*
* API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
+ * Copyright (C) 2006 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
}
/**
- * @addtogroup API
+ * A query module to show basic page information.
+ *
+ * @ingroup API
*/
class ApiQueryInfo extends ApiQueryBase {
public function __construct($query, $moduleName) {
- parent :: __construct($query, $moduleName);
+ parent :: __construct($query, $moduleName, 'in');
}
- public function requestExtraData() {
- $pageSet = $this->getPageSet();
+ public function requestExtraData($pageSet) {
+ $pageSet->requestField('page_restrictions');
$pageSet->requestField('page_is_redirect');
$pageSet->requestField('page_is_new');
$pageSet->requestField('page_counter');
$pageSet->requestField('page_len');
}
+ protected function getTokenFunctions() {
+ // tokenname => function
+ // function prototype is func($pageid, $title)
+ // should return token or false
+
+ // Don't call the hooks twice
+ if(isset($this->tokenFunctions))
+ return $this->tokenFunctions;
+
+ // If we're in JSON callback mode, no tokens can be obtained
+ if(!is_null($this->getMain()->getRequest()->getVal('callback')))
+ return array();
+
+ $this->tokenFunctions = array(
+ 'edit' => array( 'ApiQueryInfo', 'getEditToken' ),
+ 'delete' => array( 'ApiQueryInfo', 'getDeleteToken' ),
+ 'protect' => array( 'ApiQueryInfo', 'getProtectToken' ),
+ 'move' => array( 'ApiQueryInfo', 'getMoveToken' ),
+ 'block' => array( 'ApiQueryInfo', 'getBlockToken' ),
+ 'unblock' => array( 'ApiQueryInfo', 'getUnblockToken' ),
+ 'email' => array( 'ApiQueryInfo', 'getEmailToken' ),
+ );
+ wfRunHooks('APIQueryInfoTokens', array(&$this->tokenFunctions));
+ return $this->tokenFunctions;
+ }
+
+ public static function getEditToken($pageid, $title)
+ {
+ // We could check for $title->userCan('edit') here,
+ // but that's too expensive for this purpose
+ global $wgUser;
+ if(!$wgUser->isAllowed('edit'))
+ return false;
+
+ // The edit token is always the same, let's exploit that
+ static $cachedEditToken = null;
+ if(!is_null($cachedEditToken))
+ return $cachedEditToken;
+
+ $cachedEditToken = $wgUser->editToken();
+ return $cachedEditToken;
+ }
+
+ public static function getDeleteToken($pageid, $title)
+ {
+ global $wgUser;
+ if(!$wgUser->isAllowed('delete'))
+ return false;
+
+ static $cachedDeleteToken = null;
+ if(!is_null($cachedDeleteToken))
+ return $cachedDeleteToken;
+
+ $cachedDeleteToken = $wgUser->editToken();
+ return $cachedDeleteToken;
+ }
+
+ public static function getProtectToken($pageid, $title)
+ {
+ global $wgUser;
+ if(!$wgUser->isAllowed('protect'))
+ return false;
+
+ static $cachedProtectToken = null;
+ if(!is_null($cachedProtectToken))
+ return $cachedProtectToken;
+
+ $cachedProtectToken = $wgUser->editToken();
+ return $cachedProtectToken;
+ }
+
+ public static function getMoveToken($pageid, $title)
+ {
+ global $wgUser;
+ if(!$wgUser->isAllowed('move'))
+ return false;
+
+ static $cachedMoveToken = null;
+ if(!is_null($cachedMoveToken))
+ return $cachedMoveToken;
+
+ $cachedMoveToken = $wgUser->editToken();
+ return $cachedMoveToken;
+ }
+
+ public static function getBlockToken($pageid, $title)
+ {
+ global $wgUser;
+ if(!$wgUser->isAllowed('block'))
+ return false;
+
+ static $cachedBlockToken = null;
+ if(!is_null($cachedBlockToken))
+ return $cachedBlockToken;
+
+ $cachedBlockToken = $wgUser->editToken();
+ return $cachedBlockToken;
+ }
+
+ public static function getUnblockToken($pageid, $title)
+ {
+ // Currently, this is exactly the same as the block token
+ return self::getBlockToken($pageid, $title);
+ }
+
+ public static function getEmailToken($pageid, $title)
+ {
+ global $wgUser;
+ if(!$wgUser->canSendEmail() || $wgUser->isBlockedFromEmailUser())
+ return false;
+
+ static $cachedEmailToken = null;
+ if(!is_null($cachedEmailToken))
+ return $cachedEmailToken;
+
+ $cachedEmailToken = $wgUser->editToken();
