1 files changed, 0 insertions, 125 deletions
diff --git a/src/csharp/Grpc.Auth/GoogleCredential.cs b/src/csharp/Grpc.Auth/GoogleCredential.cs
deleted file mode 100644
index 9936cf583c..0000000000
--- a/src/csharp/Grpc.Auth/GoogleCredential.cs
+++ /dev/null
@@ -1,125 +0,0 @@
-#region Copyright notice and license
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#endregion
-
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Security.Cryptography;
-using System.Threading;
-using System.Threading.Tasks;
-
-using Google.Apis.Auth.OAuth2;
-using Google.Apis.Auth.OAuth2.Responses;
-using Newtonsoft.Json.Linq;
-using Org.BouncyCastle.Crypto.Parameters;
-using Org.BouncyCastle.Security;
-
-namespace Grpc.Auth
-{
-    // TODO(jtattermusch): Remove this class once possible.
-    /// <summary>
-    /// A temporary placeholder for Google credential from 
-    /// Google Auth library for .NET. It emulates the usage pattern 
-    /// for Usable auth.
-    /// </summary>
-    public class GoogleCredential
-    {
-        private const string GoogleApplicationCredentialsEnvName = "GOOGLE_APPLICATION_CREDENTIALS";
-        private const string ClientEmailFieldName = "client_email";
-        private const string PrivateKeyFieldName = "private_key";
-
-        private ServiceCredential credential;
-
-        private GoogleCredential(ServiceCredential credential)
-        {
-            this.credential = credential;
-        }
-
-        public static GoogleCredential GetApplicationDefault()
-        {
-            return new GoogleCredential(null);  
-        }
-
-        public bool IsCreateScopedRequired
-        {
-            get
-            {
-                return true;
-            }
-        }
-
-        public GoogleCredential CreateScoped(IEnumerable<string> scopes)
-        {
-            var credsPath = Environment.GetEnvironmentVariable(GoogleApplicationCredentialsEnvName);
-            if (credsPath == null)
-            {
-                // Default to ComputeCredentials if path to JSON key is not set.
-                // ComputeCredential is not scoped actually, but for our use case it's
-                // fine to treat is as such.
-                return new GoogleCredential(new ComputeCredential(new ComputeCredential.Initializer()));
-            }
-
-            JObject jsonCredentialParameters = JObject.Parse(File.ReadAllText(credsPath));
-            string clientEmail = jsonCredentialParameters.GetValue(ClientEmailFieldName).Value<string>();
-            string privateKeyString = jsonCredentialParameters.GetValue(PrivateKeyFieldName).Value<string>();
-
-            var serviceCredential = new ServiceAccountCredential(
-                new ServiceAccountCredential.Initializer(clientEmail)
-                {
-                    Scopes = scopes,
-                }.FromPrivateKey(privateKeyString));
-            return new GoogleCredential(serviceCredential);
-        }
-
-        public Task<bool> RequestAccessTokenAsync(CancellationToken taskCancellationToken)
-        {
-            return credential.RequestAccessTokenAsync(taskCancellationToken);
-        }
-
-        public TokenResponse Token
-        {
-            get
-            {
-                return credential.Token;
-            }
-        }
-
-        internal ServiceCredential InternalCredential
-        {
-            get
-            {
-                return credential;
-            }
-        }
-    }
-}