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-- Prosody IM v0.3
-- Copyright (C) 2008 Matthew Wild
-- Copyright (C) 2008 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
require "util.datamanager"
local datamanager = datamanager;
local log = require "util.logger".init("usermanager");
local error = error;
local hashes = require "util.hashes";
module "usermanager"
function validate_credentials(host, username, password, method)
log("debug", "User '%s' is being validated", username);
local credentials = datamanager.load(username, host, "accounts") or {};
if method == nil then method = "PLAIN"; end
if method == "PLAIN" and credentials.password then -- PLAIN, do directly
if password == credentials.password then
return true;
else
return nil, "Auth failed. Invalid username or password.";
end
end
-- must do md5
-- make credentials md5
local pwd = credentials.password;
if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
-- make password md5
if method == "PLAIN" then
password = hashes.md5(password or "", true);
elseif method ~= "DIGEST-MD5" then
return nil, "Unsupported auth method";
end
-- compare
if password == pwd then
return true;
else
return nil, "Auth failed. Invalid username or password.";
end
end
function user_exists(username, host)
return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
end
function create_user(username, password, host)
return datamanager.store(username, host, "accounts", {password = password});
end
function get_supported_methods(host)
local methods = {["PLAIN"] = true}; -- TODO this should be taken from the config
methods["DIGEST-MD5"] = true;
return methods;
end
return _M;
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