apexd/apex_file_test.cpp - platform/system/apex - Git at Google

 /*
  * Copyright (C) 2018 The Android Open Source Project
  *
  * 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 <limits>
 #include <string>

 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/scopeguard.h>
 #include <android-base/strings.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <libavb/libavb.h>
 #include <ziparchive/zip_archive.h>

 #include "apex_file.h"
 #include "apexd_test_utils.h"
 #include "apexd_utils.h"

 using android::base::GetExecutableDirectory;
 using android::base::Result;

 static const std::string kTestDataDir = GetExecutableDirectory() + "/";

 namespace android {
 namespace apex {
 namespace {

 struct ApexFileTestParam {
   const char* type;
   const char* prefix;
 };

 constexpr const ApexFileTestParam kParameters[] = {
     {"ext4", "apex.apexd_test"},
     {"f2fs", "apex.apexd_test_f2fs"},
     {"erofs", "apex.apexd_test_erofs"}};

 class ApexFileTest : public ::testing::TestWithParam<ApexFileTestParam> {};

 INSTANTIATE_TEST_SUITE_P(Apex, ApexFileTest, ::testing::ValuesIn(kParameters));

 TEST_P(ApexFileTest, GetOffsetOfSimplePackage) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_TRUE(apex_file.ok());

   uint32_t zip_image_offset;
   size_t zip_image_size;
   {
     ZipArchiveHandle handle;
     int32_t rc = OpenArchive(file_path.c_str(), &handle);
     ASSERT_EQ(0, rc);
     auto close_guard =
         android::base::make_scope_guard([&handle]() { CloseArchive(handle); });

     ZipEntry entry;
     rc = FindEntry(handle, "apex_payload.img", &entry);
     ASSERT_EQ(0, rc);

     zip_image_offset = entry.offset;
     EXPECT_EQ(zip_image_offset % 4096, 0U);
     zip_image_size = entry.uncompressed_length;
     EXPECT_EQ(zip_image_size, entry.compressed_length);
   }

   EXPECT_EQ(zip_image_offset, apex_file->GetImageOffset().value());
   EXPECT_EQ(zip_image_size, apex_file->GetImageSize().value());
 }

 TEST_P(ApexFileTest, OpenBlockApex) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   TemporaryFile temp_file;
   auto loop_device = WriteBlockApex(file_path, temp_file.path);

   Result<ApexFile> apex_file_sized = ApexFile::Open(temp_file.path);
   ASSERT_RESULT_OK(apex_file_sized);

   EXPECT_EQ(apex_file->GetImageOffset(), apex_file_sized->GetImageOffset());
   EXPECT_EQ(apex_file->GetImageSize(), apex_file_sized->GetImageSize());
 }

 TEST(ApexFileTest, GetOffsetMissingFile) {
   const std::string file_path = kTestDataDir + "missing.apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_FALSE(apex_file.ok());
   ASSERT_THAT(apex_file.error().message(),
               ::testing::HasSubstr("Failed to open package"));
 }

 TEST_P(ApexFileTest, GetApexManifest) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);
   EXPECT_EQ("com.android.apex.test_package", apex_file->GetManifest().name());
   EXPECT_EQ(1u, apex_file->GetManifest().version());
 }

 TEST_P(ApexFileTest, VerifyApexVerity) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   auto verity_or =
       apex_file->VerifyApexVerity(apex_file->GetBundledPublicKey());
   ASSERT_RESULT_OK(verity_or);

   const ApexVerityData& data = *verity_or;
   EXPECT_NE(nullptr, data.desc.get());
   EXPECT_EQ(std::string("368a22e64858647bc45498e92f749f85482ac468"
                         "50ca7ec8071f49dfa47a243c"),
             data.salt);

   const std::string digest_path =
       kTestDataDir + GetParam().prefix + "_digest.txt";
   std::string root_digest;
   ASSERT_TRUE(android::base::ReadFileToString(digest_path, &root_digest))
       << "Failed to read " << digest_path;
   root_digest = android::base::Trim(root_digest);

