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1<?php
2
3/**
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 * http://www.gnu.org/copyleft/gpl.html
18 *
19 * @file
20 */
21
22use Wikimedia\ParamValidator\ParamValidator;
23
24/**
25 * @ingroup API
26 * @since 1.25
27 */
28class ApiManageTags extends ApiBase {
29
30    public function execute() {
31        $params = $this->extractRequestParams();
32        $authority = $this->getAuthority();
33
34        // make sure the user is allowed
35        if ( $params['operation'] !== 'delete'
36            && !$authority->isAllowed( 'managechangetags' )
37        ) {
38            $this->dieWithError( 'tags-manage-no-permission', 'permissiondenied' );
39        } elseif ( !$authority->isAllowed( 'deletechangetags' ) ) {
40            $this->dieWithError( 'tags-delete-no-permission', 'permissiondenied' );
41        }
42
43        // Check if user can add the log entry tags which were requested
44        if ( $params['tags'] ) {
45            $ableToTag = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $authority );
46            if ( !$ableToTag->isOK() ) {
47                $this->dieStatus( $ableToTag );
48            }
49        }
50
51        $result = $this->getResult();
52        $tag = $params['tag'];
53        $reason = $params['reason'];
54        $ignoreWarnings = $params['ignorewarnings'];
55        $tags = $params['tags'] ?: [];
56        switch ( $params['operation'] ) {
57            case 'create':
58                $status = ChangeTags::createTagWithChecks( $tag, $reason, $authority, $ignoreWarnings, $tags );
59                break;
60            case 'delete':
61                $status = ChangeTags::deleteTagWithChecks( $tag, $reason, $authority, $ignoreWarnings, $tags );
62                break;
63            case 'activate':
64                $status = ChangeTags::activateTagWithChecks( $tag, $reason, $authority, $ignoreWarnings, $tags );
65                break;
66            case 'deactivate':
67                $status = ChangeTags::deactivateTagWithChecks( $tag, $reason, $authority, $ignoreWarnings, $tags );
68                break;
69            default:
70                // unreachable
71                throw new UnexpectedValueException( 'invalid operation' );
72        }
73        if ( !$status->isOK() ) {
74            $this->dieStatus( $status );
75        }
76
77        $ret = [
78            'operation' => $params['operation'],
79            'tag' => $params['tag'],
80        ];
81        if ( !$status->isGood() ) {
82            $ret['warnings'] = $this->getErrorFormatter()->arrayFromStatus( $status, 'warning' );
83        }
84        $ret['success'] = $status->value !== null;
85        if ( $ret['success'] ) {
86            $ret['logid'] = $status->value;
87        }
88
89        $result->addValue( null, $this->getModuleName(), $ret );
90    }
91
92    public function mustBePosted() {
93        return true;
94    }
95
96    public function isWriteMode() {
97        return true;
98    }
99
100    public function getAllowedParams() {
101        return [
102            'operation' => [
103                ParamValidator::PARAM_TYPE => [ 'create', 'delete', 'activate', 'deactivate' ],
104                ParamValidator::PARAM_REQUIRED => true,
105                ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
106            ],
107            'tag' => [
108                ParamValidator::PARAM_TYPE => 'string',
109                ParamValidator::PARAM_REQUIRED => true,
110            ],
111            'reason' => [
112                ParamValidator::PARAM_TYPE => 'string',
113                ParamValidator::PARAM_DEFAULT => '',
114            ],
115            'ignorewarnings' => [
116                ParamValidator::PARAM_TYPE => 'boolean',
117                ParamValidator::PARAM_DEFAULT => false,
118            ],
119            'tags' => [
120                ParamValidator::PARAM_TYPE => 'tags',
121                ParamValidator::PARAM_ISMULTI => true,
122            ],
123        ];
124    }
125
126    public function needsToken() {
127        return 'csrf';
128    }
129
130    protected function getExamplesMessages() {
131        return [
132            'action=managetags&operation=create&tag=spam&reason=For+use+in+edit+patrolling&token=123ABC'
133                => 'apihelp-managetags-example-create',
134            'action=managetags&operation=delete&tag=vandlaism&reason=Misspelt&token=123ABC'
135                => 'apihelp-managetags-example-delete',
136            'action=managetags&operation=activate&tag=spam&reason=For+use+in+edit+patrolling&token=123ABC'
137                => 'apihelp-managetags-example-activate',
138            'action=managetags&operation=deactivate&tag=spam&reason=No+longer+required&token=123ABC'
139                => 'apihelp-managetags-example-deactivate',
140        ];
141    }
142
143    public function getHelpUrls() {
144        return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Tag_management';
145    }
146}