Configurable Scope Restriction for Introspection Endpoint

source/Core/Configuration/Hosting/AutoFacConfig.cs

@@ -153,6 +153,7 @@ public static IContainer Configure(IdentityServerOptions options)
             builder.RegisterType<AuthorizeInteractionResponseGenerator>();
             builder.RegisterType<UserInfoResponseGenerator>();
             builder.RegisterType<EndSessionResponseGenerator>();
+            builder.RegisterType<IntrospectionResponseGenerator>();
 
             // for authentication
             var authenticationOptions = options.AuthenticationOptions ?? new AuthenticationOptions();

source/Core/Core.csproj

@@ -56,7 +56,7 @@
       <HintPath>..\packages\Autofac.WebApi2.3.4.0\lib\net45\Autofac.Integration.WebApi.dll</HintPath>
     </Reference>
     <Reference Include="IdentityModel.Net45, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\IdentityModel.1.2.1\lib\net45\IdentityModel.Net45.dll</HintPath>
+      <HintPath>..\packages\IdentityModel.1.3.0\lib\net45\IdentityModel.Net45.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
@@ -225,6 +225,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>T4resx.tt</DependentUpon>
     </Compile>
+    <Compile Include="ResponseHandling\IntrospectionResponseGenerator.cs" />
     <Compile Include="Results\CheckSessionResult.cs" />
     <Compile Include="Results\RevocationErrorResult.cs" />
     <Compile Include="Results\IntrospectionResult.cs" />

source/Core/Endpoints/Connect/IntrospectionEndpointController.cs

@@ -19,6 +19,7 @@
 using IdentityServer3.Core.Extensions;
 using IdentityServer3.Core.Logging;
 using IdentityServer3.Core.Models;
+using IdentityServer3.Core.ResponseHandling;
 using IdentityServer3.Core.Results;
 using IdentityServer3.Core.Services;
 using IdentityServer3.Core.Validation;
@@ -42,17 +43,20 @@ internal class IntrospectionEndpointController : ApiController
         private readonly IEventService _events;
         private readonly ScopeSecretValidator _scopeSecretValidator;
         private readonly IntrospectionRequestValidator _requestValidator;
+        private readonly IntrospectionResponseGenerator _generator;
 
         public IntrospectionEndpointController(
             IntrospectionRequestValidator requestValidator, 
             IdentityServerOptions options, 
             IEventService events,
-            ScopeSecretValidator scopeSecretValidator)
+            ScopeSecretValidator scopeSecretValidator,
+            IntrospectionResponseGenerator generator)
         {
             _requestValidator = requestValidator;
             _scopeSecretValidator = scopeSecretValidator;
             _options = options;
             _events = events;
+            _generator = generator;
         }
 
         /// <summary>
@@ -77,11 +81,12 @@ public async Task<IHttpActionResult> Post()
         internal async Task<IHttpActionResult> ProcessRequest(NameValueCollection parameters, Scope scope)
         {
             var validationResult = await _requestValidator.ValidateAsync(parameters, scope);
+            var response = await _generator.ProcessAsync(validationResult, scope);
 
             if (validationResult.IsActive)
             {
-                await RaiseSuccessEventAsync(validationResult.Token, "active", scope.Name);
-                return new IntrospectionResult(validationResult, scope);
+                await RaiseSuccessEventAsync(validationResult.Token, "active", scope.Name);    
+                return new IntrospectionResult(response);
             }
 
             if (validationResult.IsError)
@@ -97,13 +102,13 @@ internal async Task<IHttpActionResult> ProcessRequest(NameValueCollection parame
                 if (validationResult.FailureReason == IntrospectionRequestValidationFailureReason.InvalidToken)
                 {
                     await RaiseSuccessEventAsync(validationResult.Token, "inactive", scope.Name);
-                    return new IntrospectionResult();
+                    return new IntrospectionResult(response);
                 }
 
                 if (validationResult.FailureReason == IntrospectionRequestValidationFailureReason.InvalidScope)
                 {
                     await RaiseFailureEventAsync("Scope not authorized to introspect token", validationResult.Token, scope.Name);
-                    return new IntrospectionResult();
+                    return new IntrospectionResult(response);
                 }
             }
 

source/Core/Models/Scope.cs

@@ -86,6 +86,11 @@ public class Scope
         /// </value>
         public List<Secret> ScopeSecrets { get; set; }
 
+        /// <summary>
+        /// Specifies whether this scope is allowed to see other scopes when using the introspection endpoint
+        /// </summary>
+        public bool AllowUnrestrictedIntrospection { get; set; }
+
         /// <summary>
         /// Creates a Scope with default values
         /// </summary>
@@ -97,6 +102,7 @@ public Scope()
             IncludeAllClaimsForUser = false;
             Enabled = true;
             ShowInDiscoveryDocument = true;
+            AllowUnrestrictedIntrospection = false;
         }
     }
 }

