private async Task <ReferralTokenReceipt> SendSignalRAuthReply(ReferralTokenReceipt referralToken, AuthReplyMethod methodEnum)
{
string methodName = null;
switch (methodEnum)
{
case AuthReplyMethod.InitialRegistration:
methodName = SignalrMethodNames.InitialRegistration;
break;
case AuthReplyMethod.Reauthenticated:
methodName = SignalrMethodNames.Reauthenticated;
break;
}
try
{
var replyPayload = new TokenPayload()
{
DiscordUserId = referralToken.ReferralUserId
};
await _botHub.Clients.User(SignalrUsernames.BotUsername).SendAsync(methodName, replyPayload);
referralToken.ReplySent = true;
}
catch (Exception ex)
{
_logger.Log(LogLevel.Error, "Failed sending SignalR auth response", ex);
referralToken.ReplyError = true;
}
return(referralToken);
}
public async Task <IActionResult> OnGetAsync(string provider, string returnUrl = null, string referralToken = null)
{
// Validate Referrer Token
var key = Encoding.ASCII.GetBytes(_config["synthbot.token.sharedsecret"]);
var handler = new JwtSecurityTokenHandler();
var validations = new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(key),
ValidateIssuer = true,
ValidateAudience = true,
ValidAudiences = new[] { "Synthbot.WebApp" },
ValidIssuers = new[] { "Synthbot.DiscordBot" }
};
ClaimsPrincipal referralTokenPrincipal;
try
{
referralTokenPrincipal = handler.ValidateToken(referralToken, validations, out SecurityToken tokenSecure);
}
catch (Exception ex)
{
_logger.Log(LogLevel.Error, "Referral Token validation failed", ex);
return(new BadRequestResult());
}
// Add referral token
var token = new ReferralTokenReceipt()
{
ReferralUserId = referralTokenPrincipal.GetDiscordUserId(),
ReceivedTS = DateTime.UtcNow,
ReferrerSignalrUser = referralTokenPrincipal.GetHubReplyUserId()
};
// TODO - Move to a service layer
await _db.ReferralTokenReceipts.AddAsync(token);
await _db.SaveChangesAsync();
// Request a redirect to the external login provider.
var redirectUrl = Url.Page("./ExternalLogin", pageHandler: "Callback", values: new { returnUrl });
var properties = _signInManager.ConfigureExternalAuthenticationProperties(provider, redirectUrl);
// Add referral token to spotify auth properties
properties.Items.Add("state", token.Id.ToString());
return(new ChallengeResult(provider, properties));
}