Esempio n. 1
0
        public async Task <Result <bool> > DeleteUploadAsync(string username, int id, string ipAddress, int failureCount)
        {
            var result = false;

            // Escape condition for recursive call if exception is thrown.
            if (failureCount >= Constants.OperationRetry)
            {
                return(SystemUtilityService.CreateResult(Constants.UploadDeletionFailedMessage, result, true));
            }

            try
            {
                result = await _uploadService.DeleteUploadsAsync(new List <int>() { id }).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                // Log exception.
                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.DeleteUploadOperation, username, ipAddress, ex.ToString()).ConfigureAwait(false);

                // Recursively retry the operation until the maximum amount of retries is reached.
                await ContinueUploadProgressAsync(username, id, ipAddress, ++failureCount).ConfigureAwait(false);
            }


            // Log the fact that the operation was successful.
            await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                           Constants.DeleteUploadOperation, username, ipAddress).ConfigureAwait(false);

            return(SystemUtilityService.CreateResult(Constants.UploadDeletionSuccessMessage, result, false));
        }
        public Result <bool> ValidateToken(string token, string username)
        {
            try
            {
                if (_sessionService.TokenIsExpired(token))
                {
                    return(SystemUtilityService.CreateResult(Constants.ResetLinkExpired, false, false));
                }

                var tokenUsername = _authorizationService.DecryptJWT(token)[Constants.IdKey];

                if (username != tokenUsername)
                {
                    return(SystemUtilityService.CreateResult(Constants.UsernameNotMatchResetLink, false, false));
                }

                return(SystemUtilityService.CreateResult(null, true, false));
            }
            catch (Exception e)
            {
                Console.WriteLine("ValidateToken:" + e.Message);
                Console.WriteLine("ValidateToken:" + e.StackTrace);
                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 3
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        public async Task <Result <UploadObject> > ContinueUploadProgressAsync(string username, int id, string ipAddress, int failureCount)
        {
            var result = new UploadObject(Constants.NoValueDatetime, Constants.NoValueString, Constants.NoValueInt, Constants.NoValueString,
                                          Constants.NoValueInt, Constants.NoValueString, Constants.NoValueDouble, Constants.NoValueString,
                                          Constants.NoValueString, Constants.NoValueInt, Constants.NoValueInt, Constants.NoValueBool,
                                          Constants.NoValueString);

            // Escape condition for recursive call if exception is thrown.
            if (failureCount >= Constants.OperationRetry)
            {
                return(SystemUtilityService.CreateResult(Constants.UploadRetrievalFailedMessage, result, true));
            }

            try
            {
                result = await _uploadService.ContinueUploadProgressAsync(id).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                // Log exception.
                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.ContinueDraftOperation, username, ipAddress, ex.ToString()).ConfigureAwait(false);

                // Recursively retry the operation until the maximum amount of retries is reached.
                await ContinueUploadProgressAsync(username, id, ipAddress, ++failureCount).ConfigureAwait(false);
            }


            // Log the fact that the operation was successful.
            await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                           Constants.ContinueDraftOperation, username, ipAddress).ConfigureAwait(false);

            return(SystemUtilityService.CreateResult(Constants.UploadRetrievalSuccessMessage, result, false));
        }
Esempio n. 4
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        public async Task <Result <AnalysisResult> > AnalyzeImageAsync(Image image, string username, string ipAddress, int failureCount)
        {
            var result = new AnalysisResult(new List <string>(), Constants.NoValueString, Constants.NoValueString);

            // Escape condition for recursive call if exception is thrown.
            if (failureCount >= Constants.OperationRetry)
            {
                return(SystemUtilityService.CreateResult(Constants.AnalyzationFailedMessage, result, true));
            }

            try
            {
                result = await _googleImageAnalysisService.AnalyzeAsync(image, Constants.ExogredientCategories).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                // Log exception.
                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.AnalyzeImageOperation, username, ipAddress, ex.ToString()).ConfigureAwait(false);

                // Recursively retry the operation until the maximum amount of retries is reached.
                await AnalyzeImageAsync(image, username, ipAddress, ++failureCount).ConfigureAwait(false);
            }


            // Log the fact that the operation was successful.
            await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                           Constants.AnalyzeImageOperation, username, ipAddress).ConfigureAwait(false);

            return(SystemUtilityService.CreateResult(Constants.AnalyzationSuccessMessage, result, false));
        }
Esempio n. 5
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        public async Task SystemUtilityService_NotifySystemAdminAsync_SendEmailToSystemAdminSuccess(string body)
        {
            // Act: Check that a successfull message to system admin returns true.
            bool notifyResult = await SystemUtilityService.NotifySystemAdminAsync(body, Constants.SystemAdminEmailAddress).ConfigureAwait(false);

