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MediaWiki 1.16.1-scripts
[autoinstallsdev/mediawiki.git] / includes / api / ApiProtect.php
1 <?php
2
3 /*
4  * Created on Sep 1, 2007
5  * API for MediaWiki 1.8+
6  *
7  * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
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  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22  * http://www.gnu.org/copyleft/gpl.html
23  */
24
25 if ( !defined( 'MEDIAWIKI' ) ) {
26         // Eclipse helper - will be ignored in production
27         require_once ( "ApiBase.php" );
28 }
29
30 /**
31  * @ingroup API
32  */
33 class ApiProtect extends ApiBase {
34
35         public function __construct( $main, $action ) {
36                 parent :: __construct( $main, $action );
37         }
38
39         public function execute() {
40                 global $wgUser, $wgRestrictionTypes, $wgRestrictionLevels;
41                 $params = $this->extractRequestParams();
42
43                 $titleObj = null;
44                 if ( !isset( $params['title'] ) )
45                         $this->dieUsageMsg( array( 'missingparam', 'title' ) );
46                 if ( empty( $params['protections'] ) )
47                         $this->dieUsageMsg( array( 'missingparam', 'protections' ) );
48
49                 $titleObj = Title::newFromText( $params['title'] );
50                 if ( !$titleObj )
51                         $this->dieUsageMsg( array( 'invalidtitle', $params['title'] ) );
52
53                 $errors = $titleObj->getUserPermissionsErrors( 'protect', $wgUser );
54                 if ( $errors )
55                         // We don't care about multiple errors, just report one of them
56                         $this->dieUsageMsg( reset( $errors ) );
57
58                 $expiry = (array)$params['expiry'];
59                 if ( count( $expiry ) != count( $params['protections'] ) )
60                 {
61                         if ( count( $expiry ) == 1 )
62                                 $expiry = array_fill( 0, count( $params['protections'] ), $expiry[0] );
63                         else
64                                 $this->dieUsageMsg( array( 'toofewexpiries', count( $expiry ), count( $params['protections'] ) ) );
65                 }
66                 
67                 $restrictionTypes = $titleObj->getRestrictionTypes();
68                         
69                 $protections = array();
70                 $expiryarray = array();
71                 $resultProtections = array();
72                 foreach ( $params['protections'] as $i => $prot )
73                 {
74                         $p = explode( '=', $prot );
75                         $protections[$p[0]] = ( $p[1] == 'all' ? '' : $p[1] );
76
77                         if ( $titleObj->exists() && $p[0] == 'create' )
78                                 $this->dieUsageMsg( array( 'create-titleexists' ) );
79                         if ( !$titleObj->exists() && $p[0] != 'create' )
80                                 $this->dieUsageMsg( array( 'missingtitle-createonly' ) );
81
82                         if ( !in_array( $p[0], $restrictionTypes ) && $p[0] != 'create' )
83                                 $this->dieUsageMsg( array( 'protect-invalidaction', $p[0] ) );
84                         if ( !in_array( $p[1], $wgRestrictionLevels ) && $p[1] != 'all' )
85                                 $this->dieUsageMsg( array( 'protect-invalidlevel', $p[1] ) );
86
87                         if ( in_array( $expiry[$i], array( 'infinite', 'indefinite', 'never' ) ) )
88                                 $expiryarray[$p[0]] = Block::infinity();
89                         else
90                         {
91                                 $exp = strtotime( $expiry[$i] );
92                                 if ( $exp < 0 || $exp == false )
93                                         $this->dieUsageMsg( array( 'invalidexpiry', $expiry[$i] ) );
94
95                                 $exp = wfTimestamp( TS_MW, $exp );
96                                 if ( $exp < wfTimestampNow() )
97                                         $this->dieUsageMsg( array( 'pastexpiry', $expiry[$i] ) );
98                                 $expiryarray[$p[0]] = $exp;
99                         }
100                         $resultProtections[] = array( $p[0] => $protections[$p[0]],
101                                         'expiry' => ( $expiryarray[$p[0]] == Block::infinity() ?
