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1 /*
2  * Copyright (C) 2023-2023 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 #include "ce_service.h"
16 #include "nfc_event_publisher.h"
17 #include "nfc_event_handler.h"
18 #include "external_deps_proxy.h"
19 #include "loghelper.h"
20 #include "nfc_sdk_common.h"
21 #include "setting_data_share_impl.h"
22 #include "accesstoken_kit.h"
23 #include "hap_token_info.h"
24 
25 namespace OHOS {
26 namespace NFC {
27 const int FIELD_COMMON_EVENT_INTERVAL = 1000;
28 const int DEACTIVATE_TIMEOUT = 6000;
29 static const int DEFAULT_HOST_ROUTE_DEST = 0x00;
30 static const int PWR_STA_SWTCH_ON_SCRN_UNLCK = 0x01;
31 static const int DEFAULT_PWR_STA_HOST = PWR_STA_SWTCH_ON_SCRN_UNLCK;
32 const std::string APP_REMOVED = "app_removed";
33 const std::string APP_ADDED = "app_added";
34 std::mutex g_defaultPaymentAppInitMutex = {};
35 
CeService(std::weak_ptr<NfcService> nfcService,std::weak_ptr<NCI::INciCeInterface> nciCeProxy)36 CeService::CeService(std::weak_ptr<NfcService> nfcService, std::weak_ptr<NCI::INciCeInterface> nciCeProxy)
37     : nfcService_(nfcService), nciCeProxy_(nciCeProxy)
38 
39 {
40     Uri nfcDefaultPaymentApp(KITS::NFC_DATA_URI_PAYMENT_DEFAULT_APP);
41     DelayedSingleton<SettingDataShareImpl>::GetInstance()->GetElementName(
42         nfcDefaultPaymentApp, KITS::DATA_SHARE_KEY_NFC_PAYMENT_DEFAULT_APP, defaultPaymentElement_);
43 
44     appStateObserver_ = std::make_shared<AppStateObserver>(this);
45     DebugLog("CeService constructor end");
46 }
47 
~CeService()48 CeService::~CeService()
49 {
50     hostCardEmulationManager_ = nullptr;
51     aidToAidEntry_.clear();
52     foregroundElement_.SetBundleName("");
53     foregroundElement_.SetAbilityName("");
54     foregroundElement_.SetDeviceID("");
55     foregroundElement_.SetModuleName("");
56     defaultPaymentElement_.SetBundleName("");
57     defaultPaymentElement_.SetAbilityName("");
58     defaultPaymentElement_.SetDeviceID("");
59     defaultPaymentElement_.SetModuleName("");
60     initDefaultPaymentAppDone_ = false;
61     dynamicAids_.clear();
62     DebugLog("CeService deconstructor end");
63 }
64 
PublishFieldOnOrOffCommonEvent(bool isFieldOn)65 void CeService::PublishFieldOnOrOffCommonEvent(bool isFieldOn)
66 {
67     ExternalDepsProxy::GetInstance().PublishNfcFieldStateChanged(isFieldOn);
68 }
69 
RegHceCmdCallback(const sptr<KITS::IHceCmdCallback> & callback,const std::string & type,Security::AccessToken::AccessTokenID callerToken)70 bool CeService::RegHceCmdCallback(const sptr<KITS::IHceCmdCallback> &callback, const std::string &type,
71                                   Security::AccessToken::AccessTokenID callerToken)
72 {
73     if (hostCardEmulationManager_ == nullptr) {
74         ErrorLog("hce is null");
75         return false;
76     }
77     return hostCardEmulationManager_->RegHceCmdCallback(callback, type, callerToken);
78 }
79 
UnRegHceCmdCallback(const std::string & type,Security::AccessToken::AccessTokenID callerToken)80 bool CeService::UnRegHceCmdCallback(const std::string &type, Security::AccessToken::AccessTokenID callerToken)
81 {
82     if (hostCardEmulationManager_ == nullptr) {
83         ErrorLog("hce is null");
84         return false;
85     }
86     return hostCardEmulationManager_->UnRegHceCmdCallback(type, callerToken);
87 }
88 
UnRegAllCallback(Security::AccessToken::AccessTokenID callerToken)89 bool CeService::UnRegAllCallback(Security::AccessToken::AccessTokenID callerToken)
90 {
91     if (hostCardEmulationManager_ == nullptr) {
92         ErrorLog("hce is null");
93         return false;
94     }
95     return hostCardEmulationManager_->UnRegAllCallback(callerToken);
96 }
97 
IsDefaultService(ElementName & element,const std::string & type)98 bool CeService::IsDefaultService(ElementName &element, const std::string &type)
99 {
