more accurate documentation for addValue() method
[lhc/web/wiklou.git] / includes / api / ApiQueryBlocks.php
index 1ef9b4f..36f0896 100644 (file)
-<?php\r
-\r
-/*\r
- * Created on Sep 10, 2007\r
- *\r
- * API for MediaWiki 1.8+\r
- *\r
- * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl\r
- *\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License along\r
- * with this program; if not, write to the Free Software Foundation, Inc.,\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\r
- * http://www.gnu.org/copyleft/gpl.html\r
- */\r
-\r
-if (!defined('MEDIAWIKI')) {\r
-       // Eclipse helper - will be ignored in production\r
-       require_once ('ApiQueryBase.php');\r
-}\r
-\r
-/**\r
- * Query module to enumerate all available pages.\r
- * \r
- * @addtogroup API\r
- */\r
-class ApiQueryBlocks extends ApiQueryBase {\r
-\r
-       public function __construct($query, $moduleName) {\r
-               parent :: __construct($query, $moduleName, 'bk');\r
-       }\r
-\r
-       public function execute() {\r
-               $this->run();\r
-       }\r
-\r
-       private function run() {\r
-               global $wgUser;\r
-\r
-               $params = $this->extractRequestParams();\r
-               $prop = array_flip($params['prop']);\r
-               $fld_id = isset($prop['id']);\r
-               $fld_user = isset($prop['user']);\r
-               $fld_by = isset($prop['by']);\r
-               $fld_timestamp = isset($prop['timestamp']);\r
-               $fld_expiry = isset($prop['expiry']);\r
-               $fld_reason = isset($prop['reason']);\r
-               $fld_range = isset($prop['range']);\r
-               $fld_flags = isset($prop['flags']);\r
-\r
-               $result = $this->getResult();\r
-               $pageSet = $this->getPageSet();\r
-               $titles = $pageSet->getTitles();\r
-               $data = array();\r
-\r
-               $this->addTables('ipblocks');\r
-               if($fld_id)\r
-                       $this->addFields('ipb_id');\r
-               if($fld_user)\r
-                       $this->addFields(array('ipb_address', 'ipb_user'));\r
-               if($fld_by)\r
-               {\r
-                       $this->addTables('user');\r
-                       $this->addFields(array('ipb_by', 'user_name'));\r
-                       $this->addWhere('user_id = ipb_by');\r
-               }\r
-               if($fld_timestamp)\r
-                       $this->addFields('ipb_timestamp');\r
-               if($fld_expiry)\r
-                       $this->addFields('ipb_expiry');\r
-               if($fld_reason)\r
-                       $this->addFields('ipb_reason');\r
-               if($fld_range)\r
-                       $this->addFields(array('ipb_range_start', 'ipb_range_end'));\r
-               if($fld_flags)\r
-                       $this->addFields(array('ipb_auto', 'ipb_anon_only', 'ipb_create_account', 'ipb_enable_autoblock', 'ipb_block_email', 'ipb_deleted'));\r
-\r
-               $this->addOption('LIMIT', $params['limit'] + 1);\r
-               $this->addWhereRange('ipb_timestamp', $params['dir'], $params['start'], $params['end']);\r
-               if(isset($params['ids']))\r
-                       $this->addWhere(array('ipb_id' => $params['ids']));\r
-               if(isset($params['users']))\r
-                       $this->addWhere(array('ipb_address' => $params['users']));\r
-               if(!$wgUser->isAllowed('oversight'))\r
-                       $this->addWhere(array('ipb_deleted' => 0));\r
-\r
-               // Purge expired entries on one in every 10 queries\r
-               if(!mt_rand(0, 10))\r
-                       Block::purgeExpired();\r
-\r
-               $res = $this->select(__METHOD__);\r
-               $db = wfGetDB();\r
-\r
-               $count = 0;\r
-               while($row = $db->fetchObject($res))\r
-               {\r
-                       if($count++ == $params['limit'])\r
-                       {\r
-                               // We've had enough\r
-                               $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ipb_timestamp));\r
-                               break;\r
-                       }\r
-                       $block = array();\r
-                       if($fld_id)\r
-                               $block['id'] = $row->ipb_id;\r
-                       if($fld_user)\r
-                       {\r
-                               $block['user'] = $row->ipb_address;\r
-                               $block['userid'] = $row->ipb_user;\r
-                       }\r
-                       if($fld_by)\r
-                       {\r
-                               $block['by'] = $row->user_name;\r
-                               $block['byuserid'] = $row->ipb_by;\r
-                       }\r
-                       if($fld_timestamp)\r
-                               $block['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ipb_timestamp);\r
-                       if($fld_expiry)\r
