Sandbox brotli

pull/138/head
Mariusz Zaborski 2022-03-06 11:24:14 -05:00
parent 8e82b900f4
commit dd3cb0f1b5
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# Copyright 2022 Google LLC
#
# 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
#
# https://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.
cmake_minimum_required(VERSION 3.13..3.22)
project(sapi_brotli CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
if(NOT TARGET sapi::sapi)
set(SAPI_ROOT "../.." CACHE PATH "Path to the Sandboxed API source tree")
add_subdirectory("${SAPI_ROOT}"
"${CMAKE_BINARY_DIR}/sandboxed-api-build"
EXCLUDE_FROM_ALL)
endif()
FetchContent_Declare(libbrotli
GIT_REPOSITORY https://github.com/google/brotli.git
GIT_TAG f4153a09f87cbb9c826d8fc12c74642bb2d879ea
)
FetchContent_MakeAvailable(libbrotli)
set(brotli_INCLUDE_DIR "${brotli_SOURCE_DIR}/c/include")
configure_file(brotli.gen.h.in brotli.gen.h)
add_library(brotli_static INTERFACE)
target_link_libraries(brotli_static INTERFACE
brotlicommon-static
brotlidec-static
brotlienc-static
)
add_sapi_library(
sapi_brotli
FUNCTIONS
BrotliDecoderCreateInstance
BrotliDecoderSetParameter
BrotliDecoderDecompressStream
BrotliDecoderTakeOutput
BrotliDecoderDestroyInstance
BrotliEncoderCreateInstance
BrotliEncoderCompressStream
BrotliEncoderTakeOutput
BrotliEncoderSetParameter
BrotliEncoderDestroyInstance
INPUTS
"${CMAKE_BINARY_DIR}/brotli.gen.h"
LIBRARY brotli_static
LIBRARY_NAME Brotli
NAMESPACE ""
)
add_library(sapi_contrib::brotli ALIAS sapi_brotli)
target_include_directories(sapi_brotli INTERFACE
"${PROJECT_BINARY_DIR}"
"${SAPI_SOURCE_DIR}"
)
if(SAPI_ENABLE_EXAMPLES)
add_subdirectory(example)
endif()
if(SAPI_ENABLE_TESTS)
add_subdirectory(test)
endif()

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
// The generator dosen't handle well complicated structures
// and dependencies of brotli. We have to enforce multiple includes.
#include "${brotli_INCLUDE_DIR}/brotli/port.h"
#include "${brotli_INCLUDE_DIR}/brotli/types.h"
#include "${brotli_INCLUDE_DIR}/brotli/encode.h"
#include "${brotli_INCLUDE_DIR}/brotli/decode.h"

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# Copyright 2022 Google LLC
#
# 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
#
# https://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.
add_executable(
sapi_minibroli
main.cc
../utils/utils_brotli.cc
../utils/utils_brotli_enc.cc
../utils/utils_brotli_dec.cc
)
target_link_libraries(
sapi_minibroli PRIVATE
sapi_brotli
sapi::sapi
absl::flags_parse
)

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// Copyright 2022 Google LLC
//
// 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
//
// https://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 <iostream>
#include <string>
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "contrib/brotli/sandboxed.h"
#include "contrib/brotli/utils/utils_brotli.h"
#include "contrib/brotli/utils/utils_brotli_enc.h"
#include "contrib/brotli/utils/utils_brotli_dec.h"
ABSL_FLAG(bool, decompress, false, "decompress");
absl::Status CompressInMemory(BrotliSandbox& sandbox,
const std::string &in_file_s, const std::string &out_file_s) {
BrotliEncoder enc(&sandbox);
if (!enc.IsInit()) {
return absl::UnavailableError("Unable to init brotli encoder");
}
SAPI_ASSIGN_OR_RETURN(std::vector<uint8_t> buf_in,
ReadFile(in_file_s));
SAPI_RETURN_IF_ERROR(enc.Compress(buf_in));
SAPI_ASSIGN_OR_RETURN(std::vector<uint8_t> buf_out,
enc.TakeOutput());
SAPI_RETURN_IF_ERROR(WriteFile(out_file_s, buf_out));
return absl::OkStatus();
}
absl::Status DecompressInMemory(BrotliSandbox& sandbox,
const std::string &in_file_s, const std::string &out_file_s) {
BrotliDecoder dec(&sandbox);
if (!dec.IsInit()) {
return absl::UnavailableError("Unable to init brotli decoder");
}
SAPI_ASSIGN_OR_RETURN(std::vector<uint8_t> buf_in,
ReadFile(in_file_s));
SAPI_ASSIGN_OR_RETURN(BrotliDecoderResult ret, dec.Decompress(buf_in));
if (ret != BROTLI_DECODER_RESULT_SUCCESS) {
return absl::UnavailableError("Compressed file corrupt");
}
SAPI_ASSIGN_OR_RETURN(std::vector<uint8_t> buf_out,
dec.TakeOutput());
SAPI_RETURN_IF_ERROR(WriteFile(out_file_s, buf_out));
return absl::OkStatus();
}
int main(int argc, char* argv[]) {