   EXPECT_EQ(std::string(root_digest), data.root_digest);
 }

 TEST_P(ApexFileTest, VerifyApexVerityWrongKey) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   auto verity_or = apex_file->VerifyApexVerity("wrong-key");
   ASSERT_FALSE(verity_or.ok());
 }

 TEST_P(ApexFileTest, GetBundledPublicKey) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   const std::string key_path =
       kTestDataDir + "apexd_testdata/com.android.apex.test_package.avbpubkey";
   std::string key_content;
   ASSERT_TRUE(android::base::ReadFileToString(key_path, &key_content))
       << "Failed to read " << key_path;

   EXPECT_EQ(key_content, apex_file->GetBundledPublicKey());
 }

 TEST(ApexFileTest, CorrutedApexB146895998) {
   const std::string apex_path = kTestDataDir + "corrupted_b146895998.apex";
   Result<ApexFile> apex = ApexFile::Open(apex_path);
   ASSERT_RESULT_OK(apex);
   ASSERT_FALSE(apex->VerifyApexVerity("ignored").ok());
 }

 TEST_P(ApexFileTest, RetrieveFsType) {
   const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_TRUE(apex_file.ok());

   EXPECT_EQ(std::string(GetParam().type), apex_file->GetFsType().value());
 }

 TEST(ApexFileTest, OpenInvalidFilesystem) {
   const std::string file_path =
       kTestDataDir + "apex.apexd_test_corrupt_superblock_apex.apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_FALSE(apex_file.ok());
   ASSERT_THAT(apex_file.error().message(),
               ::testing::HasSubstr("Failed to retrieve filesystem type"));
 }

 TEST(ApexFileTest, OpenCompressedApexFile) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_TRUE(apex_file.ok());

   ASSERT_TRUE(apex_file->IsCompressed());
   ASSERT_FALSE(apex_file->GetImageOffset().has_value());
   ASSERT_FALSE(apex_file->GetImageSize().has_value());
   ASSERT_FALSE(apex_file->GetFsType().has_value());
 }

 TEST(ApexFileTest, OpenFailureForCompressedApexWithoutApex) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1_without_apex.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_FALSE(apex_file.ok());
   ASSERT_THAT(apex_file.error().message(),
               ::testing::HasSubstr("Could not find entry"));
 }

 TEST(ApexFileTest, GetCompressedApexManifest) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);
   EXPECT_EQ("com.android.apex.compressed", apex_file->GetManifest().name());
   EXPECT_EQ(1u, apex_file->GetManifest().version());
 }

 TEST(ApexFileTest, GetBundledPublicKeyOfCompressedApex) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   const std::string key_path =
       kTestDataDir + "apexd_testdata/com.android.apex.compressed.avbpubkey";
   std::string key_content;
   ASSERT_TRUE(android::base::ReadFileToString(key_path, &key_content))
       << "Failed to read " << key_path;

   EXPECT_EQ(key_content, apex_file->GetBundledPublicKey());
 }

 TEST(ApexFileTest, CannotVerifyApexVerityForCompressedApex) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   auto apex = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex);
   auto result = apex->VerifyApexVerity(apex->GetBundledPublicKey());
   ASSERT_FALSE(result.ok());
   ASSERT_THAT(
       result.error().message(),
       ::testing::HasSubstr("Cannot verify ApexVerity of compressed APEX"));
 }

 TEST(ApexFileTest, DecompressCompressedApex) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   // Create a temp dir for decompression
   TemporaryDir tmp_dir;

   const std::string package_name = apex_file->GetManifest().name();
   const std::string decompression_file_path =
       tmp_dir.path + package_name + ".capex";

   auto result = apex_file->Decompress(decompression_file_path);
   ASSERT_RESULT_OK(result);

   // Assert output path is not empty
   auto exists = PathExists(decompression_file_path);
   ASSERT_RESULT_OK(exists);
   ASSERT_TRUE(*exists) << decompression_file_path << " does not exist";

