+ 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
+
+function is_admin(jid)
+ local admins = config.get("*", "core", "admins") or {};
+ if type(admins) == "table" then
+ jid = jid_bare(jid);
+ for _,admin in ipairs(admins) do
+ if admin == jid then return true; end
+ end
+ else log("debug", "Option core.admins is not a table"); end
+ return nil;