OAuth parse token array-type claims

Frends.OAuth.ParseToken/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.2.0] - 2024-08-08
+### Added
+- Support for handling array-type claims in the token, such as `"roles": ["editor", "admin"]`.
+
 ## [1.1.0] - 2023-12-08
 ### Added
 - New dictionary parameter 'ParseResult.Claims' that contains all claims in the token.

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/AuthHeaderWithArrayTypeClaim.txt

@@ -0,0 +1 @@
+Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImM2NjNiOWRjLWUwZWYtNDllMC04MjAxLWU3Y2FlODMyNmJkMiJ9.eyJuYW1lIjoiRnJlbmRzIFRlc3QiLCJhdWQiOiJmSVZMb3VLVVppaFhmWVAzdGRPOUQzZHdkNlpOUzlCZSIsImlzcyI6ImZyZW5kcyIsImlhdCI6MTUxNjIzOTAyMiwidGVzdF9hcnJheSI6WyJpdGVtMSIsIml0ZW0yIiwiaXRlbTMiLCJpdGVtNCJdfQ.rhsLtBjFHY-63pi9YKJKP0e4vIkKKs5wr3xok8iBYZCM4Juklr56SBW5XKYCaII5HMmVYDrQUpPlSBZBYQYcWlizJPnysBB3idswoW6RJQm6jfRkWvicWSIQSSOGQmiVtC2yRBUOX-gd42Q4uKad31QJSTZ3mLjHqaJqqdeBLImSSGjOx8S1XiTdoFuGLPhhAotrtHN2mFcgJITvVqJcPFCAWrIw7GMerznmrlQ86W5beZ9nwLpfZfPCOWuO4_DcE_iTEYVy7nWzWOquubPqQ8Rzi-WddM8c2q1wrowHUfL873LUZt7z3VU4i5rLcxxaDejafdrB77j8hkhow9BHgw

