1 /*
2 * Copyright (C) 2021 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 #include "telephony_permission.h"
17
18 #include "accesstoken_kit.h"
19 #include "bundle_mgr_interface.h"
20 #include "hilog_wrapper.h"
21 #include "if_system_ability_manager.h"
22 #include "ipc_skeleton.h"
23 #include "iservice_registry.h"
24 #include "system_ability_definition.h"
25 #include "accesstoken_kit.h"
26 #include "privacy_kit.h"
27
28 #include "system_ability_definition.h"
29 #include "tokenid_kit.h"
30
31 namespace OHOS {
32 namespace Telephony {
33 using namespace Security::AccessToken;
34
35 /**
36 * @brief Permission check by callingUid.
37 * @param permissionName permission name.
38 * @return Returns true on success, false on failure.
39 */
CheckPermission(const std::string &permissionName)40 bool TelephonyPermission::CheckPermission(const std::string &permissionName)
41 {
42 if (permissionName.empty()) {
43 HILOG_ERROR("permission check failed, permission name is empty.");
44 return false;
45 }
46
47 auto callerToken = IPCSkeleton::GetCallingTokenID();
48 auto tokenType = AccessTokenKit::GetTokenTypeFlag(callerToken);
49 int result = PermissionState::PERMISSION_DENIED;
50 if (tokenType == ATokenTypeEnum::TOKEN_NATIVE) {
51 result = PermissionState::PERMISSION_GRANTED;
52 } else if (tokenType == ATokenTypeEnum::TOKEN_HAP) {
53 result = AccessTokenKit::VerifyAccessToken(callerToken, permissionName);
54 } else {
55 HILOG_ERROR("permission check failed");
56 }
57
58 if (permissionName == Permission::READ_CALL_LOG
59 || permissionName == Permission::READ_CONTACTS || permissionName == Permission::WRITE_CONTACTS
60 || permissionName == Permission::OHOS_PERMISSION_MANAGE_VOICEMAIL) {
61 if (tokenType == ATokenTypeEnum::TOKEN_HAP) {
62 bool status = result == PermissionState::PERMISSION_GRANTED;
63 int32_t successCount = status ? 1 : 0;
64 int32_t failCount = status ? 0 : 1;
65 int32_t ret = PrivacyKit::AddPermissionUsedRecord(callerToken, permissionName, successCount, failCount);
66 if (ret != 0) {
67 HILOG_ERROR("AddPermissionUsedRecord failed");
68 }
69 }
70 }
71
72 if (result != PermissionState::PERMISSION_GRANTED) {
73 HILOG_ERROR("permission check failed");
74 return false;
75 }
76 return true;
77 }
78 } // namespace Telephony
79 } // namespace OHOS