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90 lines
2.6 KiB
90 lines
2.6 KiB
4 months ago
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/*
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* Copyright (C) 2019 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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#ifndef ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
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#define ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
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#ifdef ENABLE_STORAGE_CRATES
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#include <android/os/storage/CrateMetadata.h>
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#include <cutils/multiuser.h>
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#include <fts.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <optional>
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#include <string>
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#include <vector>
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#ifndef CRATE_DEBUG
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#define CRATE_DEBUG 1
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#endif
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namespace android {
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namespace installd {
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using android::os::storage::CrateMetadata;
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/**
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* The crated folder actually is a folder that is the first level child director. In order to
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* distingish between the crated folder and the other FTSENT*, to define the type "CratedFolder"
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* make the code easy to identify the difference.
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*/
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typedef FTSENT* CratedFolder;
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/**
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* In order to give the users more fine-grained files controlling, the crate information can help
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* applications' developers to show the more detail information to the users. The crate information
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* include the Label, Expiration etc..
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*/
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class CrateManager {
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public:
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CrateManager(const char* uuid, userid_t userId, const std::string& packageName);
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~CrateManager();
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void traverseAllCrates(std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate);
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static void traverseChildDir(const std::string& targetDir,
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std::function<void(FTSENT*)>& onVisitChildDir);
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static void traverseAllPackagesForUser(
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const std::optional<std::string>& uuid,
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userid_t userId,
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std::function<void(FTSENT*)>& onHandlingPackage);
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#if CRATE_DEBUG
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static void dump(const CrateMetadata& CrateMetadata);
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#endif
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private:
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std::string mRoot;
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std::string mCratedFoldersRoot;
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std::string mPackageName;
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void createCrate(
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CratedFolder cratedFolder,
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std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate);
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};
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} // namespace installd
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} // namespace android
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#else // ENABLE_STORAGE_CRATES
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#include <android/os/storage/CrateMetadata.h>
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using android::os::storage::CrateMetadata;
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#endif // ENABLE_STORAGE_CRATES
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#endif // ANDROID_INSTALLD_CRATE_INFO_MANAGER_H
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