            Assert.IsTrue(notifyResult);
        }
        public async Task <Result <bool> > SendPhoneCodeAsync(string username, string phoneNumber, string ipAddress,
                                                              int currentNumExceptions)
        {
            try
            {
                await _verificationService.SendCallVerificationAsync(username, phoneNumber).ConfigureAwait(false);

                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.SendPhoneCodeOperation, username, ipAddress).ConfigureAwait(false);

                return(SystemUtilityService.CreateResult(Constants.SendPhoneCodeSuccessUserMessage, true, false));
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.WriteLine(e.StackTrace);
                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.SendPhoneCodeOperation, username, ipAddress, e.Message).ConfigureAwait(false);

                if (currentNumExceptions + 1 >= Constants.MaximumOperationRetries)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.SendPhoneCodeOperation} failed a maximum number of times for {username}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 7
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        /// <summary>
        /// Method to get all the years and months pertaining to that year that has snapshots.
        /// If it fails, there are 3 retries before admin is notified of error.
        /// </summary>
        /// <returns>A json formatted string with the data.</returns>
        public async Task <string> GetYearMonthAsync()
        {
            int currentNumExceptions = 0;
            var snapshotYearMonth    = "";

            while (currentNumExceptions < 4)
            {
                currentNumExceptions++;
                try
                {
                    snapshotYearMonth = await _snapshotService.GetYearAndMonthAsync().ConfigureAwait(false);
                }
                catch (Exception e)
                {
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.ReadMultiSnapshotOperation,
                                                   Constants.SystemIdentifier,
                                                   Constants.LocalHost, e.Message).ConfigureAwait(false);

                    // Increment the amount of tries and then check if the 3 retries are up.
                    // If it is, notify system admin.
                    currentNumExceptions++;
                    if (currentNumExceptions >= Constants.MaximumOperationRetries)
                    {
                        await SystemUtilityService.NotifySystemAdminAsync($"{Constants.ReadMultiSnapshotOperation} failed a maximum number of times for {Constants.LocalHost}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                    }
                }
            }
            return(snapshotYearMonth);
        }
Esempio n. 8
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        public async Task SystemUtilityService_IsCorruptedPassword_IsCorruptedAsyncSuccess(string plaintextPassword)
        {
            // Act
            bool result = await SystemUtilityService.IsCorruptedPasswordAsync(plaintextPassword).ConfigureAwait(false);

            // Assert
            Assert.IsTrue(result);
        }
Esempio n. 9
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        /// <summary>
        /// Asynchronously logs to the data store and flat file.
        /// </summary>
        /// <param name="timestamp">The timestamp of the operation.</param>
        /// <param name="operation">The type of the operation.</param>
        /// <param name="identifier">The identifier of the operation's performer.</param>
        /// <param name="ipAddress">The ip address of the operation's performer.</param>
        /// <param name="errorType">The type of error that occurred during the operation (default = no error)</param>
        /// <returns>Task (bool) whether the logging operation was successful.</returns>
        public async Task <bool> LogAsync(string timestamp, string operation, string identifier,
                                          string ipAddress, string errorType = Constants.NoError)
        {
            // Attempt logging to both the data store and the flat file and track the results.
            bool ffLoggingResult = await _ffLoggingService.LogToFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);

            bool dsLoggingResult = await _dsLoggingService.LogToDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);

            int count = 0;

            // Retry whichever one failed, a maximum number of times.
            while (!(ffLoggingResult && dsLoggingResult) && count < Constants.LoggingRetriesAmount)
            {
                if (!ffLoggingResult)
                {
                    ffLoggingResult = await _ffLoggingService.LogToFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);
                }
                if (!dsLoggingResult)
                {
                    dsLoggingResult = await _dsLoggingService.LogToDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);
                }
                count++;
            }

            // If both succeeded we are finished.
            if (ffLoggingResult && dsLoggingResult)
            {
                return(true);
            }
            else
            {
                // Otherwise, if both failed notify the system admin.
                if (!ffLoggingResult && !dsLoggingResult)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"Data Store and Flat File Logging failure for the following information:\n\n\t{timestamp}, {operation}, {identifier}, {ipAddress}, {errorType}", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }
                else
                {
                    // Otherwise rollback whichever one succeeded and notify the system admin.

