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
|
/*
*
* 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.
*
*/
#include <node.h>
#include "call.h"
#include "call_credentials.h"
#include "channel_credentials.h"
#include "grpc/grpc.h"
#include "grpc/grpc_security.h"
#include "grpc/support/log.h"
namespace grpc {
namespace node {
using Nan::Callback;
using Nan::EscapableHandleScope;
using Nan::HandleScope;
using Nan::Maybe;
using Nan::MaybeLocal;
using Nan::ObjectWrap;
using Nan::Persistent;
using Nan::Utf8String;
using v8::Exception;
using v8::External;
using v8::Function;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Local;
using v8::Object;
using v8::ObjectTemplate;
using v8::Value;
Nan::Callback* ChannelCredentials::constructor;
Persistent<FunctionTemplate> ChannelCredentials::fun_tpl;
ChannelCredentials::ChannelCredentials(grpc_channel_credentials* credentials)
: wrapped_credentials(credentials) {}
ChannelCredentials::~ChannelCredentials() {
grpc_channel_credentials_release(wrapped_credentials);
}
void ChannelCredentials::Init(Local<Object> exports) {
HandleScope scope;
Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(New);
tpl->SetClassName(Nan::New("ChannelCredentials").ToLocalChecked());
tpl->InstanceTemplate()->SetInternalFieldCount(1);
Nan::SetPrototypeMethod(tpl, "compose", Compose);
fun_tpl.Reset(tpl);
Local<Function> ctr = Nan::GetFunction(tpl).ToLocalChecked();
Nan::Set(
ctr, Nan::New("createSsl").ToLocalChecked(),
Nan::GetFunction(Nan::New<FunctionTemplate>(CreateSsl)).ToLocalChecked());
Nan::Set(ctr, Nan::New("createInsecure").ToLocalChecked(),
Nan::GetFunction(Nan::New<FunctionTemplate>(CreateInsecure))
.ToLocalChecked());
Nan::Set(exports, Nan::New("ChannelCredentials").ToLocalChecked(), ctr);
constructor = new Nan::Callback(ctr);
}
bool ChannelCredentials::HasInstance(Local<Value> val) {
HandleScope scope;
return Nan::New(fun_tpl)->HasInstance(val);
}
Local<Value> ChannelCredentials::WrapStruct(
grpc_channel_credentials* credentials) {
EscapableHandleScope scope;
const int argc = 1;
Local<Value> argv[argc] = {
Nan::New<External>(reinterpret_cast<void*>(credentials))};
MaybeLocal<Object> maybe_instance =
Nan::NewInstance(constructor->GetFunction(), argc, argv);
if (maybe_instance.IsEmpty()) {
return scope.Escape(Nan::Null());
} else {
return scope.Escape(maybe_instance.ToLocalChecked());
}
}
grpc_channel_credentials* ChannelCredentials::GetWrappedCredentials() {
return wrapped_credentials;
}
NAN_METHOD(ChannelCredentials::New) {
if (info.IsConstructCall()) {
if (!info[0]->IsExternal()) {
return Nan::ThrowTypeError(
"ChannelCredentials can only be created with the provided functions");
}
Local<External> ext = info[0].As<External>();
grpc_channel_credentials* creds_value =
reinterpret_cast<grpc_channel_credentials*>(ext->Value());
ChannelCredentials* credentials = new ChannelCredentials(creds_value);
credentials->Wrap(info.This());
info.GetReturnValue().Set(info.This());
return;
} else {
// This should never be called directly
return Nan::ThrowTypeError(
"ChannelCredentials can only be created with the provided functions");
}
}
NAN_METHOD(ChannelCredentials::CreateSsl) {
char* root_certs = NULL;
grpc_ssl_pem_key_cert_pair key_cert_pair = {NULL, NULL};
if (::node::Buffer::HasInstance(info[0])) {
root_certs = ::node::Buffer::Data(info[0]);
} else if (!(info[0]->IsNull() || info[0]->IsUndefined())) {
return Nan::ThrowTypeError("createSsl's first argument must be a Buffer");
}
if (::node::Buffer::HasInstance(info[1])) {
key_cert_pair.private_key = ::node::Buffer::Data(info[1]);
} else if (!(info[1]->IsNull() || info[1]->IsUndefined())) {
return Nan::ThrowTypeError(
"createSSl's second argument must be a Buffer if provided");
}
if (::node::Buffer::HasInstance(info[2])) {
key_cert_pair.cert_chain = ::node::Buffer::Data(info[2]);
} else if (!(info[2]->IsNull() || info[2]->IsUndefined())) {
return Nan::ThrowTypeError(
"createSSl's third argument must be a Buffer if provided");
}
if ((key_cert_pair.private_key == NULL) !=
(key_cert_pair.cert_chain == NULL)) {
return Nan::ThrowError(
"createSsl's second and third arguments must be"
" provided or omitted together");
}
grpc_channel_credentials* creds = grpc_ssl_credentials_create(
root_certs, key_cert_pair.private_key == NULL ? NULL : &key_cert_pair,
NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(ChannelCredentials::Compose) {
if (!ChannelCredentials::HasInstance(info.This())) {
return Nan::ThrowTypeError(
"compose can only be called on ChannelCredentials objects");
}
if (!CallCredentials::HasInstance(info[0])) {
return Nan::ThrowTypeError(
"compose's first argument must be a CallCredentials object");
}
ChannelCredentials* self =
ObjectWrap::Unwrap<ChannelCredentials>(info.This());
if (self->wrapped_credentials == NULL) {
return Nan::ThrowTypeError("Cannot compose insecure credential");
}
CallCredentials* other = ObjectWrap::Unwrap<CallCredentials>(
Nan::To<Object>(info[0]).ToLocalChecked());
grpc_channel_credentials* creds = grpc_composite_channel_credentials_create(
self->wrapped_credentials, other->GetWrappedCredentials(), NULL);
if (creds == NULL) {
info.GetReturnValue().SetNull();
} else {
info.GetReturnValue().Set(WrapStruct(creds));
}
}
NAN_METHOD(ChannelCredentials::CreateInsecure) {
info.GetReturnValue().Set(WrapStruct(NULL));
}
} // namespace node
} // namespace grpc
|
