<?php
-
-/*
- * Created on Jul 2, 2007
- *
+/**
* API for MediaWiki 1.8+
*
- * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
+ * Created on Jul 2, 2007
+ *
+ * Copyright © 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
*
* 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
*
* 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
- require_once ('ApiQueryBase.php');
+ require_once( 'ApiQueryBase.php' );
}
/**
- * Query module to enumerate all available pages.
- *
- * @addtogroup API
+ * Query module to enumerate all deleted revisions.
+ *
+ * @ingroup API
*/
class ApiQueryDeletedrevs extends ApiQueryBase {
- public function __construct($query, $moduleName) {
- parent :: __construct($query, $moduleName, 'dr');
+ public function __construct( $query, $moduleName ) {
+ parent::__construct( $query, $moduleName, 'dr' );
}
public function execute() {
-
global $wgUser;
// Before doing anything at all, let's check permissions
- if(!$wgUser->isAllowed('deletedhistory'))
- $this->dieUsage('You don\'t have permission to view deleted revision information', 'permissiondenied');
+ if ( !$wgUser->isAllowed( 'deletedhistory' ) ) {
+ $this->dieUsage( 'You don\'t have permission to view deleted revision information', 'permissiondenied' );
+ }
$db = $this->getDB();
- $params = $this->extractRequestParams();
- $prop = array_flip($params['prop']);
- $fld_revid = isset($prop['revid']);
- $fld_user = isset($prop['user']);
- $fld_comment = isset($prop['comment']);
- $fld_minor = isset($prop['minor']);
- $fld_len = isset($prop['len']);
- $fld_content = isset($prop['content']);
- $fld_token = isset($prop['token']);
+ $params = $this->extractRequestParams( false );
+ $prop = array_flip( $params['prop'] );
+ $fld_revid = isset( $prop['revid'] );
+ $fld_user = isset( $prop['user'] );
+ $fld_userid = isset( $prop['userid'] );
+ $fld_comment = isset( $prop['comment'] );
+ $fld_parsedcomment = isset ( $prop['parsedcomment'] );
+ $fld_minor = isset( $prop['minor'] );
+ $fld_len = isset( $prop['len'] );
+ $fld_content = isset( $prop['content'] );
+ $fld_token = isset( $prop['token'] );
$result = $this->getResult();
$pageSet = $this->getPageSet();
$titles = $pageSet->getTitles();
- $data = array();
-
- $this->addTables('archive');
- $this->addFields(array('ar_title', 'ar_namespace', 'ar_timestamp'));
- if($fld_revid)
- $this->addFields('ar_rev_id');
- if($fld_user)
- $this->addFields('ar_user_text');
- if($fld_comment)
- $this->addFields('ar_comment');
- if($fld_minor)
- $this->addFields('ar_minor_edit');
- if($fld_len)
- $this->addFields('ar_len');
- if($fld_content)
- {
- $this->addTables('text');
- $this->addFields(array('ar_text', 'ar_text_id', 'old_text', 'old_flags'));
- $this->addWhere('ar_text_id = old_id');
-
- // This also means stricter limits and stricter restrictions
- if(!$wgUser->isAllowed('undelete'))
- $this->dieUsage('You don\'t have permission to view deleted revision content', 'permissiondenied');
- $userMax = ApiBase :: LIMIT_SML1;
- $botMax = ApiBase :: LIMIT_SML2;
- $this->validateLimit('limit', $params['limit'], 1, $userMax, $botMax);
- }
- if($fld_token)
+
+ // This module operates in three modes:
+ // 'revs': List deleted revs for certain titles
+ // 'user': List deleted revs by a certain user