std::string prog_name(argv[0]);
google::InitGoogleLogging(argv[0]);
std::vector<char*> args = absl::ParseCommandLine(argc, argv);
if (args.size() != 3) {
std::cerr << "Usage:\n " << prog_name << " INPUT OUTPUT\n";
return EXIT_FAILURE;
}
std::string in_file_s(args[1]);
std::string out_file_s(args[2]);
BrotliSapiSandbox sandbox;
if (!sandbox.Init().ok()) {
std::cerr << "Unable to start sandbox\n";
return EXIT_FAILURE;
}
absl::Status status;
if (absl::GetFlag(FLAGS_decompress)) {
status = DecompressInMemory(sandbox, in_file_s, out_file_s);
} else {
status = CompressInMemory(sandbox, in_file_s, out_file_s);
}
if (!status.ok()) {
std::cerr << status << "\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}

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Suspendisse potenti. Nulla mi lorem, dictum accumsan mollis vitae, commodo vitae purus. Nullam accumsan lectus elit, vel volutpat lectus varius eget. Sed in condimentum neque. Mauris nibh arcu, dignissim sed ipsum a, imperdiet mattis neque. Nam eu pretium orci, a semper mauris. Proin dui lacus, auctor nec nibh sed, eleifend interdum libero. Vestibulum venenatis gravida risus in pulvinar. Sed sit amet leo vehicula, lacinia nisi et, dignissim ex. Fusce consectetur sollicitudin nisi. Pellentesque nec mauris vitae arcu iaculis semper eu eu odio. Ut facilisis erat a hendrerit egestas. Nullam tristique augue nunc, et ornare risus efficitur et. Quisque placerat risus metus, eu rutrum dui egestas et. Donec elementum sapien leo, vitae porttitor metus pharetra luctus.
Ut non neque vel nibh accumsan luctus at eu ipsum. Ut vitae lacus vestibulum, sodales purus quis, elementum neque. Pellentesque a justo non massa finibus iaculis in sit amet mi. Nunc vel justo libero. Proin mollis ex quis nulla sollicitudin, quis porttitor justo imperdiet. Aenean vulputate semper consectetur. Aenean nibh tortor, viverra commodo magna sed, condimentum efficitur tellus. Maecenas eros mauris, tempor at porta ut, laoreet quis est. Proin eu purus a dolor aliquet bibendum nec ac velit. Phasellus quis tortor risus. Aliquam non felis quis massa scelerisque ullamcorper. Nulla tristique nunc ligula, quis semper lacus tincidunt ut. Maecenas in aliquet magna. Phasellus sed dolor id felis blandit efficitur a at nulla.
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Aliquam feugiat, elit a lobortis aliquam, orci augue rhoncus urna, et condimentum nibh est at est. Morbi eu diam quis nisi tristique tempus id ac tortor. Praesent a aliquet sem. Donec a mollis tellus, in dapibus ligula. Nullam quis dictum leo. Nam turpis diam, imperdiet id felis non, rutrum vehicula dui. Donec eleifend augue eu mauris tristique, non condimentum sapien dapibus. Fusce congue scelerisque suscipit. In in vulputate enim, malesuada mollis augue. Vestibulum tristique tempus ipsum vel venenatis. Quisque mauris urna, congue in lorem sed, dapibus convallis lorem. In eget arcu varius, tempor nisi quis, fermentum ipsum. Cras faucibus lacus sed massa pulvinar, vel viverra felis rhoncus.
Nulla in nisi fringilla, molestie nisi at, dapibus arcu. Aenean ut justo eget neque tincidunt elementum. Ut varius, neque eu tempor pellentesque, magna turpis fermentum neque, eget pulvinar diam purus sit amet augue. Curabitur suscipit pharetra nisi egestas convallis. Aliquam et ex pulvinar eros malesuada viverra sed in libero. Quisque molestie dictum arcu at ultricies. Nulla id metus non lacus posuere vestibulum vel ut sem. Proin pulvinar nisl nisl, a imperdiet enim ultrices vel. Etiam malesuada posuere dignissim. Donec mollis nulla ut enim sollicitudin, nec commodo ante malesuada. Quisque sit amet augue eu quam malesuada mollis sed at ipsum.
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Integer mauris nulla, auctor vel imperdiet vitae, commodo vel arcu. Nulla sit amet tempor ante, ac elementum dolor. Nam fermentum euismod est nec pulvinar. Etiam eleifend blandit nisl non mollis. Vestibulum porta sed nunc at aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Interdum et malesuada fames ac ante ipsum primis in faucibus. Donec id sem eu eros lobortis malesuada. Maecenas cursus neque a purus rhoncus, fermentum sagittis enim viverra. Proin blandit laoreet est eget feugiat.
