3 * Preparation for the final page rendering.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
23 use MediaWiki\Linker\LinkTarget
;
24 use MediaWiki\Logger\LoggerFactory
;
25 use MediaWiki\MediaWikiServices
;
26 use MediaWiki\Session\SessionManager
;
27 use Wikimedia\Rdbms\IResultWrapper
;
28 use Wikimedia\RelPath
;
29 use Wikimedia\WrappedString
;
30 use Wikimedia\WrappedStringList
;
33 * This class should be covered by a general architecture document which does
34 * not exist as of January 2011. This is one of the Core classes and should
35 * be read at least once by any new developers.
37 * This class is used to prepare the final rendering. A skin is then
38 * applied to the output parameters (links, javascript, html, categories ...).
40 * @todo FIXME: Another class handles sending the whole page to the client.
42 * Some comments comes from a pairing session between Zak Greant and Antoine Musso
47 class OutputPage
extends ContextSource
{
48 /** @var array Should be private. Used with addMeta() which adds "<meta>" */
49 protected $mMetatags = [];
52 protected $mLinktags = [];
55 protected $mCanonicalUrl = false;
58 * @var string The contents of <h1> */
59 private $mPageTitle = '';
62 * @var string Contains all of the "<body>" content. Should be private we
63 * got set/get accessors and the append() method.
65 public $mBodytext = '';
67 /** @var string Stores contents of "<title>" tag */
68 private $mHTMLtitle = '';
71 * @var bool Is the displayed content related to the source of the
72 * corresponding wiki article.
74 private $mIsarticle = false;
76 /** @var bool Stores "article flag" toggle. */
77 private $mIsArticleRelated = true;
80 * @var bool We have to set isPrintable(). Some pages should
81 * never be printed (ex: redirections).
83 private $mPrintable = false;
86 * @var array Contains the page subtitle. Special pages usually have some
87 * links here. Don't confuse with site subtitle added by skins.
89 private $mSubtitle = [];
92 public $mRedirect = '';
95 protected $mStatusCode;
98 * @var string Used for sending cache control.
99 * The whole caching system should probably be moved into its own class.
101 protected $mLastModified = '';
104 protected $mCategoryLinks = [];
107 protected $mCategories = [
113 protected $mIndicators = [];
115 /** @var array Array of Interwiki Prefixed (non DB key) Titles (e.g. 'fr:Test page') */
116 private $mLanguageLinks = [];
119 * Used for JavaScript (predates ResourceLoader)
120 * @todo We should split JS / CSS.
121 * mScripts content is inserted as is in "<head>" by Skin. This might
122 * contain either a link to a stylesheet or inline CSS.
124 private $mScripts = '';
126 /** @var string Inline CSS styles. Use addInlineStyle() sparingly */
127 protected $mInlineStyles = '';
130 * @var string Used by skin template.
131 * Example: $tpl->set( 'displaytitle', $out->mPageLinkTitle );
133 public $mPageLinkTitle = '';
135 /** @var array Array of elements in "<head>". Parser might add its own headers! */
136 protected $mHeadItems = [];
138 /** @var array Additional <body> classes; there are also <body> classes from other sources */
139 protected $mAdditionalBodyClasses = [];
142 protected $mModules = [];
145 protected $mModuleScripts = [];
148 protected $mModuleStyles = [];
150 /** @var ResourceLoader */
151 protected $mResourceLoader;
153 /** @var ResourceLoaderClientHtml */
156 /** @var ResourceLoaderContext */
157 private $rlClientContext;
160 private $rlExemptStyleModules;
163 protected $mJsConfigVars = [];
166 protected $mTemplateIds = [];
169 protected $mImageTimeKeys = [];
172 public $mRedirectCode = '';
174 protected $mFeedLinksAppendQuery = null;
177 * What level of 'untrustworthiness' is allowed in CSS/JS modules loaded on this page?
178 * @see ResourceLoaderModule::$origin
179 * ResourceLoaderModule::ORIGIN_ALL is assumed unless overridden;
181 protected $mAllowedModules = [
182 ResourceLoaderModule
::TYPE_COMBINED
=> ResourceLoaderModule
::ORIGIN_ALL
,
185 /** @var bool Whether output is disabled. If this is true, the 'output' method will do nothing. */
186 protected $mDoNothing = false;
191 protected $mContainsNewMagic = 0;
194 * lazy initialised, use parserOptions()
197 protected $mParserOptions = null;
200 * Handles the Atom / RSS links.
201 * We probably only support Atom in 2011.
202 * @see $wgAdvertisedFeedTypes
204 private $mFeedLinks = [];
206 // Gwicke work on squid caching? Roughly from 2003.
207 protected $mEnableClientCache = true;
209 /** @var bool Flag if output should only contain the body of the article. */
210 private $mArticleBodyOnly = false;
213 protected $mNewSectionLink = false;
216 protected $mHideNewSectionLink = false;
219 * @var bool Comes from the parser. This was probably made to load CSS/JS
220 * only if we had "<gallery>". Used directly in CategoryPage.php.
221 * Looks like ResourceLoader can replace this.
223 public $mNoGallery = false;
226 private $mPageTitleActionText = '';
228 /** @var int Cache stuff. Looks like mEnableClientCache */
229 protected $mCdnMaxage = 0;
230 /** @var int Upper limit on mCdnMaxage */
231 protected $mCdnMaxageLimit = INF
;
234 * @var bool Controls if anti-clickjacking / frame-breaking headers will
235 * be sent. This should be done for pages where edit actions are possible.
236 * Setters: $this->preventClickjacking() and $this->allowClickjacking().
238 protected $mPreventClickjacking = true;
240 /** @var int To include the variable {{REVISIONID}} */
241 private $mRevisionId = null;
244 private $mRevisionTimestamp = null;
247 protected $mFileVersion = null;
250 * @var array An array of stylesheet filenames (relative from skins path),
251 * with options for CSS media, IE conditions, and RTL/LTR direction.
252 * For internal use; add settings in the skin via $this->addStyle()
254 * Style again! This seems like a code duplication since we already have
255 * mStyles. This is what makes Open Source amazing.
257 protected $styles = [];
259 private $mIndexPolicy = 'index';
260 private $mFollowPolicy = 'follow';
261 private $mVaryHeader = [
262 'Accept-Encoding' => [ 'match=gzip' ],
266 * If the current page was reached through a redirect, $mRedirectedFrom contains the Title
271 private $mRedirectedFrom = null;
274 * Additional key => value data
276 private $mProperties = [];
279 * @var string|null ResourceLoader target for load.php links. If null, will be omitted
281 private $mTarget = null;
284 * @var bool Whether parser output contains a table of contents
286 private $mEnableTOC = false;
289 * @var string|null The URL to send in a <link> element with rel=license
291 private $copyrightUrl;
293 /** @var array Profiling data */
294 private $limitReportJSData = [];
296 /** @var array Map Title to Content */
297 private $contentOverrides = [];
299 /** @var callable[] */
300 private $contentOverrideCallbacks = [];
303 * Link: header contents
305 private $mLinkHeader = [];
308 * @var string The nonce for Content-Security-Policy
313 * Constructor for OutputPage. This should not be called directly.
314 * Instead a new RequestContext should be created and it will implicitly create
315 * a OutputPage tied to that context.
316 * @param IContextSource $context
318 function __construct( IContextSource
$context ) {
319 $this->setContext( $context );
323 * Redirect to $url rather than displaying the normal page
326 * @param string $responsecode HTTP status code
328 public function redirect( $url, $responsecode = '302' ) {
329 # Strip newlines as a paranoia check for header injection in PHP<5.1.2
330 $this->mRedirect
= str_replace( "\n", '', $url );
331 $this->mRedirectCode
= $responsecode;
335 * Get the URL to redirect to, or an empty string if not redirect URL set
339 public function getRedirect() {
340 return $this->mRedirect
;
344 * Set the copyright URL to send with the output.
345 * Empty string to omit, null to reset.
349 * @param string|null $url
351 public function setCopyrightUrl( $url ) {
352 $this->copyrightUrl
= $url;
356 * Set the HTTP status code to send with the output.
358 * @param int $statusCode
360 public function setStatusCode( $statusCode ) {
361 $this->mStatusCode
= $statusCode;
365 * Add a new "<meta>" tag
366 * To add an http-equiv meta tag, precede the name with "http:"
368 * @param string $name Name of the meta tag
369 * @param string $val Value of the meta tag
371 function addMeta( $name, $val ) {
372 array_push( $this->mMetatags
, [ $name, $val ] );
376 * Returns the current <meta> tags
381 public function getMetaTags() {
382 return $this->mMetatags
;
386 * Add a new \<link\> tag to the page header.
388 * Note: use setCanonicalUrl() for rel=canonical.
390 * @param array $linkarr Associative array of attributes.
392 function addLink( array $linkarr ) {
393 array_push( $this->mLinktags
, $linkarr );
397 * Returns the current <link> tags
402 public function getLinkTags() {
403 return $this->mLinktags
;
407 * Set the URL to be used for the <link rel=canonical>. This should be used
408 * in preference to addLink(), to avoid duplicate link tags.
411 function setCanonicalUrl( $url ) {
412 $this->mCanonicalUrl
= $url;
416 * Returns the URL to be used for the <link rel=canonical> if
420 * @return bool|string
422 public function getCanonicalUrl() {
423 return $this->mCanonicalUrl
;
427 * Add raw HTML to the list of scripts (including \<script\> tag, etc.)
428 * Internal use only. Use OutputPage::addModules() or OutputPage::addJsConfigVars()
431 * @param string $script Raw HTML
433 function addScript( $script ) {
434 $this->mScripts
.= $script;
438 * Add a JavaScript file to be loaded as `<script>` on this page.
440 * Internal use only. Use OutputPage::addModules() if possible.
442 * @param string $file URL to file (absolute path, protocol-relative, or full url)
443 * @param string|null $unused Previously used to change the cache-busting query parameter
445 public function addScriptFile( $file, $unused = null ) {
446 if ( substr( $file, 0, 1 ) !== '/' && !preg_match( '#^[a-z]*://#i', $file ) ) {
447 // This is not an absolute path, protocol-relative url, or full scheme url,
448 // presumed to be an old call intended to include a file from /w/skins/common,
449 // which doesn't exist anymore as of MediaWiki 1.24 per T71277. Ignore.
450 wfDeprecated( __METHOD__
, '1.24' );
453 $this->addScript( Html
::linkedScript( $file, $this->getCSPNonce() ) );
457 * Add a self-contained script tag with the given contents
458 * Internal use only. Use OutputPage::addModules() if possible.
460 * @param string $script JavaScript text, no script tags
462 public function addInlineScript( $script ) {
463 $this->mScripts
.= Html
::inlineScript( "\n$script\n", $this->getCSPNonce() ) . "\n";
467 * Filter an array of modules to remove insufficiently trustworthy members, and modules
468 * which are no longer registered (eg a page is cached before an extension is disabled)
469 * @param array $modules
470 * @param string|null $position Unused
471 * @param string $type
474 protected function filterModules( array $modules, $position = null,
475 $type = ResourceLoaderModule
::TYPE_COMBINED
477 $resourceLoader = $this->getResourceLoader();
478 $filteredModules = [];
479 foreach ( $modules as $val ) {
480 $module = $resourceLoader->getModule( $val );
481 if ( $module instanceof ResourceLoaderModule
482 && $module->getOrigin() <= $this->getAllowedModules( $type )
484 if ( $this->mTarget
&& !in_array( $this->mTarget
, $module->getTargets() ) ) {
485 $this->warnModuleTargetFilter( $module->getName() );
488 $filteredModules[] = $val;
491 return $filteredModules;
494 private function warnModuleTargetFilter( $moduleName ) {
495 static $warnings = [];
496 if ( isset( $warnings[$this->mTarget
][$moduleName] ) ) {
499 $warnings[$this->mTarget
][$moduleName] = true;
500 $this->getResourceLoader()->getLogger()->debug(
501 'Module "{module}" not loadable on target "{target}".',
503 'module' => $moduleName,
504 'target' => $this->mTarget
,
510 * Get the list of modules to include on this page
512 * @param bool $filter Whether to filter out insufficiently trustworthy modules
513 * @param string|null $position Unused
514 * @param string $param
515 * @param string $type
516 * @return array Array of module names
518 public function getModules( $filter = false, $position = null, $param = 'mModules',
519 $type = ResourceLoaderModule
::TYPE_COMBINED
521 $modules = array_values( array_unique( $this->$param ) );
523 ?
$this->filterModules( $modules, null, $type )
528 * Load one or more ResourceLoader modules on this page.
530 * @param string|array $modules Module name (string) or array of module names
532 public function addModules( $modules ) {
533 $this->mModules
= array_merge( $this->mModules
, (array)$modules );
537 * Get the list of script-only modules to load on this page.
539 * @param bool $filter
540 * @param string|null $position Unused
541 * @return array Array of module names
543 public function getModuleScripts( $filter = false, $position = null ) {
544 return $this->getModules( $filter, null, 'mModuleScripts',
545 ResourceLoaderModule
::TYPE_SCRIPTS
550 * Load the scripts of one or more ResourceLoader modules, on this page.
552 * This method exists purely to provide the legacy behaviour of loading
553 * a module's scripts in the global scope, and without dependency resolution.
554 * See <https://phabricator.wikimedia.org/T188689>.
556 * @deprecated since 1.31 Use addModules() instead.
557 * @param string|array $modules Module name (string) or array of module names
559 public function addModuleScripts( $modules ) {
560 $this->mModuleScripts
= array_merge( $this->mModuleScripts
, (array)$modules );
564 * Get the list of style-only modules to load on this page.
566 * @param bool $filter
567 * @param string|null $position Unused
568 * @return array Array of module names
570 public function getModuleStyles( $filter = false, $position = null ) {
571 return $this->getModules( $filter, null, 'mModuleStyles',
572 ResourceLoaderModule
::TYPE_STYLES
577 * Load the styles of one or more ResourceLoader modules on this page.
579 * Module styles added through this function will be loaded as a stylesheet,
580 * using a standard `<link rel=stylesheet>` HTML tag, rather than as a combined
581 * Javascript and CSS package. Thus, they will even load when JavaScript is disabled.
583 * @param string|array $modules Module name (string) or array of module names
585 public function addModuleStyles( $modules ) {
586 $this->mModuleStyles
= array_merge( $this->mModuleStyles
, (array)$modules );
590 * @return null|string ResourceLoader target
592 public function getTarget() {
593 return $this->mTarget
;
597 * Sets ResourceLoader target for load.php links. If null, will be omitted
599 * @param string|null $target
601 public function setTarget( $target ) {
602 $this->mTarget
= $target;
606 * Add a mapping from a LinkTarget to a Content, for things like page preview.
607 * @see self::addContentOverrideCallback()
609 * @param LinkTarget $target
610 * @param Content $content
612 public function addContentOverride( LinkTarget
$target, Content
$content ) {
613 if ( !$this->contentOverrides
) {
614 // Register a callback for $this->contentOverrides on the first call
615 $this->addContentOverrideCallback( function ( LinkTarget
$target ) {
616 $key = $target->getNamespace() . ':' . $target->getDBkey();
617 return $this->contentOverrides
[$key] ??
null;
621 $key = $target->getNamespace() . ':' . $target->getDBkey();
622 $this->contentOverrides
[$key] = $content;
626 * Add a callback for mapping from a Title to a Content object, for things
628 * @see ResourceLoaderContext::getContentOverrideCallback()
630 * @param callable $callback
632 public function addContentOverrideCallback( callable
$callback ) {
633 $this->contentOverrideCallbacks
[] = $callback;
637 * Get an array of head items
641 function getHeadItemsArray() {
642 return $this->mHeadItems
;
646 * Add or replace a head item to the output
648 * Whenever possible, use more specific options like ResourceLoader modules,
649 * OutputPage::addLink(), OutputPage::addMetaLink() and OutputPage::addFeedLink()
650 * Fallback options for those are: OutputPage::addStyle, OutputPage::addScript(),
651 * OutputPage::addInlineScript() and OutputPage::addInlineStyle()
652 * This would be your very LAST fallback.