-                               $block['expiry'] = Block::decodeExpiry($row->ipb_expiry, TS_ISO_8601);\r
-                       if($fld_reason)\r
-                               $block['reason'] = $row->ipb_reason;\r
-                       if($fld_range)\r
-                       {\r
-                               $block['rangestart'] = $this->convertHexIP($row->ipb_range_start);\r
-                               $block['rangeend'] = $this->convertHexIP($row->ipb_range_end);\r
-                       }\r
-                       if($fld_flags)\r
-                       {\r
-                               // For clarity, these flags use the same names as their action=block counterparts\r
-                               if($row->ipb_auto)\r
-                                       $block['automatic'] = '';\r
-                               if($row->ipb_anon_only)\r
-                                       $block['anononly'] = '';\r
-                               if($row->ipb_create_account)\r
-                                       $block['nocreate'] = '';\r
-                               if($row->ipb_enable_autoblock)\r
-                                       $block['autoblock'] = '';\r
-                               if($row->ipb_block_email)\r
-                                       $block['noemail'] = '';\r
-                               if($row->ipb_deleted)\r
-                                       $block['hidden'] = '';\r
-                       }\r
-                       $data[] = $block;\r
-               }\r
-               $result->setIndexedTagName($data, 'block');\r
-               $result->addValue('query', $this->getModuleName(), $data);\r
-       }\r
-\r
-       protected function convertHexIP($ip)\r
-       {\r
-               // Converts a hexadecimal IP to nnn.nnn.nnn.nnn format\r
-               $dec = wfBaseConvert($ip, 16, 10);\r
-               $parts[0] = (int)($dec / (256*256*256));\r
-               $dec %= 256*256*256;\r
-               $parts[1] = (int)($dec / (256*256));\r
-               $dec %= 256*256;\r
-               $parts[2] = (int)($dec / 256);\r
-               $parts[3] = $dec % 256;\r
-               return implode('.', $parts);\r
-       }\r
-\r
-       protected function getAllowedParams() {\r
-               return array (\r
-                       'start' => array(\r
-                               ApiBase :: PARAM_TYPE => 'timestamp'\r
-                       ),\r
-                       'end' => array(\r
-                               ApiBase :: PARAM_TYPE => 'timestamp',\r
-                       ),\r
-                       'dir' => array(\r
-                               ApiBase :: PARAM_TYPE => array(\r
-                                       'newer',\r
-                                       'older'\r
-                               ),\r
-                               ApiBase :: PARAM_DFLT => 'older'\r
-                       ),\r
-                       'ids' => array(\r
-                               ApiBase :: PARAM_TYPE => 'integer',\r
-                               ApiBase :: PARAM_ISMULTI => true\r
-                       ),\r
-                       'users' => array(\r
-                               ApiBase :: PARAM_ISMULTI => true\r
-                       ),\r
-                       'limit' => array(\r
-                               ApiBase :: PARAM_DFLT => 10,\r
-                               ApiBase :: PARAM_TYPE => 'limit',\r
-                               ApiBase :: PARAM_MIN => 1,\r
-                               ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,\r
-                               ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2\r
-                       ),\r
-                       'prop' => array(\r
-                               ApiBase :: PARAM_DFLT => 'id|user|by|timestamp|expiry|reason|flags',\r
-                               ApiBase :: PARAM_TYPE => array(\r
-                                               'id',\r
-                                               'user',\r
-                                               'by',\r
-                                               'timestamp',\r
-                                               'expiry',\r
-                                               'reason',\r
-                                               'range',\r
-                                               'flags'\r
-                                       ),\r
-                               ApiBase :: PARAM_ISMULTI => true\r
-                       )\r
-               );\r
-       }\r
-\r
-       protected function getParamDescription() {\r
-               return array (\r
-                       'start' => 'The timestamp to start enumerating from',\r
-                       'end' => 'The timestamp to stop enumerating at',\r
-                       'dir' => 'The direction in which to enumerate',\r
-                       'ids' => 'Pipe-separated list of block IDs to list (optional)',\r