source/Core/ResponseHandling/IntrospectionResponseGenerator.cs

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2014, 2015 Dominick Baier, Brock Allen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using IdentityServer3.Core.Extensions;
+using IdentityServer3.Core.Logging;
+using IdentityServer3.Core.Models;
+using IdentityServer3.Core.Validation;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace IdentityServer3.Core.ResponseHandling
+{
+    internal class IntrospectionResponseGenerator
+    {
+        private readonly static ILog Logger = LogProvider.GetCurrentClassLogger();
+
+        public Task<Dictionary<string, object>> ProcessAsync(IntrospectionRequestValidationResult validationResult, Scope scope)
+        {
+            Logger.Info("Creating introspection response");
+
+            var response = new Dictionary<string, object>();
+
+            if (validationResult.IsActive == false)
+            {
+                Logger.Info("Creating introspection response for inactive token.");
+
+                response.Add("active", false);
+                return Task.FromResult(response);
+            }
+
+            if (scope.AllowUnrestrictedIntrospection)
+            {
+                Logger.Info("Creating unrestricted introspection response for active token.");
+
+                response = validationResult.Claims.ToClaimsDictionary();
+                response.Add("active", true);
+            }
+            else
+            {
+                Logger.Info("Creating restricted introspection response for active token.");
+
+                response = validationResult.Claims.Where(c => c.Type != Constants.ClaimTypes.Scope).ToClaimsDictionary();
+                response.Add("active", true);
+                response.Add("scope", scope.Name);
+            }
+
+            return Task.FromResult(response);
+        }
+    }
+}

source/Core/Results/IntrospectionResult.cs

@@ -30,23 +30,13 @@ namespace IdentityServer3.Core.Results
 {
     internal class IntrospectionResult : IHttpActionResult
     {
-        private readonly static ILog Logger = LogProvider.GetCurrentClassLogger();
         private readonly static JsonMediaTypeFormatter Formatter = new JsonMediaTypeFormatter();
 
-        public IntrospectionRequestValidationResult IntrospectionValidationResult { get; set; }
-        public Scope Scope { get; set; }
+        public Dictionary<string, object> Result { get; private set; }
 
-        private readonly bool _sendInactive;
-
-        public IntrospectionResult()
-        {
-            _sendInactive = true;
-        }
-
-        public IntrospectionResult(IntrospectionRequestValidationResult introspectionValidationResult, Scope scope)
+        public IntrospectionResult(Dictionary<string, object> result)
         {
-            IntrospectionValidationResult = introspectionValidationResult;
-            Scope = scope;
+            Result = result;
         }
 
         public Task<HttpResponseMessage> ExecuteAsync(CancellationToken cancellationToken)
@@ -56,29 +46,12 @@ public Task<HttpResponseMessage> ExecuteAsync(CancellationToken cancellationToke
 
         private HttpResponseMessage Execute()
         {
-            if (_sendInactive == true)
-            {
-                var inactiveContent = new ObjectContent<object>(new { active = false }, Formatter);
-                var inactiveMessage = new HttpResponseMessage(HttpStatusCode.OK)
-                {
-                    Content = inactiveContent
-                };
-
-                Logger.Info("Returning inactive introspection response.");
-                return inactiveMessage;
-            }
-
-            var response = IntrospectionValidationResult.Claims.ToClaimsDictionary();
-            response.Add("active", true);
-            response.Add("scope", Scope.Name);
-
-            var content = new ObjectContent<Dictionary<string, object>>(response, Formatter);
+            var content = new ObjectContent<Dictionary<string, object>>(Result, Formatter);
             var message = new HttpResponseMessage(HttpStatusCode.OK)
             {
                 Content = content
             };
 
-            Logger.Info("Returning active introspection response.");
             return message;
         }
     }

source/Core/Validation/IntrospectionRequestValidationResult.cs

@@ -29,6 +29,7 @@ internal class IntrospectionRequestValidationResult : ValidationResult
 
     enum IntrospectionRequestValidationFailureReason
     {
+        None,
         MissingToken,
         InvalidToken,
         InvalidScope

source/Core/Validation/IntrospectionRequestValidator.cs

@@ -75,7 +75,7 @@ public async Task<IntrospectionRequestValidationResult> ValidateAsync(NameValueC
                 IsActive = true,
                 IsError = false,
                 Token = token,
-                Claims = tokenValidationResult.Claims.Where(c => c.Type != Constants.ClaimTypes.Scope)
+                Claims = tokenValidationResult.Claims
             };
 
             return success;

source/Core/app.config

@@ -1,43 +1,43 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0"/>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
+        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Autofac" publicKeyToken="17863af14b0044da" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.5.0.0" newVersion="3.5.0.0"/>
+        <assemblyIdentity name="Autofac" publicKeyToken="17863af14b0044da" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.5.0.0" newVersion="3.5.0.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Owin.Security" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
+        <assemblyIdentity name="Microsoft.Owin.Security" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Owin.FileSystems" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
+        <assemblyIdentity name="Microsoft.Owin.FileSystems" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Cors" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Web.Cors" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Http.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Web.Http.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" /></startup></configuration>

source/Core/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="Autofac" version="3.5.2" targetFramework="net45" />
   <package id="Autofac.WebApi2" version="3.4.0" targetFramework="net45" />
-  <package id="IdentityModel" version="1.2.1" targetFramework="net45" />
+  <package id="IdentityModel" version="1.3.0" targetFramework="net452" />
   <package id="ILMerge" version="2.14.1208" targetFramework="net45" />
   <package id="LibLog" version="4.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.2.3" targetFramework="net45" />

source/Host.Configuration/app.config

@@ -1,31 +1,31 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Cors" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
+        <assemblyIdentity name="System.Web.Cors" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
+        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.IdentityModel.Protocol.Extensions" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-1.0.2.33" newVersion="1.0.2.33"/>
+        <assemblyIdentity name="Microsoft.IdentityModel.Protocol.Extensions" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.0.2.33" newVersion="1.0.2.33" />
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.IdentityModel.Tokens.Jwt" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
-        <bindingRedirect oldVersion="0.0.0.0-4.0.20622.1351" newVersion="4.0.20622.1351"/>
+        <assemblyIdentity name="System.IdentityModel.Tokens.Jwt" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.20622.1351" newVersion="4.0.20622.1351" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2"/></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" /></startup></configuration>