includes/skins/SkinTemplate.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 use MediaWiki\Auth\AuthManager;
  22 use MediaWiki\MediaWikiServices;
  23
  24 /**
  25  * Base class for template-based skins.
  26  *
  27  * Template-filler skin base class
  28  * Formerly generic PHPTal (http://phptal.sourceforge.net/) skin
  29  * Based on Brion's smarty skin
  30  * @copyright Copyright © Gabriel Wicke -- http://www.aulinx.de/
  31  *
  32  * @todo Needs some serious refactoring into functions that correspond
  33  * to the computations individual esi snippets need. Most importantly no body
  34  * parsing for most of those of course.
  35  *
  36  * @ingroup Skins
  37  */
  38 class SkinTemplate extends Skin {
  39         /**
  40          * @var string Name of our skin, it probably needs to be all lower case.
  41          *   Child classes should override the default.
  42          */
  43         public $skinname = 'monobook';
  44
  45         /**
  46          * @var string For QuickTemplate, the name of the subclass which will
  47          *   actually fill the template.  Child classes should override the default.
  48          */
  49         public $template = QuickTemplate::class;
  50
  51         public $thispage;
  52         public $titletxt;
  53         public $userpage;
  54         public $thisquery;
  55         public $loggedin;
  56         public $username;
  57         public $userpageUrlDetails;
  58
  59         /**
  60          * Add specific styles for this skin
  61          *
  62          * @param OutputPage $out
  63          */
  64         public function setupSkinUserCss( OutputPage $out ) {
  65                 $moduleStyles = [
  66                         'mediawiki.legacy.shared',
  67                         'mediawiki.legacy.commonPrint',
  68                         'mediawiki.sectionAnchor'
  69                 ];
  70                 if ( $out->isSyndicated() ) {
  71                         $moduleStyles[] = 'mediawiki.feedlink';
  72                 }
  73
  74                 // Deprecated since 1.26: Unconditional loading of mediawiki.ui.button
  75                 // on every page is deprecated. Express a dependency instead.
  76                 if ( strpos( $out->getHTML(), 'mw-ui-button' ) !== false ) {
  77                         $moduleStyles[] = 'mediawiki.ui.button';
  78                 }
  79
  80                 $out->addModuleStyles( $moduleStyles );
  81         }
  82
  83         /**
  84          * Create the template engine object; we feed it a bunch of data
  85          * and eventually it spits out some HTML. Should have interface
  86          * roughly equivalent to PHPTAL 0.7.
  87          *
  88          * @param string $classname
  89          * @param bool|string $repository Subdirectory where we keep template files
  90          * @param bool|string $cache_dir
  91          * @return QuickTemplate
  92          * @private
  93          */
  94         function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
  95                 return new $classname( $this->getConfig() );
  96         }
  97
  98         /**
  99          * Generates array of language links for the current page
 100          *
 101          * @return array
 102          */
 103         public function getLanguages() {
 104                 global $wgHideInterlanguageLinks;
 105                 if ( $wgHideInterlanguageLinks ) {
 106                         return [];
 107                 }
 108
 109                 $userLang = $this->getLanguage();
 110                 $languageLinks = [];
 111
 112                 foreach ( $this->getOutput()->getLanguageLinks() as $languageLinkText ) {
 113                         $class = 'interlanguage-link interwiki-' . explode( ':', $languageLinkText, 2 )[0];
 114
 115                         $languageLinkTitle = Title::newFromText( $languageLinkText );
 116                         if ( $languageLinkTitle ) {
 117                                 $ilInterwikiCode = $languageLinkTitle->getInterwiki();
 118                                 $ilLangName = Language::fetchLanguageName( $ilInterwikiCode );
 119
 120                                 if ( strval( $ilLangName ) === '' ) {
 121                                         $ilDisplayTextMsg = wfMessage( "interlanguage-link-$ilInterwikiCode" );
 122                                         if ( !$ilDisplayTextMsg->isDisabled() ) {
 123                                                 // Use custom MW message for the display text
 124                                                 $ilLangName = $ilDisplayTextMsg->text();
 125                                         } else {
 126                                                 // Last resort: fallback to the language link target
 127                                                 $ilLangName = $languageLinkText;
 128                                         }
 129                                 } else {
 130                                         // Use the language autonym as display text
 131                                         $ilLangName = $this->formatLanguageName( $ilLangName );
 132                                 }
 133
 134                                 // CLDR extension or similar is required to localize the language name;
 135                                 // otherwise we'll end up with the autonym again.
 136                                 $ilLangLocalName = Language::fetchLanguageName(
 137                                         $ilInterwikiCode,
 138                                         $userLang->getCode()
 139                                 );
 140
 141                                 $languageLinkTitleText = $languageLinkTitle->getText();
 142                                 if ( $ilLangLocalName === '' ) {
 143                                         $ilFriendlySiteName = wfMessage( "interlanguage-link-sitename-$ilInterwikiCode" );
 144                                         if ( !$ilFriendlySiteName->isDisabled() ) {
 145                                                 if ( $languageLinkTitleText === '' ) {
 146                                                         $ilTitle = wfMessage(
 147                                                                 'interlanguage-link-title-nonlangonly',
 148                                                                 $ilFriendlySiteName->text()
 149                                                         )->text();
 150                                                 } else {
 151                                                         $ilTitle = wfMessage(
 152                                                                 'interlanguage-link-title-nonlang',
 153                                                                 $languageLinkTitleText,
 154                                                                 $ilFriendlySiteName->text()
 155                                                         )->text();
 156                                                 }
 157                                         } else {
 158                                                 // we have nothing friendly to put in the title, so fall back to
 159                                                 // displaying the interlanguage link itself in the title text
 160                                                 // (similar to what is done in page content)
 161                                                 $ilTitle = $languageLinkTitle->getInterwiki() .