Nulla nec nulla pellentesque, ullamcorper felis eget, bibendum augue. Sed lectus felis, tempor ac est non, commodo viverra augue. Ut bibendum arcu eget dapibus consectetur. Morbi id lectus vulputate, maximus leo sed, tincidunt leo. Nunc id nibh a lacus sagittis tristique at ac dolor. Nunc sed iaculis dolor. Cras maximus vulputate metus, a finibus magna sagittis non. Morbi porta fringilla enim, non pellentesque elit pellentesque eu. Vivamus pharetra dictum fermentum. Etiam consequat iaculis consequat. Morbi pharetra ante quam, quis efficitur purus finibus quis. Nulla at volutpat arcu. Curabitur augue lorem, lacinia eget augue vel, dignissim fringilla augue. Duis facilisis nulla turpis, ut fringilla quam efficitur ut. Cras tincidunt, tellus et dignissim ultricies, ligula ex pulvinar enim, vitae convallis erat ex ac neque.
Mauris sed auctor lorem. Vestibulum non ligula viverra, rhoncus quam at, pulvinar tellus. Phasellus dictum tellus eu nisl dignissim, id vulputate odio tincidunt. Mauris ornare ipsum nec maximus maximus. Nulla non sagittis turpis, in blandit magna. Donec at leo gravida, cursus diam ac, ornare velit. Praesent ipsum lorem, fermentum id lacinia ac, ultrices ac lectus. Vestibulum efficitur eget ipsum vitae vulputate. Aenean placerat magna sed ligula efficitur, ut consequat eros vestibulum. Proin placerat sapien sed arcu pharetra volutpat. Nunc diam lectus, tincidunt id eleifend vel, lobortis a lectus. In id orci sed purus venenatis pulvinar quis eget odio. Praesent quis nisi porta, blandit nisi a, hendrerit lacus. Morbi mollis libero non commodo consequat. Nullam id erat mi.
Vestibulum sit amet ante turpis. Duis in cursus eros. Praesent luctus eget augue tristique porttitor. Sed scelerisque facilisis sem sed interdum. Donec tristique augue ex, sit amet auctor ex elementum id. Sed lacinia ultrices dui, vitae scelerisque leo fringilla quis. Proin condimentum facilisis justo. Integer nulla mi, laoreet vel magna elementum, dignissim volutpat turpis. Aliquam erat volutpat.
Ut at quam nulla. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam maximus felis quis tincidunt fringilla. Fusce hendrerit pharetra pharetra. Nullam venenatis augue eget neque venenatis varius. Aenean posuere posuere nibh, sed vulputate purus tristique a. Sed nec lacus egestas, rhoncus nunc varius, euismod metus.
Aliquam pellentesque vel turpis ut aliquam. Fusce aliquam fermentum eros, gravida finibus arcu lacinia ut. Morbi vehicula nulla vitae viverra imperdiet. Curabitur eu euismod dui. Nullam congue congue odio, vel varius libero volutpat ut. Curabitur ante urna, vehicula nec sodales vel, lacinia eget arcu. Ut mollis rhoncus orci et facilisis. Aenean feugiat, purus a porttitor feugiat, ex nunc convallis leo, vel semper metus dolor id neque. Proin placerat orci ut purus cursus vehicula. Praesent molestie gravida ipsum, ac sagittis augue viverra vitae. Donec mi purus, congue vitae blandit ut, sollicitudin eu lorem. Vivamus dapibus nibh sed placerat mollis. Fusce egestas nunc lorem, sed interdum turpis gravida eget. Pellentesque enim ante, accumsan pulvinar dignissim ut, faucibus ac orci.
Fusce tempor fringilla bibendum. Nulla eu suscipit dui. In hac habitasse platea dictumst. Vivamus at lobortis orci, sit amet aliquet nunc. Nunc lacus mauris, sagittis in ornare sit amet, venenatis et dolor. Donec pellentesque nisl blandit, facilisis urna ac, dapibus nisl. Integer sollicitudin commodo euismod. Maecenas vulputate consequat ligula a accumsan. Nunc id risus magna. Nullam pulvinar blandit ante quis elementum.
Aliquam cursus lectus dui, facilisis tincidunt libero euismod id. Integer id placerat ligula, sit amet mattis mi. Nullam sed nunc orci. Etiam ac dolor sit amet purus consectetur hendrerit. Sed facilisis venenatis ullamcorper. Maecenas tincidunt nunc scelerisque vehicula eleifend. Nullam tincidunt tristique felis sed tempus. Donec nec fermentum dui, in tempus libero. Nam viverra mauris ornare mi finibus, sit amet convallis dui aliquam. Cras ut ultrices tellus. Pellentesque scelerisque placerat vehicula. Quisque cursus malesuada nunc, ut ultricies metus imperdiet eget.