+ // 'all': List all deleted revs
+ $mode = 'all';
+ if ( count( $titles ) > 0 ) {
+ $mode = 'revs';
+ } elseif ( !is_null( $params['user'] ) ) {
+ $mode = 'user';
+ }
+
+ if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) ) {
+ $this->dieUsage( 'user and excludeuser cannot be used together', 'badparams' );
+ }
+
+ $this->addTables( 'archive' );
+ $this->addWhere( 'ar_deleted = 0' );
+ $this->addFields( array( 'ar_title', 'ar_namespace', 'ar_timestamp' ) );
+ if ( $fld_revid ) {
+ $this->addFields( 'ar_rev_id' );
+ }
+ if ( $fld_user ) {
+ $this->addFields( 'ar_user_text' );
+ }
+ if ( $fld_userid ) {
+ $this->addFields( 'ar_user' );
+ }
+ if ( $fld_comment || $fld_parsedcomment ) {
+ $this->addFields( 'ar_comment' );
+ }
+ if ( $fld_minor ) {
+ $this->addFields( 'ar_minor_edit' );
+ }
+ if ( $fld_len ) {
+ $this->addFields( 'ar_len' );
+ }
+ if ( $fld_content ) {
+ $this->addTables( 'text' );
+ $this->addFields( array( 'ar_text', 'ar_text_id', 'old_text', 'old_flags' ) );
+ $this->addWhere( 'ar_text_id = old_id' );
+
+ // This also means stricter restrictions
+ if ( !$wgUser->isAllowed( 'undelete' ) ) {
+ $this->dieUsage( 'You don\'t have permission to view deleted revision content', 'permissiondenied' );
+ }
+ }
+ // Check limits
+ $userMax = $fld_content ? ApiBase::LIMIT_SML1 : ApiBase::LIMIT_BIG1;
+ $botMax = $fld_content ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_BIG2;
+
+ $limit = $params['limit'];
+
+ if ( $limit == 'max' ) {
+ $limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
+ $this->getResult()->setParsedLimit( $this->getModuleName(), $limit );
+ }
+
+ $this->validateLimit( 'limit', $limit, 1, $userMax, $botMax );
+
+ if ( $fld_token ) {
// Undelete tokens are identical for all pages, so we cache one here
$token = $wgUser->editToken();
+ }
// We need a custom WHERE clause that matches all titles.
- if(count($titles) > 0)
+ if ( $mode == 'revs' ) {
+ $lb = new LinkBatch( $titles );
+ $where = $lb->constructSet( 'ar', $db );
+ $this->addWhere( $where );
+ } elseif ( $mode == 'all' ) {
+ $this->addWhereFld( 'ar_namespace', $params['namespace'] );
+ if ( !is_null( $params['from'] ) ) {
+ $from = $this->getDB()->strencode( $this->titleToKey( $params['from'] ) );
+ $this->addWhere( "ar_title >= '$from'" );
+ }
+ }
+
+ if ( !is_null( $params['user'] ) ) {
+ $this->addWhereFld( 'ar_user_text', $params['user'] );
+ } elseif ( !is_null( $params['excludeuser'] ) ) {
+ $this->addWhere( 'ar_user_text != ' .
+ $this->getDB()->addQuotes( $params['excludeuser'] ) );
+ }
+
+ if ( !is_null( $params['continue'] ) && ( $mode == 'all' || $mode == 'revs' ) )
{
- $lb = new LinkBatch($titles);
- $where = $lb->constructSet('ar', $db);
- $this->addWhere($where);
+ $cont = explode( '|', $params['continue'] );
+ if ( count( $cont ) != 3 ) {
+ $this->dieUsage( 'Invalid continue param. You should pass the original value returned by the previous query', 'badcontinue' );
+ }
+ $ns = intval( $cont[0] );
+ $title = $this->getDB()->strencode( $this->titleToKey( $cont[1] ) );
+ $ts = $this->getDB()->strencode( $cont[2] );
+ $op = ( $params['dir'] == 'newer' ? '>' : '<' );
+ $this->addWhere( "ar_namespace $op $ns OR " .
+ "(ar_namespace = $ns AND " .
+ "(ar_title $op '$title' OR " .
