Ejemplo n.º 1
0
        protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
        {
            var endpoint = Context.GetEndpoint();

            if (endpoint?.Metadata?.GetMetadata <IAllowAnonymous>() != null)
            {
                return(AuthenticateResult.NoResult());
            }

            if (!Request.Headers.ContainsKey("Authorization"))
            {
                throw new UnauthorizedException("Missing Authorization Header");
            }

            string[] credentials;
            try
            {
                var authHeader      = AuthenticationHeaderValue.Parse(Request.Headers["Authorization"]);
                var credentialBytes = Convert.FromBase64String(authHeader.Parameter);
                credentials = Encoding.UTF8.GetString(credentialBytes).Split(new[] { ':' }, 2);
            }
            catch
            {
                throw new UnauthorizedException("Invalid Authorization Header");
            }

            var user = await authService.AuthentificateAsync(credentials[0], credentials[1]);

            var claims = new[] {
                new Claim(ClaimTypes.NameIdentifier, user.Id.ToString()),
                new Claim(ClaimTypes.Name, user.Name),
            };

            var identity  = new ClaimsIdentity(claims, Scheme.Name);
            var principal = new ClaimsPrincipal(identity);
            var ticket    = new AuthenticationTicket(principal, Scheme.Name);

            return(AuthenticateResult.Success(ticket));
        }