Merge "(bug 19195) Make user IDs more readily available with the API"
[lhc/web/wiklou.git] / includes / api / ApiQueryUsers.php
index 7f4c60c..a07ee7f 100644 (file)
@@ -1,11 +1,10 @@
 <?php
-
-/*
- * Created on July 30, 2007
+/**
  *
- * API for MediaWiki 1.8+
  *
- * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
+ * Created on July 30, 2007
+ *
+ * Copyright © 2007 Roan Kattouw <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
  *
  * 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')) {
-       // Eclipse helper - will be ignored in production
-       require_once ('ApiQueryBase.php');
-}
-
 /**
  * Query module to get information about a list of users
  *
  * @ingroup API
  */
+class ApiQueryUsers extends ApiQueryBase {
+
+       private $tokenFunctions, $prop;
+
+       public function __construct( $query, $moduleName ) {
+               parent::__construct( $query, $moduleName, 'us' );
+       }
+
+       /**
+        * Get an array mapping token names to their handler functions.
+        * The prototype for a token function is func($user)
+        * it should return a token or false (permission denied)
+        * @return Array tokenname => function
+        */
+       protected function getTokenFunctions() {
+               // 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();
+               }
 
- class ApiQueryUsers extends ApiQueryBase {
+               $this->tokenFunctions = array(
+                       'userrights' => array( 'ApiQueryUsers', 'getUserrightsToken' ),
+               );
+               wfRunHooks( 'APIQueryUsersTokens', array( &$this->tokenFunctions ) );
+               return $this->tokenFunctions;
+       }
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'us');
+       /**
+        * @param $user User
+        * @return String
+        */
+       public static function getUserrightsToken( $user ) {
+               global $wgUser;
+               // Since the permissions check for userrights is non-trivial,
+               // don't bother with it here
+               return $wgUser->getEditToken( $user->getName() );
        }
 
        public function execute() {
                $params = $this->extractRequestParams();
-               $result = $this->getResult();
-               $r = array();
 
-               if (!is_null($params['prop'])) {
-                       $this->prop = array_flip($params['prop']);
+               if ( !is_null( $params['prop'] ) ) {
+                       $this->prop = array_flip( $params['prop'] );
                } else {
                        $this->prop = array();
                }
 
-               if(is_array($params['users'])) {
-                       $r = $this->getOtherUsersInfo($params['users']);
-                       $result->setIndexedTagName($r, 'user');
-               }
-               $result->addValue("query", $this->getModuleName(), $r);
-       }
-
-       protected function getOtherUsersInfo($users) {
-               $goodNames = $retval = array();
+               $users = (array)$params['users'];
+               $goodNames = $done = array();
+               $result = $this->getResult();
                // Canonicalize user names
-               foreach($users as $u) {
-                       $n = User::getCanonicalName($u);
-                       if($n === false || $n === '')
-                               $retval[] = array('name' => $u, 'invalid' => '');
-                        else
+               foreach ( $users as $u ) {
+                       $n = User::getCanonicalName( $u );
+                       if ( $n === false || $n === '' ) {
+                               $vals = array( 'name' => $u, 'invalid' => '' );
+                               $fit = $result->addValue( array( 'query', $this->getModuleName() ),
+                                               null, $vals );
+                               if ( !$fit ) {
+                                       $this->setContinueEnumParameter( 'users',
+                                                       implode( '|', array_diff( $users, $done ) ) );
+                                       $goodNames = array();
+                                       break;
+                               }
+                               $done[] = $u;
+                       } else {
                                $goodNames[] = $n;
+                       }
                }
-               if(!count($goodNames))
-                       return $retval;
-
-               $db = $this->getDB();
-               $this->addTables('user', 'u1');
-               $this->addFields('u1.*');
-               $this->addWhereFld('u1.user_name', $goodNames);
-
-               if(isset($this->prop['groups'])) {
-                       $this->addTables('user_groups');
-                       $this->addJoinConds(array('user_groups' => array('LEFT JOIN', 'ug_user=u1.user_id')));
-                       $this->addFields('ug_group');
-               }
-               if(isset($this->prop['blockinfo'])) {
-                       $this->addTables('ipblocks');
-                       $this->addTables('user', 'u2');
-                       $u2 = $this->getAliasedName('user', 'u2');
-                       $this->addJoinConds(array(
-                               'ipblocks' => array('LEFT JOIN', 'ipb_user=u1.user_id'),
-                               $u2 => array('LEFT JOIN', 'ipb_by=u2.user_id')));
-                       $this->addFields(array('ipb_reason', 'u2.user_name blocker_name'));
-               }
 