                    bool rollbackSuccess = false;

                    if (ffLoggingResult)
                    {
                        rollbackSuccess = await _ffLoggingService.DeleteFromFlatFileAsync(timestamp, operation, identifier, ipAddress, errorType, Constants.LogFolder, Constants.LogFileType).ConfigureAwait(false);
                    }
                    if (dsLoggingResult)
                    {
                        rollbackSuccess = await _dsLoggingService.DeleteLogFromDataStoreAsync(timestamp, operation, identifier, ipAddress, errorType).ConfigureAwait(false);
                    }

                    await SystemUtilityService.NotifySystemAdminAsync($"{(ffLoggingResult ? "Flat File" : "Data Store")} Logging failure for the following information:\n\n\t{timestamp}, {operation}, {identifier}, {ipAddress}, {errorType}\n\nRollback status: {(rollbackSuccess ? "successful" : "failed")}", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(false);
            }
        }
        public async Task <Result <bool> > UpdatePasswordAsync(string username, string ipAddress,
                                                               string hashedPassword, string proxyPassword,
                                                               string salt, int currentNumExceptions)
        {
            try
            {
                bool updateSuccess = false;

                // Check the length of their password.
                if (!StringUtilityService.CheckLength(proxyPassword, Constants.MaximumPasswordCharacters,
                                                      Constants.MinimumPasswordCharacters))
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.UpdatePasswordOperation, username, ipAddress,
                                                 Constants.InvalidPasswordLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidPasswordLengthUserMessage,
                                                             updateSuccess, false));
                }

                updateSuccess = true;

                await _userManagementService.ChangePasswordAsync(username, hashedPassword, salt).ConfigureAwait(false);

                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.UpdatePasswordOperation, username, ipAddress).ConfigureAwait(false);

                return(SystemUtilityService.CreateResult(Constants.UpdatePasswordSuccessUserMessage, updateSuccess, false));
            }
            catch (Exception e)
            {
                Console.WriteLine("UpdatePassword:"******"UpdatePassword:"******"{Constants.UpdatePasswordOperation} failed a maximum number of times for {username}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 11
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        public void SystemUtilityService_CreateResult_CreateAccurateResult(string message, string data, bool exceptionOccured)
        {
            // Act
            Result <string> resultObject = SystemUtilityService.CreateResult <string>(message, data, exceptionOccured);

            // Assert: Check that the result we created matches the inputs.
            bool result;

            if (resultObject.Message == message && resultObject.Data == data &&
                resultObject.ExceptionOccurred == exceptionOccured)
            {
                result = true;
            }
            else
            {
                result = false;
            }
            Assert.IsTrue(result);
        }
Esempio n. 12
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        public async Task <Result <bool> > CreateUploadAsync(UploadPost post, int failureCount)
        {
            var result = false;

            // Escape condition for recursive call if exception is thrown.
            if (failureCount >= Constants.OperationRetry)
            {
                return(SystemUtilityService.CreateResult(Constants.UploadCreationErrorMessage, result, true));
            }

            try
            {
                if (!await _userManagementService.CheckUserExistenceAsync(post.Username).ConfigureAwait(false))
                {
                    // Log the fact user was invalid.
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.CreateUploadOperation, post.Username, post.IPAddress, Constants.UploadUserDNESystemMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.UploadUserDNEUserMessage, result, false));
                }


                var latLong   = LocationUtilityService.GetImageLatitudeAndLongitude(post.Image);
                var latitude  = latLong.Item1;
                var longitude = latLong.Item2;

                var withinScope = LocationUtilityService.CheckLocationWithinPolygon(latitude, longitude, Constants.CurrentScopePolygon);

                if (!withinScope)
                {
                    // Log the fact that scope was violated.
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.CreateUploadOperation, post.Username, post.IPAddress, Constants.ImageNotWithinScopeSystemMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.ImageNotWithinScopeUserMessage, result, false));
                }

                var storeID = await _storeService.FindStoreAsync(latitude, longitude).ConfigureAwait(false);

                if (storeID == Constants.NoStoreFoundCode)
                {
                    // Log the fact that scope was violated.
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.CreateUploadOperation, post.Username, post.IPAddress, Constants.NoStoreFoundSystemMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.NoStoreFoundUserMessage, result, false));
                }

                var imagePath = Constants.PhotoFolder + "\\" + post.Username + "_" + TimeUtilityService.CurrentUnixTime() + post.FileExtension;

                var uploadDTO = new UploadDTO(imagePath, post.Image, post.Category, post.Name, (DateTime)post.PostTime, post.Username, post.Description,
                                              post.Rating, post.Price, post.PriceUnit, post.ImageSize);

                var verification = _uploadService.VerifyUpload(uploadDTO, Constants.MaximumPhotoCharacters, Constants.MinimumPhotoCharacters, Constants.MinimumImageSizeMB, Constants.MaximumImageSizeMB, Constants.ValidImageExtensions,
                                                               Constants.IngredientNameMaximumCharacters, Constants.IngredientNameMinimumCharacters, Constants.MaximumIngredientPrice,
                                                               Constants.DescriptionMaximumCharacters, Constants.DescriptionMinimumCharacters, Constants.ExogredientCategories,
                                                               Constants.ExogredientPriceUnits, Constants.ValidTimeBufferMinutes, Constants.MaximumRating, Constants.MinimumRating);

                if (!verification.VerificationStatus)
                {
                    // Log the fact that scope was violated.
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.CreateUploadOperation, post.Username, post.IPAddress, Constants.UploadNotValidSystemMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(verification.Message, result, false));
                }

