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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 OHOS_ABILITY_RUNTIME_PERMISSION_VERIFICATION_H
17 #define OHOS_ABILITY_RUNTIME_PERMISSION_VERIFICATION_H
18 
19 #include "ipc_skeleton.h"
20 #include "singleton.h"
21 #include "want.h"
22 
23 namespace OHOS {
24 namespace AAFwk {
25 class PermissionVerification : public DelayedSingleton<PermissionVerification> {
26 public:
27 struct VerificationInfo {
28     bool visible = false;
29     bool isBackgroundCall = true;
30     bool associatedWakeUp = false;
31     uint32_t accessTokenId = 0;
32     int32_t apiTargetVersion = 0;
33     bool withContinuousTask = false;
34 };
35 
36     PermissionVerification() = default;
37     ~PermissionVerification() = default;
38 
39     bool VerifyPermissionByTokenId(const int &tokenId, const std::string &permissionName) const;
40 
41     bool VerifyCallingPermission(const std::string &permissionName) const;
42 
43     bool IsSACall() const;
44 
45     bool IsShellCall() const;
46 
47     bool IsGatewayCall() const;
48 
49     bool CheckSpecificSystemAbilityAccessPermission() const;
50 
51     bool VerifyRunningInfoPerm() const;
52 
53     bool VerifyControllerPerm() const;
54 
55     bool VerifyDlpPermission(Want &want) const;
56 
57     int VerifyAccountPermission() const;
58 
59     bool VerifyMissionPermission() const;
60 
61     int VerifyAppStateObserverPermission() const;
62 
63     int32_t VerifyUpdateConfigurationPerm() const;
64 
65     bool VerifyInstallBundlePermission() const;
66 
67     bool VerifyGetBundleInfoPrivilegedPermission() const;
68 
69     int CheckCallDataAbilityPermission(const VerificationInfo &verificationInfo, bool isShell) const;
70 
71     int CheckCallServiceAbilityPermission(const VerificationInfo &verificationInfo) const;
72 
73     int CheckCallAbilityPermission(const VerificationInfo &verificationInfo) const;
74 
75     /**
76      * Check if Caller is allowed to start ServiceExtension(Stage) or DataShareExtension(Stage)
77      *
78      * @param verificationInfo, verificationInfo.
79      * @return Returns ERR_OK on check success, others on check failure.
80      */
81     int CheckCallServiceExtensionPermission(const VerificationInfo &verificationInfo) const;
82 
83     int CheckStartByCallPermission(const VerificationInfo &verificationInfo) const;
84 
85     bool JudgeCallerIsAllowedToUseSystemAPI() const;
86 
87     bool IsSystemAppCall() const;
88 
89     bool VerifyPrepareTerminatePermission() const;
90 
91     bool VerifyPrepareTerminatePermission(const int &tokenId) const;
92 
93 private:
94     DISALLOW_COPY_AND_MOVE(PermissionVerification);
95 
96     constexpr static int32_t API8 = 8;
97 
98     unsigned int GetCallingTokenID() const;
99 
100     bool JudgeStartInvisibleAbility(const uint32_t accessTokenId, const bool visible) const;
101 
102     bool JudgeStartAbilityFromBackground(const bool isBackgroundCall, bool withContinuousTask = false) const;
103 
104     bool JudgeAssociatedWakeUp(const uint32_t accessTokenId, const bool associatedWakeUp) const;
105 
106     int JudgeInvisibleAndBackground(const VerificationInfo &verificationInfo) const;
107 
IsCallFromSameAccessToken(const uint32_t accessTokenId)108     inline bool IsCallFromSameAccessToken(const uint32_t accessTokenId) const
109     {
110         return IPCSkeleton::GetCallingTokenID() == accessTokenId;
111     }
112 };
113 }  // namespace AAFwk
114 }  // namespace OHOS
115 #endif // OHOS_ABILITY_RUNTIME_PERMISSION_VERIFICATION_H
116