diff options
Diffstat (limited to 'plugins/mod_auth_internal.lua')
| -rw-r--r-- | plugins/mod_auth_internal.lua | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/plugins/mod_auth_internal.lua b/plugins/mod_auth_internal.lua new file mode 100644 index 00000000..42a792e2 --- /dev/null +++ b/plugins/mod_auth_internal.lua @@ -0,0 +1,110 @@ +-- 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("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"; +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" }; + 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 + if account.password == nil or string.len(account.password) == 0 then + log("debug", "account password not set or zero-length for username '%s' at host '%s'", username, module.host); + return nil, "Auth failed. Password invalid."; + 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 + + function provider.is_admin(jid) + local admins = module:get_option_array("admins"); + if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then + jid = jid_bare(jid); + for _,admin in ipairs(admins) do + if admin == jid then return true; end + end + end + end + return provider; +end + +module:add_item("auth-provider", new_default_provider(module.host)); + |