                Directory.CreateDirectory(Constants.PhotoFolder);
                post.Image.Save(imagePath);

                var uploadRecord = new UploadRecord(post.PostTime, post.Username, storeID, post.Description, post.Rating.ToString(), imagePath,
                                                    post.Price, post.PriceUnit, post.Name, Constants.NoValueInt, Constants.NoValueInt, Constants.NotInProgressStatus, post.Category);

                await _uploadService.CreateUploadAsync(uploadRecord).ConfigureAwait(false);

                result = true;
            }
            catch (Exception ex)
            {
                // Log exception.
                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.CreateUploadOperation, post.Username, post.IPAddress, ex.ToString()).ConfigureAwait(false);

                // Recursively retry the operation until the maximum amount of retries is reached.
                await CreateUploadAsync(post, ++failureCount).ConfigureAwait(false);
            }

            // Log the fact that the operation was successful.
            await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                           Constants.CreateUploadOperation, post.Username, post.IPAddress).ConfigureAwait(false);

            return(SystemUtilityService.CreateResult(Constants.UploadCreationSuccessMessage, result, false));
        }
        public async Task <Result <bool> > VerifyEmailCodeAsync(string username, string inputCode, string ipAddress,
                                                                int currentNumExceptions)
        {
            try
            {
                bool emailVerificationSuccess = false;

                UserObject user = await _userManagementService.GetUserInfoAsync(username).ConfigureAwait(false);

                if (user.EmailCodeFailures >= Constants.MaxEmailCodeAttempts)
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyEmailOperation, username, ipAddress,
                                                 Constants.MaxEmailTriesReachedLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.MaxEmailTriesReachedUserMessage, emailVerificationSuccess, false));
                }

                long maxValidTimeSeconds = TimeUtilityService.TimespanToSeconds(Constants.EmailCodeMaxValidTime);
                long currentUnix         = TimeUtilityService.CurrentUnixTime();

                if (user.EmailCodeTimestamp + maxValidTimeSeconds < currentUnix)
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyEmailOperation, username, ipAddress,
                                                 Constants.EmailCodeExpiredLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.EmailCodeExpiredUserMessage, emailVerificationSuccess, false));
                }

                if (user.EmailCode.Equals(inputCode))
                {
                    emailVerificationSuccess = true;
                    await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                   Constants.VerifyEmailOperation, username, ipAddress).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.VerifyEmailSuccessUserMessage, emailVerificationSuccess, false));
                }
                else
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyEmailOperation, username, ipAddress,
                                                 Constants.WrongEmailCodeMessage).ConfigureAwait(false);

                    await _userManagementService.IncrementEmailCodeFailuresAsync(username).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.WrongEmailCodeMessage, emailVerificationSuccess, false));
                }
            }
            catch (Exception e)
            {
                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.VerifyEmailOperation, username, ipAddress, e.Message).ConfigureAwait(false);

                if (currentNumExceptions + 1 >= Constants.MaximumOperationRetries)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.VerifyEmailOperation} failed a maximum number of times for {username}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 14
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        public static async Task Main(string[] args)
        {
            // Make sure only days, source Directory, and targetDirectory are entered into program
            if (args.Length != 4)
            {
                await SystemUtilityService.NotifySystemAdminAsync(Constants.InvalidArgs, Constants.SystemAdminEmailAddress).ConfigureAwait(false);

                return;
            }

            DateTime currentTime = DateTime.Now;
            int      days;
            string   targetDirectory = "";

            try
            {
                days = Convert.ToInt32(args[1]);
            }
            catch
            {
                await SystemUtilityService.NotifySystemAdminAsync(Constants.FirstArgumentNotInt, Constants.SystemAdminEmailAddress).ConfigureAwait(false);

                return;
            }

            string sourceDir;

            if (Directory.Exists(args[2]))
            {
                sourceDir = args[2];
            }
            else
            {
                await SystemUtilityService.NotifySystemAdminAsync(Constants.SourceDirectoryDNE, Constants.SystemAdminEmailAddress).ConfigureAwait(false);

                return;
            }

            if (Directory.Exists(args[3]))
            {
                targetDirectory = args[3];
            }

            targetDirectory += currentTime.ToString(Constants.NamingFormatString);
            bool result = false;