654 * @param string $name Item name
655 * @param string $value Raw HTML
657 public function addHeadItem( $name, $value ) {
658 $this->mHeadItems
[$name] = $value;
662 * Add one or more head items to the output
665 * @param string|string[] $values Raw HTML
667 public function addHeadItems( $values ) {
668 $this->mHeadItems
= array_merge( $this->mHeadItems
, (array)$values );
672 * Check if the header item $name is already set
674 * @param string $name Item name
677 public function hasHeadItem( $name ) {
678 return isset( $this->mHeadItems
[$name] );
682 * Add a class to the <body> element
685 * @param string|string[] $classes One or more classes to add
687 public function addBodyClasses( $classes ) {
688 $this->mAdditionalBodyClasses
= array_merge( $this->mAdditionalBodyClasses
, (array)$classes );
692 * Set whether the output should only contain the body of the article,
693 * without any skin, sidebar, etc.
694 * Used e.g. when calling with "action=render".
696 * @param bool $only Whether to output only the body of the article
698 public function setArticleBodyOnly( $only ) {
699 $this->mArticleBodyOnly
= $only;
703 * Return whether the output will contain only the body of the article
707 public function getArticleBodyOnly() {
708 return $this->mArticleBodyOnly
;
712 * Set an additional output property
715 * @param string $name
716 * @param mixed $value
718 public function setProperty( $name, $value ) {
719 $this->mProperties
[$name] = $value;
723 * Get an additional output property
726 * @param string $name
727 * @return mixed Property value or null if not found
729 public function getProperty( $name ) {
730 return $this->mProperties
[$name] ??
null;
734 * checkLastModified tells the client to use the client-cached page if
735 * possible. If successful, the OutputPage is disabled so that
736 * any future call to OutputPage->output() have no effect.
738 * Side effect: sets mLastModified for Last-Modified header
740 * @param string $timestamp
742 * @return bool True if cache-ok headers was sent.
744 public function checkLastModified( $timestamp ) {
745 if ( !$timestamp ||
$timestamp == '19700101000000' ) {
746 wfDebug( __METHOD__
. ": CACHE DISABLED, NO TIMESTAMP\n" );
749 $config = $this->getConfig();
750 if ( !$config->get( 'CachePages' ) ) {
751 wfDebug( __METHOD__
. ": CACHE DISABLED\n" );
755 $timestamp = wfTimestamp( TS_MW
, $timestamp );
757 'page' => $timestamp,
758 'user' => $this->getUser()->getTouched(),
759 'epoch' => $config->get( 'CacheEpoch' )
761 if ( $config->get( 'UseSquid' ) ) {
762 $modifiedTimes['sepoch'] = wfTimestamp( TS_MW
, $this->getCdnCacheEpoch(
764 $config->get( 'SquidMaxage' )
767 Hooks
::run( 'OutputPageCheckLastModified', [ &$modifiedTimes, $this ] );
769 $maxModified = max( $modifiedTimes );
770 $this->mLastModified
= wfTimestamp( TS_RFC2822
, $maxModified );
772 $clientHeader = $this->getRequest()->getHeader( 'If-Modified-Since' );
773 if ( $clientHeader === false ) {
774 wfDebug( __METHOD__
. ": client did not send If-Modified-Since header", 'private' );
778 # IE sends sizes after the date like this:
779 # Wed, 20 Aug 2003 06:51:19 GMT; length=5202
780 # this breaks strtotime().
781 $clientHeader = preg_replace( '/;.*$/', '', $clientHeader );
783 Wikimedia\
suppressWarnings(); // E_STRICT system time warnings
784 $clientHeaderTime = strtotime( $clientHeader );
785 Wikimedia\restoreWarnings
();
786 if ( !$clientHeaderTime ) {
788 . ": unable to parse the client's If-Modified-Since header: $clientHeader\n" );
791 $clientHeaderTime = wfTimestamp( TS_MW
, $clientHeaderTime );
795 foreach ( $modifiedTimes as $name => $value ) {
796 if ( $info !== '' ) {
799 $info .= "$name=" . wfTimestamp( TS_ISO_8601
, $value );
802 wfDebug( __METHOD__
. ": client sent If-Modified-Since: " .
803 wfTimestamp( TS_ISO_8601
, $clientHeaderTime ), 'private' );
804 wfDebug( __METHOD__
. ": effective Last-Modified: " .
805 wfTimestamp( TS_ISO_8601
, $maxModified ), 'private' );
806 if ( $clientHeaderTime < $maxModified ) {
807 wfDebug( __METHOD__
. ": STALE, $info", 'private' );
812 # Give a 304 Not Modified response code and disable body output
813 wfDebug( __METHOD__
. ": NOT MODIFIED, $info", 'private' );
814 ini_set( 'zlib.output_compression', 0 );
815 $this->getRequest()->response()->statusHeader( 304 );
816 $this->sendCacheControl();
819 // Don't output a compressed blob when using ob_gzhandler;
820 // it's technically against HTTP spec and seems to confuse
821 // Firefox when the response gets split over two packets.
822 wfClearOutputBuffers();
828 * @param int $reqTime Time of request (eg. now)
829 * @param int $maxAge Cache TTL in seconds
830 * @return int Timestamp
832 private function getCdnCacheEpoch( $reqTime, $maxAge ) {
833 // Ensure Last-Modified is never more than (wgSquidMaxage) in the past,
834 // because even if the wiki page content hasn't changed since, static
835 // resources may have changed (skin HTML, interface messages, urls, etc.)
836 // and must roll-over in a timely manner (T46570)
837 return $reqTime - $maxAge;
841 * Override the last modified timestamp
843 * @param string $timestamp New timestamp, in a format readable by
846 public function setLastModified( $timestamp ) {
847 $this->mLastModified
= wfTimestamp( TS_RFC2822
, $timestamp );
851 * Set the robot policy for the page: <http://www.robotstxt.org/meta.html>
853 * @param string $policy The literal string to output as the contents of
854 * the meta tag. Will be parsed according to the spec and output in
858 public function setRobotPolicy( $policy ) {
859 $policy = Article
::formatRobotPolicy( $policy );
861 if ( isset( $policy['index'] ) ) {
862 $this->setIndexPolicy( $policy['index'] );
864 if ( isset( $policy['follow'] ) ) {
865 $this->setFollowPolicy( $policy['follow'] );
870 * Set the index policy for the page, but leave the follow policy un-
873 * @param string $policy Either 'index' or 'noindex'.
876 public function setIndexPolicy( $policy ) {
877 $policy = trim( $policy );
878 if ( in_array( $policy, [ 'index', 'noindex' ] ) ) {
879 $this->mIndexPolicy
= $policy;
884 * Set the follow policy for the page, but leave the index policy un-
887 * @param string $policy Either 'follow' or 'nofollow'.
890 public function setFollowPolicy( $policy ) {
891 $policy = trim( $policy );
892 if ( in_array( $policy, [ 'follow', 'nofollow' ] ) ) {
893 $this->mFollowPolicy
= $policy;
898 * Set the new value of the "action text", this will be added to the
899 * "HTML title", separated from it with " - ".
901 * @param string $text New value of the "action text"
903 public function setPageTitleActionText( $text ) {
904 $this->mPageTitleActionText
= $text;
908 * Get the value of the "action text"
912 public function getPageTitleActionText() {
913 return $this->mPageTitleActionText
;
917 * "HTML title" means the contents of "<title>".
918 * It is stored as plain, unescaped text and will be run through htmlspecialchars in the skin file.
920 * @param string|Message $name
922 public function setHTMLTitle( $name ) {
923 if ( $name instanceof Message
) {
924 $this->mHTMLtitle
= $name->setContext( $this->getContext() )->text();
926 $this->mHTMLtitle
= $name;
931 * Return the "HTML title", i.e. the content of the "<title>" tag.
935 public function getHTMLTitle() {
936 return $this->mHTMLtitle
;
940 * Set $mRedirectedFrom, the Title of the page which redirected us to the current page.
944 public function setRedirectedFrom( $t ) {
945 $this->mRedirectedFrom
= $t;
949 * "Page title" means the contents of \<h1\>. It is stored as a valid HTML
950 * fragment. This function allows good tags like \<sup\> in the \<h1\> tag,
951 * but not bad tags like \<script\>. This function automatically sets
952 * \<title\> to the same content as \<h1\> but with all tags removed. Bad
953 * tags that were escaped in \<h1\> will still be escaped in \<title\>, and
954 * good tags like \<i\> will be dropped entirely.
956 * @param string|Message $name
958 public function setPageTitle( $name ) {
959 if ( $name instanceof Message
) {
960 $name = $name->setContext( $this->getContext() )->text();
963 # change "<script>foo&bar</script>" to "<script>foo&bar</script>"
964 # but leave "<i>foobar</i>" alone
965 $nameWithTags = Sanitizer
::normalizeCharReferences( Sanitizer
::removeHTMLtags( $name ) );
966 $this->mPageTitle
= $nameWithTags;
968 # change "<i>foo&bar</i>" to "foo&bar"
970 $this->msg( 'pagetitle' )->rawParams( Sanitizer
::stripAllTags( $nameWithTags ) )
971 ->inContentLanguage()
976 * Return the "page title", i.e. the content of the \<h1\> tag.
980 public function getPageTitle() {
981 return $this->mPageTitle
;
985 * Set the Title object to use
989 public function setTitle( Title
$t ) {
990 $this->getContext()->setTitle( $t );
994 * Replace the subtitle with $str
996 * @param string|Message $str New value of the subtitle. String should be safe HTML.
998 public function setSubtitle( $str ) {
999 $this->clearSubtitle();
1000 $this->addSubtitle( $str );
1004 * Add $str to the subtitle
1006 * @param string|Message $str String or Message to add to the subtitle. String should be safe HTML.
1008 public function addSubtitle( $str ) {
1009 if ( $str instanceof Message
) {
1010 $this->mSubtitle
[] = $str->setContext( $this->getContext() )->parse();
1012 $this->mSubtitle
[] = $str;
1017 * Build message object for a subtitle containing a backlink to a page
1019 * @param Title $title Title to link to
1020 * @param array $query Array of additional parameters to include in the link
1024 public static function buildBacklinkSubtitle( Title
$title, $query = [] ) {
1025 if ( $title->isRedirect() ) {
1026 $query['redirect'] = 'no';
1028 $linkRenderer = MediaWikiServices
::getInstance()->getLinkRenderer();
1029 return wfMessage( 'backlinksubtitle' )
1030 ->rawParams( $linkRenderer->makeLink( $title, null, [], $query ) );
1034 * Add a subtitle containing a backlink to a page
1036 * @param Title $title Title to link to
1037 * @param array $query Array of additional parameters to include in the link
1039 public function addBacklinkSubtitle( Title
$title, $query = [] ) {
1040 $this->addSubtitle( self
::buildBacklinkSubtitle( $title, $query ) );
1044 * Clear the subtitles
1046 public function clearSubtitle() {
1047 $this->mSubtitle
= [];
1055 public function getSubtitle() {
1056 return implode( "<br />\n\t\t\t\t", $this->mSubtitle
);
1060 * Set the page as printable, i.e. it'll be displayed with all
1061 * print styles included
1063 public function setPrintable() {
1064 $this->mPrintable
= true;
1068 * Return whether the page is "printable"
1072 public function isPrintable() {
1073 return $this->mPrintable
;
1077 * Disable output completely, i.e. calling output() will have no effect
1079 public function disable() {
1080 $this->mDoNothing
= true;
1084 * Return whether the output will be completely disabled
1088 public function isDisabled() {
1089 return $this->mDoNothing
;
1093 * Show an "add new section" link?
1097 public function showNewSectionLink() {
1098 return $this->mNewSectionLink
;
1102 * Forcibly hide the new section link?
1106 public function forceHideNewSectionLink() {
1107 return $this->mHideNewSectionLink
;
1111 * Add or remove feed links in the page header
1112 * This is mainly kept for backward compatibility, see OutputPage::addFeedLink()
1113 * for the new version
1114 * @see addFeedLink()
1116 * @param bool $show True: add default feeds, false: remove all feeds
1118 public function setSyndicated( $show = true ) {
1120 $this->setFeedAppendQuery( false );
1122 $this->mFeedLinks
= [];
1127 * Add default feeds to the page header
1128 * This is mainly kept for backward compatibility, see OutputPage::addFeedLink()
1129 * for the new version
1130 * @see addFeedLink()
1132 * @param string $val Query to append to feed links or false to output
1135 public function setFeedAppendQuery( $val ) {
1136 $this->mFeedLinks
= [];
1138 foreach ( $this->getConfig()->get( 'AdvertisedFeedTypes' ) as $type ) {
1139 $query = "feed=$type";
1140 if ( is_string( $val ) ) {
1141 $query .= '&' . $val;
1143 $this->mFeedLinks
[$type] = $this->getTitle()->getLocalURL( $query );
1148 * Add a feed link to the page header
1150 * @param string $format Feed type, should be a key of $wgFeedClasses
1151 * @param string $href URL
1153 public function addFeedLink( $format, $href ) {
1154 if ( in_array( $format, $this->getConfig()->get( 'AdvertisedFeedTypes' ) ) ) {
1155 $this->mFeedLinks
[$format] = $href;
1160 * Should we output feed links for this page?
1163 public function isSyndicated() {
1164 return count( $this->mFeedLinks
) > 0;
1168 * Return URLs for each supported syndication format for this page.
1169 * @return array Associating format keys with URLs
1171 public function getSyndicationLinks() {
1172 return $this->mFeedLinks
;
1176 * Will currently always return null
1180 public function getFeedAppendQuery() {
1181 return $this->mFeedLinksAppendQuery
;
1185 * Set whether the displayed content is related to the source of the
1186 * corresponding article on the wiki
1187 * Setting true will cause the change "article related" toggle to true
1191 public function setArticleFlag( $v ) {
1192 $this->mIsarticle
= $v;
1194 $this->mIsArticleRelated
= $v;
1199 * Return whether the content displayed page is related to the source of
1200 * the corresponding article on the wiki
1204 public function isArticle() {
1205 return $this->mIsarticle
;
1209 * Set whether this page is related an article on the wiki
1210 * Setting false will cause the change of "article flag" toggle to false
1214 public function setArticleRelated( $v ) {
1215 $this->mIsArticleRelated
= $v;
1217 $this->mIsarticle
= false;
1222 * Return whether this page is related an article on the wiki
1226 public function isArticleRelated() {
1227 return $this->mIsArticleRelated
;
1231 * Add new language links
1233 * @param string[] $newLinkArray Array of interwiki-prefixed (non DB key) titles
1234 * (e.g. 'fr:Test page')
1236 public function addLanguageLinks( array $newLinkArray ) {
1237 $this->mLanguageLinks
= array_merge( $this->mLanguageLinks
, $newLinkArray );
1241 * Reset the language links and add new language links
1243 * @param string[] $newLinkArray Array of interwiki-prefixed (non DB key) titles
1244 * (e.g. 'fr:Test page')
1246 public function setLanguageLinks( array $newLinkArray ) {
1247 $this->mLanguageLinks
= $newLinkArray;
1251 * Get the list of language links
1253 * @return string[] Array of interwiki-prefixed (non DB key) titles (e.g. 'fr:Test page')
1255 public function getLanguageLinks() {
1256 return $this->mLanguageLinks
;
1260 * Add an array of categories, with names in the keys
1262 * @param array $categories Mapping category name => sort key
1264 public function addCategoryLinks( array $categories ) {
1267 if ( !is_array( $categories ) ||
count( $categories ) == 0 ) {
1271 $res = $this->addCategoryLinksToLBAndGetResult( $categories );
1273 # Set all the values to 'normal'.