-               $data = array();
-               $res = $this->select(__METHOD__);
-               while(($r = $db->fetchObject($res))) {
-                       $user = User::newFromRow($r);
-                       $name = $user->getName();
-                       $data[$name]['name'] = $name;
-                       if(isset($this->prop['editcount']))
-                               // No proper member function in User class for this
-                               $data[$name]['editcount'] = $r->user_editcount;
-                       if(isset($this->prop['registration']))
-                               // Nor for this one
-                               $data[$name]['registration'] = wfTimestampOrNull(TS_ISO_8601, $r->user_registration);
-                       if(isset($this->prop['groups']))
-                               // This row contains only one group, others will be added from other rows
-                               if(!is_null($r->ug_group))
-                                       $data[$name]['groups'][] = $r->ug_group;
-                       if(isset($this->prop['blockinfo']))
-                               if(!is_null($r->blocker_name)) {
-                                       $data[$name]['blockedby'] = $r->blocker_name;
-                                       $data[$name]['blockreason'] = $r->ipb_reason;
+               $result = $this->getResult();
+
+               if ( count( $goodNames ) ) {
+                       $this->addTables( 'user' );
+                       $this->addFields( '*' );
+                       $this->addWhereFld( 'user_name', $goodNames );
+
+                       if ( isset( $this->prop['groups'] ) || isset( $this->prop['rights'] ) ) {
+                               $this->addTables( 'user_groups' );
+                               $this->addJoinConds( array( 'user_groups' => array( 'LEFT JOIN', 'ug_user=user_id' ) ) );
+                               $this->addFields( 'ug_group' );
+                       }
+
+                       $this->showHiddenUsersAddBlockInfo( isset( $this->prop['blockinfo'] ) );
+
+                       $data = array();
+                       $res = $this->select( __METHOD__ );
+
+                       foreach ( $res as $row ) {
+                               $user = User::newFromRow( $row );
+                               $name = $user->getName();
+
+                               $data[$name]['userid'] = $user->getId();
+                               $data[$name]['name'] = $name;
+
+                               if ( isset( $this->prop['editcount'] ) ) {
+                                       $data[$name]['editcount'] = intval( $user->getEditCount() );
                                }
-                       if(isset($this->prop['canemail']) && $user->canReceiveEmail())
-                               $data[$name]['canemail'] = '';
+
+                               if ( isset( $this->prop['registration'] ) ) {
+                                       $data[$name]['registration'] = wfTimestampOrNull( TS_ISO_8601, $user->getRegistration() );
+                               }
+
+                               if ( isset( $this->prop['groups'] ) ) {
+                                       if ( !isset( $data[$name]['groups'] ) ) {
+                                               $data[$name]['groups'] = self::getAutoGroups( $user );
+                                       }
+
+                                       if ( !is_null( $row->ug_group ) ) {
+                                               // This row contains only one group, others will be added from other rows
+                                               $data[$name]['groups'][] = $row->ug_group;
+                                       }
+                               }
+
+                               if ( isset( $this->prop['implicitgroups'] ) && !isset( $data[$name]['implicitgroups'] ) ) {
+                                       $data[$name]['implicitgroups'] =  self::getAutoGroups( $user );
+                               }
+
+                               if ( isset( $this->prop['rights'] ) ) {
+                                       if ( !isset( $data[$name]['rights'] ) ) {
+                                               $data[$name]['rights'] = User::getGroupPermissions( $user->getAutomaticGroups() );
+                                       }
+
+                                       if ( !is_null( $row->ug_group ) ) {
+                                               $data[$name]['rights'] = array_unique( array_merge( $data[$name]['rights'],
+                                                       User::getGroupPermissions( array( $row->ug_group ) ) ) );
+                                       }
+                               }
+                               if ( $row->ipb_deleted ) {
+                                       $data[$name]['hidden'] = '';
+                               }
+                               if ( isset( $this->prop['blockinfo'] ) && !is_null( $row->ipb_by_text ) ) {
+                                       $data[$name]['blockid'] = $row->ipb_id;
+                                       $data[$name]['blockedby'] = $row->ipb_by_text;
+                                       $data[$name]['blockedbyid'] = $row->ipb_by;
+                                       $data[$name]['blockreason'] = $row->ipb_reason;
+                                       $data[$name]['blockexpiry'] = $row->ipb_expiry;
+                               }
+
+                               if ( isset( $this->prop['emailable'] ) && $user->canReceiveEmail() ) {
+                                       $data[$name]['emailable'] = '';
+                               }
+
+                               if ( isset( $this->prop['gender'] ) ) {
+                                       $gender = $user->getOption( 'gender' );
+                                       if ( strval( $gender ) === '' ) {
+                                               $gender = 'unknown';
+                                       }
+                                       $data[$name]['gender'] = $gender;
+                               }
+
+                               if ( !is_null( $params['token'] ) ) {
+                                       $tokenFunctions = $this->getTokenFunctions();
+                                       foreach ( $params['token'] as $t ) {
+                                               $val = call_user_func( $tokenFunctions[$t], $user );
+                                               if ( $val === false ) {
+                                                       $this->setWarning( "Action '$t' is not allowed for the current user" );
+                                               } else {
+                                                       $data[$name][$t . 'token'] = $val;
+                                               }
+                                       }
+                               }
+                       }
                }
 