 162                                                         ":$languageLinkTitleText";
 163                                         }
 164                                 } elseif ( $languageLinkTitleText === '' ) {
 165                                         $ilTitle = wfMessage(
 166                                                 'interlanguage-link-title-langonly',
 167                                                 $ilLangLocalName
 168                                         )->text();
 169                                 } else {
 170                                         $ilTitle = wfMessage(
 171                                                 'interlanguage-link-title',
 172                                                 $languageLinkTitleText,
 173                                                 $ilLangLocalName
 174                                         )->text();
 175                                 }
 176
 177                                 $ilInterwikiCodeBCP47 = LanguageCode::bcp47( $ilInterwikiCode );
 178                                 $languageLink = [
 179                                         'href' => $languageLinkTitle->getFullURL(),
 180                                         'text' => $ilLangName,
 181                                         'title' => $ilTitle,
 182                                         'class' => $class,
 183                                         'link-class' => 'interlanguage-link-target',
 184                                         'lang' => $ilInterwikiCodeBCP47,
 185                                         'hreflang' => $ilInterwikiCodeBCP47,
 186                                 ];
 187                                 Hooks::run(
 188                                         'SkinTemplateGetLanguageLink',
 189                                         [ &$languageLink, $languageLinkTitle, $this->getTitle(), $this->getOutput() ]
 190                                 );
 191                                 $languageLinks[] = $languageLink;
 192                         }
 193                 }
 194
 195                 return $languageLinks;
 196         }
 197
 198         protected function setupTemplateForOutput() {
 199                 $request = $this->getRequest();
 200                 $user = $this->getUser();
 201                 $title = $this->getTitle();
 202
 203                 $tpl = $this->setupTemplate( $this->template, 'skins' );
 204
 205                 $this->thispage = $title->getPrefixedDBkey();
 206                 $this->titletxt = $title->getPrefixedText();
 207                 $this->userpage = $user->getUserPage()->getPrefixedText();
 208                 $query = [];
 209                 if ( !$request->wasPosted() ) {
 210                         $query = $request->getValues();
 211                         unset( $query['title'] );
 212                         unset( $query['returnto'] );
 213                         unset( $query['returntoquery'] );
 214                 }
 215                 $this->thisquery = wfArrayToCgi( $query );
 216                 $this->loggedin = $user->isLoggedIn();
 217                 $this->username = $user->getName();
 218
 219                 if ( $this->loggedin ) {
 220                         $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
 221                 } else {
 222                         # This won't be used in the standard skins, but we define it to preserve the interface
 223                         # To save time, we check for existence
 224                         $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
 225                 }
 226
 227                 return $tpl;
 228         }
 229
 230         /**
 231          * initialize various variables and generate the template
 232          *
 233          * @param OutputPage $out
 234          */
 235         function outputPage( OutputPage $out = null ) {
 236                 Profiler::instance()->setTemplated( true );
 237
 238                 $oldContext = null;
 239                 if ( $out !== null ) {
 240                         // Deprecated since 1.20, note added in 1.25
 241                         wfDeprecated( __METHOD__, '1.25' );
 242                         $oldContext = $this->getContext();
 243                         $this->setContext( $out->getContext() );
 244                 }
 245
 246                 $out = $this->getOutput();
 247
 248                 $this->initPage( $out );
 249                 $tpl = $this->prepareQuickTemplate();
 250                 // execute template
 251                 $res = $tpl->execute();
 252
 253                 // result may be an error
 254                 $this->printOrError( $res );
 255
 256                 if ( $oldContext ) {
 257                         $this->setContext( $oldContext );
 258                 }
 259         }
 260
 261         /**
 262          * Wrap the body text with language information and identifiable element
 263          *
 264          * @param Title $title
 265          * @param string $html body text
 266          * @return string html
 267          */
 268         protected function wrapHTML( $title, $html ) {
 269                 # An ID that includes the actual body text; without categories, contentSub, ...
 270                 $realBodyAttribs = [ 'id' => 'mw-content-text' ];
 271
 272                 # Add a mw-content-ltr/rtl class to be able to style based on text
 273                 # direction when the content is different from the UI language (only
 274                 # when viewing)
 275                 # Most information on special pages and file pages is in user language,
 276                 # rather than content language, so those will not get this
 277                 if ( Action::getActionName( $this ) === 'view' &&
 278                         ( !$title->inNamespaces( NS_SPECIAL, NS_FILE ) || $title->isRedirect() ) ) {
 279                         $pageLang = $title->getPageViewLanguage();
 280                         $realBodyAttribs['lang'] = $pageLang->getHtmlCode();
 281                         $realBodyAttribs['dir'] = $pageLang->getDir();
 282                         $realBodyAttribs['class'] = 'mw-content-' . $pageLang->getDir();
 283                 }
 284
 285                 return Html::rawElement( 'div', $realBodyAttribs, $html );
 286         }
 287
 288         /**
 289          * initialize various variables and generate the template
 290          *
 291          * @since 1.23
 292          * @return QuickTemplate The template to be executed by outputPage
 293          */
 294         protected function prepareQuickTemplate() {
 295                 global $wgContLang, $wgScript, $wgStylePath, $wgMimeType, $wgJsMimeType,
 296                         $wgSitename, $wgLogo, $wgMaxCredits,
 297                         $wgShowCreditsIfMax, $wgArticlePath,
 298                         $wgScriptPath, $wgServer;
 299
 300                 $title = $this->getTitle();
 301                 $request = $this->getRequest();
 302                 $out = $this->getOutput();
 303                 $tpl = $this->setupTemplateForOutput();
 304
 305                 $tpl->set( 'title', $out->getPageTitle() );
 306                 $tpl->set( 'pagetitle', $out->getHTMLTitle() );
 307                 $tpl->set( 'displaytitle', $out->mPageLinkTitle );
 308
 309                 $tpl->set( 'thispage', $this->thispage );
 310                 $tpl->set( 'titleprefixeddbkey', $this->thispage );
 311                 $tpl->set( 'titletext', $title->getText() );
 312                 $tpl->set( 'articleid', $title->getArticleID() );
 313
 314                 $tpl->set( 'isarticle', $out->isArticle() );
 315
 316                 $subpagestr = $this->subPageSubtitle();
 317                 if ( $subpagestr !== '' ) {
 318                         $subpagestr = '<span class="subpages">' . $subpagestr . '</span>';
 319                 }
 320                 $tpl->set( 'subtitle', $subpagestr . $out->getSubtitle() );
 321
 322                 $undelete = $this->getUndeleteLink();
 323                 if ( $undelete === '' ) {
 324                         $tpl->set( 'undelete', '' );
 325                 } else {
 326                         $tpl->set( 'undelete', '<span class="subpages">' . $undelete . '</span>' );
 327                 }
 328
 329                 $tpl->set( 'catlinks', $this->getCategories() );
 330                 if ( $out->isSyndicated() ) {
 331                         $feeds = [];
 332                         foreach ( $out->getSyndicationLinks() as $format => $link ) {
 333                                 $feeds[$format] = [
 334                                         // Messages: feed-atom, feed-rss
 335                                         'text' => $this->msg( "feed-$format" )->text(),
 336                                         'href' => $link
 337                                 ];
 338                         }
 339                         $tpl->set( 'feeds', $feeds );
 340                 } else {
 341                         $tpl->set( 'feeds', false );
 342                 }
 343
 344                 $tpl->set( 'mimetype', $wgMimeType );
 345                 $tpl->set( 'jsmimetype', $wgJsMimeType );
 346                 $tpl->set( 'charset', 'UTF-8' );
 347                 $tpl->set( 'wgScript', $wgScript );
 348                 $tpl->set( 'skinname', $this->skinname );
 349                 $tpl->set( 'skinclass', static::class );
 350                 $tpl->set( 'skin', $this );
 351                 $tpl->set( 'stylename', $this->stylename );
 352                 $tpl->set( 'printable', $out->isPrintable() );
 353                 $tpl->set( 'handheld', $request->getBool( 'handheld' ) );
 354                 $tpl->set( 'loggedin', $this->loggedin );
 355                 $tpl->set( 'notspecialpage', !$title->isSpecialPage() );
 356                 $tpl->set( 'searchaction', $this->escapeSearchLink() );
 357                 $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBkey() );
 358                 $tpl->set( 'search', trim( $request->getVal( 'search' ) ) );
 359                 $tpl->set( 'stylepath', $wgStylePath );
 360                 $tpl->set( 'articlepath', $wgArticlePath );
 361                 $tpl->set( 'scriptpath', $wgScriptPath );
 362                 $tpl->set( 'serverurl', $wgServer );
 363                 $tpl->set( 'logopath', $wgLogo );
 364                 $tpl->set( 'sitename', $wgSitename );
 365
 366                 $userLang = $this->getLanguage();
 367                 $userLangCode = $userLang->getHtmlCode();
 368                 $userLangDir = $userLang->getDir();
 369
 370                 $tpl->set( 'lang', $userLangCode );
 371                 $tpl->set( 'dir', $userLangDir );
 372                 $tpl->set( 'rtl', $userLang->isRTL() );
 373
 374                 $tpl->set( 'capitalizeallnouns', $userLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
 375                 $tpl->set( 'showjumplinks', true ); // showjumplinks preference has been removed
 376                 $tpl->set( 'username', $this->loggedin ? $this->username : null );
 377                 $tpl->set( 'userpage', $this->userpage );
 378                 $tpl->set( 'userpageurl', $this->userpageUrlDetails['href'] );
 379                 $tpl->set( 'userlang', $userLangCode );
 380
 381                 // Users can have their language set differently than the
 382                 // content of the wiki. For these users, tell the web browser
 383                 // that interface elements are in a different language.
