From d7e7597f703e5914abebe5e35fa7dfa074821cb6 Mon Sep 17 00:00:00 2001
From: Ognjen Cirkovic <ciraboxkg@gmail.com>
Date: Mon, 14 Mar 2022 20:47:46 +0100
Subject: Dodata metoda TokenToUsername u klasi JwtToken.

---
 .../api/api/Controllers/FileUploadController.cs    | 31 +++++-----------------
 backend/api/api/Models/JwtToken.cs                 | 26 ++++++++++++++++++
 2 files changed, 33 insertions(+), 24 deletions(-)

(limited to 'backend/api')

diff --git a/backend/api/api/Controllers/FileUploadController.cs b/backend/api/api/Controllers/FileUploadController.cs
index 2614ec1e..07ab4821 100644
--- a/backend/api/api/Controllers/FileUploadController.cs
+++ b/backend/api/api/Controllers/FileUploadController.cs
@@ -1,10 +1,7 @@
-using System.IdentityModel.Tokens.Jwt;
-using System.Net.Http.Headers;
-using System.Text;
+using System.Net.Http.Headers;
+using api.Models;
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.IdentityModel.Tokens;
 using Microsoft.Net.Http.Headers;
 namespace api.Controllers
 {
@@ -14,9 +11,11 @@ namespace api.Controllers
     {
         private string[] permittedExtensions = { ".csv" };
         private readonly IConfiguration _configuration;
+        private JwtToken _token;
         public FileUploadController(IConfiguration configuration)
         {
             _configuration = configuration;
+            _token = new JwtToken(configuration);
 
         }
 
@@ -34,25 +33,9 @@ namespace api.Controllers
 
                 var scheme = headerValue.Scheme;
                 var parameter = headerValue.Parameter;
-                var tokenHandler = new JwtSecurityTokenHandler();
-                var key = Encoding.ASCII.GetBytes(_configuration.GetSection("AppSettings:JwtToken").Value);
-                try
-                {
-                    tokenHandler.ValidateToken(parameter, new TokenValidationParameters
-                    {
-                        ValidateIssuerSigningKey = true,
-                        IssuerSigningKey = new SymmetricSecurityKey(key),
-                        ValidateIssuer = false,
-                        ValidateAudience = false,
-                    }, out SecurityToken validatedToken);
-
-                    var jwtToken = (JwtSecurityToken)validatedToken;
-                    username = jwtToken.Claims.First(x => x.Type == "name").Value;
-                }
-                catch (Exception ex)
-                {
-                    return BadRequest();
-                }
+                username = _token.TokenToUsername(parameter);
+                if (username == null)
+                    return null;
             }else 
                 return BadRequest();
             
diff --git a/backend/api/api/Models/JwtToken.cs b/backend/api/api/Models/JwtToken.cs
index 3ecbf92d..31ecca10 100644
--- a/backend/api/api/Models/JwtToken.cs
+++ b/backend/api/api/Models/JwtToken.cs
@@ -61,6 +61,32 @@ namespace api.Models
 
         }
 
+        public string TokenToUsername(string token)
+        {
+            if (token == null)
+                return null;
+            var tokenHandler = new JwtSecurityTokenHandler();
+            var key = Encoding.ASCII.GetBytes(_configuration.GetSection("AppSettings:JwtToken").Value);
+            try
+            {
+                tokenHandler.ValidateToken(token, new TokenValidationParameters
+                {
+                    ValidateIssuerSigningKey = true,
+                    IssuerSigningKey = new SymmetricSecurityKey(key),
+                    ValidateIssuer = false,
+                    ValidateAudience = false,
+                }, out SecurityToken validatedToken);
+
+                var jwtToken = (JwtSecurityToken)validatedToken;
+                return jwtToken.Claims.First(x => x.Type == "name").Value;
+            }
+            catch
+            {
+                return null;
+            }
+
+        }
+
 
 
     }
-- 
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