   // Assert properties on the decompressed APEX.
   auto decompressed_apex_file = ApexFile::Open(decompression_file_path);
   ASSERT_RESULT_OK(decompressed_apex_file);
   ASSERT_EQ(apex_file->GetBundledPublicKey(),
             decompressed_apex_file->GetBundledPublicKey());
   ASSERT_EQ(apex_file->GetManifest().name(),
             decompressed_apex_file->GetManifest().name());
   ASSERT_EQ(apex_file->GetManifest().version(),
             decompressed_apex_file->GetManifest().version());
   auto verity_status = decompressed_apex_file->VerifyApexVerity(
       decompressed_apex_file->GetBundledPublicKey());
   ASSERT_RESULT_OK(verity_status);
 }

 TEST(ApexFileTest, DecompressFailForNormalApex) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.apex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);
   ASSERT_RESULT_OK(apex_file);

   TemporaryFile decompression_file;

   auto result = apex_file->Decompress(decompression_file.path);
   ASSERT_FALSE(result.ok());
   ASSERT_THAT(result.error().message(),
               ::testing::HasSubstr("Cannot decompress an uncompressed APEX"));
 }

 TEST(ApexFileTest, DecompressFailIfDecompressionPathExists) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);

   // Attempt to decompress in a path that already exists
   TemporaryFile decompression_file;
   auto exists = PathExists(decompression_file.path);
   ASSERT_RESULT_OK(exists);
   ASSERT_TRUE(*exists) << decompression_file.path << " does not exist";

   auto result = apex_file->Decompress(decompression_file.path);
   ASSERT_FALSE(result.ok());
   ASSERT_THAT(result.error().message(),
               ::testing::HasSubstr("Failed to open decompression destination"));
 }

 TEST(ApexFileTest, GetPathReturnsRealpath) {
   const std::string real_path = kTestDataDir + "apex.apexd_test.apex";
   const std::string symlink_path =
       kTestDataDir + "apex.apexd_test.symlink.apex";

   // In case the link already exists
   int ret = unlink(symlink_path.c_str());
   ASSERT_TRUE(ret == 0 || errno == ENOENT)
       << "failed to unlink " << symlink_path;

   ret = symlink(real_path.c_str(), symlink_path.c_str());
   ASSERT_EQ(0, ret) << "failed to create symlink at " << symlink_path;

   // Open with the symlink. Realpath is expected.
   Result<ApexFile> apex_file = ApexFile::Open(symlink_path);
   ASSERT_RESULT_OK(apex_file);
   ASSERT_EQ(real_path, apex_file->GetPath());
 }

 TEST(ApexFileTest, CompressedSharedLibsApexIsRejected) {
   const std::string file_path =
       kTestDataDir + "com.android.apex.compressed_sharedlibs.capex";
   Result<ApexFile> apex_file = ApexFile::Open(file_path);

   ASSERT_FALSE(apex_file.ok());
   ASSERT_THAT(apex_file.error().message(),
               ::testing::HasSubstr("Apex providing sharedlibs shouldn't "
                                    "be compressed"));
 }

 // Check if CAPEX contains originalApexDigest in its manifest
 TEST(ApexFileTest, OriginalApexDigest) {
   const std::string capex_path =
       kTestDataDir + "com.android.apex.compressed.v1.capex";
   auto capex = ApexFile::Open(capex_path);
   ASSERT_TRUE(capex.ok());
   const std::string decompressed_apex_path =
       kTestDataDir + "com.android.apex.compressed.v1.apex";
   auto decompressed_apex = ApexFile::Open(decompressed_apex_path);
   ASSERT_TRUE(decompressed_apex.ok());
   // Validate root digest
   auto digest = decompressed_apex->VerifyApexVerity(
       decompressed_apex->GetBundledPublicKey());
   ASSERT_TRUE(digest.ok());
   ASSERT_EQ(digest->root_digest,
             capex->GetManifest().capexmetadata().originalapexdigest());
 }
 }  // namespace
 }  // namespace apex
 }  // namespace android
	/*
	* Copyright (C) 2018 The Android Open Source Project
	*
	* 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 <limits>
	#include <string>