 384                 $tpl->set( 'userlangattributes', '' );
 385                 $tpl->set( 'specialpageattributes', '' ); # obsolete
 386                 // Used by VectorBeta to insert HTML before content but after the
 387                 // heading for the page title. Defaults to empty string.
 388                 $tpl->set( 'prebodyhtml', '' );
 389
 390                 if ( $userLangCode !== $wgContLang->getHtmlCode() || $userLangDir !== $wgContLang->getDir() ) {
 391                         $escUserlang = htmlspecialchars( $userLangCode );
 392                         $escUserdir = htmlspecialchars( $userLangDir );
 393                         // Attributes must be in double quotes because htmlspecialchars() doesn't
 394                         // escape single quotes
 395                         $attrs = " lang=\"$escUserlang\" dir=\"$escUserdir\"";
 396                         $tpl->set( 'userlangattributes', $attrs );
 397                 }
 398
 399                 $tpl->set( 'newtalk', $this->getNewtalks() );
 400                 $tpl->set( 'logo', $this->logoText() );
 401
 402                 $tpl->set( 'copyright', false );
 403                 // No longer used
 404                 $tpl->set( 'viewcount', false );
 405                 $tpl->set( 'lastmod', false );
 406                 $tpl->set( 'credits', false );
 407                 $tpl->set( 'numberofwatchingusers', false );
 408                 if ( $out->isArticle() && $title->exists() ) {
 409                         if ( $this->isRevisionCurrent() ) {
 410                                 if ( $wgMaxCredits != 0 ) {
 411                                         $tpl->set( 'credits', Action::factory( 'credits', $this->getWikiPage(),
 412                                                 $this->getContext() )->getCredits( $wgMaxCredits, $wgShowCreditsIfMax ) );
 413                                 } else {
 414                                         $tpl->set( 'lastmod', $this->lastModified() );
 415                                 }
 416                         }
 417                         $tpl->set( 'copyright', $this->getCopyright() );
 418                 }
 419
 420                 $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
 421                 $tpl->set( 'poweredbyico', $this->getPoweredBy() );
 422                 $tpl->set( 'disclaimer', $this->disclaimerLink() );
 423                 $tpl->set( 'privacy', $this->privacyLink() );
 424                 $tpl->set( 'about', $this->aboutLink() );
 425
 426                 $tpl->set( 'footerlinks', [
 427                         'info' => [
 428                                 'lastmod',
 429                                 'numberofwatchingusers',
 430                                 'credits',
 431                                 'copyright',
 432                         ],
 433                         'places' => [
 434                                 'privacy',
 435                                 'about',
 436                                 'disclaimer',
 437                         ],
 438                 ] );
 439
 440                 global $wgFooterIcons;
 441                 $tpl->set( 'footericons', $wgFooterIcons );
 442                 foreach ( $tpl->data['footericons'] as $footerIconsKey => &$footerIconsBlock ) {
 443                         if ( count( $footerIconsBlock ) > 0 ) {
 444                                 foreach ( $footerIconsBlock as &$footerIcon ) {
 445                                         if ( isset( $footerIcon['src'] ) ) {
 446                                                 if ( !isset( $footerIcon['width'] ) ) {
 447                                                         $footerIcon['width'] = 88;
 448                                                 }
 449                                                 if ( !isset( $footerIcon['height'] ) ) {
 450                                                         $footerIcon['height'] = 31;
 451                                                 }
 452                                         }
 453                                 }
 454                         } else {
 455                                 unset( $tpl->data['footericons'][$footerIconsKey] );
 456                         }
 457                 }
 458
 459                 $tpl->set( 'indicators', $out->getIndicators() );
 460
 461                 $tpl->set( 'sitenotice', $this->getSiteNotice() );
 462                 $tpl->set( 'printfooter', $this->printSource() );
 463                 // Wrap the bodyText with #mw-content-text element
 464                 $out->mBodytext = $this->wrapHTML( $title, $out->mBodytext );
 465                 $tpl->set( 'bodytext', $out->mBodytext );
 466
 467                 $language_urls = $this->getLanguages();
 468                 if ( count( $language_urls ) ) {
 469                         $tpl->set( 'language_urls', $language_urls );
 470                 } else {
 471                         $tpl->set( 'language_urls', false );
 472                 }
 473
 474                 # Personal toolbar
 475                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 476                 $content_navigation = $this->buildContentNavigationUrls();
 477                 $content_actions = $this->buildContentActionUrls( $content_navigation );
 478                 $tpl->set( 'content_navigation', $content_navigation );
 479                 $tpl->set( 'content_actions', $content_actions );
 480
 481                 $tpl->set( 'sidebar', $this->buildSidebar() );
 482                 $tpl->set( 'nav_urls', $this->buildNavUrls() );
 483
 484                 // Do this last in case hooks above add bottom scripts
 485                 $tpl->set( 'bottomscripts', $this->bottomScripts() );
 486
 487                 // Set the head scripts near the end, in case the above actions resulted in added scripts
 488                 $tpl->set( 'headelement', $out->headElement( $this ) );
 489
 490                 $tpl->set( 'debug', '' );
 491                 $tpl->set( 'debughtml', $this->generateDebugHTML() );
 492                 $tpl->set( 'reporttime', wfReportTime() );
 493
 494                 // Avoid PHP 7.1 warning of passing $this by reference
 495                 $skinTemplate = $this;
 496                 // original version by hansm
 497                 if ( !Hooks::run( 'SkinTemplateOutputPageBeforeExec', [ &$skinTemplate, &$tpl ] ) ) {
 498                         wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
 499                 }
 500
 501                 // Set the bodytext to another key so that skins can just output it on its own
 502                 // and output printfooter and debughtml separately
 503                 $tpl->set( 'bodycontent', $tpl->data['bodytext'] );
 504
 505                 // Append printfooter and debughtml onto bodytext so that skins that
 506                 // were already using bodytext before they were split out don't suddenly
 507                 // start not outputting information.
 508                 $tpl->data['bodytext'] .= Html::rawElement(
 509                         'div',
 510                         [ 'class' => 'printfooter' ],
 511                         "\n{$tpl->data['printfooter']}"
 512                 ) . "\n";
 513                 $tpl->data['bodytext'] .= $tpl->data['debughtml'];
 514
 515                 // allow extensions adding stuff after the page content.
 516                 // See Skin::afterContentHook() for further documentation.
 517                 $tpl->set( 'dataAfterContent', $this->afterContentHook() );
 518
 519                 return $tpl;
 520         }
 521
 522         /**
 523          * Get the HTML for the p-personal list
 524          * @return string
 525          */
 526         public function getPersonalToolsList() {
 527                 return $this->makePersonalToolsList();
 528         }
 529
 530         /**
 531          * Get the HTML for the personal tools list
 532          *
 533          * @since 1.31
 534          *
 535          * @param array $personalTools
 536          * @param array $options
 537          * @return string
 538          */
 539         public function makePersonalToolsList( $personalTools = null, $options = [] ) {
 540                 $tpl = $this->setupTemplateForOutput();
 541                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 542                 $html = '';
 543
 544                 if ( $personalTools === null ) {
 545                         $personalTools = $tpl->getPersonalTools();
 546                 }
 547
 548                 foreach ( $personalTools as $key => $item ) {
 549                         $html .= $tpl->makeListItem( $key, $item, $options );
 550                 }
 551
 552                 return $html;
 553         }
 554
 555         /**
 556          * Get personal tools for the user
 557          *
 558          * @since 1.31
 559          *
 560          * @return array Array of personal tools
 561          */
 562         public function getStructuredPersonalTools() {
 563                 $tpl = $this->setupTemplateForOutput();
 564                 $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
 565
 566                 return $tpl->getPersonalTools();
 567         }
 568
 569         /**
 570          * Format language name for use in sidebar interlanguage links list.
