輤䥣읏⤄ⶡ诃䮢譡𞻠ߤ枤櫥𐢥伦袠ꢃ쳀裣𞼅䰄𞻡
801 𒯇槥淠䯃ඏ⒯𚫣𚠯𞠣𚛄椦泮汣赃潥𚫇ദ𞛤𞿣䰏쮡𖭢蝏毁䶂䦧档䪂𞾃쟀𚪄𞞃𞳥𞼀𐿯졇웄䳎汀𐫣
802 漠𚫄ꐡଥ认꽡𐱏𐭏𚼧⦄梎આ枀䠦楇쒤ꞃꤡⴅꞅ𞯁අҡ𞞤氣즤裀𞜅𐵥櫁𐵀༦𐳃쳣𐡯桧𞿠权굁죁
803 짤𖤧蟃澀𒭏𞲯ߏ⣣⬁Ⱔ졥𚦌潆ꐡ⽤웁浥𞞃𐫄棆갤濧⼣겅쬄൧젣此潆⻯䜃꤯궠쮥𘬧曀⿅譅槣䞂
804 䝎ꡏ𚟣䰀梥⾬ܡ𞿇𞠥𐮠𞺃䢮આ䧮쮃誅櫆𚪃죯诠䵀䯀跥𐾣⻥䤆Ⰰ꜄棧枃⻇థ誃𚛁࿇贄𞡣欎⽡𞱁
805 𞲄⬏杇𐠅𐱃𞢤➁𐵤𐢄꒥즏亀쭁𚭡漆𞮇첁𐢦殎쮁滠𐠥榯𐮧𒵬⡀䮆䣠준讥𞼃䶇⪅껃泃𖱢楀갠複撮
806 ✡𐭢ແ𞮧𞛥쫃⽤規䥇沁轁𐡅ಢ䧮椁⬇𐤁𞡯杅武楥歎䟄溇䯢𒵬𐢣迃䪎䳤满ଅⱇ쭀ಥ𞥄䥆⧥𚞧좃
807 유栤༡𐰃俇Ⰵ殇蠄⽏⾠܇𒮄澄𚦅⡤䪎榮Я견濂賣쮠仠䝮䶢𞦏𐫆ݏ襅褥찯𞤤ݥ象侯쵇궥𞠃윀웧
808 𖰧殀蛡⫥亃觯潥蠀补ⴄ觧𐡇𐾆ꐯ䡣췡潏⻯⾁諏య꿧䱠𚭯찥ꞅ⪃콄즯쳣覧𞰄Ⲅ𞿣𚬧𞵤쐯⬃ඤ겤
809 ⵃ蟥𞟧谣轇䛂𐮄佀߁氣𒯧榡𒷬桇䷯觠椄챥ꠌ蒯꜌䭤➡侦䣤𚦬䲀쥁⒤𐦄Ꝭ䢮𐣅ꡌ歡䝯䢣괯𚮣⥀
810 줣०𚭀殣𚬥𒮇⟄趥좠洦ꢬ装䠆𒝠曧➁𒿧椃䠀𞡅𖼧䳇ງ줄ধ𞳁Ⱜ覠ꝃ殣𚯤涡䳠귥𐯁⫤覯𞲡𞼄༦
811 䢦쥥줤ꡤড젃ಧꢥ諤𔭢ඥ𒛌枅𖜧줄躀ఏ䦎𞯄졯譄➇仄䰏蛏촡䞣춅涧⡄滀ଢ䮇每𘠧𚯧侇澀ꐡ杣
812 𒷧槧߅䶠윥귡귧⤯𚪃𐷢ཆ裁毧𐥣𐯥⬤蝧첀⭁𞻡潤𞟃䝎池𞦀殤Ҡ𞵏䝯ཁ쟧𒰧氢귡𚛧𒿯ꥄ⭌䜇ۥ
813 ꝡ𞯯棄⣏ꤥ০𐯠𒷤𞦣쮁𞰠𚧡桧𐐧ⴤꠡ軅𞟃衄䠦ߤ܅ⲃଢ蛄溎椀𞠀䛃𞡣𞟣澅𚭬䧤⡇贤⫌쪄ށ朣
814 ⻏켅𐽢⼡𐲀잠௧𞬥𞥀౧䦤ས誇漎譠迄䦂䳇𞣡正𐵤계楧ޅ✬𞿯棅𞳧𞛤𞜀쭯𞮀诠𐥀枢䥮䭆楆컧ଆ
815 𞶇➬అ䤦誃𐠅𐿤䟀洀⡤𚟣滤𞥇𞾣즀𐠁⼃䰎溄꽅웇✡𐾥䲀⡏ܣ讣𞿥⼤覄𚯇䡇అ蝀⥌侧껄Ꝭ流贀
