1 /*
2 * Copyright (c) 2025 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 "service_unload_manager.h"
17
18 #include "iam_check.h"
19 #include "iam_logger.h"
20 #include "relative_timer.h"
21 #include "system_param_manager.h"
22
23 #define LOG_TAG "USER_AUTH_SA"
24
25 namespace OHOS {
26 namespace UserIam {
27 namespace UserAuth {
GetInstance()28 ServiceUnloadManager &ServiceUnloadManager::GetInstance()
29 {
30 static ServiceUnloadManager instance;
31 return instance;
32 }
33
StartSubscribe()34 void ServiceUnloadManager::StartSubscribe()
35 {
36 std::lock_guard<std::recursive_mutex> lock(mutex_);
37
38 if (isSubscribed_) {
39 return;
40 }
41
42 auto isPinEnrolledListener = [](const std::string &value) {
43 bool isPinEnrolled = false;
44 if (value == TRUE_STR) {
45 isPinEnrolled = true;
46 }
47 ServiceUnloadManager::GetInstance().OnIsPinEnrolledChange(isPinEnrolled);
48 };
49
50 SystemParamManager::GetInstance().WatchParam(IS_PIN_ENROLLED_KEY, isPinEnrolledListener);
51 bool isPinEnrolled = SystemParamManager::GetInstance().GetParam(IS_PIN_ENROLLED_KEY, FALSE_STR) == TRUE_STR;
52 OnIsPinEnrolledChange(isPinEnrolled);
53
54 auto startSaListener = [](const std::string &value) {
55 bool startSa = false;
56 if (value == TRUE_STR) {
57 startSa = true;
58 }
59 ServiceUnloadManager::GetInstance().OnStartSaChange(startSa);
60 };
61 SystemParamManager::GetInstance().WatchParam(START_SA_KEY, startSaListener);
62
63 bool startSa = SystemParamManager::GetInstance().GetParam(START_SA_KEY, FALSE_STR) == TRUE_STR;
64 OnStartSaChange(startSa);
65
66 isSubscribed_ = true;
67 }
68
OnTimeout()69 void ServiceUnloadManager::OnTimeout()
70 {
71 std::lock_guard<std::recursive_mutex> lock(mutex_);
72 IAM_LOGI("timer timeout, stop sa");
73 StopTimer();
74 if (isPinEnrolled_) {
75 IAM_LOGI("isPinEnrolled is true, not stop sa");
76 return;
77 }
78 SystemParamManager::GetInstance().SetParamTwice(STOP_SA_KEY, FALSE_STR, TRUE_STR);
79 }
80
OnIsPinEnrolledChange(bool isPinEnrolled)81 void ServiceUnloadManager::OnIsPinEnrolledChange(bool isPinEnrolled)
82 {
83 std::lock_guard<std::recursive_mutex> lock(mutex_);
84 if (isPinEnrolled_ == isPinEnrolled) {
85 return;
86 }
87 IAM_LOGI("isPinEnrolled change from %{public}d to %{public}d", isPinEnrolled_, isPinEnrolled);
88 isPinEnrolled_ = isPinEnrolled;
89
90 if (isPinEnrolled) {
91 IAM_LOGI("isPinEnrolled is true, stop timer");
92 StopTimer();
93 } else {
94 bool isCredentialChecked = SystemParamManager::GetInstance().GetParam(IS_CREDENTIAL_CHECKED_KEY, FALSE_STR) ==
95 TRUE_STR;
96 if (isCredentialChecked) {
97 IAM_LOGI("isPinEnrolled is false, isCredentialChecked is true, start timer");
98 RestartTimer();
99 } else {
100 IAM_LOGI("isPinEnrolled is false, isCredentialChecked is false, not start timer");
101 }
102 }
103 }
104
OnStartSaChange(bool startSa)105 void ServiceUnloadManager::OnStartSaChange(bool startSa)
106 {
107 std::lock_guard<std::recursive_mutex> lock(mutex_);
108 if (startSa_ == startSa) {
109 return;
110 }
111 IAM_LOGI("startSa change from %{public}d to %{public}d", startSa_, startSa);
112 startSa_ = startSa;
113 if (!startSa) {
114 return;
115 }
116
117 bool isCredentialChecked = SystemParamManager::GetInstance().GetParam(IS_CREDENTIAL_CHECKED_KEY, FALSE_STR) ==
118 TRUE_STR;
119 if (startSa && !isPinEnrolled_ && isCredentialChecked) {
120 IAM_LOGI("start sa and isPinEnrolled is false, start timer");
121 RestartTimer();
122 } else {
123 IAM_LOGI("start sa %{public}d, isPinEnrolled %{public}d, isCredentialChecked %{public}d, not start timer",
124 startSa, isPinEnrolled_, isCredentialChecked);
125 }
126 }
127
RestartTimer()128 void ServiceUnloadManager::RestartTimer()
129 {
130 std::lock_guard<std::recursive_mutex> lock(mutex_);
131 const uint32_t TEN_MINUTE = 10 * 60 * 1000;
132 IAM_LOGI("start timer");
133 StopTimer();
134 timerId_ =
135 RelativeTimer::GetInstance().Register([]() { ServiceUnloadManager::GetInstance().OnTimeout(); }, TEN_MINUTE);
136 }
137
StopTimer()138 void ServiceUnloadManager::StopTimer()
139 {
140 std::lock_guard<std::recursive_mutex> lock(mutex_);
141 if (timerId_ == std::nullopt) {
142 return;
143 }
144 IAM_LOGI("stop timer");
145 RelativeTimer::GetInstance().Unregister(timerId_.value());
146 timerId_ = std::nullopt;
147 }
148
OnFwkReady(bool & isStopSa)149 void ServiceUnloadManager::OnFwkReady(bool &isStopSa)
150 {
151 std::lock_guard<std::recursive_mutex> lock(mutex_);
152 isStopSa = false;
153 isPinEnrolled_ = SystemParamManager::GetInstance().GetParam(IS_PIN_ENROLLED_KEY, FALSE_STR) == TRUE_STR;
154 if (isPinEnrolled_) {
155 IAM_LOGI("fwk ready, isPinEnrolled is true, sa should be running");
156 return;
157 }
158
159 if (timerId_ != std::nullopt) {
160 IAM_LOGI("fwk ready, timer is running, wait timer timeout");
161 return;
162 }
163
164 IAM_LOGI("fwk ready, timer is not running and isPinEnrolled is false, stop sa");
165 SystemParamManager::GetInstance().SetParamTwice(STOP_SA_KEY, FALSE_STR, TRUE_STR);
166 isStopSa = true;
167 }
168 } // namespace UserAuth
169 } // namespace UserIam
170 } // namespace OHOS