public static SQRLReponse ComoseResponse(SQRLRequest req, Func <string, User> getUser, Action <User> saveUser, Action <string, User> loggedIn)
{
var resp = new SQRLReponse
{
nut = MakeNut(req.RequestIP),
};
if (!req.IsValid)
{
resp.tif = SQRLReponse.TIF.command_failed.ToHex();
return(resp);
}
var user = getUser(req.idk);
resp.tif = (user == null ? SQRLReponse.TIF.ips_match : SQRLReponse.TIF.ips_match | SQRLReponse.TIF.id_match).ToHex();
resp.qry = "/sqrl/auth?nut=" + resp.nut;
switch (req.cmd)
{
case "query":
return(resp);
case "ident":
if (user == null)
{
user = new User
{
idk = req.idk,
suk = req.suk,
vuk = req.vuk,
CreatedOn = DateTime.Now,
};
}
else
{
user.LoginCount++;
user.LastLoggedIn = DateTime.Now;
resp.suk = user.suk;
}
saveUser(user);
loggedIn("CPS" + resp.nut, user);
resp.tif = (SQRLReponse.TIF.id_match | SQRLReponse.TIF.ips_match).ToHex();
return(resp);
default:
throw new NotImplementedException();
}
}
public static SQRLRequest DecodeRequest(string host, string ipAddress, SQRLVM vm)
{
var dict = Unpack(FromBase64URL(vm.Client).UTF8String());
var rv = new SQRLRequest
{
idk = dict.GetOrDefault("idk"),
suk = dict.GetOrDefault("suk"),
vuk = dict.GetOrDefault("vuk"),
cmd = dict.GetOrDefault("cmd"),
Signature = FromBase64URL(vm.Ids),
};
rv.PublicKey = FromBase64URL(rv.idk);
rv.IsValid = ValidateSQRLPost(rv.Signature, vm.Client, vm.Server, rv.PublicKey);
rv.RequestIP = ipAddress;
rv.Host = host;
return(rv);
}