--- /dev/null
+<?php
+/*
+ * GNU Social - a federating social network
+ * Copyright (C) 2014, Free Software Foundation, 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/>.
+ */
+
+if (!defined('GNUSOCIAL')) { exit(1); }
+
+/**
+ * @package Activity
+ * @maintainer Mikael Nordfeldth <mmn@hethane.se>
+ */
+class SharePlugin extends ActivityVerbHandlerPlugin
+{
+ public function tag()
+ {
+ return 'share';
+ }
+
+ public function types()
+ {
+ return array();
+ }
+
+ public function verbs()
+ {
+ return array(ActivityVerb::SHARE);
+ }
+
+ // Share is a bit special and $act->objects[0] should be an Activity
+ // instead of ActivityObject! Therefore also $act->objects[0]->type is not set.
+ public function isMyActivity(Activity $act) {
+ return (count($act->objects) == 1
+ && ($act->objects[0] instanceof Activity)
+ && $this->isMyVerb($act->verb));
+ }
+
+ public function onRouterInitialized(URLMapper $m)
+ {
+ // Web UI actions
+ $m->connect('main/repeat', array('action' => 'repeat'));
+
+ // Share for Twitter API ("Retweet")
+ $m->connect('api/statuses/retweeted_by_me.:format',
+ array('action' => 'ApiTimelineRetweetedByMe',
+ 'format' => '(xml|json|atom|as)'));
+
+ $m->connect('api/statuses/retweeted_to_me.:format',
+ array('action' => 'ApiTimelineRetweetedToMe',
+ 'format' => '(xml|json|atom|as)'));
+
+ $m->connect('api/statuses/retweets_of_me.:format',
+ array('action' => 'ApiTimelineRetweetsOfMe',
+ 'format' => '(xml|json|atom|as)'));
+
+ $m->connect('api/statuses/retweet/:id.:format',
+ array('action' => 'ApiStatusesRetweet',
+ 'id' => '[0-9]+',
+ 'format' => '(xml|json)'));
+
+ $m->connect('api/statuses/retweets/:id.:format',
+ array('action' => 'ApiStatusesRetweets',
+ 'id' => '[0-9]+',
+ 'format' => '(xml|json)'));
+ }
+
+ // FIXME: Set this to abstract public in lib/activityhandlerplugin.php when all plugins have migrated!
+ protected function saveObjectFromActivity(Activity $act, Notice $stored, array $options=array())
+ {
+ assert($this->isMyActivity($act));
+
+ // The below algorithm is mainly copied from the previous Ostatus_profile->processShare()
+
+ if (count($act->objects) !== 1) {
+ // TRANS: Client exception thrown when trying to share multiple activities at once.
+ throw new ClientException(_m('Can only handle share activities with exactly one object.'));
+ }
+
+ $shared = $act->objects[0];
+ if (!$shared instanceof Activity) {
+ // TRANS: Client exception thrown when trying to share a non-activity object.
+ throw new ClientException(_m('Can only handle shared activities.'));
+ }
+
+ $sharedUri = $shared->id;
+ if (!empty($shared->objects[0]->id)) {
+ // Because StatusNet since commit 8cc4660 sets $shared->id to a TagURI which
+ // fucks up federation, because the URI is no longer recognised by the origin.
+ // So we set it to the object ID if it exists, otherwise we trust $shared->id
+ $sharedUri = $shared->objects[0]->id;
+ }
+ if (empty($sharedUri)) {
+ throw new ClientException(_m('Shared activity does not have an id'));
+ }
+
+ try {
+ // First check if we have the shared activity. This has to be done first, because
+ // we can't use these functions to "ensureActivityObjectProfile" of a local user,
+ // who might be the creator of the shared activity in question.
+ $sharedNotice = Notice::getByUri($sharedUri);
+ } catch (NoResultException $e) {
+ // If no locally stored notice is found, process it!
+ // TODO: Remember to check Deleted_notice!
+ // TODO: If a post is shared that we can't retrieve - what to do?
+ $other = Ostatus_profile::ensureActivityObjectProfile($shared->actor);
+ $sharedNotice = $other->processActivity($shared, 'push'); // FIXME: push/salmon/what?
+ if (!$sharedNotice instanceof Notice) {
+ // And if we apparently can't get the shared notice, we'll abort the whole thing.
+ // TRANS: Client exception thrown when saving an activity share fails.
+ // TRANS: %s is a share ID.