 571          * By default it is capitalized.
 572          *
 573          * @param string $name Language name, e.g. "English" or "español"
 574          * @return string
 575          * @private
 576          */
 577         function formatLanguageName( $name ) {
 578                 return $this->getLanguage()->ucfirst( $name );
 579         }
 580
 581         /**
 582          * Output the string, or print error message if it's
 583          * an error object of the appropriate type.
 584          * For the base class, assume strings all around.
 585          *
 586          * @param string $str
 587          * @private
 588          */
 589         function printOrError( $str ) {
 590                 echo $str;
 591         }
 592
 593         /**
 594          * Output a boolean indicating if buildPersonalUrls should output separate
 595          * login and create account links or output a combined link
 596          * By default we simply return a global config setting that affects most skins
 597          * This is setup as a method so that like with $wgLogo and getLogo() a skin
 598          * can override this setting and always output one or the other if it has
 599          * a reason it can't output one of the two modes.
 600          * @return bool
 601          */
 602         function useCombinedLoginLink() {
 603                 global $wgUseCombinedLoginLink;
 604                 return $wgUseCombinedLoginLink;
 605         }
 606
 607         /**
 608          * build array of urls for personal toolbar
 609          * @return array
 610          */
 611         protected function buildPersonalUrls() {
 612                 $title = $this->getTitle();
 613                 $request = $this->getRequest();
 614                 $pageurl = $title->getLocalURL();
 615                 $authManager = AuthManager::singleton();
 616
 617                 /* set up the default links for the personal toolbar */
 618                 $personal_urls = [];
 619
 620                 # Due to T34276, if a user does not have read permissions,
 621                 # $this->getTitle() will just give Special:Badtitle, which is
 622                 # not especially useful as a returnto parameter. Use the title
 623                 # from the request instead, if there was one.
 624                 if ( $this->getUser()->isAllowed( 'read' ) ) {
 625                         $page = $this->getTitle();
 626                 } else {
 627                         $page = Title::newFromText( $request->getVal( 'title', '' ) );
 628                 }
 629                 $page = $request->getVal( 'returnto', $page );
 630                 $returnto = [];
 631                 if ( strval( $page ) !== '' ) {
 632                         $returnto['returnto'] = $page;
 633                         $query = $request->getVal( 'returntoquery', $this->thisquery );
 634                         $paramsArray = wfCgiToArray( $query );
 635                         unset( $paramsArray['logoutToken'] );
 636                         $query = wfArrayToCgi( $paramsArray );
 637                         if ( $query != '' ) {
 638                                 $returnto['returntoquery'] = $query;
 639                         }
 640                 }
 641
 642                 if ( $this->loggedin ) {
 643                         $personal_urls['userpage'] = [
 644                                 'text' => $this->username,
 645                                 'href' => &$this->userpageUrlDetails['href'],
 646                                 'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
 647                                 'exists' => $this->userpageUrlDetails['exists'],
 648                                 'active' => ( $this->userpageUrlDetails['href'] == $pageurl ),
 649                                 'dir' => 'auto'
 650                         ];
 651                         $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
 652                         $personal_urls['mytalk'] = [
 653                                 'text' => $this->msg( 'mytalk' )->text(),
 654                                 'href' => &$usertalkUrlDetails['href'],
 655                                 'class' => $usertalkUrlDetails['exists'] ? false : 'new',
 656                                 'exists' => $usertalkUrlDetails['exists'],
 657                                 'active' => ( $usertalkUrlDetails['href'] == $pageurl )
 658                         ];
 659                         $href = self::makeSpecialUrl( 'Preferences' );
 660                         $personal_urls['preferences'] = [
 661                                 'text' => $this->msg( 'mypreferences' )->text(),
 662                                 'href' => $href,
 663                                 'active' => ( $href == $pageurl )
 664                         ];
 665
 666                         if ( $this->getUser()->isAllowed( 'viewmywatchlist' ) ) {
 667                                 $href = self::makeSpecialUrl( 'Watchlist' );
 668                                 $personal_urls['watchlist'] = [
 669                                         'text' => $this->msg( 'mywatchlist' )->text(),
 670                                         'href' => $href,
 671                                         'active' => ( $href == $pageurl )
 672                                 ];
 673                         }
 674
 675                         # We need to do an explicit check for Special:Contributions, as we
 676                         # have to match both the title, and the target, which could come
 677                         # from request values (Special:Contributions?target=Jimbo_Wales)
 678                         # or be specified in "sub page" form
 679                         # (Special:Contributions/Jimbo_Wales). The plot
 680                         # thickens, because the Title object is altered for special pages,
 681                         # so it doesn't contain the original alias-with-subpage.
 682                         $origTitle = Title::newFromText( $request->getText( 'title' ) );
 683                         if ( $origTitle instanceof Title && $origTitle->isSpecialPage() ) {
 684                                 list( $spName, $spPar ) = SpecialPageFactory::resolveAlias( $origTitle->getText() );
 685                                 $active = $spName == 'Contributions'
 686                                         && ( ( $spPar && $spPar == $this->username )
 687                                                 || $request->getText( 'target' ) == $this->username );
 688                         } else {
 689                                 $active = false;
 690                         }
 691
 692                         $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
 693                         $personal_urls['mycontris'] = [
 694                                 'text' => $this->msg( 'mycontris' )->text(),
 695                                 'href' => $href,
 696                                 'active' => $active
 697                         ];
 698
 699                         // if we can't set the user, we can't unset it either
 700                         if ( $request->getSession()->canSetUser() ) {
 701                                 $personal_urls['logout'] = [
 702                                         'text' => $this->msg( 'pt-userlogout' )->text(),
 703                                         'href' => self::makeSpecialUrl( 'Userlogout',
 704                                                 // Note: userlogout link must always contain an & character, otherwise we might not be able
 705                                                 // to detect a buggy precaching proxy (T19790)
 706                                                 ( $title->isSpecial( 'Preferences' ) ? [] : $returnto )
 707                                                 + [ 'logoutToken' => $this->getUser()->getEditToken( 'logoutToken', $this->getRequest() ) ] ),
 708                                         'active' => false
 709                                 ];
 710                         }
 711                 } else {
 712                         $useCombinedLoginLink = $this->useCombinedLoginLink();
 713                         if ( !$authManager->canCreateAccounts() || !$authManager->canAuthenticateNow() ) {
 714                                 // don't show combined login/signup link if one of those is actually not available
 715                                 $useCombinedLoginLink = false;
 716                         }
 717
 718                         $loginlink = $this->getUser()->isAllowed( 'createaccount' ) && $useCombinedLoginLink
 719                                 ? 'nav-login-createaccount'
 720                                 : 'pt-login';
 721
 722                         $login_url = [
 723                                 'text' => $this->msg( $loginlink )->text(),
 724                                 'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
 725                                 'active' => $title->isSpecial( 'Userlogin' )
 726                                         || $title->isSpecial( 'CreateAccount' ) && $useCombinedLoginLink,
 727                         ];
 728                         $createaccount_url = [
 729                                 'text' => $this->msg( 'pt-createaccount' )->text(),
 730                                 'href' => self::makeSpecialUrl( 'CreateAccount', $returnto ),
 731                                 'active' => $title->isSpecial( 'CreateAccount' ),
 732                         ];
 733
 734                         // No need to show Talk and Contributions to anons if they can't contribute!