            // FetchLogs will return true if files of the proper age are found in the source directory.
            if (FileFetchingService.FetchLogs(sourceDir, targetDirectory, days))
            {
                if (CompressionService.Compress(Constants.SevenZipPath, sourceDir, targetDirectory))
                {
                    result = await FTPService.SendAsync(Constants.FTPUrl, "", targetDirectory, Constants.FTPUsername, Constants.FTPpassword).ConfigureAwait(false);
                }
            }

            // Notify system admin if Archiving fails to run successfully.
            if (result == false)
            {
                await SystemUtilityService.NotifySystemAdminAsync("Archiving failed on" + currentTime, Constants.SystemAdminEmailAddress).ConfigureAwait(false);
            }
        }
Esempio n. 15
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        public async Task <Result <bool> > VerifyPhoneCodeAsync(string username, string inputCode, string ipAddress,
                                                                string phoneNumber, bool duringRegistration,
                                                                int currentNumExceptions)
        {
            try
            {
                bool phoneVerificationSuccess = false;

                UserObject user = await _userManagementService.GetUserInfoAsync(username).ConfigureAwait(false);

                if (user.PhoneCodeFailures >= Constants.MaxPhoneCodeAttempts)
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyPhoneOperation, username, ipAddress,
                                                 Constants.MaxPhoneTriesReachedLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.MaxPhoneTriesReachedUserMessage, phoneVerificationSuccess, false));
                }

                string verificationStatus = await _verificationService.VerifyPhoneCodeAsync(phoneNumber, inputCode).ConfigureAwait(false);

                if (verificationStatus.Equals(Constants.TwilioAuthenticationApprovedString))
                {
                    phoneVerificationSuccess = true;
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyPhoneOperation, username, ipAddress).ConfigureAwait(false);

                    if (duringRegistration)
                    {
                        await _userManagementService.MakeTempPermAsync(username).ConfigureAwait(false);
                    }

                    return(SystemUtilityService.CreateResult(Constants.VerifyPhoneSuccessUserMessage, phoneVerificationSuccess, false));
                }
                else if (verificationStatus.Equals(Constants.TwilioAuthenticationPendingString))
                {
                    await _userManagementService.IncrementPhoneCodeFailuresAsync(username).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyPhoneOperation, username, ipAddress,
                                                 Constants.WrongPhoneCodeMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.WrongPhoneCodeMessage, phoneVerificationSuccess, false));
                }
                else
                {
                    // Failed
                    await _userManagementService.IncrementPhoneCodeFailuresAsync(username).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.VerifyPhoneOperation, username, ipAddress,
                                                 Constants.PhoneCodeExpiredLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.PhoneCodeExpiredUserMessage, phoneVerificationSuccess, false));
                }
            }
            catch (Exception e)
            {
                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.VerifyPhoneOperation, username, ipAddress, e.Message).ConfigureAwait(false);

                if (currentNumExceptions + 1 >= Constants.MaximumOperationRetries)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.VerifyPhoneOperation} failed a maximum number of times for {username}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 16
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        /// <summary>
        /// Method to create a snapshot with given year and month.
        /// </summary>
        /// <param name="currentNumExceptions"></param>
        /// <param name="year"></param>
        /// <param name="month"></param>
        /// <returns></returns>
        public async Task <bool> CreateSnapshotAsync(int currentNumExceptions, int year, int month)
        {
            bool createSnapshotSuccess = false;

            try
            {
                // Get the amount of days in the specific month.
                var amountOfDays = _snapshotService.GetDaysInMonth(year, month);

                // Get all the logs pertaining to the specific month.
                var logResults = await _snapshotService.GetLogsInMonthAsync(year, month, amountOfDays).ConfigureAwait(false);

                var snapshot = new List <string>();

                // Calling the snapshot service methods to format the data in logresults to dictionaries.
                var operationsDict = _snapshotService.GetOperationDict(logResults, amountOfDays);
                var usersDict      = await _snapshotService.GetUsersDictAsync().ConfigureAwait(false);

                var cityDict = await _snapshotService.GetCityDictAsync(logResults).ConfigureAwait(false);

                var userUploadedDict       = _snapshotService.GetUserUploadedDict(logResults);
                var uploadedIngredientDict = _snapshotService.GetUploadedIngredientDict(logResults);
                var uploadedStoreDict      = _snapshotService.GetUploadedStoreDict(logResults);
                var searchedIngredientDict = _snapshotService.GetSearchedIngredientDict(logResults);
                var searchedStoreDict      = _snapshotService.GetSearchedStoreDict(logResults);
                var upvotedUserDict        = await _snapshotService.GetUpvotedUserDictAsync(logResults).ConfigureAwait(false);

                var downvotedUserDict = await _snapshotService.GetDownvotedUserDictAsync(logResults).ConfigureAwait(false);