+ throw new ClientException(sprintf(_m('Failed to save activity %s.'), $sharedUri));
+ }
+ } catch (FeedSubException $e) {
+ // Remote feed could not be found or verified, should we
+ // transform this into an "RT @user Blah, blah, blah..."?
+ common_log(LOG_INFO, __METHOD__ . ' got a ' . get_class($e) . ': ' . $e->getMessage());
+ return false;
+ }
+
+ // Setting this here because when the algorithm gets back to
+ // Notice::saveActivity it will update the Notice object.
+ $stored->repeat_of = $sharedNotice->getID();
+ $stored->conversation = $sharedNotice->conversation;
+ $stored->object_type = ActivityUtils::resolveUri(ActivityObject::ACTIVITY, true);
+
+ // We don't have to save a repeat in a separate table, we can
+ // find repeats by just looking at the notice.repeat_of field.
+
+ // By returning true here instead of something that evaluates
+ // to false, we show that we have processed everything properly.
+ return true;
+ }
+
+ // FIXME: Put this in lib/activityhandlerplugin.php when we're ready
+ // with the other microapps/activityhandlers as well.
+ // Also it should be StartNoticeAsActivity (with a prepped Activity, including ->context etc.)
+ public function onEndNoticeAsActivity(Notice $stored, Activity $act, Profile $scoped=null)
+ {
+ if (!$this->isMyNotice($stored)) {
+ return true;
+ }
+
+ common_debug('Extending activity '.$stored->id.' with '.get_called_class());
+ $this->extendActivity($stored, $act, $scoped);
+ return false;
+ }
+
+ public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
+ {
+ // TODO: How to handle repeats of deleted notices?
+ $target = Notice::getById($stored->repeat_of);
+ // TRANS: A repeat activity's title. %1$s is repeater's nickname
+ // and %2$s is the repeated user's nickname.
+ $act->title = sprintf(_('%1$s repeated a notice by %2$s'),
+ $stored->getProfile()->getNickname(),
+ $target->getProfile()->getNickname());
+ $act->objects[] = $target->asActivity($scoped);
+ }
+
+ public function activityObjectFromNotice(Notice $notice)
+ {
+ // Repeat is a little bit special. As it's an activity, our
+ // ActivityObject is instead turned into an Activity
+ $object = new Activity();
+ $object->verb = ActivityVerb::SHARE;
+ $object->content = $notice->rendered;
+ $this->extendActivity($stored, $act);
+
+ return $object;
+ }
+
+ public function deleteRelated(Notice $notice)
+ {
+ // No action needed as we don't have a separate table for share objects.
+ return true;
+ }
+
+ // Layout stuff
+
+ /**
+ * show a link to the author of repeat
+ *
+ * FIXME: Some repeat stuff still in lib/noticelistitem.php! ($nli->repeat etc.)
+ */
+ public function onEndShowNoticeInfo(NoticeListItem $nli)
+ {
+ if (!empty($nli->repeat)) {
+ $repeater = $nli->repeat->getProfile();
+
+ $attrs = array('href' => $repeater->getUrl(),
+ 'class' => 'h-card p-author',
+ 'title' => $repeater->getFancyName());
+
+ $nli->out->elementStart('span', 'repeat h-entry');
+
+ // TRANS: Addition in notice list item if notice was repeated. Followed by a span with a nickname.
+ $nli->out->raw(_('Repeated by').' ');
+
+ $nli->out->element('a', $attrs, $repeater->getNickname());
+
+ $nli->out->elementEnd('span');
+ }
+ }
+
+ public function onEndShowThreadedNoticeTailItems(NoticeListItem $nli, Notice $notice, &$threadActive)
+ {
+ if ($nli instanceof ThreadedNoticeListSubItem) {
+ // The sub-items are replies to a conversation, thus we use different HTML elements etc.
+ $item = new ThreadedNoticeListInlineRepeatsItem($notice, $nli->out);
+ } else {
+ $item = new ThreadedNoticeListRepeatsItem($notice, $nli->out);
+ }
+ $threadActive = $item->show() || $threadActive;
+ return true;
+ }
+
+ /**
+ * show the "repeat" form in the notice options element
+ * FIXME: Don't let a NoticeListItemAdapter slip in here (or extend that from NoticeListItem)
+ *
+ * @return void
+ */
+ public function onEndShowNoticeOptionItems($nli)
+ {
+ // FIXME: Use bitmasks (but be aware that PUBLIC_SCOPE is 0!)
