--- /dev/null
+<?php
+
+/**
+ * @package Activity
+ * @maintainer Mikael Nordfeldth <mmn@hethane.se>
+ */
+class ActivityModerationPlugin extends ActivityVerbHandlerPlugin
+{
+ public function tag()
+ {
+ return 'actmod';
+ }
+
+ public function types()
+ {
+ return array();
+ }
+
+ public function verbs()
+ {
+ return array(ActivityVerb::DELETE);
+ }
+
+ public function onBeforePluginCheckSchema()
+ {
+ Deleted_notice::beforeSchemaUpdate();
+ return true;
+ }
+
+ public function onCheckSchema()
+ {
+ $schema = Schema::get();
+ $schema->ensureTable('deleted_notice', Deleted_notice::schemaDef());
+ return true;
+ }
+
+ protected function getActionTitle(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ // FIXME: switch based on action type
+ return _m('TITLE', 'Notice moderation');
+ }
+
+ protected function doActionPreparation(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ // pass
+ }
+
+ protected function doActionPost(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ switch (true) {
+ case ActivityUtils::compareVerbs($verb, array(ActivityVerb::DELETE)):
+ // do whatever preparation is necessary to delete a verb
+ $target->delete();
+ break;
+ default:
+ throw new ServerException('ActivityVerb POST not handled by plugin that was supposed to do it.');
+ }
+ }
+
+ public function deleteRelated(Notice $notice)
+ {
+ // pass
+ }
+
+ public function onDeleteNoticeAsProfile(Notice $stored, Profile $actor, &$result) {
+ // By adding a new 'delete' verb we will eventually trigger $this->saveObjectFromActivity
+ if (false === Deleted_notice::addNew($stored, $actor)) {
+ // false is returned if we did not have an error, but did not create the object
+ // (i.e. the author is currently being deleted)
+ return true;
+ }
+
+ // We return false (to stop the event) if the deleted_notice entry was
+ // added, which means we have run $this->saveObjectFromActivity which
+ // in turn has called the delete function of the notice.
+ return false;
+ }
+
+ /**
+ * This is run when a 'delete' verb activity comes in.
+ *
+ * @return boolean hook flag
+ */
+ protected function saveObjectFromActivity(Activity $act, Notice $stored, array $options=array())
+ {
+ // Everything is done in the StartNoticeSave event
+ 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;
+ }
+
+ /**
+ * This is run before ->insert, so our task in this function is just to
+ * delete if it is the delete verb.
+ */
+ public function onStartNoticeSave(Notice $stored)
+ {
+ // DELETE is a bit special, we have to remove the existing entry and then
+ // add a new one with the same URI in order to trigger the distribution.
+ // (that's why we don't use $this->isMyNotice(...))
+ if (!ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::DELETE))) {
+ return true;
+ }
+
+ try {
+ $target = Notice::getByUri($stored->uri);
+ } catch (NoResultException $e) {
+ throw new AlreadyFulfilledException('Notice URI not found, so we have nothing to delete.');
+ }
+
+ $actor = $stored->getProfile();
+ $owner = $target->getProfile();
+
+ if ($owner->hasRole(Profile_role::DELETED)) {
+ // Don't bother with replacing notices if its author is being deleted.
+ // The later "StoreActivityObject" will pick this up and execute
+ // the deletion then.
+ // (the "delete verb notice" is too new to ever pass through Notice::saveNew
+ // which otherwise wouldn't execute the StoreActivityObject event)
+ return true;
+ }
+
+ // Since the user deleting may not be the same as the notice's owner,
+ // double-check this and also set the "re-stored" notice profile_id.
+ if (!$actor->sameAs($owner) && !$actor->hasRight(Right::DELETEOTHERSNOTICE)) {
+ throw new AuthorizationException(_('You are not allowed to delete another user\'s notice.'));
+ }
+
+ // We copy the identifying fields and replace the sensitive ones.
+ //$stored->id = $target->id; // We can't copy this since DB_DataObject won't inject it anyway
+ $props = array('uri', 'profile_id', 'conversation', 'reply_to', 'created', 'repeat_of', 'object_type', 'is_local', 'scope');
+ foreach($props as $prop) {
+ $stored->$prop = $target->$prop;
+ }
+
+ // Let's see if this has been deleted already.
+ try {
+ $deleted = Deleted_notice::getByKeys( ['uri' => $stored->getUri()] );
+ return $deleted;
+ } catch (NoResultException $e) {
+ $deleted = new Deleted_notice();
+
+ $deleted->id = $target->getID();
+ $deleted->profile_id = $actor->getID();
+ $deleted->uri = $stored->getUri();
+ $deleted->act_created = $stored->created;
+ $deleted->created = common_sql_now();
+
+ // throws exception on error
+ $result = $deleted->insert();
+ }
+
+ // Now we delete the original notice, leaving the id and uri free.
+ $target->delete();
+
+ return true;
+ }
+
+ public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
+ {
+ Deleted_notice::extendActivity($stored, $act, $scoped);
+ }
+
+ public function activityObjectFromNotice(Notice $notice)
+ {
+ $object = Deleted_notice::fromStored($notice);
+ return $object->asActivityObject();
+ }
+
+ protected function getActivityForm(ManagedAction $action, $verb, Notice $target, Profile $scoped)
+ {
+ if (!$scoped instanceof Profile || !($scoped->sameAs($target->getProfile()) || $scoped->hasRight(Right::DELETEOTHERSNOTICE))) {
+ throw new AuthorizationException(_('You are not allowed to delete other user\'s notices'));
+ }
+ return DeletenoticeForm($action, array('notice'=>$target));
+ }
+}
projects / quix0rs-gnu-social.git / blobdiff