                // Finalizing the data and then adding it to the snapshot List.
                snapshot.Add(_snapshotService.FormatOperationsDict(operationsDict));
                snapshot.Add(_snapshotService.FormatStringIntDict(usersDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(cityDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(userUploadedDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(uploadedIngredientDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(uploadedStoreDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(searchedIngredientDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(searchedStoreDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(upvotedUserDict));
                snapshot.Add(_snapshotService.FinalizeStringIntDictForSnap(downvotedUserDict));

                // Call the method to create the snapshot in the snapshot service.
                createSnapshotSuccess = await _snapshotService.CreateSnapShotAsync(year, month, snapshot).ConfigureAwait(false);

                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.CreateSnapshotOperation,
                                               Constants.SystemIdentifier,
                                               Constants.LocalHost).ConfigureAwait(false);
            }
            catch (Exception e)
            {
                await _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                               Constants.CreateSnapshotOperation,
                                               Constants.SystemIdentifier,
                                               Constants.LocalHost, e.Message).ConfigureAwait(false);

                if (currentNumExceptions >= Constants.MaximumOperationRetries)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.CreateSnapshotOperation} failed a maximum number of times for {Constants.LocalHost}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }
            }
            return(createSnapshotSuccess);
        }
Esempio n. 17
0
        // Time out after X seconds will be conducted in Controllers with Task.Wait

        // Re-trying after exceptions occur will be conducted in Controllers, who will check if an exception occurred and how
        // many exceptions have currently occured after a manager has returned.

        // Encrypted password, encrypted AES key, and AES IV are all in hex string format.
        public async Task <Result <bool> > RegisterAsync(string firstName, string lastName,
                                                         string email, string username, string phoneNumber,
                                                         string ipAddress, string hashedPassword, string salt,
                                                         string proxyPassword, int currentNumExceptions)
        {
            try
            {
                bool registrationSuccess = false;

                // If the ip address is not in our system. Insert into datastore
                if (!await _userManagementService.CheckIPExistenceAsync(ipAddress).ConfigureAwait(false))
                {
                    await _userManagementService.CreateIPAsync(ipAddress).ConfigureAwait(false);
                }

                // Grab the user ip object.
                IPAddressObject ip = await _userManagementService.GetIPAddressInfoAsync(ipAddress).ConfigureAwait(false);

                // Set fields for repeated fails to lock them out.
                long timeLocked  = ip.TimestampLocked;
                long maxSeconds  = TimeUtilityService.TimespanToSeconds(Constants.MaxIPLockTime);
                long currentUnix = TimeUtilityService.CurrentUnixTime();

                // If the time has passed their max time before unlock, unlock them
                if (timeLocked + maxSeconds < currentUnix && timeLocked != Constants.NoValueLong)
                {
                    await _userManagementService.UnlockIPAsync(ipAddress).ConfigureAwait(false);
                }

                if (await _userManagementService.CheckIfIPLockedAsync(ipAddress).ConfigureAwait(false))
                {
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.IPLockedLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.IPLockedUserMessage, registrationSuccess, false));
                }

                // Check the length of their first name.
                if (!StringUtilityService.CheckLength(firstName, Constants.MaximumFirstNameCharacters,
                                                      Constants.MinimumFirstNameCharacters))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidFirstNameLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidFirstNameLengthUserMessage, registrationSuccess, false));
                }

                // Check the character requirements of their first name.
                if (!StringUtilityService.CheckCharacters(firstName, Constants.CharSetsData[Constants.FirstNameCharacterType]))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidFirstNameCharactersLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidFirstNameCharactersUserMessage, registrationSuccess, false));
                }

                // Check the length of their last name.
                if (!StringUtilityService.CheckLength(lastName, Constants.MaximumLastNameCharacters,
                                                      Constants.MinimumLastNameCharacters))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidLastNameLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidLastNameLengthUserMessage, registrationSuccess, false));
                }

                // Check the character requirements of their last name.
                if (!StringUtilityService.CheckCharacters(lastName, Constants.CharSetsData[Constants.LastNameCharacterType]))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidLastNameCharactersLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidLastNameCharactersUserMessage, registrationSuccess, false));
                }