+ return $cachedEmailToken;
+ }
+
public function execute() {
+ global $wgUser;
+
+ $params = $this->extractRequestParams();
+ $fld_protection = $fld_talkid = $fld_subjectid = false;
+ if(!is_null($params['prop'])) {
+ $prop = array_flip($params['prop']);
+ $fld_protection = isset($prop['protection']);
+ $fld_talkid = isset($prop['talkid']);
+ $fld_subjectid = isset($prop['subjectid']);
+ }
+
$pageSet = $this->getPageSet();
$titles = $pageSet->getGoodTitles();
+ $missing = $pageSet->getMissingTitles();
$result = $this->getResult();
+ $pageRestrictions = $pageSet->getCustomField('page_restrictions');
$pageIsRedir = $pageSet->getCustomField('page_is_redirect');
$pageIsNew = $pageSet->getCustomField('page_is_new');
$pageCounter = $pageSet->getCustomField('page_counter');
$pageLatest = $pageSet->getCustomField('page_latest');
$pageLength = $pageSet->getCustomField('page_len');
- foreach ( $titles as $pageid => $unused ) {
+ $db = $this->getDB();
+ if ($fld_protection && !empty($titles)) {
+ $this->addTables('page_restrictions');
+ $this->addFields(array('pr_page', 'pr_type', 'pr_level', 'pr_expiry', 'pr_cascade'));
+ $this->addWhereFld('pr_page', array_keys($titles));
+
+ $res = $this->select(__METHOD__);
+ while($row = $db->fetchObject($res)) {
+ $a = array(
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 )
+ );
+ if($row->pr_cascade)
+ $a['cascade'] = '';
+ $protections[$row->pr_page][] = $a;
+ }
+ $db->freeResult($res);
+
+ $imageIds = array();
+ foreach ($titles as $id => $title)
+ if ($title->getNamespace() == NS_IMAGE)
+ $imageIds[] = $id;
+ // To avoid code duplication
+ $cascadeTypes = array(
+ array(
+ 'prefix' => 'tl',
+ 'table' => 'templatelinks',
+ 'ns' => 'tl_namespace',
+ 'title' => 'tl_title',
+ 'ids' => array_diff(array_keys($titles), $imageIds)
+ ),
+ array(
+ 'prefix' => 'il',
+ 'table' => 'imagelinks',
+ 'ns' => NS_IMAGE,
+ 'title' => 'il_to',
+ 'ids' => $imageIds
+ )
+ );
+
+ foreach ($cascadeTypes as $type)
+ {
+ if (count($type['ids']) != 0) {
+ $this->resetQueryParams();
+ $this->addTables(array('page_restrictions', $type['table']));
+ $this->addTables('page', 'page_source');
+ $this->addTables('page', 'page_target');
+ $this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
+ 'page_target.page_id AS page_target_id',
+ 'page_source.page_namespace AS page_source_namespace',
+ 'page_source.page_title AS page_source_title'));
+ $this->addWhere(array("{$type['prefix']}_from = pr_page",
+ 'page_target.page_namespace = '.$type['ns'],
+ 'page_target.page_title = '.$type['title'],
+ 'page_source.page_id = pr_page'
+ ));
+ $this->addWhereFld('pr_cascade', 1);
+ $this->addWhereFld('page_target.page_id', $type['ids']);
+
+ $res = $this->select(__METHOD__);
+ while($row = $db->fetchObject($res)) {
+ $source = Title::makeTitle($row->page_source_namespace, $row->page_source_title);
+ $a = array(
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
+ 'source' => $source->getPrefixedText()
+ );
+ $protections[$row->page_target_id][] = $a;
+ }
+ $db->freeResult($res);
+ }
+ }
+ }
+
+ // We don't need to check for pt stuff if there are no nonexistent titles
+ if($fld_protection && !empty($missing))
+ {
+ $this->resetQueryParams();
+ // Construct a custom WHERE clause that matches all titles in $missing
+ $lb = new LinkBatch($missing);
+ $this->addTables('protected_titles');
+ $this->addFields(array('pt_title', 'pt_namespace', 'pt_create_perm', 'pt_expiry'));
+ $this->addWhere($lb->constructSet('pt', $db));
+ $res = $this->select(__METHOD__);
+ $prottitles = array();
+ while($row = $db->fetchObject($res)) {
+ $prottitles[$row->pt_namespace][$row->pt_title][] = array(
+ 'type' => 'create',
+ 'level' => $row->pt_create_perm,
+ 'expiry' => Block::decodeExpiry($row->pt_expiry, TS_ISO_8601)
+ );
+ }
+ $db->freeResult($res);
+
+ $images = array();
+ $others = array();
