/**************************************************************************** Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2013-2016 Chukong Technologies Inc. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. http://www.cocos2d-x.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include "platform/android/CCFileUtils-android.h" #include "platform/CCCommon.h" #include "platform/android/jni/JniHelper.h" #include "platform/android/jni/Java_org_cocos2dx_lib_Cocos2dxHelper.h" #include "android/asset_manager.h" #include "android/asset_manager_jni.h" #include "base/ZipUtils.h" #include #include #include #define LOG_TAG "CCFileUtils-android.cpp" #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__) #define ASSETS_FOLDER_NAME "assets/" #define ASSETS_FOLDER_NAME_LENGTH 7 using namespace std; #define DECLARE_GUARD (void)0 // std::lock_guard mutexGuard(_mutex) NS_CC_BEGIN AAssetManager* FileUtilsAndroid::assetmanager = nullptr; ZipFile* FileUtilsAndroid::obbfile = nullptr; void FileUtilsAndroid::setassetmanager(AAssetManager* a) { if (nullptr == a) { LOGD("setassetmanager : received unexpected nullptr parameter"); return; } cocos2d::FileUtilsAndroid::assetmanager = a; } FileUtils* FileUtils::getInstance() { if (s_sharedFileUtils == nullptr) { s_sharedFileUtils = new FileUtilsAndroid(); if (!s_sharedFileUtils->init()) { delete s_sharedFileUtils; s_sharedFileUtils = nullptr; CCLOG("ERROR: Could not init CCFileUtilsAndroid"); } } return s_sharedFileUtils; } FileUtilsAndroid::FileUtilsAndroid() { } FileUtilsAndroid::~FileUtilsAndroid() { if (obbfile) { delete obbfile; obbfile = nullptr; } } bool FileUtilsAndroid::init() { DECLARE_GUARD; _defaultResRootPath = ASSETS_FOLDER_NAME; std::string assetsPath(getApkPath()); if (assetsPath.find("/obb/") != std::string::npos) { obbfile = new ZipFile(assetsPath); } return FileUtils::init(); } std::string FileUtilsAndroid::getNewFilename(const std::string &filename) const { std::string newFileName = FileUtils::getNewFilename(filename); // ../xxx do not fix this path auto pos = newFileName.find("../"); if (pos == std::string::npos || pos == 0) { return newFileName; } std::vector v(3); v.resize(0); auto change = false; size_t size = newFileName.size(); size_t idx = 0; bool noexit = true; while (noexit) { pos = newFileName.find('/', idx); std::string tmp; if (pos == std::string::npos) { tmp = newFileName.substr(idx, size - idx); noexit = false; }else { tmp = newFileName.substr(idx, pos - idx + 1); } auto t = v.size(); if (t > 0 && v[t-1].compare("../") != 0 && (tmp.compare("../") == 0 || tmp.compare("..") == 0)) { v.pop_back(); change = true; }else { v.push_back(tmp); } idx = pos + 1; } if (change) { newFileName.clear(); for (auto &s : v) { newFileName.append(s); } } return newFileName; } bool FileUtilsAndroid::isFileExistInternal(const std::string& strFilePath) const { DECLARE_GUARD; if (strFilePath.empty()) { return false; } bool bFound = false; // Check whether file exists in apk. if (strFilePath[0] != '/') { const char* s = strFilePath.c_str(); // Found "assets/" at the beginning of the path and we don't want it if (strFilePath.find(_defaultResRootPath) == 0) s += _defaultResRootPath.length(); if (obbfile && obbfile->fileExists(s)) { bFound = true; } else if (FileUtilsAndroid::assetmanager) { AAsset* aa = AAssetManager_open(FileUtilsAndroid::assetmanager, s, AASSET_MODE_UNKNOWN); if (aa) { bFound = true; AAsset_close(aa); } else { // CCLOG("[AssetManager] ... in APK %s, found = false!", strFilePath.c_str()); } } } else { struct stat st; if (::stat(strFilePath.c_str(), &st) == 0) bFound = S_ISREG(st.st_mode); } return bFound; } bool FileUtilsAndroid::isDirectoryExistInternal(const std::string& dirPath) const { if (dirPath.empty()) { return false; } std::string dirPathCopy = dirPath; if(dirPathCopy[dirPathCopy.length() - 1] == '/') { dirPathCopy.erase(dirPathCopy.length() - 1); } const char* s = dirPathCopy.c_str(); // find absolute path in flash memory if (s[0] == '/') { CCLOG("find in flash memory dirPath(%s)", s); struct stat st; if (stat(s, &st) == 0) { return S_ISDIR(st.st_mode); } } else { // find it in apk's assets dir // Found "assets/" at the beginning of the path and we don't want it CCLOG("find in apk