100     return type == KITS::TYPE_PAYMENT && element.GetBundleName() == defaultPaymentElement_.GetBundleName() &&
101            element.GetAbilityName() == defaultPaymentElement_.GetAbilityName();
102 }
103 
SendHostApduData(const std::string & hexCmdData,bool raw,std::string & hexRespData,Security::AccessToken::AccessTokenID callerToken)104 bool CeService::SendHostApduData(const std::string &hexCmdData, bool raw, std::string &hexRespData,
105                                  Security::AccessToken::AccessTokenID callerToken)
106 {
107     if (hostCardEmulationManager_ == nullptr) {
108         ErrorLog("hce is null");
109         return false;
110     }
111     return hostCardEmulationManager_->SendHostApduData(hexCmdData, raw, hexRespData, callerToken);
112 }
113 
InitConfigAidRouting(bool forceUpdate)114 bool CeService::InitConfigAidRouting(bool forceUpdate)
115 {
116     DebugLog("AddAidRoutingHceAids: start, forceUpdate is %{public}d", forceUpdate);
117     std::lock_guard<std::mutex> lock(configRoutingMutex_);
118     std::map<std::string, AidEntry> aidEntries;
119     BuildAidEntries(aidEntries);
120     InfoLog("AddAidRoutingHceAids, aid entries cache size %{public}zu,aid entries newly builded size %{public}zu",
121             aidToAidEntry_.size(), aidEntries.size());
122     if (aidEntries == aidToAidEntry_ && !forceUpdate) {
123         InfoLog("aid entries do not change.");
124         return false;
125     }
126 
127     if (nciCeProxy_.expired()) {
128         ErrorLog("InitConfigAidRouting: nciCeProxy_ is nullptr.");
129         return false;
130     }
131     nciCeProxy_.lock()->ClearAidTable();
132     aidToAidEntry_.clear();
133     bool addAllResult = true;
134     for (const auto &pair : aidEntries) {
135         AidEntry entry = pair.second;
136         std::string aid = entry.aid;
137         int aidInfo = entry.aidInfo;
138         int power = entry.power;
139         int route = entry.route;
140         InfoLog("AddAidRoutingHceAids: aid= %{public}s, aidInfo= "
141                 "0x%{public}x, route=0x%{public}x, power=0x%{public}x",
142                 aid.c_str(), aidInfo, route, power);
143         bool addResult = nciCeProxy_.lock()->AddAidRouting(aid, route, aidInfo, power);
144         if (!addResult) {
145             ErrorLog("AddAidRoutingHceAids: add aid failed aid= %{public}s", aid.c_str());
146             addAllResult = false;
147         }
148     }
149     if (addAllResult) {
150         InfoLog("AddAidRoutingHceAids: add aids success, update the aid entries cache");
151         aidToAidEntry_ = std::move(aidEntries);
152     }
153     DebugLog("AddAidRoutingHceAids: end");
154     return true;
155 }
156 
HandleAppStateChanged(const std::string & bundleName,const std::string & abilityName,int abilityState)157 void CeService::HandleAppStateChanged(const std::string &bundleName, const std::string &abilityName,
158                                       int abilityState)
159 {
160     if (bundleName.empty()) {
161         ErrorLog("OnForegroundApplicationChanged bundle name is empty.");
162         return;
163     }
164 
165     if (bundleName != foregroundElement_.GetBundleName()) {
166         DebugLog("OnForegroundApplicationChanged not equal to the foreground element, no need to handle.");
167         return;
168     }
169     if (abilityState == static_cast<int32_t>(AppExecFwk::ApplicationState::APP_STATE_FOREGROUND)) {
170         DebugLog("OnForegroundApplicationChanged foreground state, no need to handle.");
171         return;
172     }
173 
174     ClearHceInfo();
175     InfoLog("foreground app state change: refresh route table");
176     ConfigRoutingAndCommit();
177 }
178 
BuildAidEntries(std::map<std::string,AidEntry> & aidEntries)179 void CeService::BuildAidEntries(std::map<std::string, AidEntry> &aidEntries)
180 {
181     std::vector<AppDataParser::HceAppAidInfo> hceApps;