-                       'users' => 'Pipe-separated list of users to search for (optional)',\r
-                       'limit' => 'The maximum amount of blocks to list',\r
-                       'prop' => 'Which properties to get',\r
-               );\r
-       }\r
-\r
-       protected function getDescription() {\r
-               return 'List all blocked users and IP addresses.';\r
-       }\r
-\r
-       protected function getExamples() {\r
-               return array (\r
-               );\r
-       }\r
-\r
-       public function getVersion() {\r
-               return __CLASS__ . ': $Id$';\r
-       }\r
-}\r
+<?php
+/**
+ *
+ *
+ * Created on Sep 10, 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.,
+ * 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 user blocks
+ *
+ * @ingroup API
+ */
+class ApiQueryBlocks extends ApiQueryBase {
+
+       /**
+        * @var Array
+        */
+       protected $usernames;
+
+       public function __construct( $query, $moduleName ) {
+               parent::__construct( $query, $moduleName, 'bk' );
+       }
+
+       public function execute() {
+               global $wgUser, $wgContLang;
+
+               $params = $this->extractRequestParams();
+               $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'] );
+               $fld_range = isset( $prop['range'] );
+               $fld_flags = isset( $prop['flags'] );
+
+               $result = $this->getResult();
+
+               $this->addTables( 'ipblocks' );
+               $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->addTimestampWhereRange( 'ipb_timestamp', $params['dir'], $params['start'], $params['end'] );
+               if ( isset( $params['ids'] ) ) {
+                       $this->addWhereFld( 'ipb_id', $params['ids'] );
+               }
+               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'] ) ) {
+                       list( $ip, $range ) = IP::parseCIDR( $params['ip'] );
+                       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 {
+                               $lower = $upper = IP::toHex( $params['ip'] );
+                       }
+                       $prefix = substr( $lower, 0, 4 );
+
+                       $db = $this->getDB();
+                       $this->addWhere( array(
+                               'ipb_range_start' . $db->buildLike( $prefix, $db->anyString() ),
+                               "ipb_range_start <= '$lower'",
+                               "ipb_range_end >= '$upper'",
+                               'ipb_auto' => 0
+                       ) );
+               }
+
+               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 = 'infinity'", isset( $show['!temp'] ) );
+                       $this->addWhereIf( "ipb_expiry != 'infinity'", isset( $show['temp'] ) );
+                       $this->addWhereIf( "ipb_range_end = ipb_range_start", isset( $show['!range'] ) );
+                       $this->addWhereIf( "ipb_range_end > ipb_range_start", isset( $show['range'] ) );
+               }
+
+               if ( !$wgUser->isAllowed( 'hideuser' ) ) {
+                       $this->addWhereFld( 'ipb_deleted', 0 );
+               }
+
+               // Purge expired entries on one in every 10 queries
+               if ( !mt_rand( 0, 10 ) ) {
+                       Block::purgeExpired();
+               }
+
+               $res = $this->select( __METHOD__ );
+
+               $count = 0;
+               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 ) {
+                               $block['id'] = $row->ipb_id;
+                       }
+                       if ( $fld_user && !$row->ipb_auto ) {
+                               $block['user'] = $row->ipb_address;
+                       }
+                       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'] = $wgContLang->formatExpiry( $row->ipb_expiry, TS_ISO_8601 );
+                       }
+                       if ( $fld_reason ) {
+                               $block['reason'] = $row->ipb_reason;
+                       }
+                       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 ) {
+                               // For clarity, these flags use the same names as their action=block counterparts
+                               if ( $row->ipb_auto ) {
+                                       $block['automatic'] = '';
+                               }
+                               if ( $row->ipb_anon_only ) {
+                                       $block['anononly'] = '';
+                               }
+                               if ( $row->ipb_create_account ) {
+                                       $block['nocreate'] = '';
+                               }
+                               if ( $row->ipb_enable_autoblock ) {
+                                       $block['autoblock'] = '';
+                               }
+                               if ( $row->ipb_block_email ) {
+                                       $block['noemail'] = '';
