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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
<?php
/**
* Performs the watch actions on a page
*
* 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
*
* @file
* @ingroup Actions
*/
/**
* Page addition to a user's watchlist
*
* @ingroup Actions
*/
class WatchAction extends FormAction {
public function getName() {
return 'watch';
}
public function requiresUnblock() {
return false;
}
protected function getDescription() {
return $this->msg( 'addwatch' )->escaped();
}
/**
* Just get an empty form with a single submit button
* @return array
*/
protected function getFormFields() {
return array();
}
public function onSubmit( $data ) {
wfProfileIn( __METHOD__ );
self::doWatch( $this->getTitle(), $this->getUser() );
wfProfileOut( __METHOD__ );
return true;
}
/**
* This can be either formed or formless depending on the session token given
*/
public function show() {
$this->setHeaders();
$user = $this->getUser();
// This will throw exceptions if there's a problem
$this->checkCanExecute( $user );
// Must have valid token for this action/title
$salt = array( $this->getName(), $this->getTitle()->getDBkey() );
if ( $user->matchEditToken( $this->getRequest()->getVal( 'token' ), $salt ) ) {
$this->onSubmit( array() );
$this->onSuccess();
} else {
$form = $this->getForm();
if ( $form->show() ) {
$this->onSuccess();
}
}
}
protected function checkCanExecute( User $user ) {
// Must be logged in
if ( $user->isAnon() ) {
throw new UserNotLoggedIn( 'watchlistanontext', 'watchnologin' );
}
parent::checkCanExecute( $user );
}
/**
* Watch or unwatch a page
* @since 1.22
* @param bool $watch Whether to watch or unwatch the page
* @param Title $title Page to watch/unwatch
* @param User $user User who is watching/unwatching
* @return Status
*/
public static function doWatchOrUnwatch( $watch, Title $title, User $user ) {
if ( $user->isLoggedIn() &&
$user->isWatched( $title, WatchedItem::IGNORE_USER_RIGHTS ) != $watch
) {
// If the user doesn't have 'editmywatchlist', we still want to
// allow them to add but not remove items via edits and such.
if ( $watch ) {
return self::doWatch( $title, $user, WatchedItem::IGNORE_USER_RIGHTS );
} else {
return self::doUnwatch( $title, $user );
}
}
return Status::newGood();
}
/**
* Watch a page
* @since 1.22 Returns Status, $checkRights parameter added
* @param Title $title Page to watch/unwatch
* @param User $user User who is watching/unwatching
* @param int $checkRights Passed through to $user->addWatch()
* @return Status
*/
public static function doWatch( Title $title, User $user,
$checkRights = WatchedItem::CHECK_USER_RIGHTS
) {
if ( $checkRights !== WatchedItem::IGNORE_USER_RIGHTS &&
!$user->isAllowed( 'editmywatchlist' )
) {
return User::newFatalPermissionDeniedStatus( 'editmywatchlist' );
}
$page = WikiPage::factory( $title );
$status = Status::newFatal( 'hookaborted' );
if ( wfRunHooks( 'WatchArticle', array( &$user, &$page, &$status ) ) ) {
$status = Status::newGood();
$user->addWatch( $title, $checkRights );
wfRunHooks( 'WatchArticleComplete', array( &$user, &$page ) );
}
return $status;
}
/**
* Unwatch a page
* @since 1.22 Returns Status
* @param Title $title Page to watch/unwatch
* @param User $user User who is watching/unwatching
* @return Status
*/
public static function doUnwatch( Title $title, User $user ) {
if ( !$user->isAllowed( 'editmywatchlist' ) ) {
return User::newFatalPermissionDeniedStatus( 'editmywatchlist' );
}
$page = WikiPage::factory( $title );
$status = Status::newFatal( 'hookaborted' );
if ( wfRunHooks( 'UnwatchArticle', array( &$user, &$page, &$status ) ) ) {
$status = Status::newGood();
$user->removeWatch( $title );
wfRunHooks( 'UnwatchArticleComplete', array( &$user, &$page ) );
}
return $status;
}
/**
* Get token to watch (or unwatch) a page for a user
*
* @param Title $title Title object of page to watch
* @param User $user User for whom the action is going to be performed
* @param string $action Optionally override the action to 'unwatch'
* @return string Token
* @since 1.18
*/
public static function getWatchToken( Title $title, User $user, $action = 'watch' ) {
if ( $action != 'unwatch' ) {
$action = 'watch';
}
$salt = array( $action, $title->getPrefixedDBkey() );
// This token stronger salted and not compatible with ApiWatch
// It's title/action specific because index.php is GET and API is POST
return $user->getEditToken( $salt );
}
/**
* Get token to unwatch (or watch) a page for a user
*
* @param Title $title Title object of page to unwatch
* @param User $user User for whom the action is going to be performed
* @param string $action Optionally override the action to 'watch'
* @return string Token
* @since 1.18
*/
public static function getUnwatchToken( Title $title, User $user, $action = 'unwatch' ) {
return self::getWatchToken( $title, $user, $action );
}
protected function alterForm( HTMLForm $form ) {
$form->setSubmitTextMsg( 'confirm-watch-button' );
}
protected function preText() {
return $this->msg( 'confirm-watch-top' )->parse();
}
public function onSuccess() {
$this->getOutput()->addWikiMsg( 'addedwatchtext', $this->getTitle()->getPrefixedText() );
}
}
|
