first spike for introspection client

Author: leastprivilege

source/IdentityModel.Shared/Client/IntrospectionClient.cs

@@ -0,0 +1,88 @@
+/*
+ * 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 System;
+using System.Collections.Generic;
+using System.Net;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace IdentityModel.Client
+{
+    public class IntrospectionClient
+    {
+        private readonly HttpClient _client;
+
+        public IntrospectionClient(string endpoint, string clientId = "", string clientSecret = "", HttpMessageHandler innerHttpMessageHandler = null)
+        {
+            if (string.IsNullOrWhiteSpace(endpoint)) throw new ArgumentNullException("endpoint");
+            if (innerHttpMessageHandler == null) innerHttpMessageHandler = new HttpClientHandler();
+
+            _client = new HttpClient(innerHttpMessageHandler)
+            {
+                BaseAddress = new Uri(endpoint)
+            };
+
+            if (!string.IsNullOrWhiteSpace(clientId))
+            {
+                _client.SetBasicAuthentication(clientId, clientSecret);
+            }
+        }
+
+        public TimeSpan Timeout
+        {
+            set
+            {
+                _client.Timeout = value;
+            }
+        }
+
+        public async Task<IntrospectionResponse> SendAsync(IntrospectionRequest request)
+        {
+            var form = new Dictionary<string, string>();
+            form.Add("token", request.Token);
+
+            if (string.IsNullOrWhiteSpace(request.ClientId))
+            {
+                form.Add("client_id", request.ClientId);
+                form.Add("client_secret", request.ClientSecret);
+            }
+
+            try
+            {
+                var response = await _client.PostAsync("", new FormUrlEncodedContent(form));
+                if (response.StatusCode != HttpStatusCode.OK)
+                {
+                    return new IntrospectionResponse
+                    {
+                        IsError = true,
+                        Error = response.ReasonPhrase
+                    };
+                }
+
+                return new IntrospectionResponse(await response.Content.ReadAsStringAsync());
+            }
+            catch (Exception ex)
+            {
+                return new IntrospectionResponse
+                {
+                    IsError = true,
+                    Error = ex.Message
+                };
+            }
+        }
+    }
+}

source/IdentityModel.Shared/Client/IntrospectionRequest.cs

@@ -0,0 +1,33 @@
+/*
+ * 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.
+ */
+ 
+namespace IdentityModel.Client
+{
+    public class IntrospectionRequest
+    {
+        public string Token { get; set; }
+
+        public string ClientId { get; set; }
+        public string ClientSecret { get; set; }
+
+        public IntrospectionRequest()
+        {
+            Token = "";
+            ClientId = "";
+            ClientSecret = "";
+        }
+    }
+}

source/IdentityModel.Shared/Client/IntrospectionResponse.cs

@@ -0,0 +1,73 @@
+/*
+ * 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 Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+
+namespace IdentityModel.Client
+{
+    public class IntrospectionResponse
+    {
+        public string Raw { get; set; }
+
+        public bool IsError { get; set; }
+        public string Error { get; set; }
+
+        public bool IsActive { get; set; }
+        public IEnumerable<Tuple<string, string>> Claims { get; set; }
+
+        public IntrospectionResponse()
+        { }
+
+        public IntrospectionResponse(string raw)
+        {
+            Raw = raw;
+
+            try
+            {
+                var json = JObject.Parse(raw);
+                IsActive = bool.Parse(json["active"].ToString());
+
+                var claims = new List<Tuple<string, string>>();
+
+                foreach (var x in json)
+                {
+                    var array = x.Value as JArray;
+
+                    if (array != null)
+                    {
+                        foreach (var item in array)
+                        {
+                            claims.Add(Tuple.Create(x.Key, item.ToString()));
+                        }
+                    }
+                    else
+                    {
+                        claims.Add(Tuple.Create(x.Key, x.Value.ToString()));
+                    }
+                }
+
+                Claims = claims;
+            }
+            catch (Exception ex)
+            {
+                IsError = true;
+                Error = ex.Message;
+            }
+        }
+    }
+}

source/IdentityModel.Shared/IdentityModel.Shared.projitems

@@ -16,6 +16,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Client\AuthorizeResponse.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Client\BasicAuthenticationHeaderValue.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Client\HttpClientExtensions.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Client\IntrospectionClient.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Client\IntrospectionRequest.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Client\IntrospectionResponse.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Client\TokenClient.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Client\TokenClientExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Client\OAuth2Constants.cs" />