	#include <android-base/file.h>
	#include <android-base/logging.h>
	#include <android-base/scopeguard.h>
	#include <android-base/strings.h>
	#include <gmock/gmock.h>
	#include <gtest/gtest.h>
	#include <libavb/libavb.h>
	#include <ziparchive/zip_archive.h>

	#include "apex_file.h"
	#include "apexd_test_utils.h"
	#include "apexd_utils.h"

	using android::base::GetExecutableDirectory;
	using android::base::Result;

	static const std::string kTestDataDir = GetExecutableDirectory() + "/";

	namespace android {
	namespace apex {
	namespace {

	struct ApexFileTestParam {
	const char* type;
	const char* prefix;
	};

	constexpr const ApexFileTestParam kParameters[] = {
	{"ext4", "apex.apexd_test"},
	{"f2fs", "apex.apexd_test_f2fs"},
	{"erofs", "apex.apexd_test_erofs"}};

	class ApexFileTest : public ::testing::TestWithParam<ApexFileTestParam> {};

	INSTANTIATE_TEST_SUITE_P(Apex, ApexFileTest, ::testing::ValuesIn(kParameters));

	TEST_P(ApexFileTest, GetOffsetOfSimplePackage) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_TRUE(apex_file.ok());

	uint32_t zip_image_offset;
	size_t zip_image_size;
	{
	ZipArchiveHandle handle;
	int32_t rc = OpenArchive(file_path.c_str(), &handle);
	ASSERT_EQ(0, rc);
	auto close_guard =
	android::base::make_scope_guard([&handle]() { CloseArchive(handle); });

	ZipEntry entry;
	rc = FindEntry(handle, "apex_payload.img", &entry);
	ASSERT_EQ(0, rc);

	zip_image_offset = entry.offset;
	EXPECT_EQ(zip_image_offset % 4096, 0U);
	zip_image_size = entry.uncompressed_length;
	EXPECT_EQ(zip_image_size, entry.compressed_length);
	}

	EXPECT_EQ(zip_image_offset, apex_file->GetImageOffset().value());
	EXPECT_EQ(zip_image_size, apex_file->GetImageSize().value());
	}

	TEST_P(ApexFileTest, OpenBlockApex) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	TemporaryFile temp_file;
	auto loop_device = WriteBlockApex(file_path, temp_file.path);

	Result<ApexFile> apex_file_sized = ApexFile::Open(temp_file.path);
	ASSERT_RESULT_OK(apex_file_sized);

	EXPECT_EQ(apex_file->GetImageOffset(), apex_file_sized->GetImageOffset());
	EXPECT_EQ(apex_file->GetImageSize(), apex_file_sized->GetImageSize());
	}

	TEST(ApexFileTest, GetOffsetMissingFile) {
	const std::string file_path = kTestDataDir + "missing.apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_FALSE(apex_file.ok());
	ASSERT_THAT(apex_file.error().message(),
	::testing::HasSubstr("Failed to open package"));
	}

	TEST_P(ApexFileTest, GetApexManifest) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);
	EXPECT_EQ("com.android.apex.test_package", apex_file->GetManifest().name());
	EXPECT_EQ(1u, apex_file->GetManifest().version());
	}

	TEST_P(ApexFileTest, VerifyApexVerity) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	auto verity_or =
	apex_file->VerifyApexVerity(apex_file->GetBundledPublicKey());
	ASSERT_RESULT_OK(verity_or);

	const ApexVerityData& data = *verity_or;
	EXPECT_NE(nullptr, data.desc.get());
	EXPECT_EQ(std::string("368a22e64858647bc45498e92f749f85482ac468"
	"50ca7ec8071f49dfa47a243c"),
	data.salt);

	const std::string digest_path =
	kTestDataDir + GetParam().prefix + "_digest.txt";
	std::string root_digest;
	ASSERT_TRUE(android::base::ReadFileToString(digest_path, &root_digest))
	<< "Failed to read " << digest_path;
	root_digest = android::base::Trim(root_digest);

