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('GNUSOCIAL')) { exit(1); }
23 * @package OStatusPlugin
24 * @author James Walker <james@status.net>
26 class UsersalmonAction extends SalmonAction
28 protected function prepare(array $args=array())
30 parent::prepare($args);
32 $id = $this->trimmed('id');
35 // TRANS: Client error displayed trying to perform an action without providing an ID.
36 $this->clientError(_m('No ID.'));
39 $this->user = User::getKV('id', $id);
41 if (!$this->user instanceof User) {
42 // TRANS: Client error displayed when referring to a non-existing user.
43 $this->clientError(_m('No such user.'));
46 $this->target = $this->user;
52 * We've gotten a post event on the Salmon backchannel, probably a reply.
54 * @todo validate if we need to handle this post, then call into
55 * ostatus_profile's general incoming-post handling.
59 common_log(LOG_INFO, "Received post of '{$this->activity->objects[0]->id}' from '{$this->activity->actor->id}'");
61 // @fixme: process all activity objects?
62 switch ($this->activity->objects[0]->type) {
63 case ActivityObject::ARTICLE:
64 case ActivityObject::BLOGENTRY:
65 case ActivityObject::NOTE:
66 case ActivityObject::STATUS:
67 case ActivityObject::COMMENT:
70 // TRANS: Client exception thrown when an undefied activity is performed.
71 throw new ClientException(_m('Cannot handle that kind of post.'));
74 // Notice must either be a) in reply to a notice by this user
75 // or b) in reply to a notice to the attention of this user
76 // or c) to the attention of this user
78 $context = $this->activity->context;
81 if (!empty($context->replyToID)) {
82 $notice = Notice::getKV('uri', $context->replyToID);
85 if ($notice instanceof Notice &&
86 ($notice->profile_id == $this->user->id ||
87 array_key_exists($this->user->id, $notice->getReplies())))
89 // In reply to a notice either from or mentioning this user.
90 } elseif (!empty($context->attention) &&
91 array_key_exists($this->user->getUri(), $context->attention)) {
93 // To the attention of this user.
95 // TRANS: Client exception.
96 throw new ClientException(_m('Not to anyone in reply to anything.'));
99 $existing = Notice::getKV('uri', $this->activity->objects[0]->id);
100 if ($existing instanceof Notice) {
101 common_log(LOG_ERR, "Not saving notice with duplicate URI '".$existing->getUri()."' (seems it already exists).");
109 * We've gotten a follow/subscribe notification from a remote user.
110 * Save a subscription relationship for them.
112 function handleFollow()
114 $oprofile = $this->ensureProfile();
115 if ($oprofile instanceof Ostatus_profile) {
116 common_log(LOG_INFO, sprintf('Setting up subscription from remote %s to local %s', $oprofile->getUri(), $this->user->getNickname()));
117 Subscription::start($oprofile->localProfile(),
118 $this->user->getProfile());
120 common_log(LOG_INFO, "Can't set up subscription from remote; missing profile.");
125 * We've gotten an unfollow/unsubscribe notification from a remote user.
126 * Check if we have a subscription relationship for them and kill it.
128 * @fixme probably catch exceptions on fail?
130 function handleUnfollow()
132 $oprofile = $this->ensureProfile();
133 if ($oprofile instanceof Ostatus_profile) {
134 common_log(LOG_INFO, sprintf('Canceling subscription from remote %s to local %s', $oprofile->getUri(), $this->user->getNickname()));
136 Subscription::cancel($oprofile->localProfile(), $this->user->getProfile());
137 } catch (AlreadyFulfilledException $e) {
138 common_debug('Subscription did not exist, so there was nothing to cancel');
141 common_log(LOG_ERR, "Can't cancel subscription from remote, didn't find the profile");
146 * Remote user likes one of our posts.
147 * Confirm the post is ours, and save a local favorite event.
150 function handleFavorite()
152 $notice = $this->getNotice($this->activity->objects[0]);
153 $profile = $this->ensureProfile()->localProfile();
155 $old = Fave::pkeyGet(array('user_id' => $profile->id,
156 'notice_id' => $notice->id));
158 if ($old instanceof Fave) {
159 // TRANS: Client exception.
