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core/usermanager.lua @ 2818:85c77568c447
MUC: Prevent visitors from broadcasting messages.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Wed, 25 Nov 2009 21:42:05 +0500 |
parent | 2032:2714ccde2569 |
child | 2923:b7049746bd29 |
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-- Prosody IM -- Copyright (C) 2008-2009 Matthew Wild -- Copyright (C) 2008-2009 Waqas Hussain -- -- 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("usermanager"); 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"; 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 get_password(username, host) return (datamanager.load(username, host, "accounts") or {}).password 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) return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config end function is_admin(jid, host) host = host or "*"; local admins = config.get(host, "core", "admins"); if host ~= "*" and admins == config.get("*", "core", "admins") then return nil; end if type(admins) == "table" then jid = jid_bare(jid); for _,admin in ipairs(admins) do if admin == jid then return true; end end elseif admins then log("warn", "Option 'admins' for host '%s' is not a table", host); end return nil; end return _M;