includes/api/ApiQueryBlocks.php

   1 <?php
   2
   3 /*
   4  * Created on Sep 10, 2007
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if (!defined('MEDIAWIKI')) {
  27         // Eclipse helper - will be ignored in production
  28         require_once ('ApiQueryBase.php');
  29 }
  30
  31 /**
  32  * Query module to enumerate all available pages.
  33  *
  34  * @ingroup API
  35  */
  36 class ApiQueryBlocks extends ApiQueryBase {
  37
  38         var $users;
  39
  40         public function __construct($query, $moduleName) {
  41                 parent :: __construct($query, $moduleName, 'bk');
  42         }
  43
  44         public function execute() {
  45                 global $wgUser;
  46
  47                 $params = $this->extractRequestParams();
  48                 if(isset($params['users']) && isset($params['ip']))
  49                         $this->dieUsage('bkusers and bkip cannot be used together', 'usersandip');
  50
  51                 $prop = array_flip($params['prop']);
  52                 $fld_id = isset($prop['id']);
  53                 $fld_user = isset($prop['user']);
  54                 $fld_by = isset($prop['by']);
  55                 $fld_timestamp = isset($prop['timestamp']);
  56                 $fld_expiry = isset($prop['expiry']);
  57                 $fld_reason = isset($prop['reason']);
  58                 $fld_range = isset($prop['range']);
  59                 $fld_flags = isset($prop['flags']);
  60
  61                 $result = $this->getResult();
  62                 $pageSet = $this->getPageSet();
  63                 $titles = $pageSet->getTitles();
  64                 $data = array();
  65
  66                 $this->addTables('ipblocks');
  67                 if($fld_id)
  68                         $this->addFields('ipb_id');
  69                 if($fld_user)
  70                         $this->addFields(array('ipb_address', 'ipb_user', 'ipb_auto'));
  71                 if($fld_by)
  72                 {
  73                         $this->addTables('user');
  74                         $this->addFields(array('ipb_by', 'user_name'));
  75                         $this->addWhere('user_id = ipb_by');
  76                 }
  77                 if($fld_timestamp)
  78                         $this->addFields('ipb_timestamp');
  79                 if($fld_expiry)
  80                         $this->addFields('ipb_expiry');
  81                 if($fld_reason)
  82                         $this->addFields('ipb_reason');
  83                 if($fld_range)
  84                         $this->addFields(array('ipb_range_start', 'ipb_range_end'));
  85                 if($fld_flags)
  86                         $this->addFields(array('ipb_auto', 'ipb_anon_only', 'ipb_create_account', 'ipb_enable_autoblock', 'ipb_block_email', 'ipb_deleted', 'ipb_allow_usertalk'));
  87
  88                 $this->addOption('LIMIT', $params['limit'] + 1);
  89                 $this->addWhereRange('ipb_timestamp', $params['dir'], $params['start'], $params['end']);
  90                 if(isset($params['ids']))
  91                         $this->addWhereFld('ipb_id', $params['ids']);
  92                 if(isset($params['users']))
  93                 {
  94                         foreach((array)$params['users'] as $u)
  95                                 $this->prepareUsername($u);
  96                         $this->addWhereFld('ipb_address', $this->usernames);
  97                 }
  98                 if(isset($params['ip']))
  99                 {
 100                         list($ip, $range) = IP::parseCIDR($params['ip']);
 101                         if($ip && $range)
 102                         {
 103                                 # We got a CIDR range
 104                                 if($range < 16)
 105                                         $this->dieUsage('CIDR ranges broader than /16 are not accepted', 'cidrtoobroad');
 106                                 $lower = wfBaseConvert($ip, 10, 16, 8, false);
 107                                 $upper = wfBaseConvert($ip + pow(2, 32 - $range) - 1, 10, 16, 8, false);
 108                         }
 109                         else
 110                                 $lower = $upper = IP::toHex($params['ip']);
 111                         $prefix = substr($lower, 0, 4);
 112                         $this->addWhere(array(
 113                                 "ipb_range_start LIKE '$prefix%'",
 114                                 "ipb_range_start <= '$lower'",
 115                                 "ipb_range_end >= '$upper'"
 116                         ));
 117                 }
 118                 if(!$wgUser->isAllowed('suppress'))
 119                         $this->addWhereFld('ipb_deleted', 0);
 120
 121                 // Purge expired entries on one in every 10 queries
 122                 if(!mt_rand(0, 10))
 123                         Block::purgeExpired();
 124
 125                 $res = $this->select(__METHOD__);
 126
 127                 $count = 0;
 128                 while($row = $res->fetchObject())
 129                 {
 130                         if(++$count > $params['limit'])
 131                         {
 132                                 // We've had enough
 133                                 $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ipb_timestamp));
 134                                 break;
 135                         }
 136                         $block = array();
 137                         if($fld_id)
 138                                 $block['id'] = $row->ipb_id;
 139                         if($fld_user && !$row->ipb_auto)
 140                                 $block['user'] = $row->ipb_address;
 141                         if($fld_by)
 142                                 $block['by'] = $row->user_name;
 143                         if($fld_timestamp)
 144                                 $block['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ipb_timestamp);
 145                         if($fld_expiry)
 146                                 $block['expiry'] = Block::decodeExpiry($row->ipb_expiry, TS_ISO_8601);
 147                         if($fld_reason)
 148                                 $block['reason'] = $row->ipb_reason;