Proin tristique gravida justo eget hendrerit. Donec id tincidunt sapien. Fusce elementum metus eget risus fermentum, eget venenatis purus rutrum. Maecenas rhoncus pharetra eros a iaculis. Aliquam vestibulum ipsum sed vehicula tempor. Sed convallis tellus sed augue pellentesque, eget suscipit ex iaculis. Integer nisl sapien, vulputate vel congue eget, viverra id ante. Interdum et malesuada fames ac ante ipsum primis in faucibus. Nunc blandit aliquet ex nec vehicula. Sed tristique gravida tellus eget egestas. Quisque bibendum ligula velit, sed egestas diam rutrum in. Maecenas hendrerit augue nec elit lacinia mattis.
Phasellus ultrices ex augue, vel venenatis turpis laoreet in. Suspendisse a imperdiet lectus. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Nulla quis nisl finibus, dictum urna eget, fermentum purus. Nam fermentum magna id nisi semper, nec tempor lorem blandit. Sed dignissim fringilla dui id lacinia. Phasellus vitae viverra erat. Interdum et malesuada fames ac ante ipsum primis in faucibus. Pellentesque vel malesuada lorem, pharetra consequat diam. Quisque tempor dui eu quam aliquam porta. Donec tortor tortor, tristique vitae sem eget, euismod viverra justo. Morbi id mollis ex. Suspendisse potenti. Donec rutrum, orci id molestie malesuada, massa ex fermentum nisi, vitae facilisis nisi turpis eget enim. Sed eu mi at augue maximus rhoncus. Cras vehicula tellus non gravida efficitur.
Mauris eros justo, finibus lacinia sodales ut, tempus a ligula. Nulla sit amet sagittis mauris, non fermentum magna. Quisque tristique sagittis porta. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. In ultricies, lectus in rutrum lobortis, elit nisi bibendum turpis, a gravida ligula mi id dolor. In rhoncus suscipit lectus ac maximus. Nunc vulputate aliquam laoreet. Morbi eget purus sit amet odio suscipit rutrum. Suspendisse id enim eget justo fringilla fringilla. Maecenas et nulla consectetur, feugiat orci ac, scelerisque est. Pellentesque iaculis justo dui, nec volutpat elit tincidunt eget. Curabitur finibus est a nisl interdum, ut rutrum lorem luctus.
Nam dolor ipsum, egestas eget luctus nec, congue vitae eros. Donec libero massa, molestie nec augue lacinia, auctor iaculis tortor. Proin tellus mi, vestibulum in lacus at, fringilla commodo nulla. Ut ullamcorper, quam at blandit congue, mauris purus volutpat nisl, quis fermentum justo ipsum id mi. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae; Etiam vestibulum augue eget sagittis porta. Curabitur eget purus placerat, fringilla lorem non, pretium mauris. Suspendisse potenti. Ut cursus erat augue, quis laoreet felis posuere sit amet. Suspendisse potenti. Sed aliquet semper quam quis ultrices. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Donec placerat massa et ipsum malesuada, in fringilla mi mollis. Curabitur vel condimentum enim. Donec luctus libero eget dapibus sagittis. Cras vulputate nibh non mauris accumsan, vel lobortis elit hendrerit. Praesent hendrerit ligula purus, non consequat libero accumsan sed. Suspendisse fringilla, tortor in fermentum congue, arcu tellus mollis sem, ut tempus enim dui non leo. Sed in augue diam. Maecenas vel neque eget mi lacinia ornare. Maecenas pharetra consectetur erat non feugiat. Aliquam lacinia augue eget elit maximus fringilla. Suspendisse risus lorem, porta eget nunc a, porta lobortis sapien.

