forked from LeddaZ/frameworks_base
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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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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#ifndef TOOLS_AAPT2_OPTIMIZE_OBFUSCATOR_H_
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#define TOOLS_AAPT2_OPTIMIZE_OBFUSCATOR_H_
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#include <set>
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#include <string>
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#include "ResourceMetadata.pb.h"
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#include "ResourceTable.h"
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#include "android-base/function_ref.h"
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#include "android-base/macros.h"
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#include "cmd/Optimize.h"
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#include "format/binary/TableFlattener.h"
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#include "process/IResourceTableConsumer.h"
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namespace aapt {
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class ResourceTable;
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// Maps resources in the apk to shortened paths.
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class Obfuscator : public IResourceTableConsumer {
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public:
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explicit Obfuscator(OptimizeOptions& optimizeOptions);
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bool Consume(IAaptContext* context, ResourceTable* table) override;
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bool WriteObfuscationMap(const std::string& file_path) const;
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bool IsEnabled() const;
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enum class Result { Obfuscated, Keep_ExemptionList, Keep_Overlayable };
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// hardcoded string uses characters which make it an invalid resource name
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static constexpr char kObfuscatedResourceName[] = "0_resource_name_obfuscated";
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static void ObfuscateResourceName(
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const bool collapse_key_stringpool, const std::set<ResourceName>& name_collapse_exemptions,
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const ResourceNamedType& type_name, const ResourceTableEntryView& entry,
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const android::base::function_ref<void(Result, const ResourceName&)> onObfuscate);
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protected:
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virtual std::string ShortenFileName(android::StringPiece file_path, int output_length);
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private:
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bool HandleShortenFilePaths(ResourceTable* table,
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std::map<std::string, std::string>& shortened_path_map,
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const std::set<ResourceName>& path_shorten_exemptions);
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TableFlattenerOptions& options_;
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const bool shorten_resource_paths_;
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const bool collapse_key_stringpool_;
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DISALLOW_COPY_AND_ASSIGN(Obfuscator);
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};
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} // namespace aapt
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#endif // TOOLS_AAPT2_OPTIMIZE_OBFUSCATOR_H_
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