                // Second pass: add result data to $retval
-               foreach($goodNames as $u) {
-                       if(!isset($data[$u]))
-                               $retval[] = array('name' => $u, 'missing' => '');
-                       else {
-                               if(isset($this->prop['groups']) && isset($data[$u]['groups']))
-                                       $this->getResult()->setIndexedTagName($data[$u]['groups'], 'g');
-                               $retval[] = $data[$u];
+               foreach ( $goodNames as $u ) {
+                       if ( !isset( $data[$u] ) ) {
+                               $data[$u] = array( 'name' => $u );
+                               $urPage = new UserrightsPage;
+                               $iwUser = $urPage->fetchUser( $u );
+
+                               if ( $iwUser instanceof UserRightsProxy ) {
+                                       $data[$u]['interwiki'] = '';
+
+                                       if ( !is_null( $params['token'] ) ) {
+                                               $tokenFunctions = $this->getTokenFunctions();
+
+                                               foreach ( $params['token'] as $t ) {
+                                                       $val = call_user_func( $tokenFunctions[$t], $iwUser );
+                                                       if ( $val === false ) {
+                                                               $this->setWarning( "Action '$t' is not allowed for the current user" );
+                                                       } else {
+                                                               $data[$u][$t . 'token'] = $val;
+                                                       }
+                                               }
+                                       }
+                               } else {
+                                       $data[$u]['missing'] = '';
+                               }
+                       } else {
+                               if ( isset( $this->prop['groups'] ) && isset( $data[$u]['groups'] ) ) {
+                                       $result->setIndexedTagName( $data[$u]['groups'], 'g' );
+                               }
+                               if ( isset( $this->prop['implicitgroups'] ) && isset( $data[$u]['implicitgroups'] ) ) {
+                                       $result->setIndexedTagName( $data[$u]['implicitgroups'], 'g' );
+                               }
+                               if ( isset( $this->prop['rights'] ) && isset( $data[$u]['rights'] ) ) {
+                                       $result->setIndexedTagName( $data[$u]['rights'], 'r' );
+                               }
+                       }
+
+                       $fit = $result->addValue( array( 'query', $this->getModuleName() ),
+                                       null, $data[$u] );
+                       if ( !$fit ) {
+                               $this->setContinueEnumParameter( 'users',
+                                               implode( '|', array_diff( $users, $done ) ) );
+                               break;
                        }
+                       $done[] = $u;
+               }
+               return $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'user' );
+       }
+
+       /**
+       * Gets all the groups that a user is automatically a member of (implicit groups)
+       * @param $user User
+       * @return array
+       */
+       public static function getAutoGroups( $user ) {
+               $groups = array();
+               $groups[] = '*';
+
+               if ( !$user->isAnon() ) {
+                       $groups[] = 'user';
+               }
+
+               return array_merge( $groups, Autopromote::getAutopromoteGroups( $user ) );
+       }
+
+       public function getCacheMode( $params ) {
+               if ( isset( $params['token'] ) ) {
+                       return 'private';
+               } else {
+                       return 'anon-public-user-private';
                }
-               return $retval;
        }
 