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
#ifndef CONTRIB_BROTLI_SANDBOXED_H_
#define CONTRIB_BROTLI_SANDBOXED_H_
#include <libgen.h>
#include <syscall.h>
#include <memory>
#include "sapi_brotli.sapi.h" // NOLINT(build/include)
class BrotliSapiSandbox : public BrotliSandbox {
public:
std::unique_ptr<sandbox2::Policy> ModifyPolicy(
sandbox2::PolicyBuilder*) override {
return sandbox2::PolicyBuilder()
.AllowDynamicStartup()
.AllowRead()
.AllowWrite()
.AllowSystemMalloc()
.AllowExit()
.BuildOrDie();
}
};
#endif // CONTRIB_BROTLI_SANDBOXED_H_

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# Copyright 2022 Google LLC
#
# 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
#
# https://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(GoogleTest)
add_executable(sapi_brotli_test
brotli_test.cc
../utils/utils_brotli.cc
../utils/utils_brotli_enc.cc
../utils/utils_brotli_dec.cc
)
target_link_libraries(sapi_brotli_test PRIVATE
sapi_contrib::brotli
sapi::test_main
)
gtest_discover_tests(sapi_brotli_test PROPERTIES
ENVIRONMENT "TEST_FILES_DIR=${PROJECT_SOURCE_DIR}/files"
)

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// Copyright 2022 Google LLC
//
// 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
//
// https://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 <fcntl.h>
#include <fstream>
#include "contrib/brotli/sandboxed.h"
#include "contrib/brotli/utils/utils_brotli.h"
#include "contrib/brotli/utils/utils_brotli_dec.h"
#include "contrib/brotli/utils/utils_brotli_enc.h"
#include "sandboxed_api/util/path.h"
#include "sandboxed_api/util/status_matchers.h"
namespace {
using ::sapi::IsOk;
class BrotliBase : public testing::Test {
protected:
std::string GetTestFilePath(const std::string& filename) {
return sapi::file::JoinPath(test_dir_, filename);
}
void SetUp() override;
std::unique_ptr<BrotliSandbox> sandbox_;
std::unique_ptr<BrotliEncoder> enc_;
std::unique_ptr<BrotliDecoder> dec_;
const char *test_dir_;
};
class BrotliMultiFile : public BrotliBase,
public testing::WithParamInterface<std::string> {};
void BrotliBase::SetUp() {
sandbox_ = std::make_unique<BrotliSapiSandbox>();
ASSERT_THAT(sandbox_.get()->Init(), IsOk());
enc_ = std::make_unique<BrotliEncoder>(sandbox_.get());
ASSERT_TRUE(enc_.get()->IsInit());
dec_ = std::make_unique<BrotliDecoder>(sandbox_.get());
ASSERT_TRUE(dec_.get()->IsInit());
test_dir_ = getenv("TEST_FILES_DIR");
ASSERT_NE(test_dir_, nullptr);
}
TEST_F(BrotliBase, SetParamEnc) {
ASSERT_THAT(enc_.get()->SetParameter(BROTLI_PARAM_QUALITY, 5), IsOk());
}
TEST_F(BrotliBase, SetParamDec) {
ASSERT_THAT(dec_.get()->SetParameter(BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION, 100), IsOk());
}
TEST_F(BrotliBase, Compress) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufin,
ReadFile(GetTestFilePath("text")));
ASSERT_THAT(enc_.get()->Compress(bufin), IsOk());
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufout,
enc_.get()->TakeOutput());
ASSERT_LT(bufout.size(), bufin.size());
}
TEST_F(BrotliBase, CompressDecompress) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufin,
ReadFile(GetTestFilePath("text")));
ASSERT_THAT(enc_.get()->Compress(bufin), IsOk());
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufcomp,
enc_.get()->TakeOutput());
ASSERT_LT(bufcomp.size(), bufin.size());
SAPI_ASSERT_OK_AND_ASSIGN(BrotliDecoderResult result,
dec_.get()->Decompress(bufcomp));
ASSERT_THAT(result, BROTLI_DECODER_RESULT_SUCCESS);
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufout,
dec_.get()->TakeOutput());
ASSERT_EQ(bufin, bufout);
}
TEST_F(BrotliBase, CompressStreamDecompress) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> buforig,
ReadFile(GetTestFilePath("text")));
std::vector<uint8_t>::iterator it = buforig.begin();
while (it != buforig.end()) {
int nsize = std::min<size_t>(512, buforig.end() - it);
BrotliEncoderOperation op = BROTLI_OPERATION_PROCESS;
if (it + nsize == buforig.end()) {
op = BROTLI_OPERATION_FINISH;
}
std::vector<uint8_t> bufin(it, it + nsize);
ASSERT_THAT(enc_.get()->Compress(bufin, op), IsOk());
it += nsize;
}
bool empty = false;
std::vector<uint8_t> bufcomp;
while (!empty) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> takebuf,
enc_.get()->TakeOutput());
empty = takebuf.empty();
if (!empty) {
bufcomp.insert(bufcomp.end(), takebuf.begin(), takebuf.end());
}
}
SAPI_ASSERT_OK_AND_ASSIGN(BrotliDecoderResult result,
dec_.get()->Decompress(bufcomp));
ASSERT_THAT(result, BROTLI_DECODER_RESULT_SUCCESS);
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufout,
dec_.get()->TakeOutput());
ASSERT_EQ(buforig, bufout);
}
TEST_P(BrotliMultiFile, Decompress) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> buforig,
ReadFile(GetTestFilePath("text")));
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufin,
ReadFile(GetTestFilePath(GetParam())));
SAPI_ASSERT_OK_AND_ASSIGN(BrotliDecoderResult result,
dec_.get()->Decompress(bufin));
ASSERT_THAT(result, BROTLI_DECODER_RESULT_SUCCESS);
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufout,
dec_.get()->TakeOutput());
ASSERT_EQ(buforig, bufout);
}
TEST_P(BrotliMultiFile, DecompressCharStream) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> buforig,
ReadFile(GetTestFilePath("text")));
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufcomp,
ReadFile(GetTestFilePath(GetParam())));
