1 /* 2 * Copyright (c) 2021-2025 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 16 #ifndef DAEMON_H 17 #define DAEMON_H 18 19 #include <memory> 20 #include <mutex> 21 #include <string> 22 23 #include "accesstoken_kit.h" 24 #include "daemon_event.h" 25 #include "daemon_eventhandler.h" 26 #include "daemon_execute.h" 27 #include "daemon_stub.h" 28 #include "dm_device_info.h" 29 #include "file_trans_listener_proxy.h" 30 #include "hmdfs_info.h" 31 #include "ipc/i_daemon.h" 32 #include "iremote_stub.h" 33 #include "multiuser/os_account_observer.h" 34 #include "nocopyable.h" 35 #include "refbase.h" 36 #include "remote_file_share.h" 37 #include "system_ability.h" 38 #include "accesstoken_kit.h" 39 40 namespace OHOS { 41 namespace Storage { 42 namespace DistributedFile { 43 using HapTokenInfo = OHOS::Security::AccessToken::HapTokenInfo; 44 enum class ServiceRunningState { STATE_NOT_START, STATE_RUNNING }; 45 46 class Daemon final : public SystemAbility, public DaemonStub, protected NoCopyable { 47 DECLARE_SYSTEM_ABILITY(Daemon); 48 49 public: SystemAbility(saID,runOnCreate)50 explicit Daemon(int32_t saID, bool runOnCreate = true) : SystemAbility(saID, runOnCreate) {}; 51 virtual ~Daemon() = default; 52 53 void OnStart() override; 54 void OnStop() override; 55 void OnAddSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override; 56 void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string &deviceId) override; QueryServiceState()57 ServiceRunningState QueryServiceState() const 58 { 59 return state_; 60 } 61 62 int32_t OpenP2PConnection(const DistributedHardware::DmDeviceInfo &deviceInfo) override; 63 int32_t CloseP2PConnection(const DistributedHardware::DmDeviceInfo &deviceInfo) override; 64 int32_t OpenP2PConnectionEx(const std::string &networkId, sptr<IFileDfsListener> remoteReverseObj) override; 65 int32_t CloseP2PConnectionEx(const std::string &networkId) override; 66 int32_t ConnectionCount(const DistributedHardware::DmDeviceInfo &deviceInfo); 67 int32_t CleanUp(const DistributedHardware::DmDeviceInfo &deviceInfo); 68 int32_t ConnectionAndMount(const DistributedHardware::DmDeviceInfo &deviceInfo, 69 const std::string &networkId, uint32_t callingTokenId, sptr<IFileDfsListener> remoteReverseObj); 70 int32_t InnerCopy(const std::string &srcUri, const std::string &dstUri, 71 const std::string &srcDeviceId, const sptr<IFileTransListener> &listener, HmdfsInfo &info); 72 int32_t PrepareSession(const std::string &srcUri, 73 const std::string &dstUri, 74 const std::string &srcDeviceId, 75 const sptr<IRemoteObject> &listener, 76 HmdfsInfo &info) override; 77 int32_t CancelCopyTask(const std::string &sessionName) override; 78 int32_t CancelCopyTask(const std::string &srcUri, const std::string &dstUri) override; 79 int32_t RequestSendFile(const std::string &srcUri, 80 const std::string &dstPath, 81 const std::string &dstDeviceId, 82 const std::string &sessionName) override; 83 int32_t GetRemoteCopyInfo(const std::string &srcUri, bool &isFile, bool &isDir) override; 84 85 int32_t PushAsset(int32_t userId, 86 const sptr<AssetObj> &assetObj, 87 const sptr<IAssetSendCallback> &sendCallback) override; 88 int32_t RegisterAssetCallback(const sptr<IAssetRecvCallback> &recvCallback) override; 89 int32_t UnRegisterAssetCallback(const sptr<IAssetRecvCallback> &recvCallback) override; 90 91 int32_t GetDfsUrisDirFromLocal(const std::vector<std::string> &uriList, 92 const int32_t userId, 93 std::unordered_map<std::string, AppFileService::ModuleRemoteFileShare::HmdfsUriInfo> 94 &uriToDfsUriMaps) override; 95 static int32_t Copy(const std::string &srcUri, 96 const std::string &dstPath, 97 const sptr<IDaemon> &daemon, 98 const std::string &sessionName); 99 int32_t GetDfsSwitchStatus(const std::string &networkId, int32_t &switchStatus) override; 100 int32_t UpdateDfsSwitchStatus(int32_t switchStatus) override; 101 int32_t GetConnectedDeviceList(std::vector<DfsDeviceInfo> &deviceList) override; 102 103 private: 104 Daemon(); 105 ServiceRunningState state_ { ServiceRunningState::STATE_NOT_START }; 106 static sptr<Daemon> instance_; 107 static std::mutex instanceLock_; 108 bool registerToService_ { false }; 109 std::shared_ptr<OsAccountObserver> subScriber_; 110 void PublishSA(); 111 void RegisterOsAccount(); 112 sptr<IDaemon> GetRemoteSA(const std::string &remoteDeviceId); 113 int32_t StoreSessionAndListener(const std::string &physicalPath, 114 std::string &sessionName, 115 const sptr<IFileTransListener> &listener); 116 void DeleteSessionAndListener(const std::string &sessionName); 117 int32_t GetRealPath(const std::string &srcUri, 118 const std::string &dstUri, 119 std::string &physicalPath, 120 HmdfsInfo &info, 121 const sptr<IDaemon> &daemon); 122 int32_t CheckCopyRule(std::string &physicalPath, 123 const std::string &dstUri, 124 HapTokenInfo &hapTokenInfo, 125 const bool &isSrcFile, 126 HmdfsInfo &info); 127 int32_t SendDfsDelayTask(const std::string &networkId); 128 void RemoveDfsDelayTask(const std::string &networkId); 129 void DisconnectDevice(const std::string networkId); 130 bool IsCallingDeviceTrusted(); 131 132 class DfsListenerDeathRecipient : public IRemoteObject::DeathRecipient { 133 public: DfsListenerDeathRecipient()134 DfsListenerDeathRecipient(){}; 135 ~DfsListenerDeathRecipient() = default; 136 void OnRemoteDied(const wptr<IRemoteObject> &remote) override; 137 }; 138 static inline sptr<DfsListenerDeathRecipient> dfsListenerDeathRecipient_; 139 int32_t CopyBaseOnRPC(const std::string &srcUri, 140 const std::string &dstUri, 141 const std::string &srcDeviceId, 142 const sptr<IFileTransListener> &listenerCallback, 143 HmdfsInfo &info); 144 145 void DisconnectByRemote(const std::string &networkId); 146 int32_t CreatControlLink(const std::string &networkId); 147 int32_t CancelControlLink(const std::string &networkId); 148 int32_t CheckRemoteAllowConnect(const std::string &networkId); 149 int32_t NotifyRemotePublishNotification(const std::string &networkId); 150 int32_t NotifyRemoteCancelNotification(const std::string &networkId); 151 private: 152 std::mutex connectMutex_; 153 std::mutex eventHandlerMutex_; 154 std::shared_ptr<DaemonEventHandler> eventHandler_; 155 std::shared_ptr<DaemonExecute> daemonExecute_; 156 void StartEventHandler(); 157 }; 158 } // namespace DistributedFile 159 } // namespace Storage 160 } // namespace OHOS 161 #endif // DAEMON_H 162