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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_TOOLS_VERIDEX_HIDDEN_API_H_
#define ART_TOOLS_VERIDEX_HIDDEN_API_H_
#include "api_list_filter.h"
#include "base/hiddenapi_flags.h"
#include "dex/method_reference.h"
#include <map>
#include <ostream>
#include <string>
namespace art {
class DexFile;
enum class SignatureSource {
UNKNOWN,
BOOT,
APP,
};
/**
* Helper class for logging if a method/field is in a hidden API list.
*/
class HiddenApi {
public:
HiddenApi(const char* flags_file, const ApiListFilter& api_list_filter);
hiddenapi::ApiList GetApiList(const std::string& name) const {
auto it = api_list_.find(name);
return (it == api_list_.end()) ? hiddenapi::ApiList() : it->second;
}
bool ShouldReport(const std::string& signature) const {
return api_list_filter_.Matches(GetApiList(signature));
}
void AddSignatureSource(const std::string &signature, SignatureSource source) {
const auto type = GetApiClassName(signature);
auto it = source_.find(type);
if (it == source_.end() || it->second == SignatureSource::UNKNOWN) {
source_[type] = source;
} else if (it->second != source) {
LOG(WARNING) << type << "is present both in boot and in app.";
if (source == SignatureSource::BOOT) {
// Runtime resolves to boot type, so it takes precedence.
it->second = source;
}
} else {
// Already exists with the same source.
}
}
SignatureSource GetSignatureSource(const std::string& signature) const {
auto it = source_.find(GetApiClassName(signature));
return (it == source_.end()) ? SignatureSource::UNKNOWN : it->second;
}
bool IsInBoot(const std::string& signature) const {
return SignatureSource::BOOT == GetSignatureSource(signature);
}
static std::string GetApiMethodName(const DexFile& dex_file, uint32_t method_index);
static std::string GetApiFieldName(const DexFile& dex_file, uint32_t field_index);
static std::string GetApiMethodName(MethodReference ref) {
return HiddenApi::GetApiMethodName(*ref.dex_file, ref.index);
}
static std::string ToInternalName(const std::string& str) {
std::string val = str;
std::replace(val.begin(), val.end(), '.', '/');
return "L" + val + ";";
}
private:
void AddSignatureToApiList(const std::string& signature, hiddenapi::ApiList membership);
static std::string GetApiClassName(const std::string& signature) {
size_t pos = signature.find("->");
if (pos != std::string::npos) {
return signature.substr(0, pos);
}
return signature;
}
const ApiListFilter& api_list_filter_;
std::map<std::string, hiddenapi::ApiList> api_list_;
std::map<std::string, SignatureSource> source_;
};
struct HiddenApiStats {
uint32_t count = 0;
uint32_t reflection_count = 0;
uint32_t linking_count = 0;
// Ensure enough space for kInvalid as well, and initialize all to zero
uint32_t api_counts[hiddenapi::ApiList::kValueSize] = {};
};
} // namespace art
#endif // ART_TOOLS_VERIDEX_HIDDEN_API_H_
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