BrotliDecoderResult result;
std::vector<uint8_t> bufout;
for (auto it = bufcomp.begin(); it != bufcomp.end(); ++it) {
std::vector<uint8_t> tmp(it, it + 1);
SAPI_ASSERT_OK_AND_ASSIGN(result, dec_.get()->Decompress(tmp));
if (result == BROTLI_DECODER_RESULT_SUCCESS) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufuncomptmp,
dec_.get()->TakeOutput());
bufout.insert(bufout.end(), bufuncomptmp.begin(), bufuncomptmp.end());
}
}
ASSERT_THAT(result, BROTLI_DECODER_RESULT_SUCCESS);
ASSERT_EQ(buforig, bufout);
}
TEST_P(BrotliMultiFile, DecompressChunksStream) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> buforig,
ReadFile(GetTestFilePath("text")));
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufcomp,
ReadFile(GetTestFilePath(GetParam())));
std::vector<size_t> chunks = { 128, 256, 13, 37, 99, 10, 42 };
BrotliDecoderResult result;
std::vector<uint8_t> bufout;
std::vector<uint8_t>::iterator it = bufcomp.begin();
for (int i = 0; it != bufcomp.end(); ++i) {
size_t nsize = std::min<size_t>(bufcomp.end() - it, chunks[i % chunks.size()]);
std::vector<uint8_t> tmp(it, it + nsize);
it += nsize;
SAPI_ASSERT_OK_AND_ASSIGN(result, dec_.get()->Decompress(tmp));
if (result == BROTLI_DECODER_RESULT_SUCCESS) {
SAPI_ASSERT_OK_AND_ASSIGN(std::vector<uint8_t> bufuncomptmp,
dec_.get()->TakeOutput());
bufout.insert(bufout.end(), bufuncomptmp.begin(), bufuncomptmp.end());
}
}
ASSERT_THAT(result, BROTLI_DECODER_RESULT_SUCCESS);
ASSERT_EQ(buforig, bufout);
}
INSTANTIATE_TEST_SUITE_P(BrotliBase, BrotliMultiFile,
testing::Values("text.full.brotli",
"text.chunk.brotli"));
} // namespace

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// Copyright 2022 Google LLC
//
// 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
//
// https://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 "contrib/brotli/utils/utils_brotli.h"
std::streamsize GetStreamSize(std::ifstream& stream) {
stream.seekg(0, std::ios_base::end);
std::streamsize ssize = stream.tellg();
stream.seekg(0, std::ios_base::beg);
return ssize;
}
absl::StatusOr<std::vector<uint8_t>> ReadFile(const std::string& in_file_s) {
std::ifstream in_file(in_file_s);
if (!in_file.is_open()) {
return absl::UnavailableError("File could not be opened");
}
std::streamsize ssize = GetStreamSize(in_file);
if (ssize >= kFileMaxSize) {
return absl::UnavailableError("Incorrect size of file");
}
std::vector<uint8_t> out_buf(ssize);
in_file.read(reinterpret_cast<char*>(out_buf.data()), ssize);
if (ssize != in_file.gcount()) {
return absl::UnavailableError("Premature end of file");
}
if (in_file.fail() || in_file.eof()) {
return absl::UnavailableError("Error reading file");
}
return out_buf;
}
absl::Status WriteFile(const std::string& out_file_s,
const std::vector<uint8_t>& out_buf) {
std::ofstream out_file(out_file_s);
if (!out_file.is_open()) {
return absl::UnavailableError("File could not be opened");
}
out_file.write(reinterpret_cast<const char*>(out_buf.data()), out_buf.size());
if (!out_file.good()) {
return absl::UnavailableError("Error writting file");
}
return absl::OkStatus();
}

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
#ifndef CONTRIB_BROTLI_UTILS_UTILS_BROTLI_H_
#define CONTRIB_BROTLI_UTILS_UTILS_BROTLI_H_
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
constexpr size_t kFileMaxSize = 1024 * 1024 * 1024; // 1GB
std::streamsize GetStreamSize(std::ifstream& stream);
absl::StatusOr<std::vector<uint8_t>> ReadFile(const std::string& in_file_s);
absl::Status WriteFile(const std::string& out_file_s,
const std::vector<uint8_t>& out_buf);
#endif // CONTRIB_BROTLI_UTILS_UTILS_BROTLI_H_

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// Copyright 2022 Google LLC
//
// 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
//
// https://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 <fstream>
#include <string>
#include "contrib/brotli/sandboxed.h"
#include "contrib/brotli/utils/utils_brotli.h"
#include "contrib/brotli/utils/utils_brotli_dec.h"
absl::Status BrotliDecoder::InitStructs() {
SAPI_ASSIGN_OR_RETURN(
BrotliDecoderState* state,
api_.BrotliDecoderCreateInstance(&null_ptr_, &null_ptr_, &null_ptr_));
state_.SetRemote(state);
return absl::OkStatus();
}
BrotliDecoder::~BrotliDecoder() {
if (state_.GetRemote() != nullptr) {
api_.BrotliDecoderDestroyInstance(state_.PtrNone()).IgnoreError();
}
}
bool BrotliDecoder::IsInit() {
if (state_.GetRemote() == nullptr) {
return false;
}
return true;
}
absl::Status BrotliDecoder::CheckIsInit() {
if (!IsInit()) {
return absl::UnavailableError("The decoder is not initialized");
}
return absl::OkStatus();
}
absl::Status BrotliDecoder::SetParameter(enum BrotliDecoderParameter param,
uint32_t value) {
SAPI_RETURN_IF_ERROR(CheckIsInit());
SAPI_ASSIGN_OR_RETURN(
int ret, api_.BrotliDecoderSetParameter(state_.PtrNone(), param, value));
if (!ret) {
return absl::UnavailableError("Unable to set parameter");
}
return absl::OkStatus();
}
absl::StatusOr<BrotliDecoderResult> BrotliDecoder::Decompress(std::vector<uint8_t>& buf_in) {
SAPI_RETURN_IF_ERROR(CheckIsInit());
sapi::v::Array<uint8_t> sapi_buf_in(buf_in.data(), buf_in.size());
sapi::v::IntBase<size_t> sapi_size_in(buf_in.size());
// BrotliDecoderCompress requires a pointer to a pointer,
// as function moves to pointer to indicate how much data
// was compressed.