+ "(ar_title = '$title' AND " .
+ "ar_timestamp $op= '$ts')))" );
}
- $this->addOption('LIMIT', $params['limit'] + 1);
- $this->addWhereRange('ar_timestamp', $params['dir'], $params['start'], $params['end']);
- if(isset($params['namespace']))
- $this->addWhereFld('ar_namespace', $params['namespace']);
- $res = $this->select(__METHOD__);
- $pages = array();
+ $this->addOption( 'LIMIT', $limit + 1 );
+ $this->addOption( 'USE INDEX', array( 'archive' => ( $mode == 'user' ? 'usertext_timestamp' : 'name_title_timestamp' ) ) );
+ if ( $mode == 'all' ) {
+ if ( $params['unique'] ) {
+ $this->addOption( 'GROUP BY', 'ar_title' );
+ $this->addOption( 'ORDER BY', 'ar_title' );
+ } else {
+ $this->addOption( 'ORDER BY', 'ar_title, ar_timestamp' );
+ }
+ } else {
+ if ( $mode == 'revs' ) {
+ // Sort by ns and title in the same order as timestamp for efficiency
+ $this->addWhereRange( 'ar_namespace', $params['dir'], null, null );
+ $this->addWhereRange( 'ar_title', $params['dir'], null, null );
+ }
+ $this->addWhereRange( 'ar_timestamp', $params['dir'], $params['start'], $params['end'] );
+ }
+ $res = $this->select( __METHOD__ );
+ $pageMap = array(); // Maps ns&title to (fake) pageid
$count = 0;
- // First populate the $pages array
- while($row = $db->fetchObject($res))
- {
- if($count++ == $params['limit'])
- {
+ $newPageID = 0;
+ foreach ( $res as $row ) {
+ if ( ++$count > $limit ) {
// We've had enough
- $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ar_timestamp));
+ if ( $mode == 'all' || $mode == 'revs' ) {
+ $this->setContinueEnumParameter( 'continue', intval( $row->ar_namespace ) . '|' .
+ $this->keyToTitle( $row->ar_title ) . '|' . $row->ar_timestamp );
+ } else {
+ $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ar_timestamp ) );
+ }
break;
}
$rev = array();
- $rev['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ar_timestamp);
- if($fld_revid)
- $rev['revid'] = $row->ar_rev_id;
- if($fld_user)
+ $rev['timestamp'] = wfTimestamp( TS_ISO_8601, $row->ar_timestamp );
+ if ( $fld_revid ) {
+ $rev['revid'] = intval( $row->ar_rev_id );
+ }
+ if ( $fld_user ) {
$rev['user'] = $row->ar_user_text;
- if($fld_comment)
+ }
+ if ( $fld_userid ) {
+ $rev['userid'] = $row->ar_user;
+ }
+ if ( $fld_comment ) {
$rev['comment'] = $row->ar_comment;
- if($fld_minor)
- if($row->ar_minor_edit == 1)
- $rev['minor'] = '';
- if($fld_len)
+ }
+
+ $title = Title::makeTitle( $row->ar_namespace, $row->ar_title );
+
+ if ( $fld_parsedcomment ) {
+ $rev['parsedcomment'] = $wgUser->getSkin()->formatComment( $row->ar_comment, $title );
+ }
+ if ( $fld_minor && $row->ar_minor_edit == 1 ) {
+ $rev['minor'] = '';
+ }
+ if ( $fld_len ) {
$rev['len'] = $row->ar_len;
- if($fld_content)
- ApiResult::setContent($rev, Revision::getRevisionText($row));
-
- $t = Title::makeTitle($row->ar_namespace, $row->ar_title);
- if(!isset($pages[$t->getPrefixedText()]))
- {
- $pages[$t->getPrefixedText()] = array(
- 'title' => $t->getPrefixedText(),
- 'ns' => intval($row->ar_namespace),
- 'revisions' => array($rev)
- );
- if($fld_token)
- $pages[$t->getPrefixedText()]['token'] = $token;
- }
- else
- $pages[$t->getPrefixedText()]['revisions'][] = $rev;
- }
- $db->freeResult($res);
-
- // We don't want entire pagenames as keys, so let's make this array indexed
- foreach($pages as $page)
