3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET')) {
25 * @package OStatusPlugin
26 * @author James Walker <james@status.net>
28 class GroupsalmonAction extends SalmonAction
32 function prepare($args)
34 parent::prepare($args);
36 $id = $this->trimmed('id');
39 // TRANS: Client error.
40 $this->clientError(_m('No ID.'));
43 $this->group = User_group::getKV('id', $id);
45 if (empty($this->group)) {
46 // TRANS: Client error.
47 $this->clientError(_m('No such group.'));
51 $this->target = $this->group;
53 $oprofile = Ostatus_profile::getKV('group_id', $id);
55 // TRANS: Client error.
56 $this->clientError(_m('Cannot accept remote posts for a remote group.'));
63 * We've gotten a post event on the Salmon backchannel, probably a reply.
67 // @fixme process all objects?
68 switch ($this->activity->objects[0]->type) {
69 case ActivityObject::ARTICLE:
70 case ActivityObject::BLOGENTRY:
71 case ActivityObject::NOTE:
72 case ActivityObject::STATUS:
73 case ActivityObject::COMMENT:
76 // TRANS: Client exception.
77 throw new ClientException('Cannot handle that kind of post.');
80 // Notice must be to the attention of this group
81 if (empty($this->activity->context->attention)) {
82 // TRANS: Client exception.
83 throw new ClientException("Not to the attention of anyone.");
85 $uri = common_local_url('groupbyid', array('id' => $this->group->id));
87 if (!array_key_exists($uri, $this->activity->context->attention)) {
88 // TRANS: Client exception.
89 throw new ClientException("Not to the attention of this group.");
93 $profile = $this->ensureProfile();
98 * We've gotten a follow/subscribe notification from a remote user.
99 * Save a subscription relationship for them.
103 * Postel's law: consider a "follow" notification as a "join".
105 function handleFollow()
111 * Postel's law: consider an "unfollow" notification as a "leave".
113 function handleUnfollow()
115 $this->handleLeave();
119 * A remote user joined our group.
120 * @fixme move permission checks and event call into common code,
121 * currently we're doing the main logic in joingroup action
122 * and so have to repeat it here.
124 function handleJoin()
126 $oprofile = $this->ensureProfile();
128 // TRANS: Client error.
129 $this->clientError(_m('Cannot read profile to set up group membership.'));
131 if ($oprofile->isGroup()) {
132 // TRANS: Client error.
133 $this->clientError(_m('Groups cannot join groups.'));
136 common_log(LOG_INFO, "Remote profile {$oprofile->uri} joining local group {$this->group->nickname}");
137 $profile = $oprofile->localProfile();
139 if ($profile->isMember($this->group)) {
140 // Already a member; we'll take it silently to aid in resolving
141 // inconsistencies on the other side.
145 if (Group_block::isBlocked($this->group, $profile)) {
146 // TRANS: Client error displayed when trying to join a group the user is blocked from by a group admin.
147 $this->clientError(_m('You have been blocked from that group by the admin.'), 403);
151 $profile->joinGroup($this->group);
152 } catch (Exception $e) {
153 // TRANS: Server error. %1$s is a profile URI, %2$s is a group nickname.
154 $this->serverError(sprintf(_m('Could not join remote user %1$s to group %2$s.'),
155 $oprofile->uri, $this->group->nickname));
160 * A remote user left our group.
162 function handleLeave()
164 $oprofile = $this->ensureProfile();
166 // TRANS: Client error displayed when group membership cannot be cancelled
167 // TRANS: because the remote profile could not be read.
168 $this->clientError(_m('Cannot read profile to cancel group membership.'));
170 if ($oprofile->isGroup()) {
171 // TRANS: Client error displayed when trying to have a group join another group.
172 $this->clientError(_m('Groups cannot join groups.'));
175 common_log(LOG_INFO, "Remote profile {$oprofile->uri} leaving local group {$this->group->nickname}");
176 $profile = $oprofile->localProfile();
179 $profile->leaveGroup($this->group);
180 } catch (Exception $e) {
181 // TRANS: Server error. %1$s is a profile URI, %2$s is a group nickname.
182 $this->serverError(sprintf(_m('Could not remove remote user %1$s from group %2$s.'),
183 $oprofile->uri, $this->group->nickname));