1 files changed, 0 insertions, 117 deletions
diff --git a/BackEnd/Timeline/Services/Token/UserTokenHandler.cs b/BackEnd/Timeline/Services/Token/UserTokenHandler.cs
deleted file mode 100644
index 03b07b53..00000000
--- a/BackEnd/Timeline/Services/Token/UserTokenHandler.cs
+++ /dev/null
@@ -1,117 +0,0 @@
-using Microsoft.Extensions.Options;
-using Microsoft.IdentityModel.Tokens;
-using System;
-using System.Globalization;
-using System.IdentityModel.Tokens.Jwt;
-using System.Linq;
-using System.Security.Claims;
-using System.Threading.Tasks;
-using Timeline.Configs;
-using Timeline.Entities;
-
-namespace Timeline.Services.Token
-{
-    public class JwtUserTokenHandler : IUserTokenHandler
-    {
-        private const string VersionClaimType = "timeline_version";
-
-        private readonly IOptionsMonitor<JwtOptions> _jwtConfig;
-        private readonly IClock _clock;
-
-        private readonly JwtSecurityTokenHandler _tokenHandler = new JwtSecurityTokenHandler();
-        private SymmetricSecurityKey _tokenSecurityKey;
-
-        public JwtUserTokenHandler(IOptionsMonitor<JwtOptions> jwtConfig, IClock clock, DatabaseContext database)
-        {
-            _jwtConfig = jwtConfig;
-            _clock = clock;
-
-            var key = database.JwtToken.Select(t => t.Key).SingleOrDefault();
-
-            if (key == null)
-            {
-                throw new InvalidOperationException(Resource.ExceptionJwtKeyNotExist);
-            }
-
-            _tokenSecurityKey = new SymmetricSecurityKey(key);
-        }
-
-        public Task<string> GenerateTokenAsync(UserTokenInfo tokenInfo)
-        {
-            if (tokenInfo == null)
-                throw new ArgumentNullException(nameof(tokenInfo));
-
-            var config = _jwtConfig.CurrentValue;
-
-            var identity = new ClaimsIdentity();
-            identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, tokenInfo.Id.ToString(CultureInfo.InvariantCulture.NumberFormat), ClaimValueTypes.Integer64));
-            identity.AddClaim(new Claim(VersionClaimType, tokenInfo.Version.ToString(CultureInfo.InvariantCulture.NumberFormat), ClaimValueTypes.Integer64));
-
-            var tokenDescriptor = new SecurityTokenDescriptor()
-            {
-                Subject = identity,
-                Issuer = config.Issuer,
-                Audience = config.Audience,
-                SigningCredentials = new SigningCredentials(_tokenSecurityKey, SecurityAlgorithms.HmacSha384),
-                IssuedAt = _clock.GetCurrentTime(),
-                Expires = tokenInfo.ExpireAt,
-                NotBefore = _clock.GetCurrentTime() // I must explicitly set this or it will use the current time by default and mock is not work in which case test will not pass.
-            };
-
-            var token = _tokenHandler.CreateToken(tokenDescriptor);
-            var tokenString = _tokenHandler.WriteToken(token);
-
-            return Task.FromResult(tokenString);
-        }
-
-
-        public Task<UserTokenInfo> ValidateTokenAsync(string token)
-        {
-            if (token == null)
-                throw new ArgumentNullException(nameof(token));
-
-            var config = _jwtConfig.CurrentValue;
-            try
-            {
-                var principal = _tokenHandler.ValidateToken(token, new TokenValidationParameters
-                {
-                    ValidateIssuer = true,
-                    ValidateAudience = true,
-                    ValidateIssuerSigningKey = true,
-                    ValidateLifetime = false,
-                    ValidIssuer = config.Issuer,
-                    ValidAudience = config.Audience,
-                    IssuerSigningKey = _tokenSecurityKey
-                }, out var t);
-
-                var idClaim = principal.FindFirstValue(ClaimTypes.NameIdentifier);
-                if (idClaim == null)
-                    throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.NoIdClaim);
-                if (!long.TryParse(idClaim, out var id))
-                    throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.IdClaimBadFormat);
-
-                var versionClaim = principal.FindFirstValue(VersionClaimType);
-                if (versionClaim == null)
-                    throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.NoVersionClaim);
-                if (!long.TryParse(versionClaim, out var version))
-                    throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.VersionClaimBadFormat);
-
-                var decodedToken = (JwtSecurityToken)t;
-                var exp = decodedToken.Payload.Exp;
-                if (exp is null)
-                    throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.NoExp);
-
-                return Task.FromResult(new UserTokenInfo
-                {
-                    Id = id,
-                    Version = version,
-                    ExpireAt = EpochTime.DateTime(exp.Value)
-                });
-            }
-            catch (Exception e) when (e is SecurityTokenException || e is ArgumentException)
-            {
-                throw new JwtUserTokenBadFormatException(token, JwtUserTokenBadFormatException.ErrorKind.Other, e);
-            }
-        }
-    }
-}