- {
- $result->setIndexedTagName($page['revisions'], 'rev');
- $data[] = $page;
- }
- $result->setIndexedTagName($data, 'page');
- $result->addValue('query', $this->getModuleName(), $data);
+ }
+ if ( $fld_content ) {
+ ApiResult::setContent( $rev, Revision::getRevisionText( $row ) );
+ }
+
+ if ( !isset( $pageMap[$row->ar_namespace][$row->ar_title] ) ) {
+ $pageID = $newPageID++;
+ $pageMap[$row->ar_namespace][$row->ar_title] = $pageID;
+ $a['revisions'] = array( $rev );
+ $result->setIndexedTagName( $a['revisions'], 'rev' );
+ ApiQueryBase::addTitleInfo( $a, $title );
+ if ( $fld_token ) {
+ $a['token'] = $token;
+ }
+ $fit = $result->addValue( array( 'query', $this->getModuleName() ), $pageID, $a );
+ } else {
+ $pageID = $pageMap[$row->ar_namespace][$row->ar_title];
+ $fit = $result->addValue(
+ array( 'query', $this->getModuleName(), $pageID, 'revisions' ),
+ null, $rev );
+ }
+ if ( !$fit ) {
+ if ( $mode == 'all' || $mode == 'revs' ) {
+ $this->setContinueEnumParameter( 'continue', intval( $row->ar_namespace ) . '|' .
+ $this->keyToTitle( $row->ar_title ) . '|' . $row->ar_timestamp );
+ } else {
+ $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ar_timestamp ) );
+ }
+ break;
+ }
}
+ $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'page' );
+ }
- protected function getAllowedParams() {
- return array (
+ public function getAllowedParams() {
+ return array(
'start' => array(
- ApiBase :: PARAM_TYPE => 'timestamp'
+ ApiBase::PARAM_TYPE => 'timestamp'
),
'end' => array(
- ApiBase :: PARAM_TYPE => 'timestamp',
+ ApiBase::PARAM_TYPE => 'timestamp',
),
'dir' => array(
- ApiBase :: PARAM_TYPE => array(
+ ApiBase::PARAM_TYPE => array(
'newer',
'older'
),
- ApiBase :: PARAM_DFLT => 'older'
+ ApiBase::PARAM_DFLT => 'older'
+ ),
+ 'from' => null,
+ 'continue' => null,
+ 'unique' => false,
+ 'user' => array(
+ ApiBase::PARAM_TYPE => 'user'
+ ),
+ 'excludeuser' => array(
+ ApiBase::PARAM_TYPE => 'user'
),
'namespace' => array(
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_TYPE => 'namespace'
+ ApiBase::PARAM_TYPE => 'namespace',
+ ApiBase::PARAM_DFLT => 0,
),
'limit' => array(
- ApiBase :: PARAM_DFLT => 10,
- ApiBase :: PARAM_TYPE => 'limit',
- ApiBase :: PARAM_MIN => 1,
- ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
- ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
+ ApiBase::PARAM_DFLT => 10,
+ ApiBase::PARAM_TYPE => 'limit',
+ ApiBase::PARAM_MIN => 1,
+ ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
+ ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
'prop' => array(
- ApiBase :: PARAM_DFLT => 'user|comment',
- ApiBase :: PARAM_TYPE => array(
+ ApiBase::PARAM_DFLT => 'user|comment',
+ ApiBase::PARAM_TYPE => array(
'revid',
'user',
+ 'userid',
'comment',
+ 'parsedcomment',
'minor',
'len',
'content',
'token'
),
- ApiBase :: PARAM_ISMULTI => true
- )
+ ApiBase::PARAM_ISMULTI => true
+ ),
);
}
- protected function getParamDescription() {
- return array (
- 'start' => 'The timestamp to start enumerating from',
- 'end' => 'The timestamp to stop enumerating at',
- 'dir' => 'The direction in which to enumerate',
- 'namespace' => 'The namespaces to search in',
+ public function getParamDescription() {
+ return array(
+ 'start' => 'The timestamp to start enumerating from (1,2)',
