Update to MediaWiki 1.24.1

1 files changed, 286 insertions, 0 deletions

diff --git a/includes/specials/SpecialExpandTemplates.php b/includes/specials/SpecialExpandTemplates.php
new file mode 100644
index 00000000..62f957fc
--- /dev/null
+++ b/includes/specials/SpecialExpandTemplates.php
@@ -0,0 +1,286 @@
+<?php
+/**
+ * Implements Special:ExpandTemplates
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * A special page that expands submitted templates, parser functions,
+ * and variables, allowing easier debugging of these.
+ *
+ * @ingroup SpecialPage
+ */
+class SpecialExpandTemplates extends SpecialPage {
+
+	/** @var bool Whether or not to show the XML parse tree */
+	protected $generateXML;
+
+	/** @var bool Whether or not to show the raw HTML code */
+	protected $generateRawHtml;
+
+	/** @var bool Whether or not to remove comments in the expanded wikitext */
+	protected $removeComments;
+
+	/** @var bool Whether or not to remove <nowiki> tags in the expanded wikitext */
+	protected $removeNowiki;
+
+	/** @var int Maximum size in bytes to include. 50MB allows fixing those huge pages */
+	const MAX_INCLUDE_SIZE = 50000000;
+
+	function __construct() {
+		parent::__construct( 'ExpandTemplates' );
+	}
+
+	/**
+	 * Show the special page
+	 * @param string|null $subpage
+	 */
+	function execute( $subpage ) {
+		global $wgParser;
+
+		$this->setHeaders();
+
+		$request = $this->getRequest();
+		$titleStr = $request->getText( 'wpContextTitle' );
+		$title = Title::newFromText( $titleStr );
+
+		if ( !$title ) {
+			$title = $this->getPageTitle();
+		}
+		$input = $request->getText( 'wpInput' );
+		$this->generateXML = $request->getBool( 'wpGenerateXml' );
+		$this->generateRawHtml = $request->getBool( 'wpGenerateRawHtml' );
+
+		if ( strlen( $input ) ) {
+			$this->removeComments = $request->getBool( 'wpRemoveComments', false );
+			$this->removeNowiki = $request->getBool( 'wpRemoveNowiki', false );
+			$options = ParserOptions::newFromContext( $this->getContext() );
+			$options->setRemoveComments( $this->removeComments );
+			$options->setTidy( true );
+			$options->setMaxIncludeSize( self::MAX_INCLUDE_SIZE );
+
+			if ( $this->generateXML ) {
+				$wgParser->startExternalParse( $title, $options, OT_PREPROCESS );
+				$dom = $wgParser->preprocessToDom( $input );
+
+				if ( method_exists( $dom, 'saveXML' ) ) {
+					$xml = $dom->saveXML();
+				} else {
+					$xml = $dom->__toString();
+				}
+			}
+
+			$output = $wgParser->preprocess( $input, $title, $options );
+		} else {
+			$this->removeComments = $request->getBool( 'wpRemoveComments', true );
+			$this->removeNowiki = $request->getBool( 'wpRemoveNowiki', false );
+			$output = false;
+		}
+
+		$out = $this->getOutput();
+		$out->addWikiMsg( 'expand_templates_intro' );
+		$out->addHTML( $this->makeForm( $titleStr, $input ) );
+
+		if ( $output !== false ) {
+			if ( $this->generateXML && strlen( $output ) > 0 ) {
+				$out->addHTML( $this->makeOutput( $xml, 'expand_templates_xml_output' ) );
+			}
+
+			$tmp = $this->makeOutput( $output );
+
+			if ( $this->removeNowiki ) {
+				$tmp = preg_replace(
+					array( '_&lt;nowiki&gt;_', '_&lt;/nowiki&gt;_', '_&lt;nowiki */&gt;_' ),
+					'',
+					$tmp
+				);
+			}
+
+			$config = $this->getConfig();
+			if ( ( $config->get( 'UseTidy' ) && $options->getTidy() ) || $config->get( 'AlwaysUseTidy' ) ) {
+				$tmp = MWTidy::tidy( $tmp );
+			}
+
+			$out->addHTML( $tmp );
+
+			$pout = $this->generateHtml( $title, $output );
+			$rawhtml = $pout->getText();
+			if ( $this->generateRawHtml && strlen( $rawhtml ) > 0 ) {
+				$out->addHTML( $this->makeOutput( $rawhtml, 'expand_templates_html_output' ) );
+			}
+
+			$this->showHtmlPreview( $title, $pout, $out );
+		}
+	}
+
+	/**
+	 * Generate a form allowing users to enter information
+	 *
+	 * @param string $title Value for context title field
+	 * @param string $input Value for input textbox
+	 * @return string
+	 */
+	private function makeForm( $title, $input ) {
+		$self = $this->getPageTitle();
+		$request = $this->getRequest();
+		$user = $this->getUser();
+
+		$form = Xml::openElement(