// In this case we compress whole buffer so we don't use it
// but we still have to allocate buffer remotely and gets
// a pointer.
SAPI_RETURN_IF_ERROR(sandbox_->Allocate(&sapi_buf_in));
SAPI_RETURN_IF_ERROR(sandbox_->TransferToSandboxee(&sapi_buf_in));
sapi::v::GenericPtr sapi_opaque_buf_in(sapi_buf_in.GetRemote());
sapi::v::IntBase<size_t> sapi_avilable_out(0);
SAPI_ASSIGN_OR_RETURN(
BrotliDecoderResult ret, api_.BrotliDecoderDecompressStream(
state_.PtrNone(),
sapi_size_in.PtrBefore(), sapi_opaque_buf_in.PtrBefore(),
sapi_avilable_out.PtrBefore(), &null_ptr_, &null_ptr_));
// Ignore output error, as we didn't provide any buffer.
if (ret == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
ret = BROTLI_DECODER_RESULT_SUCCESS;
}
return ret;
}
absl::StatusOr<std::vector<uint8_t>> BrotliDecoder::TakeOutput() {
SAPI_RETURN_IF_ERROR(CheckIsInit());
sapi::v::IntBase<size_t> sapi_size_out(0);
SAPI_ASSIGN_OR_RETURN(
uint8_t* sapi_out_buf_ptr,
api_.BrotliDecoderTakeOutput(state_.PtrNone(), sapi_size_out.PtrAfter()));
if (sapi_out_buf_ptr == nullptr || sapi_size_out.GetValue() == 0) {
return std::vector<uint8_t>(0);
}
if (sapi_size_out.GetValue() > kFileMaxSize) {
return absl::UnavailableError("Output to large");
}
std::vector<uint8_t> buf_out(sapi_size_out.GetValue());
sapi::v::Array<uint8_t> sapi_buf_out(buf_out.data(), buf_out.size());
sapi_buf_out.SetRemote(sapi_out_buf_ptr);
SAPI_RETURN_IF_ERROR(sandbox_->TransferFromSandboxee(&sapi_buf_out));
return buf_out;
}

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
#ifndef CONTRIB_BROTLI_UTILS_UTILS_BROTLI_DEC_H_
#define CONTRIB_BROTLI_UTILS_UTILS_BROTLI_DEC_H_
#include <vector>
#include "contrib/brotli/sandboxed.h"
#include "sandboxed_api/util/status_macros.h"
class BrotliDecoder {
public:
explicit BrotliDecoder(BrotliSandbox* sandbox)
: sandbox_(CHECK_NOTNULL(sandbox)), api_(sandbox_), state_(nullptr) {
status = InitStructs();
}
~BrotliDecoder();
bool IsInit();
absl::Status SetParameter(BrotliDecoderParameter param, uint32_t value);
absl::StatusOr<BrotliDecoderResult> Decompress(std::vector<uint8_t>& buf_in);
absl::StatusOr<std::vector<uint8_t>> TakeOutput();
protected:
absl::Status InitStructs();
absl::Status CheckIsInit();
BrotliSandbox* sandbox_;
BrotliApi api_;
absl::Status status;
sapi::v::GenericPtr state_;
sapi::v::NullPtr null_ptr_;
};
#endif // CONTRIB_BROTLI_UTILS_UTILS_BROTLI_DEC_H_

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// Copyright 2022 Google LLC
//
// 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
//
// https://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 "contrib/brotli/utils/utils_brotli_enc.h"
#include <fstream>
#include <string>
#include "contrib/brotli/sandboxed.h"
#include "contrib/brotli/utils/utils_brotli.h"
absl::Status BrotliEncoder::InitStructs() {
SAPI_ASSIGN_OR_RETURN(
BrotliEncoderState* state,
api_.BrotliEncoderCreateInstance(&null_ptr_, &null_ptr_, &null_ptr_));
state_.SetRemote(state);
return absl::OkStatus();
}
BrotliEncoder::~BrotliEncoder() {
if (state_.GetRemote() != nullptr) {
api_.BrotliEncoderDestroyInstance(state_.PtrNone()).IgnoreError();
}
}
bool BrotliEncoder::IsInit() {
if (state_.GetRemote() == nullptr) {
return false;
}
return true;
}
absl::Status BrotliEncoder::CheckIsInit() {