+ 'end' => 'The timestamp to stop enumerating at (1,2)',
+ 'dir' => 'The direction in which to enumerate (1,2)',
'limit' => 'The maximum amount of revisions to list',
- 'prop' => 'Which properties to get'
+ 'prop' => array(
+ 'Which properties to get',
+ ' revid - Adds the revision ID of the deleted revision',
+ ' user - Adds the user who made the revision',
+ ' userid - Adds the user ID whom made the revision',
+ ' comment - Adds the comment of the revision',
+ ' parsedcomment - Adds the parsed comment of the revision',
+ ' minor - Tags if the revision is minor',
+ ' len - Adds the length of the revision',
+ ' content - Adds the content of the revision',
+ ' token - Gives the edit token',
+ ),
+ 'namespace' => 'Only list pages in this namespace (3)',
+ 'user' => 'Only list revisions by this user',
+ 'excludeuser' => 'Don\'t list revisions by this user',
+ 'from' => 'Start listing at this title (3)',
+ 'continue' => 'When more results are available, use this to continue (3)',
+ 'unique' => 'List only one revision for each page (3)',
+ );
+ }
+
+ public function getDescription() {
+ return array(
+ 'List deleted revisions.',
+ 'This module operates in three modes:',
+ '1) List deleted revisions for the given title(s), sorted by timestamp',
+ '2) List deleted contributions for the given user, sorted by timestamp (no titles specified)',
+ '3) List all deleted revisions in the given namespace, sorted by title and timestamp (no titles specified, druser not set)',
+ 'Certain parameters only apply to some modes and are ignored in others.',
+ 'For instance, a parameter marked (1) only applies to mode 1 and is ignored in modes 2 and 3',
);
}
- protected function getDescription() {
- return 'List deleted revisions.';
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'code' => 'permissiondenied', 'info' => 'You don\'t have permission to view deleted revision information' ),
+ array( 'code' => 'badparams', 'info' => 'user and excludeuser cannot be used together' ),
+ array( 'code' => 'permissiondenied', 'info' => 'You don\'t have permission to view deleted revision content' ),
+ array( 'code' => 'badcontinue', 'info' => 'Invalid continue param. You should pass the original value returned by the previous query' ),
+ ) );
}
protected function getExamples() {
- return array (
- 'List the first 50 deleted revisions in the Category and Category talk namespaces',
- ' api.php?action=query&list=deletedrevs&drdir=newer&drlimit=50&drnamespace=14|15',
- 'List the last deleted revisions of Main Page and Talk:Main Page, with content:',
- ' api.php?action=query&list=deletedrevs&titles=Main%20Page|Talk:Main%20Page&drprop=user|comment|content'
+ return array(
+ 'List the last deleted revisions of Main Page and Talk:Main Page, with content (mode 1):',
+ ' api.php?action=query&list=deletedrevs&titles=Main%20Page|Talk:Main%20Page&drprop=user|comment|content',
+ 'List the last 50 deleted contributions by Bob (mode 2):',
+ ' api.php?action=query&list=deletedrevs&druser=Bob&drlimit=50',
+ 'List the first 50 deleted revisions in the main namespace (mode 3):',
+ ' api.php?action=query&list=deletedrevs&drdir=newer&drlimit=50',
+ 'List the first 50 deleted pages in the Talk namespace (mode 3):',
+ ' api.php?action=query&list=deletedrevs&drdir=newer&drlimit=50&drnamespace=1&drunique=',
);
}