Reverted "FOR UPDATE" in 61f246aa786d824d0653522ed679c16be719da80.
[lhc/web/wiklou.git] / includes / api / ApiQueryBlocks.php
index c41db20..097487e 100644 (file)
@@ -1,11 +1,10 @@
 <?php
-
-/*
- * Created on Sep 10, 2007
+/**
+ *
  *
- * API for MediaWiki 1.8+
+ * Created on Sep 10, 2007
  *
- * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
+ * 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 enumerate all available pages.
+ * Query module to enumerate all user blocks
  *
  * @ingroup API
  */
 class ApiQueryBlocks extends ApiQueryBase {
-       
-       var $users;
+
+       /**
+        * @var Array
+        */
+       protected $usernames;
 
        public function __construct( $query, $moduleName ) {
-               parent :: __construct( $query, $moduleName, 'bk' );
+               parent::__construct( $query, $moduleName, 'bk' );
        }
 
        public function execute() {
-               global $wgUser;
+               global $wgContLang;
 
                $params = $this->extractRequestParams();
-               if ( isset( $params['users'] ) && isset( $params['ip'] ) )
-                       $this->dieUsage( 'bkusers and bkip cannot be used together', 'usersandip' );
+               $this->requireMaxOneParameter( $params, 'users', 'ip' );
 
                $prop = array_flip( $params['prop'] );
                $fld_id = isset( $prop['id'] );
                $fld_user = isset( $prop['user'] );
+               $fld_userid = isset( $prop['userid'] );
                $fld_by = isset( $prop['by'] );
+               $fld_byid = isset( $prop['byid'] );
                $fld_timestamp = isset( $prop['timestamp'] );
                $fld_expiry = isset( $prop['expiry'] );
                $fld_reason = isset( $prop['reason'] );
@@ -59,221 +59,351 @@ class ApiQueryBlocks extends ApiQueryBase {
                $fld_flags = isset( $prop['flags'] );
 
                $result = $this->getResult();
-               $pageSet = $this->getPageSet();
-               $titles = $pageSet->getTitles();
-               $data = array();
 
                $this->addTables( 'ipblocks' );
-               if ( $fld_id )
-                       $this->addFields( 'ipb_id' );
-               if ( $fld_user )
-                       $this->addFields( array( 'ipb_address', 'ipb_user', 'ipb_auto' ) );
-               if ( $fld_by )
-               {
-                       $this->addTables( 'user' );
-                       $this->addFields( array( 'ipb_by', 'user_name' ) );
-                       $this->addWhere( 'user_id = ipb_by' );
-               }
-               if ( $fld_timestamp )
-                       $this->addFields( 'ipb_timestamp' );
-               if ( $fld_expiry )
-                       $this->addFields( 'ipb_expiry' );
-               if ( $fld_reason )
-                       $this->addFields( 'ipb_reason' );
-               if ( $fld_range )
-                       $this->addFields( array( 'ipb_range_start', 'ipb_range_end' ) );
-               if ( $fld_flags )
-                       $this->addFields( array( 'ipb_auto', 'ipb_anon_only', 'ipb_create_account', 'ipb_enable_autoblock', 'ipb_block_email', 'ipb_deleted', 'ipb_allow_usertalk' ) );
+               $this->addFields( 'ipb_auto' );
+
+               $this->addFieldsIf ( 'ipb_id', $fld_id );
+               $this->addFieldsIf( array( 'ipb_address', 'ipb_user' ), $fld_user || $fld_userid );
+               $this->addFieldsIf( 'ipb_by_text', $fld_by );
+               $this->addFieldsIf( 'ipb_by', $fld_byid );
+               $this->addFieldsIf( 'ipb_timestamp', $fld_timestamp );
+               $this->addFieldsIf( 'ipb_expiry', $fld_expiry );
+               $this->addFieldsIf( 'ipb_reason', $fld_reason );
+               $this->addFieldsIf( array( 'ipb_range_start', 'ipb_range_end' ), $fld_range );
+               $this->addFieldsIf( array( 'ipb_anon_only', 'ipb_create_account', 'ipb_enable_autoblock',
+                                                                       'ipb_block_email', 'ipb_deleted', 'ipb_allow_usertalk' ),
+                                                       $fld_flags );
 
