Create JWT renew request

src/Server/Controllers/AuthenticationController.cs

@@ -4,6 +4,10 @@ using Auth.Services.DatabaseService;
 using Auth.Entities;
 using Auth.DTO;
 using System.Web.Http;
+using System.IdentityModel.Tokens.Jwt;
+using Microsoft.IdentityModel.Tokens;
+using System.Text;
+using System.Security.Claims;
 
 namespace Auth.Controllers {
     [ApiController]
@@ -71,7 +75,7 @@ namespace Auth.Controllers {
             }
         }
 
-        [Route("authenticate")]
+        [Route("jwtlogin")]
         [HttpPost]
         public async Task<ActionResult> Authenticate([FromBody] LoginRequest request) {
             try {
@@ -107,6 +111,27 @@ namespace Auth.Controllers {
             }
         }
 
+        [Route("jwttryrenew")]
+        [HttpPost]
+        public IActionResult Refresh([FromBody] JWTRenewRequest request){
+            try {
+                JwtSecurityTokenHandler handler = new JwtSecurityTokenHandler();
+                ClaimsPrincipal claimsPrincipal = handler.ValidateToken(request.Token, AuthJWT.TokenParameters, out var validatedToken);
+                JwtSecurityToken jwt = (JwtSecurityToken)validatedToken;
+                if (jwt != null) {
+                    if (jwt.ValidTo - DateTime.UtcNow < TimeSpan.FromDays(1)) {
+                        var newJwt = AuthJWT.RenewJWTToken(claimsPrincipal);
+                        return Ok(newJwt);
+                    }
+                    return BadRequest("Not ready to renew");
+                }
+                return BadRequest("Malformed Token");
+            }
+            catch (SecurityTokenException ex) {
+                return Unauthorized($"Token invalid: {ex.Message}");
+            }
+        }
+
         [Route("logout")]
         [HttpPost]
         public ActionResult Logout() {