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99 lines
3.3 KiB
99 lines
3.3 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local datamanager = require "util.datamanager";
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local log = require "util.logger".init("usermanager");
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local type = type;
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local error = error;
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local ipairs = ipairs;
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local hashes = require "util.hashes";
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local jid_bare = require "util.jid".bare;
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local config = require "core.configmanager";
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local hosts = hosts;
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local require_provisioning = config.get("*", "core", "cyrus_require_provisioning") or false;
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module "usermanager"
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local function is_cyrus(host) return config.get(host, "core", "sasl_backend") == "cyrus"; end
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function validate_credentials(host, username, password, method)
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log("debug", "User '%s' is being validated", username);
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if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end
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local credentials = datamanager.load(username, host, "accounts") or {};
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if method == nil then method = "PLAIN"; end
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if method == "PLAIN" and credentials.password then -- PLAIN, do directly
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if password == credentials.password then
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return true;
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else
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return nil, "Auth failed. Invalid username or password.";
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end
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end
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-- must do md5
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-- make credentials md5
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local pwd = credentials.password;
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if not pwd then pwd = credentials.md5; else pwd = hashes.md5(pwd, true); end
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-- make password md5
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if method == "PLAIN" then
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password = hashes.md5(password or "", true);
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elseif method ~= "DIGEST-MD5" then
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return nil, "Unsupported auth method";
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end
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-- compare
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if password == pwd then
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return true;
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else
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return nil, "Auth failed. Invalid username or password.";
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end
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end
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function get_password(username, host)
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if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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return (datamanager.load(username, host, "accounts") or {}).password
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end
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function set_password(username, host, password)
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if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end
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local account = datamanager.load(username, host, "accounts");
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if account then
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account.password = password;
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return datamanager.store(username, host, "accounts", account);
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end
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return nil, "Account not available.";
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end
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function user_exists(username, host)
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if not(require_provisioning) and is_cyrus(host) then return true; end
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return datamanager.load(username, host, "accounts") ~= nil; -- FIXME also check for empty credentials
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end
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function create_user(username, password, host)
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if not(require_provisioning) and is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end
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return datamanager.store(username, host, "accounts", {password = password});
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end
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function get_supported_methods(host)
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return {["PLAIN"] = true, ["DIGEST-MD5"] = true}; -- TODO this should be taken from the config
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end
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function is_admin(jid, host)
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host = host or "*";
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local admins = config.get(host, "core", "admins");
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if host ~= "*" and admins == config.get("*", "core", "admins") then
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return nil;
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end
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if type(admins) == "table" then
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jid = jid_bare(jid);
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for _,admin in ipairs(admins) do
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if admin == jid then return true; end
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end
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elseif admins then log("warn", "Option 'admins' for host '%s' is not a table", host); end
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return nil;
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end
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return _M;
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