                $this->addOption( 'LIMIT', $params['limit'] + 1 );
-               $this->addWhereRange( 'ipb_timestamp', $params['dir'], $params['start'], $params['end'] );
-               if ( isset( $params['ids'] ) )
+               $this->addTimestampWhereRange( 'ipb_timestamp', $params['dir'], $params['start'], $params['end'] );
+
+               $db = $this->getDB();
+
+               if ( isset( $params['ids'] ) ) {
                        $this->addWhereFld( 'ipb_id', $params['ids'] );
-               if ( isset( $params['users'] ) )
-               {
-                       foreach ( (array)$params['users'] as $u )
+               }
+               if ( isset( $params['users'] ) ) {
+                       foreach ( (array)$params['users'] as $u ) {
                                $this->prepareUsername( $u );
+                       }
                        $this->addWhereFld( 'ipb_address', $this->usernames );
+                       $this->addWhereFld( 'ipb_auto', 0 );
                }
-               if ( isset( $params['ip'] ) )
-               {
+               if ( isset( $params['ip'] ) ) {
                        list( $ip, $range ) = IP::parseCIDR( $params['ip'] );
-                       if ( $ip && $range )
-                       {
+                       if ( $ip && $range ) {
                                // We got a CIDR range
                                if ( $range < 16 )
                                        $this->dieUsage( 'CIDR ranges broader than /16 are not accepted', 'cidrtoobroad' );
                                $lower = wfBaseConvert( $ip, 10, 16, 8, false );
                                $upper = wfBaseConvert( $ip + pow( 2, 32 - $range ) - 1, 10, 16, 8, false );
-                       }
-                       else
+                       } else {
                                $lower = $upper = IP::toHex( $params['ip'] );
+                       }
                        $prefix = substr( $lower, 0, 4 );
-                       
-                       $db = $this->getDB();
+
+                       # Fairly hard to make a malicious SQL statement out of hex characters,
+                       # but it is good practice to add quotes
+                       $lower = $db->addQuotes( $lower );
+                       $upper = $db->addQuotes( $upper );
+
                        $this->addWhere( array(
                                'ipb_range_start' . $db->buildLike( $prefix, $db->anyString() ),
-                               "ipb_range_start <= '$lower'",
-                               "ipb_range_end >= '$upper'"
+                               'ipb_range_start <= ' . $lower,
+                               'ipb_range_end >= ' . $upper,
+                               'ipb_auto' => 0
                        ) );
                }
-               if ( !$wgUser->isAllowed( 'hideuser' ) )
+
+               if ( !is_null( $params['show'] ) ) {
+                       $show = array_flip( $params['show'] );
+
+                       /* Check for conflicting parameters. */
+                       if ( ( isset ( $show['account'] ) && isset ( $show['!account'] ) )
+                                       || ( isset ( $show['ip'] ) && isset ( $show['!ip'] ) )
+                                       || ( isset ( $show['range'] ) && isset ( $show['!range'] ) )
+                                       || ( isset ( $show['temp'] ) && isset ( $show['!temp'] ) )
+                       ) {
+                               $this->dieUsageMsg( 'show' );
+                       }
+
+                       $this->addWhereIf( 'ipb_user = 0', isset( $show['!account'] ) );
+                       $this->addWhereIf( 'ipb_user != 0', isset( $show['account'] ) );
+                       $this->addWhereIf( 'ipb_user != 0 OR ipb_range_end > ipb_range_start', isset( $show['!ip'] ) );
+                       $this->addWhereIf( 'ipb_user = 0 AND ipb_range_end = ipb_range_start', isset( $show['ip'] ) );
+                       $this->addWhereIf( 'ipb_expiry =  '.$db->addQuotes($db->getInfinity()), isset( $show['!temp'] ) );
+                       $this->addWhereIf( 'ipb_expiry != '.$db->addQuotes($db->getInfinity()), isset( $show['temp'] ) );
+                       $this->addWhereIf( "ipb_range_end = ipb_range_start", isset( $show['!range'] ) );
+                       $this->addWhereIf( "ipb_range_end > ipb_range_start", isset( $show['range'] ) );
+               }
+
+               if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
                        $this->addWhereFld( 'ipb_deleted', 0 );
+               }
 
                // Purge expired entries on one in every 10 queries
-               if ( !mt_rand( 0, 10 ) )
+               if ( !mt_rand( 0, 10 ) ) {
                        Block::purgeExpired();
+               }
 
                $res = $this->select( __METHOD__ );
 
