X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=actions%2Fsubscribe.php;h=b1243f393333fdea7245bead2c7c1bda9738e982;hb=ddb656fcd2a3233b26e28987d2f3425944908d30;hp=64abda00431c0d9fbcf3a060f17510ade1a44849;hpb=8dd513a8e434bb72f773dac75ec3124d2532d4a3;p=quix0rs-gnu-social.git

diff --git a/actions/subscribe.php b/actions/subscribe.php
index 64abda0043..b1243f3933 100644
--- a/actions/subscribe.php
+++ b/actions/subscribe.php
@@ -1,7 +1,9 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008-2010, StatusNet, Inc.
+ *
+ * Subscription action.
  *
  * 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
@@ -15,64 +17,142 @@
  *
  * 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/>.
+ *
+ * PHP version 5
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2008-2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
  */
 
-if (!defined('LACONICA')) { exit(1); }
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Subscription action
+ *
+ * Subscribing to a profile. Does not work for OMB 0.1 remote subscriptions,
+ * but may work for other remote subscription protocols, like OStatus.
+ *
+ * Takes parameters:
+ *
+ *    - subscribeto: a profile ID
+ *    - token: session token to prevent CSRF attacks
+ *    - ajax: boolean; whether to return Ajax or full-browser results
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2008-2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+class SubscribeAction extends Action
+{
+    var $user;
+    var $other;
+
+    /**
+     * Check pre-requisites and instantiate attributes
+     *
+     * @param Array $args array of arguments (URL, GET, POST)
+     *
+     * @return boolean success flag
+     */
 
-class SubscribeAction extends Action {
+    function prepare($args)
+    {
+        parent::prepare($args);
 
-	function handle($args) {
-		parent::handle($args);
+        // Only allow POST requests
 
-		if (!common_logged_in()) {
-			common_user_error(_('Not logged in.'));
-			return;
-		}
+        if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+            $this->clientError(_('This action only accepts POST requests.'));
+            return false;
+        }
+
+        // CSRF protection
 
-		$user = common_current_user();
+        $token = $this->trimmed('token');
 
-		if ($_SERVER['REQUEST_METHOD'] != 'POST') {
-			common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
-			return;
-		}
+        if (!$token || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token.'.
+                                 ' Try again, please.'));
+            return false;
+        }
 
-		# CSRF protection
+        // Only for logged-in users
 
-		$token = $this->trimmed('token');
+        $this->user = common_current_user();
 
-		if (!$token || $token != common_session_token()) {
-			$this->client_error(_('There was a problem with your session token. Try again, please.'));
-			return;
-		}
+        if (empty($this->user)) {
+            $this->clientError(_('Not logged in.'));
+            return false;
+        }
 
-		$other_id = $this->arg('subscribeto');
+        // Profile to subscribe to
 
-        $other = User::staticGet('id', $other_id);
+        $other_id = $this->arg('subscribeto');
 
-        if (!$other) {
-			$this->client_error(_('Not a local user.'));
-			return;
+        $this->other = Profile::staticGet('id', $other_id);
+
+        if (empty($this->other)) {
+            $this->clientError(_('No such profile.'));
+            return false;
         }
 
-		$result = subs_subscribe_to($user, $other);
-
-		if($result != true) {
-			common_user_error($result);
-			return;
-		}
-
-		if ($this->boolean('ajax')) {
-			common_start_html('text/xml;charset=utf-8', true);
-			common_element_start('head');
-			common_element('title', null, _('Subscribed'));
-			common_element_end('head');
-			common_element_start('body');
-			common_unsubscribe_form($other->getProfile());
-			common_element_end('body');
-			common_element_end('html');
-		} else {
-		    common_redirect(common_local_url('subscriptions', array('nickname' =>
-																$user->nickname)));
+        // OMB 0.1 doesn't have a mechanism for local-server-
+        // originated subscription.
+
+        $omb01 = Remote_profile::staticGet('id', $other_id);
+
+        if (!empty($omb01)) {
+            $this->clientError(_('You cannot subscribe to an OMB 0.1'.
+                                 ' remote profile with this action.'));
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * Does the subscription and returns results.
+     *
+     * @param Array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        // Throws exception on error
+
+        Subscription::start($this->user->getProfile(),
+                            $this->other);
+
+        if ($this->boolean('ajax')) {
+            $this->startHTML('text/xml;charset=utf-8');
+            $this->elementStart('head');
+            $this->element('title', null, _('Subscribed'));
+            $this->elementEnd('head');
+            $this->elementStart('body');
+            $unsubscribe = new UnsubscribeForm($this, $this->other);
+            $unsubscribe->show();
+            $this->elementEnd('body');
+            $this->elementEnd('html');
+        } else {
+            $url = common_local_url('subscriptions',
+                                    array('nickname' => $this->user->nickname));
+            common_redirect($url, 303);
         }
-	}
+    }
 }