	EXPECT_EQ(std::string(root_digest), data.root_digest);
	}

	TEST_P(ApexFileTest, VerifyApexVerityWrongKey) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	auto verity_or = apex_file->VerifyApexVerity("wrong-key");
	ASSERT_FALSE(verity_or.ok());
	}

	TEST_P(ApexFileTest, GetBundledPublicKey) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	const std::string key_path =
	kTestDataDir + "apexd_testdata/com.android.apex.test_package.avbpubkey";
	std::string key_content;
	ASSERT_TRUE(android::base::ReadFileToString(key_path, &key_content))
	<< "Failed to read " << key_path;

	EXPECT_EQ(key_content, apex_file->GetBundledPublicKey());
	}

	TEST(ApexFileTest, CorrutedApexB146895998) {
	const std::string apex_path = kTestDataDir + "corrupted_b146895998.apex";
	Result<ApexFile> apex = ApexFile::Open(apex_path);
	ASSERT_RESULT_OK(apex);
	ASSERT_FALSE(apex->VerifyApexVerity("ignored").ok());
	}

	TEST_P(ApexFileTest, RetrieveFsType) {
	const std::string file_path = kTestDataDir + GetParam().prefix + ".apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_TRUE(apex_file.ok());

	EXPECT_EQ(std::string(GetParam().type), apex_file->GetFsType().value());
	}

	TEST(ApexFileTest, OpenInvalidFilesystem) {
	const std::string file_path =
	kTestDataDir + "apex.apexd_test_corrupt_superblock_apex.apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_FALSE(apex_file.ok());
	ASSERT_THAT(apex_file.error().message(),
	::testing::HasSubstr("Failed to retrieve filesystem type"));
	}

	TEST(ApexFileTest, OpenCompressedApexFile) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_TRUE(apex_file.ok());

	ASSERT_TRUE(apex_file->IsCompressed());
	ASSERT_FALSE(apex_file->GetImageOffset().has_value());
	ASSERT_FALSE(apex_file->GetImageSize().has_value());
	ASSERT_FALSE(apex_file->GetFsType().has_value());
	}

	TEST(ApexFileTest, OpenFailureForCompressedApexWithoutApex) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1_without_apex.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_FALSE(apex_file.ok());
	ASSERT_THAT(apex_file.error().message(),
	::testing::HasSubstr("Could not find entry"));
	}

	TEST(ApexFileTest, GetCompressedApexManifest) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);
	EXPECT_EQ("com.android.apex.compressed", apex_file->GetManifest().name());
	EXPECT_EQ(1u, apex_file->GetManifest().version());
	}

	TEST(ApexFileTest, GetBundledPublicKeyOfCompressedApex) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	const std::string key_path =
	kTestDataDir + "apexd_testdata/com.android.apex.compressed.avbpubkey";
	std::string key_content;
	ASSERT_TRUE(android::base::ReadFileToString(key_path, &key_content))
	<< "Failed to read " << key_path;

	EXPECT_EQ(key_content, apex_file->GetBundledPublicKey());
	}

	TEST(ApexFileTest, CannotVerifyApexVerityForCompressedApex) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	auto apex = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex);
	auto result = apex->VerifyApexVerity(apex->GetBundledPublicKey());
	ASSERT_FALSE(result.ok());
	ASSERT_THAT(
	result.error().message(),
	::testing::HasSubstr("Cannot verify ApexVerity of compressed APEX"));
	}

	TEST(ApexFileTest, DecompressCompressedApex) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	// Create a temp dir for decompression
	TemporaryDir tmp_dir;

	const std::string package_name = apex_file->GetManifest().name();
	const std::string decompression_file_path =
	tmp_dir.path + package_name + ".capex";

	auto result = apex_file->Decompress(decompression_file_path);
	ASSERT_RESULT_OK(result);

	// Assert output path is not empty
	auto exists = PathExists(decompression_file_path);
	ASSERT_RESULT_OK(exists);
	ASSERT_TRUE(*exists) << decompression_file_path << " does not exist";

