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
|
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* 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/>.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Brion Vibber <brion@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* Takes parameters:
*
* - feed: a profile ID
* - token: session token to prevent CSRF attacks
* - ajax: boolean; whether to return Ajax or full-browser results
*
* Only works if the current user is logged in.
*
* @category Action
* @package StatusNet
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
* @link http://status.net/
*/
abstract class BaseMirrorAction extends Action
{
var $user;
var $profile;
/**
* Check pre-requisites and instantiate attributes
*
* @param Array $args array of arguments (URL, GET, POST)
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
return $this->sharedBoilerplate();
}
protected function validateFeedUrl($url)
{
if (common_valid_http_url($url)) {
return $url;
} else {
$this->clientError(_m("Invalid feed URL."));
}
}
protected function validateProfile($id)
{
$id = intval($id);
$profile = Profile::staticGet('id', $id);
if ($profile && $profile->id != $this->user->id) {
return $profile;
}
// TRANS: Error message returned to user when setting up feed mirroring, but we were unable to resolve the given URL to a working feed.
$this->clientError(_m("Invalid profile for mirroring."));
}
/**
*
* @param string $url
* @return Profile
*/
protected function profileForFeed($url)
{
try {
// Maybe we got a web page?
$oprofile = Ostatus_profile::ensureProfileURL($url);
} catch (Exception $e) {
// Direct feed URL?
$oprofile = Ostatus_profile::ensureFeedURL($url);
}
if ($oprofile->isGroup()) {
$this->clientError(_m("Can't mirror a StatusNet group at this time."));
}
$this->oprofile = $oprofile; // @fixme ugly side effect :D
return $oprofile->localProfile();
}
/**
* @fixme none of this belongs in end classes
* this stuff belongs in shared code!
*/
function sharedBoilerplate()
{
// Only allow POST requests
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->clientError(_('This action only accepts POST requests.'));
return false;
}
// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$this->clientError(_('There was a problem with your session token.'.
' Try again, please.'));
return false;
}
// Only for logged-in users
$this->user = common_current_user();
if (empty($this->user)) {
$this->clientError(_('Not logged in.'));
return false;
}
return true;
}
/**
* Handle request
*
* Does the subscription and returns results.
*
* @param Array $args unused.
*
* @return void
*/
function handle($args)
{
// Throws exception on error
$this->saveMirror();
if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
$this->element('title', null, _('Subscribed'));
$this->elementEnd('head');
$this->elementStart('body');
$unsubscribe = new EditMirrorForm($this, $this->profile);
$unsubscribe->show();
$this->elementEnd('body');
$this->elementEnd('html');
} else {
$url = common_local_url('mirrorsettings');
common_redirect($url, 303);
}
}
abstract function saveMirror();
}
|
