1 files changed, 384 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialAllPages.php b/www/wiki/includes/specials/SpecialAllPages.php
new file mode 100644
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+++ b/www/wiki/includes/specials/SpecialAllPages.php
@@ -0,0 +1,384 @@
+<?php
+/**
+ * Implements Special:Allpages
+ *
+ * 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
+ */
+
+/**
+ * Implements Special:Allpages
+ *
+ * @ingroup SpecialPage
+ * @todo Rewrite using IndexPager
+ */
+class SpecialAllPages extends IncludableSpecialPage {
+
+	/**
+	 * Maximum number of pages to show on single subpage.
+	 *
+	 * @var int $maxPerPage
+	 */
+	protected $maxPerPage = 345;
+
+	/**
+	 * Determines, which message describes the input field 'nsfrom'.
+	 *
+	 * @var string $nsfromMsg
+	 */
+	protected $nsfromMsg = 'allpagesfrom';
+
+	/**
+	 * @param string $name Name of the special page, as seen in links and URLs (default: 'Allpages')
+	 */
+	function __construct( $name = 'Allpages' ) {
+		parent::__construct( $name );
+	}
+
+	/**
+	 * Entry point : initialise variables and call subfunctions.
+	 *
+	 * @param string $par Becomes "FOO" when called like Special:Allpages/FOO (default null)
+	 */
+	function execute( $par ) {
+		$request = $this->getRequest();
+		$out = $this->getOutput();
+
+		$this->setHeaders();
+		$this->outputHeader();
+		$out->allowClickjacking();
+
+		# GET values
+		$from = $request->getVal( 'from', null );
+		$to = $request->getVal( 'to', null );
+		$namespace = $request->getInt( 'namespace' );
+
+		$miserMode = (bool)$this->getConfig()->get( 'MiserMode' );
+
+		// Redirects filter is disabled in MiserMode
+		$hideredirects = $request->getBool( 'hideredirects', false ) && !$miserMode;
+
+		$namespaces = $this->getLanguage()->getNamespaces();
+
+		$out->setPageTitle(
+			( $namespace > 0 && array_key_exists( $namespace, $namespaces ) ) ?
+				$this->msg( 'allinnamespace', str_replace( '_', ' ', $namespaces[$namespace] ) ) :
+				$this->msg( 'allarticles' )
+		);
+		$out->addModuleStyles( 'mediawiki.special' );
+
+		if ( $par !== null ) {
+			$this->showChunk( $namespace, $par, $to, $hideredirects );
+		} elseif ( $from !== null && $to === null ) {
+			$this->showChunk( $namespace, $from, $to, $hideredirects );
+		} else {
+			$this->showToplevel( $namespace, $from, $to, $hideredirects );
+		}
+	}
+
+	/**
+	 * Outputs the HTMLForm used on this page
+	 *
+	 * @param int $namespace A namespace constant (default NS_MAIN).
+	 * @param string $from DbKey we are starting listing at.
+	 * @param string $to DbKey we are ending listing at.
+	 * @param bool $hideRedirects Dont show redirects  (default false)
+	 */
+	protected function outputHTMLForm( $namespace = NS_MAIN,
+		$from = '', $to = '', $hideRedirects = false
+	) {
+		$miserMode = (bool)$this->getConfig()->get( 'MiserMode' );
+		$fields = [
+			'from' => [
+				'type' => 'text',
+				'name' => 'from',
+				'id' => 'nsfrom',
+				'size' => 30,
+				'label-message' => 'allpagesfrom',
+				'default' => str_replace( '_', ' ', $from ),
+			],
+			'to' => [
+				'type' => 'text',
+				'name' => 'to',
+				'id' => 'nsto',
+				'size' => 30,
+				'label-message' => 'allpagesto',
+				'default' => str_replace( '_', ' ', $to ),
+			],
+			'namespace' => [
+				'type' => 'namespaceselect',
+				'name' => 'namespace',
+				'id' => 'namespace',
+				'label-message' => 'namespace',
+				'all' => null,
+				'value' => $namespace,
+			],
+			'hideredirects' => [
+				'type' => 'check',
+				'name' => 'hideredirects',
