1 files changed, 71 insertions, 0 deletions
diff --git a/plugins/mod_auth_anonymous.lua b/plugins/mod_auth_anonymous.lua
new file mode 100644
index 00000000..c877d532
--- /dev/null
+++ b/plugins/mod_auth_anonymous.lua
@@ -0,0 +1,71 @@
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local new_sasl = require "util.sasl".new;
+local datamanager = require "util.datamanager";
+local hosts = prosody.hosts;
+
+-- define auth provider
+local provider = {};
+
+function provider.test_password(username, password)
+	return nil, "Password based auth not supported.";
+end
+
+function provider.get_password(username)
+	return nil, "Password not available.";
+end
+
+function provider.set_password(username, password)
+	return nil, "Password based auth not supported.";
+end
+
+function provider.user_exists(username)
+	return nil, "Only anonymous users are supported."; -- FIXME check if anonymous user is connected?
+end
+
+function provider.create_user(username, password)
+	return nil, "Account creation/modification not supported.";
+end
+
+function provider.get_sasl_handler()
+	local anonymous_authentication_profile = {
+		anonymous = function(sasl, username, realm)
+			return true; -- for normal usage you should always return true here
+		end
+	};
+	return new_sasl(module.host, anonymous_authentication_profile);
+end
+
+function provider.users()
+	return next, hosts[host].sessions, nil;
+end
+
+-- datamanager callback to disable writes
+local function dm_callback(username, host, datastore, data)
+	if host == module.host then
+		return false;
+	end
+	return username, host, datastore, data;
+end
+
+if not module:get_option_boolean("allow_anonymous_s2s", false) then
+	module:hook("route/remote", function (event)
+		return false; -- Block outgoing s2s from anonymous users
+	end, 300);
+end
+
+function module.load()
+	datamanager.add_callback(dm_callback);
+end
+function module.unload()
+	datamanager.remove_callback(dm_callback);
+end
+
+module:provides("auth", provider);
+