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
 113                         $db = $this->getDB();
 114                         $this->addWhere(array(
 115                                 'ipb_range_start' . $db->buildLike($prefix, $db->anyString()),
 116                                 "ipb_range_start <= '$lower'",
 117                                 "ipb_range_end >= '$upper'"
 118                         ));
 119                 }
 120                 if(!$wgUser->isAllowed('hideuser'))
 121                         $this->addWhereFld('ipb_deleted', 0);
 122
 123                 // Purge expired entries on one in every 10 queries
 124                 if(!mt_rand(0, 10))
 125                         Block::purgeExpired();
 126
 127                 $res = $this->select(__METHOD__);
 128
 129                 $count = 0;
 130                 while($row = $res->fetchObject())
 131                 {
 132                         if(++$count > $params['limit'])
 133                         {
 134                                 // We've had enough
 135                                 $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ipb_timestamp));
 136                                 break;
 137                         }
 138                         $block = array();
 139                         if($fld_id)
 140                                 $block['id'] = $row->ipb_id;
 141                         if($fld_user && !$row->ipb_auto)
 142                                 $block['user'] = $row->ipb_address;
 143                         if($fld_by)
 144                                 $block['by'] = $row->user_name;
 145                         if($fld_timestamp)
 146                                 $block['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ipb_timestamp);
 147                         if($fld_expiry)
 148                                 $block['expiry'] = Block::decodeExpiry($row->ipb_expiry, TS_ISO_8601);
 149                         if($fld_reason)
 150                                 $block['reason'] = $row->ipb_reason;
 151                         if($fld_range)
 152                         {
 153                                 $block['rangestart'] = IP::hexToQuad($row->ipb_range_start);
 154                                 $block['rangeend'] = IP::hexToQuad($row->ipb_range_end);
 155                         }
 156                         if($fld_flags)
 157                         {
 158                                 // For clarity, these flags use the same names as their action=block counterparts
 159                                 if($row->ipb_auto)
 160                                         $block['automatic'] = '';
 161                                 if($row->ipb_anon_only)
 162                                         $block['anononly'] = '';
 163                                 if($row->ipb_create_account)
 164                                         $block['nocreate'] = '';
 165                                 if($row->ipb_enable_autoblock)
 166                                         $block['autoblock'] = '';
 167                                 if($row->ipb_block_email)
 168                                         $block['noemail'] = '';
 169                                 if($row->ipb_deleted)
 170                                         $block['hidden'] = '';
 171                                 if($row->ipb_allow_usertalk)
 172                                         $block['allowusertalk'] = '';
 173                         }
 174                         $fit = $result->addValue(array('query', $this->getModuleName()), null, $block);
 175                         if(!$fit)
 176                         {
 177                                 $this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ipb_timestamp));
 178                                 break;
 179                         }
 180                 }
 181                 $result->setIndexedTagName_internal(array('query', $this->getModuleName()), 'block');
 182         }
 183
 184         protected function prepareUsername($user)
 185         {
 186                 if(!$user)
 187                         $this->dieUsage('User parameter may not be empty', 'param_user');
 188                 $name = User::isIP($user)
 189                         ? $user
 190                         : User::getCanonicalName($user, 'valid');
 191                 if($name === false)
 192                         $this->dieUsage("User name {$user} is not valid", 'param_user');
 193                 $this->usernames[] = $name;
 194         }
 195
 196         public function getAllowedParams() {
 197                 return array (
 198                         'start' => array(
 199                                 ApiBase :: PARAM_TYPE => 'timestamp'
 200                         ),
 201                         'end' => array(
 202                                 ApiBase :: PARAM_TYPE => 'timestamp',
 203                         ),
 204                         'dir' => array(
 205                                 ApiBase :: PARAM_TYPE => array(
 206                                         'newer',
 207                                         'older'
 208                                 ),
 209                                 ApiBase :: PARAM_DFLT => 'older'
 210                         ),
 211                         'ids' => array(
 212                                 ApiBase :: PARAM_TYPE => 'integer',
 213                                 ApiBase :: PARAM_ISMULTI => true
 214                         ),
 215                         'users' => array(
 216                                 ApiBase :: PARAM_ISMULTI => true
 217                         ),
 218                         'ip' => null,
 219                         'limit' => array(
 220                                 ApiBase :: PARAM_DFLT => 10,
 221                                 ApiBase :: PARAM_TYPE => 'limit',
 222                                 ApiBase :: PARAM_MIN => 1,
 223                                 ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
 224                                 ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
 225                         ),
 226                         'prop' => array(
 227                                 ApiBase :: PARAM_DFLT => 'id|user|by|timestamp|expiry|reason|flags',
 228                                 ApiBase :: PARAM_TYPE => array(
 229                                                 'id',
 230                                                 'user',
 231                                                 'by',
 232                                                 'timestamp',
 233                                                 'expiry',
 234                                                 'reason',
 235                                                 'range',
 236                                                 'flags'
 237                                         ),
 238                                 ApiBase :: PARAM_ISMULTI => true
 239                         )
 240                 );
 241         }
 242
 243         public function getParamDescription() {
 244                 return array (
 245                         'start' => 'The timestamp to start enumerating from',
 246                         'end' => 'The timestamp to stop enumerating at',
 247                         'dir' => 'The direction in which to enumerate',
 248                         'ids' => 'Pipe-separated list of block IDs to list (optional)',
 249                         'users' => 'Pipe-separated list of users to search for (optional)',
 250                         'ip' => array(  'Get all blocks applying to this IP or CIDR range, including range blocks.',
 251                                         'Cannot be used together with bkusers. CIDR ranges broader than /16 are not accepted.'),
 252                         'limit' => 'The maximum amount of blocks to list',
 253                         'prop' => 'Which properties to get',
 254                 );
 255         }
 256
 257         public function getDescription() {
 258                 return 'List all blocked users and IP addresses.';
 259         }
 260
 261         protected function getExamples() {
 262                 return array (  'api.php?action=query&list=blocks',
 263                                 'api.php?action=query&list=blocks&bkusers=Alice|Bob'
 264                 );
 265         }
 266
 267         public function getVersion() {
 268                 return __CLASS__ . ': $Id$';
 269         }
 270 }