                // Check the length of their email.
                if (!StringUtilityService.CheckLength(email, Constants.MaximumEmailCharacters,
                                                      Constants.MinimumEmailCharacters))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidEmailLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidEmailLengthUserMessage, registrationSuccess, false));
                }

                // Check the character requirements of their email.
                if (!StringUtilityService.CheckCharacters(email, Constants.CharSetsData[Constants.EmailCharacterType]))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidEmailCharactersLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidEmailCharactersUserMessage, registrationSuccess, false));
                }

                // Check the format of their email.
                if (!StringUtilityService.CheckEmailFormatValidity(email))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidEmailFormatMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidEmailFormatMessage, registrationSuccess, false));
                }

                // Email must be unique after canonicalization.
                string canonicalizedEmail = StringUtilityService.CanonicalizeEmail(email);

                if (await _userManagementService.CheckEmailExistenceAsync(canonicalizedEmail).ConfigureAwait(false))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.EmailExistsLogMessage).ConfigureAwait(false);

                    Console.WriteLine("Email");
                    return(SystemUtilityService.CreateResult(Constants.UniqueIdExistsRegistrationUserMessage, registrationSuccess, false));
                }

                // Check the length of their username.
                if (!StringUtilityService.CheckLength(username, Constants.MaximumUsernameCharacters,
                                                      Constants.MinimumUsernameCharacters))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidUsernameLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidUsernameLengthUserMessage, registrationSuccess, false));
                }

                // Check the character requirements of their username.
                if (!StringUtilityService.CheckCharacters(email, Constants.CharSetsData[Constants.UsernameCharacterType]))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidUsernameCharactersLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidUsernameCharactersUserMessage, registrationSuccess, false));
                }

                // Check username uniqueness.
                if (await _userManagementService.CheckUserExistenceAsync(username).ConfigureAwait(false))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.UsernameExistsLogMessage).ConfigureAwait(false);

                    Console.WriteLine("username");
                    return(SystemUtilityService.CreateResult(Constants.UniqueIdExistsRegistrationUserMessage, registrationSuccess, false));
                }

                // Check the length of their phone number.
                if (!StringUtilityService.CheckLength(phoneNumber, Constants.PhoneNumberCharacterLength))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidPhoneNumberLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidPhoneNumberLengthUserMessage, registrationSuccess, false));
                }

                // Check the character requirements of their phone number.
                if (!StringUtilityService.CheckCharacters(phoneNumber, Constants.CharSetsData[Constants.PhoneNumberCharacterType]))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidPhoneNumberCharactersLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidPhoneNumberCharactersUserMessage, registrationSuccess, false));
                }

                // Check phone number uniqueness.
                if (await _userManagementService.CheckPhoneNumberExistenceAsync(phoneNumber).ConfigureAwait(false))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.PhoneNumberExistsLogMessage).ConfigureAwait(false);

                    Console.WriteLine("phone");
                    return(SystemUtilityService.CreateResult(Constants.UniqueIdExistsRegistrationUserMessage, registrationSuccess, false));
                }

                // Check the length of their password.
                if (!StringUtilityService.CheckLength(proxyPassword, Constants.MaximumPasswordCharacters,
                                                      Constants.MinimumPasswordCharacters))
                {
                    await _userManagementService.IncrementRegistrationFailuresAsync(ipAddress,
                                                                                    Constants.RegistrationTriesResetTime,
                                                                                    Constants.MaxRegistrationAttempts).ConfigureAwait(false);

                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidPasswordLengthLogMessage).ConfigureAwait(false);

                    return(SystemUtilityService.CreateResult(Constants.InvalidPasswordLengthUserMessage,
                                                             registrationSuccess, false));
                }

                // Successful registration!
                registrationSuccess = true;

                // Create user record object to represent a user.

                // Email code, email code timestamp, login failures, last login failure timestamp, email code failures, and phone code failures initialized to have no value.
                UserRecord user = new UserRecord(username, firstName + " " + lastName, canonicalizedEmail, phoneNumber, hashedPassword, Constants.EnabledStatus, Constants.CustomerUserType,
                                                 salt, Constants.NoValueLong, Constants.NoValueString, Constants.NoValueLong, Constants.NoValueInt, Constants.NoValueLong, Constants.NoValueInt, Constants.NoValueInt);

                // Create that user.
                await _userManagementService.CreateUserAsync(true, user).ConfigureAwait(false);