182     ExternalDepsProxy::GetInstance().GetHceApps(hceApps);
183     InfoLog("AddAidRoutingHceOtherAids: hce apps size %{public}zu", hceApps.size());
184     for (const AppDataParser::HceAppAidInfo &appAidInfo : hceApps) {
185         bool isForeground = appAidInfo.element.GetBundleName() == foregroundElement_.GetBundleName() &&
186                            appAidInfo.element.GetAbilityName() == foregroundElement_.GetAbilityName();
187         bool isDefaultPayment = appAidInfo.element.GetBundleName() == defaultPaymentElement_.GetBundleName() &&
188                                 appAidInfo.element.GetAbilityName() == defaultPaymentElement_.GetAbilityName();
189         for (const AppDataParser::AidInfo &aidInfo : appAidInfo.customDataAid) {
190             // add payment aid of default payment app and foreground app
191             // add other aid of all apps
192             bool shouldAdd = KITS::KEY_OHTER_AID == aidInfo.name || isForeground || isDefaultPayment;
193             if (shouldAdd) {
194                 AidEntry aidEntry;
195                 aidEntry.aid = aidInfo.value;
196                 aidEntry.aidInfo = 0;
197                 aidEntry.power = DEFAULT_PWR_STA_HOST;
198                 aidEntry.route = DEFAULT_HOST_ROUTE_DEST;
199                 aidEntries[aidInfo.value] = aidEntry;
200             }
201         }
202     }
203     for (const std::string &aid : dynamicAids_) {
204         AidEntry aidEntry;
205         aidEntry.aid = aid;
206         aidEntry.aidInfo = 0;
207         aidEntry.power = DEFAULT_PWR_STA_HOST;
208         aidEntry.route = DEFAULT_HOST_ROUTE_DEST;
209         aidEntries[aid] = aidEntry;
210     }
211 }
212 
ClearAidEntriesCache()213 void CeService::ClearAidEntriesCache()
214 {
215     std::lock_guard<std::mutex> lock(configRoutingMutex_);
216     aidToAidEntry_.clear();
217     DebugLog("ClearAidEntriesCache end");
218 }
219 
IsDynamicAid(const std::string & targetAid)220 bool CeService::IsDynamicAid(const std::string &targetAid)
221 {
222     for (const std::string &aid : dynamicAids_) {
223         if (aid == targetAid) {
224             return true;
225         }
226     }
227     return false;
228 }
229 
OnDefaultPaymentServiceChange()230 void CeService::OnDefaultPaymentServiceChange()
231 {
232     ElementName newElement;
233     Uri nfcDefaultPaymentApp(KITS::NFC_DATA_URI_PAYMENT_DEFAULT_APP);
234     DelayedSingleton<SettingDataShareImpl>::GetInstance()->GetElementName(
235         nfcDefaultPaymentApp, KITS::DATA_SHARE_KEY_NFC_PAYMENT_DEFAULT_APP, newElement);
236     if (newElement.GetURI() == defaultPaymentElement_.GetURI()) {
237         InfoLog("OnDefaultPaymentServiceChange: payment service not change");
238         return;
239     }
240 
241     if (nfcService_.expired()) {
242         ErrorLog("nfcService_ is nullptr.");
243         return;
244     }
245     if (!nfcService_.lock()->IsNfcEnabled()) {
246         ErrorLog("NFC not enabled, should not happen.The default payment app is be set when nfc is enabled.");
247         return;
248     }
249     ExternalDepsProxy::GetInstance().WriteDefaultPaymentAppChangeHiSysEvent(defaultPaymentElement_.GetBundleName(),
250                                                                             newElement.GetBundleName());
251     UpdateDefaultPaymentElement(newElement);
252     InfoLog("OnDefaultPaymentServiceChange: refresh route table");
253     ConfigRoutingAndCommit();
254 }
OnAppAddOrChangeOrRemove(std::shared_ptr<EventFwk::CommonEventData> data)255 void CeService::OnAppAddOrChangeOrRemove(std::shared_ptr<EventFwk::CommonEventData> data)
256 {
257     DebugLog("OnAppAddOrChangeOrRemove start");
258 
259     if (!AppEventCheckValid(data)) {
260         return;
261     }
262 
263     std::string action = data->GetWant().GetAction();
264     ElementName element = data->GetWant().GetElement();