+ foreach ($missing as $title)
+ if ($title->getNamespace() == NS_IMAGE)
+ $images[] = $title->getDbKey();
+ else
+ $others[] = $title;
+
+ if (count($others) != 0) {
+ $lb = new LinkBatch($others);
+ $this->resetQueryParams();
+ $this->addTables(array('page_restrictions', 'page', 'templatelinks'));
+ $this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
+ 'page_title', 'page_namespace',
+ 'tl_title', 'tl_namespace'));
+ $this->addWhere($lb->constructSet('tl', $db));
+ $this->addWhere('pr_page = page_id');
+ $this->addWhere('pr_page = tl_from');
+ $this->addWhereFld('pr_cascade', 1);
+
+ $res = $this->select(__METHOD__);
+ while($row = $db->fetchObject($res)) {
+ $source = Title::makeTitle($row->page_namespace, $row->page_title);
+ $a = array(
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
+ 'source' => $source->getPrefixedText()
+ );
+ $prottitles[$row->tl_namespace][$row->tl_title][] = $a;
+ }
+ $db->freeResult($res);
+ }
+
+ if (count($images) != 0) {
+ $this->resetQueryParams();
+ $this->addTables(array('page_restrictions', 'page', 'imagelinks'));
+ $this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
+ 'page_title', 'page_namespace', 'il_to'));
+ $this->addWhere('pr_page = page_id');
+ $this->addWhere('pr_page = il_from');
+ $this->addWhereFld('pr_cascade', 1);
+ $this->addWhereFld('il_to', $images);
+
+ $res = $this->select(__METHOD__);
+ while($row = $db->fetchObject($res)) {
+ $source = Title::makeTitle($row->page_namespace, $row->page_title);
+ $a = array(
+ 'type' => $row->pr_type,
+ 'level' => $row->pr_level,
+ 'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
+ 'source' => $source->getPrefixedText()
+ );
+ $prottitles[NS_IMAGE][$row->il_to][] = $a;
+ }
+ $db->freeResult($res);
+ }
+ }
+
+ // Run the talkid/subjectid query
+ if($fld_talkid || $fld_subjectid)
+ {
+ $talktitles = $subjecttitles =
+ $talkids = $subjectids = array();
+ $everything = array_merge($titles, $missing);
+ foreach($everything as $t)
+ {
+ if(MWNamespace::isTalk($t->getNamespace()))
+ {
+ if($fld_subjectid)
+ $subjecttitles[] = $t->getSubjectPage();
+ }
+ else if($fld_talkid)
+ $talktitles[] = $t->getTalkPage();
+ }
+ if(!empty($talktitles) || !empty($subjecttitles))
+ {
+ // Construct a custom WHERE clause that matches
+ // all titles in $talktitles and $subjecttitles
+ $lb = new LinkBatch(array_merge($talktitles, $subjecttitles));
+ $this->resetQueryParams();
+ $this->addTables('page');
+ $this->addFields(array('page_title', 'page_namespace', 'page_id'));
+ $this->addWhere($lb->constructSet('page', $db));
+ $res = $this->select(__METHOD__);
+ while($row = $db->fetchObject($res))
+ {
+ if(MWNamespace::isTalk($row->page_namespace))
+ $talkids[MWNamespace::getSubject($row->page_namespace)][$row->page_title] = $row->page_id;
+ else
+ $subjectids[MWNamespace::getTalk($row->page_namespace)][$row->page_title] = $row->page_id;
+ }
+ }
+ }
+
+ foreach ( $titles as $pageid => $title ) {
$pageInfo = array (
'touched' => wfTimestamp(TS_ISO_8601, $pageTouched[$pageid]),
'lastrevid' => intval($pageLatest[$pageid]),
- 'counter' => $pageCounter[$pageid],
- 'length' => $pageLength[$pageid],
+ 'counter' => intval($pageCounter[$pageid]),
+ 'length' => intval($pageLength[$pageid]),
);
if ($pageIsRedir[$pageid])
if ($pageIsNew[$pageid])
$pageInfo['new'] = '';
+ if (!is_null($params['token'])) {
+ $tokenFunctions = $this->getTokenFunctions();
+ foreach($params['token'] as $t)
+ {
+ $val = call_user_func($tokenFunctions[$t], $pageid, $title);
+ if($val === false)
+ $this->setWarning("Action '$t' is not allowed for the current user");
+ else
+ $pageInfo[$t . 'token'] = $val;
+ }
+ }
+
+ if($fld_protection) {
+ if (isset($protections[$pageid])) {
+ $pageInfo['protection'] = $protections[$pageid];
+ $result->setIndexedTagName($pageInfo['protection'], 'pr');
+ } else {
+ # Also check old restrictions
+ if( $pageRestrictions[$pageid] ) {