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/JwkKeys.json

@@ -1 +1,28 @@
-{"keys":[{"alg":"RS256","kty":"RSA","use":"sig","x5c":["MIIDATCCAemgAwIBAgIJQSARkr+uIp3QMA0GCSqGSIb3DQEBCwUAMB4xHDAaBgNVBAMTE2ZyZW5kcy5ldS5hdXRoMC5jb20wHhcNMTgwMzI2MTEyNjU3WhcNMzExMjAzMTEyNjU3WjAeMRwwGgYDVQQDExNmcmVuZHMuZXUuYXV0aDAuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+O62mHn2qLVvdaTo9mVtRQTLOCxpBPS3HTFhSJIikDZ77jhyRJjLPGUa6udlgH36Ts8axRvcPHBq2i+Dah0tnbchNJwT7nQlpnB2CuhC+JCntffoA+q5VcJhvaPRBbI/D3QnjXlXY4n7mZKGovfQlFXlNScHI/A6YQ55MPGhui9Su0YLhNiC7wELTmR2L+rAyJJ+Tl0u1g+gLNHsTF18iJFfy6yUBLdtAgT/HeIyLblisdMrp8SMsOoWKQwUt4HA3sjF0FqyO8Rjz6RwOh6FpUTWGbUtHS/bV76QooMSfyi9tIMO5ISwpvFWPlDzIUxdqrBxJzPQUtlGkxWE41MBewIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSwaPu0o5G98jCQF1FAD68sJtRcYjAOBgNVHQ8BAf8EBAMCAoQwDQYJKoZIhvcNAQELBQADggEBAJpBr0lbEYrhTHy2PzCaOtJICzal2oK2TCJC+T1F2Bx2XFF4XxYFwwa1W6cVkoM8NvutfnYgm1qR9JSIjIKw/Ks6kpJlVb3O7RK/3lARkxI09vfoF3OWMzh31uW6k4zZX9jDYIvdEAa1l3ROImfYY1eqo5L8rUJZdMf0h368ziyUYyRDGrrGSvWo9FDgQRKZ8BjJfZKZDjp100Bml+siYi/Rl6RTdTKpQHV34VYAEdw5RHRxMm1zEm1ebAngrDKArYWaMws3cMbKnPTyX7F3To9tLnijwsjJInmbUXo/KnXPsizJaiomNCXEw48f3oPoG9tFlItRqZzatv4PeMix8p8="],"n":"-O62mHn2qLVvdaTo9mVtRQTLOCxpBPS3HTFhSJIikDZ77jhyRJjLPGUa6udlgH36Ts8axRvcPHBq2i-Dah0tnbchNJwT7nQlpnB2CuhC-JCntffoA-q5VcJhvaPRBbI_D3QnjXlXY4n7mZKGovfQlFXlNScHI_A6YQ55MPGhui9Su0YLhNiC7wELTmR2L-rAyJJ-Tl0u1g-gLNHsTF18iJFfy6yUBLdtAgT_HeIyLblisdMrp8SMsOoWKQwUt4HA3sjF0FqyO8Rjz6RwOh6FpUTWGbUtHS_bV76QooMSfyi9tIMO5ISwpvFWPlDzIUxdqrBxJzPQUtlGkxWE41MBew","e":"AQAB","kid":"MTUyRjI1QkYzQTg4NTI3OTQzRTczRTU3NUQ3NzgyODhBRDZBNTU3Mw","x5t":"MTUyRjI1QkYzQTg4NTI3OTQzRTczRTU3NUQ3NzgyODhBRDZBNTU3Mw"}]}
+{
+    "keys": [
+        {
+            "kty":"RSA",
+            "alg":"RS256",
+            "use":"sig",
+            "kid":"MTUyRjI1QkYzQTg4NTI3OTQzRTczRTU3NUQ3NzgyODhBRDZBNTU3Mw",
+            "n":"-O62mHn2qLVvdaTo9mVtRQTLOCxpBPS3HTFhSJIikDZ77jhyRJjLPGUa6udlgH36Ts8axRvcPHBq2i-Dah0tnbchNJwT7nQlpnB2CuhC-JCntffoA-q5VcJhvaPRBbI_D3QnjXlXY4n7mZKGovfQlFXlNScHI_A6YQ55MPGhui9Su0YLhNiC7wELTmR2L-rAyJJ-Tl0u1g-gLNHsTF18iJFfy6yUBLdtAgT_HeIyLblisdMrp8SMsOoWKQwUt4HA3sjF0FqyO8Rjz6RwOh6FpUTWGbUtHS_bV76QooMSfyi9tIMO5ISwpvFWPlDzIUxdqrBxJzPQUtlGkxWE41MBew",
+            "e":"AQAB",
+            "x5c":[
+                "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"
+            ],
+            "x5t":"MTUyRjI1QkYzQTg4NTI3OTQzRTczRTU3NUQ3NzgyODhBRDZBNTU3Mw"
+        },
+        {
+            "kty": "RSA",
+            "alg": "RS256",
+            "use": "sig",
+            "kid": "c663b9dc-e0ef-49e0-8201-e7cae8326bd2",
+            "n": "u1SU1LfVLPHCozMxH2Mo4lgOEePzNm0tRgeLezV6ffAt0gunVTLw7onLRnrq0_IzW7yWR7QkrmBL7jTKEn5u-qKhbwKfBstIs-bMY2Zkp18gnTxKLxoS2tFczGkPLPgizskuemMghRniWaoLcyehkd3qqGElvW_VDL5AaWTg0nLVkjRo9z-40RQzuVaE8AkAFmxZzow3x-VJYKdjykkJ0iT9wCS0DRTXu269V264Vf_3jvredZiKRkgwlL9xNAwxXFg0x_XFw005UWVRIkdgcKWTjpBP2dPwVZ4WWC-9aGVd-Gyn1o0CLelf4rEjGoXbAAEgAqeGUxrcIlbjXfbcmw",
+            "e": "AQAB",
+            "x5c": [
+                "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1SU1LfVLPHCozMxH2Mo4lgOEePzNm0tRgeLezV6ffAt0gunVTLw7onLRnrq0/IzW7yWR7QkrmBL7jTKEn5u+qKhbwKfBstIs+bMY2Zkp18gnTxKLxoS2tFczGkPLPgizskuemMghRniWaoLcyehkd3qqGElvW/VDL5AaWTg0nLVkjRo9z+40RQzuVaE8AkAFmxZzow3x+VJYKdjykkJ0iT9wCS0DRTXu269V264Vf/3jvredZiKRkgwlL9xNAwxXFg0x/XFw005UWVRIkdgcKWTjpBP2dPwVZ4WWC+9aGVd+Gyn1o0CLelf4rEjGoXbAAEgAqeGUxrcIlbjXfbcmwIDAQAB"
+            ],
+            "x5t": "zwCWC4hfv6CBMRjsgk9gyAphSr8"
+        }
+    ]
+}

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs

@@ -9,6 +9,7 @@ namespace Frends.OAuth.ParseToken.Tests;
 public class UnitTests
 {
     private static readonly string _authHeader = File.ReadAllText(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "../../../Files/AuthHeader.txt"));
+    private static readonly string _authHeaderWithArrayTypeClaim = File.ReadAllText(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "../../../Files/AuthHeaderWithArrayTypeClaim.txt"));
     readonly JObject JwkKeys = JObject.Parse(File.ReadAllText(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "../../../Files/JwkKeys.json")));
     private static Input _input = new();
     private static Options _options = new();
@@ -54,6 +55,17 @@ public async Task ParseTokenTest_WithStaticConfiguration()
         Assert.IsTrue(result.Claims.Count > 1);
     }
 