                $count = 0;
-               while ( $row = $res->fetchObject() )
-               {
-                       if ( ++$count > $params['limit'] )
-                       {
+               foreach ( $res as $row ) {
+                       if ( ++$count > $params['limit'] ) {
                                // We've had enough
                                $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ipb_timestamp ) );
                                break;
                        }
                        $block = array();
-                       if ( $fld_id )
+                       if ( $fld_id ) {
                                $block['id'] = $row->ipb_id;
-                       if ( $fld_user && !$row->ipb_auto )
+                       }
+                       if ( $fld_user && !$row->ipb_auto ) {
                                $block['user'] = $row->ipb_address;
-                       if ( $fld_by )
-                               $block['by'] = $row->user_name;
-                       if ( $fld_timestamp )
+                       }
+                       if ( $fld_userid && !$row->ipb_auto ) {
+                               $block['userid'] = $row->ipb_user;
+                       }
+                       if ( $fld_by ) {
+                               $block['by'] = $row->ipb_by_text;
+                       }
+                       if ( $fld_byid ) {
+                               $block['byid'] = $row->ipb_by;
+                       }
+                       if ( $fld_timestamp ) {
                                $block['timestamp'] = wfTimestamp( TS_ISO_8601, $row->ipb_timestamp );
-                       if ( $fld_expiry )
-                               $block['expiry'] = Block::decodeExpiry( $row->ipb_expiry, TS_ISO_8601 );
-                       if ( $fld_reason )
+                       }
+                       if ( $fld_expiry ) {
+                               $block['expiry'] = $wgContLang->formatExpiry( $row->ipb_expiry, TS_ISO_8601 );
+                       }
+                       if ( $fld_reason ) {
                                $block['reason'] = $row->ipb_reason;
-                       if ( $fld_range )
-                       {
+                       }
+                       if ( $fld_range && !$row->ipb_auto ) {
                                $block['rangestart'] = IP::hexToQuad( $row->ipb_range_start );
                                $block['rangeend'] = IP::hexToQuad( $row->ipb_range_end );
                        }
-                       if ( $fld_flags )
-                       {
+                       if ( $fld_flags ) {
                                // For clarity, these flags use the same names as their action=block counterparts
-                               if ( $row->ipb_auto )
+                               if ( $row->ipb_auto ) {
                                        $block['automatic'] = '';
-                               if ( $row->ipb_anon_only )
+                               }
+                               if ( $row->ipb_anon_only ) {
                                        $block['anononly'] = '';
-                               if ( $row->ipb_create_account )
+                               }
+                               if ( $row->ipb_create_account ) {
                                        $block['nocreate'] = '';
-                               if ( $row->ipb_enable_autoblock )
+                               }
+                               if ( $row->ipb_enable_autoblock ) {
                                        $block['autoblock'] = '';
-                               if ( $row->ipb_block_email )
+                               }
+                               if ( $row->ipb_block_email ) {
                                        $block['noemail'] = '';
-                               if ( $row->ipb_deleted )
+                               }
+                               if ( $row->ipb_deleted ) {
                                        $block['hidden'] = '';
-                               if ( $row->ipb_allow_usertalk )
+                               }
+                               if ( $row->ipb_allow_usertalk ) {
                                        $block['allowusertalk'] = '';
+                               }
                        }
                        $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $block );
-                       if ( !$fit )
-                       {
+                       if ( !$fit ) {
                                $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->ipb_timestamp ) );
                                break;
                        }
                }
                $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'block' );
        }
-       
-       protected function prepareUsername( $user )
-       {
-               if ( !$user )
+
+       protected function prepareUsername( $user ) {
+               if ( !$user ) {
                        $this->dieUsage( 'User parameter may not be empty', 'param_user' );
+               }
                $name = User::isIP( $user )
                        ? $user
                        : User::getCanonicalName( $user, 'valid' );
-               if ( $name === false )
+               if ( $name === false ) {
                        $this->dieUsage( "User name {$user} is not valid", 'param_user' );
+               }
                $this->usernames[] = $name;
        }
 
        public function getAllowedParams() {
-               return array (
+               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'
                        ),
                        'ids' => array(
-                               ApiBase :: PARAM_TYPE => 'integer',
-                               ApiBase :: PARAM_ISMULTI => true
+                               ApiBase::PARAM_TYPE => 'integer',
+                               ApiBase::PARAM_ISMULTI => true
                        ),
                        'users' => array(
-                               ApiBase :: PARAM_ISMULTI => true
+                               ApiBase::PARAM_ISMULTI => true
                        ),
                        'ip' => null,
                        '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 => 'id|user|by|timestamp|expiry|reason|flags',
-                               ApiBase :: PARAM_TYPE => array(
-                                               'id',
-                                               'user',
-                                               'by',
-                                               'timestamp',
-                                               'expiry',
-                                               'reason',
-                                               'range',
-                                               'flags'
-                                       ),
-                               ApiBase :: PARAM_ISMULTI => true
-                       )
+                               ApiBase::PARAM_DFLT => 'id|user|by|timestamp|expiry|reason|flags',
+                               ApiBase::PARAM_TYPE => array(
+                                       'id',
+                                       'user',
+                                       'userid',
+                                       'by',
+                                       'byid',
+                                       'timestamp',
+                                       'expiry',
+                                       'reason',
+                                       'range',
+                                       'flags'
+                               ),
+                               ApiBase::PARAM_ISMULTI => true
+                       ),
+                       'show' => array(
+                               ApiBase::PARAM_TYPE => array(
+                                       'account',
+                                       '!account',
+                                       'temp',
+                                       '!temp',
+                                       'ip',
+                                       '!ip',
+                                       'range',
+                                       '!range',
+                               ),
+                               ApiBase::PARAM_ISMULTI => true
+                       ),
                );
        }
 