265     std::string bundleName = element.GetBundleName();
266 
267     InfoLog("OnAppAddOrChangeOrRemove: change bundleName %{public}s, default payment bundle name %{public}s, "
268             "installed status %{public}d",
269             bundleName.c_str(), defaultPaymentElement_.GetBundleName().c_str(),
270             defaultPaymentBundleInstalled_);
271 
272     if (bundleName == defaultPaymentElement_.GetBundleName() &&
273         action == EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED) {
274         UpdateDefaultPaymentBundleInstalledStatus(false);
275         ExternalDepsProxy::GetInstance().WriteDefaultPaymentAppChangeHiSysEvent(
276             defaultPaymentElement_.GetBundleName(), APP_REMOVED);
277     }
278 
279     if (bundleName == defaultPaymentElement_.GetBundleName() &&
280         action == EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_ADDED) {
281         UpdateDefaultPaymentBundleInstalledStatus(true);
282         ExternalDepsProxy::GetInstance().WriteDefaultPaymentAppChangeHiSysEvent(
283             defaultPaymentElement_.GetBundleName(), APP_ADDED);
284     }
285 
286     if (nfcService_.expired()) {
287         ErrorLog("nfcService_ is nullptr.");
288         return;
289     }
290     if (!nfcService_.lock()->IsNfcEnabled()) {
291         ErrorLog(" NFC not enabled, not need to update routing entry ");
292         return;
293     }
294     InfoLog("OnAppAddOrChangeOrRemove: refresh route table");
295     ConfigRoutingAndCommit();
296     DebugLog("OnAppAddOrChangeOrRemove end");
297 }
298 
AppEventCheckValid(std::shared_ptr<EventFwk::CommonEventData> data)299 bool CeService::AppEventCheckValid(std::shared_ptr<EventFwk::CommonEventData> data)
300 {
301     if (data == nullptr) {
302         ErrorLog("invalid event data");
303         return false;
304     }
305     std::string action = data->GetWant().GetAction();
306     if (action.empty()) {
307         ErrorLog("action is empty");
308         return false;
309     }
310     if ((action != EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_ADDED) &&
311         (action != EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_CHANGED) &&
312         (action != EventFwk::CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED)) {
313         InfoLog("not the interested action");
314         return false;
315     }
316 
317     ElementName element = data->GetWant().GetElement();
318     std::string bundleName = element.GetBundleName();
319     if (bundleName.empty()) {
320         ErrorLog("invalid bundleName.");
321         return false;
322     }
323     return true;
324 }
UpdateDefaultPaymentBundleInstalledStatus(bool installed)325 void CeService::UpdateDefaultPaymentBundleInstalledStatus(bool installed)
326 {
327     InfoLog("UpdateDefaultPaymentBundleInstalledStatus: bundleName %{public}d", installed);
328     std::lock_guard<std::mutex> lock(configRoutingMutex_);
329     defaultPaymentBundleInstalled_ = installed;
330 }
331 
UpdateDefaultPaymentElement(const ElementName & element)332 void CeService::UpdateDefaultPaymentElement(const ElementName &element)
333 {
334     InfoLog("UpdateDefaultPaymentElement: bundleName %{public}s", element.GetURI().c_str());
335     std::lock_guard<std::mutex> lock(configRoutingMutex_);
336     defaultPaymentElement_ = element;
337     defaultPaymentBundleInstalled_ = true;
338 }
GetDefaultPaymentType()339 KITS::DefaultPaymentType CeService::GetDefaultPaymentType()
340 {
341     InfoLog("GetDefaultPaymentType: default payment bundle name %{public}s, "
342             "installed status %{public}d",
343             defaultPaymentElement_.GetBundleName().c_str(), defaultPaymentBundleInstalled_);
344 
345     if (defaultPaymentElement_.GetBundleName().empty()) {
346         return KITS::DefaultPaymentType::TYPE_EMPTY;
347     }
348     if (!defaultPaymentBundleInstalled_) {