+				'id' => 'hidredirects',
+				'label-message' => 'allpages-hide-redirects',
+				'value' => $hideRedirects,
+			],
+		];
+
+		if ( $miserMode ) {
+			unset( $fields['hideredirects'] );
+		}
+
+		$form = HTMLForm::factory( 'table', $fields, $this->getContext() );
+		$form->setMethod( 'get' )
+			->setWrapperLegendMsg( 'allpages' )
+			->setSubmitTextMsg( 'allpagessubmit' )
+			->prepareForm()
+			->displayForm( false );
+	}
+
+	/**
+	 * @param int $namespace (default NS_MAIN)
+	 * @param string $from List all pages from this name
+	 * @param string $to List all pages to this name
+	 * @param bool $hideredirects Dont show redirects (default false)
+	 */
+	function showToplevel( $namespace = NS_MAIN, $from = '', $to = '', $hideredirects = false ) {
+		$from = Title::makeTitleSafe( $namespace, $from );
+		$to = Title::makeTitleSafe( $namespace, $to );
+		$from = ( $from && $from->isLocal() ) ? $from->getDBkey() : null;
+		$to = ( $to && $to->isLocal() ) ? $to->getDBkey() : null;
+
+		$this->showChunk( $namespace, $from, $to, $hideredirects );
+	}
+
+	/**
+	 * @param int $namespace Namespace (Default NS_MAIN)
+	 * @param string $from List all pages from this name (default false)
+	 * @param string $to List all pages to this name (default false)
+	 * @param bool $hideredirects Dont show redirects (default false)
+	 */
+	function showChunk( $namespace = NS_MAIN, $from = false, $to = false, $hideredirects = false ) {
+		$output = $this->getOutput();
+
+		$fromList = $this->getNamespaceKeyAndText( $namespace, $from );
+		$toList = $this->getNamespaceKeyAndText( $namespace, $to );
+		$namespaces = $this->getContext()->getLanguage()->getNamespaces();
+		$n = 0;
+		$prevTitle = null;
+
+		if ( !$fromList || !$toList ) {
+			$out = $this->msg( 'allpagesbadtitle' )->parseAsBlock();
+		} elseif ( !array_key_exists( $namespace, $namespaces ) ) {
+			// Show errormessage and reset to NS_MAIN
+			$out = $this->msg( 'allpages-bad-ns', $namespace )->parse();
+			$namespace = NS_MAIN;
+		} else {
+			list( $namespace, $fromKey, $from ) = $fromList;
+			list( , $toKey, $to ) = $toList;
+
+			$dbr = wfGetDB( DB_REPLICA );
+			$filterConds = [ 'page_namespace' => $namespace ];
+			if ( $hideredirects ) {
+				$filterConds['page_is_redirect'] = 0;
+			}
+
+			$conds = $filterConds;
+			$conds[] = 'page_title >= ' . $dbr->addQuotes( $fromKey );
+			if ( $toKey !== "" ) {
+				$conds[] = 'page_title <= ' . $dbr->addQuotes( $toKey );
+			}
+
+			$res = $dbr->select( 'page',
+				[ 'page_namespace', 'page_title', 'page_is_redirect', 'page_id' ],
+				$conds,
+				__METHOD__,
+				[
+					'ORDER BY' => 'page_title',
+					'LIMIT' => $this->maxPerPage + 1,
+					'USE INDEX' => 'name_title',
+				]
+			);
+
+			$linkRenderer = $this->getLinkRenderer();
+			if ( $res->numRows() > 0 ) {
+				$out = Html::openElement( 'ul', [ 'class' => 'mw-allpages-chunk' ] );
+
+				while ( ( $n < $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
+					$t = Title::newFromRow( $s );
+					if ( $t ) {
+						$out .= '<li' .
+							( $s->page_is_redirect ? ' class="allpagesredirect"' : '' ) .
+							'>' .
+							$linkRenderer->makeLink( $t ) .
+							"</li>\n";
+					} else {
+						$out .= '<li>[[' . htmlspecialchars( $s->page_title ) . "]]</li>\n";
+					}
+					$n++;
+				}
+				$out .= Html::closeElement( 'ul' );
+
+				if ( $res->numRows() > 2 ) {
+					// Only apply CSS column styles if there's more than 2 entries.
+					// Otherwise, rendering is broken as "mw-allpages-body"'s CSS column count is 3.