1274 $categories = array_fill_keys( array_keys( $categories ), 'normal' );
1276 # Mark hidden categories
1277 foreach ( $res as $row ) {
1278 if ( isset( $row->pp_value
) ) {
1279 $categories[$row->page_title
] = 'hidden';
1283 // Avoid PHP 7.1 warning of passing $this by reference
1284 $outputPage = $this;
1285 # Add the remaining categories to the skin
1287 'OutputPageMakeCategoryLinks',
1288 [ &$outputPage, $categories, &$this->mCategoryLinks
] )
1290 $linkRenderer = MediaWikiServices
::getInstance()->getLinkRenderer();
1291 foreach ( $categories as $category => $type ) {
1292 // array keys will cast numeric category names to ints, so cast back to string
1293 $category = (string)$category;
1294 $origcategory = $category;
1295 $title = Title
::makeTitleSafe( NS_CATEGORY
, $category );
1299 $wgContLang->findVariantLink( $category, $title, true );
1300 if ( $category != $origcategory && array_key_exists( $category, $categories ) ) {
1303 $text = $wgContLang->convertHtml( $title->getText() );
1304 $this->mCategories
[$type][] = $title->getText();
1305 $this->mCategoryLinks
[$type][] = $linkRenderer->makeLink( $title, new HtmlArmor( $text ) );
1311 * @param array $categories
1312 * @return bool|IResultWrapper
1314 protected function addCategoryLinksToLBAndGetResult( array $categories ) {
1315 # Add the links to a LinkBatch
1316 $arr = [ NS_CATEGORY
=> $categories ];
1317 $lb = new LinkBatch
;
1318 $lb->setArray( $arr );
1320 # Fetch existence plus the hiddencat property
1321 $dbr = wfGetDB( DB_REPLICA
);
1322 $fields = array_merge(
1323 LinkCache
::getSelectFields(),
1324 [ 'page_namespace', 'page_title', 'pp_value' ]
1327 $res = $dbr->select( [ 'page', 'page_props' ],
1329 $lb->constructSet( 'page', $dbr ),
1332 [ 'page_props' => [ 'LEFT JOIN', [
1333 'pp_propname' => 'hiddencat',
1338 # Add the results to the link cache
1339 $linkCache = MediaWikiServices
::getInstance()->getLinkCache();
1340 $lb->addResultToCache( $linkCache, $res );
1346 * Reset the category links (but not the category list) and add $categories
1348 * @param array $categories Mapping category name => sort key
1350 public function setCategoryLinks( array $categories ) {
1351 $this->mCategoryLinks
= [];
1352 $this->addCategoryLinks( $categories );
1356 * Get the list of category links, in a 2-D array with the following format:
1357 * $arr[$type][] = $link, where $type is either "normal" or "hidden" (for
1358 * hidden categories) and $link a HTML fragment with a link to the category
1363 public function getCategoryLinks() {
1364 return $this->mCategoryLinks
;
1368 * Get the list of category names this page belongs to.
1370 * @param string $type The type of categories which should be returned. Possible values:
1371 * * all: all categories of all types
1372 * * hidden: only the hidden categories
1373 * * normal: all categories, except hidden categories
1374 * @return array Array of strings
1376 public function getCategories( $type = 'all' ) {
1377 if ( $type === 'all' ) {
1378 $allCategories = [];
1379 foreach ( $this->mCategories
as $categories ) {
1380 $allCategories = array_merge( $allCategories, $categories );
1382 return $allCategories;
1384 if ( !isset( $this->mCategories
[$type] ) ) {
1385 throw new InvalidArgumentException( 'Invalid category type given: ' . $type );
1387 return $this->mCategories
[$type];
1391 * Add an array of indicators, with their identifiers as array
1392 * keys and HTML contents as values.
1394 * In case of duplicate keys, existing values are overwritten.
1396 * @param array $indicators
1399 public function setIndicators( array $indicators ) {
1400 $this->mIndicators
= $indicators +
$this->mIndicators
;
1401 // Keep ordered by key
1402 ksort( $this->mIndicators
);
1406 * Get the indicators associated with this page.
1408 * The array will be internally ordered by item keys.
1410 * @return array Keys: identifiers, values: HTML contents
1413 public function getIndicators() {
1414 return $this->mIndicators
;
1418 * Adds help link with an icon via page indicators.
1419 * Link target can be overridden by a local message containing a wikilink:
1420 * the message key is: lowercase action or special page name + '-helppage'.
1421 * @param string $to Target MediaWiki.org page title or encoded URL.
1422 * @param bool $overrideBaseUrl Whether $url is a full URL, to avoid MW.o.
1425 public function addHelpLink( $to, $overrideBaseUrl = false ) {
1426 $this->addModuleStyles( 'mediawiki.helplink' );
1427 $text = $this->msg( 'helppage-top-gethelp' )->escaped();
1429 if ( $overrideBaseUrl ) {
1432 $toUrlencoded = wfUrlencode( str_replace( ' ', '_', $to ) );
1433 $helpUrl = "//www.mediawiki.org/wiki/Special:MyLanguage/$toUrlencoded";
1436 $link = Html
::rawElement(
1440 'target' => '_blank',
1441 'class' => 'mw-helplink',
1446 $this->setIndicators( [ 'mw-helplink' => $link ] );
1450 * Do not allow scripts which can be modified by wiki users to load on this page;
1451 * only allow scripts bundled with, or generated by, the software.
1452 * Site-wide styles are controlled by a config setting, since they can be
1453 * used to create a custom skin/theme, but not user-specific ones.
1455 * @todo this should be given a more accurate name
1457 public function disallowUserJs() {
1458 $this->reduceAllowedModules(
1459 ResourceLoaderModule
::TYPE_SCRIPTS
,
1460 ResourceLoaderModule
::ORIGIN_CORE_INDIVIDUAL
1463 // Site-wide styles are controlled by a config setting, see T73621
1464 // for background on why. User styles are never allowed.
1465 if ( $this->getConfig()->get( 'AllowSiteCSSOnRestrictedPages' ) ) {
1466 $styleOrigin = ResourceLoaderModule
::ORIGIN_USER_SITEWIDE
;
1468 $styleOrigin = ResourceLoaderModule
::ORIGIN_CORE_INDIVIDUAL
;
1470 $this->reduceAllowedModules(
1471 ResourceLoaderModule
::TYPE_STYLES
,
1477 * Show what level of JavaScript / CSS untrustworthiness is allowed on this page
1478 * @see ResourceLoaderModule::$origin
1479 * @param string $type ResourceLoaderModule TYPE_ constant
1480 * @return int ResourceLoaderModule ORIGIN_ class constant
1482 public function getAllowedModules( $type ) {
1483 if ( $type == ResourceLoaderModule
::TYPE_COMBINED
) {
1484 return min( array_values( $this->mAllowedModules
) );
1486 return $this->mAllowedModules
[$type] ?? ResourceLoaderModule
::ORIGIN_ALL
;
1491 * Limit the highest level of CSS/JS untrustworthiness allowed.
1493 * If passed the same or a higher level than the current level of untrustworthiness set, the
1494 * level will remain unchanged.
1496 * @param string $type
1497 * @param int $level ResourceLoaderModule class constant
1499 public function reduceAllowedModules( $type, $level ) {
1500 $this->mAllowedModules
[$type] = min( $this->getAllowedModules( $type ), $level );
1504 * Prepend $text to the body HTML
1506 * @param string $text HTML
1508 public function prependHTML( $text ) {
1509 $this->mBodytext
= $text . $this->mBodytext
;
1513 * Append $text to the body HTML
1515 * @param string $text HTML
1517 public function addHTML( $text ) {
1518 $this->mBodytext
.= $text;
1522 * Shortcut for adding an Html::element via addHTML.
1526 * @param string $element
1527 * @param array $attribs
1528 * @param string $contents
1530 public function addElement( $element, array $attribs = [], $contents = '' ) {
1531 $this->addHTML( Html
::element( $element, $attribs, $contents ) );
1535 * Clear the body HTML
1537 public function clearHTML() {
1538 $this->mBodytext
= '';
1544 * @return string HTML
1546 public function getHTML() {
1547 return $this->mBodytext
;
1551 * Get/set the ParserOptions object to use for wikitext parsing
1553 * @param ParserOptions|null $options Either the ParserOption to use or null to only get the
1554 * current ParserOption object. This parameter is deprecated since 1.31.
1555 * @return ParserOptions
1557 public function parserOptions( $options = null ) {
1558 if ( $options !== null ) {
1559 wfDeprecated( __METHOD__
. ' with non-null $options', '1.31' );
1562 if ( $options !== null && !empty( $options->isBogus
) ) {
1563 // Someone is trying to set a bogus pre-$wgUser PO. Check if it has
1564 // been changed somehow, and keep it if so.
1565 $anonPO = ParserOptions
::newFromAnon();
1566 $anonPO->setAllowUnsafeRawHtml( false );
1567 if ( !$options->matches( $anonPO ) ) {
1568 wfLogWarning( __METHOD__
. ': Setting a changed bogus ParserOptions: ' . wfGetAllCallers( 5 ) );
1569 $options->isBogus
= false;
1573 if ( !$this->mParserOptions
) {
1574 if ( !$this->getContext()->getUser()->isSafeToLoad() ) {
1575 // $wgUser isn't unstubbable yet, so don't try to get a
1576 // ParserOptions for it. And don't cache this ParserOptions
1578 $po = ParserOptions
::newFromAnon();
1579 $po->setAllowUnsafeRawHtml( false );
1580 $po->isBogus
= true;
1581 if ( $options !== null ) {
1582 $this->mParserOptions
= empty( $options->isBogus
) ?
$options : null;
1587 $this->mParserOptions
= ParserOptions
::newFromContext( $this->getContext() );
1588 $this->mParserOptions
->setAllowUnsafeRawHtml( false );
1591 if ( $options !== null && !empty( $options->isBogus
) ) {
1592 // They're trying to restore the bogus pre-$wgUser PO. Do the right
1594 return wfSetVar( $this->mParserOptions
, null, true );
1596 return wfSetVar( $this->mParserOptions
, $options );
1601 * Set the revision ID which will be seen by the wiki text parser
1602 * for things such as embedded {{REVISIONID}} variable use.
1604 * @param int|null $revid An positive integer, or null
1605 * @return mixed Previous value
1607 public function setRevisionId( $revid ) {
1608 $val = is_null( $revid ) ?
null : intval( $revid );
1609 return wfSetVar( $this->mRevisionId
, $val );
1613 * Get the displayed revision ID
1617 public function getRevisionId() {
1618 return $this->mRevisionId
;
1622 * Set the timestamp of the revision which will be displayed. This is used
1623 * to avoid a extra DB call in Skin::lastModified().
1625 * @param string|null $timestamp
1626 * @return mixed Previous value
1628 public function setRevisionTimestamp( $timestamp ) {
1629 return wfSetVar( $this->mRevisionTimestamp
, $timestamp );
1633 * Get the timestamp of displayed revision.
1634 * This will be null if not filled by setRevisionTimestamp().
1636 * @return string|null
1638 public function getRevisionTimestamp() {
1639 return $this->mRevisionTimestamp
;
1643 * Set the displayed file version
1645 * @param File|bool $file
1646 * @return mixed Previous value
1648 public function setFileVersion( $file ) {
1650 if ( $file instanceof File
&& $file->exists() ) {
1651 $val = [ 'time' => $file->getTimestamp(), 'sha1' => $file->getSha1() ];
1653 return wfSetVar( $this->mFileVersion
, $val, true );
1657 * Get the displayed file version
1659 * @return array|null ('time' => MW timestamp, 'sha1' => sha1)
1661 public function getFileVersion() {
1662 return $this->mFileVersion
;
1666 * Get the templates used on this page
1668 * @return array (namespace => dbKey => revId)
1671 public function getTemplateIds() {
1672 return $this->mTemplateIds
;
1676 * Get the files used on this page
1678 * @return array (dbKey => array('time' => MW timestamp or null, 'sha1' => sha1 or ''))
1681 public function getFileSearchOptions() {
1682 return $this->mImageTimeKeys
;
1686 * Convert wikitext to HTML and add it to the buffer
1687 * Default assumes that the current page title will be used.
1689 * @param string $text
1690 * @param bool $linestart Is this the start of a line?
1691 * @param bool $interface Is this text in the user interface language?
1692 * @throws MWException
1694 public function addWikiText( $text, $linestart = true, $interface = true ) {
1695 $title = $this->getTitle(); // Work around E_STRICT
1697 throw new MWException( 'Title is null' );
1699 $this->addWikiTextTitle( $text, $title, $linestart, /*tidy*/false, $interface );
1703 * Add wikitext with a custom Title object
1705 * @param string $text Wikitext
1706 * @param Title &$title
1707 * @param bool $linestart Is this the start of a line?
1709 public function addWikiTextWithTitle( $text, &$title, $linestart = true ) {
1710 $this->addWikiTextTitle( $text, $title, $linestart );
1714 * Add wikitext with a custom Title object and tidy enabled.
1716 * @param string $text Wikitext
1717 * @param Title &$title
1718 * @param bool $linestart Is this the start of a line?
1720 function addWikiTextTitleTidy( $text, &$title, $linestart = true ) {
1721 $this->addWikiTextTitle( $text, $title, $linestart, true );
1725 * Add wikitext with tidy enabled
1727 * @param string $text Wikitext
1728 * @param bool $linestart Is this the start of a line?
1730 public function addWikiTextTidy( $text, $linestart = true ) {
1731 $title = $this->getTitle();
1732 $this->addWikiTextTitleTidy( $text, $title, $linestart );
1736 * Add wikitext with a custom Title object
1738 * @param string $text Wikitext
1739 * @param Title $title
1740 * @param bool $linestart Is this the start of a line?
1741 * @param bool $tidy Whether to use tidy
1742 * @param bool $interface Whether it is an interface message
1743 * (for example disables conversion)
1745 public function addWikiTextTitle( $text, Title
$title, $linestart,
1746 $tidy = false, $interface = false
1750 $popts = $this->parserOptions();
1751 $oldTidy = $popts->setTidy( $tidy );
1752 $popts->setInterfaceMessage( (bool)$interface );
1754 $parserOutput = $wgParser->getFreshParser()->parse(
1755 $text, $title, $popts,
1756 $linestart, true, $this->mRevisionId
1759 $popts->setTidy( $oldTidy );
1761 $this->addParserOutput( $parserOutput, [
1762 'enableSectionEditLinks' => false,
1767 * Add all metadata associated with a ParserOutput object, but without the actual HTML. This
1768 * includes categories, language links, ResourceLoader modules, effects of certain magic words,
1772 * @param ParserOutput $parserOutput
1774 public function addParserOutputMetadata( $parserOutput ) {
1775 $this->mLanguageLinks
=
1776 array_merge( $this->mLanguageLinks
, $parserOutput->getLanguageLinks() );
1777 $this->addCategoryLinks( $parserOutput->getCategories() );
1778 $this->setIndicators( $parserOutput->getIndicators() );
1779 $this->mNewSectionLink
= $parserOutput->getNewSection();
1780 $this->mHideNewSectionLink
= $parserOutput->getHideNewSection();
1782 if ( !$parserOutput->isCacheable() ) {
1783 $this->enableClientCache( false );
1785 $this->mNoGallery
= $parserOutput->getNoGallery();
1786 $this->mHeadItems
= array_merge( $this->mHeadItems
, $parserOutput->getHeadItems() );
1787 $this->addModules( $parserOutput->getModules() );
1788 $this->addModuleScripts( $parserOutput->getModuleScripts() );
1789 $this->addModuleStyles( $parserOutput->getModuleStyles() );
1790 $this->addJsConfigVars( $parserOutput->getJsConfigVars() );
1791 $this->mPreventClickjacking
= $this->mPreventClickjacking
1792 ||
$parserOutput->preventClickjacking();
1794 // Template versioning...
