mirror of
https://github.com/google/sandboxed-api.git
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92 lines
3.5 KiB
C++
92 lines
3.5 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "../sandboxed.h" // NOLINT(build/include)
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#include "helper.h" // NOLINT(build/include)
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#include "libpng.h" // NOLINT(build/include)
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#include "gtest/gtest.h"
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#include "sandboxed_api/util/fileops.h"
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#include "sandboxed_api/util/path.h"
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#include "sandboxed_api/util/status_matchers.h"
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#include "sandboxed_api/util/temp_file.h"
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namespace {
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using ::sapi::IsOk;
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using ::testing::Eq;
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using ::testing::IsTrue;
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TEST(SandboxTest, ReadWrite) {
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std::string infile = GetFilePath("pngtest.png");
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absl::StatusOr<std::string> status_or_path =
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sapi::CreateNamedTempFileAndClose("output.png");
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ASSERT_THAT(status_or_path, IsOk()) << "Could not create temp output file";
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std::string outfile = sapi::file::JoinPath(sapi::file_util::fileops::GetCWD(),
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status_or_path.value());
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LibPNGSapiSandbox sandbox;
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sandbox.AddFile(infile);
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sandbox.AddFile(outfile);
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ASSERT_THAT(sandbox.Init(), IsOk()) << "Couldn't initialize Sandboxed API";
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LibPNGApi api(&sandbox);
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sapi::v::Struct<png_image> image;
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sapi::v::ConstCStr infile_var(infile.c_str());
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sapi::v::ConstCStr outfile_var(outfile.c_str());
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image.mutable_data()->version = PNG_IMAGE_VERSION;
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absl::StatusOr<int> status_or_int = api.png_image_begin_read_from_file(
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image.PtrBoth(), infile_var.PtrBefore());
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ASSERT_THAT(status_or_int, IsOk())
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<< "fatal error when invoking png_image_begin_read_from_file";
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ASSERT_THAT(status_or_int.value(), IsTrue())
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<< "png_image_begin_read_from_file failed: "
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<< image.mutable_data()->message;
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image.mutable_data()->format = PNG_FORMAT_RGBA;
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ASSERT_THAT(image.mutable_data()->version, Eq(PNG_IMAGE_VERSION))
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<< "image version changed";
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sapi::v::Array<uint8_t> buffer(PNG_IMAGE_SIZE(*image.mutable_data()));
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sapi::v::NullPtr null = sapi::v::NullPtr();
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status_or_int = api.png_image_finish_read(image.PtrBoth(), &null,
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buffer.PtrBoth(), 0, &null);
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ASSERT_THAT(status_or_int, IsOk())
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<< "fatal error when invoking png_image_finish_read";
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ASSERT_THAT(status_or_int.value(), IsTrue())
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<< "png_image_finish_read failed: " << image.mutable_data()->message;
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ASSERT_THAT(image.mutable_data()->version, Eq(PNG_IMAGE_VERSION))
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<< "image version changed";
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ASSERT_THAT(image.mutable_data()->format, Eq(PNG_FORMAT_RGBA))
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<< "image format changed";
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status_or_int = api.png_image_write_to_file(
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image.PtrBoth(), outfile_var.PtrBefore(), 0, buffer.PtrBoth(), 0, &null);
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ASSERT_THAT(status_or_int, IsOk())
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<< "fatal error when invoking png_image_write_to_file";
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ASSERT_THAT(status_or_int.value(), IsTrue())
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<< "png_image_finish_read failed: " << image.mutable_data()->message;
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ASSERT_THAT(image.mutable_data()->version, Eq(PNG_IMAGE_VERSION))
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<< "image version changed";
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ASSERT_THAT(image.mutable_data()->format, Eq(PNG_FORMAT_RGBA))
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<< "image format changed";
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}
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} // namespace
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