Special:Userrights didn't recognize user as self if person didn't capitalize
[lhc/web/wiklou.git] / includes / api / ApiParse.php
index 71cf0f9..1c22ced 100644 (file)
@@ -1,11 +1,11 @@
 <?php
 
-/*
+/**
  * Created on Dec 01, 2007
  *
  * API for MediaWiki 1.8+
  *
- * Copyright (C) 2007 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Copyright © 2007 Yuri Astrakhan <Firstname><Lastname>@gmail.com
  *
  * 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
@@ -23,9 +23,9 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
        // Eclipse helper - will be ignored in production
-       require_once ("ApiBase.php");
+       require_once( "ApiBase.php" );
 }
 
 /**
@@ -33,8 +33,8 @@ if (!defined('MEDIAWIKI')) {
  */
 class ApiParse extends ApiBase {
 
-       public function __construct($main, $action) {
-               parent :: __construct($main, $action);
+       public function __construct( $main, $action ) {
+               parent::__construct( $main, $action );
        }
 
        public function execute() {
@@ -43,83 +43,197 @@ class ApiParse extends ApiBase {
                $text = $params['text'];
                $title = $params['title'];
                $page = $params['page'];
+               $pageid = $params['pageid'];
                $oldid = $params['oldid'];
-               if(!is_null($page) && (!is_null($text) || $title != "API"))
-                       $this->dieUsage("The page parameter cannot be used together with the text and title parameters", 'params');
-               $prop = array_flip($params['prop']);
+
+               if ( !is_null( $page ) && ( !is_null( $text ) || $title != 'API' ) ) {
+                       $this->dieUsage( 'The page parameter cannot be used together with the text and title parameters', 'params' );
+               }
+               $prop = array_flip( $params['prop'] );
                $revid = false;
+               
+               if ( isset( $params['section'] ) ) {
+                       $this->section = $params['section'];
+               } else {
+                       $this->section = false;
+               }
+
+               // The parser needs $wgTitle to be set, apparently the
+               // $title parameter in Parser::parse isn't enough *sigh*
+               global $wgParser, $wgUser, $wgTitle, $wgEnableParserCache, $wgLang;
+
+               // Currently unncessary, code to act as a safeguard against any change in current behaviour of uselang breaks
+               $oldLang = null;
+               if ( isset( $params['uselang'] ) && $params['uselang'] != $wgLang->getCode() ) {
+                       $oldLang = $wgLang; // Backup wgLang
+                       $wgLang = Language::factory( $params['uselang'] );
+               }
 
