local backend_mechanism = {};
-- register a new SASL mechanims
-local function registerMechanism(name, backends, f)
+function registerMechanism(name, backends, f)
assert(type(name) == "string", "Parameter name MUST be a string.");
assert(type(backends) == "string" or type(backends) == "table", "Parameter backends MUST be either a string or a table.");
assert(type(f) == "function", "Parameter f MUST be a function.");
-- create a new SASL object which can be used to authenticate clients
function new(realm, profile)
- local mechanisms = {};
- for backend, f in pairs(profile) do
- if backend_mechanism[backend] then
- for _, mechanism in ipairs(backend_mechanism[backend]) do
- mechanisms[mechanism] = true;
+ local mechanisms = profile.mechanisms;
+ if not mechanisms then
+ mechanisms = {};
+ for backend, f in pairs(profile) do
+ if backend_mechanism[backend] then
+ for _, mechanism in ipairs(backend_mechanism[backend]) do
+ mechanisms[mechanism] = true;
+ end
end
end
+ profile.mechanisms = mechanisms;
end
return setmetatable({ profile = profile, realm = realm, mechs = mechanisms }, method);
end