Added Main

noteApi/Service/TokenService.cs

@@ -0,0 +1,44 @@
+using Microsoft.IdentityModel.Tokens;
+using noteApi.Interfaces;
+using noteApi.Models;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+
+namespace noteApi.Service
+{
+    public class TokenService : ITokenService
+    {
+        private readonly IConfiguration _config;
+        private readonly SymmetricSecurityKey _key;
+        public TokenService(IConfiguration config)
+        {
+            _config = config;
+            _key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(config["JWT:SigningKey"]));
+        }
+        public string CreateToken(AppUser user)
+        {
+            var claims = new List<Claim>
+            {
+                new Claim(JwtRegisteredClaimNames.Email, user.Email),
+                new Claim(JwtRegisteredClaimNames.GivenName, user.UserName)
+            };
+
+            var creds = new SigningCredentials(_key, SecurityAlgorithms.HmacSha256Signature);
+            var tokenDescriptor = new SecurityTokenDescriptor
+            {
+                Subject = new ClaimsIdentity(claims),
+                Expires = DateTime.Now.AddDays(14),
+                SigningCredentials = creds,
+                Issuer = _config["JWT:Issuer"],
+                Audience = _config["JWT:Audience"]
+            };
+
+            var tokenHandler = new JwtSecurityTokenHandler();
+
+            var token = tokenHandler.CreateToken(tokenDescriptor);
+
+            return tokenHandler.WriteToken(token);
+        }
+    }
+}