1795 foreach ( (array)$parserOutput->getTemplateIds() as $ns => $dbks ) {
1796 if ( isset( $this->mTemplateIds
[$ns] ) ) {
1797 $this->mTemplateIds
[$ns] = $dbks +
$this->mTemplateIds
[$ns];
1799 $this->mTemplateIds
[$ns] = $dbks;
1802 // File versioning...
1803 foreach ( (array)$parserOutput->getFileSearchOptions() as $dbk => $data ) {
1804 $this->mImageTimeKeys
[$dbk] = $data;
1807 // Hooks registered in the object
1808 $parserOutputHooks = $this->getConfig()->get( 'ParserOutputHooks' );
1809 foreach ( $parserOutput->getOutputHooks() as $hookInfo ) {
1810 list( $hookName, $data ) = $hookInfo;
1811 if ( isset( $parserOutputHooks[$hookName] ) ) {
1812 call_user_func( $parserOutputHooks[$hookName], $this, $parserOutput, $data );
1816 // Enable OOUI if requested via ParserOutput
1817 if ( $parserOutput->getEnableOOUI() ) {
1818 $this->enableOOUI();
1821 // Include parser limit report
1822 if ( !$this->limitReportJSData
) {
1823 $this->limitReportJSData
= $parserOutput->getLimitReportJSData();
1826 // Link flags are ignored for now, but may in the future be
1827 // used to mark individual language links.
1829 // Avoid PHP 7.1 warning of passing $this by reference
1830 $outputPage = $this;
1831 Hooks
::run( 'LanguageLinks', [ $this->getTitle(), &$this->mLanguageLinks
, &$linkFlags ] );
1832 Hooks
::runWithoutAbort( 'OutputPageParserOutput', [ &$outputPage, $parserOutput ] );
1834 // This check must be after 'OutputPageParserOutput' runs in addParserOutputMetadata
1835 // so that extensions may modify ParserOutput to toggle TOC.
1836 // This cannot be moved to addParserOutputText because that is not
1837 // called by EditPage for Preview.
1838 if ( $parserOutput->getTOCHTML() ) {
1839 $this->mEnableTOC
= true;
1844 * Add the HTML and enhancements for it (like ResourceLoader modules) associated with a
1845 * ParserOutput object, without any other metadata.
1848 * @param ParserOutput $parserOutput
1849 * @param array $poOptions Options to ParserOutput::getText()
1851 public function addParserOutputContent( $parserOutput, $poOptions = [] ) {
1852 $this->addParserOutputText( $parserOutput, $poOptions );
1854 $this->addModules( $parserOutput->getModules() );
1855 $this->addModuleScripts( $parserOutput->getModuleScripts() );
1856 $this->addModuleStyles( $parserOutput->getModuleStyles() );
1858 $this->addJsConfigVars( $parserOutput->getJsConfigVars() );
1862 * Add the HTML associated with a ParserOutput object, without any metadata.
1865 * @param ParserOutput $parserOutput
1866 * @param array $poOptions Options to ParserOutput::getText()
1868 public function addParserOutputText( $parserOutput, $poOptions = [] ) {
1869 $text = $parserOutput->getText( $poOptions );
1870 // Avoid PHP 7.1 warning of passing $this by reference
1871 $outputPage = $this;
1872 Hooks
::runWithoutAbort( 'OutputPageBeforeHTML', [ &$outputPage, &$text ] );
1873 $this->addHTML( $text );
1877 * Add everything from a ParserOutput object.
1879 * @param ParserOutput $parserOutput
1880 * @param array $poOptions Options to ParserOutput::getText()
1882 function addParserOutput( $parserOutput, $poOptions = [] ) {
1883 $this->addParserOutputMetadata( $parserOutput );
1884 $this->addParserOutputText( $parserOutput, $poOptions );
1888 * Add the output of a QuickTemplate to the output buffer
1890 * @param QuickTemplate &$template
1892 public function addTemplate( &$template ) {
1893 $this->addHTML( $template->getHTML() );
1897 * Parse wikitext and return the HTML.
1899 * @param string $text
1900 * @param bool $linestart Is this the start of a line?
1901 * @param bool $interface Use interface language ($wgLang instead of
1902 * $wgContLang) while parsing language sensitive magic words like GRAMMAR and PLURAL.
1903 * This also disables LanguageConverter.
1904 * @param Language|null $language Target language object, will override $interface
1905 * @throws MWException
1906 * @return string HTML
1908 public function parse( $text, $linestart = true, $interface = false, $language = null ) {
1911 if ( is_null( $this->getTitle() ) ) {
1912 throw new MWException( 'Empty $mTitle in ' . __METHOD__
);
1915 $popts = $this->parserOptions();
1917 $popts->setInterfaceMessage( true );
1919 if ( $language !== null ) {
1920 $oldLang = $popts->setTargetLanguage( $language );
1923 $parserOutput = $wgParser->getFreshParser()->parse(
1924 $text, $this->getTitle(), $popts,
1925 $linestart, true, $this->mRevisionId
1929 $popts->setInterfaceMessage( false );
1931 if ( $language !== null ) {
1932 $popts->setTargetLanguage( $oldLang );
1935 return $parserOutput->getText( [
1936 'enableSectionEditLinks' => false,
1941 * Parse wikitext, strip paragraphs, and return the HTML.
1943 * @param string $text
1944 * @param bool $linestart Is this the start of a line?
1945 * @param bool $interface Use interface language ($wgLang instead of
1946 * $wgContLang) while parsing language sensitive magic
1947 * words like GRAMMAR and PLURAL
1948 * @return string HTML
1950 public function parseInline( $text, $linestart = true, $interface = false ) {
1951 $parsed = $this->parse( $text, $linestart, $interface );
1952 return Parser
::stripOuterParagraph( $parsed );
1956 * Set the value of the "s-maxage" part of the "Cache-control" HTTP header
1958 * @param int $maxage Maximum cache time on the CDN, in seconds.
1960 public function setCdnMaxage( $maxage ) {
1961 $this->mCdnMaxage
= min( $maxage, $this->mCdnMaxageLimit
);
1965 * Lower the value of the "s-maxage" part of the "Cache-control" HTTP header
1967 * @param int $maxage Maximum cache time on the CDN, in seconds
1970 public function lowerCdnMaxage( $maxage ) {
1971 $this->mCdnMaxageLimit
= min( $maxage, $this->mCdnMaxageLimit
);
1972 $this->setCdnMaxage( $this->mCdnMaxage
);
1976 * Get TTL in [$minTTL,$maxTTL] in pass it to lowerCdnMaxage()
1978 * This sets and returns $minTTL if $mtime is false or null. Otherwise,
1979 * the TTL is higher the older the $mtime timestamp is. Essentially, the
1980 * TTL is 90% of the age of the object, subject to the min and max.
1982 * @param string|int|float|bool|null $mtime Last-Modified timestamp
1983 * @param int $minTTL Mimimum TTL in seconds [default: 1 minute]
1984 * @param int $maxTTL Maximum TTL in seconds [default: $wgSquidMaxage]
1985 * @return int TTL in seconds
1988 public function adaptCdnTTL( $mtime, $minTTL = 0, $maxTTL = 0 ) {
1989 $minTTL = $minTTL ?
: IExpiringStore
::TTL_MINUTE
;
1990 $maxTTL = $maxTTL ?
: $this->getConfig()->get( 'SquidMaxage' );
1992 if ( $mtime === null ||
$mtime === false ) {
1993 return $minTTL; // entity does not exist
1996 $age = time() - wfTimestamp( TS_UNIX
, $mtime );
1997 $adaptiveTTL = max( 0.9 * $age, $minTTL );
1998 $adaptiveTTL = min( $adaptiveTTL, $maxTTL );
2000 $this->lowerCdnMaxage( (int)$adaptiveTTL );
2002 return $adaptiveTTL;
2006 * Use enableClientCache(false) to force it to send nocache headers
2008 * @param bool $state
2012 public function enableClientCache( $state ) {
2013 return wfSetVar( $this->mEnableClientCache
, $state );
2017 * Get the list of cookies that will influence on the cache
2021 function getCacheVaryCookies() {
2023 if ( $cookies === null ) {
2024 $config = $this->getConfig();
2025 $cookies = array_merge(
2026 SessionManager
::singleton()->getVaryCookies(),
2030 $config->get( 'CacheVaryCookies' )
2032 Hooks
::run( 'GetCacheVaryCookies', [ $this, &$cookies ] );
2038 * Check if the request has a cache-varying cookie header
2039 * If it does, it's very important that we don't allow public caching
2043 function haveCacheVaryCookies() {
2044 $request = $this->getRequest();
2045 foreach ( $this->getCacheVaryCookies() as $cookieName ) {
2046 if ( $request->getCookie( $cookieName, '', '' ) !== '' ) {
2047 wfDebug( __METHOD__
. ": found $cookieName\n" );
2051 wfDebug( __METHOD__
. ": no cache-varying cookies found\n" );
2056 * Add an HTTP header that will influence on the cache
2058 * @param string $header Header name
2059 * @param string[]|null $option Options for the Key header. See
2060 * https://datatracker.ietf.org/doc/draft-fielding-http-key/
2061 * for the list of valid options.
2063 public function addVaryHeader( $header, array $option = null ) {
2064 if ( !array_key_exists( $header, $this->mVaryHeader
) ) {
2065 $this->mVaryHeader
[$header] = [];
2067 if ( !is_array( $option ) ) {
2070 $this->mVaryHeader
[$header] = array_unique( array_merge( $this->mVaryHeader
[$header], $option ) );
2074 * Return a Vary: header on which to vary caches. Based on the keys of $mVaryHeader,
2075 * such as Accept-Encoding or Cookie
2079 public function getVaryHeader() {
2080 // If we vary on cookies, let's make sure it's always included here too.
2081 if ( $this->getCacheVaryCookies() ) {
2082 $this->addVaryHeader( 'Cookie' );
2085 foreach ( SessionManager
::singleton()->getVaryHeaders() as $header => $options ) {
2086 $this->addVaryHeader( $header, $options );
2088 return 'Vary: ' . implode( ', ', array_keys( $this->mVaryHeader
) );
2092 * Add an HTTP Link: header
2094 * @param string $header Header value
2096 public function addLinkHeader( $header ) {
2097 $this->mLinkHeader
[] = $header;
2101 * Return a Link: header. Based on the values of $mLinkHeader.
2105 public function getLinkHeader() {
2106 if ( !$this->mLinkHeader
) {
2110 return 'Link: ' . implode( ',', $this->mLinkHeader
);
2114 * Get a complete Key header
2118 public function getKeyHeader() {
2119 $cvCookies = $this->getCacheVaryCookies();
2121 $cookiesOption = [];
2122 foreach ( $cvCookies as $cookieName ) {
2123 $cookiesOption[] = 'param=' . $cookieName;
2125 $this->addVaryHeader( 'Cookie', $cookiesOption );
2127 foreach ( SessionManager
::singleton()->getVaryHeaders() as $header => $options ) {
2128 $this->addVaryHeader( $header, $options );
2132 foreach ( $this->mVaryHeader
as $header => $option ) {
2133 $newheader = $header;
2134 if ( is_array( $option ) && count( $option ) > 0 ) {
2135 $newheader .= ';' . implode( ';', $option );
2137 $headers[] = $newheader;
2139 $key = 'Key: ' . implode( ',', $headers );
2145 * T23672: Add Accept-Language to Vary and Key headers
2146 * if there's no 'variant' parameter existed in GET.
2149 * /w/index.php?title=Main_page should always be served; but
2150 * /w/index.php?title=Main_page&variant=zh-cn should never be served.
2152 function addAcceptLanguage() {
2153 $title = $this->getTitle();
2154 if ( !$title instanceof Title
) {
2158 $lang = $title->getPageLanguage();
2159 if ( !$this->getRequest()->getCheck( 'variant' ) && $lang->hasVariants() ) {
2160 $variants = $lang->getVariants();
2162 foreach ( $variants as $variant ) {
2163 if ( $variant === $lang->getCode() ) {
2166 $aloption[] = 'substr=' . $variant;
2168 // IE and some other browsers use BCP 47 standards in
2169 // their Accept-Language header, like "zh-CN" or "zh-Hant".
2170 // We should handle these too.
2171 $variantBCP47 = LanguageCode
::bcp47( $variant );
2172 if ( $variantBCP47 !== $variant ) {
2173 $aloption[] = 'substr=' . $variantBCP47;
2177 $this->addVaryHeader( 'Accept-Language', $aloption );
2182 * Set a flag which will cause an X-Frame-Options header appropriate for
2183 * edit pages to be sent. The header value is controlled by
2184 * $wgEditPageFrameOptions.
2186 * This is the default for special pages. If you display a CSRF-protected
2187 * form on an ordinary view page, then you need to call this function.
2189 * @param bool $enable
2191 public function preventClickjacking( $enable = true ) {
2192 $this->mPreventClickjacking
= $enable;
2196 * Turn off frame-breaking. Alias for $this->preventClickjacking(false).
2197 * This can be called from pages which do not contain any CSRF-protected
2200 public function allowClickjacking() {
2201 $this->mPreventClickjacking
= false;
2205 * Get the prevent-clickjacking flag
2210 public function getPreventClickjacking() {
2211 return $this->mPreventClickjacking
;
2215 * Get the X-Frame-Options header value (without the name part), or false
2216 * if there isn't one. This is used by Skin to determine whether to enable
2217 * JavaScript frame-breaking, for clients that don't support X-Frame-Options.
2219 * @return string|false
2221 public function getFrameOptions() {
2222 $config = $this->getConfig();
2223 if ( $config->get( 'BreakFrames' ) ) {
2225 } elseif ( $this->mPreventClickjacking
&& $config->get( 'EditPageFrameOptions' ) ) {
2226 return $config->get( 'EditPageFrameOptions' );
2232 * Send cache control HTTP headers
2234 public function sendCacheControl() {
2235 $response = $this->getRequest()->response();
2236 $config = $this->getConfig();
2238 $this->addVaryHeader( 'Cookie' );
2239 $this->addAcceptLanguage();
2241 # don't serve compressed data to clients who can't handle it
2242 # maintain different caches for logged-in users and non-logged in ones
2243 $response->header( $this->getVaryHeader() );
2245 if ( $config->get( 'UseKeyHeader' ) ) {
2246 $response->header( $this->getKeyHeader() );
2249 if ( $this->mEnableClientCache
) {
2251 $config->get( 'UseSquid' ) &&
2252 !$response->hasCookies() &&
2253 !SessionManager
::getGlobalSession()->isPersistent() &&
2254 !$this->isPrintable() &&
2255 $this->mCdnMaxage
!= 0 &&
2256 !$this->haveCacheVaryCookies()
2258 if ( $config->get( 'UseESI' ) ) {
2259 # We'll purge the proxy cache explicitly, but require end user agents
2260 # to revalidate against the proxy on each visit.
