// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/ssl/ssl_platform_key_mac.h"

#include <CoreFoundation/CoreFoundation.h>

#include <string>

#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/ref_counted.h"
#include "base/test/scoped_task_environment.h"
#include "net/ssl/ssl_private_key.h"
#include "net/ssl/ssl_private_key_test_util.h"
#include "net/test/cert_test_util.h"
#include "net/test/keychain_test_util_mac.h"
#include "net/test/test_data_directory.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/boringssl/src/include/openssl/ssl.h"

namespace net {

namespace {

struct TestKey {
  const char* name;
  const char* cert_file;
  const char* key_file;
  int type;
};

const TestKey kTestKeys[] = {
    {"RSA", "client_1.pem", "client_1.pk8", EVP_PKEY_RSA},
    {"ECDSA_P256", "client_4.pem", "client_4.pk8", EVP_PKEY_EC},
    {"ECDSA_P384", "client_5.pem", "client_5.pk8", EVP_PKEY_EC},
    {"ECDSA_P521", "client_6.pem", "client_6.pk8", EVP_PKEY_EC},
};

std::string TestKeyToString(const testing::TestParamInfo<TestKey>& params) {
  return params.param.name;
}

}  // namespace

class SSLPlatformKeyMacTest : public testing::TestWithParam<TestKey> {};

TEST_P(SSLPlatformKeyMacTest, KeyMatches) {
  base::test::ScopedTaskEnvironment scoped_task_environment;

  const TestKey& test_key = GetParam();

  // Load test data.
  scoped_refptr<X509Certificate> cert =
      ImportCertFromFile(GetTestCertsDirectory(), test_key.cert_file);
  ASSERT_TRUE(cert);

  std::string pkcs8;
  base::FilePath pkcs8_path =
      GetTestCertsDirectory().AppendASCII(test_key.key_file);
  ASSERT_TRUE(base::ReadFileToString(pkcs8_path, &pkcs8));

  // Create a temporary keychain.
  ScopedTestKeychain scoped_keychain;
  ASSERT_TRUE(scoped_keychain.Initialize());
  SecKeychainRef keychain = scoped_keychain.keychain();

  // Import cert and key to the keychain.
  base::ScopedCFTypeRef<SecIdentityRef> sec_identity(
      ImportCertAndKeyToKeychain(cert.get(), pkcs8, keychain));
  ASSERT_TRUE(sec_identity);

  // Finally, test the code to look up the key.
  scoped_refptr<SSLPrivateKey> key =
      CreateSSLPrivateKeyForSecIdentity(cert.get(), sec_identity.get());
  ASSERT_TRUE(key);

  // Mac keys from the default provider are expected to support all algorithms,
  // except RSA-PSS which is new in 10.13.
  EXPECT_EQ(SSLPrivateKey::DefaultAlgorithmPreferences(
                test_key.type, base::mac::IsAtLeastOS10_13()),
            key->GetAlgorithmPreferences());

  TestSSLPrivateKeyMatches(key.get(), pkcs8);
}

INSTANTIATE_TEST_CASE_P(,
                        SSLPlatformKeyMacTest,
                        testing::ValuesIn(kTestKeys),
                        TestKeyToString);

}  // namespace net