+                               }
+                               if ( $row->ipb_deleted ) {
+                                       $block['hidden'] = '';
+                               }
+                               if ( $row->ipb_allow_usertalk ) {
+                                       $block['allowusertalk'] = '';
+                               }
+                       }
+                       $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $block );
+                       if ( !$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 ) {
+                       $this->dieUsage( 'User parameter may not be empty', 'param_user' );
+               }
+               $name = User::isIP( $user )
+                       ? $user
+                       : User::getCanonicalName( $user, 'valid' );
+               if ( $name === false ) {
+                       $this->dieUsage( "User name {$user} is not valid", 'param_user' );
+               }
+               $this->usernames[] = $name;
+       }
+
+       public function getAllowedParams() {
+               return array(
+                       'start' => array(
+                               ApiBase::PARAM_TYPE => 'timestamp'
+                       ),
+                       'end' => array(
+                               ApiBase::PARAM_TYPE => 'timestamp',
+                       ),
+                       'dir' => array(
+                               ApiBase::PARAM_TYPE => array(
+                                       'newer',
+                                       'older'
+                               ),
+                               ApiBase::PARAM_DFLT => 'older'
+                       ),
+                       'ids' => array(
+                               ApiBase::PARAM_TYPE => 'integer',
+                               ApiBase::PARAM_ISMULTI => true
+                       ),
+                       'users' => array(
+                               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
+                       ),
+                       'prop' => array(
+                               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() {
+               $p = $this->getModulePrefix();
+               return array(
+                       'start' => 'The timestamp to start enumerating from',
+                       'end' => 'The timestamp to stop enumerating at',
+                       'dir' => $this->getDirectionDescription( $p ),
+                       'ids' => 'Pipe-separated list of block IDs to list (optional)',
+                       'users' => 'Pipe-separated list of users to search for (optional)',
+                       'ip' => array(  'Get all blocks applying to this IP or CIDR range, including range blocks.',
+                                       'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted' ),
+                       'limit' => 'The maximum amount of blocks to list',
+                       'prop' => array(
+                               'Which properties to get',
+                               ' id         - Adds the ID of the block',
+                               ' user       - Adds the username of the blocked user',
+                               ' userid     - Adds the user ID of the blocked user',
+                               ' by         - Adds the username of the blocking user',
+                               ' byid       - Adds the user ID of the blocking user',
+                               ' timestamp  - Adds the timestamp of when the block was given',
+                               ' expiry     - Adds the timestamp of when the block expires',
+                               ' reason     - Adds the reason given for the block',
+                               ' range      - Adds the range of IPs affected by the block',
+                               ' flags      - Tags the ban with (autoblock, anononly, etc)',
+                       ),
+                       'show' => array(
+                               'Show only items that meet this criteria.',
+                               "For example, to see only indefinite blocks on IPs, set {$p}show=ip|!temp"
+                       ),
+               );
+       }
+
+       public function getDescription() {
+               return 'List all blocked users and IP addresses';
+       }
+
+       public function getPossibleErrors() {
+               return array_merge( parent::getPossibleErrors(), array(
+                       $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' ),
+               ) );
+       }
+
+       public function getExamples() {
+               return array(
+                       'api.php?action=query&list=blocks',
+                       'api.php?action=query&list=blocks&bkusers=Alice|Bob'
+               );
+       }
+
+       public function getHelpUrls() {
+               return 'http://www.mediawiki.org/wiki/API:Blocks';
+       }
+
+       public function getVersion() {
+               return __CLASS__ . ': $Id$';
+       }
+}