2261 # Surrogate-Control controls our CDN, Cache-Control downstream caches
2262 wfDebug( __METHOD__
.
2263 ": proxy caching with ESI; {$this->mLastModified} **", 'private' );
2264 # start with a shorter timeout for initial testing
2265 # header( 'Surrogate-Control: max-age=2678400+2678400, content="ESI/1.0"');
2267 "Surrogate-Control: max-age={$config->get( 'SquidMaxage' )}" .
2268 "+{$this->mCdnMaxage}, content=\"ESI/1.0\""
2270 $response->header( 'Cache-Control: s-maxage=0, must-revalidate, max-age=0' );
2272 # We'll purge the proxy cache for anons explicitly, but require end user agents
2273 # to revalidate against the proxy on each visit.
2274 # IMPORTANT! The CDN needs to replace the Cache-Control header with
2275 # Cache-Control: s-maxage=0, must-revalidate, max-age=0
2276 wfDebug( __METHOD__
.
2277 ": local proxy caching; {$this->mLastModified} **", 'private' );
2278 # start with a shorter timeout for initial testing
2279 # header( "Cache-Control: s-maxage=2678400, must-revalidate, max-age=0" );
2280 $response->header( "Cache-Control: " .
2281 "s-maxage={$this->mCdnMaxage}, must-revalidate, max-age=0" );
2284 # We do want clients to cache if they can, but they *must* check for updates
2285 # on revisiting the page.
2286 wfDebug( __METHOD__
. ": private caching; {$this->mLastModified} **", 'private' );
2287 $response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
2288 $response->header( "Cache-Control: private, must-revalidate, max-age=0" );
2290 if ( $this->mLastModified
) {
2291 $response->header( "Last-Modified: {$this->mLastModified}" );
2294 wfDebug( __METHOD__
. ": no caching **", 'private' );
2296 # In general, the absence of a last modified header should be enough to prevent
2297 # the client from using its cache. We send a few other things just to make sure.
2298 $response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
2299 $response->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
2300 $response->header( 'Pragma: no-cache' );
2305 * Transfer styles and JavaScript modules from skin.
2307 * @param Skin $sk to load modules for
2309 public function loadSkinModules( $sk ) {
2310 foreach ( $sk->getDefaultModules() as $group => $modules ) {
2311 if ( $group === 'styles' ) {
2312 foreach ( $modules as $key => $moduleMembers ) {
2313 $this->addModuleStyles( $moduleMembers );
2316 $this->addModules( $modules );
2322 * Finally, all the text has been munged and accumulated into
2323 * the object, let's actually output it:
2325 * @param bool $return Set to true to get the result as a string rather than sending it
2326 * @return string|null
2328 * @throws FatalError
2329 * @throws MWException
2331 public function output( $return = false ) {
2334 if ( $this->mDoNothing
) {
2335 return $return ?
'' : null;
2338 $response = $this->getRequest()->response();
2339 $config = $this->getConfig();
2341 if ( $this->mRedirect
!= '' ) {
2342 # Standards require redirect URLs to be absolute
2343 $this->mRedirect
= wfExpandUrl( $this->mRedirect
, PROTO_CURRENT
);
2345 $redirect = $this->mRedirect
;
2346 $code = $this->mRedirectCode
;
2348 if ( Hooks
::run( "BeforePageRedirect", [ $this, &$redirect, &$code ] ) ) {
2349 if ( $code == '301' ||
$code == '303' ) {
2350 if ( !$config->get( 'DebugRedirects' ) ) {
2351 $response->statusHeader( $code );
2353 $this->mLastModified
= wfTimestamp( TS_RFC2822
);
2355 if ( $config->get( 'VaryOnXFP' ) ) {
2356 $this->addVaryHeader( 'X-Forwarded-Proto' );
2358 $this->sendCacheControl();
2360 $response->header( "Content-Type: text/html; charset=utf-8" );
2361 if ( $config->get( 'DebugRedirects' ) ) {
2362 $url = htmlspecialchars( $redirect );
2363 print "<!DOCTYPE html>\n<html>\n<head>\n<title>Redirect</title>\n</head>\n<body>\n";
2364 print "<p>Location: <a href=\"$url\">$url</a></p>\n";
2365 print "</body>\n</html>\n";
2367 $response->header( 'Location: ' . $redirect );
2371 return $return ?
'' : null;
2372 } elseif ( $this->mStatusCode
) {
2373 $response->statusHeader( $this->mStatusCode
);
2376 # Buffer output; final headers may depend on later processing
2379 $response->header( 'Content-type: ' . $config->get( 'MimeType' ) . '; charset=UTF-8' );
2380 $response->header( 'Content-language: ' . $wgContLang->getHtmlCode() );
2382 if ( !$this->mArticleBodyOnly
) {
2383 $sk = $this->getSkin();
2385 if ( $sk->shouldPreloadLogo() ) {
2386 $this->addLogoPreloadLinkHeaders();
2390 $linkHeader = $this->getLinkHeader();
2391 if ( $linkHeader ) {
2392 $response->header( $linkHeader );
2395 // Prevent framing, if requested
2396 $frameOptions = $this->getFrameOptions();
2397 if ( $frameOptions ) {
2398 $response->header( "X-Frame-Options: $frameOptions" );
2401 ContentSecurityPolicy
::sendHeaders( $this );
2403 if ( $this->mArticleBodyOnly
) {
2404 echo $this->mBodytext
;
2406 // Enable safe mode if requested (T152169)
2407 if ( $this->getRequest()->getBool( 'safemode' ) ) {
2408 $this->disallowUserJs();
2411 $sk = $this->getSkin();
2412 $this->loadSkinModules( $sk );
2414 MWDebug
::addModules( $this );
2416 // Avoid PHP 7.1 warning of passing $this by reference
2417 $outputPage = $this;
2418 // Hook that allows last minute changes to the output page, e.g.
2419 // adding of CSS or Javascript by extensions.
2420 Hooks
::runWithoutAbort( 'BeforePageDisplay', [ &$outputPage, &$sk ] );
2424 } catch ( Exception
$e ) {
2425 ob_end_clean(); // bug T129657
2431 // This hook allows last minute changes to final overall output by modifying output buffer
2432 Hooks
::runWithoutAbort( 'AfterFinalPageOutput', [ $this ] );
2433 } catch ( Exception
$e ) {
2434 ob_end_clean(); // bug T129657
2438 $this->sendCacheControl();
2441 return ob_get_clean();
2449 * Prepare this object to display an error page; disable caching and
2450 * indexing, clear the current text and redirect, set the page's title
2451 * and optionally an custom HTML title (content of the "<title>" tag).
2453 * @param string|Message $pageTitle Will be passed directly to setPageTitle()
2454 * @param string|Message $htmlTitle Will be passed directly to setHTMLTitle();
2455 * optional, if not passed the "<title>" attribute will be
2456 * based on $pageTitle
2458 public function prepareErrorPage( $pageTitle, $htmlTitle = false ) {
2459 $this->setPageTitle( $pageTitle );
2460 if ( $htmlTitle !== false ) {
2461 $this->setHTMLTitle( $htmlTitle );
2463 $this->setRobotPolicy( 'noindex,nofollow' );
2464 $this->setArticleRelated( false );
2465 $this->enableClientCache( false );
2466 $this->mRedirect
= '';
2467 $this->clearSubtitle();
2472 * Output a standard error page
2474 * showErrorPage( 'titlemsg', 'pagetextmsg' );
2475 * showErrorPage( 'titlemsg', 'pagetextmsg', [ 'param1', 'param2' ] );
2476 * showErrorPage( 'titlemsg', $messageObject );
2477 * showErrorPage( $titleMessageObject, $messageObject );
2479 * @param string|Message $title Message key (string) for page title, or a Message object
2480 * @param string|Message $msg Message key (string) for page text, or a Message object
2481 * @param array $params Message parameters; ignored if $msg is a Message object
2483 public function showErrorPage( $title, $msg, $params = [] ) {
2484 if ( !$title instanceof Message
) {
2485 $title = $this->msg( $title );
2488 $this->prepareErrorPage( $title );
2490 if ( $msg instanceof Message
) {
2491 if ( $params !== [] ) {
2492 trigger_error( 'Argument ignored: $params. The message parameters argument '
2493 . 'is discarded when the $msg argument is a Message object instead of '
2494 . 'a string.', E_USER_NOTICE
);
2496 $this->addHTML( $msg->parseAsBlock() );
2498 $this->addWikiMsgArray( $msg, $params );
2501 $this->returnToMain();
2505 * Output a standard permission error page
2507 * @param array $errors Error message keys or [key, param...] arrays
2508 * @param string|null $action Action that was denied or null if unknown
2510 public function showPermissionsErrorPage( array $errors, $action = null ) {
2511 foreach ( $errors as $key => $error ) {
2512 $errors[$key] = (array)$error;
2515 // For some action (read, edit, create and upload), display a "login to do this action"
2516 // error if all of the following conditions are met:
2517 // 1. the user is not logged in
2518 // 2. the only error is insufficient permissions (i.e. no block or something else)
2519 // 3. the error can be avoided simply by logging in
2520 if ( in_array( $action, [ 'read', 'edit', 'createpage', 'createtalk', 'upload' ] )
2521 && $this->getUser()->isAnon() && count( $errors ) == 1 && isset( $errors[0][0] )
2522 && ( $errors[0][0] == 'badaccess-groups' ||
$errors[0][0] == 'badaccess-group0' )
2523 && ( User
::groupHasPermission( 'user', $action )
2524 || User
::groupHasPermission( 'autoconfirmed', $action ) )
2526 $displayReturnto = null;
2528 # Due to T34276, if a user does not have read permissions,
2529 # $this->getTitle() will just give Special:Badtitle, which is
2530 # not especially useful as a returnto parameter. Use the title
2531 # from the request instead, if there was one.
2532 $request = $this->getRequest();
2533 $returnto = Title
::newFromText( $request->getVal( 'title', '' ) );
2534 if ( $action == 'edit' ) {
2535 $msg = 'whitelistedittext';
2536 $displayReturnto = $returnto;
2537 } elseif ( $action == 'createpage' ||
$action == 'createtalk' ) {
2538 $msg = 'nocreatetext';
2539 } elseif ( $action == 'upload' ) {
2540 $msg = 'uploadnologintext';
2542 $msg = 'loginreqpagetext';
2543 $displayReturnto = Title
::newMainPage();
2549 $query['returnto'] = $returnto->getPrefixedText();
2551 if ( !$request->wasPosted() ) {
2552 $returntoquery = $request->getValues();
2553 unset( $returntoquery['title'] );
2554 unset( $returntoquery['returnto'] );
2555 unset( $returntoquery['returntoquery'] );
2556 $query['returntoquery'] = wfArrayToCgi( $returntoquery );
2559 $linkRenderer = MediaWikiServices
::getInstance()->getLinkRenderer();
2560 $loginLink = $linkRenderer->makeKnownLink(
2561 SpecialPage
::getTitleFor( 'Userlogin' ),
2562 $this->msg( 'loginreqlink' )->text(),
2567 $this->prepareErrorPage( $this->msg( 'loginreqtitle' ) );
2568 $this->addHTML( $this->msg( $msg )->rawParams( $loginLink )->parse() );
2570 # Don't return to a page the user can't read otherwise
2571 # we'll end up in a pointless loop
2572 if ( $displayReturnto && $displayReturnto->userCan( 'read', $this->getUser() ) ) {
2573 $this->returnToMain( null, $displayReturnto );
2576 $this->prepareErrorPage( $this->msg( 'permissionserrors' ) );
2577 $this->addWikiText( $this->formatPermissionsErrorMessage( $errors, $action ) );
2582 * Display an error page indicating that a given version of MediaWiki is
2583 * required to use it
2585 * @param mixed $version The version of MediaWiki needed to use the page
2587 public function versionRequired( $version ) {
2588 $this->prepareErrorPage( $this->msg( 'versionrequired', $version ) );
2590 $this->addWikiMsg( 'versionrequiredtext', $version );
2591 $this->returnToMain();
2595 * Format a list of error messages
2597 * @param array $errors Array of arrays returned by Title::getUserPermissionsErrors
2598 * @param string|null $action Action that was denied or null if unknown
2599 * @return string The wikitext error-messages, formatted into a list.
2601 public function formatPermissionsErrorMessage( array $errors, $action = null ) {
2602 if ( $action == null ) {
2603 $text = $this->msg( 'permissionserrorstext', count( $errors ) )->plain() . "\n\n";
2605 $action_desc = $this->msg( "action-$action" )->plain();
2607 'permissionserrorstext-withaction',
2610 )->plain() . "\n\n";
2613 if ( count( $errors ) > 1 ) {
2614 $text .= '<ul class="permissions-errors">' . "\n";
2616 foreach ( $errors as $error ) {
2618 $text .= $this->msg( ...$error )->plain();
2623 $text .= "<div class=\"permissions-errors\">\n" .
2624 $this->msg( ...reset( $errors ) )->plain() .
2632 * Show a warning about replica DB lag
2634 * If the lag is higher than $wgSlaveLagCritical seconds,
2635 * then the warning is a bit more obvious. If the lag is
2636 * lower than $wgSlaveLagWarning, then no warning is shown.
2638 * @param int $lag Slave lag
2640 public function showLagWarning( $lag ) {
2641 $config = $this->getConfig();
2642 if ( $lag >= $config->get( 'SlaveLagWarning' ) ) {
2643 $lag = floor( $lag ); // floor to avoid nano seconds to display
2644 $message = $lag < $config->get( 'SlaveLagCritical' )
2647 $wrap = Html
::rawElement( 'div', [ 'class' => "mw-{$message}" ], "\n$1\n" );
2648 $this->wrapWikiMsg( "$wrap\n", [ $message, $this->getLanguage()->formatNum( $lag ) ] );
2653 * Output an error page
2655 * @note FatalError exception class provides an alternative.
2656 * @param string $message Error to output. Must be escaped for HTML.
2658 public function showFatalError( $message ) {
2659 $this->prepareErrorPage( $this->msg( 'internalerror' ) );
2661 $this->addHTML( $message );
2665 * @deprecated 1.32 Use OutputPage::showFatalError or throw FatalError instead.
2667 public function showUnexpectedValueError( $name, $val ) {
2668 wfDeprecated( __METHOD__
, '1.32' );
2669 $this->showFatalError( $this->msg( 'unexpected', $name, $val )->escaped() );
2673 * @deprecated 1.32 Use OutputPage::showFatalError or throw FatalError instead.
2675 public function showFileCopyError( $old, $new ) {
2676 wfDeprecated( __METHOD__
, '1.32' );
2677 $this->showFatalError( $this->msg( 'filecopyerror', $old, $new )->escaped() );
2681 * @deprecated 1.32 Use OutputPage::showFatalError or throw FatalError instead.
2683 public function showFileRenameError( $old, $new ) {
2684 wfDeprecated( __METHOD__
, '1.32' );
2685 $this->showFatalError( $this->msg( 'filerenameerror', $old, $new )->escpaed() );
2689 * @deprecated 1.32 Use OutputPage::showFatalError or throw FatalError instead.
