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
/*
* 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/>.
*/
/**
* @package OStatusPlugin
* @author James Walker <james@status.net>
*/
if (!defined('STATUSNET')) {
exit(1);
}
class GroupsalmonAction extends SalmonAction
{
var $group = null;
function prepare($args)
{
parent::prepare($args);
$id = $this->trimmed('id');
if (!$id) {
$this->clientError(_('No ID.'));
}
$this->group = User_group::staticGet('id', $id);
if (empty($this->group)) {
$this->clientError(_('No such group.'));
}
$oprofile = Ostatus_profile::staticGet('group_id', $id);
if ($oprofile) {
$this->clientError(_m("Can't accept remote posts for a remote group."));
}
return true;
}
/**
* We've gotten a post event on the Salmon backchannel, probably a reply.
*/
function handlePost()
{
switch ($this->act->object->type) {
case ActivityObject::ARTICLE:
case ActivityObject::BLOGENTRY:
case ActivityObject::NOTE:
case ActivityObject::STATUS:
case ActivityObject::COMMENT:
break;
default:
throw new ClientException("Can't handle that kind of post.");
}
// Notice must be to the attention of this group
$context = $this->act->context;
if (empty($context->attention)) {
throw new ClientException("Not to the attention of anyone.");
} else {
$uri = common_local_url('groupbyid', array('id' => $this->group->id));
if (!in_array($uri, $context->attention)) {
throw new ClientException("Not to the attention of this group.");
}
}
$profile = $this->ensureProfile();
$this->saveNotice();
}
/**
* We've gotten a follow/subscribe notification from a remote user.
* Save a subscription relationship for them.
*/
/**
* Postel's law: consider a "follow" notification as a "join".
*/
function handleFollow()
{
$this->handleJoin();
}
/**
* Postel's law: consider an "unfollow" notification as a "leave".
*/
function handleUnfollow()
{
$this->handleLeave();
}
/**
* A remote user joined our group.
* @fixme move permission checks and event call into common code,
* currently we're doing the main logic in joingroup action
* and so have to repeat it here.
*/
function handleJoin()
{
$oprofile = $this->ensureProfile();
if (!$oprofile) {
$this->clientError(_m("Can't read profile to set up group membership."));
}
if ($oprofile->isGroup()) {
$this->clientError(_m("Groups can't join groups."));
}
common_log(LOG_INFO, "Remote profile {$oprofile->uri} joining local group {$this->group->nickname}");
$profile = $oprofile->localProfile();
if ($profile->isMember($this->group)) {
// Already a member; we'll take it silently to aid in resolving
// inconsistencies on the other side.
return true;
}
if (Group_block::isBlocked($this->group, $profile)) {
$this->clientError(_('You have been blocked from that group by the admin.'), 403);
return false;
}
try {
// @fixme that event currently passes a user from main UI
// Event should probably move into Group_member::join
// and take a Profile object.
//
//if (Event::handle('StartJoinGroup', array($this->group, $profile))) {
Group_member::join($this->group->id, $profile->id);
//Event::handle('EndJoinGroup', array($this->group, $profile));
//}
} catch (Exception $e) {
$this->serverError(sprintf(_m('Could not join remote user %1$s to group %2$s.'),
$oprofile->uri, $this->group->nickname));
}
}
/**
* A remote user left our group.
*/
function handleLeave()
{
$oprofile = $this->ensureProfile();
if (!$oprofile) {
$this->clientError(_m("Can't read profile to cancel group membership."));
}
if ($oprofile->isGroup()) {
$this->clientError(_m("Groups can't join groups."));
}
common_log(LOG_INFO, "Remote profile {$oprofile->uri} leaving local group {$this->group->nickname}");
$profile = $oprofile->localProfile();
try {
// @fixme event needs to be refactored as above
//if (Event::handle('StartLeaveGroup', array($this->group, $profile))) {
Group_member::leave($this->group->id, $profile->id);
//Event::handle('EndLeaveGroup', array($this->group, $profile));
//}
} catch (Exception $e) {
$this->serverError(sprintf(_m('Could not remove remote user %1$s from group %2$s.'),
$oprofile->uri, $this->group->nickname));
return;
}
}
}
|