160 throw new ClientException(_m('This is already a favorite.'));
163 if (!Fave::addNew($profile, $notice)) {
164 // TRANS: Client exception.
165 throw new ClientException(_m('Could not save new favorite.'));
170 * Remote user doesn't like one of our posts after all!
171 * Confirm the post is ours, and save a local favorite event.
173 function handleUnfavorite()
175 $notice = $this->getNotice($this->activity->objects[0]);
176 $profile = $this->ensureProfile()->localProfile();
178 $fave = Fave::pkeyGet(array('user_id' => $profile->id,
179 'notice_id' => $notice->id));
180 if (!$fave instanceof Fave) {
181 // TRANS: Client exception.
182 throw new ClientException(_m('Notice was not favorited!'));
190 if ($this->activity->target->type == ActivityObject::_LIST) {
191 if ($this->activity->objects[0]->type != ActivityObject::PERSON) {
192 // TRANS: Client exception.
193 throw new ClientException(_m('Not a person object.'));
195 // this is a peopletag
196 $tagged = User::getKV('uri', $this->activity->objects[0]->id);
198 if (!$tagged instanceof User) {
199 // TRANS: Client exception.
200 throw new ClientException(_m('Unidentified profile being listed.'));
203 if ($tagged->id !== $this->user->id) {
204 // TRANS: Client exception.
205 throw new ClientException(_m('This user is not the one being listed.'));
209 $tagger = $this->ensureProfile();
210 $list = Ostatus_profile::ensureActivityObjectProfile($this->activity->target);
212 $ptag = $list->localPeopletag();
213 $result = Profile_tag::setTag($ptag->tagger, $tagged->id, $ptag->tag);
215 // TRANS: Client exception.
216 throw new ClientException(_m('The listing could not be saved.'));
221 function handleUntag()
223 if ($this->activity->target->type == ActivityObject::_LIST) {
224 if ($this->activity->objects[0]->type != ActivityObject::PERSON) {
225 // TRANS: Client exception.
226 throw new ClientException(_m('Not a person object.'));
229 // this is a peopletag
230 $tagged = User::getKV('uri', $this->activity->objects[0]->id);
232 if (!$tagged instanceof User) {
233 // TRANS: Client exception.
234 throw new ClientException(_m('Unidentified profile being unlisted.'));
237 if ($tagged->id !== $this->user->id) {
238 // TRANS: Client exception.
239 throw new ClientException(_m('This user is not the one being unlisted.'));
243 $tagger = $this->ensureProfile();
244 $list = Ostatus_profile::ensureActivityObjectProfile($this->activity->target);
246 $ptag = $list->localPeopletag();
247 $result = Profile_tag::unTag($ptag->tagger, $tagged->id, $ptag->tag);
250 // TRANS: Client exception.
251 throw new ClientException(_m('The listing could not be deleted.'));
257 * @param ActivityObject $object
259 * @throws ClientException on invalid input
261 function getNotice(ActivityObject $object)
263 switch ($object->type) {
264 case ActivityObject::ARTICLE:
265 case ActivityObject::BLOGENTRY:
266 case ActivityObject::NOTE:
267 case ActivityObject::STATUS:
268 case ActivityObject::COMMENT:
271 // TRANS: Client exception.
272 throw new ClientException(_m('Cannot handle that kind of object for liking/faving.'));
275 $notice = Notice::getKV('uri', $object->id);
277 if (!$notice instanceof Notice) {
278 // TRANS: Client exception. %s is an object ID.
279 throw new ClientException(sprintf(_m('Notice with ID %s unknown.'),$object->id));
282 if ($notice->profile_id != $this->user->id) {
283 // TRANS: Client exception. %1$s is a notice ID, %2$s is a user ID.
284 throw new ClientException(sprintf(_m('Notice with ID %1$s not posted by %2$s.'),$object->id,$this->user->id));