2691 public function showFileDeleteError( $name ) {
2692 wfDeprecated( __METHOD__
, '1.32' );
2693 $this->showFatalError( $this->msg( 'filedeleteerror', $name )->escaped() );
2697 * @deprecated 1.32 Use OutputPage::showFatalError or throw FatalError instead.
2699 public function showFileNotFoundError( $name ) {
2700 wfDeprecated( __METHOD__
, '1.32' );
2701 $this->showFatalError( $this->msg( 'filenotfound', $name )->escaped() );
2705 * Add a "return to" link pointing to a specified title
2707 * @param Title $title Title to link
2708 * @param array $query Query string parameters
2709 * @param string|null $text Text of the link (input is not escaped)
2710 * @param array $options Options array to pass to Linker
2712 public function addReturnTo( $title, array $query = [], $text = null, $options = [] ) {
2713 $linkRenderer = MediaWikiServices
::getInstance()
2714 ->getLinkRendererFactory()->createFromLegacyOptions( $options );
2715 $link = $this->msg( 'returnto' )->rawParams(
2716 $linkRenderer->makeLink( $title, $text, [], $query ) )->escaped();
2717 $this->addHTML( "<p id=\"mw-returnto\">{$link}</p>\n" );
2721 * Add a "return to" link pointing to a specified title,
2722 * or the title indicated in the request, or else the main page
2724 * @param mixed|null $unused
2725 * @param Title|string|null $returnto Title or String to return to
2726 * @param string|null $returntoquery Query string for the return to link
2728 public function returnToMain( $unused = null, $returnto = null, $returntoquery = null ) {
2729 if ( $returnto == null ) {
2730 $returnto = $this->getRequest()->getText( 'returnto' );
2733 if ( $returntoquery == null ) {
2734 $returntoquery = $this->getRequest()->getText( 'returntoquery' );
2737 if ( $returnto === '' ) {
2738 $returnto = Title
::newMainPage();
2741 if ( is_object( $returnto ) ) {
2742 $titleObj = $returnto;
2744 $titleObj = Title
::newFromText( $returnto );
2746 // We don't want people to return to external interwiki. That
2747 // might potentially be used as part of a phishing scheme
2748 if ( !is_object( $titleObj ) ||
$titleObj->isExternal() ) {
2749 $titleObj = Title
::newMainPage();
2752 $this->addReturnTo( $titleObj, wfCgiToArray( $returntoquery ) );
2755 private function getRlClientContext() {
2756 if ( !$this->rlClientContext
) {
2757 $query = ResourceLoader
::makeLoaderQuery(
2758 [], // modules; not relevant
2759 $this->getLanguage()->getCode(),
2760 $this->getSkin()->getSkinName(),
2761 $this->getUser()->isLoggedIn() ?
$this->getUser()->getName() : null,
2762 null, // version; not relevant
2763 ResourceLoader
::inDebugMode(),
2764 null, // only; not relevant
2765 $this->isPrintable(),
2766 $this->getRequest()->getBool( 'handheld' )
2768 $this->rlClientContext
= new ResourceLoaderContext(
2769 $this->getResourceLoader(),
2770 new FauxRequest( $query )
2772 if ( $this->contentOverrideCallbacks
) {
2773 $this->rlClientContext
= new DerivativeResourceLoaderContext( $this->rlClientContext
);
2774 $this->rlClientContext
->setContentOverrideCallback( function ( Title
$title ) {
2775 foreach ( $this->contentOverrideCallbacks
as $callback ) {
2776 $content = call_user_func( $callback, $title );
2777 if ( $content !== null ) {
2785 return $this->rlClientContext
;
2789 * Call this to freeze the module queue and JS config and create a formatter.
2791 * Depending on the Skin, this may get lazy-initialised in either headElement() or
2792 * getBottomScripts(). See SkinTemplate::prepareQuickTemplate(). Calling this too early may
2793 * cause unexpected side-effects since disallowUserJs() may be called at any time to change
2794 * the module filters retroactively. Skins and extension hooks may also add modules until very
2795 * late in the request lifecycle.
2797 * @return ResourceLoaderClientHtml
2799 public function getRlClient() {
2800 if ( !$this->rlClient
) {
2801 $context = $this->getRlClientContext();
2802 $rl = $this->getResourceLoader();
2803 $this->addModules( [
2808 $this->addModuleStyles( [
2813 $this->getSkin()->setupSkinUserCss( $this );
2815 // Prepare exempt modules for buildExemptModules()
2816 $exemptGroups = [ 'site' => [], 'noscript' => [], 'private' => [], 'user' => [] ];
2818 $moduleStyles = $this->getModuleStyles( /*filter*/ true );
2820 // Preload getTitleInfo for isKnownEmpty calls below and in ResourceLoaderClientHtml
2821 // Separate user-specific batch for improved cache-hit ratio.
2822 $userBatch = [ 'user.styles', 'user' ];
2823 $siteBatch = array_diff( $moduleStyles, $userBatch );
2824 $dbr = wfGetDB( DB_REPLICA
);
2825 ResourceLoaderWikiModule
::preloadTitleInfo( $context, $dbr, $siteBatch );
2826 ResourceLoaderWikiModule
::preloadTitleInfo( $context, $dbr, $userBatch );
2828 // Filter out modules handled by buildExemptModules()
2829 $moduleStyles = array_filter( $moduleStyles,
2830 function ( $name ) use ( $rl, $context, &$exemptGroups, &$exemptStates ) {
2831 $module = $rl->getModule( $name );
2833 $group = $module->getGroup();
2834 if ( isset( $exemptGroups[$group] ) ) {
2835 $exemptStates[$name] = 'ready';
2836 if ( !$module->isKnownEmpty( $context ) ) {
2837 // E.g. Don't output empty <styles>
2838 $exemptGroups[$group][] = $name;
2846 $this->rlExemptStyleModules
= $exemptGroups;
2848 $rlClient = new ResourceLoaderClientHtml( $context, [
2849 'target' => $this->getTarget(),
2850 'nonce' => $this->getCSPNonce(),
2851 // When 'safemode', disallowUserJs(), or reduceAllowedModules() is used
2852 // to only restrict modules to ORIGIN_CORE (ie. disallow ORIGIN_USER), the list of
2853 // modules enqueud for loading on this page is filtered to just those.
2854 // However, to make sure we also apply the restriction to dynamic dependencies and
2855 // lazy-loaded modules at run-time on the client-side, pass 'safemode' down to the
2856 // StartupModule so that the client-side registry will not contain any restricted
2857 // modules either. (T152169, T185303)
2858 'safemode' => ( $this->getAllowedModules( ResourceLoaderModule
::TYPE_COMBINED
)
2859 <= ResourceLoaderModule
::ORIGIN_CORE_INDIVIDUAL
2862 $rlClient->setConfig( $this->getJSVars() );
2863 $rlClient->setModules( $this->getModules( /*filter*/ true ) );
2864 $rlClient->setModuleStyles( $moduleStyles );
2865 $rlClient->setModuleScripts( $this->getModuleScripts( /*filter*/ true ) );
2866 $rlClient->setExemptStates( $exemptStates );
2867 $this->rlClient
= $rlClient;
2869 return $this->rlClient
;
2873 * @param Skin $sk The given Skin
2874 * @param bool $includeStyle Unused
2875 * @return string The doctype, opening "<html>", and head element.
2877 public function headElement( Skin
$sk, $includeStyle = true ) {
2880 $userdir = $this->getLanguage()->getDir();
2881 $sitedir = $wgContLang->getDir();
2884 $pieces[] = Html
::htmlHeader( Sanitizer
::mergeAttributes(
2885 $this->getRlClient()->getDocumentAttributes(),
2886 $sk->getHtmlElementAttributes()
2888 $pieces[] = Html
::openElement( 'head' );
2890 if ( $this->getHTMLTitle() == '' ) {
2891 $this->setHTMLTitle( $this->msg( 'pagetitle', $this->getPageTitle() )->inContentLanguage() );
2894 if ( !Html
::isXmlMimeType( $this->getConfig()->get( 'MimeType' ) ) ) {
2895 // Add <meta charset="UTF-8">
2896 // This should be before <title> since it defines the charset used by
2897 // text including the text inside <title>.
2898 // The spec recommends defining XHTML5's charset using the XML declaration
2900 // Our XML declaration is output by Html::htmlHeader.
2901 // https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-content-type
2902 // https://html.spec.whatwg.org/multipage/semantics.html#charset
2903 $pieces[] = Html
::element( 'meta', [ 'charset' => 'UTF-8' ] );
2906 $pieces[] = Html
::element( 'title', null, $this->getHTMLTitle() );
2907 $pieces[] = $this->getRlClient()->getHeadHtml();
2908 $pieces[] = $this->buildExemptModules();
2909 $pieces = array_merge( $pieces, array_values( $this->getHeadLinksArray() ) );
2910 $pieces = array_merge( $pieces, array_values( $this->mHeadItems
) );
2912 // Use an IE conditional comment to serve the script only to old IE
2913 $pieces[] = '<!--[if lt IE 9]>' .
2914 ResourceLoaderClientHtml
::makeLoad(
2915 ResourceLoaderContext
::newDummyContext(),
2917 ResourceLoaderModule
::TYPE_SCRIPTS
,
2919 $this->getCSPNonce()
2923 $pieces[] = Html
::closeElement( 'head' );
2925 $bodyClasses = $this->mAdditionalBodyClasses
;
2926 $bodyClasses[] = 'mediawiki';
2928 # Classes for LTR/RTL directionality support
2929 $bodyClasses[] = $userdir;
2930 $bodyClasses[] = "sitedir-$sitedir";
2932 $underline = $this->getUser()->getOption( 'underline' );
2933 if ( $underline < 2 ) {
2934 // The following classes can be used here:
2935 // * mw-underline-always
2936 // * mw-underline-never
2937 $bodyClasses[] = 'mw-underline-' . ( $underline ?
'always' : 'never' );
2940 if ( $this->getLanguage()->capitalizeAllNouns() ) {
2941 # A <body> class is probably not the best way to do this . . .
2942 $bodyClasses[] = 'capitalize-all-nouns';
2945 // Parser feature migration class
2946 // The idea is that this will eventually be removed, after the wikitext
2947 // which requires it is cleaned up.
2948 $bodyClasses[] = 'mw-hide-empty-elt';
2950 $bodyClasses[] = $sk->getPageClasses( $this->getTitle() );
2951 $bodyClasses[] = 'skin-' . Sanitizer
::escapeClass( $sk->getSkinName() );
2953 'action-' . Sanitizer
::escapeClass( Action
::getActionName( $this->getContext() ) );
2956 // While the implode() is not strictly needed, it's used for backwards compatibility
2957 // (this used to be built as a string and hooks likely still expect that).
2958 $bodyAttrs['class'] = implode( ' ', $bodyClasses );
2960 // Allow skins and extensions to add body attributes they need
2961 $sk->addToBodyAttributes( $this, $bodyAttrs );
2962 Hooks
::run( 'OutputPageBodyAttributes', [ $this, $sk, &$bodyAttrs ] );
2964 $pieces[] = Html
::openElement( 'body', $bodyAttrs );
2966 return self
::combineWrappedStrings( $pieces );
2970 * Get a ResourceLoader object associated with this OutputPage
2972 * @return ResourceLoader
2974 public function getResourceLoader() {
2975 if ( is_null( $this->mResourceLoader
) ) {
2976 $this->mResourceLoader
= new ResourceLoader(
2978 LoggerFactory
::getInstance( 'resourceloader' )
2981 return $this->mResourceLoader
;
2985 * Explicily load or embed modules on a page.
2987 * @param array|string $modules One or more module names
2988 * @param string $only ResourceLoaderModule TYPE_ class constant
2989 * @param array $extraQuery [optional] Array with extra query parameters for the request
2990 * @return string|WrappedStringList HTML
2992 public function makeResourceLoaderLink( $modules, $only, array $extraQuery = [] ) {
2993 // Apply 'target' and 'origin' filters
2994 $modules = $this->filterModules( (array)$modules, null, $only );
2996 return ResourceLoaderClientHtml
::makeLoad(
2997 $this->getRlClientContext(),
3001 $this->getCSPNonce()
3006 * Combine WrappedString chunks and filter out empty ones
3008 * @param array $chunks
3009 * @return string|WrappedStringList HTML
3011 protected static function combineWrappedStrings( array $chunks ) {
3012 // Filter out empty values
3013 $chunks = array_filter( $chunks, 'strlen' );
3014 return WrappedString
::join( "\n", $chunks );
3018 * JS stuff to put at the bottom of the `<body>`.
3019 * These are legacy scripts ($this->mScripts), and user JS.
3021 * @return string|WrappedStringList HTML
3023 public function getBottomScripts() {
3025 $chunks[] = $this->getRlClient()->getBodyHtml();
3027 // Legacy non-ResourceLoader scripts
3028 $chunks[] = $this->mScripts
;
3030 if ( $this->limitReportJSData
) {
3031 $chunks[] = ResourceLoader
::makeInlineScript(
3032 ResourceLoader
::makeConfigSetScript(
3033 [ 'wgPageParseReport' => $this->limitReportJSData
]
3035 $this->getCSPNonce()
3039 return self
::combineWrappedStrings( $chunks );
3043 * Get the javascript config vars to include on this page
3045 * @return array Array of javascript config vars
3048 public function getJsConfigVars() {
3049 return $this->mJsConfigVars
;
3053 * Add one or more variables to be set in mw.config in JavaScript
3055 * @param string|array $keys Key or array of key/value pairs
3056 * @param mixed|null $value [optional] Value of the configuration variable
3058 public function addJsConfigVars( $keys, $value = null ) {
3059 if ( is_array( $keys ) ) {
3060 foreach ( $keys as $key => $value ) {
3061 $this->mJsConfigVars
[$key] = $value;
3066 $this->mJsConfigVars
[$keys] = $value;
3070 * Get an array containing the variables to be set in mw.config in JavaScript.
3072 * Do not add things here which can be evaluated in ResourceLoaderStartUpModule
3073 * - in other words, page-independent/site-wide variables (without state).
3074 * You will only be adding bloat to the html page and causing page caches to
3075 * have to be purged on configuration changes.
3078 public function getJSVars() {
3083 $canonicalSpecialPageName = false; # T23115
3085 $title = $this->getTitle();
3086 $ns = $title->getNamespace();
3087 $canonicalNamespace = MWNamespace
::exists( $ns )
3088 ? MWNamespace
::getCanonicalName( $ns )
3089 : $title->getNsText();
3091 $sk = $this->getSkin();
3092 // Get the relevant title so that AJAX features can use the correct page name
3093 // when making API requests from certain special pages (T36972).
3094 $relevantTitle = $sk->getRelevantTitle();
3095 $relevantUser = $sk->getRelevantUser();
3097 if ( $ns == NS_SPECIAL
) {
3098 list( $canonicalSpecialPageName, /*...*/ ) =
3099 SpecialPageFactory
::resolveAlias( $title->getDBkey() );
3100 } elseif ( $this->canUseWikiPage() ) {
3101 $wikiPage = $this->getWikiPage();
3102 $curRevisionId = $wikiPage->getLatest();
3103 $articleId = $wikiPage->getId();
3106 $lang = $title->getPageViewLanguage();
3108 // Pre-process information
3109 $separatorTransTable = $lang->separatorTransformTable();
3110 $separatorTransTable = $separatorTransTable ?
: [];
3111 $compactSeparatorTransTable = [
3112 implode( "\t", array_keys( $separatorTransTable ) ),
3113 implode( "\t", $separatorTransTable ),
3115 $digitTransTable = $lang->digitTransformTable();
3116 $digitTransTable = $digitTransTable ?
