Authorization Support (Using ASP.NET Core Native AuthN/AuthZ Integration) (#377)

tests/ModelContextProtocol.TestOAuthServer/AuthorizationServerMetadata.cs

@@ -0,0 +1,63 @@
+using System.Text.Json.Serialization;
+
+namespace ModelContextProtocol.TestOAuthServer;
+
+/// <summary>
+/// Represents the authorization server metadata for OAuth discovery.
+/// </summary>
+internal sealed class AuthorizationServerMetadata
+{
+    /// <summary>
+    /// Gets or sets the issuer URL.
+    /// </summary>
+    [JsonPropertyName("issuer")]
+    public required Uri Issuer { get; init; }
+
+    /// <summary>
+    /// Gets or sets the authorization endpoint URL.
+    /// </summary>
+    [JsonPropertyName("authorization_endpoint")]
+    public required Uri AuthorizationEndpoint { get; init; }
+
+    /// <summary>
+    /// Gets or sets the token endpoint URL.
+    /// </summary>
+    [JsonPropertyName("token_endpoint")]
+    public required Uri TokenEndpoint { get; init; }
+
+    /// <summary>
+    /// Gets the introspection endpoint URL.
+    /// </summary>
+    [JsonPropertyName("introspection_endpoint")]
+    public Uri? IntrospectionEndpoint => new Uri($"{Issuer}/introspect");
+
+    /// <summary>
+    /// Gets or sets the response types supported by this server.
+    /// </summary>
+    [JsonPropertyName("response_types_supported")]
+    public required List<string> ResponseTypesSupported { get; init; }
+
+    /// <summary>
+    /// Gets or sets the grant types supported by this server.
+    /// </summary>
+    [JsonPropertyName("grant_types_supported")]
+    public required List<string> GrantTypesSupported { get; init; }
+
+    /// <summary>
+    /// Gets or sets the token endpoint authentication methods supported by this server.
+    /// </summary>
+    [JsonPropertyName("token_endpoint_auth_methods_supported")]
+    public required List<string> TokenEndpointAuthMethodsSupported { get; init; }
+
+    /// <summary>
+    /// Gets or sets the code challenge methods supported by this server.
+    /// </summary>
+    [JsonPropertyName("code_challenge_methods_supported")]
+    public required List<string> CodeChallengeMethodsSupported { get; init; }
+
+    /// <summary>
+    /// Gets or sets the scopes supported by this server.
+    /// </summary>
+    [JsonPropertyName("scopes_supported")]
+    public List<string>? ScopesSupported { get; init; }
+}