-               global $wgParser, $wgUser;
                $popts = new ParserOptions();
-               $popts->setTidy(true);
+               $popts->setTidy( true );
                $popts->enableLimitReport();
-               if(!is_null($oldid) || !is_null($page))
-               {
-                       if(!is_null($oldid))
-                       {
-                               # Don't use the parser cache
-                               $rev = Revision::newFromID($oldid);
-                               if(!$rev)
-                                       $this->dieUsage("There is no revision ID $oldid", 'missingrev');
-                               if(!$rev->userCan(Revision::DELETED_TEXT))
-                                       $this->dieUsage("You don't have permission to view deleted revisions", 'permissiondenied');
-                               $text = $rev->getRawText();
+               $redirValues = null;
+               if ( !is_null( $oldid ) || !is_null( $pageid ) || !is_null( $page ) ) {
+                       if ( !is_null( $oldid ) ) {
+                               // Don't use the parser cache
+                               $rev = Revision::newFromID( $oldid );
+                               if ( !$rev ) {
+                                       $this->dieUsage( "There is no revision ID $oldid", 'missingrev' );
+                               }
+                               if ( !$rev->userCan( Revision::DELETED_TEXT ) ) {
+                                       $this->dieUsage( "You don't have permission to view deleted revisions", 'permissiondenied' );
+                               }
+
+                               $text = $rev->getText( Revision::FOR_THIS_USER );
                                $titleObj = $rev->getTitle();
-                               $p_result = $wgParser->parse($text, $titleObj, $popts);
-                       }
-                       else
-                       {
-                               $titleObj = Title::newFromText($page);
-                               if(!$titleObj)
-                                       $this->dieUsage("The page you specified doesn't exist", 'missingtitle');
-
-                               // Try the parser cache first
-                               $articleObj = new Article($titleObj);
-                               if(isset($prop['revid']))
+                               $wgTitle = $titleObj;
+
+                               if ( $this->section !== false ) {
+                                       $text = $this->getSectionText( $text, 'r' . $rev );
+                               }
+
+                               $p_result = $wgParser->parse( $text, $titleObj, $popts );
+                       } else {
+                               if ( !is_null ( $pageid ) ) {
+                                       $titleObj = Title::newFromID( $pageid );
+
+                                       if ( !$titleObj ) {
+                                               $this->dieUsageMsg( array( 'nosuchpageid', $pageid ) );
+                                       }
+                               } else {
+                                       if ( $params['redirects'] ) {
+                                               $req = new FauxRequest( array(
+                                                       'action' => 'query',
+                                                       'redirects' => '',
+                                                       'titles' => $page
+                                               ) );
+                                               $main = new ApiMain( $req );
+                                               $main->execute();
+                                               $data = $main->getResultData();
+                                               $redirValues = @$data['query']['redirects'];
+                                               $to = $page;
+                                               foreach ( (array)$redirValues as $r ) {
+                                                       $to = $r['to'];
+                                               }
+                                       } else {
+                                               $to = $page;
+                                       }
+                                       $titleObj = Title::newFromText( $to );
+                                       if ( !$titleObj ) {
+                                               $this->dieUsage( "The page you specified doesn't exist", 'missingtitle' );
+                                       }
+                               }
+                               $wgTitle = $titleObj;
+
+                               $articleObj = new Article( $titleObj );
+                               if ( isset( $prop['revid'] ) ) {
                                        $oldid = $articleObj->getRevIdFetched();
-                               $pcache = ParserCache::singleton();
-                               $p_result = $pcache->get($articleObj, $wgUser);
-                               if(!$p_result) {
-                                       $p_result = $wgParser->parse($articleObj->getContent(), $titleObj, $popts);
-                                       global $wgUseParserCache;
-                                       if($wgUseParserCache)
-                                               $pcache->save($p_result, $articleObj, $wgUser);
+                               }
+
+                               if ( $this->section !== false ) {
+                                       $text = $this->getSectionText( $text, !is_null ( $pageid ) ? 'page id ' . $pageid : $titleObj->getText() );
+                                       $p_result = $wgParser->parse( $text, $titleObj, $popts );
+                               } else {
+                                       // Try the parser cache first
+                                       $p_result = false;
+                                       $pcache = ParserCache::singleton();
+                                       if ( $wgEnableParserCache ) {
+                                               $p_result = $pcache->get( $articleObj, $wgUser );
+                                       }
+                                       if ( !$p_result ) {
+                                               $p_result = $wgParser->parse( $articleObj->getContent(), $titleObj, $popts );
+
+                                               if ( $wgEnableParserCache ) {
+                                                       $pcache->save( $p_result, $articleObj, $popts );
+                                               }
+                                       }
                                }
                        }
-               }
-               else
-               {
-                       $titleObj = Title::newFromText($title);
-                       if(!$titleObj)
-                               $titleObj = Title::newFromText("API");
-                       $p_result = $wgParser->parse($text, $titleObj, $popts);
+               } else {
+                       $titleObj = Title::newFromText( $title );
+                       if ( !$titleObj ) {
+                               $titleObj = Title::newFromText( 'API' );
+                       }
+                       $wgTitle = $titleObj;
+
+                       if ( $this->section !== false ) {
+                               $text = $this->getSectionText( $text, $titleObj->getText() );
+                       }
+
+                       if ( $params['pst'] || $params['onlypst'] ) {
+                               $text = $wgParser->preSaveTransform( $text, $titleObj, $wgUser, $popts );
+                       }
+                       if ( $params['onlypst'] ) {
+                               // Build a result and bail out
+                               $result_array['text'] = array();
+                               $this->getResult()->setContent( $result_array['text'], $text );
+                               $this->getResult()->addValue( null, $this->getModuleName(), $result_array );
+                               return;
+                       }
+                       $p_result = $wgParser->parse( $text, $titleObj, $popts );
                }
 