 149                         if($fld_range)
 150                         {
 151                                 $block['rangestart'] = IP::hexToQuad($row->ipb_range_start);
 152                                 $block['rangeend'] = IP::hexToQuad($row->ipb_range_end);
 153                         }
 154                         if($fld_flags)
 155                         {
 156                                 // For clarity, these flags use the same names as their action=block counterparts
 157                                 if($row->ipb_auto)
 158                                         $block['automatic'] = '';
 159                                 if($row->ipb_anon_only)
 160                                         $block['anononly'] = '';
 161                                 if($row->ipb_create_account)
 162                                         $block['nocreate'] = '';
 163                                 if($row->ipb_enable_autoblock)
 164                                         $block['autoblock'] = '';
 165                                 if($row->ipb_block_email)
 166                                         $block['noemail'] = '';
 167                                 if($row->ipb_deleted)
 168                                         $block['hidden'] = '';
 169                                 if($row->ipb_allow_usertalk)
 170                                         $block['allowusertalk'] = '';
 171                         }
 172                         $data[] = $block;
 173                 }
 174                 $result->setIndexedTagName($data, 'block');
 175                 $result->addValue('query', $this->getModuleName(), $data);
 176         }
 177
 178         protected function prepareUsername($user)
 179         {
 180                 if(!$user)
 181                         $this->dieUsage('User parameter may not be empty', 'param_user');
 182                 $name = User::isIP($user)
 183                         ? $user
 184                         : User::getCanonicalName($user, 'valid');
 185                 if($name === false)
 186                         $this->dieUsage("User name {$user} is not valid", 'param_user');
 187                 $this->usernames[] = $name;
 188         }
 189
 190         public function getAllowedParams() {
 191                 return array (
 192                         'start' => array(
 193                                 ApiBase :: PARAM_TYPE => 'timestamp'
 194                         ),
 195                         'end' => array(
 196                                 ApiBase :: PARAM_TYPE => 'timestamp',
 197                         ),
 198                         'dir' => array(
 199                                 ApiBase :: PARAM_TYPE => array(
 200                                         'newer',
 201                                         'older'
 202                                 ),
 203                                 ApiBase :: PARAM_DFLT => 'older'
 204                         ),
 205                         'ids' => array(
 206                                 ApiBase :: PARAM_TYPE => 'integer',
 207                                 ApiBase :: PARAM_ISMULTI => true
 208                         ),
 209                         'users' => array(
 210                                 ApiBase :: PARAM_ISMULTI => true
 211                         ),
 212                         'ip' => null,
 213                         'limit' => array(
 214                                 ApiBase :: PARAM_DFLT => 10,
 215                                 ApiBase :: PARAM_TYPE => 'limit',
 216                                 ApiBase :: PARAM_MIN => 1,
 217                                 ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
 218                                 ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
 219                         ),
 220                         'prop' => array(
 221                                 ApiBase :: PARAM_DFLT => 'id|user|by|timestamp|expiry|reason|flags',
 222                                 ApiBase :: PARAM_TYPE => array(
 223                                                 'id',
 224                                                 'user',
 225                                                 'by',
 226                                                 'timestamp',
 227                                                 'expiry',
 228                                                 'reason',
 229                                                 'range',
 230                                                 'flags'
 231                                         ),
 232                                 ApiBase :: PARAM_ISMULTI => true
 233                         )
 234                 );
 235         }
 236
 237         public function getParamDescription() {
 238                 return array (
 239                         'start' => 'The timestamp to start enumerating from',
 240                         'end' => 'The timestamp to stop enumerating at',
 241                         'dir' => 'The direction in which to enumerate',
 242                         'ids' => 'Pipe-separated list of block IDs to list (optional)',
 243                         'users' => 'Pipe-separated list of users to search for (optional)',
 244                         'ip' => array(  'Get all blocks applying to this IP or CIDR range, including range blocks.',
 245                                         'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted.'),
 246                         'limit' => 'The maximum amount of blocks to list',
 247                         'prop' => 'Which properties to get',
 248                 );
 249         }
 250
 251         public function getDescription() {
 252                 return 'List all blocked users and IP addresses.';
 253         }
 254
 255         protected function getExamples() {
 256                 return array (  'api.php?action=query&list=blocks',
 257                                 'api.php?action=query&list=blocks&bkusers=Alice|Bob'
 258                 );
 259         }
 260
 261         public function getVersion() {
 262                 return __CLASS__ . ': $Id: ApiQueryBlocks.php 43676 2008-11-18 15:11:11Z catrope $';
 263         }
 264 }