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+<?php
+
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * A plugin to allow anonymous users to favorite notices
+ *
+ * PHP version 5
+ *
+ * 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/>.
+ *
+ * @category Plugin
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+ // This check helps protect against security problems;
+ // your code file can't be executed directly from the web.
+ exit(1);
+}
+
+define('ANONYMOUS_FAVE_PLUGIN_VERSION', '0.1');
+
+/**
+ * Anonymous Fave plugin to allow anonymous (not logged in) users
+ * to favorite notices
+ *
+ * @category Plugin
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
+class AnonymousFavePlugin extends Plugin {
+
+ function onArgsInitialize() {
+ // We always want a session because we're tracking anon users
+ common_ensure_session();
+ }
+
+ function onEndShowHTML($action)
+ {
+ if (!common_logged_in()) {
+ // Set a place to return to when submitting forms
+ common_set_returnto($action->selfUrl());
+ }
+ }
+
+ function onEndShowScripts($action)
+ {
+ // Setup ajax calls for favoriting. Usually this is only done when
+ // a user is logged in.
+ $action->inlineScript('SN.U.NoticeFavor();');
+ }
+
+ function onAutoload($cls)
+ {
+ $dir = dirname(__FILE__);
+
+ switch ($cls) {
+ case 'AnonFavorAction':
+ include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
+ return false;
+ case 'AnonDisFavorAction':
+ include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
+ return false;
+ case 'AnonFavorForm':
+ include_once $dir . '/anonfavorform.php';
+ return false;
+ case 'AnonDisFavorForm':
+ include_once $dir . '/anondisfavorform.php';
+ return false;
+ default:
+ return true;
+ }
+ }
+
+ function onStartInitializeRouter($m) {
+
+ $m->connect('main/anonfavor', array('action' => 'AnonFavor'));
+ $m->connect('main/anondisfavor', array('action' => 'AnonDisFavor'));
+
+ return true;
+ }
+
+ function onStartShowNoticeOptions($item) {
+
+ if (!common_logged_in()) {
+ $item->out->elementStart('div', 'notice-options');
+ $item->showFaveForm();
+ $item->out->elementEnd('div');
+ }
+
+ return true;
+ }
+
+ function onStartShowFaveForm($item) {
+
+ if (!common_logged_in()) {
+
+ $profile = $this->getAnonProfile();
+ if (!empty($profile)) {
+ if ($profile->hasFave($item->notice)) {
+ $disfavor = new AnonDisFavorForm($item->out, $item->notice);
+ $disfavor->show();
+ } else {
+ $favor = new AnonFavorForm($item->out, $item->notice);
+ $favor->show();
+ }
+ }
+ }
+
+ return true;
+ }
+
+ function createAnonProfile() {
+
+ // Get the anon user's IP, and turn it into a nickname
+ list($proxy, $ip) = common_client_ip();
+ // IP + time + random number should avoid collisions
+ $nickname = 'anonymous-' . $ip . '-' . time() . '-' . common_good_rand(5);
+
+ $profile = new Profile();
+ $profile->nickname = $nickname;
+ $id = $profile->insert();
+
+ if (!empty($id)) {
+ common_log(
+ LOG_INFO,
+ "AnonymousFavePlugin - created profile for anonymous user from IP: "
+ . $ip
+ . ', nickname = '
+ . $nickname
+ );
+ }
+
+ return $profile;
+ }
+
+ function getAnonProfile() {
+
+ $anon = $_SESSION['anon_nickname'];
+
+ $profile = null;
+
+ if (!empty($anon)) {
+ $profile = Profile::staticGet('nickname', $anon);
+ } else {
+ $profile = $this->createAnonProfile();
+ $_SESSION['anon_nickname'] = $profile->nickname;
+ }
+
+ if (!empty($profile)) {
+ return $profile;
+ }
+ }
+
+ /**
+ * Provide plugin version information.
+ *
+ * This data is used when showing the version page.
+ *
+ * @param array &$versions array of version data arrays; see EVENTS.txt
+ *
+ * @return boolean hook value
+ */
+ function onPluginVersion(&$versions)
+ {
+ $url = 'http://status.net/wiki/Plugin:AnonymousFave';
+
+ $versions[] = array('name' => 'AnonymousFave',
+ 'version' => ANONYMOUS_FAVE_PLUGIN_VERSION,
+ 'author' => 'Zach Copley',
+ 'homepage' => $url,
+ 'rawdescription' =>
+ _m('Allow anonymous users to favorite notices.'));
+
+ return true;
+ }
+
+}