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prosody
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core/usermanager.lua @ 742:b9f59372eb4e
util.dependencies: Show useful messages when our own libraries are not found, too
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 22 Jan 2009 14:29:29 +0000 |
parent | 615:4ae3e81513f3 |
child | 758:b1885732e979 |
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-- Prosody IM v0.2 -- Copyright (C) 2008 Matthew Wild -- Copyright (C) 2008 Waqas Hussain -- -- 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 02110-1301, USA. -- 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;