                // Return result
                $result = $this->getResult();
                $result_array = array();
-               if(isset($prop['text'])) {
+               if ( $params['redirects'] && !is_null( $redirValues ) ) {
+                       $result_array['redirects'] = $redirValues;
+               }
+
+               if ( isset( $prop['text'] ) ) {
                        $result_array['text'] = array();
-                       $result->setContent($result_array['text'], $p_result->getText());
-               }
-               if(isset($prop['langlinks']))
-                       $result_array['langlinks'] = $this->formatLangLinks($p_result->getLanguageLinks());
-               if(isset($prop['categories']))
-                       $result_array['categories'] = $this->formatCategoryLinks($p_result->getCategories());
-               if(isset($prop['links']))
-                       $result_array['links'] = $this->formatLinks($p_result->getLinks());
-               if(isset($prop['templates']))
-                       $result_array['templates'] = $this->formatLinks($p_result->getTemplates());
-               if(isset($prop['images']))
-                       $result_array['images'] = array_keys($p_result->getImages());
-               if(isset($prop['externallinks']))
-                       $result_array['externallinks'] = array_keys($p_result->getExternalLinks());
-               if(isset($prop['sections']))
+                       $result->setContent( $result_array['text'], $p_result->getText() );
+               }
+
+               if ( !is_null( $params['summary'] ) ) {
+                       $result_array['parsedsummary'] = array();
+                       $result->setContent( $result_array['parsedsummary'], $wgUser->getSkin()->formatComment( $params['summary'], $titleObj ) );
+               }
+
+               if ( isset( $prop['langlinks'] ) ) {
+                       $result_array['langlinks'] = $this->formatLangLinks( $p_result->getLanguageLinks() );
+               }
+               if ( isset( $prop['categories'] ) ) {
+                       $result_array['categories'] = $this->formatCategoryLinks( $p_result->getCategories() );
+               }
+               if ( isset( $prop['links'] ) ) {
+                       $result_array['links'] = $this->formatLinks( $p_result->getLinks() );
+               }
+               if ( isset( $prop['templates'] ) ) {
+                       $result_array['templates'] = $this->formatLinks( $p_result->getTemplates() );
+               }
+               if ( isset( $prop['images'] ) ) {
+                       $result_array['images'] = array_keys( $p_result->getImages() );
+               }
+               if ( isset( $prop['externallinks'] ) ) {
+                       $result_array['externallinks'] = array_keys( $p_result->getExternalLinks() );
+               }
+               if ( isset( $prop['sections'] ) ) {
                        $result_array['sections'] = $p_result->getSections();
-               if(!is_null($oldid))
-                       $result_array['revid'] = $oldid;
+               }
+               if ( isset( $prop['displaytitle'] ) ) {
+                       $result_array['displaytitle'] = $p_result->getDisplayTitle() ?
+                                                       $p_result->getDisplayTitle() :
+                                                       $titleObj->getPrefixedText();
+               }
+
+               if ( isset( $prop['headitems'] ) ) {
+                       $result_array['headitems'] = $this->formatHeadItems( $p_result->getHeadItems() );
+               }
+
+               if ( isset( $prop['headhtml'] ) ) {
+                       $out = new OutputPage;
+                       $out->addParserOutputNoText( $p_result );
+                       $result_array['headhtml'] = array();
+                       $result->setContent( $result_array['headhtml'], $out->headElement( $wgUser->getSkin() ) );
+               }
+
+               if ( !is_null( $oldid ) ) {
+                       $result_array['revid'] = intval( $oldid );
+               }
 
                $result_mapping = array(
+                       'redirects' => 'r',
                        'langlinks' => 'll',
                        'categories' => 'cl',
                        'links' => 'pl',
@@ -127,16 +241,30 @@ class ApiParse extends ApiBase {
                        'images' => 'img',
                        'externallinks' => 'el',
                        'sections' => 's',
+                       'headitems' => 'hi'
                );
                $this->setIndexedTagNames( $result_array, $result_mapping );
                $result->addValue( null, $this->getModuleName(), $result_array );
+
+               if ( !is_null( $oldLang ) ) {
+                       $wgLang = $oldLang; // Reset $wgLang to $oldLang
+               }
+       }
+
+       private function getSectionText( $text, $what ) {
+               global $wgParser;
+               $text = $wgParser->getSection( $text, $this->section, false );
+               if ( $text === false ) {
+                       $this->dieUsage( "There is no section {$this->section} in " . $what, 'nosuchsection' );
+               }
+               return $text;
        }
 
        private function formatLangLinks( $links ) {
                $result = array();
-               foreach( $links as $link ) {
+               foreach ( $links as $link ) {
                        $entry = array();
-                       $bits = split( ':', $link, 2 );
+                       $bits = explode( ':', $link, 2 );
                        $entry['lang'] = $bits[0];
                        $this->getResult()->setContent( $entry, $bits[1] );
                        $result[] = $entry;
@@ -146,7 +274,7 @@ class ApiParse extends ApiBase {
 
        private function formatCategoryLinks( $links ) {
                $result = array();
-               foreach( $links as $link => $sortkey ) {
+               foreach ( $links as $link => $sortkey ) {
                        $entry = array();
                        $entry['sortkey'] = $sortkey;
                        $this->getResult()->setContent( $entry, $link );
@@ -157,38 +285,54 @@ class ApiParse extends ApiBase {
 
        private function formatLinks( $links ) {
                $result = array();
-               foreach( $links as $ns => $nslinks ) {
-                       foreach( $nslinks as $title => $id ) {
+               foreach ( $links as $ns => $nslinks ) {
+                       foreach ( $nslinks as $title => $id ) {
                                $entry = array();
                                $entry['ns'] = $ns;
                                $this->getResult()->setContent( $entry, Title::makeTitle( $ns, $title )->getFullText() );
-                               if( $id != 0 )
+                               if ( $id != 0 ) {
                                        $entry['exists'] = '';
+                               }
                                $result[] = $entry;
                        }
                }
                return $result;
        }
 
