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64 lines
1.8 KiB
64 lines
1.8 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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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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*/
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#include "apex_manifest.h"
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#include <android-base/file.h>
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#include <memory>
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#include <string>
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using android::base::Error;
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using android::base::Result;
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using ::apex::proto::ApexManifest;
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namespace android {
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namespace apex {
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Result<ApexManifest> ParseManifest(const std::string& content) {
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ApexManifest apex_manifest;
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if (!apex_manifest.ParseFromString(content)) {
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return Error() << "Can't parse APEX manifest.";
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}
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// Verifying required fields.
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// name
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if (apex_manifest.name().empty()) {
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return Error() << "Missing required field \"name\" from APEX manifest.";
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}
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// version
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if (apex_manifest.version() == 0) {
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return Error() << "Missing required field \"version\" from APEX manifest.";
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}
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return apex_manifest;
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}
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std::string GetPackageId(const ApexManifest& apex_manifest) {
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return apex_manifest.name() + "@" + std::to_string(apex_manifest.version());
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}
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Result<ApexManifest> ReadManifest(const std::string& path) {
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std::string content;
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if (!android::base::ReadFileToString(path, &content)) {
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return Error() << "Failed to read manifest file: " << path;
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}
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return ParseManifest(content);
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}
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} // namespace apex
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} // namespace android
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