 735                         if ( User::groupHasPermission( '*', 'edit' ) ) {
 736                                 // Because of caching, we can't link directly to the IP talk and
 737                                 // contributions pages. Instead we use the special page shortcuts
 738                                 // (which work correctly regardless of caching). This means we can't
 739                                 // determine whether these links are active or not, but since major
 740                                 // skins (MonoBook, Vector) don't use this information, it's not a
 741                                 // huge loss.
 742                                 $personal_urls['anontalk'] = [
 743                                         'text' => $this->msg( 'anontalk' )->text(),
 744                                         'href' => self::makeSpecialUrlSubpage( 'Mytalk', false ),
 745                                         'active' => false
 746                                 ];
 747                                 $personal_urls['anoncontribs'] = [
 748                                         'text' => $this->msg( 'anoncontribs' )->text(),
 749                                         'href' => self::makeSpecialUrlSubpage( 'Mycontributions', false ),
 750                                         'active' => false
 751                                 ];
 752                         }
 753
 754                         if (
 755                                 $authManager->canCreateAccounts()
 756                                 && $this->getUser()->isAllowed( 'createaccount' )
 757                                 && !$useCombinedLoginLink
 758                         ) {
 759                                 $personal_urls['createaccount'] = $createaccount_url;
 760                         }
 761
 762                         if ( $authManager->canAuthenticateNow() ) {
 763                                 $key = User::groupHasPermission( '*', 'read' )
 764                                         ? 'login'
 765                                         : 'login-private';
 766                                 $personal_urls[$key] = $login_url;
 767                         }
 768                 }
 769
 770                 Hooks::runWithoutAbort( 'PersonalUrls', [ &$personal_urls, &$title, $this ] );
 771                 return $personal_urls;
 772         }
 773
 774         /**
 775          * Builds an array with tab definition
 776          *
 777          * @param Title $title Page Where the tab links to
 778          * @param string|array $message Message key or an array of message keys (will fall back)
 779          * @param bool $selected Display the tab as selected
 780          * @param string $query Query string attached to tab URL
 781          * @param bool $checkEdit Check if $title exists and mark with .new if one doesn't
 782          *
 783          * @return array
 784          */
 785         function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
 786                 $classes = [];
 787                 if ( $selected ) {
 788                         $classes[] = 'selected';
 789                 }
 790                 $exists = true;
 791                 if ( $checkEdit && !$title->isKnown() ) {
 792                         $classes[] = 'new';
 793                         $exists = false;
 794                         if ( $query !== '' ) {
 795                                 $query = 'action=edit&redlink=1&' . $query;
 796                         } else {
 797                                 $query = 'action=edit&redlink=1';
 798                         }
 799                 }
 800
 801                 $linkClass = MediaWikiServices::getInstance()->getLinkRenderer()->getLinkClasses( $title );
 802
 803                 // wfMessageFallback will nicely accept $message as an array of fallbacks
 804                 // or just a single key
 805                 $msg = wfMessageFallback( $message )->setContext( $this->getContext() );
 806                 if ( is_array( $message ) ) {
 807                         // for hook compatibility just keep the last message name
 808                         $message = end( $message );
 809                 }
 810                 if ( $msg->exists() ) {
 811                         $text = $msg->text();
 812                 } else {
 813                         global $wgContLang;
 814                         $text = $wgContLang->getConverter()->convertNamespace(
 815                                 MWNamespace::getSubject( $title->getNamespace() ) );
 816                 }
 817
 818                 // Avoid PHP 7.1 warning of passing $this by reference
 819                 $skinTemplate = $this;
 820                 $result = [];
 821                 if ( !Hooks::run( 'SkinTemplateTabAction', [ &$skinTemplate,
 822                                 $title, $message, $selected, $checkEdit,
 823                                 &$classes, &$query, &$text, &$result ] ) ) {
 824                         return $result;
 825                 }
 826
 827                 $result = [
 828                         'class' => implode( ' ', $classes ),
 829                         'text' => $text,
 830                         'href' => $title->getLocalURL( $query ),
 831                         'exists' => $exists,
 832                         'primary' => true ];
 833                 if ( $linkClass !== '' ) {
 834                         $result['link-class'] = $linkClass;
 835                 }
 836
 837                 return $result;
 838         }
 839
 840         function makeTalkUrlDetails( $name, $urlaction = '' ) {
 841                 $title = Title::newFromText( $name );
 842                 if ( !is_object( $title ) ) {
 843                         throw new MWException( __METHOD__ . " given invalid pagename $name" );
 844                 }
 845                 $title = $title->getTalkPage();
 846                 self::checkTitle( $title, $name );
 847                 return [
 848                         'href' => $title->getLocalURL( $urlaction ),
 849                         'exists' => $title->isKnown(),
 850                 ];
 851         }
 852
 853         /**
 854          * @todo is this even used?
 855          * @param string $name
 856          * @param string $urlaction
 857          * @return array
 858          */
 859         function makeArticleUrlDetails( $name, $urlaction = '' ) {
 860                 $title = Title::newFromText( $name );
 861                 $title = $title->getSubjectPage();
 862                 self::checkTitle( $title, $name );
 863                 return [
 864                         'href' => $title->getLocalURL( $urlaction ),
 865                         'exists' => $title->exists(),
 866                 ];
 867         }
 868
 869         /**
 870          * a structured array of links usually used for the tabs in a skin
 871          *
 872          * There are 4 standard sections
 873          * namespaces: Used for namespace tabs like special, page, and talk namespaces
 874          * views: Used for primary page views like read, edit, history
 875          * actions: Used for most extra page actions like deletion, protection, etc...
 876          * variants: Used to list the language variants for the page
 877          *
 878          * Each section's value is a key/value array of links for that section.
 879          * The links themselves have these common keys:
 880          * - class: The css classes to apply to the tab
 881          * - text: The text to display on the tab
 882          * - href: The href for the tab to point to
 883          * - rel: An optional rel= for the tab's link
 884          * - redundant: If true the tab will be dropped in skins using content_actions
 885          *   this is useful for tabs like "Read" which only have meaning in skins that
 886          *   take special meaning from the grouped structure of content_navigation
 887          *
 888          * Views also have an extra key which can be used:
 889          * - primary: If this is not true skins like vector may try to hide the tab
 890          *            when the user has limited space in their browser window
 891          *
 892          * content_navigation using code also expects these ids to be present on the
 893          * links, however these are usually automatically generated by SkinTemplate
 894          * itself and are not necessary when using a hook. The only things these may
 895          * matter to are people modifying content_navigation after it's initial creation:
 896          * - id: A "preferred" id, most skins are best off outputting this preferred
 897          *   id for best compatibility.
 898          * - tooltiponly: This is set to true for some tabs in cases where the system
 899          *   believes that the accesskey should not be added to the tab.