                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress).ConfigureAwait(false);

                return(SystemUtilityService.CreateResult(Constants.RegistrationSuccessUserMessage, registrationSuccess, false));
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.WriteLine(e.StackTrace);
                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.RegistrationOperation, Constants.AnonymousUserIdentifier, ipAddress, e.Message).ConfigureAwait(false);

                if (currentNumExceptions + 1 >= Constants.MaximumOperationRetries)
                {
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.RegistrationOperation} failed a maximum number of times for {ipAddress}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, false, true));
            }
        }
Esempio n. 18
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        // Encrypted password, encrypted AES key, and aesIV are all in hex string format.
        public async Task <Result <AuthenticationResult> > LogInAsync(string username, string ipAddress,
                                                                      string password, int currentNumExceptions)
        {
            bool authenticationSuccessful = false;
            bool userExist = false;

            try
            {
                // If the username doesn't exist.
                if (!await _userManagementService.CheckUserExistenceAsync(username).ConfigureAwait(false))
                {
                    // Log the action.
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.LogInOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.UsernameDNELogMessage).ConfigureAwait(false);

                    // Return the result of the login failure.
                    AuthenticationResult authenResult = new AuthenticationResult(authenticationSuccessful, userExist);
                    return(SystemUtilityService.CreateResult(Constants.InvalidLogInUserMessage, authenResult, false));
                }

                userExist = true;

                // Get the information of the usernmae.
                UserObject user = await _userManagementService.GetUserInfoAsync(username).ConfigureAwait(false);

                // If the username is disabled.
                if (user.Disabled == 1)
                {
                    // Log the action.
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.LogInOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.UserDisableLogMessage).ConfigureAwait(false);

                    // Return the result of the disabled username's login try.
                    AuthenticationResult authenResult = new AuthenticationResult(authenticationSuccessful, userExist);
                    return(SystemUtilityService.CreateResult(Constants.UserDisableUserMessage, authenResult, false));
                }

                AuthenticationDTO existing    = new AuthenticationDTO(username, user.Password);
                AuthenticationDTO credentials = new AuthenticationDTO(username, password);

                // If the username's stored password matches the hashed password.
                if (_authenticationService.Authenticate(existing, credentials))
                {
                    authenticationSuccessful = true;

                    // Create a token for the username.
                    string token = await _sessionService.CreateTokenAsync(username).ConfigureAwait(false);

                    // Get user type.
                    string userType = await _userManagementService.GetUserTypeAsync(username).ConfigureAwait(false);

                    Console.WriteLine(userType);

                    // Get the path to store the token.
                    string path = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
                    path = path + $"{path.Substring(0, 1)}" + Constants.TokenFile;

                    // Save the token the the path.
                    using (StreamWriter sw = File.CreateText(path))
                    {
                        sw.WriteLine(token);
                    }

                    // Log the action.
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.LogInOperation, username, ipAddress).ConfigureAwait(false);

                    // Return the result of the successful login.
                    AuthenticationResult authenResult = new AuthenticationResult(authenticationSuccessful, userExist, token, userType);
                    return(SystemUtilityService.CreateResult(Constants.LogInSuccessUserMessage, authenResult, false));
                }
                // If the password doesn't match.
                else
                {
                    // Increment the number of login failure.
                    await _userManagementService.IncrementLoginFailuresAsync(username,
                                                                             Constants.LogInTriesResetTime,
                                                                             Constants.MaxLogInAttempts).ConfigureAwait(false);

                    // Log the action.
                    _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                                 Constants.LogInOperation, Constants.AnonymousUserIdentifier, ipAddress,
                                                 Constants.InvalidPasswordLogMessage).ConfigureAwait(false);

                    // Return the result of the unsuccessful login.
                    AuthenticationResult authenResult = new AuthenticationResult(authenticationSuccessful, userExist);
                    return(SystemUtilityService.CreateResult(Constants.InvalidLogInUserMessage, authenResult, false));
                }
            }
            // Catch exceptions.
            catch (Exception e)
            {
                // Log the exception.
                _ = _loggingManager.LogAsync(DateTime.UtcNow.ToString(Constants.LoggingFormatString),
                                             Constants.LogInOperation, Constants.AnonymousUserIdentifier, ipAddress, e.Message).ConfigureAwait(false);

                // If the current number of consecutive exceptions has reached the maximum number of retries.
                if (currentNumExceptions + 1 >= Constants.MaximumOperationRetries)
                {
                    // Notify the system admin.
                    await SystemUtilityService.NotifySystemAdminAsync($"{Constants.LogInOperation} failed a maximum number of times for {username}.", Constants.SystemAdminEmailAddress).ConfigureAwait(false);
                }

                // Return the result of the exception occured.
                AuthenticationResult authenResult = new AuthenticationResult(authenticationSuccessful, userExist);
                return(SystemUtilityService.CreateResult(Constants.SystemErrorUserMessage, authenResult, true));
            }
        }