+			'form',
+			array( 'method' => 'post', 'action' => $self->getLocalUrl() )
+		);
+		$form .= "<fieldset><legend>" . $this->msg( 'expandtemplates' )->escaped() . "</legend>\n";
+
+		$form .= '<p>' . Xml::inputLabel(
+			$this->msg( 'expand_templates_title' )->plain(),
+			'wpContextTitle',
+			'contexttitle',
+			60,
+			$title,
+			array( 'autofocus' => true )
+		) . '</p>';
+		$form .= '<p>' . Xml::label(
+			$this->msg( 'expand_templates_input' )->text(),
+			'input'
+		) . '</p>';
+		$form .= Xml::textarea(
+			'wpInput',
+			$input,
+			10,
+			10,
+			array( 'id' => 'input' )
+		);
+
+		$form .= '<p>' . Xml::checkLabel(
+			$this->msg( 'expand_templates_remove_comments' )->text(),
+			'wpRemoveComments',
+			'removecomments',
+			$this->removeComments
+		) . '</p>';
+		$form .= '<p>' . Xml::checkLabel(
+			$this->msg( 'expand_templates_remove_nowiki' )->text(),
+			'wpRemoveNowiki',
+			'removenowiki',
+			$this->removeNowiki
+		) . '</p>';
+		$form .= '<p>' . Xml::checkLabel(
+			$this->msg( 'expand_templates_generate_xml' )->text(),
+			'wpGenerateXml',
+			'generate_xml',
+			$this->generateXML
+		) . '</p>';
+		$form .= '<p>' . Xml::checkLabel(
+			$this->msg( 'expand_templates_generate_rawhtml' )->text(),
+			'wpGenerateRawHtml',
+			'generate_rawhtml',
+			$this->generateRawHtml
+		) . '</p>';
+		$form .= '<p>' . Xml::submitButton(
+			$this->msg( 'expand_templates_ok' )->text(),
+			array( 'accesskey' => 's' )
+		) . '</p>';
+		$form .= "</fieldset>\n";
+		$form .= Html::hidden( 'wpEditToken', $user->getEditToken( '', $request ) );
+		$form .= Xml::closeElement( 'form' );
+
+		return $form;
+	}
+
+	/**
+	 * Generate a nice little box with a heading for output
+	 *
+	 * @param string $output Wiki text output
+	 * @param string $heading
+	 * @return string
+	 */
+	private function makeOutput( $output, $heading = 'expand_templates_output' ) {
+		$out = "<h2>" . $this->msg( $heading )->escaped() . "</h2>\n";
+		$out .= Xml::textarea(
+			'output',
+			$output,
+			10,
+			10,
+			array( 'id' => 'output', 'readonly' => 'readonly' )
+		);
+
+		return $out;
+	}
+
+	/**
+	 * Renders the supplied wikitext as html
+	 *
+	 * @param Title $title
+	 * @param string $text
+	 * @return ParserOutput
+	 */
+	private function generateHtml( Title $title, $text ) {
+		global $wgParser;
+
+		$popts = ParserOptions::newFromContext( $this->getContext() );
+		$popts->setTargetLanguage( $title->getPageLanguage() );
+		return $wgParser->parse( $text, $title, $popts );
+	}
+
+	/**
+	 * Wraps the provided html code in a div and outputs it to the page
+	 *
+	 * @param Title $title
+	 * @param ParserOutput $pout
+	 * @param OutputPage $out
+	 */
+	private function showHtmlPreview( Title $title, ParserOutput $pout, OutputPage $out ) {
+		$lang = $title->getPageViewLanguage();
+		$out->addHTML( "<h2>" . $this->msg( 'expand_templates_preview' )->escaped() . "</h2>\n" );
+
+		if ( $this->getConfig()->get( 'RawHtml' ) ) {
+			$request = $this->getRequest();
+			$user = $this->getUser();
+
+			// To prevent cross-site scripting attacks, don't show the preview if raw HTML is
+			// allowed and a valid edit token is not provided (bug 71111). However, MediaWiki
+			// does not currently provide logged-out users with CSRF protection; in that case,
+			// do not show the preview unless anonymous editing is allowed.
+			if ( $user->isAnon() && !$user->isAllowed( 'edit' ) ) {
+				$error = array( 'expand_templates_preview_fail_html_anon' );
+			} elseif ( !$user->matchEditToken( $request->getVal( 'wpEditToken' ), '', $request ) ) {
+				$error = array( 'expand_templates_preview_fail_html' );
+			} else {
+				$error = false;
+			}
+
+			if ( $error ) {
+				$out->wrapWikiMsg( "<div class='previewnote'>\n$1\n</div>", $error );
+				return;
+			}
+		}
+
+		$out->addHTML( Html::openElement( 'div', array(
+			'class' => 'mw-content-' . $lang->getDir(),
+			'dir' => $lang->getDir(),
+			'lang' => $lang->getHtmlCode(),
+		) ) );
+		$out->addParserOutputContent( $pout );
+		$out->addHTML( Html::closeElement( 'div' ) );
+	}
+
+	protected function getGroupName() {
+		return 'wiki';
+	}
+}