: [];
3117 $compactDigitTransTable = [
3118 implode( "\t", array_keys( $digitTransTable ) ),
3119 implode( "\t", $digitTransTable ),
3122 $user = $this->getUser();
3125 'wgCanonicalNamespace' => $canonicalNamespace,
3126 'wgCanonicalSpecialPageName' => $canonicalSpecialPageName,
3127 'wgNamespaceNumber' => $title->getNamespace(),
3128 'wgPageName' => $title->getPrefixedDBkey(),
3129 'wgTitle' => $title->getText(),
3130 'wgCurRevisionId' => $curRevisionId,
3131 'wgRevisionId' => (int)$this->getRevisionId(),
3132 'wgArticleId' => $articleId,
3133 'wgIsArticle' => $this->isArticle(),
3134 'wgIsRedirect' => $title->isRedirect(),
3135 'wgAction' => Action
::getActionName( $this->getContext() ),
3136 'wgUserName' => $user->isAnon() ?
null : $user->getName(),
3137 'wgUserGroups' => $user->getEffectiveGroups(),
3138 'wgCategories' => $this->getCategories(),
3139 'wgBreakFrames' => $this->getFrameOptions() == 'DENY',
3140 'wgPageContentLanguage' => $lang->getCode(),
3141 'wgPageContentModel' => $title->getContentModel(),
3142 'wgSeparatorTransformTable' => $compactSeparatorTransTable,
3143 'wgDigitTransformTable' => $compactDigitTransTable,
3144 'wgDefaultDateFormat' => $lang->getDefaultDateFormat(),
3145 'wgMonthNames' => $lang->getMonthNamesArray(),
3146 'wgMonthNamesShort' => $lang->getMonthAbbreviationsArray(),
3147 'wgRelevantPageName' => $relevantTitle->getPrefixedDBkey(),
3148 'wgRelevantArticleId' => $relevantTitle->getArticleID(),
3149 'wgRequestId' => WebRequest
::getRequestId(),
3152 if ( $user->isLoggedIn() ) {
3153 $vars['wgUserId'] = $user->getId();
3154 $vars['wgUserEditCount'] = $user->getEditCount();
3155 $userReg = $user->getRegistration();
3156 $vars['wgUserRegistration'] = $userReg ?
wfTimestamp( TS_UNIX
, $userReg ) * 1000 : null;
3157 // Get the revision ID of the oldest new message on the user's talk
3158 // page. This can be used for constructing new message alerts on
3160 $vars['wgUserNewMsgRevisionId'] = $user->getNewMessageRevisionId();
3163 if ( $wgContLang->hasVariants() ) {
3164 $vars['wgUserVariant'] = $wgContLang->getPreferredVariant();
3166 // Same test as SkinTemplate
3167 $vars['wgIsProbablyEditable'] = $title->quickUserCan( 'edit', $user )
3168 && ( $title->exists() ||
$title->quickUserCan( 'create', $user ) );
3170 $vars['wgRelevantPageIsProbablyEditable'] = $relevantTitle
3171 && $relevantTitle->quickUserCan( 'edit', $user )
3172 && ( $relevantTitle->exists() ||
$relevantTitle->quickUserCan( 'create', $user ) );
3174 foreach ( $title->getRestrictionTypes() as $type ) {
3175 // Following keys are set in $vars:
3176 // wgRestrictionCreate, wgRestrictionEdit, wgRestrictionMove, wgRestrictionUpload
3177 $vars['wgRestriction' . ucfirst( $type )] = $title->getRestrictions( $type );
3180 if ( $title->isMainPage() ) {
3181 $vars['wgIsMainPage'] = true;
3184 if ( $this->mRedirectedFrom
) {
3185 $vars['wgRedirectedFrom'] = $this->mRedirectedFrom
->getPrefixedDBkey();
3188 if ( $relevantUser ) {
3189 $vars['wgRelevantUserName'] = $relevantUser->getName();
3192 // Allow extensions to add their custom variables to the mw.config map.
3193 // Use the 'ResourceLoaderGetConfigVars' hook if the variable is not
3194 // page-dependant but site-wide (without state).
3195 // Alternatively, you may want to use OutputPage->addJsConfigVars() instead.
3196 Hooks
::run( 'MakeGlobalVariablesScript', [ &$vars, $this ] );
3198 // Merge in variables from addJsConfigVars last
3199 return array_merge( $vars, $this->getJsConfigVars() );
3203 * To make it harder for someone to slip a user a fake
3204 * JavaScript or CSS preview, a random token
3205 * is associated with the login session. If it's not
3206 * passed back with the preview request, we won't render
3211 public function userCanPreview() {
3212 $request = $this->getRequest();
3214 $request->getVal( 'action' ) !== 'submit' ||
3215 !$request->wasPosted()
3220 $user = $this->getUser();
3222 if ( !$user->isLoggedIn() ) {
3223 // Anons have predictable edit tokens
3226 if ( !$user->matchEditToken( $request->getVal( 'wpEditToken' ) ) ) {
3230 $title = $this->getTitle();
3231 $errors = $title->getUserPermissionsErrors( 'edit', $user );
3232 if ( count( $errors ) !== 0 ) {
3240 * @return array Array in format "link name or number => 'link html'".
3242 public function getHeadLinksArray() {
3246 $config = $this->getConfig();
3248 $canonicalUrl = $this->mCanonicalUrl
;
3250 $tags['meta-generator'] = Html
::element( 'meta', [
3251 'name' => 'generator',
3252 'content' => "MediaWiki $wgVersion",
3255 if ( $config->get( 'ReferrerPolicy' ) !== false ) {
3256 // Per https://w3c.github.io/webappsec-referrer-policy/#unknown-policy-values
3257 // fallbacks should come before the primary value so we need to reverse the array.
3258 foreach ( array_reverse( (array)$config->get( 'ReferrerPolicy' ) ) as $i => $policy ) {
3259 $tags["meta-referrer-$i"] = Html
::element( 'meta', [
3260 'name' => 'referrer',
3261 'content' => $policy,
3266 $p = "{$this->mIndexPolicy},{$this->mFollowPolicy}";
3267 if ( $p !== 'index,follow' ) {
3268 // http://www.robotstxt.org/wc/meta-user.html
3269 // Only show if it's different from the default robots policy
3270 $tags['meta-robots'] = Html
::element( 'meta', [
3276 foreach ( $this->mMetatags
as $tag ) {
3277 if ( strncasecmp( $tag[0], 'http:', 5 ) === 0 ) {
3279 $tag[0] = substr( $tag[0], 5 );
3280 } elseif ( strncasecmp( $tag[0], 'og:', 3 ) === 0 ) {
3285 $tagName = "meta-{$tag[0]}";
3286 if ( isset( $tags[$tagName] ) ) {
3287 $tagName .= $tag[1];
3289 $tags[$tagName] = Html
::element( 'meta',
3292 'content' => $tag[1]
3297 foreach ( $this->mLinktags
as $tag ) {
3298 $tags[] = Html
::element( 'link', $tag );
3301 # Universal edit button
3302 if ( $config->get( 'UniversalEditButton' ) && $this->isArticleRelated() ) {
3303 $user = $this->getUser();
3304 if ( $this->getTitle()->quickUserCan( 'edit', $user )
3305 && ( $this->getTitle()->exists() ||
3306 $this->getTitle()->quickUserCan( 'create', $user ) )
3308 // Original UniversalEditButton
3309 $msg = $this->msg( 'edit' )->text();
3310 $tags['universal-edit-button'] = Html
::element( 'link', [
3311 'rel' => 'alternate',
3312 'type' => 'application/x-wiki',
3314 'href' => $this->getTitle()->getEditURL(),
3316 // Alternate edit link
3317 $tags['alternative-edit'] = Html
::element( 'link', [
3320 'href' => $this->getTitle()->getEditURL(),
3325 # Generally the order of the favicon and apple-touch-icon links
3326 # should not matter, but Konqueror (3.5.9 at least) incorrectly
3327 # uses whichever one appears later in the HTML source. Make sure
3328 # apple-touch-icon is specified first to avoid this.
3329 if ( $config->get( 'AppleTouchIcon' ) !== false ) {
3330 $tags['apple-touch-icon'] = Html
::element( 'link', [
3331 'rel' => 'apple-touch-icon',
3332 'href' => $config->get( 'AppleTouchIcon' )
3336 if ( $config->get( 'Favicon' ) !== false ) {
3337 $tags['favicon'] = Html
::element( 'link', [
3338 'rel' => 'shortcut icon',
3339 'href' => $config->get( 'Favicon' )
3343 # OpenSearch description link
3344 $tags['opensearch'] = Html
::element( 'link', [
3346 'type' => 'application/opensearchdescription+xml',
3347 'href' => wfScript( 'opensearch_desc' ),
3348 'title' => $this->msg( 'opensearch-desc' )->inContentLanguage()->text(),
3351 # Real Simple Discovery link, provides auto-discovery information
3352 # for the MediaWiki API (and potentially additional custom API
3353 # support such as WordPress or Twitter-compatible APIs for a
3354 # blogging extension, etc)
3355 $tags['rsd'] = Html
::element( 'link', [
3357 'type' => 'application/rsd+xml',
3358 // Output a protocol-relative URL here if $wgServer is protocol-relative.
3359 // Whether RSD accepts relative or protocol-relative URLs is completely
3360 // undocumented, though.
3361 'href' => wfExpandUrl( wfAppendQuery(
3363 [ 'action' => 'rsd' ] ),
3369 if ( !$config->get( 'DisableLangConversion' ) ) {
3370 $lang = $this->getTitle()->getPageLanguage();
3371 if ( $lang->hasVariants() ) {
3372 $variants = $lang->getVariants();
3373 foreach ( $variants as $variant ) {
3374 $tags["variant-$variant"] = Html
::element( 'link', [
3375 'rel' => 'alternate',
3376 'hreflang' => LanguageCode
::bcp47( $variant ),
3377 'href' => $this->getTitle()->getLocalURL(
3378 [ 'variant' => $variant ] )
3382 # x-default link per https://support.google.com/webmasters/answer/189077?hl=en
3383 $tags["variant-x-default"] = Html
::element( 'link', [
3384 'rel' => 'alternate',
3385 'hreflang' => 'x-default',
3386 'href' => $this->getTitle()->getLocalURL() ] );
3391 if ( $this->copyrightUrl
!== null ) {
3392 $copyright = $this->copyrightUrl
;
3395 if ( $config->get( 'RightsPage' ) ) {
3396 $copy = Title
::newFromText( $config->get( 'RightsPage' ) );
3399 $copyright = $copy->getLocalURL();
3403 if ( !$copyright && $config->get( 'RightsUrl' ) ) {
3404 $copyright = $config->get( 'RightsUrl' );
3409 $tags['copyright'] = Html
::element( 'link', [
3411 'href' => $copyright ]
3416 if ( $config->get( 'Feed' ) ) {
3419 foreach ( $this->getSyndicationLinks() as $format => $link ) {
3420 # Use the page name for the title. In principle, this could
3421 # lead to issues with having the same name for different feeds
3422 # corresponding to the same page, but we can't avoid that at
3425 $feedLinks[] = $this->feedLink(
3428 # Used messages: 'page-rss-feed' and 'page-atom-feed' (for an easier grep)
3430 "page-{$format}-feed", $this->getTitle()->getPrefixedText()
3435 # Recent changes feed should appear on every page (except recentchanges,
3436 # that would be redundant). Put it after the per-page feed to avoid
3437 # changing existing behavior. It's still available, probably via a
3438 # menu in your browser. Some sites might have a different feed they'd
3439 # like to promote instead of the RC feed (maybe like a "Recent New Articles"
3440 # or "Breaking news" one). For this, we see if $wgOverrideSiteFeed is defined.
3441 # If so, use it instead.
3442 $sitename = $config->get( 'Sitename' );
3443 if ( $config->get( 'OverrideSiteFeed' ) ) {
3444 foreach ( $config->get( 'OverrideSiteFeed' ) as $type => $feedUrl ) {
3445 // Note, this->feedLink escapes the url.
3446 $feedLinks[] = $this->feedLink(
3449 $this->msg( "site-{$type}-feed", $sitename )->text()
3452 } elseif ( !$this->getTitle()->isSpecial( 'Recentchanges' ) ) {
3453 $rctitle = SpecialPage
::getTitleFor( 'Recentchanges' );
3454 foreach ( $config->get( 'AdvertisedFeedTypes' ) as $format ) {
3455 $feedLinks[] = $this->feedLink(
3457 $rctitle->getLocalURL( [ 'feed' => $format ] ),
3458 # For grep: 'site-rss-feed', 'site-atom-feed'
3459 $this->msg( "site-{$format}-feed", $sitename )->text()
3464 # Allow extensions to change the list pf feeds. This hook is primarily for changing,
3465 # manipulating or removing existing feed tags. If you want to add new feeds, you should
3466 # use OutputPage::addFeedLink() instead.
3467 Hooks
::run( 'AfterBuildFeedLinks', [ &$feedLinks ] );
3469 $tags +
= $feedLinks;
3473 if ( $config->get( 'EnableCanonicalServerLink' ) ) {
3474 if ( $canonicalUrl !== false ) {
3475 $canonicalUrl = wfExpandUrl( $canonicalUrl, PROTO_CANONICAL
);
3477 if ( $this->isArticleRelated() ) {
3478 // This affects all requests where "setArticleRelated" is true. This is
3479 // typically all requests that show content (query title, curid, oldid, diff),
3480 // and all wikipage actions (edit, delete, purge, info, history etc.).
3481 // It does not apply to File pages and Special pages.
3482 // 'history' and 'info' actions address page metadata rather than the page
3483 // content itself, so they may not be canonicalized to the view page url.
3484 // TODO: this ought to be better encapsulated in the Action class.
3485 $action = Action
::getActionName( $this->getContext() );
3486 if ( in_array( $action, [ 'history', 'info' ] ) ) {
3487 $query = "action={$action}";
3491 $canonicalUrl = $this->getTitle()->getCanonicalURL( $query );
3493 $reqUrl = $this->getRequest()->getRequestURL();
3494 $canonicalUrl = wfExpandUrl( $reqUrl, PROTO_CANONICAL
);
3498 if ( $canonicalUrl !== false ) {
3499 $tags[] = Html
::element( 'link', [
3500 'rel' => 'canonical',
3501 'href' => $canonicalUrl
3505 // Allow extensions to add, remove and/or otherwise manipulate these links
3506 // If you want only to *add* <head> links, please use the addHeadItem()
3507 // (or addHeadItems() for multiple items) method instead.
3508 // This hook is provided as a last resort for extensions to modify these
3509 // links before the output is sent to client.
3510 Hooks
::run( 'OutputPageAfterGetHeadLinksArray', [ &$tags, $this ] );
3516 * Generate a "<link rel/>" for a feed.
3518 * @param string $type Feed type
3519 * @param string $url URL to the feed
3520 * @param string $text Value of the "title" attribute
3521 * @return string HTML fragment
3523 private function feedLink( $type, $url, $text ) {
3524 return Html
::element( 'link', [
3525 'rel' => 'alternate',
3526 'type' => "application/$type+xml",
3533 * Add a local or specified stylesheet, with the given media options.
3534 * Internal use only. Use OutputPage::addModuleStyles() if possible.
3536 * @param string $style URL to the file
3537 * @param string $media To specify a media type, 'screen', 'printable', 'handheld' or any.