 900          *
 901          * @return array
 902          */
 903         protected function buildContentNavigationUrls() {
 904                 global $wgDisableLangConversion;
 905
 906                 // Display tabs for the relevant title rather than always the title itself
 907                 $title = $this->getRelevantTitle();
 908                 $onPage = $title->equals( $this->getTitle() );
 909
 910                 $out = $this->getOutput();
 911                 $request = $this->getRequest();
 912                 $user = $this->getUser();
 913
 914                 $content_navigation = [
 915                         'namespaces' => [],
 916                         'views' => [],
 917                         'actions' => [],
 918                         'variants' => []
 919                 ];
 920
 921                 // parameters
 922                 $action = $request->getVal( 'action', 'view' );
 923
 924                 $userCanRead = $title->quickUserCan( 'read', $user );
 925
 926                 // Avoid PHP 7.1 warning of passing $this by reference
 927                 $skinTemplate = $this;
 928                 $preventActiveTabs = false;
 929                 Hooks::run( 'SkinTemplatePreventOtherActiveTabs', [ &$skinTemplate, &$preventActiveTabs ] );
 930
 931                 // Checks if page is some kind of content
 932                 if ( $title->canExist() ) {
 933                         // Gets page objects for the related namespaces
 934                         $subjectPage = $title->getSubjectPage();
 935                         $talkPage = $title->getTalkPage();
 936
 937                         // Determines if this is a talk page
 938                         $isTalk = $title->isTalkPage();
 939
 940                         // Generates XML IDs from namespace names
 941                         $subjectId = $title->getNamespaceKey( '' );
 942
 943                         if ( $subjectId == 'main' ) {
 944                                 $talkId = 'talk';
 945                         } else {
 946                                 $talkId = "{$subjectId}_talk";
 947                         }
 948
 949                         $skname = $this->skinname;
 950
 951                         // Adds namespace links
 952                         $subjectMsg = [ "nstab-$subjectId" ];
 953                         if ( $subjectPage->isMainPage() ) {
 954                                 array_unshift( $subjectMsg, 'mainpage-nstab' );
 955                         }
 956                         $content_navigation['namespaces'][$subjectId] = $this->tabAction(
 957                                 $subjectPage, $subjectMsg, !$isTalk && !$preventActiveTabs, '', $userCanRead
 958                         );
 959                         $content_navigation['namespaces'][$subjectId]['context'] = 'subject';
 960                         $content_navigation['namespaces'][$talkId] = $this->tabAction(
 961                                 $talkPage, [ "nstab-$talkId", 'talk' ], $isTalk && !$preventActiveTabs, '', $userCanRead
 962                         );
 963                         $content_navigation['namespaces'][$talkId]['context'] = 'talk';
 964
 965                         if ( $userCanRead ) {
 966                                 // Adds "view" view link
 967                                 if ( $title->isKnown() ) {
 968                                         $content_navigation['views']['view'] = $this->tabAction(
 969                                                 $isTalk ? $talkPage : $subjectPage,
 970                                                 [ "$skname-view-view", 'view' ],
 971                                                 ( $onPage && ( $action == 'view' || $action == 'purge' ) ), '', true
 972                                         );
 973                                         // signal to hide this from simple content_actions
 974                                         $content_navigation['views']['view']['redundant'] = true;
 975                                 }
 976
 977                                 $page = $this->canUseWikiPage() ? $this->getWikiPage() : false;
 978                                 $isRemoteContent = $page && !$page->isLocal();
 979
 980                                 // If it is a non-local file, show a link to the file in its own repository
 981                                 // @todo abstract this for remote content that isn't a file
 982                                 if ( $isRemoteContent ) {
 983                                         $content_navigation['views']['view-foreign'] = [
 984                                                 'class' => '',
 985                                                 'text' => wfMessageFallback( "$skname-view-foreign", 'view-foreign' )->
 986                                                         setContext( $this->getContext() )->
 987                                                         params( $page->getWikiDisplayName() )->text(),
 988                                                 'href' => $page->getSourceURL(),
 989                                                 'primary' => false,
 990                                         ];
 991                                 }
 992
 993                                 // Checks if user can edit the current page if it exists or create it otherwise
 994                                 if ( $title->quickUserCan( 'edit', $user )
 995                                         && ( $title->exists() || $title->quickUserCan( 'create', $user ) )
 996                                 ) {
 997                                         // Builds CSS class for talk page links
 998                                         $isTalkClass = $isTalk ? ' istalk' : '';
 999                                         // Whether the user is editing the page
1000                                         $isEditing = $onPage && ( $action == 'edit' || $action == 'submit' );
1001                                         // Whether to show the "Add a new section" tab
1002                                         // Checks if this is a current rev of talk page and is not forced to be hidden
1003                                         $showNewSection = !$out->forceHideNewSectionLink()
1004                                                 && ( ( $isTalk && $this->isRevisionCurrent() ) || $out->showNewSectionLink() );
1005                                         $section = $request->getVal( 'section' );
1006
1007                                         if ( $title->exists()
1008                                                 || ( $title->getNamespace() == NS_MEDIAWIKI
1009                                                         && $title->getDefaultMessageText() !== false
1010                                                 )
1011                                         ) {
1012                                                 $msgKey = $isRemoteContent ? 'edit-local' : 'edit';
1013                                         } else {
1014                                                 $msgKey = $isRemoteContent ? 'create-local' : 'create';
1015                                         }
1016                                         $content_navigation['views']['edit'] = [
1017                                                 'class' => ( $isEditing && ( $section !== 'new' || !$showNewSection )
1018                                                         ? 'selected'
1019                                                         : ''
1020                                                 ) . $isTalkClass,
1021                                                 'text' => wfMessageFallback( "$skname-view-$msgKey", $msgKey )
1022                                                         ->setContext( $this->getContext() )->text(),
1023                                                 'href' => $title->getLocalURL( $this->editUrlOptions() ),
1024                                                 'primary' => !$isRemoteContent, // don't collapse this in vector
1025                                         ];
1026
1027                                         // section link
1028                                         if ( $showNewSection ) {
1029                                                 // Adds new section link
1030                                                 // $content_navigation['actions']['addsection']
1031                                                 $content_navigation['views']['addsection'] = [
1032                                                         'class' => ( $isEditing && $section == 'new' ) ? 'selected' : false,
1033                                                         'text' => wfMessageFallback( "$skname-action-addsection", 'addsection' )
1034                                                                 ->setContext( $this->getContext() )->text(),
1035                                                         'href' => $title->getLocalURL( 'action=edit&section=new' )
1036                                                 ];
1037                                         }
1038                                 // Checks if the page has some kind of viewable source content
1039                                 } elseif ( $title->hasSourceText() ) {
1040                                         // Adds view source view link
1041                                         $content_navigation['views']['viewsource'] = [
1042                                                 'class' => ( $onPage && $action == 'edit' ) ? 'selected' : false,
1043                                                 'text' => wfMessageFallback( "$skname-action-viewsource", 'viewsource' )
1044                                                         ->setContext( $this->getContext() )->text(),
1045                                                 'href' => $title->getLocalURL( $this->editUrlOptions() ),
1046                                                 'primary' => true, // don't collapse this in vector
1047                                         ];
1048                                 }
1049
1050                                 // Checks if the page exists
1051                                 if ( $title->exists() ) {
1052                                         // Adds history view link
1053                                         $content_navigation['views']['history'] = [
1054                                                 'class' => ( $onPage && $action == 'history' ) ? 'selected' : false,
1055                                                 'text' => wfMessageFallback( "$skname-view-history", 'history_short' )
1056                                                         ->setContext( $this->getContext() )->text(),
1057                                                 'href' => $title->getLocalURL( 'action=history' ),
1058                                         ];
1059
1060                                         if ( $title->quickUserCan( 'delete', $user ) ) {
1061                                                 $content_navigation['actions']['delete'] = [
1062                                                         'class' => ( $onPage && $action == 'delete' ) ? 'selected' : false,
1063                                                         'text' => wfMessageFallback( "$skname-action-delete", 'delete' )
1064                                                                 ->setContext( $this->getContext() )->text(),
1065                                                         'href' => $title->getLocalURL( 'action=delete' )
1066                                                 ];
1067                                         }
1068
1069                                         if ( $title->quickUserCan( 'move', $user ) ) {
1070                                                 $moveTitle = SpecialPage::getTitleFor( 'Movepage', $title->getPrefixedDBkey() );
1071                                                 $content_navigation['actions']['move'] = [
1072                                                         'class' => $this->getTitle()->isSpecial( 'Movepage' ) ? 'selected' : false,
1073                                                         'text' => wfMessageFallback( "$skname-action-move", 'move' )
1074                                                                 ->setContext( $this->getContext() )->text(),
1075                                                         'href' => $moveTitle->getLocalURL()
1076                                                 ];
1077                                         }
1078                                 } else {
1079                                         // article doesn't exist or is deleted
1080                                         if ( $user->isAllowed( 'deletedhistory' ) ) {
1081                                                 $n = $title->isDeleted();
1082                                                 if ( $n ) {
1083                                                         $undelTitle = SpecialPage::getTitleFor( 'Undelete', $title->getPrefixedDBkey() );
1084                                                         // If the user can't undelete but can view deleted
1085                                                         // history show them a "View .. deleted" tab instead.
