define LACONICA and accept LACONICA for backwards compatibility

[quix0rs-gnu-social.git] / actions / unsubscribe.php

diff --git a/actions/unsubscribe.php b/actions/unsubscribe.php
index 69d5139073a60c2a3d1fd47e1594a732ba86e772..4a5863489ec7249d54f3011b82a75dab17d63c8b 100644 (file)
--- a/actions/unsubscribe.php
+++ b/actions/unsubscribe.php
@@ -1,7 +1,18 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * Unsubscribe handler
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @author   Robin Millette <millette@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, StatusNet, 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
@@ -17,52 +28,84 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-class UnsubscribeAction extends Action {
-       
-       function is_readonly() {
-               return false;
-       }
-       
-       function handle($args) {
-               parent::handle($args);
-               if (!common_logged_in()) {
-                       common_user_error(_('Not logged in.'));
-                       return;
-               }
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Unsubscribe handler
+ *
+ * @category Action
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @author   Robin Millette <millette@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ */
+class UnsubscribeAction extends Action
+{
+
+    function handle($args)
+    {
+        parent::handle($args);
+        if (!common_logged_in()) {
+            $this->clientError(_('Not logged in.'));
+            return;
+        }
+
+        $user = common_current_user();
+
+        if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+            common_redirect(common_local_url('subscriptions',
+                                             array('nickname' => $user->nickname)));
+            return;
+        }
 
-               $user = common_current_user();
+        /* Use a session token for CSRF protection. */
 
-               if ($_SERVER['REQUEST_METHOD'] != 'POST') {
-                       common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
-                       return;
-               }
+        $token = $this->trimmed('token');
 
-               $other_nickname = $this->arg('unsubscribeto');
-               $other = User::staticGet('nickname', $other_nickname);
-               if (!$other) {
-                       common_user_error(_('No such user.'));
-                       return;
-               }
+        if (!$token || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token. ' .
+                                 'Try again, please.'));
+            return;
+        }
 
-               if (!$user->isSubscribed($other)) {
-                       common_server_error(_('Not subscribed!.'));
-               }
+        $other_id = $this->arg('unsubscribeto');
 
-               $sub = DB_DataObject::factory('subscription');
+        if (!$other_id) {
+            $this->clientError(_('No profile id in request.'));
+            return;
+        }
 
-               $sub->subscriber = $user->id;
-               $sub->subscribed = $other->id;
+        $other = Profile::staticGet('id', $other_id);
 
-               $sub->find(true);
+        if (!$other) {
+            $this->clientError(_('No profile with that id.'));
+            return;
+        }
 
-               // note we checked for existence above
+        $result = subs_unsubscribe_to($user, $other);
 
-               if (!$sub->delete()) {
-                       common_server_error(_('Couldn\'t delete subscription.'));
-                       return;
-               }
+        if ($result != true) {
+            $this->clientError($result);
+            return;
+        }
 
-               common_redirect(common_local_url('subscriptions', array('nickname' =>
-                                                                                                                               $user->nickname)));
-       }
+        if ($this->boolean('ajax')) {
+            $this->startHTML('text/xml;charset=utf-8');
+            $this->elementStart('head');
+            $this->element('title', null, _('Unsubscribed'));
+            $this->elementEnd('head');
+            $this->elementStart('body');
+            $subscribe = new SubscribeForm($this, $other);
+            $subscribe->show();
+            $this->elementEnd('body');
+            $this->elementEnd('html');
+        } else {
+            common_redirect(common_local_url('subscriptions',
+                                             array('nickname' => $user->nickname)),
+                            303);
+        }
+    }
 }