        public function getAllowedParams() {
-               return array (
-                       'prop' => array (
-                               ApiBase :: PARAM_DFLT => NULL,
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => array (
+               return array(
+                       'prop' => array(
+                               ApiBase::PARAM_DFLT => null,
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => array(
                                        'blockinfo',
                                        'groups',
+                                       'implicitgroups',
+                                       'rights',
                                        'editcount',
                                        'registration',
-                                       'canemail',
+                                       'emailable',
+                                       'gender',
                                )
                        ),
                        'users' => array(
-                               ApiBase :: PARAM_ISMULTI => true
-                       )
+                               ApiBase::PARAM_ISMULTI => true
+                       ),
+                       'token' => array(
+                               ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() ),
+                               ApiBase::PARAM_ISMULTI => true
+                       ),
                );
        }
 
        public function getParamDescription() {
-               return array (
+               return array(
                        'prop' => array(
                                'What pieces of information to include',
-                               '  blockinfo    - tags if the user is blocked, by whom, and for what reason',
-                               '  groups       - lists all the groups the user belongs to',
-                               '  editcount    - adds the user\'s edit count',
-                               '  registration - adds the user\'s registration timestamp',
-                               '  canemail     - tags if the user can and wants to receive e-mail through [[Special:Emailuser]]',
+                               '  blockinfo      - Tags if the user is blocked, by whom, and for what reason',
+                               '  groups         - Lists all the groups the user(s) belongs to',
+                               '  implicitgroups - Lists all the groups a user is automatically a member of',
+                               '  rights         - Lists all the rights the user(s) has',
+                               '  editcount      - Adds the user\'s edit count',
+                               '  registration   - Adds the user\'s registration timestamp',
+                               '  emailable      - Tags if the user can and wants to receive e-mail through [[Special:Emailuser]]',
+                               '  gender         - Tags the gender of the user. Returns "male", "female", or "unknown"',
                        ),
-                       'users' => 'A list of users to obtain the same information for'
+                       'users' => 'A list of users to obtain the same information for',
+                       'token' => 'Which tokens to obtain for each user',
                );
        }
 
@@ -166,8 +319,12 @@ if (!defined('MEDIAWIKI')) {
                return 'Get information about a list of users';
        }
 
-       protected function getExamples() {
-               return 'api.php?action=query&list=users&ususers=brion|TimStarling&usprop=groups|editcount';
+       public function getExamples() {
+               return 'api.php?action=query&list=users&ususers=brion|TimStarling&usprop=groups|editcount|gender';
+       }
+
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/API:Users';
        }
 
        public function getVersion() {