1086                                                         $msgKey = $user->isAllowed( 'undelete' ) ? 'undelete' : 'viewdeleted';
1087                                                         $content_navigation['actions']['undelete'] = [
1088                                                                 'class' => $this->getTitle()->isSpecial( 'Undelete' ) ? 'selected' : false,
1089                                                                 'text' => wfMessageFallback( "$skname-action-$msgKey", "{$msgKey}_short" )
1090                                                                         ->setContext( $this->getContext() )->numParams( $n )->text(),
1091                                                                 'href' => $undelTitle->getLocalURL()
1092                                                         ];
1093                                                 }
1094                                         }
1095                                 }
1096
1097                                 if ( $title->quickUserCan( 'protect', $user ) && $title->getRestrictionTypes() &&
1098                                         MWNamespace::getRestrictionLevels( $title->getNamespace(), $user ) !== [ '' ]
1099                                 ) {
1100                                         $mode = $title->isProtected() ? 'unprotect' : 'protect';
1101                                         $content_navigation['actions'][$mode] = [
1102                                                 'class' => ( $onPage && $action == $mode ) ? 'selected' : false,
1103                                                 'text' => wfMessageFallback( "$skname-action-$mode", $mode )
1104                                                         ->setContext( $this->getContext() )->text(),
1105                                                 'href' => $title->getLocalURL( "action=$mode" )
1106                                         ];
1107                                 }
1108
1109                                 // Checks if the user is logged in
1110                                 if ( $this->loggedin && $user->isAllowedAll( 'viewmywatchlist', 'editmywatchlist' ) ) {
1111                                         /**
1112                                          * The following actions use messages which, if made particular to
1113                                          * the any specific skins, would break the Ajax code which makes this
1114                                          * action happen entirely inline. OutputPage::getJSVars
1115                                          * defines a set of messages in a javascript object - and these
1116                                          * messages are assumed to be global for all skins. Without making
1117                                          * a change to that procedure these messages will have to remain as
1118                                          * the global versions.
1119                                          */
1120                                         $mode = $user->isWatched( $title ) ? 'unwatch' : 'watch';
1121                                         $content_navigation['actions'][$mode] = [
1122                                                 'class' => 'mw-watchlink ' . (
1123                                                         $onPage && ( $action == 'watch' || $action == 'unwatch' ) ? 'selected' : ''
1124                                                 ),
1125                                                 // uses 'watch' or 'unwatch' message
1126                                                 'text' => $this->msg( $mode )->text(),
1127                                                 'href' => $title->getLocalURL( [ 'action' => $mode ] ),
1128                                                 // Set a data-mw=interface attribute, which the mediawiki.page.ajax
1129                                                 // module will look for to make sure it's a trusted link
1130                                                 'data' => [
1131                                                         'mw' => 'interface',
1132                                                 ],
1133                                         ];
1134                                 }
1135                         }
1136
1137                         // Avoid PHP 7.1 warning of passing $this by reference
1138                         $skinTemplate = $this;
1139                         Hooks::runWithoutAbort(
1140                                 'SkinTemplateNavigation',
1141                                 [ &$skinTemplate, &$content_navigation ]
1142                         );
1143
1144                         if ( $userCanRead && !$wgDisableLangConversion ) {
1145                                 $pageLang = $title->getPageLanguage();
1146                                 // Gets list of language variants
1147                                 $variants = $pageLang->getVariants();
1148                                 // Checks that language conversion is enabled and variants exist
1149                                 // And if it is not in the special namespace
1150                                 if ( count( $variants ) > 1 ) {
1151                                         // Gets preferred variant (note that user preference is
1152                                         // only possible for wiki content language variant)
1153                                         $preferred = $pageLang->getPreferredVariant();
1154                                         if ( Action::getActionName( $this ) === 'view' ) {
1155                                                 $params = $request->getQueryValues();
1156                                                 unset( $params['title'] );
1157                                         } else {
1158                                                 $params = [];
1159                                         }
1160                                         // Loops over each variant
1161                                         foreach ( $variants as $code ) {
1162                                                 // Gets variant name from language code
1163                                                 $varname = $pageLang->getVariantname( $code );
1164                                                 // Appends variant link
1165                                                 $content_navigation['variants'][] = [
1166                                                         'class' => ( $code == $preferred ) ? 'selected' : false,
1167                                                         'text' => $varname,
1168                                                         'href' => $title->getLocalURL( [ 'variant' => $code ] + $params ),
1169                                                         'lang' => LanguageCode::bcp47( $code ),
1170                                                         'hreflang' => LanguageCode::bcp47( $code ),
1171                                                 ];
1172                                         }
1173                                 }
1174                         }
1175                 } else {
1176                         // If it's not content, it's got to be a special page
1177                         $content_navigation['namespaces']['special'] = [
1178                                 'class' => 'selected',
1179                                 'text' => $this->msg( 'nstab-special' )->text(),
1180                                 'href' => $request->getRequestURL(), // @see: T4457, T4510
1181                                 'context' => 'subject'
1182                         ];
1183
1184                         // Avoid PHP 7.1 warning of passing $this by reference
1185                         $skinTemplate = $this;
1186                         Hooks::runWithoutAbort( 'SkinTemplateNavigation::SpecialPage',
1187                                 [ &$skinTemplate, &$content_navigation ] );
1188                 }
1189
1190                 // Avoid PHP 7.1 warning of passing $this by reference
1191                 $skinTemplate = $this;
1192                 // Equiv to SkinTemplateContentActions
1193                 Hooks::runWithoutAbort( 'SkinTemplateNavigation::Universal',
1194                         [ &$skinTemplate, &$content_navigation ] );
1195
1196                 // Setup xml ids and tooltip info
1197                 foreach ( $content_navigation as $section => &$links ) {
1198                         foreach ( $links as $key => &$link ) {
1199                                 $xmlID = $key;
1200                                 if ( isset( $link['context'] ) && $link['context'] == 'subject' ) {
1201                                         $xmlID = 'ca-nstab-' . $xmlID;
1202                                 } elseif ( isset( $link['context'] ) && $link['context'] == 'talk' ) {
1203                                         $xmlID = 'ca-talk';
1204                                         $link['rel'] = 'discussion';
1205                                 } elseif ( $section == 'variants' ) {
1206                                         $xmlID = 'ca-varlang-' . $xmlID;
1207                                 } else {
1208                                         $xmlID = 'ca-' . $xmlID;
1209                                 }
1210                                 $link['id'] = $xmlID;
1211                         }
1212                 }
1213
1214                 # We don't want to give the watch tab an accesskey if the
1215                 # page is being edited, because that conflicts with the
1216                 # accesskey on the watch checkbox.  We also don't want to
1217                 # give the edit tab an accesskey, because that's fairly
1218                 # superfluous and conflicts with an accesskey (Ctrl-E) often
1219                 # used for editing in Safari.