+ if ($nli->notice->scope == Notice::PUBLIC_SCOPE ||
+ $nli->notice->scope == Notice::SITE_SCOPE) {
+ $scoped = Profile::current();
+ if ($scoped instanceof Profile &&
+ $scoped->getID() !== $nli->notice->getProfile()->getID()) {
+
+ if ($scoped->hasRepeated($nli->notice)) {
+ $nli->out->element('span', array('class' => 'repeated',
+ // TRANS: Title for repeat form status in notice list when a notice has been repeated.
+ 'title' => _('Notice repeated.')),
+ // TRANS: Repeat form status in notice list when a notice has been repeated.
+ _('Repeated'));
+ } else {
+ $repeat = new RepeatForm($nli->out, $nli->notice);
+ $repeat->show();
+ }
+ }
+ }
+ }
+
+ public function showNoticeListItem(NoticeListItem $nli)
+ {
+ // pass
+ }
+ public function openNoticeListItemElement(NoticeListItem $nli)
+ {
+ // pass
+ }
+ public function closeNoticeListItemElement(NoticeListItem $nli)
+ {
+ // pass
+ }
+
+ // API stuff
+
+ /**
+ * Typically just used to fill out Twitter-compatible API status data.
+ *
+ * FIXME: Make all the calls before this end up with a Notice instead of ArrayWrapper please...
+ */
+ public function onNoticeSimpleStatusArray($notice, array &$status, Profile $scoped=null, array $args=array())
+ {
+ $status['repeated'] = $scoped instanceof Profile
+ ? $scoped->hasRepeated($notice)
+ : false;
+
+ if ($status['repeated'] === true) {
+ // Qvitter API wants the "repeated_id" value set too.
+ $repeated = Notice::pkeyGet(array('profile_id' => $scoped->getID(),
+ 'repeat_of' => $notice->getID()));
+ $status['repeated_id'] = $repeated->getID();
+ }
+ }
+
+ public function onTwitterUserArray(Profile $profile, array &$userdata, Profile $scoped=null, array $args=array())
+ {
+ $userdata['favourites_count'] = Fave::countByProfile($profile);
+ }
+
+ // Command stuff
+
+ /**
+ * EndInterpretCommand for RepeatPlugin will handle the 'repeat' command
+ * using the class RepeatCommand.
+ *
+ * @param string $cmd Command being run
+ * @param string $arg Rest of the message (including address)
+ * @param User $user User sending the message
+ * @param Command &$result The resulting command object to be run.
+ *
+ * @return boolean hook value
+ */
+ public function onStartInterpretCommand($cmd, $arg, $user, &$result)
+ {
+ if ($result === false && in_array($cmd, array('repeat', 'rp', 'rt', 'rd'))) {
+ if (empty($arg)) {
+ $result = null;
+ } else {
+ list($other, $extra) = CommandInterpreter::split_arg($arg);
+ if (!empty($extra)) {
+ $result = null;
+ } else {
+ $result = new RepeatCommand($user, $other);
+ }
+ }
+ return false;
+ }
+ return true;
+ }
+
+ public function onHelpCommandMessages(HelpCommand $help, array &$commands)
+ {
+ // TRANS: Help message for IM/SMS command "repeat #<notice_id>".
+ $commands['repeat #<notice_id>'] = _m('COMMANDHELP', "repeat a notice with a given id");
+ // TRANS: Help message for IM/SMS command "repeat <nickname>".
+ $commands['repeat <nickname>'] = _m('COMMANDHELP', "repeat the last notice from user");
+ }
+
+ /**
+ * Are we allowed to perform a certain command over the API?
+ */
+ public function onCommandSupportedAPI(Command $cmd, &$supported)
+ {
+ $supported = $supported || $cmd instanceof RepeatCommand;
+ }
+
+ protected function getActionTitle(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ // return page title
+ }
+
+ protected function doActionPreparation(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ // prepare Action?
+ }
+
+ protected function doActionPost(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ // handle repeat POST
+ }
+
+ protected function getActivityForm(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ return new RepeatForm($action, $target);
+ }
+
+ public function onPluginVersion(array &$versions)
+ {
+ $versions[] = array('name' => 'Share verb',
+ 'version' => GNUSOCIAL_VERSION,
+ 'author' => 'Mikael Nordfeldth',
+ 'homepage' => 'https://gnu.io/',
+ 'rawdescription' =>
+ // TRANS: Plugin description.
+ _m('Shares (repeats) using ActivityStreams.'));
+
+ return true;
+ }
+}