+ foreach( explode( ':', trim( $pageRestrictions[$pageid] ) ) as $restrict ) {
+ $temp = explode( '=', trim( $restrict ) );
+ if(count($temp) == 1) {
+ // old old format should be treated as edit/move restriction
+ $restriction = trim( $temp[0] );
+ $pageInfo['protection'][] = array(
+ 'type' => 'edit',
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ );
+ $pageInfo['protection'][] = array(
+ 'type' => 'move',
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ );
+ } else {
+ $restriction = trim( $temp[1] );
+ $pageInfo['protection'][] = array(
+ 'type' => $temp[0],
+ 'level' => $restriction,
+ 'expiry' => 'infinity',
+ );
+ }
+ }
+ $result->setIndexedTagName($pageInfo['protection'], 'pr');
+ } else {
+ $pageInfo['protection'] = array();
+ }
+ }
+ }
+ if($fld_talkid && isset($talkids[$title->getNamespace()][$title->getDbKey()]))
+ $pageInfo['talkid'] = $talkids[$title->getNamespace()][$title->getDbKey()];
+ if($fld_subjectid && isset($subjectids[$title->getNamespace()][$title->getDbKey()]))
+ $pageInfo['subjectid'] = $subjectids[$title->getNamespace()][$title->getDbKey()];
+
$result->addValue(array (
'query',
'pages'
), $pageid, $pageInfo);
}
+
+ // Get edit/protect tokens and protection data for missing titles if requested
+ // Delete and move tokens are N/A for missing titles anyway
+ if(!is_null($params['token']) || $fld_protection || $fld_talkid || $fld_subjectid)
+ {
+ $res = &$result->getData();
+ foreach($missing as $pageid => $title) {
+ if(!is_null($params['token']))
+ {
+ $tokenFunctions = $this->getTokenFunctions();
+ foreach($params['token'] as $t)
+ {
+ $val = call_user_func($tokenFunctions[$t], $pageid, $title);
+ if($val !== false)
+ $res['query']['pages'][$pageid][$t . 'token'] = $val;
+ }
+ }
+ if($fld_protection)
+ {
+ // Apparently the XML formatting code doesn't like array(null)
+ // This is painful to fix, so we'll just work around it
+ if(isset($prottitles[$title->getNamespace()][$title->getDBkey()]))
+ $res['query']['pages'][$pageid]['protection'] = $prottitles[$title->getNamespace()][$title->getDBkey()];
+ else
+ $res['query']['pages'][$pageid]['protection'] = array();
+ $result->setIndexedTagName($res['query']['pages'][$pageid]['protection'], 'pr');
+ }
+ if($fld_talkid && isset($talkids[$title->getNamespace()][$title->getDbKey()]))
+ $res['query']['pages'][$pageid]['talkid'] = $talkids[$title->getNamespace()][$title->getDbKey()];
+ if($fld_subjectid && isset($subjectids[$title->getNamespace()][$title->getDbKey()]))
+ $res['query']['pages'][$pageid]['subjectid'] = $subjectids[$title->getNamespace()][$title->getDbKey()];
+ }
+ }
}
- protected function getDescription() {
+ public function getAllowedParams() {
+ return array (
+ 'prop' => array (
+ ApiBase :: PARAM_DFLT => NULL,
+ ApiBase :: PARAM_ISMULTI => true,
+ ApiBase :: PARAM_TYPE => array (
+ 'protection',
+ 'talkid',
+ 'subjectid'
+ )),
+ 'token' => array (
+ ApiBase :: PARAM_DFLT => NULL,
+ ApiBase :: PARAM_ISMULTI => true,
+ ApiBase :: PARAM_TYPE => array_keys($this->getTokenFunctions())
+ )
+ );
+ }
+
+ public function getParamDescription() {
+ return array (
+ 'prop' => array (
+ 'Which additional properties to get:',
+ ' "protection" - List the protection level of each page',
+ ' "talkid" - The page ID of the talk page for each non-talk page',
+ ' "subjectid" - The page ID of the parent page for each talk page'
+ ),
+ 'token' => 'Request a token to perform a data-modifying action on a page',
+ );
+ }
+
+
+ public function getDescription() {
return 'Get basic page information such as namespace, title, last touched date, ...';
}
protected function getExamples() {
return array (
- 'api.php?action=query&prop=info&titles=Main%20Page'
+ 'api.php?action=query&prop=info&titles=Main%20Page',
+ 'api.php?action=query&prop=info&inprop=protection&titles=Main%20Page'
);
}
return __CLASS__ . ': $Id$';
}
}
-?>