if (!IsInit()) {
return absl::UnavailableError("The encoder is not initialized");
}
return absl::OkStatus();
}
absl::Status BrotliEncoder::SetParameter(enum BrotliEncoderParameter param,
uint32_t value) {
SAPI_RETURN_IF_ERROR(CheckIsInit());
SAPI_ASSIGN_OR_RETURN(
int ret, api_.BrotliEncoderSetParameter(state_.PtrNone(), param, value));
if (!ret) {
return absl::UnavailableError("Unable to set parameter");
}
return absl::OkStatus();
}
absl::Status BrotliEncoder::Compress(std::vector<uint8_t>& buf_in,
BrotliEncoderOperation op) {
SAPI_RETURN_IF_ERROR(CheckIsInit());
sapi::v::Array<uint8_t> sapi_buf_in(buf_in.data(), buf_in.size());
sapi::v::IntBase<size_t> sapi_size_in(buf_in.size());
// BrotliEncoderCompress requires a pointer to a pointer,
// as function moves to pointer to indicate how much data
// was compressed.
// Un this case we compress whole buffer so we don't use it
// but we still have to allocate buffer remotely and gets
// a pointer.
SAPI_RETURN_IF_ERROR(sandbox_->Allocate(&sapi_buf_in));
SAPI_RETURN_IF_ERROR(sandbox_->TransferToSandboxee(&sapi_buf_in));
sapi::v::GenericPtr sapi_opaque_buf_in(sapi_buf_in.GetRemote());
sapi::v::IntBase<size_t> sapi_avilable_out(0);
SAPI_ASSIGN_OR_RETURN(
bool ret, api_.BrotliEncoderCompressStream(
state_.PtrNone(), op, sapi_size_in.PtrBefore(),
sapi_opaque_buf_in.PtrBefore(),
sapi_avilable_out.PtrBefore(), &null_ptr_, &null_ptr_));
if (!ret) {
return absl::UnavailableError("Unable to compress input");
}
return absl::OkStatus();
}
absl::StatusOr<std::vector<uint8_t>> BrotliEncoder::TakeOutput() {
SAPI_RETURN_IF_ERROR(CheckIsInit());
sapi::v::IntBase<size_t> sapi_size_out(0);
SAPI_ASSIGN_OR_RETURN(
uint8_t* sapi_out_buf_ptr,
api_.BrotliEncoderTakeOutput(state_.PtrNone(), sapi_size_out.PtrAfter()));
if (sapi_out_buf_ptr == nullptr) {
return std::vector<uint8_t>(0);
}
if (sapi_size_out.GetValue() > kFileMaxSize) {
return absl::UnavailableError("Output to large");
}
std::vector<uint8_t> buf_out(sapi_size_out.GetValue());
sapi::v::Array<uint8_t> sapi_buf_out(buf_out.data(), buf_out.size());
sapi_buf_out.SetRemote(sapi_out_buf_ptr);
SAPI_RETURN_IF_ERROR(sandbox_->TransferFromSandboxee(&sapi_buf_out));
return buf_out;
}

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// Copyright 2022 Google LLC
//
// 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
//
// https://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.
#ifndef CONTRIB_BROTLI_UTILS_UTILS_BROTLI_ENC_H_
#define CONTRIB_BROTLI_UTILS_UTILS_BROTLI_ENC_H_
#include <vector>
#include "contrib/brotli/sandboxed.h"
#include "sandboxed_api/util/status_macros.h"
class BrotliEncoder {
public:
explicit BrotliEncoder(BrotliSandbox* sandbox)
: sandbox_(CHECK_NOTNULL(sandbox)), api_(sandbox_), state_(nullptr) {
status = InitStructs();
}
~BrotliEncoder();
bool IsInit();
absl::Status SetParameter(BrotliEncoderParameter param, uint32_t value);
absl::Status Compress(std::vector<uint8_t>& buf_in,
BrotliEncoderOperation op = BROTLI_OPERATION_FINISH);
absl::StatusOr<std::vector<uint8_t>> TakeOutput();
protected:
absl::Status InitStructs();
absl::Status CheckIsInit();
BrotliSandbox* sandbox_;
BrotliApi api_;
absl::Status status;
sapi::v::GenericPtr state_;
sapi::v::NullPtr null_ptr_;
};
#endif // CONTRIB_BROTLI_UTILS_UTILS_BROTLI_ENC_H_