]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - plugins/Share/SharePlugin.php
Merge branch 'master' of git.gnu.io:Quix0r/gnu-social
[quix0rs-gnu-social.git] / plugins / Share / SharePlugin.php
diff --git a/plugins/Share/SharePlugin.php b/plugins/Share/SharePlugin.php
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+<?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;
+    }
+}