	// Assert properties on the decompressed APEX.
	auto decompressed_apex_file = ApexFile::Open(decompression_file_path);
	ASSERT_RESULT_OK(decompressed_apex_file);
	ASSERT_EQ(apex_file->GetBundledPublicKey(),
	decompressed_apex_file->GetBundledPublicKey());
	ASSERT_EQ(apex_file->GetManifest().name(),
	decompressed_apex_file->GetManifest().name());
	ASSERT_EQ(apex_file->GetManifest().version(),
	decompressed_apex_file->GetManifest().version());
	auto verity_status = decompressed_apex_file->VerifyApexVerity(
	decompressed_apex_file->GetBundledPublicKey());
	ASSERT_RESULT_OK(verity_status);
	}

	TEST(ApexFileTest, DecompressFailForNormalApex) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.apex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);
	ASSERT_RESULT_OK(apex_file);

	TemporaryFile decompression_file;

	auto result = apex_file->Decompress(decompression_file.path);
	ASSERT_FALSE(result.ok());
	ASSERT_THAT(result.error().message(),
	::testing::HasSubstr("Cannot decompress an uncompressed APEX"));
	}

	TEST(ApexFileTest, DecompressFailIfDecompressionPathExists) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);

	// Attempt to decompress in a path that already exists
	TemporaryFile decompression_file;
	auto exists = PathExists(decompression_file.path);
	ASSERT_RESULT_OK(exists);
	ASSERT_TRUE(*exists) << decompression_file.path << " does not exist";

	auto result = apex_file->Decompress(decompression_file.path);
	ASSERT_FALSE(result.ok());
	ASSERT_THAT(result.error().message(),
	::testing::HasSubstr("Failed to open decompression destination"));
	}

	TEST(ApexFileTest, GetPathReturnsRealpath) {
	const std::string real_path = kTestDataDir + "apex.apexd_test.apex";
	const std::string symlink_path =
	kTestDataDir + "apex.apexd_test.symlink.apex";

	// In case the link already exists
	int ret = unlink(symlink_path.c_str());
	ASSERT_TRUE(ret == 0 \|\| errno == ENOENT)
	<< "failed to unlink " << symlink_path;

	ret = symlink(real_path.c_str(), symlink_path.c_str());
	ASSERT_EQ(0, ret) << "failed to create symlink at " << symlink_path;

	// Open with the symlink. Realpath is expected.
	Result<ApexFile> apex_file = ApexFile::Open(symlink_path);
	ASSERT_RESULT_OK(apex_file);
	ASSERT_EQ(real_path, apex_file->GetPath());
	}

	TEST(ApexFileTest, CompressedSharedLibsApexIsRejected) {
	const std::string file_path =
	kTestDataDir + "com.android.apex.compressed_sharedlibs.capex";
	Result<ApexFile> apex_file = ApexFile::Open(file_path);

	ASSERT_FALSE(apex_file.ok());
	ASSERT_THAT(apex_file.error().message(),
	::testing::HasSubstr("Apex providing sharedlibs shouldn't "
	"be compressed"));
	}

	// Check if CAPEX contains originalApexDigest in its manifest
	TEST(ApexFileTest, OriginalApexDigest) {
	const std::string capex_path =
	kTestDataDir + "com.android.apex.compressed.v1.capex";
	auto capex = ApexFile::Open(capex_path);
	ASSERT_TRUE(capex.ok());
	const std::string decompressed_apex_path =
	kTestDataDir + "com.android.apex.compressed.v1.apex";
	auto decompressed_apex = ApexFile::Open(decompressed_apex_path);
	ASSERT_TRUE(decompressed_apex.ok());
	// Validate root digest
	auto digest = decompressed_apex->VerifyApexVerity(
	decompressed_apex->GetBundledPublicKey());
	ASSERT_TRUE(digest.ok());
	ASSERT_EQ(digest->root_digest,
	capex->GetManifest().capexmetadata().originalapexdigest());
	}
	} // namespace
	} // namespace apex
	} // namespace android