1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 using System.Collections.Generic; 21 using System.Threading.Tasks; 22 23 using Grpc.Core.Internal; 24 using Grpc.Core.Utils; 25 26 namespace Grpc.Core 27 { 28 /// <summary> 29 /// Asynchronous authentication interceptor for <see cref="CallCredentials"/>. 30 /// </summary> 31 /// <param name="context">The interceptor context.</param> 32 /// <param name="metadata">Metadata to populate with entries that will be added to outgoing call's headers.</param> 33 /// <returns></returns> AsyncAuthInterceptor(AuthInterceptorContext context, Metadata metadata)34 public delegate Task AsyncAuthInterceptor(AuthInterceptorContext context, Metadata metadata); 35 36 /// <summary> 37 /// Context for an RPC being intercepted by <see cref="AsyncAuthInterceptor"/>. 38 /// </summary> 39 public class AuthInterceptorContext 40 { 41 readonly string serviceUrl; 42 readonly string methodName; 43 44 /// <summary> 45 /// Initializes a new instance of <c>AuthInterceptorContext</c>. 46 /// </summary> AuthInterceptorContext(string serviceUrl, string methodName)47 public AuthInterceptorContext(string serviceUrl, string methodName) 48 { 49 this.serviceUrl = GrpcPreconditions.CheckNotNull(serviceUrl); 50 this.methodName = GrpcPreconditions.CheckNotNull(methodName); 51 } 52 53 /// <summary> 54 /// The fully qualified service URL for the RPC being called. 55 /// </summary> 56 public string ServiceUrl 57 { 58 get { return serviceUrl; } 59 } 60 61 /// <summary> 62 /// The method name of the RPC being called. 63 /// </summary> 64 public string MethodName 65 { 66 get { return methodName; } 67 } 68 } 69 } 70