includes/api/ApiUnblock.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Sep 7, 2007
   6  *
   7  * Copyright © 2007 Roan Kattouw <Firstname>.<Lastname>@gmail.com
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 if ( !defined( 'MEDIAWIKI' ) ) {
  28         // Eclipse helper - will be ignored in production
  29         require_once( "ApiBase.php" );
  30 }
  31
  32 /**
  33  * API module that facilitates the unblocking of users. Requires API write mode
  34  * to be enabled.
  35  *
  36  * @ingroup API
  37  */
  38 class ApiUnblock extends ApiBase {
  39
  40         public function __construct( $main, $action ) {
  41                 parent::__construct( $main, $action );
  42         }
  43
  44         /**
  45          * Unblocks the specified user or provides the reason the unblock failed.
  46          */
  47         public function execute() {
  48                 global $wgUser;
  49                 $params = $this->extractRequestParams();
  50
  51                 if ( $params['gettoken'] ) {
  52                         $res['unblocktoken'] = $wgUser->editToken( '', $this->getMain()->getRequest() );
  53                         $this->getResult()->addValue( null, $this->getModuleName(), $res );
  54                         return;
  55                 }
  56
  57                 if ( is_null( $params['id'] ) && is_null( $params['user'] ) ) {
  58                         $this->dieUsageMsg( array( 'unblock-notarget' ) );
  59                 }
  60                 if ( !is_null( $params['id'] ) && !is_null( $params['user'] ) ) {
  61                         $this->dieUsageMsg( array( 'unblock-idanduser' ) );
  62                 }
  63
  64                 if ( !$wgUser->isAllowed( 'block' ) ) {
  65                         $this->dieUsageMsg( array( 'cantunblock' ) );
  66                 }
  67                 # bug 15810: blocked admins should have limited access here
  68                 if ( $wgUser->isBlocked() ) {
  69                         $status = SpecialBlock::checkUnblockSelf( $params['user'] );
  70                         if ( $status !== true ) {
  71                                 $this->dieUsageMsg( array( $status ) );
  72                         }
  73                 }
  74
  75                 $data = array(
  76                         'Target' => is_null( $params['id'] ) ? $params['user'] : "#{$params['id']}",
  77                         'Reason' => is_null( $params['reason'] ) ? '' : $params['reason']
  78                 );
  79                 $block = Block::newFromTarget( $data['Target'] );
  80                 $retval = SpecialUnblock::processUnblock( $data );
  81                 if ( $retval !== true ) {
  82                         $this->dieUsageMsg( $retval[0] );
  83                 }
  84
  85                 $res['id'] = $block->getId();
  86                 $res['user'] = $block->getType() == Block::TYPE_AUTO ? '' : $block->getTarget();
  87                 $res['reason'] = $params['reason'];
  88                 $this->getResult()->addValue( null, $this->getModuleName(), $res );
  89         }
  90
  91         public function mustBePosted() {
  92                 return true;
  93         }
  94
  95         public function isWriteMode() {
  96                 return true;
  97         }
  98
  99         public function getAllowedParams() {
 100                 return array(
 101                         'id' => null,
 102                         'user' => null,
 103                         'token' => null,
 104                         'gettoken' => false,
 105                         'reason' => null,
 106                 );
 107         }
 108
 109         public function getParamDescription() {
 110                 $p = $this->getModulePrefix();
 111                 return array(
 112                         'id' => "ID of the block you want to unblock (obtained through list=blocks). Cannot be used together with {$p}user",
 113                         'user' => "Username, IP address or IP range you want to unblock. Cannot be used together with {$p}id",
 114                         'token' => "An unblock token previously obtained through the gettoken parameter or {$p}prop=info",
 115                         'gettoken' => 'If set, an unblock token will be returned, and no other action will be taken',
 116                         'reason' => 'Reason for unblock (optional)',
 117                 );
 118         }
 119
 120         public function getDescription() {
 121                 return 'Unblock a user';
 122         }
 123
 124         public function getPossibleErrors() {
 125                 return array_merge( parent::getPossibleErrors(), array(
 126                         array( 'unblock-notarget' ),
 127                         array( 'unblock-idanduser' ),
 128                         array( 'cantunblock' ),
 129                         array( 'ipbblocked' ),
 130                         array( 'ipbnounblockself' ),
 131                 ) );
 132         }
 133
 134         public function needsToken() {
 135                 return true;
 136         }
 137
 138         public function getTokenSalt() {
 139                 return '';
 140         }
 141
 142         protected function getExamples() {
 143                 return array(
 144                         'api.php?action=unblock&id=105',
 145                         'api.php?action=unblock&user=Bob&reason=Sorry%20Bob'
 146                 );
 147         }
 148
 149         public function getVersion() {
 150                 return __CLASS__ . ': $Id$';
 151         }
 152 }