From 43f0ee7e21cb9f23b66a47f0510afe60882bc2b6 Mon Sep 17 00:00:00 2001
From: Matthew Wild <mwild1@gmail.com>
Date: Thu, 8 Jul 2010 21:08:46 +0100
Subject: mod_auth_internal, usermanager: Rename to mod_auth_internal_plain,
 and update usermanager to still use it as the default

---
 plugins/mod_auth_internal_plain.lua | 97 +++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 plugins/mod_auth_internal_plain.lua

(limited to 'plugins/mod_auth_internal_plain.lua')

diff --git a/plugins/mod_auth_internal_plain.lua b/plugins/mod_auth_internal_plain.lua
new file mode 100644
index 00000000..fdc1216c
--- /dev/null
+++ b/plugins/mod_auth_internal_plain.lua
@@ -0,0 +1,97 @@
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+-- Copyright (C) 2010 Jeff Mitchell
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local datamanager = require "util.datamanager";
+local log = require "util.logger".init("auth_internal_plain");
+local type = type;
+local error = error;
+local ipairs = ipairs;
+local hashes = require "util.hashes";
+local jid_bare = require "util.jid".bare;
+local config = require "core.configmanager";
+local usermanager = require "core.usermanager";
+local new_sasl = require "util.sasl".new;
+local nodeprep = require "util.encodings".stringprep.nodeprep;
+local hosts = hosts;
+
+local prosody = _G.prosody;
+
+local is_cyrus = usermanager.is_cyrus;
+
+function new_default_provider(host)
+	local provider = { name = "internal_plain" };
+	log("debug", "initializing default authentication provider for host '%s'", host);
+
+	function provider.test_password(username, password)
+		log("debug", "test password '%s' for user %s at host %s", password, username, module.host);
+		if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end
+		local credentials = datamanager.load(username, host, "accounts") 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, module.host);
+		if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
+		return (datamanager.load(username, host, "accounts") or {}).password;
+	end
+	
+	function provider.set_password(username, password)
+		if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
+		local account = datamanager.load(username, host, "accounts");
+		if account then
+			account.password = password;
+			return datamanager.store(username, host, "accounts", account);
+		end
+		return nil, "Account not available.";
+	end
+
+	function provider.user_exists(username)
+		if is_cyrus(host) then return true; end
+		local account = datamanager.load(username, host, "accounts");
+		if not account then
+			log("debug", "account not found for username '%s' at host '%s'", username, module.host);
+			return nil, "Auth failed. Invalid username";
+		end
+		return true;
+	end
+
+	function provider.create_user(username, password)
+		if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end
+		return datamanager.store(username, host, "accounts", {password = password});
+	end
+
+	function provider.get_sasl_handler()
+		local realm = module:get_option("sasl_realm") or module.host;
+		local getpass_authentication_profile = {
+			plain = function(username, realm)
+				local prepped_username = nodeprep(username);
+				if not prepped_username then
+					log("debug", "NODEprep failed on username: %s", username);
+					return "", nil;
+				end
+				local password = usermanager.get_password(prepped_username, realm);
+				if not password then
+					return "", nil;
+				end
+				return password, true;
+			end
+		};
+		return new_sasl(realm, getpass_authentication_profile);
+	end
+	
+	return provider;
+end
+
+module:add_item("auth-provider", new_default_provider(module.host));
+
-- 
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