3538 * @param string $condition For IE conditional comments, specifying an IE version
3539 * @param string $dir Set to 'rtl' or 'ltr' for direction-specific sheets
3541 public function addStyle( $style, $media = '', $condition = '', $dir = '' ) {
3544 $options['media'] = $media;
3547 $options['condition'] = $condition;
3550 $options['dir'] = $dir;
3552 $this->styles
[$style] = $options;
3556 * Adds inline CSS styles
3557 * Internal use only. Use OutputPage::addModuleStyles() if possible.
3559 * @param mixed $style_css Inline CSS
3560 * @param string $flip Set to 'flip' to flip the CSS if needed
3562 public function addInlineStyle( $style_css, $flip = 'noflip' ) {
3563 if ( $flip === 'flip' && $this->getLanguage()->isRTL() ) {
3564 # If wanted, and the interface is right-to-left, flip the CSS
3565 $style_css = CSSJanus
::transform( $style_css, true, false );
3567 $this->mInlineStyles
.= Html
::inlineStyle( $style_css );
3571 * Build exempt modules and legacy non-ResourceLoader styles.
3573 * @return string|WrappedStringList HTML
3575 protected function buildExemptModules() {
3577 // Things that go after the ResourceLoaderDynamicStyles marker
3580 // We want site, private and user styles to override dynamically added styles from
3581 // general modules, but we want dynamically added styles to override statically added
3582 // style modules. So the order has to be:
3583 // - page style modules (formatted by ResourceLoaderClientHtml::getHeadHtml())
3584 // - dynamically loaded styles (added by mw.loader before ResourceLoaderDynamicStyles)
3585 // - ResourceLoaderDynamicStyles marker
3586 // - site/private/user styles
3588 // Add legacy styles added through addStyle()/addInlineStyle() here
3589 $chunks[] = implode( '', $this->buildCssLinksArray() ) . $this->mInlineStyles
;
3591 $chunks[] = Html
::element(
3593 [ 'name' => 'ResourceLoaderDynamicStyles', 'content' => '' ]
3596 $separateReq = [ 'site.styles', 'user.styles' ];
3597 foreach ( $this->rlExemptStyleModules
as $group => $moduleNames ) {
3598 // Combinable modules
3599 $chunks[] = $this->makeResourceLoaderLink(
3600 array_diff( $moduleNames, $separateReq ),
3601 ResourceLoaderModule
::TYPE_STYLES
3604 foreach ( array_intersect( $moduleNames, $separateReq ) as $name ) {
3605 // These require their own dedicated request in order to support "@import"
3606 // syntax, which is incompatible with concatenation. (T147667, T37562)
3607 $chunks[] = $this->makeResourceLoaderLink( $name,
3608 ResourceLoaderModule
::TYPE_STYLES
3613 return self
::combineWrappedStrings( array_merge( $chunks, $append ) );
3619 public function buildCssLinksArray() {
3622 foreach ( $this->styles
as $file => $options ) {
3623 $link = $this->styleLink( $file, $options );
3625 $links[$file] = $link;
3632 * Generate \<link\> tags for stylesheets
3634 * @param string $style URL to the file
3635 * @param array $options Option, can contain 'condition', 'dir', 'media' keys
3636 * @return string HTML fragment
3638 protected function styleLink( $style, array $options ) {
3639 if ( isset( $options['dir'] ) ) {
3640 if ( $this->getLanguage()->getDir() != $options['dir'] ) {
3645 if ( isset( $options['media'] ) ) {
3646 $media = self
::transformCssMedia( $options['media'] );
3647 if ( is_null( $media ) ) {
3654 if ( substr( $style, 0, 1 ) == '/' ||
3655 substr( $style, 0, 5 ) == 'http:' ||
3656 substr( $style, 0, 6 ) == 'https:' ) {
3659 $config = $this->getConfig();
3660 // Append file hash as query parameter
3661 $url = self
::transformResourcePath(
3663 $config->get( 'StylePath' ) . '/' . $style
3667 $link = Html
::linkedStyle( $url, $media );
3669 if ( isset( $options['condition'] ) ) {
3670 $condition = htmlspecialchars( $options['condition'] );
3671 $link = "<!--[if $condition]>$link<![endif]-->";
3677 * Transform path to web-accessible static resource.
3679 * This is used to add a validation hash as query string.
3680 * This aids various behaviors:
3682 * - Put long Cache-Control max-age headers on responses for improved
3683 * cache performance.
3684 * - Get the correct version of a file as expected by the current page.
3685 * - Instantly get the updated version of a file after deployment.
3687 * Avoid using this for urls included in HTML as otherwise clients may get different
3688 * versions of a resource when navigating the site depending on when the page was cached.
3689 * If changes to the url propagate, this is not a problem (e.g. if the url is in
3690 * an external stylesheet).
3693 * @param Config $config
3694 * @param string $path Path-absolute URL to file (from document root, must start with "/")
3695 * @return string URL
3697 public static function transformResourcePath( Config
$config, $path ) {
3701 $remotePathPrefix = $config->get( 'ResourceBasePath' );
3702 if ( $remotePathPrefix === '' ) {
3703 // The configured base path is required to be empty string for
3704 // wikis in the domain root
3707 $remotePath = $remotePathPrefix;
3709 if ( strpos( $path, $remotePath ) !== 0 ||
substr( $path, 0, 2 ) === '//' ) {
3710 // - Path is outside wgResourceBasePath, ignore.
3711 // - Path is protocol-relative. Fixes T155310. Not supported by RelPath lib.
3714 // For files in resources, extensions/ or skins/, ResourceBasePath is preferred here.
3715 // For other misc files in $IP, we'll fallback to that as well. There is, however, a fourth
3716 // supported dir/path pair in the configuration (wgUploadDirectory, wgUploadPath)
3717 // which is not expected to be in wgResourceBasePath on CDNs. (T155146)
3718 $uploadPath = $config->get( 'UploadPath' );
3719 if ( strpos( $path, $uploadPath ) === 0 ) {
3720 $localDir = $config->get( 'UploadDirectory' );
3721 $remotePathPrefix = $remotePath = $uploadPath;
3724 $path = RelPath
::getRelativePath( $path, $remotePath );
3725 return self
::transformFilePath( $remotePathPrefix, $localDir, $path );
3729 * Utility method for transformResourceFilePath().
3731 * Caller is responsible for ensuring the file exists. Emits a PHP warning otherwise.
3734 * @param string $remotePathPrefix URL path prefix that points to $localPath
3735 * @param string $localPath File directory exposed at $remotePath
3736 * @param string $file Path to target file relative to $localPath
3737 * @return string URL
3739 public static function transformFilePath( $remotePathPrefix, $localPath, $file ) {
3740 $hash = md5_file( "$localPath/$file" );
3741 if ( $hash === false ) {
3742 wfLogWarning( __METHOD__
. ": Failed to hash $localPath/$file" );
3745 return "$remotePathPrefix/$file?" . substr( $hash, 0, 5 );
3749 * Transform "media" attribute based on request parameters
3751 * @param string $media Current value of the "media" attribute
3752 * @return string Modified value of the "media" attribute, or null to skip
3755 public static function transformCssMedia( $media ) {
3758 // https://www.w3.org/TR/css3-mediaqueries/#syntax
3759 $screenMediaQueryRegex = '/^(?:only\s+)?screen\b/i';
3761 // Switch in on-screen display for media testing
3763 'printable' => 'print',
3764 'handheld' => 'handheld',
3766 foreach ( $switches as $switch => $targetMedia ) {
3767 if ( $wgRequest->getBool( $switch ) ) {
3768 if ( $media == $targetMedia ) {
3770 } elseif ( preg_match( $screenMediaQueryRegex, $media ) === 1 ) {
3771 /* This regex will not attempt to understand a comma-separated media_query_list
3773 * Example supported values for $media:
3774 * 'screen', 'only screen', 'screen and (min-width: 982px)' ),
3775 * Example NOT supported value for $media:
3776 * '3d-glasses, screen, print and resolution > 90dpi'
3778 * If it's a print request, we never want any kind of screen stylesheets
3779 * If it's a handheld request (currently the only other choice with a switch),
3780 * we don't want simple 'screen' but we might want screen queries that
3781 * have a max-width or something, so we'll pass all others on and let the
3782 * client do the query.
3784 if ( $targetMedia == 'print' ||
$media == 'screen' ) {
3795 * Add a wikitext-formatted message to the output.
3796 * This is equivalent to:
3798 * $wgOut->addWikiText( wfMessage( ... )->plain() )
3800 public function addWikiMsg( /*...*/ ) {
3801 $args = func_get_args();
3802 $name = array_shift( $args );
3803 $this->addWikiMsgArray( $name, $args );
3807 * Add a wikitext-formatted message to the output.
3808 * Like addWikiMsg() except the parameters are taken as an array
3809 * instead of a variable argument list.
3811 * @param string $name
3812 * @param array $args
3814 public function addWikiMsgArray( $name, $args ) {
3815 $this->addHTML( $this->msg( $name, $args )->parseAsBlock() );
3819 * This function takes a number of message/argument specifications, wraps them in
3820 * some overall structure, and then parses the result and adds it to the output.
3822 * In the $wrap, $1 is replaced with the first message, $2 with the second,
3823 * and so on. The subsequent arguments may be either
3824 * 1) strings, in which case they are message names, or
3825 * 2) arrays, in which case, within each array, the first element is the message
3826 * name, and subsequent elements are the parameters to that message.
3828 * Don't use this for messages that are not in the user's interface language.
3832 * $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>", 'some-error' );
3836 * $wgOut->addWikiText( "<div class='error'>\n"
3837 * . wfMessage( 'some-error' )->plain() . "\n</div>" );
3839 * The newline after the opening div is needed in some wikitext. See T21226.
3841 * @param string $wrap
3843 public function wrapWikiMsg( $wrap /*, ...*/ ) {
3844 $msgSpecs = func_get_args();
3845 array_shift( $msgSpecs );
3846 $msgSpecs = array_values( $msgSpecs );
3848 foreach ( $msgSpecs as $n => $spec ) {
3849 if ( is_array( $spec ) ) {
3851 $name = array_shift( $args );
3852 if ( isset( $args['options'] ) ) {
3853 unset( $args['options'] );
3855 'Adding "options" to ' . __METHOD__
. ' is no longer supported',
3863 $s = str_replace( '$' . ( $n +
1 ), $this->msg( $name, $args )->plain(), $s );
3865 $this->addWikiText( $s );
3869 * Whether the output has a table of contents
3873 public function isTOCEnabled() {
3874 return $this->mEnableTOC
;
3878 * Enables/disables section edit links, doesn't override __NOEDITSECTION__
3881 * @deprecated since 1.31, use $poOptions to addParserOutput() instead.
3883 public function enableSectionEditLinks( $flag = true ) {
3884 wfDeprecated( __METHOD__
, '1.31' );
3890 * @deprecated since 1.31, use $poOptions to addParserOutput() instead.
3892 public function sectionEditLinksEnabled() {
3893 wfDeprecated( __METHOD__
, '1.31' );
3898 * Helper function to setup the PHP implementation of OOUI to use in this request.
3901 * @param String $skinName The Skin name to determine the correct OOUI theme
3902 * @param String $dir Language direction
3904 public static function setupOOUI( $skinName = 'default', $dir = 'ltr' ) {
3905 $themes = ResourceLoaderOOUIModule
::getSkinThemeMap();
3906 $theme = $themes[$skinName] ??
$themes['default'];
3907 // For example, 'OOUI\WikimediaUITheme'.
3908 $themeClass = "OOUI\\{$theme}Theme";
3909 OOUI\Theme
::setSingleton( new $themeClass() );
3910 OOUI\Element
::setDefaultDir( $dir );
3914 * Add ResourceLoader module styles for OOUI and set up the PHP implementation of it for use with
3915 * MediaWiki and this OutputPage instance.
3919 public function enableOOUI() {
3921 strtolower( $this->getSkin()->getSkinName() ),
3922 $this->getLanguage()->getDir()
3924 $this->addModuleStyles( [
3925 'oojs-ui-core.styles',
3926 'oojs-ui.styles.indicators',
3927 'oojs-ui.styles.textures',
3928 'mediawiki.widgets.styles',
3929 'oojs-ui.styles.icons-content',
3930 'oojs-ui.styles.icons-alerts',
3931 'oojs-ui.styles.icons-interactions',
3936 * Add Link headers for preloading the wiki's logo.
3940 protected function addLogoPreloadLinkHeaders() {
3941 $logo = ResourceLoaderSkinModule
::getLogo( $this->getConfig() );
3947 if ( !is_array( $logo ) ) {
3948 // No media queries required if we only have one variant
3949 $this->addLinkHeader( '<' . $logo . '>;rel=preload;as=image' );
3953 if ( isset( $logo['svg'] ) ) {
3954 // No media queries required if we only have a 1x and svg variant
3955 // because all preload-capable browsers support SVGs
3956 $this->addLinkHeader( '<' . $logo['svg'] . '>;rel=preload;as=image' );
3960 foreach ( $logo as $dppx => $src ) {
3961 // Keys are in this format: "1.5x"
3962 $dppx = substr( $dppx, 0, -1 );
3963 $logosPerDppx[$dppx] = $src;
3966 // Because PHP can't have floats as array keys
3967 uksort( $logosPerDppx, function ( $a , $b ) {
3968 $a = floatval( $a );
3969 $b = floatval( $b );
3970 // Sort from smallest to largest (e.g. 1x, 1.5x, 2x)
3974 foreach ( $logosPerDppx as $dppx => $src ) {
3975 $logos[] = [ 'dppx' => $dppx, 'src' => $src ];
3978 $logosCount = count( $logos );
3979 // Logic must match ResourceLoaderSkinModule:
3980 // - 1x applies to resolution < 1.5dppx
3981 // - 1.5x applies to resolution >= 1.5dppx && < 2dppx
3982 // - 2x applies to resolution >= 2dppx
3983 // Note that min-resolution and max-resolution are both inclusive.
3984 for ( $i = 0; $i < $logosCount; $i++
) {
3987 // min-resolution is ">=" (larger than or equal to)
3988 // "not min-resolution" is essentially "<"
3989 $media_query = 'not all and (min-resolution: ' . $logos[ 1 ]['dppx'] . 'dppx)';
3990 } elseif ( $i !== $logosCount - 1 ) {
3992 // Media query expressions can only apply "not" to the entire expression
3993 // (e.g. can't express ">= 1.5 and not >= 2).
3994 // Workaround: Use <= 1.9999 in place of < 2.
3995 $upper_bound = floatval( $logos[ $i +
1 ]['dppx'] ) - 0.000001;
3996 $media_query = '(min-resolution: ' . $logos[ $i ]['dppx'] .
3997 'dppx) and (max-resolution: ' . $upper_bound . 'dppx)';
4000 $media_query = '(min-resolution: ' . $logos[ $i ]['dppx'] . 'dppx)';
4003 $this->addLinkHeader(
4004 '<' . $logos[$i]['src'] . '>;rel=preload;as=image;media=' . $media_query
4010 * Get (and set if not yet set) the CSP nonce.
4012 * This value needs to be included in any <script> tags on the
4015 * @return string|bool Nonce or false to mean don't output nonce
4018 public function getCSPNonce() {
4019 if ( !ContentSecurityPolicy
::isNonceRequired( $this->getConfig() ) ) {
4022 if ( $this->CSPNonce
=== null ) {
4023 // XXX It might be expensive to generate randomness
4024 // on every request, on Windows.
4025 $rand = random_bytes( 15 );
4026 $this->CSPNonce
= base64_encode( $rand );
4028 return $this->CSPNonce
;