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
213
214
215
216
217
218
219
220
221
222
223
224
|
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Single subscription
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category AtomPub
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
require_once INSTALLDIR . '/lib/apiauth.php';
/**
* Show a single subscription
*
* @category AtomPub
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class AtompubshowsubscriptionAction extends ApiAuthAction
{
private $_subscriber = null;
private $_subscribed = null;
private $_subscription = null;
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
$subscriberId = $this->trimmed('subscriber');
$this->_subscriber = Profile::staticGet('id', $subscriberId);
if (empty($this->_subscriber)) {
throw new ClientException(sprintf(_('No such profile id: %d'),
$subscriberId), 404);
}
$subscribedId = $this->trimmed('subscribed');
$this->_subscribed = Profile::staticGet('id', $subscribedId);
if (empty($this->_subscribed)) {
throw new ClientException(sprintf(_('No such profile id: %d'),
$subscribedId), 404);
}
$this->_subscription =
Subscription::pkeyGet(array('subscriber' => $subscriberId,
'subscribed' => $subscribedId));
if (empty($this->_subscription)) {
$msg = sprintf(_('Profile %d not subscribed to profile %d'),
$subscriberId, $subscribedId);
throw new ClientException($msg, 404);
}
return true;
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
switch ($_SERVER['REQUEST_METHOD']) {
case 'GET':
$this->showSubscription();
break;
case 'DELETE':
$this->deleteSubscription();
break;
default:
$this->clientError(_('HTTP method not supported.'), 405);
return;
}
return;
}
/**
* Show the subscription in ActivityStreams Atom format.
*
* @return void
*/
function showSubscription()
{
$activity = $this->_subscription->asActivity();
header('Content-Type: application/atom+xml; charset=utf-8');
$this->startXML();
$this->raw($activity->asString(true, true, true));
$this->endXML();
return;
}
/**
* Delete the subscription
*
* @return void
*/
function deleteSubscription()
{
if (empty($this->auth_user) ||
$this->auth_user->id != $this->_subscriber->id) {
throw new ClientException(_("Can't delete someone else's".
" subscription"), 403);
}
Subscription::cancel($this->_subscriber,
$this->_subscribed);
return;
}
/**
* Is this action read only?
*
* @param array $args other arguments
*
* @return boolean true
*/
function isReadOnly($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
return false;
} else {
return true;
}
}
/**
* Return last modified, if applicable.
*
* MAY override
*
* @return string last modified http header
*/
function lastModified()
{
return max(strtotime($this->_subscriber->modified),
strtotime($this->_subscribed->modified),
strtotime($this->_subscription->modified));
}
/**
* Etag for this object
*
* @return string etag http header
*/
function etag()
{
$mtime = strtotime($this->_subscription->modified);
return 'W/"' . implode(':', array('AtomPubShowSubscription',
$this->_subscriber->id,
$this->_subscribed->id,
$mtime)) . '"';
}
/**
* Does this require authentication?
*
* @return boolean true if delete, else false
*/
function requiresAuth()
{
if ($_SERVER['REQUEST_METHOD'] == 'DELETE') {
return true;
} else {
return false;
}
}
}
|