[NOTICES] Restore FullNoticeStream

But only allow a select number of verbs.
This is to display optional subscription notices.

lib/notices/fullnoticestream.php

@@ -0,0 +1,45 @@
+<?php
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social 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.
+//
+// GNU social 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 GNU social.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Description of this file.
+ *
+ * @category  Stream
+ * @package   GNUsocial
+ * @author    Mikael Nordfeldth <mmn@hethane.se>
+ * @copyright 2016 Free Software Foundation, Inc http://www.fsf.org
+ * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
+ */
+
+defined('GNUSOCIAL') || die();
+
+/**
+ * Class for notice streams that filter as little as possible.
+ *
+ * @copyright 2016 Free Software Foundation, Inc http://www.fsf.org
+ * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
+ */
+abstract class FullNoticeStream extends NoticeStream
+{
+    protected $selectVerbs = [
+        ActivityVerb::POST     => true,
+        ActivityVerb::SHARE    => true,
+        ActivityVerb::FOLLOW   => true,
+        ActivityVerb::UNFOLLOW => true,
+        ActivityVerb::JOIN     => true,
+        ActivityVerb::LEAVE    => true,
+    ];
+}

lib/notices/inboxnoticestream.php

@@ -66,7 +66,7 @@ class InboxNoticeStream extends ScopingNoticeStream
  * @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
-class RawInboxNoticeStream extends NoticeStream
+class RawInboxNoticeStream extends FullNoticeStream
 {
     protected $target = null;
     protected $inbox = null;

lib/notices/networkpublicnoticestream.php

@@ -46,7 +46,7 @@ class NetworkPublicNoticeStream extends ModeratedNoticeStream
  * @copyright 2011 StatusNet, Inc.
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
-class RawNetworkPublicNoticeStream extends NoticeStream
+class RawNetworkPublicNoticeStream extends FullNoticeStream
 {
     public function getNoticeIds($offset, $limit, $since_id, $max_id)
     {

lib/notices/profilenoticestream.php

@@ -104,7 +104,7 @@ class ProfileNoticeStream extends ScopingNoticeStream
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
 
-class RawProfileNoticeStream extends NoticeStream
+class RawProfileNoticeStream extends FullNoticeStream
 {
     protected $target;
 

lib/notices/publicnoticestream.php

@@ -60,7 +60,7 @@ class PublicNoticeStream extends ModeratedNoticeStream
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
 
-class RawPublicNoticeStream extends NoticeStream
+class RawPublicNoticeStream extends FullNoticeStream
 {
     public function getNoticeIds($offset, $limit, $since_id, $max_id)
     {