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1 /*
2  * Copyright (c) 2023 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 SECURITY_COMPONENT_MANAGER_H
16 #define SECURITY_COMPONENT_MANAGER_H
17 
18 #include <functional>
19 #include <map>
20 #include <memory>
21 #include <mutex>
22 #include <string>
23 #include <vector>
24 #include "accesstoken_kit.h"
25 #include "app_state_observer.h"
26 #include "first_use_dialog.h"
27 #include "nocopyable.h"
28 #include "rwlock.h"
29 #include "sec_comp_base.h"
30 #include "sec_comp_entity.h"
31 #include "sec_comp_info.h"
32 #include "sec_comp_malicious_apps.h"
33 #include "sec_event_handler.h"
34 
35 namespace OHOS {
36 namespace Security {
37 namespace SecurityComponent {
38 struct SecCompCallerInfo {
39     AccessToken::AccessTokenID tokenId;
40     int32_t uid;
41     int32_t pid;
42 };
43 
44 struct ProcessCompInfos {
45     std::vector<std::shared_ptr<SecCompEntity>> compList;
46     bool isForeground = false;
47     AccessToken::AccessTokenID tokenId;
48 };
49 
50 class SecCompManager {
51 public:
52     static SecCompManager& GetInstance();
53     virtual ~SecCompManager() = default;
54 
55     int32_t RegisterSecurityComponent(SecCompType type, const nlohmann::json& jsonComponent,
56         const SecCompCallerInfo& caller, int32_t& scId);
57     int32_t UpdateSecurityComponent(int32_t scId, const nlohmann::json& jsonComponent,
58         const SecCompCallerInfo& caller);
59     int32_t UnregisterSecurityComponent(int32_t scId, const SecCompCallerInfo& caller);
60     int32_t ReportSecurityComponentClickEvent(SecCompInfo& secCompInfo, const nlohmann::json& jsonComponent,
61         const SecCompCallerInfo& caller, const std::vector<sptr<IRemoteObject>>& remote, std::string& message);
62     int32_t CheckClickEventParams(const SecCompCallerInfo& caller, const std::vector<sptr<IRemoteObject>>& remote);
63     void NotifyProcessForeground(int32_t pid);
64     void NotifyProcessBackground(int32_t pid);
65     void NotifyProcessDied(int32_t pid, bool isProcessCached);
66     void DumpSecComp(std::string& dumpStr);
67     bool Initialize();
68     void ExitSaProcess();
69     void ExitWhenAppMgrDied();
70     int32_t AddSecurityComponentProcess(const SecCompCallerInfo& caller);
71     bool HasCustomPermissionForSecComp();
72 
73 private:
74     SecCompManager();
75     bool IsForegroundCompExist();
76     bool IsCompExist();
77     bool IsScIdExist(int32_t scId);
78     int32_t AddSecurityComponentToList(int32_t pid,
79         AccessToken::AccessTokenID tokenId, std::shared_ptr<SecCompEntity> newEntity);
80     int32_t DeleteSecurityComponentFromList(int32_t pid, int32_t scId);
81     std::shared_ptr<SecCompEntity> GetSecurityComponentFromList(int32_t pid, int32_t scId);
82     int32_t CheckClickSecurityComponentInfo(std::shared_ptr<SecCompEntity> sc, int32_t scId,
83         const nlohmann::json& jsonComponent,  const SecCompCallerInfo& caller, std::string& message);
84     void SendCheckInfoEnhanceSysEvent(int32_t scId,
85         SecCompType type, const std::string& scene, int32_t res);
86     int32_t CreateScId();
87     void GetFoldOffsetY(const CrossAxisState crossAxisState);
88 
89     OHOS::Utils::RWLock componentInfoLock_;
90     std::mutex scIdMtx_;
91     std::unordered_map<int32_t, ProcessCompInfos> componentMap_;
92     int32_t scIdStart_;
93     bool isSaExit_ = false;
94     int32_t superFoldOffsetY_ = 0;
95 
96     std::shared_ptr<AppExecFwk::EventRunner> secRunner_;
97     std::shared_ptr<SecEventHandler> secHandler_;
98     SecCompMaliciousApps malicious_;
99 
100     std::function<void ()> exitSaProcessFunc_ = []() { return; };
101     DISALLOW_COPY_AND_MOVE(SecCompManager);
102 };
103 }  // namespace SecurityComponent
104 }  // namespace Security
105 }  // namespace OHOS
106 #endif  // SECURITY_COMPONENT_MANAGER_H
107