40 lines
1.0 KiB
C#
40 lines
1.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Claims;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Text.Json;
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using System.Threading.Tasks;
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namespace SecureBank.Helpers
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{
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public class AuthenticationHelper
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{
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#region METHODS
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public static IEnumerable<Claim> ParseToken(string token)
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{
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string payload = token.Split('.')[1];
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switch (payload.Length % 4)
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{
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case 2: payload += "=="; break;
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case 3: payload += "="; break;
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}
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byte[] jsonBytes = Convert.FromBase64String(payload);
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Dictionary<string, object>? keyValuePairs = JsonSerializer.Deserialize<Dictionary<string, object>>(jsonBytes);
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if (keyValuePairs is null)
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{
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throw new Exception("Incorrect token");
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}
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return keyValuePairs.Select(kvp => new Claim(kvp.Key, kvp.Value.ToString()));
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}
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#endregion
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}
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}
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