get all refresh tokens

Tsi1.Api/Tsi1.Api/Controllers/UserController.cs

@@ -482,5 +482,12 @@ namespace Tsi1.Api.Controllers
 
             return Ok();
         }
+
+        [AllowAnonymous]
+        [HttpGet("GetAllRefreshTokens")]
+        public async Task<IActionResult> GetAllRefreshTokens()
+        {
+            return Ok(_jwtAuthManager.GetRefreshTokens());
+        }
     }
 }

Tsi1.Api/Tsi1.Api/Infrastructure/IJwtAuthManager.cs

 using System;
+using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
@@ -17,5 +18,6 @@ namespace Tsi1.Api.Infrastructure
         int GenerateVerificationCode(string username, DateTime now);
         bool ValidateVerificationCode(string username, int code);
         public void RemoveExpiredVerificationCodes(DateTime now);
+        public IEnumerable<RefreshToken> GetRefreshTokens();
     }
 }

Tsi1.Api/Tsi1.Api/Infrastructure/JwtAuthManager.cs

 using System;
 using System.Collections.Concurrent;
+using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.IdentityModel.Tokens.Jwt;
 using System.Linq;
@@ -150,6 +151,11 @@ namespace Tsi1.Api.Infrastructure
             }
         }
 
+        public IEnumerable<RefreshToken> GetRefreshTokens()
+        {
+            return _usersRefreshTokens.Select(x => x.Value).ToList();
+        }
+
         private static string GenerateRefreshTokenString()
         {
             var randomNumber = new byte[32];