1 files changed, 81 insertions, 0 deletions
diff --git a/plugins/mod_auth_internal_plain.lua b/plugins/mod_auth_internal_plain.lua
new file mode 100644
index 00000000..d226fdbe
--- /dev/null
+++ b/plugins/mod_auth_internal_plain.lua
@@ -0,0 +1,81 @@
+-- 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 usermanager = require "core.usermanager";
+local new_sasl = require "util.sasl".new;
+
+local log = module._log;
+local host = module.host;
+
+local accounts = module:open_store("accounts");
+
+-- define auth provider
+local provider = {};
+log("debug", "initializing internal_plain authentication provider for host '%s'", host);
+
+function provider.test_password(username, password)
+	log("debug", "test password for user %s at host %s", username, host);
+	local credentials = accounts:get(username) or {};
+
+	if password == credentials.password then
+		return true;
+	else
+		return nil, "Auth failed. Invalid username or password.";
+	end
+end
+
+function provider.get_password(username)
+	log("debug", "get_password for username '%s' at host '%s'", username, host);
+	return (accounts:get(username) or {}).password;
+end
+
+function provider.set_password(username, password)
+	local account = accounts:get(username);
+	if account then
+		account.password = password;
+		return accounts:set(username, account);
+	end
+	return nil, "Account not available.";
+end
+
+function provider.user_exists(username)
+	local account = accounts:get(username);
+	if not account then
+		log("debug", "account not found for username '%s' at host '%s'", username, host);
+		return nil, "Auth failed. Invalid username";
+	end
+	return true;
+end
+
+function provider.users()
+	return accounts:users();
+end
+
+function provider.create_user(username, password)
+	return accounts:set(username, {password = password});
+end
+
+function provider.delete_user(username)
+	return accounts:set(username, nil);
+end
+
+function provider.get_sasl_handler()
+	local getpass_authentication_profile = {
+		plain = function(sasl, username, realm)
+			local password = usermanager.get_password(username, realm);
+			if not password then
+				return "", nil;
+			end
+			return password, true;
+		end
+	};
+	return new_sasl(host, getpass_authentication_profile);
+end
+	
+module:provides("auth", provider);
+