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
|
#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;
}
}
}
|
