1 /*
2 * Copyright (c) 2024 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 "user_access_ctrl_client_impl.h"
17
18 #include "system_ability_definition.h"
19
20 #include "callback_manager.h"
21 #include "iam_logger.h"
22 #include "ipc_client_utils.h"
23 #include "user_access_ctrl_callback_service.h"
24
25 #define LOG_TAG "USER_ACCESS_CTRL_SDK"
26
27 namespace OHOS {
28 namespace UserIam {
29 namespace UserAuth {
VerifyAuthToken(const std::vector<uint8_t> & tokenIn,uint64_t allowableDuration,const std::shared_ptr<VerifyTokenCallback> & callback)30 void UserAccessCtrlClientImpl::VerifyAuthToken(const std::vector<uint8_t> &tokenIn, uint64_t allowableDuration,
31 const std::shared_ptr<VerifyTokenCallback> &callback)
32 {
33 IAM_LOGI("start");
34 if (!callback) {
35 IAM_LOGE("user access ctrl client callback is nullptr");
36 return;
37 }
38 auto proxy = GetProxy();
39 if (!proxy) {
40 IAM_LOGE("proxy is nullptr");
41 Attributes extraInfo;
42 callback->OnResult(GENERAL_ERROR, extraInfo);
43 return;
44 }
45
46 sptr<VerifyTokenCallbackInterface> wrapper(new (std::nothrow) VerifyTokenCallbackService(callback));
47 if (wrapper == nullptr) {
48 IAM_LOGE("failed to create wrapper");
49 Attributes extraInfo;
50 callback->OnResult(GENERAL_ERROR, extraInfo);
51 return;
52 }
53 proxy->VerifyAuthToken(tokenIn, allowableDuration, wrapper);
54 }
55
GetProxy()56 sptr<UserAuthInterface> UserAccessCtrlClientImpl::GetProxy()
57 {
58 std::lock_guard<std::mutex> lock(mutex_);
59 if (proxy_ != nullptr) {
60 return proxy_;
61 }
62 sptr<IRemoteObject> obj = IpcClientUtils::GetRemoteObject(SUBSYS_USERIAM_SYS_ABILITY_USERAUTH);
63 if (obj == nullptr) {
64 IAM_LOGE("remote object is null");
65 return proxy_;
66 }
67 sptr<IRemoteObject::DeathRecipient> dr(new (std::nothrow) UserAccessCtrlImplDeathRecipient());
68 if ((dr == nullptr) || (obj->IsProxyObject() && !obj->AddDeathRecipient(dr))) {
69 IAM_LOGE("add death recipient fail");
70 return proxy_;
71 }
72
73 proxy_ = iface_cast<UserAuthInterface>(obj);
74 deathRecipient_ = dr;
75 return proxy_;
76 }
77
ResetProxy(const wptr<IRemoteObject> & remote)78 void UserAccessCtrlClientImpl::ResetProxy(const wptr<IRemoteObject> &remote)
79 {
80 IAM_LOGI("start");
81 std::lock_guard<std::mutex> lock(mutex_);
82 if (proxy_ == nullptr) {
83 IAM_LOGE("proxy_ is null");
84 return;
85 }
86 auto serviceRemote = proxy_->AsObject();
87 if ((serviceRemote != nullptr) && (serviceRemote == remote.promote())) {
88 IAM_LOGI("need reset");
89 serviceRemote->RemoveDeathRecipient(deathRecipient_);
90 proxy_ = nullptr;
91 deathRecipient_ = nullptr;
92 }
93 IAM_LOGI("end reset proxy");
94 }
95
OnRemoteDied(const wptr<IRemoteObject> & remote)96 void UserAccessCtrlClientImpl::UserAccessCtrlImplDeathRecipient::OnRemoteDied(const wptr<IRemoteObject> &remote)
97 {
98 IAM_LOGI("start");
99 if (remote == nullptr) {
100 IAM_LOGE("remote is nullptr");
101 return;
102 }
103 CallbackManager::GetInstance().OnServiceDeath();
104 UserAccessCtrlClientImpl::Instance().ResetProxy(remote);
105 }
106
Instance()107 UserAccessCtrlClientImpl &UserAccessCtrlClientImpl::Instance()
108 {
109 static UserAccessCtrlClientImpl impl;
110 return impl;
111 }
112
GetInstance()113 UserAccessCtrlClient &UserAccessCtrlClient::GetInstance()
114 {
115 return UserAccessCtrlClientImpl::Instance();
116 }
117 } // namespace UserAuth
118 } // namespace UserIam
119 } // namespace OHOS