1 /* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef MEDIALIBRARY_PERMISSION_UTILS_H 16 #define MEDIALIBRARY_PERMISSION_UTILS_H 17 18 #include <array> 19 #include <list> 20 #include <string> 21 #include <unordered_map> 22 #include <vector> 23 #include <thread> 24 #include <mutex> 25 26 #include "bundle_mgr_interface.h" 27 #include "userfile_manager_types.h" 28 #include "permission_used_type.h" 29 #include "privacy_kit.h" 30 #include "tokenid_kit.h" 31 32 namespace OHOS { 33 namespace Media { 34 #define COMPILE_HIDDEN __attribute__ ((visibility ("hidden"))) 35 const std::string PERMISSION_NAME_READ_MEDIA = "ohos.permission.READ_MEDIA"; 36 const std::string PERMISSION_NAME_WRITE_MEDIA = "ohos.permission.WRITE_MEDIA"; 37 const std::string PERMISSION_NAME_MEDIA_LOCATION = "ohos.permission.MEDIA_LOCATION"; 38 const std::string PERM_READ_IMAGEVIDEO = "ohos.permission.READ_IMAGEVIDEO"; 39 const std::string PERM_READ_AUDIO = "ohos.permission.READ_AUDIO"; 40 const std::string PERM_READ_DOCUMENT = "ohos.permission.READ_DOCUMENT"; 41 const std::string PERM_WRITE_IMAGEVIDEO = "ohos.permission.WRITE_IMAGEVIDEO"; 42 const std::string PERM_WRITE_AUDIO = "ohos.permission.WRITE_AUDIO"; 43 const std::string PERM_WRITE_DOCUMENT = "ohos.permission.WRITE_DOCUMENT"; 44 const std::string PERM_MANAGE_PRIVATE_PHOTOS = "ohos.permission.MANAGE_PRIVATE_PHOTOS"; 45 const std::string PERM_SHORT_TERM_WRITE_IMAGEVIDEO = "ohos.permission.SHORT_TERM_WRITE_IMAGEVIDEO"; 46 const std::string E_POLICY = "E"; 47 constexpr int THREE_HUNDERD_S = 300; 48 49 enum SaveType { 50 SHORT_IMAGE_PERM = 0, 51 }; 52 53 const std::vector<std::string> WRITE_PERMS_V10 = { 54 PERM_WRITE_IMAGEVIDEO, 55 PERM_WRITE_AUDIO, 56 PERM_WRITE_DOCUMENT 57 }; 58 59 struct BundleInfo { 60 std::string bundleName; 61 std::string packageName; 62 std::string appId; 63 }; 64 65 class PermissionUtils { 66 public: 67 static bool CheckCallerPermission(const std::string &permission); 68 static bool CheckCallerPermission(const std::vector<std::string> &perms); 69 static bool CheckHasPermission(const std::vector<std::string> &perms); 70 static void GetClientBundle(const int uid, std::string &bundleName); 71 static void GetPackageName(const int uid, std::string &packageName); 72 static uint32_t GetTokenId(); 73 static bool IsSystemApp(); 74 static bool IsNativeSAApp(); 75 static bool IsRootShell(); 76 static bool IsHdcShell(); 77 static bool CheckIsSystemAppByUid(); 78 static std::string GetPackageNameByBundleName(const std::string &bundleName); 79 static std::string GetAppIdByBundleName(const std::string &bundleName); 80 static std::string GetAppIdByBundleName(const std::string &bundleName, int32_t uid); 81 static void ClearBundleInfoInCache(); 82 static bool CheckPhotoCallerPermission(const std::vector<std::string> &perms); 83 static bool CheckPhotoCallerPermission(const std::string &permission); 84 static void CollectPermissionInfo(const std::string &permission, const bool permGranted, 85 const Security::AccessToken::PermissionUsedType type); 86 static bool SetEPolicy(); 87 88 private: 89 static sptr<AppExecFwk::IBundleMgr> GetSysBundleManager(); 90 COMPILE_HIDDEN static sptr<AppExecFwk::IBundleMgr> bundleMgr_; 91 COMPILE_HIDDEN static std::mutex bundleMgrMutex_; 92 static void GetBundleNameFromCache(int uid, std::string &bundleName); 93 static void GetPackageNameFromCache(int uid, const std::string &bundleName, std::string &packageName); 94 static void GetAppIdFromCache(int uid, const std::string &bundleName, std::string &appId); 95 static void UpdateLatestBundleInfo(int uid, const BundleInfo &bundleInfo); 96 static void UpdateBundleNameInCache(int uid, const std::string &bundleName); 97 static void UpdatePackageNameInCache(int uid, const std::string &packageName); 98 static void UpdateAppIdInCache(int uid, const std::string &appId); 99 100 static std::mutex uninstallMutex_; 101 static std::list<std::pair<int32_t, BundleInfo>> bundleInfoList_; // 用来快速获取使用频率最低的uid 102 static std::unordered_map<int32_t, std::list<std::pair<int32_t, BundleInfo>>::iterator> bundleInfoMap_; 103 }; 104 } // namespace Media 105 } // namespace OHOS 106 #endif // MEDIALIBRARY_PERMISSION_UTILS_H 107