mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
79 lines
2.7 KiB
C++
79 lines
2.7 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 "jsonnet_base_transaction.h"
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absl::Status JsonnetTransaction::Main() {
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JsonnetApi api(sandbox());
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// Initialize library's main structure.
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SAPI_ASSIGN_OR_RETURN(JsonnetVm* jsonnet_vm, api.c_jsonnet_make());
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sapi::v::RemotePtr vm_pointer(jsonnet_vm);
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// Read input file.
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std::string in_file_in_sandboxee(std::string("/input/") +
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basename(&in_file_[0]));
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sapi::v::ConstCStr in_file_var(in_file_in_sandboxee.c_str());
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SAPI_ASSIGN_OR_RETURN(char* input, api.c_read_input(false, in_file_var.PtrBefore()));
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// Process jsonnet data.
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sapi::v::RemotePtr input_pointer(input);
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sapi::v::Int error;
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SAPI_ASSIGN_OR_RETURN(char* output, api.c_jsonnet_evaluate_snippet(&vm_pointer, in_file_var.PtrBefore(), &input_pointer, error.PtrAfter()));
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TRANSACTION_FAIL_IF_NOT(error.GetValue() == 0, "Jsonnet code evaluation failed.");
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// Write data to file.
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std::string out_file_in_sandboxee(std::string("/output/") +
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basename(&out_file_[0]));
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sapi::v::ConstCStr out_file_var(out_file_in_sandboxee.c_str());
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sapi::v::RemotePtr output_pointer(output);
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SAPI_ASSIGN_OR_RETURN(bool success, api.c_write_output_file(&output_pointer, out_file_var.PtrBefore()));
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TRANSACTION_FAIL_IF_NOT(success, "Writing to output file failed.");
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// Clean up.
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SAPI_ASSIGN_OR_RETURN(char* result, api.c_jsonnet_realloc(&vm_pointer, &output_pointer, 0));
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SAPI_RETURN_IF_ERROR(api.c_jsonnet_destroy(&vm_pointer));
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SAPI_RETURN_IF_ERROR(api.c_free_input(&input_pointer));
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return absl::OkStatus();
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}
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int main(int argc, char* argv[]) {
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google::InitGoogleLogging(argv[0]);
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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if (!(argc == 3)) {
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std::cerr << "Usage:\n"
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<< basename(argv[0]) << " absolute/path/to/INPUT.jsonnet"
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<< " absolute/path/to/OUTPUT\n";
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return EXIT_FAILURE;
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}
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std::string in_file(argv[1]);
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std::string out_file(argv[2]);
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JsonnetTransaction jsonnet_transaction(in_file, out_file);
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auto result = jsonnet_transaction.Run();
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LOG(INFO) << "Transaction result: " << result.message();
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CHECK(result.ok());
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return EXIT_SUCCESS;
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}
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