102                                                                 'infinite' :
103                                                                 wfTimestamp( TS_ISO_8601, $expiryarray[$p[0]] ) ) );
104                 }
105
106                 $cascade = $params['cascade'];
107                 $articleObj = new Article( $titleObj );
108                 if ( $params['watch'] )
109                         $articleObj->doWatch();
110                 if ( $titleObj->exists() )
111                         $ok = $articleObj->updateRestrictions( $protections, $params['reason'], $cascade, $expiryarray );
112                 else
113                         $ok = $titleObj->updateTitleProtection( $protections['create'], $params['reason'], $expiryarray['create'] );
114                 if ( !$ok )
115                         // This is very weird. Maybe the article was deleted or the user was blocked/desysopped in the meantime?
116                         // Just throw an unknown error in this case, as it's very likely to be a race condition
117                         $this->dieUsageMsg( array() );
118                 $res = array( 'title' => $titleObj->getPrefixedText(), 'reason' => $params['reason'] );
119                 if ( $cascade )
120                         $res['cascade'] = '';
121                 $res['protections'] = $resultProtections;
122                 $this->getResult()->setIndexedTagName( $res['protections'], 'protection' );
123                 $this->getResult()->addValue( null, $this->getModuleName(), $res );
124         }
125
126         public function mustBePosted() {
127                 return true;
128         }
129
130         public function isWriteMode() {
131                 return true;
132         }
133
134         public function getAllowedParams() {
135                 return array (
136                         'title' => null,
137                         'token' => null,
138                         'protections' => array(
139                                 ApiBase :: PARAM_ISMULTI => true
140                         ),
141                         'expiry' => array(
142                                 ApiBase :: PARAM_ISMULTI => true,
143                                 ApiBase :: PARAM_ALLOW_DUPLICATES => true,
144                                 ApiBase :: PARAM_DFLT => 'infinite',
145                         ),
146                         'reason' => '',
147                         'cascade' => false,
148                         'watch' => false,
149                 );
150         }
151
152         public function getParamDescription() {
153                 return array (
154                         'title' => 'Title of the page you want to (un)protect.',
155                         'token' => 'A protect token previously retrieved through prop=info',
156                         'protections' => 'Pipe-separated list of protection levels, formatted action=group (e.g. edit=sysop)',
157                         'expiry' => array( 'Expiry timestamps. If only one timestamp is set, it\'ll be used for all protections.',
158                                         'Use \'infinite\', \'indefinite\' or \'never\', for a neverexpiring protection.' ),
159                         'reason' => 'Reason for (un)protecting (optional)',
160                         'cascade' => array( 'Enable cascading protection (i.e. protect pages included in this page)',
161                                         'Ignored if not all protection levels are \'sysop\' or \'protect\'' ),
162                         'watch' => 'If set, add the page being (un)protected to your watchlist',
163                 );
164         }
165
166         public function getDescription() {
167                 return array(
168                         'Change the protection level of a page.'
169                 );
170         }
171         
172         public function getPossibleErrors() {
173                 return array_merge( parent::getPossibleErrors(), array(
174                         array( 'missingparam', 'title' ),
175                         array( 'missingparam', 'protections' ),
176                         array( 'invalidtitle', 'title' ),
177                         array( 'toofewexpiries', 'noofexpiries', 'noofprotections' ),
178                         array( 'create-titleexists' ),
179                         array( 'missingtitle-createonly' ),
180                         array( 'protect-invalidaction', 'action' ),
181                         array( 'protect-invalidlevel', 'level' ),
182                         array( 'invalidexpiry', 'expiry' ),
183                         array( 'pastexpiry', 'expiry' ),
184                 ) );
185         }
186         
187         public function needsToken() {
188                 return true;
189         }
190
191         public function getTokenSalt() {
192                 return '';
193         }
194
195         protected function getExamples() {
196                 return array (
197                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=sysop|move=sysop&cascade&expiry=20070901163000|never',
198                         'api.php?action=protect&title=Main%20Page&token=123ABC&protections=edit=all|move=all&reason=Lifting%20restrictions'
199                 );
200         }
201
202         public function getVersion() {
203                 return __CLASS__ . ': $Id: ApiProtect.php 74217 2010-10-03 15:53:07Z reedy $';
204         }
205 }