dirPath(%s)", s); if (dirPath.find(ASSETS_FOLDER_NAME) == 0) { s += ASSETS_FOLDER_NAME_LENGTH; } if (FileUtilsAndroid::assetmanager) { AAssetDir* aa = AAssetManager_openDir(FileUtilsAndroid::assetmanager, s); if (aa && AAssetDir_getNextFileName(aa)) { AAssetDir_close(aa); return true; } } } return false; } bool FileUtilsAndroid::isAbsolutePath(const std::string& strPath) const { DECLARE_GUARD; // On Android, there are two situations for full path. // 1) Files in APK, e.g. assets/path/path/file.png // 2) Files not in APK, e.g. /data/data/org.cocos2dx.hellocpp/cache/path/path/file.png, or /sdcard/path/path/file.png. // So these two situations need to be checked on Android. if (strPath[0] == '/' || strPath.find(_defaultResRootPath) == 0) { return true; } return false; } int64_t FileUtilsAndroid::getFileSize(const std::string& filepath) const { DECLARE_GUARD; int64_t size = FileUtils::getFileSize(filepath); if (size != -1) { return size; } if (FileUtilsAndroid::assetmanager) { string relativePath = filepath; if (filepath.find(_defaultResRootPath) == 0) { relativePath = filepath.substr(_defaultResRootPath.size()); } AAsset* asset = AAssetManager_open(FileUtilsAndroid::assetmanager, relativePath.data(), AASSET_MODE_UNKNOWN); if (asset) { size = AAsset_getLength(asset); AAsset_close(asset); } } return size; } std::vector FileUtilsAndroid::listFiles(const std::string& dirPath) const { if(!dirPath.empty() && dirPath[0] == '/') return FileUtils::listFiles(dirPath); std::vector fileList; string fullPath = fullPathForDirectory(dirPath); static const std::string apkprefix("assets/"); string relativePath = ""; size_t position = fullPath.find(apkprefix); if (0 == position) { // "assets/" is at the beginning of the path and we don't want it relativePath += fullPath.substr(apkprefix.size()); } else { relativePath = fullPath; } if(obbfile) return obbfile->listFiles(relativePath); if (nullptr == assetmanager) { LOGD("... FileUtilsAndroid::assetmanager is nullptr"); return fileList; } if(relativePath[relativePath.length() - 1] == '/') { relativePath.erase(relativePath.length() - 1); } auto *dir = AAssetManager_openDir(assetmanager, relativePath.c_str()); if(nullptr == dir) { LOGD("... FileUtilsAndroid::failed to open dir %s", relativePath.c_str()); AAssetDir_close(dir); return fileList; } const char *tmpDir = nullptr; while((tmpDir = AAssetDir_getNextFileName(dir))!= nullptr) { string filepath(tmpDir); if(isDirectoryExistInternal(filepath)) filepath += "/"; fileList.push_back(fullPath + filepath); } AAssetDir_close(dir); return fileList; } FileUtils::Status FileUtilsAndroid::getContents(const std::string& filename, ResizableBuffer* buffer) const { static const std::string apkprefix("assets/"); if (filename.empty()) return FileUtils::Status::NotExists; string fullPath = fullPathForFilename(filename); if (fullPath[0] == '/') return FileUtils::getContents(fullPath, buffer); string relativePath = string(); size_t position = fullPath.find(apkprefix); if (0 == position) { // "assets/" is at the beginning of the path and we don't want it relativePath += fullPath.substr(apkprefix.size()); } else { relativePath = fullPath; } if (obbfile) { if (obbfile->getFileData(relativePath, buffer)) return FileUtils::Status::OK; } if (nullptr == assetmanager) { LOGD("... FileUtilsAndroid::assetmanager is nullptr"); return FileUtils::Status::NotInitialized; } AAsset* asset = AAssetManager_open(assetmanager, relativePath.data(), AASSET_MODE_UNKNOWN); if (nullptr == asset) { LOGD("asset is nullptr"); return FileUtils::Status::OpenFailed; } auto size = AAsset_getLength(asset); buffer->resize(size); int readsize = AAsset_read(asset, buffer->buffer(), size); AAsset_close(asset); if (readsize < size) { if (readsize >= 0) buffer->resize(readsize); return FileUtils::Status::ReadFailed; } return FileUtils::Status::OK; } string FileUtilsAndroid::getWritablePath() const { // Fix for Nexus 10 (Android 4.2 multi-user environment) // the path is retrieved through Java Context.getCacheDir() method string dir(""); string tmp = JniHelper::callStaticStringMethod("org.cocos2dx.lib.Cocos2dxHelper", "getCocos2dxWritablePath"); if (tmp.length() > 0) { dir.append(tmp).append("/"); return dir; } else { return ""; } } NS_CC_END