56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright (C) 2019 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.
|
|
|
|
#define LOG_TAG "FuseUtils"
|
|
|
|
#include "include/libfuse_jni/FuseUtils.h"
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "android-base/strings.h"
|
|
|
|
using std::string;
|
|
|
|
namespace mediaprovider {
|
|
namespace fuse {
|
|
|
|
bool containsMount(const string& path) {
|
|
// This method is called from lookup, so it's called rather frequently.
|
|
// Hence, we avoid concatenating the strings and we use 3 separate suffixes.
|
|
|
|
static const string prefix = "/storage/emulated/";
|
|
if (!android::base::StartsWithIgnoreCase(path, prefix)) {
|
|
return false;
|
|
}
|
|
|
|
size_t pos = path.find_first_of('/', prefix.length());
|
|
if (pos == std::string::npos) {
|
|
return false;
|
|
}
|
|
|
|
const string& path_suffix = path.substr(pos);
|
|
|
|
static const string android_suffix = "/Android";
|
|
static const string data_suffix = "/Android/data";
|
|
static const string obb_suffix = "/Android/obb";
|
|
|
|
return android::base::EqualsIgnoreCase(path_suffix, android_suffix) ||
|
|
android::base::EqualsIgnoreCase(path_suffix, data_suffix) ||
|
|
android::base::EqualsIgnoreCase(path_suffix, obb_suffix);
|
|
}
|
|
|
|
} // namespace fuse
|
|
} // namespace mediaprovider
|