Exemple #1
0
        /// <summary>
        /// Check the OTP and do the real authentication
        /// </summary>
        /// <param name="proofData">the data from the HTML field</param>
        /// <param name="authContext">The auth context which contains secured parametes</param>
        /// <returns>True if auth is done and user can be validated</returns>
        private bool ValidateProofData(IProofData proofData, IAuthenticationContext authContext)
        {
            if (authContext is null)
            {
                authContext = new AuthenticationContext();
            }

            if (proofData == null || proofData.Properties == null || !proofData.Properties.ContainsKey("otpvalue"))
            {
                throw new ExternalAuthenticationException($"ValidateProofData() OTP not found for {authContext.Data["userid"]}", authContext);
            }

            if (!ssl)
            {
#pragma warning disable CA5359 // Do Not Disable Certificate Validation
                ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) => true;
#pragma warning restore CA5359 // Do Not Disable Certificate Validation
            }

            try
            {
                string otpvalue       = (string)proofData.Properties["otpvalue"];
                string session_user   = (string)authContext.Data["userid"];
                string session_realm  = (string)authContext.Data["realm"];
                string transaction_id = authContext.Data.ContainsKey("transaction_id") ? (string)authContext.Data["transaction_id"] : "";
#if DEBUG
                Debug.WriteLine($"{Helper.debugPrefix} ValidateProofData() user {session_user}, OTP {otpvalue}, realm {session_realm}, transaction {transaction_id}");
#endif
                // if we're running a server farm and BeginAuthentication was called on a different server
                if (otp_prov is null)
                {
                    otp_prov = new OTPprovider(privacyIDEAurl);
                }
                return(otp_prov.ValidateOTP(session_user, otpvalue, session_realm, transaction_id));
            }
            catch (Exception ex)
            {
#if DEBUG
                Debug.WriteLine($"{Helper.debugPrefix} ValidateProofData() exception: {ex.Message}");
#endif
                throw new ExternalAuthenticationException($"ValidateProofData() exception: {ex.Message}", authContext);
            }
        }