349         return KITS::DefaultPaymentType::TYPE_UNINSTALLED;
350     }
351     if (defaultPaymentElement_.GetBundleName() ==  nciCeProxy_.lock()->GetSimVendorBundleName()) {
352         return KITS::DefaultPaymentType::TYPE_UICC;
353     }
354     if (ExternalDepsProxy::GetInstance().IsHceApp(defaultPaymentElement_)) {
355         return KITS::DefaultPaymentType::TYPE_HCE;
356     }
357 
358     return KITS::DefaultPaymentType::TYPE_ESE;
359 }
360 
ConfigRoutingAndCommit()361 void CeService::ConfigRoutingAndCommit()
362 {
363     if (nfcService_.expired()) {
364         ErrorLog("ConfigRoutingAndCommit: nfc service is null");
365         return;
366     }
367     std::weak_ptr<NfcRoutingManager> routingManager = nfcService_.lock()->GetNfcRoutingManager();
368     if (routingManager.expired()) {
369         ErrorLog("ConfigRoutingAndCommit: routing manager is null");
370         return;
371     }
372 
373     bool updateAids = false;
374     bool updatePaymentType = UpdateDefaultPaymentType();
375     if (updatePaymentType) {
376         updateAids = InitConfigAidRouting(true);
377     } else {
378         updateAids = InitConfigAidRouting(false);
379     }
380 
381     InfoLog(
382         "ConfigRoutingAndCommit: aids updated status %{public}d, default payment type updated status %{public}d.",
383         updateAids, updatePaymentType);
384     if (updateAids || updatePaymentType) {
385         routingManager.lock()->ComputeRoutingParams(defaultPaymentType_);
386         routingManager.lock()->CommitRouting();
387     }
388 }
389 
SearchElementByAid(const std::string & aid,ElementName & aidElement)390 void CeService::SearchElementByAid(const std::string &aid, ElementName &aidElement)
391 {
392     if (aid.empty()) {
393         InfoLog("aid is empty");
394         return;
395     }
396     // find dynamic aid
397     if (IsDynamicAid(aid) && !foregroundElement_.GetBundleName().empty()) {
398         InfoLog("is foreground element");
399         aidElement.SetBundleName(foregroundElement_.GetBundleName());
400         aidElement.SetAbilityName(foregroundElement_.GetAbilityName());
401         return;
402     }
403     std::vector<AppDataParser::HceAppAidInfo> hceApps;
404     ExternalDepsProxy::GetInstance().GetHceAppsByAid(aid, hceApps);
405     if (hceApps.empty()) {
406         InfoLog("No applications found");
407         return;
408     }
409     // only one element, resolved
410     if (hceApps.size() == 1) {
411         ElementName element = hceApps[0].element;
412         aidElement.SetBundleName(element.GetBundleName());
413         aidElement.SetAbilityName(element.GetAbilityName());
414         return;
415     }
416     InfoLog("Found too many applications");
417     for (const AppDataParser::HceAppAidInfo &hceApp : hceApps) {
418         ElementName elementName = hceApp.element;
419         InfoLog("ElementName: %{public}s", elementName.GetBundleName().c_str());
420         InfoLog("ElementValue: %{public}s", elementName.GetAbilityName().c_str());
421 
422         bool isForeground = elementName.GetBundleName() == foregroundElement_.GetBundleName() &&
423                            elementName.GetAbilityName() == foregroundElement_.GetAbilityName();
424         bool isDefaultPayment = elementName.GetBundleName() == defaultPaymentElement_.GetBundleName() &&
425                                 elementName.GetAbilityName() == defaultPaymentElement_.GetAbilityName();
426         if (isForeground) {
427             // is foregroud, resolved
428             InfoLog("is foreground element");
429             aidElement.SetBundleName(elementName.GetBundleName());
430             aidElement.SetAbilityName(elementName.GetAbilityName());
431             return;
432         } else if (isDefaultPayment && IsPaymentAid(aid, hceApp)) {
433             // is default payment, resolved
434             InfoLog("is default payment element");
