public string Serialize()
{
if (string.IsNullOrEmpty(qry))
{
throw new InvalidOperationException("qry parameter required in a response");
}
var rv = GetType()
.GetProperties()
.Select(x => (key: x.Name, value: x.GetValue(this)?.ToString()))
.Where(x => !string.IsNullOrEmpty(x.value))
.Select(x => $"{x.key}={x.value}\r\n")
.Aggregate("", (r, v) => r + v);
return(SQRL.ToBase64URL(rv.UTF8Bytes()));
}
public async Task InvokeAsync(HttpContext ctx)
{
var options = ctx.RequestServices.GetService <SQRLOptions>() ?? new SQRLOptions();
if (ctx.Request.Path != options.LoginPath || ctx.Request.Method != HttpMethods.Post || !ctx.Request.IsHttps)
{
await _next(ctx);
return;
}
//todo: validate nut
var cache = ctx.RequestServices.GetService <IMemoryCache>();
var userRepo = ctx.RequestServices.GetService <IUserRepo>();
var auth = new SQRLVM
{
Client = ctx.Request.Form["client"],
Ids = ctx.Request.Form["ids"],
Server = ctx.Request.Form["server"]
};
var req = SQRL.DecodeRequest(ctx.Request.Host.Value, RequestIP(), auth);
var res = SQRL.ComoseResponse(req, userRepo.Get, userRepo.Update, (key, user) =>
{
cache.Set(key, user);
});
if (req.cmd != "query")
{
res.url = options.CPSPath(ctx, res.nut);
}
var rv = res.Serialize();
ctx.Response.StatusCode = 200;
ctx.Response.ContentType = "application/x-www-form-urlencoded";
ctx.Response.ContentLength = rv.Length;
await ctx.Response.WriteAsync(rv);
string RequestIP() => ctx.Request.IsHttps ? ctx.Request.Host.Host == "localhost" ? "127.0.0.1" : ctx.Request.Host.Host : "0.0.0.0";
}