+    [TestMethod]
+    public async Task ParseTokenTest_WithArrayTypeClaim()
+    {
+        _input.AuthHeaderOrToken = _authHeaderWithArrayTypeClaim;
+        _input.ConfigurationSource = ConfigurationSource.Static;
+        _input.StaticJwksConfiguration = JwkKeys.ToString();
+        var result = await OAuth.ParseToken(_input, _options, default);
+        Assert.IsTrue(result.Claims.Count > 1);
+        Assert.IsInstanceOfType(result.Claims["test_array"], typeof(Array));
+    }
+
     [TestMethod]
     public async Task ParseTokenTest_Invalid_Audience_Throw()
     {

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs

@@ -9,6 +9,8 @@
 using System.ComponentModel;
 using System.IdentityModel.Tokens.Jwt;
 using System.IO;
+using System.Linq;
+using System.Security.Claims;
 using System.Threading;
 using System.Threading.Tasks;
 using ThirdParty.BouncyCastle.OpenSsl;
@@ -56,10 +58,21 @@ public static async Task<ParseResult> ParseToken([PropertyTab] Input input, [Pro
         var audiences = "";
         var claims = new Dictionary<string, dynamic>();
 
+        IEnumerable<Claim> claimsWithSameType;
         foreach (var claim in validateToken.Claims)
         {
-            claims.Add(claim.Type, claim.Value);
-            if (claim.Type == "aud") audiences = claim.Value;
+            if (claims.ContainsKey(claim.Type)) continue;
+
+            claimsWithSameType = validateToken.Claims.Where(c => c.Type == claim.Type);
+            if (claimsWithSameType.Count() > 1)
+            {
+                claims.Add(claim.Type, claimsWithSameType.Select(c => c.Value).ToArray());
+            }
+            else
+            {
+                claims.Add(claim.Type, claim.Value);
+                if (claim.Type == "aud") audiences = claim.Value;
+            }
         }
 
         return new ParseResult(

Frends.OAuth.ParseToken/README.md

@@ -18,3 +18,47 @@ Rebuild the project
 Run tests
 
 `dotnet test`
+
+
+### Keys for testing JWTs
+
+AuthHeaderWithArrayTypeClaim.txt
+
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1SU1LfVLPHCozMxH2Mo
+4lgOEePzNm0tRgeLezV6ffAt0gunVTLw7onLRnrq0/IzW7yWR7QkrmBL7jTKEn5u
++qKhbwKfBstIs+bMY2Zkp18gnTxKLxoS2tFczGkPLPgizskuemMghRniWaoLcyeh
+kd3qqGElvW/VDL5AaWTg0nLVkjRo9z+40RQzuVaE8AkAFmxZzow3x+VJYKdjykkJ
+0iT9wCS0DRTXu269V264Vf/3jvredZiKRkgwlL9xNAwxXFg0x/XFw005UWVRIkdg
+cKWTjpBP2dPwVZ4WWC+9aGVd+Gyn1o0CLelf4rEjGoXbAAEgAqeGUxrcIlbjXfbc
+mwIDAQAB
+-----END PUBLIC KEY-----
+
+-----BEGIN PRIVATE KEY-----
+MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQC7VJTUt9Us8cKj
+MzEfYyjiWA4R4/M2bS1GB4t7NXp98C3SC6dVMvDuictGeurT8jNbvJZHtCSuYEvu
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+VuNd9tybAgMBAAECggEBAKTmjaS6tkK8BlPXClTQ2vpz/N6uxDeS35mXpqasqskV
+laAidgg/sWqpjXDbXr93otIMLlWsM+X0CqMDgSXKejLS2jx4GDjI1ZTXg++0AMJ8
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+mQqt4fB7UdHzuIRe/me2PGhIq5ZBzj6h3BpoPGzEP+x3l9YmK8t/1cN0pqI+dQwY
+dgfGjackLu/2qH80MCF7IyQaseZUOJyKrCLtSD/Iixv/hzDEUPfOCjFDgTpzf3cw
+ta8+oE4wHCo1iI1/4TlPkwmXx4qSXtmw4aQPz7IDQvECgYEA8KNThCO2gsC2I9PQ
+DM/8Cw0O983WCDY+oi+7JPiNAJwv5DYBqEZB1QYdj06YD16XlC/HAZMsMku1na2T
+N0driwenQQWzoev3g2S7gRDoS/FCJSI3jJ+kjgtaA7Qmzlgk1TxODN+G1H91HW7t
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+AhCndKaA9gApgfb3xw1IKbuQ1u4IF1FJl3VtumfQn//LiH1B3rXhcdyo3/vIttEk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+-----END PRIVATE KEY-----