        public function getParamDescription() {
-               return array (
+               $p = $this->getModulePrefix();
+               return array(
                        'start' => 'The timestamp to start enumerating from',
                        'end' => 'The timestamp to stop enumerating at',
-                       'dir' => 'The direction in which to enumerate',
+                       'dir' => $this->getDirectionDescription( $p ),
                        'ids' => 'Pipe-separated list of block IDs to list (optional)',
                        'users' => 'Pipe-separated list of users to search for (optional)',
                        'ip' => array(  'Get all blocks applying to this IP or CIDR range, including range blocks.',
-                                       'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted.' ),
+                                       'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted' ),
                        'limit' => 'The maximum amount of blocks to list',
-                       'prop' => 'Which properties to get',
+                       'prop' => array(
+                               'Which properties to get',
+                               ' id         - Adds the ID of the block',
+                               ' user       - Adds the username of the blocked user',
+                               ' userid     - Adds the user ID of the blocked user',
+                               ' by         - Adds the username of the blocking user',
+                               ' byid       - Adds the user ID of the blocking user',
+                               ' timestamp  - Adds the timestamp of when the block was given',
+                               ' expiry     - Adds the timestamp of when the block expires',
+                               ' reason     - Adds the reason given for the block',
+                               ' range      - Adds the range of IPs affected by the block',
+                               ' flags      - Tags the ban with (autoblock, anononly, etc)',
+                       ),
+                       'show' => array(
+                               'Show only items that meet this criteria.',
+                               "For example, to see only indefinite blocks on IPs, set {$p}show=ip|!temp"
+                       ),
+               );
+       }
+
+       public function getResultProperties() {
+               return array(
+                       'id' => array(
+                               'id' => 'integer'
+                       ),
+                       'user' => array(
+                               'user' => array(
+                                       ApiBase::PROP_TYPE => 'string',
+                                       ApiBase::PROP_NULLABLE => true
+                               )
+                       ),
+                       'userid' => array(
+                               'userid' => array(
+                                       ApiBase::PROP_TYPE => 'integer',
+                                       ApiBase::PROP_NULLABLE => true
+                               )
+                       ),
+                       'by' => array(
+                               'by' => 'string'
+                       ),
+                       'byid' => array(
+                               'byid' => 'integer'
+                       ),
+                       'timestamp' => array(
+                               'timestamp' => 'timestamp'
+                       ),
+                       'expiry' => array(
+                               'expiry' => 'timestamp'
+                       ),
+                       'reason' => array(
+                               'reason' => 'string'
+                       ),
+                       'range' => array(
+                               'rangestart' => array(
+                                       ApiBase::PROP_TYPE => 'string',
+                                       ApiBase::PROP_NULLABLE => true
+                               ),
+                               'rangeend' => array(
+                                       ApiBase::PROP_TYPE => 'string',
+                                       ApiBase::PROP_NULLABLE => true
+                               )
+                       ),
+                       'flags' => array(
+                               'automatic' => 'boolean',
+                               'anononly' => 'boolean',
+                               'nocreate' => 'boolean',
+                               'autoblock' => 'boolean',
+                               'noemail' => 'boolean',
+                               'hidden' => 'boolean',
+                               'allowusertalk' => 'boolean'
+                       )
                );
        }
 
        public function getDescription() {
-               return 'List all blocked users and IP addresses.';
+               return 'List all blocked users and IP addresses';
        }
-       
+
        public function getPossibleErrors() {
                return array_merge( parent::getPossibleErrors(), array(
-                       array( 'code' => 'usersandip', 'info' => 'bkusers and bkip cannot be used together' ),
+                       $this->getRequireOnlyOneParameterErrorMessages( array( 'users', 'ip' ) ),
                        array( 'code' => 'cidrtoobroad', 'info' => 'CIDR ranges broader than /16 are not accepted' ),
                        array( 'code' => 'param_user', 'info' => 'User parameter may not be empty' ),
                        array( 'code' => 'param_user', 'info' => 'User name user is not valid' ),
+                       array( 'show' ),
                ) );
        }
 
-       protected function getExamples() {
-               return array (  'api.php?action=query&list=blocks',
-                               'api.php?action=query&list=blocks&bkusers=Alice|Bob'
+       public function getExamples() {
+               return array(
+                       'api.php?action=query&list=blocks',
+                       'api.php?action=query&list=blocks&bkusers=Alice|Bob'
                );
        }
 
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/API:Blocks';
+       }
+
        public function getVersion() {
                return __CLASS__ . ': $Id$';
        }
-}
\ No newline at end of file
+}