+       private function formatHeadItems( $headItems ) {
+               $result = array();
+               foreach ( $headItems as $tag => $content ) {
+                       $entry = array();
+                       $entry['tag'] = $tag;
+                       $this->getResult()->setContent( $entry, $content );
+                       $result[] = $entry;
+               }
+               return $result;
+       }
+
        private function setIndexedTagNames( &$array, $mapping ) {
-               foreach( $mapping as $key => $name ) {
-                       if( isset( $array[$key] ) )
+               foreach ( $mapping as $key => $name ) {
+                       if ( isset( $array[$key] ) ) {
                                $this->getResult()->setIndexedTagName( $array[$key], $name );
+                       }
                }
        }
 
        public function getAllowedParams() {
-               return array (
+               return array(
                        'title' => array(
-                               ApiBase :: PARAM_DFLT => 'API',
+                               ApiBase::PARAM_DFLT => 'API',
                        ),
                        'text' => null,
+                       'summary' => null,
                        'page' => null,
+                       'pageid' => null,
+                       'redirects' => false,
                        'oldid' => null,
                        'prop' => array(
-                               ApiBase :: PARAM_DFLT => 'text|langlinks|categories|links|templates|images|externallinks|sections|revid',
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => array(
+                               ApiBase::PARAM_DFLT => 'text|langlinks|categories|links|templates|images|externallinks|sections|revid|displaytitle',
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => array(
                                        'text',
                                        'langlinks',
                                        'categories',
@@ -197,21 +341,40 @@ class ApiParse extends ApiBase {
                                        'images',
                                        'externallinks',
                                        'sections',
-                                       'revid'
+                                       'revid',
+                                       'displaytitle',
+                                       'headitems',
+                                       'headhtml'
                                )
-                       )
+                       ),
+                       'pst' => false,
+                       'onlypst' => false,
+                       'uselang' => null,
+                       'section' => null,
                );
        }
 
        public function getParamDescription() {
-               return array (
+               $p = $this->getModulePrefix();
+               return array(
                        'text' => 'Wikitext to parse',
+                       'summary' => 'Summary to parse',
+                       'redirects' => "If the {$p}page parameter is set to a redirect, resolve it",
                        'title' => 'Title of page the text belongs to',
-                       'page' => 'Parse the content of this page. Cannot be used together with text and title',
-                       'oldid' => 'Parse the content of this revision. Overrides page',
-                       'prop' => array('Which pieces of information to get.',
+                       'page' => "Parse the content of this page. Cannot be used together with {$p}text and {$p}title",
+                       'pageid' => "Parse the content of this page. Overrides {$p}page",
+                       'oldid' => "Parse the content of this revision. Overrides {$p}page and {$p}pageid",
+                       'prop' => array( 'Which pieces of information to get',
                                        'NOTE: Section tree is only generated if there are more than 4 sections, or if the __TOC__ keyword is present'
                        ),
+                       'pst' => array( 'Do a pre-save transform on the input before parsing it',
+                                       'Ignored if page, pageid or oldid is used'
+                       ),
+                       'onlypst' => array( 'Do a pre-save transform (PST) on the input, but don\'t parse it',
+                                       'Returns the same wikitext, after a PST has been applied. Ignored if page, pageid or oldid is used'
+                       ),
+                       'uselang' => 'Which language to parse the request in',
+                       'section' => 'Only retrieve the content of this section number',
                );
        }
 
@@ -219,8 +382,19 @@ class ApiParse extends ApiBase {
                return 'This module parses wikitext and returns parser output';
        }
 
+       public function getPossibleErrors() {
+               return array_merge( parent::getPossibleErrors(), array(
+                       array( 'code' => 'params', 'info' => 'The page parameter cannot be used together with the text and title parameters' ),
+                       array( 'code' => 'missingrev', 'info' => 'There is no revision ID oldid' ),
+                       array( 'code' => 'permissiondenied', 'info' => 'You don\'t have permission to view deleted revisions' ),
+                       array( 'code' => 'missingtitle', 'info' => 'The page you specified doesn\'t exist' ),
+                       array( 'code' => 'nosuchsection', 'info' => 'There is no section sectionnumber in page'),
+                       array( 'nosuchpageid' ),
+               ) );
+       }
+
        protected function getExamples() {
-               return array (
+               return array(
                        'api.php?action=parse&text={{Project:Sandbox}}'
                );
        }
@@ -228,4 +402,4 @@ class ApiParse extends ApiBase {
        public function getVersion() {
                return __CLASS__ . ': $Id$';
        }
-}
+}
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