1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
<?php
/**
* Session provider for bot passwords
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Session
*/
namespace MediaWiki\Session;
use BotPassword;
use User;
use WebRequest;
/**
* Session provider for bot passwords
* @since 1.27
*/
class BotPasswordSessionProvider extends ImmutableSessionProviderWithCookie {
/**
* @param array $params Keys include:
* - priority: (required) Set the priority
* - sessionCookieName: Session cookie name. Default is '_BPsession'.
* - sessionCookieOptions: Options to pass to WebResponse::setCookie().
*/
public function __construct( array $params = [] ) {
if ( !isset( $params['sessionCookieName'] ) ) {
$params['sessionCookieName'] = '_BPsession';
}
parent::__construct( $params );
if ( !isset( $params['priority'] ) ) {
throw new \InvalidArgumentException( __METHOD__ . ': priority must be specified' );
}
if ( $params['priority'] < SessionInfo::MIN_PRIORITY ||
$params['priority'] > SessionInfo::MAX_PRIORITY
) {
throw new \InvalidArgumentException( __METHOD__ . ': Invalid priority' );
}
$this->priority = $params['priority'];
}
public function provideSessionInfo( WebRequest $request ) {
// Only relevant for the API
if ( !defined( 'MW_API' ) ) {
return null;
}
// Enabled?
if ( !$this->config->get( 'EnableBotPasswords' ) ) {
return null;
}
// Have a session ID?
$id = $this->getSessionIdFromCookie( $request );
if ( $id === null ) {
return null;
}
return new SessionInfo( $this->priority, [
'provider' => $this,
'id' => $id,
'persisted' => true
] );
}
public function newSessionInfo( $id = null ) {
// We don't activate by default
return null;
}
/**
* Create a new session for a request
* @param User $user
* @param BotPassword $bp
* @param WebRequest $request
* @return Session
*/
public function newSessionForRequest( User $user, BotPassword $bp, WebRequest $request ) {
$id = $this->getSessionIdFromCookie( $request );
$info = new SessionInfo( SessionInfo::MAX_PRIORITY, [
'provider' => $this,
'id' => $id,
'userInfo' => UserInfo::newFromUser( $user, true ),
'persisted' => $id !== null,
'metadata' => [
'centralId' => $bp->getUserCentralId(),
'appId' => $bp->getAppId(),
'token' => $bp->getToken(),
'rights' => \MWGrants::getGrantRights( $bp->getGrants() ),
],
] );
$session = $this->getManager()->getSessionFromInfo( $info, $request );
$session->persist();
return $session;
}
public function refreshSessionInfo( SessionInfo $info, WebRequest $request, &$metadata ) {
$missingKeys = array_diff(
[ 'centralId', 'appId', 'token' ],
array_keys( $metadata )
);
if ( $missingKeys ) {
$this->logger->info( 'Session "{session}": Missing metadata: {missing}', [
'session' => $info,
'missing' => implode( ', ', $missingKeys ),
] );
return false;
}
$bp = BotPassword::newFromCentralId( $metadata['centralId'], $metadata['appId'] );
if ( !$bp ) {
$this->logger->info(
'Session "{session}": No BotPassword for {centralId} {appId}',
[
'session' => $info,
'centralId' => $metadata['centralId'],
'appId' => $metadata['appId'],
] );
return false;
}
if ( !hash_equals( $metadata['token'], $bp->getToken() ) ) {
$this->logger->info( 'Session "{session}": BotPassword token check failed', [
'session' => $info,
'centralId' => $metadata['centralId'],
'appId' => $metadata['appId'],
] );
return false;
}
$status = $bp->getRestrictions()->check( $request );
if ( !$status->isOK() ) {
$this->logger->info(
'Session "{session}": Restrictions check failed',
[
'session' => $info,
'restrictions' => $status->getValue(),
'centralId' => $metadata['centralId'],
'appId' => $metadata['appId'],
] );
return false;
}
// Update saved rights
$metadata['rights'] = \MWGrants::getGrantRights( $bp->getGrants() );
return true;
}
/**
* @codeCoverageIgnore
*/
public function preventSessionsForUser( $username ) {
BotPassword::removeAllPasswordsForUser( $username );
}
public function getAllowedUserRights( SessionBackend $backend ) {
if ( $backend->getProvider() !== $this ) {
throw new \InvalidArgumentException( 'Backend\'s provider isn\'t $this' );
}
$data = $backend->getProviderMetadata();
if ( $data && isset( $data['rights'] ) && is_array( $data['rights'] ) ) {
return $data['rights'];
}
// Should never happen
$this->logger->debug( __METHOD__ . ': No provider metadata, returning no rights allowed' );
return [];
}
}
|
