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Merge pull request #3 from PSuyog97/master
OTP Validator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using CoWiN.Models; | ||
| using Microsoft.Extensions.Configuration; | ||
| using System.IO; | ||
| using System.Threading; | ||
| using Newtonsoft.Json; | ||
| using CoWin.Models; | ||
| using RestSharp; | ||
| using CoWin.Providers; | ||
| using System.Net; | ||
| using System.Security.Cryptography; | ||
|
|
||
| namespace CoWin.Auth | ||
| { | ||
| class OTPAuthenticator | ||
| { | ||
| private IConfiguration _configuration; | ||
| public static string BEARER_TOKEN; | ||
| public OTPAuthenticator(IConfiguration configuration) | ||
| { | ||
| _configuration = configuration; | ||
| } | ||
|
|
||
| public void ValidateUser() | ||
| { | ||
| string endpoint = ""; | ||
|
|
||
| if (Convert.ToBoolean(_configuration["CoWinAPI:Auth:IsToBeUsed"])) | ||
| { | ||
| endpoint = _configuration["CoWinAPI:Auth:OTPGeneratorUrl"]; | ||
| } | ||
| string requestBody = JsonConvert.SerializeObject(new OtpModel | ||
| { | ||
| Mobile = _configuration["CoWinAPI:Auth:Mobile"], | ||
| Secret = _configuration["CoWinAPI:Auth:Secret"] | ||
| }); | ||
| var response = GenerateOTP(endpoint, requestBody); | ||
| string otp = ""; | ||
| if (response.StatusCode == HttpStatusCode.OK) | ||
| { | ||
| Console.WriteLine($"[INFO] OTP Generated for Mobile No: {_configuration["CoWinAPI:Auth:Mobile"]} at {DateTime.Now}"); | ||
| var txnID = JsonConvert.DeserializeObject<OtpModel>(response.Content); | ||
| endpoint = _configuration["CoWinAPI:Auth:OTPValidatorUrl"]; | ||
| otp = ComputeSha256Hash(ReadUserInput("Please Enter OTP: ")); | ||
| requestBody = JsonConvert.SerializeObject(new OtpModel | ||
| { | ||
| TransactionId = txnID.TransactionId, | ||
| Otp = otp | ||
| }); | ||
| response = ValidateOTP(endpoint, requestBody); | ||
| if (response.StatusCode == HttpStatusCode.OK) | ||
| { | ||
| Console.WriteLine($"[INFO] User Validated with Mobile No {_configuration["CoWinAPI:Auth:Mobile"]}"); | ||
| BEARER_TOKEN = JsonConvert.DeserializeObject<OtpModel>(response.Content).BearerToken; | ||
| } | ||
| else | ||
| { | ||
| DisplayErrorMessage(response); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| DisplayErrorMessage(response); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| private IRestResponse GenerateOTP(string endpoint, string requestBody) | ||
| { | ||
| IRestResponse response = new APIFacade(_configuration).Post(endpoint, requestBody); | ||
| return response; | ||
| } | ||
|
|
||
| private IRestResponse ValidateOTP(string endpoint, string requestBody) | ||
| { | ||
| IRestResponse response = new APIFacade(_configuration).Post(endpoint, requestBody); | ||
| return response; | ||
| } | ||
| void DisplayErrorMessage(IRestResponse response) | ||
| { | ||
| if (response.StatusCode != HttpStatusCode.OK) | ||
| { | ||
| Console.ForegroundColor = ConsoleColor.Red; | ||
| Console.WriteLine($"[ERROR] OTP Error - ResponseCode: {response.StatusDescription} ResponseData: {response.Content}"); | ||
| } | ||
| } | ||
| private string ReadUserInput(string message) | ||
| { | ||
| Console.WriteLine(message); | ||
| string userInput = Console.ReadLine(); | ||
| return userInput; | ||
| } | ||
| static string ComputeSha256Hash(string rawData) | ||
| { | ||
| using (SHA256 sha256Hash = SHA256.Create()) | ||
| { | ||
| byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(rawData)); | ||
| StringBuilder builder = new StringBuilder(); | ||
| for (int i = 0; i < bytes.Length; i++) | ||
| { | ||
| builder.Append(bytes[i].ToString("x2")); | ||
| } | ||
| return builder.ToString(); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Text; | ||
| using Newtonsoft.Json; | ||
|
|
||
| namespace CoWin.Models | ||
| { | ||
| public partial class OtpModel | ||
| { | ||
| [JsonProperty("secret")] | ||
| public string Secret { get; set; } | ||
|
|
||
| [JsonProperty("mobile")] | ||
| public string Mobile { get; set; } | ||
|
|
||
| [JsonProperty("txnId")] | ||
| public string TransactionId { get; set; } | ||
|
|
||
| [JsonProperty("otp")] | ||
| public string Otp { get; set; } | ||
|
|
||
| [JsonProperty("token")] | ||
| public string BearerToken { get; set; } | ||
| } | ||
| } |
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