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#region Copyright notice and license
// Copyright 2015 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.Concurrent;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;
namespace Grpc.Core.Internal
{
/// <summary>
/// Overrides the content of default SSL roots.
/// </summary>
internal static class DefaultSslRootsOverride
{
const string RootsPemResourceName = "Grpc.Core.roots.pem";
static object staticLock = new object();
/// <summary>
/// Overrides C core's default roots with roots.pem loaded as embedded resource.
/// </summary>
public static void Override(NativeMethods native)
{
lock (staticLock)
{
var stream = typeof(DefaultSslRootsOverride).GetTypeInfo().Assembly.GetManifestResourceStream(RootsPemResourceName);
if (stream == null)
{
throw new IOException(string.Format("Error loading the embedded resource \"{0}\"", RootsPemResourceName));
}
using (var streamReader = new StreamReader(stream))
{
var pemRootCerts = streamReader.ReadToEnd();
native.grpcsharp_override_default_ssl_roots(pemRootCerts);
}
}
}
}
}
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