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/*
*
* Copyright 2016, 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 "test/cpp/util/test_credentials_provider.h"
#include <unordered_map>
#include <grpc++/impl/sync.h>
#include <grpc/support/sync.h>
#include "test/core/end2end/data/ssl_test_data.h"
namespace {
using grpc::ChannelArguments;
using grpc::ChannelCredentials;
using grpc::InsecureChannelCredentials;
using grpc::InsecureServerCredentials;
using grpc::ServerCredentials;
using grpc::SslCredentialsOptions;
using grpc::SslServerCredentialsOptions;
using grpc::testing::CredentialTypeProvider;
// Provide test credentials. Thread-safe.
class CredentialsProvider {
public:
virtual ~CredentialsProvider() {}
virtual void AddSecureType(
const grpc::string& type,
std::unique_ptr<CredentialTypeProvider> type_provider) = 0;
virtual std::shared_ptr<ChannelCredentials> GetChannelCredentials(
const grpc::string& type, ChannelArguments* args) = 0;
virtual std::shared_ptr<ServerCredentials> GetServerCredentials(
const grpc::string& type) = 0;
virtual std::vector<grpc::string> GetSecureCredentialsTypeList() = 0;
};
class DefaultCredentialsProvider : public CredentialsProvider {
public:
~DefaultCredentialsProvider() override {}
void AddSecureType(
const grpc::string& type,
std::unique_ptr<CredentialTypeProvider> type_provider) override {
// This clobbers any existing entry for type, except the defaults, which
// can't be clobbered.
grpc::unique_lock<grpc::mutex> lock(mu_);
added_secure_types_[type] = std::move(type_provider);
}
std::shared_ptr<ChannelCredentials> GetChannelCredentials(
const grpc::string& type, ChannelArguments* args) override {
if (type == grpc::testing::kInsecureCredentialsType) {
return InsecureChannelCredentials();
} else if (type == grpc::testing::kTlsCredentialsType) {
SslCredentialsOptions ssl_opts = {test_root_cert, "", ""};
args->SetSslTargetNameOverride("foo.test.google.fr");
return SslCredentials(ssl_opts);
} else {
grpc::unique_lock<grpc::mutex> lock(mu_);
auto it(added_secure_types_.find(type));
if (it == added_secure_types_.end()) {
gpr_log(GPR_ERROR, "Unsupported credentials type %s.", type.c_str());
return nullptr;
}
return it->second->GetChannelCredentials(args);
}
}
std::shared_ptr<ServerCredentials> GetServerCredentials(
const grpc::string& type) override {
if (type == grpc::testing::kInsecureCredentialsType) {
return InsecureServerCredentials();
} else if (type == grpc::testing::kTlsCredentialsType) {
SslServerCredentialsOptions::PemKeyCertPair pkcp = {test_server1_key,
test_server1_cert};
SslServerCredentialsOptions ssl_opts;
ssl_opts.pem_root_certs = "";
ssl_opts.pem_key_cert_pairs.push_back(pkcp);
return SslServerCredentials(ssl_opts);
} else {
grpc::unique_lock<grpc::mutex> lock(mu_);
auto it(added_secure_types_.find(type));
if (it == added_secure_types_.end()) {
gpr_log(GPR_ERROR, "Unsupported credentials type %s.", type.c_str());
return nullptr;
}
return it->second->GetServerCredentials();
}
}
std::vector<grpc::string> GetSecureCredentialsTypeList() override {
std::vector<grpc::string> types;
types.push_back(grpc::testing::kTlsCredentialsType);
grpc::unique_lock<grpc::mutex> lock(mu_);
for (const auto& type_pair : added_secure_types_) {
types.push_back(type_pair.first);
}
return types;
}
private:
grpc::mutex mu_;
std::unordered_map<grpc::string, std::unique_ptr<CredentialTypeProvider> >
added_secure_types_;
};
gpr_once g_once_init_provider = GPR_ONCE_INIT;
CredentialsProvider* g_provider = nullptr;
void CreateDefaultProvider() { g_provider = new DefaultCredentialsProvider; }
CredentialsProvider* GetProvider() {
gpr_once_init(&g_once_init_provider, &CreateDefaultProvider);
return g_provider;
}
} // namespace
namespace grpc {
namespace testing {
void AddSecureType(const grpc::string& type,
std::unique_ptr<CredentialTypeProvider> type_provider) {
GetProvider()->AddSecureType(type, std::move(type_provider));
}
std::shared_ptr<ChannelCredentials> GetChannelCredentials(
const grpc::string& type, ChannelArguments* args) {
return GetProvider()->GetChannelCredentials(type, args);
}
std::shared_ptr<ServerCredentials> GetServerCredentials(
const grpc::string& type) {
return GetProvider()->GetServerCredentials(type);
}
std::vector<grpc::string> GetSecureCredentialsTypeList() {
return GetProvider()->GetSecureCredentialsTypeList();
}
} // namespace testing
} // namespace grpc
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