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78 lines
2.2 KiB
C++
78 lines
2.2 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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// http://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 "utils.h" // NOLINT(build/include)
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#include <unistd.h>
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#include "sandboxed_api/sandbox2/util/fileops.h"
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#include "sandboxed_api/sandbox2/util/path.h"
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#include "sandboxed_api/sandbox2/util/temp_file.h"
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namespace gdal::sandbox::utils {
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namespace {
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constexpr char kProjDbEnvVariableName[] = "PROJ_DB_PATH";
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inline constexpr absl::string_view kDefaultProjDbPath =
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"/usr/local/share/proj/proj.db";
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} // namespace
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TempFile::TempFile(absl::string_view prefix) {
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auto file_data = sandbox2::CreateNamedTempFile(prefix);
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if (file_data.ok()) {
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file_data_ = std::move(file_data.value());
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}
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}
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TempFile::~TempFile() {
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if (HasValue()) {
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unlink(file_data_.value().first.c_str());
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}
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}
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bool TempFile::HasValue() const { return file_data_.has_value(); }
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int TempFile::GetFd() const { return file_data_.value().second; }
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std::string TempFile::GetPath() const { return file_data_.value().first; }
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std::optional<std::string> FindProjDbPath() {
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std::string proj_db_path(kDefaultProjDbPath);
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if (const char* proj_db_env_var = std::getenv(kProjDbEnvVariableName);
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proj_db_env_var != nullptr) {
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proj_db_path = proj_db_env_var;
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}
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if (!sandbox2::file_util::fileops::Exists(proj_db_path, false)) {
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return std::nullopt;
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}
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return proj_db_path;
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}
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std::string GetTestDataPath(absl::string_view testdata_path) {
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const char* test_srcdir = std::getenv("TEST_SRCDIR");
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return sandbox2::file::JoinPath(test_srcdir == nullptr
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? sandbox2::file_util::fileops::GetCWD()
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: test_srcdir,
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testdata_path);
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}
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} // namespace gdal::sandbox::utils
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