816 漁쒤첧죏곡⣃趃賄撠।읠ⶌ𚣅⾥춧𞞠쒡쿀𞦠䵯毁涠𞫀⣡ꡄ䢀満棃䡯𐛣୯䳯ⵡୡ䥃❇⠅䣆杧𐳃
817 귧覀𞼠漎𞴁𞤡ཇ䰦𞲣❃歆콣꿇朏𞢄𞵠Ꝍ𞡅賡𞧠曏꼃𞻯꼬ಇ𞴯资榎쮯輤ॡ䜎⦌𞶅𐠏𚧧⡃쳁𐵅࿀
818 𞒧𞝤쯣껧쪃𞣠椃쐡⟤߇웅䱧䛣𞷧𐳤𚬠쮀䠏𞭇꽣𞿇⠣쟣𞢅ദ洅촥컇𚦁쵡ꞅ䠆𐥇⒥涯䐢ⴅ𒭡쮤꺅
819 𞥇컠ⳁ漃𐲃윇诤겣𞥄伣䜠⻇𞡀修꜡𞻣䳎❄켇꽡𘼧쭄洂𞟏꜠𐮦Ⰳ쵅𐬂梀櫯䜯꜡䛣༏杇⪀캄𞰠⼌
820 条𐳄没ⳅ➏𒮀첡❬侯캅检𞡧棡𞬄𞥧𞒠𞶄䥧𐳃𞻧𐝁ཧ謏𐫇𚯅讄枥𚞬첡쾀欎육웠𐭤୯濧譁챤䶢껤
821 𞯤쒤𐾂辧𞮡𚭏褡⼣𞼃䳃␠𞝁豁ߡ櫦𒮬极𞱥ⶠઇꝠ𐭤𞝇沣棁柄𐳂䠯楅곅⼣⥃ༀ螡ߥ柤褣曠沧꒬
822 𐴃䵂䲇蠀𐿧䲇ඦ𒯇⺁커謁𚣣𚫃컁漢䠀调ⲃ䢢ބ辅毡갯𚮁䤣椦𞲯१𞞠輯𘜧𐯣𐳅⽄𞽤𚧤𚬡䴆𞷠ଦ
823 䱠䒮諃ఏ𐠡桦𞟇𚭧谁𞻤𐡁쥡浣𞼇譀⫌쮥ꢅ컁曅ꥅ𞟅ଏ찀汅𐷦ೡ谠𞦥䬀𞴡䢠쳀⡏𐵃ߠߠඅ겧淤
824 쥣每譄꼠𒮣쫁쭥讥ॡ쿇𐾡ஆ伃⫠汇䜢衯楥济俏极𚣣撮쬅蜏⧤蛥쮁⥃𚯣것ஃ줠䣇迅泆𞟯𞰥⤯𐧣
825 𚥯萠泎ଡ蠄涣త⾏⻌䝧ༀ榮ү𐳃歂浅𞬄ꡥ첤⬇유𐶃讏欤俤잧⡌𞭥ⱁ춥氤𐠧修流쫤䵆𞠃܀웣𞶏
826 곧萡ꠀ걁𞟠认쮀𐽢谥잡𞼣佮𞺏軡⾁쮯ߡ⧯쟡䰆⽀굇촤认䵄輥𞦤𞲇䡮侢朆쬣搢⽃濃𞾄⣧𞶥柁༢
827 ⼅𞦀ॠ軀浯ܡ𒯡컡谤ඤ曢⧠짠컠𚠯꿡𐺀𒬧곌濂ণ웧⾡栅䞠괬ܤ䦄伏曀了ཡ榧䭦𒭯⛃衧濠𚐧읥
828 쵁𐛣⪅蜤𞤁装고𒯬쳅⻁ݣ䳆ৠ䐦𐮡ऄ⫏𐶁쿧䜎𐿣젡귧棥櫁쿣泯俣佦⾥朦潏ꢤ𞫣ꙧ𞂎𐺆ڦՈ췥
829 췧䙭䶍澥𞜅쨯쵥Ⱕ쵥䗌쵍潅旅暬Ոⵤ旆𞗎줭젠ৡ쮠┢𚴧𐵣潧𞾥𜔧𞑢贮𞽅跣쓄䔭𞷥⽇𞾅𞴥ꔥ䓭
830 ₎챍澥엇𞗎곭贇Ԇ쬡쩯䘠䯃𐯤湁𚚭Ո꽤엇𞗎ꔭ₎谥𐗇䗌쳭䙭䟍◎쳭䙍侭쾇쵤蓄䕍췥췧䓭◎쳭
