| #region Copyright notice and license |
| |
| // Copyright 2017, 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.Runtime.InteropServices; |
| using System.Text; |
| using Grpc.Core; |
| using Grpc.Core.Utils; |
| |
| namespace Grpc.Core.Internal |
| { |
| /// <summary> |
| /// grpc_auth_context |
| /// </summary> |
| internal class AuthContextSafeHandle : SafeHandleZeroIsInvalid |
| { |
| static readonly NativeMethods Native = NativeMethods.Get(); |
| |
| private AuthContextSafeHandle() |
| { |
| } |
| |
| /// <summary> |
| /// Copies contents of the native auth context into a new <c>AuthContext</c> instance. |
| /// </summary> |
| public AuthContext ToAuthContext() |
| { |
| if (IsInvalid) |
| { |
| return new AuthContext(null, new Dictionary<string, List<AuthProperty>>()); |
| } |
| |
| var peerIdentityPropertyName = Marshal.PtrToStringAnsi(Native.grpcsharp_auth_context_peer_identity_property_name(this)); |
| |
| var propertiesDict = new Dictionary<string, List<AuthProperty>>(); |
| |
| var it = Native.grpcsharp_auth_context_property_iterator(this); |
| IntPtr authPropertyPtr = IntPtr.Zero; |
| while ((authPropertyPtr = Native.grpcsharp_auth_property_iterator_next(ref it)) != IntPtr.Zero) |
| { |
| var authProperty = PtrToAuthProperty(authPropertyPtr); |
| |
| if (!propertiesDict.ContainsKey(authProperty.Name)) |
| { |
| propertiesDict[authProperty.Name] = new List<AuthProperty>(); |
| } |
| propertiesDict[authProperty.Name].Add(authProperty); |
| } |
| |
| return new AuthContext(peerIdentityPropertyName, propertiesDict); |
| } |
| |
| protected override bool ReleaseHandle() |
| { |
| Native.grpcsharp_auth_context_release(handle); |
| return true; |
| } |
| |
| private AuthProperty PtrToAuthProperty(IntPtr authPropertyPtr) |
| { |
| var nativeAuthProperty = (NativeAuthProperty) Marshal.PtrToStructure(authPropertyPtr, typeof(NativeAuthProperty)); |
| var name = Marshal.PtrToStringAnsi(nativeAuthProperty.Name); |
| var valueBytes = new byte[(int) nativeAuthProperty.ValueLength]; |
| Marshal.Copy(nativeAuthProperty.Value, valueBytes, 0, (int)nativeAuthProperty.ValueLength); |
| return AuthProperty.CreateUnsafe(name, valueBytes); |
| } |
| |
| /// <summary> |
| /// grpc_auth_property |
| /// </summary> |
| internal struct NativeAuthProperty |
| { |
| public IntPtr Name; |
| public IntPtr Value; |
| public UIntPtr ValueLength; |
| } |
| |
| /// <summary> |
| /// grpc_auth_property_iterator |
| /// </summary> |
| internal struct NativeAuthPropertyIterator |
| { |
| public IntPtr AuthContext; |
| public UIntPtr Index; |
| public IntPtr Name; |
| } |
| } |
| } |