+					$out = Html::rawElement( 'div', [ 'class' => 'mw-allpages-body' ], $out );
+				}
+			} else {
+				$out = '';
+			}
+
+			if ( $fromKey !== '' && !$this->including() ) {
+				# Get the first title from previous chunk
+				$prevConds = $filterConds;
+				$prevConds[] = 'page_title < ' . $dbr->addQuotes( $fromKey );
+				$prevKey = $dbr->selectField(
+					'page',
+					'page_title',
+					$prevConds,
+					__METHOD__,
+					[ 'ORDER BY' => 'page_title DESC', 'OFFSET' => $this->maxPerPage - 1 ]
+				);
+
+				if ( $prevKey === false ) {
+					# The previous chunk is not complete, need to link to the very first title
+					# available in the database
+					$prevKey = $dbr->selectField(
+						'page',
+						'page_title',
+						$prevConds,
+						__METHOD__,
+						[ 'ORDER BY' => 'page_title' ]
+					);
+				}
+
+				if ( $prevKey !== false ) {
+					$prevTitle = Title::makeTitle( $namespace, $prevKey );
+				}
+			}
+		}
+
+		if ( $this->including() ) {
+			$output->addHTML( $out );
+			return;
+		}
+
+		$navLinks = [];
+		$self = $this->getPageTitle();
+
+		$linkRenderer = $this->getLinkRenderer();
+		// Generate a "previous page" link if needed
+		if ( $prevTitle ) {
+			$query = [ 'from' => $prevTitle->getText() ];
+
+			if ( $namespace ) {
+				$query['namespace'] = $namespace;
+			}
+
+			if ( $hideredirects ) {
+				$query['hideredirects'] = $hideredirects;
+			}
+
+			$navLinks[] = $linkRenderer->makeKnownLink(
+				$self,
+				$this->msg( 'prevpage', $prevTitle->getText() )->text(),
+				[],
+				$query
+			);
+
+		}
+
+		// Generate a "next page" link if needed
+		if ( $n == $this->maxPerPage && $s = $res->fetchObject() ) {
+			# $s is the first link of the next chunk
+			$t = Title::makeTitle( $namespace, $s->page_title );
+			$query = [ 'from' => $t->getText() ];
+
+			if ( $namespace ) {
+				$query['namespace'] = $namespace;
+			}
+
+			if ( $hideredirects ) {
+				$query['hideredirects'] = $hideredirects;
+			}
+
+			$navLinks[] = $linkRenderer->makeKnownLink(
+				$self,
+				$this->msg( 'nextpage', $t->getText() )->text(),
+				[],
+				$query
+			);
+		}
+
+		$this->outputHTMLForm( $namespace, $from, $to, $hideredirects );
+
+		if ( count( $navLinks ) ) {
+			// Add pagination links
+			$pagination = Html::rawElement( 'div',
+				[ 'class' => 'mw-allpages-nav' ],
+				$this->getLanguage()->pipeList( $navLinks )
+			);
+
+			$output->addHTML( $pagination );
+			$out .= Html::element( 'hr' ) . $pagination; // Footer
+		}
+
+		$output->addHTML( $out );
+	}
+
+	/**
+	 * @param int $ns The namespace of the article
+	 * @param string $text The name of the article
+	 * @return array|null [ int namespace, string dbkey, string pagename ] or null on error
+	 */
+	protected function getNamespaceKeyAndText( $ns, $text ) {
+		if ( $text == '' ) {
+			# shortcut for common case
+			return [ $ns, '', '' ];
+		}
+
+		$t = Title::makeTitleSafe( $ns, $text );
+		if ( $t && $t->isLocal() ) {
+			return [ $t->getNamespace(), $t->getDBkey(), $t->getText() ];
+		} elseif ( $t ) {
+			return null;
+		}
+
+		# try again, in case the problem was an empty pagename
+		$text = preg_replace( '/(#|$)/', 'X$1', $text );
+		$t = Title::makeTitleSafe( $ns, $text );
+		if ( $t && $t->isLocal() ) {
+			return [ $t->getNamespace(), '', '' ];
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Return an array of subpages beginning with $search that this special page will accept.
+	 *
+	 * @param string $search Prefix to search for
+	 * @param int $limit Maximum number of results to return (usually 10)
+	 * @param int $offset Number of results to skip (usually 0)
+	 * @return string[] Matching subpages
+	 */
+	public function prefixSearchSubpages( $search, $limit, $offset ) {
+		return $this->prefixSearchString( $search, $limit, $offset );
+	}
+
+	protected function getGroupName() {
+		return 'pages';
+	}
+}