1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#region Copyright notice and license
// Copyright 2015-2016 gRPC authors.
//
// 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.
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core;
using Grpc.Core.Utils;
using Grpc.Testing;
using NUnit.Framework;
namespace Grpc.IntegrationTesting
{
public class MetadataCredentialsTest
{
const string Host = "localhost";
Server server;
Channel channel;
TestService.TestServiceClient client;
List<ChannelOption> options;
AsyncAuthInterceptor asyncAuthInterceptor;
[SetUp]
public void Init()
{
// Disable SO_REUSEPORT to prevent https://github.com/grpc/grpc/issues/10755
server = new Server(new[] { new ChannelOption(ChannelOptions.SoReuseport, 0) })
{
Services = { TestService.BindService(new FakeTestService()) },
Ports = { { Host, ServerPort.PickUnused, TestCredentials.CreateSslServerCredentials() } }
};
server.Start();
options = new List<ChannelOption>
{
new ChannelOption(ChannelOptions.SslTargetNameOverride, TestCredentials.DefaultHostOverride)
};
asyncAuthInterceptor = new AsyncAuthInterceptor(async (context, metadata) =>
{
await Task.Delay(100).ConfigureAwait(false); // make sure the operation is asynchronous.
metadata.Add("authorization", "SECRET_TOKEN");
});
}
[TearDown]
public void Cleanup()
{
channel.ShutdownAsync().Wait();
server.ShutdownAsync().Wait();
}
[Test]
public void MetadataCredentials()
{
var channelCredentials = ChannelCredentials.Create(TestCredentials.CreateSslCredentials(),
CallCredentials.FromInterceptor(asyncAuthInterceptor));
channel = new Channel(Host, server.Ports.Single().BoundPort, channelCredentials, options);
client = new TestService.TestServiceClient(channel);
client.UnaryCall(new SimpleRequest { });
}
[Test]
public void MetadataCredentials_PerCall()
{
channel = new Channel(Host, server.Ports.Single().BoundPort, TestCredentials.CreateSslCredentials(), options);
client = new TestService.TestServiceClient(channel);
var callCredentials = CallCredentials.FromInterceptor(asyncAuthInterceptor);
client.UnaryCall(new SimpleRequest { }, new CallOptions(credentials: callCredentials));
}
[Test]
public async Task MetadataCredentials_Composed()
{
var first = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
// Attempt to exercise the case where async callback is inlineable/synchronously-runnable.
metadata.Add("first_authorization", "FIRST_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var second = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
metadata.Add("second_authorization", "SECOND_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var third = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
metadata.Add("third_authorization", "THIRD_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var channelCredentials = ChannelCredentials.Create(TestCredentials.CreateSslCredentials(),
CallCredentials.Compose(first, second, third));
channel = new Channel(Host, server.Ports.Single().BoundPort, channelCredentials, options);
var client = new TestService.TestServiceClient(channel);
var call = client.StreamingOutputCall(new StreamingOutputCallRequest { });
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.IsFalse(await call.ResponseStream.MoveNext());
}
[Test]
public async Task MetadataCredentials_ComposedPerCall()
{
channel = new Channel(Host, server.Ports.Single().BoundPort, TestCredentials.CreateSslCredentials(), options);
var client = new TestService.TestServiceClient(channel);
var first = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
metadata.Add("first_authorization", "FIRST_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var second = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
metadata.Add("second_authorization", "SECOND_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var third = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => {
metadata.Add("third_authorization", "THIRD_SECRET_TOKEN");
return TaskUtils.CompletedTask;
}));
var call = client.StreamingOutputCall(new StreamingOutputCallRequest{ },
new CallOptions(credentials: CallCredentials.Compose(first, second, third)));
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.IsFalse(await call.ResponseStream.MoveNext());
}
[Test]
public void MetadataCredentials_InterceptorLeavesMetadataEmpty()
{
var channelCredentials = ChannelCredentials.Create(TestCredentials.CreateSslCredentials(),
CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) => TaskUtils.CompletedTask)));
channel = new Channel(Host, server.Ports.Single().BoundPort, channelCredentials, options);
client = new TestService.TestServiceClient(channel);
var ex = Assert.Throws<RpcException>(() => client.UnaryCall(new SimpleRequest { }));
// StatusCode.Unknown as the server-side handler throws an exception after not receiving the authorization header.
Assert.AreEqual(StatusCode.Unknown, ex.Status.StatusCode);
}
[Test]
public void MetadataCredentials_InterceptorThrows()
{
var callCredentials = CallCredentials.FromInterceptor(new AsyncAuthInterceptor((context, metadata) =>
{
throw new Exception("Auth interceptor throws");
}));
var channelCredentials = ChannelCredentials.Create(TestCredentials.CreateSslCredentials(), callCredentials);
channel = new Channel(Host, server.Ports.Single().BoundPort, channelCredentials, options);
client = new TestService.TestServiceClient(channel);
var ex = Assert.Throws<RpcException>(() => client.UnaryCall(new SimpleRequest { }));
Assert.AreEqual(StatusCode.Unavailable, ex.Status.StatusCode);
}
private class FakeTestService : TestService.TestServiceBase
{
public override Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
{
var authToken = context.RequestHeaders.First((entry) => entry.Key == "authorization").Value;
Assert.AreEqual("SECRET_TOKEN", authToken);
return Task.FromResult(new SimpleResponse());
}
public override async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
{
var first = context.RequestHeaders.First((entry) => entry.Key == "first_authorization").Value;
Assert.AreEqual("FIRST_SECRET_TOKEN", first);
var second = context.RequestHeaders.First((entry) => entry.Key == "second_authorization").Value;
Assert.AreEqual("SECOND_SECRET_TOKEN", second);
var third = context.RequestHeaders.First((entry) => entry.Key == "third_authorization").Value;
Assert.AreEqual("THIRD_SECRET_TOKEN", third);
await responseStream.WriteAsync(new StreamingOutputCallResponse());
}
}
}
}
|
