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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/update_client/unpacker.h"
#include <iterator>
#include <utility>
#include <vector>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "components/crx_file/crx_verifier.h"
#include "components/services/unzip/in_process_unzipper.h"
#include "components/update_client/test_configurator.h"
#include "components/update_client/test_utils.h"
#include "components/update_client/unzip/unzip_impl.h"
#include "components/update_client/unzipper.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace update_client {
class UnpackerTest : public testing::Test {
private:
base::test::TaskEnvironment env_;
};
TEST_F(UnpackerTest, UnpackFullCrx) {
SEQUENCE_CHECKER(sequence_checker);
base::RunLoop loop;
Unpacker::Unpack(
std::vector<uint8_t>(std::begin(jebg_hash), std::end(jebg_hash)),
GetTestFilePath("jebgalgnebhfojomionfpkfelancnnkf.crx"),
base::MakeRefCounted<update_client::UnzipChromiumFactory>(
base::BindRepeating(&unzip::LaunchInProcessUnzipper))
->Create(),
crx_file::VerifierFormat::CRX3,
base::BindLambdaForTesting([&](const Unpacker::Result& result) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker);
EXPECT_EQ(result.error, UnpackerError::kNone);
EXPECT_EQ(result.extended_error, 0);
base::FilePath unpack_path = result.unpack_path;
EXPECT_TRUE(base::DirectoryExists(unpack_path));
EXPECT_EQ(result.public_key, jebg_public_key);
std::optional<int64_t> file_size = base::GetFileSize(
unpack_path.Append(FILE_PATH_LITERAL("component1.dll")));
ASSERT_TRUE(file_size.has_value());
EXPECT_EQ(file_size.value(), 1024);
file_size = base::GetFileSize(
unpack_path.Append(FILE_PATH_LITERAL("manifest.json")));
ASSERT_TRUE(file_size.has_value());
EXPECT_EQ(file_size.value(), 169);
EXPECT_TRUE(base::DeletePathRecursively(unpack_path));
loop.Quit();
}));
loop.Run();
}
TEST_F(UnpackerTest, UnpackFileNotFound) {
SEQUENCE_CHECKER(sequence_checker);
base::RunLoop loop;
Unpacker::Unpack(
std::vector<uint8_t>(std::begin(jebg_hash), std::end(jebg_hash)),
GetTestFilePath("file_not_found.crx"), nullptr,
crx_file::VerifierFormat::CRX3,
base::BindLambdaForTesting([&](const Unpacker::Result& result) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker);
EXPECT_EQ(result.error, UnpackerError::kInvalidFile);
EXPECT_EQ(result.extended_error,
static_cast<int>(
crx_file::VerifierResult::ERROR_FILE_NOT_READABLE));
EXPECT_TRUE(result.unpack_path.empty());
EXPECT_TRUE(result.public_key.empty());
loop.Quit();
}));
loop.Run();
}
// Tests a mismatch between the public key hash and the id of the component.
TEST_F(UnpackerTest, UnpackFileHashMismatch) {
SEQUENCE_CHECKER(sequence_checker);
base::RunLoop loop;
Unpacker::Unpack(
std::vector<uint8_t>(std::begin(abag_hash), std::end(abag_hash)),
GetTestFilePath("jebgalgnebhfojomionfpkfelancnnkf.crx"), nullptr,
crx_file::VerifierFormat::CRX3,
base::BindLambdaForTesting([&](const Unpacker::Result& result) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker);
EXPECT_EQ(result.error, UnpackerError::kInvalidFile);
EXPECT_EQ(result.extended_error,
static_cast<int>(
crx_file::VerifierResult::ERROR_REQUIRED_PROOF_MISSING));
EXPECT_TRUE(result.unpack_path.empty());
EXPECT_TRUE(result.public_key.empty());
loop.Quit();
}));
loop.Run();
}
TEST_F(UnpackerTest, UnpackWithVerifiedContents) {
SEQUENCE_CHECKER(sequence_checker);
base::RunLoop loop;
Unpacker::Unpack(
std::vector<uint8_t>(),
GetTestFilePath("gndmhdcefbhlchkhipcnnbkcmicncehk_22_314.crx3"),
base::MakeRefCounted<update_client::UnzipChromiumFactory>(
base::BindRepeating(&unzip::LaunchInProcessUnzipper))
->Create(),
crx_file::VerifierFormat::CRX3,
base::BindLambdaForTesting([&](const Unpacker::Result& result) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker);
EXPECT_EQ(result.error, UnpackerError::kNone);
base::FilePath unpack_path = result.unpack_path;
EXPECT_FALSE(unpack_path.empty());
EXPECT_TRUE(base::DirectoryExists(unpack_path));
std::optional<int64_t> file_size = base::GetFileSize(
unpack_path.Append(FILE_PATH_LITERAL("_metadata"))
.Append(FILE_PATH_LITERAL("verified_contents.json")));
ASSERT_TRUE(file_size.has_value());
EXPECT_EQ(file_size.value(), 1538);
EXPECT_TRUE(base::DeletePathRecursively(unpack_path));
loop.Quit();
}));
loop.Run();
}
} // namespace update_client
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