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 16 #ifndef FOUNDATION_EVENT_CESFWK_SERVICES_INCLUDE_STATIC_SUBSCRIBER_MANAGER_H 17 #define FOUNDATION_EVENT_CESFWK_SERVICES_INCLUDE_STATIC_SUBSCRIBER_MANAGER_H 18 19 #include <map> 20 #include <string> 21 #include <vector> 22 23 #include "nlohmann/json.hpp" 24 25 #include "accesstoken_kit.h" 26 #include "bundle_manager_helper.h" 27 #include "common_event_data.h" 28 #include "common_event_publish_info.h" 29 #include "singleton.h" 30 31 namespace OHOS { 32 namespace EventFwk { 33 class StaticSubscriberManager : public DelayedSingleton<StaticSubscriberManager> { 34 public: 35 StaticSubscriberManager(); 36 37 virtual ~StaticSubscriberManager(); 38 39 /** 40 * Publishes common event to the static subscriber. 41 * @param data Indicates the common event data. 42 * @param publishInfo Indicates the publish informattion. 43 * @param callerToken Indicates the caller token. 44 * @param userId Indicates the ID of user. 45 * @param service Indicates the service. 46 */ 47 void PublishCommonEvent(const CommonEventData &data, const CommonEventPublishInfo &publishInfo, 48 const Security::AccessToken::AccessTokenID &callerToken, const int32_t &userId, 49 const sptr<IRemoteObject> &service, const std::string &bundleName); 50 51 private: 52 struct StaticSubscriberInfo { 53 std::string name; 54 std::string bundleName; 55 int32_t userId = -1; 56 std::string permission; 57 58 bool operator==(const StaticSubscriberInfo &that) const 59 { 60 return (name == that.name) && (bundleName == that.bundleName) && (userId == that.userId) && 61 (permission == that.permission); 62 } 63 }; 64 65 bool InitAllowList(); 66 bool InitValidSubscribers(); 67 void UpdateSubscriber(const CommonEventData &data); 68 void ParseEvents(const std::string &extensionName, const std::string &extensionBundleName, 69 const int32_t &extensionUid, const std::string &profile); 70 void AddSubscriber(const AppExecFwk::ExtensionAbilityInfo &extension); 71 void AddToValidSubscribers(const std::string &eventName, const StaticSubscriberInfo &extension); 72 void AddSubscriberWithBundleName(const std::string &bundleName, const int32_t &userId); 73 void RemoveSubscriberWithBundleName(const std::string &bundleName, const int32_t &userId); 74 bool VerifySubscriberPermission(const std::string &bundleName, const int32_t &userId, 75 const std::vector<std::string> &permissions); 76 bool VerifyPublisherPermission(const Security::AccessToken::AccessTokenID &callerToken, 77 const std::string &permission); 78 void SendStaticEventProcErrHiSysEvent(int32_t userId, const std::string &publisherName, 79 const std::string &subscriberName, const std::string &eventName); 80 81 std::vector<std::string> subscriberList_; 82 std::map<std::string, std::vector<StaticSubscriberInfo>> validSubscribers_; 83 bool hasInitAllowList_ = false; 84 bool hasInitValidSubscribers_ = false; 85 std::mutex subscriberMutex_; 86 }; 87 } // namespace EventFwk 88 } // namespace OHOS 89 90 #endif // FOUNDATION_EVENT_CESFWK_SERVICES_INCLUDE_STATIC_SUBSCRIBER_MANAGER_H 91