diff --git a/spectrum/src/frontends/xmpp/blockresponder.cpp b/spectrum/src/frontends/xmpp/blockresponder.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c680937b8b678d50ea8de0ea98fd0fd2cf1dfd05
--- /dev/null
+++ b/spectrum/src/frontends/xmpp/blockresponder.cpp
@@ -0,0 +1,73 @@
+/**
+ * XMPP - libpurple transport
+ *
+ * Copyright (C) 2009, Jan Kaluza <hanzz@soc.pidgin.im>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#include "blockresponder.h"
+
+#include <iostream>
+#include <boost/bind.hpp>
+#include "Swiften/Queries/IQRouter.h"
+#include "BlockPayload.h"
+#include "transport/usermanager.h"
+#include "transport/user.h"
+#include "transport/buddy.h"
+#include "transport/rostermanager.h"
+#include "transport/logging.h"
+
+using namespace Swift;
+using namespace boost;
+
+namespace Transport {
+
+DEFINE_LOGGER(logger, "BlockResponder");
+
+BlockResponder::BlockResponder(Swift::IQRouter *router, UserManager *userManager) : Swift::SetResponder<BlockPayload>(router) {
+	m_userManager = userManager;
+}
+
+BlockResponder::~BlockResponder() {
+	
+}
+
+bool BlockResponder::handleSetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Transport::BlockPayload> info) {
+	User *user = m_userManager->getUser(from.toBare().toString());
+	if (!user) {
+		LOG4CXX_WARN(logger, from.toBare().toString() << ": User is not logged in");
+		return true;
+	}
+
+	Buddy *buddy = user->getRosterManager()->getBuddy(Buddy::JIDToLegacyName(to));
+	if (!buddy) {
+		LOG4CXX_WARN(logger, from.toBare().toString() << ": Buddy " << Buddy::JIDToLegacyName(to) << " does not exist");
+		return true;
+	}
+
+	if (buddy->isBlocked()) {
+		LOG4CXX_INFO(logger, from.toBare().toString() << ": Unblocking buddy " << Buddy::JIDToLegacyName(to));
+	}
+	else {
+		LOG4CXX_INFO(logger, from.toBare().toString() << ": Blocking buddy " << Buddy::JIDToLegacyName(to));
+	}
+
+	onBlockToggled(buddy);
+
+	return true;
+}
+
+}