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
|
/*
*
* 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.
*
*/
#include <grpc/support/log.h>
#include <grpc++/channel_arguments.h>
#include "src/cpp/client/channel.h"
#include "src/cpp/client/secure_credentials.h"
namespace grpc {
std::shared_ptr<grpc::ChannelInterface> SecureCredentials::CreateChannel(
const string& target, const grpc::ChannelArguments& args) {
grpc_channel_args channel_args;
args.SetChannelArgs(&channel_args);
return std::shared_ptr<ChannelInterface>(new Channel(
args.GetSslTargetNameOverride().empty() ? target
: args.GetSslTargetNameOverride(),
grpc_secure_channel_create(c_creds_, target.c_str(), &channel_args)));
}
bool SecureCredentials::ApplyToCall(grpc_call* call) {
return grpc_call_set_credentials(call, c_creds_) == GRPC_CALL_OK;
}
namespace {
std::shared_ptr<Credentials> WrapCredentials(grpc_credentials* creds) {
return creds == nullptr
? nullptr
: std::shared_ptr<Credentials>(new SecureCredentials(creds));
}
} // namespace
std::shared_ptr<Credentials> GoogleDefaultCredentials() {
return WrapCredentials(grpc_google_default_credentials_create());
}
// Builds SSL Credentials given SSL specific options
std::shared_ptr<Credentials> SslCredentials(
const SslCredentialsOptions& options) {
grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {
options.pem_private_key.c_str(), options.pem_cert_chain.c_str()};
grpc_credentials* c_creds = grpc_ssl_credentials_create(
options.pem_root_certs.empty() ? nullptr : options.pem_root_certs.c_str(),
options.pem_private_key.empty() ? nullptr : &pem_key_cert_pair);
return WrapCredentials(c_creds);
}
// Builds credentials for use when running in GCE
std::shared_ptr<Credentials> ComputeEngineCredentials() {
return WrapCredentials(grpc_compute_engine_credentials_create());
}
// Builds service account credentials.
std::shared_ptr<Credentials> ServiceAccountCredentials(
const grpc::string& json_key, const grpc::string& scope,
long token_lifetime_seconds) {
if (token_lifetime_seconds <= 0) {
gpr_log(GPR_ERROR,
"Trying to create ServiceAccountCredentials "
"with non-positive lifetime");
return WrapCredentials(nullptr);
}
gpr_timespec lifetime = gpr_time_from_seconds(token_lifetime_seconds);
return WrapCredentials(grpc_service_account_credentials_create(
json_key.c_str(), scope.c_str(), lifetime));
}
// Builds JWT credentials.
std::shared_ptr<Credentials> JWTCredentials(const grpc::string& json_key,
long token_lifetime_seconds) {
if (token_lifetime_seconds <= 0) {
gpr_log(GPR_ERROR,
"Trying to create JWTCredentials with non-positive lifetime");
return WrapCredentials(nullptr);
}
gpr_timespec lifetime = gpr_time_from_seconds(token_lifetime_seconds);
return WrapCredentials(
grpc_jwt_credentials_create(json_key.c_str(), lifetime));
}
// Builds refresh token credentials.
std::shared_ptr<Credentials> RefreshTokenCredentials(
const grpc::string& json_refresh_token) {
return WrapCredentials(
grpc_refresh_token_credentials_create(json_refresh_token.c_str()));
}
// Builds access token credentials.
std::shared_ptr<Credentials> AccessTokenCredentials(
const grpc::string& access_token) {
return WrapCredentials(
grpc_access_token_credentials_create(access_token.c_str()));
}
// Builds IAM credentials.
std::shared_ptr<Credentials> IAMCredentials(
const grpc::string& authorization_token,
const grpc::string& authority_selector) {
return WrapCredentials(grpc_iam_credentials_create(
authorization_token.c_str(), authority_selector.c_str()));
}
// Combines two credentials objects into a composite credentials.
std::shared_ptr<Credentials> CompositeCredentials(
const std::shared_ptr<Credentials>& creds1,
const std::shared_ptr<Credentials>& creds2) {
// Note that we are not saving shared_ptrs to the two credentials
// passed in here. This is OK because the underlying C objects (i.e.,
// creds1 and creds2) into grpc_composite_credentials_create will see their
// refcounts incremented.
SecureCredentials* s1 = creds1->AsSecureCredentials();
SecureCredentials* s2 = creds2->AsSecureCredentials();
if (s1 && s2) {
return WrapCredentials(grpc_composite_credentials_create(
s1->GetRawCreds(), s2->GetRawCreds()));
}
return nullptr;
}
} // namespace grpc
|