1220                 if ( in_array( $action, [ 'edit', 'submit' ] ) ) {
1221                         if ( isset( $content_navigation['views']['edit'] ) ) {
1222                                 $content_navigation['views']['edit']['tooltiponly'] = true;
1223                         }
1224                         if ( isset( $content_navigation['actions']['watch'] ) ) {
1225                                 $content_navigation['actions']['watch']['tooltiponly'] = true;
1226                         }
1227                         if ( isset( $content_navigation['actions']['unwatch'] ) ) {
1228                                 $content_navigation['actions']['unwatch']['tooltiponly'] = true;
1229                         }
1230                 }
1231
1232                 return $content_navigation;
1233         }
1234
1235         /**
1236          * an array of edit links by default used for the tabs
1237          * @param array $content_navigation
1238          * @return array
1239          */
1240         private function buildContentActionUrls( $content_navigation ) {
1241                 // content_actions has been replaced with content_navigation for backwards
1242                 // compatibility and also for skins that just want simple tabs content_actions
1243                 // is now built by flattening the content_navigation arrays into one
1244
1245                 $content_actions = [];
1246
1247                 foreach ( $content_navigation as $links ) {
1248                         foreach ( $links as $key => $value ) {
1249                                 if ( isset( $value['redundant'] ) && $value['redundant'] ) {
1250                                         // Redundant tabs are dropped from content_actions
1251                                         continue;
1252                                 }
1253
1254                                 // content_actions used to have ids built using the "ca-$key" pattern
1255                                 // so the xmlID based id is much closer to the actual $key that we want
1256                                 // for that reason we'll just strip out the ca- if present and use
1257                                 // the latter potion of the "id" as the $key
1258                                 if ( isset( $value['id'] ) && substr( $value['id'], 0, 3 ) == 'ca-' ) {
1259                                         $key = substr( $value['id'], 3 );
1260                                 }
1261
1262                                 if ( isset( $content_actions[$key] ) ) {
1263                                         wfDebug( __METHOD__ . ": Found a duplicate key for $key while flattening " .
1264                                                 "content_navigation into content_actions.\n" );
1265                                         continue;
1266                                 }
1267
1268                                 $content_actions[$key] = $value;
1269                         }
1270                 }
1271
1272                 return $content_actions;
1273         }
1274
1275         /**
1276          * build array of common navigation links
1277          * @return array
1278          */
1279         protected function buildNavUrls() {
1280                 global $wgUploadNavigationUrl;
1281
1282                 $out = $this->getOutput();
1283                 $request = $this->getRequest();
1284
1285                 $nav_urls = [];
1286                 $nav_urls['mainpage'] = [ 'href' => self::makeMainPageUrl() ];
1287                 if ( $wgUploadNavigationUrl ) {
1288                         $nav_urls['upload'] = [ 'href' => $wgUploadNavigationUrl ];
1289                 } elseif ( UploadBase::isEnabled() && UploadBase::isAllowed( $this->getUser() ) === true ) {
1290                         $nav_urls['upload'] = [ 'href' => self::makeSpecialUrl( 'Upload' ) ];
1291                 } else {
1292                         $nav_urls['upload'] = false;
1293                 }
1294                 $nav_urls['specialpages'] = [ 'href' => self::makeSpecialUrl( 'Specialpages' ) ];
1295
1296                 $nav_urls['print'] = false;
1297                 $nav_urls['permalink'] = false;
1298                 $nav_urls['info'] = false;
1299                 $nav_urls['whatlinkshere'] = false;
1300                 $nav_urls['recentchangeslinked'] = false;
1301                 $nav_urls['contributions'] = false;
1302                 $nav_urls['log'] = false;
1303                 $nav_urls['blockip'] = false;
1304                 $nav_urls['emailuser'] = false;
1305                 $nav_urls['userrights'] = false;
1306
1307                 // A print stylesheet is attached to all pages, but nobody ever
1308                 // figures that out. :)  Add a link...
1309                 if ( !$out->isPrintable() && ( $out->isArticle() || $this->getTitle()->isSpecialPage() ) ) {
1310                         $nav_urls['print'] = [
1311                                 'text' => $this->msg( 'printableversion' )->text(),
1312                                 'href' => $this->getTitle()->getLocalURL(
1313                                         $request->appendQueryValue( 'printable', 'yes' ) )
1314                         ];
1315                 }
1316
1317                 if ( $out->isArticle() ) {
1318                         // Also add a "permalink" while we're at it
1319                         $revid = $this->getRevisionId();
1320                         if ( $revid ) {
1321                                 $nav_urls['permalink'] = [
1322                                         'text' => $this->msg( 'permalink' )->text(),
1323                                         'href' => $this->getTitle()->getLocalURL( "oldid=$revid" )
1324                                 ];
1325                         }
1326
1327                         // Avoid PHP 7.1 warning of passing $this by reference
1328                         $skinTemplate = $this;
1329                         // Use the copy of revision ID in case this undocumented, shady hook tries to mess with internals
1330                         Hooks::run( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink',
1331                                 [ &$skinTemplate, &$nav_urls, &$revid, &$revid ] );
1332                 }
1333
1334                 if ( $out->isArticleRelated() ) {
1335                         $nav_urls['whatlinkshere'] = [
1336                                 'href' => SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage )->getLocalURL()
1337                         ];
1338
1339                         $nav_urls['info'] = [
1340                                 'text' => $this->msg( 'pageinfo-toolboxlink' )->text(),
1341                                 'href' => $this->getTitle()->getLocalURL( "action=info" )
1342                         ];
1343
1344                         if ( $this->getTitle()->exists() || $this->getTitle()->inNamespace( NS_CATEGORY ) ) {
1345                                 $nav_urls['recentchangeslinked'] = [
1346                                         'href' => SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage )->getLocalURL()
1347                                 ];
1348                         }
1349                 }
1350
1351                 $user = $this->getRelevantUser();
1352                 if ( $user ) {
1353                         $rootUser = $user->getName();
1354
1355                         $nav_urls['contributions'] = [
1356                                 'text' => $this->msg( 'contributions', $rootUser )->text(),
1357                                 'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser ),
1358                                 'tooltip-params' => [ $rootUser ],
1359                         ];
1360
1361                         $nav_urls['log'] = [
1362                                 'href' => self::makeSpecialUrlSubpage( 'Log', $rootUser )
1363                         ];
1364
1365                         if ( $this->getUser()->isAllowed( 'block' ) ) {
1366                                 $nav_urls['blockip'] = [
1367                                         'text' => $this->msg( 'blockip', $rootUser )->text(),
1368                                         'href' => self::makeSpecialUrlSubpage( 'Block', $rootUser )
1369                                 ];
1370                         }
1371
1372                         if ( $this->showEmailUser( $user ) ) {
1373                                 $nav_urls['emailuser'] = [
1374                                         'text' => $this->msg( 'tool-link-emailuser', $rootUser )->text(),
1375                                         'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser ),
1376                                         'tooltip-params' => [ $rootUser ],
1377                                 ];
1378                         }
1379
1380                         if ( !$user->isAnon() ) {
1381                                 $sur = new UserrightsPage;
1382                                 $sur->setContext( $this->getContext() );
1383                                 $canChange = $sur->userCanChangeRights( $user );
1384                                 $nav_urls['userrights'] = [
1385                                         'text' => $this->msg(
1386                                                 $canChange ? 'tool-link-userrights' : 'tool-link-userrights-readonly',
1387                                                 $rootUser
1388                                         )->text(),
1389                                         'href' => self::makeSpecialUrlSubpage( 'Userrights', $rootUser )
1390                                 ];
1391                         }
1392                 }
1393
1394                 return $nav_urls;
1395         }
1396
1397         /**
1398          * Generate strings used for xml 'id' names
1399          * @return string
1400          */
1401         protected function getNameSpaceKey() {
1402                 return $this->getTitle()->getNamespaceKey();
1403         }
1404 }