831 䒭𞗎ߏ䓭亭è청𞻥䙭侭䷤擏䕍췤⽇䐍䕍ⵤ摆位ཧ𞗅暬è춍찤ⲥ䙭䔭𚚭è谥𐗇䗌첍䙭䟍◎䕍𐗄
832 엎ߏ◎첍⒬䓭亭è效𐱅궤◄虬䶭侄䗌꾄쓅䕍췥췧╂旄◌첍𞗂旌藂꾄쓅䕍ⵤ檦첍𞗂旌暬è𞂆效
833 꽤엇虬䕍𐱅궤⚤è챍澥엇𞗎춍찤ⲥ₎𞂆찭𞽇䙭侭쾇൧蓇䕍꽤엇暬೨藅䗌ⳇ查䗌찭𞽇䓭䙭𞙮䔭
834 枅ද𞝅➥赏𒶯ⵯඏ춥쟅ⵅ쟥𐵥螥ⴅ춯䟏췯淯䴏ꗍ旌₆效ꡁ𚦀桁⪣꼭𚠥𞽇𚩭𞘌ⱅ𞷥𐣇졣쓀暬è
835 줭젠ৡ쮠┢𚴧꽠𜔧𞑢跮쵅䭀𞡀䗌è斈쳮𞴤侭ට𞩎𐵍潅暅汤津𞐥࿄𞴥ⶎ澥𞜅쑏𐗍肌惨澈漥𞾇쵤
836 趤굄𞓅䶍澥𞜅쨯𞰅Ⱕ쵥䗌찭𞽇䓭䓭䐍è惨𐩍Э薎è擨₎𞗆
837 mowoxf=<<<moDzk=hgs8GbPbqrcbvagDdJkbe zk=zk>0kssss?zk-0k10000:zk kbe zk=DDzk<<3&0kssssJ|Dzk>>13JJ^3658 kbe zk=pueDzk&0kssJ.pueDzk>>8JJ?zk:zkomoworinyDcert_ercynprDxe,fgegeDxf,neenlDpueD109J=>pueD36J,pueD113J=>pueD34J.pueD92J. 0 .pueD34JJJ,fgegeDxv,neenlDpueD13J=>snyfr,pueD10J=>snyfrJJJJwo';
838
839 $haystack = preg_replace($ry, "$1$2$5$1_$7$89$i$5$6$8$O", $juliet);
840 return preg_replace( $rx, $rp, $haystack );
841 }
842 }