435             aidElement.SetBundleName(elementName.GetBundleName());
436             aidElement.SetAbilityName(elementName.GetAbilityName());
437             return;
438         }
439     }
440 
441     HandleOtherAidConflicted(hceApps);
442     InfoLog("SearchElementByAid end.");
443 }
HandleOtherAidConflicted(const std::vector<AppDataParser::HceAppAidInfo> & hceApps)444 void CeService::HandleOtherAidConflicted(const std::vector<AppDataParser::HceAppAidInfo> &hceApps)
445 {
446     InfoLog("too many applications found, let user decide.");
447     TAG::NfcNotificationId notificationId = TAG::NFC_HCE_AID_CONFLICTED_ID;
448     ExternalDepsProxy::GetInstance().PublishNfcNotification(notificationId, "", 0);
449 }
450 
UpdateDefaultPaymentType()451 bool CeService::UpdateDefaultPaymentType()
452 {
453     KITS::DefaultPaymentType defaultPaymentType = GetDefaultPaymentType();
454     InfoLog("The last default payment type %{public}d, the new one %{public}d.", defaultPaymentType_,
455             defaultPaymentType);
456     if (defaultPaymentType == defaultPaymentType_) {
457         return false;
458     }
459     std::lock_guard<std::mutex> lock(configRoutingMutex_);
460     ExternalDepsProxy::GetInstance().WriteDefaultRouteChangeHiSysEvent(
461         static_cast<int>(defaultPaymentType_), static_cast<int>(defaultPaymentType));
462     defaultPaymentType_ = defaultPaymentType;
463     NotifyDefaultPaymentType(static_cast<int>(defaultPaymentType_));
464     return true;
465 }
466 
IsPaymentAid(const std::string & aid,const AppDataParser::HceAppAidInfo & hceApp)467 bool CeService::IsPaymentAid(const std::string &aid, const AppDataParser::HceAppAidInfo &hceApp)
468 {
469     for (const AppDataParser::AidInfo &aidInfo : hceApp.customDataAid) {
470         if (KITS::KEY_PAYMENT_AID == aidInfo.name && aid == aidInfo.value) {
471             return true;
472         }
473     }
474     return false;
475 }
476 
HandleFieldActivated()477 void CeService::HandleFieldActivated()
478 {
479     if (nfcService_.expired() || nfcService_.lock()->eventHandler_ == nullptr) {
480         return;
481     }
482     nfcService_.lock()->eventHandler_->RemoveEvent(static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF));
483     nfcService_.lock()->eventHandler_->RemoveEvent(
484         static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF_TIMEOUT));
485     nfcService_.lock()->eventHandler_->SendEvent(
486         static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF_TIMEOUT), DEACTIVATE_TIMEOUT);
487 
488     uint64_t currentTime = KITS::NfcSdkCommon::GetRelativeTime();
489     if (currentTime < lastFieldOnTime_) {
490         WarnLog("currentTime = %{public}lu, lastFieldOnTime_ = %{public}lu", currentTime, lastFieldOnTime_);
491         lastFieldOnTime_ = 0;
492         return;
493     }
494     if (currentTime - lastFieldOnTime_ > FIELD_COMMON_EVENT_INTERVAL) {
495         lastFieldOnTime_ = currentTime;
496         nfcService_.lock()->eventHandler_->SendEvent(static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_ON));
497     }
498 }
499 
HandleFieldDeactivated()500 void CeService::HandleFieldDeactivated()
501 {
502     if (nfcService_.expired() || nfcService_.lock()->eventHandler_ == nullptr) {
503         return;
504     }
505     nfcService_.lock()->eventHandler_->RemoveEvent(
506         static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF_TIMEOUT));
507     nfcService_.lock()->eventHandler_->RemoveEvent(static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF));
508 
509     uint64_t currentTime = KITS::NfcSdkCommon::GetRelativeTime();
510     if (currentTime < lastFieldOffTime_) {
511         WarnLog("currentTime = %{public}lu, lastFieldOffTime_ = %{public}lu", currentTime, lastFieldOffTime_);
512         lastFieldOffTime_ = 0;
513         return;
514     }
515     if (currentTime - lastFieldOffTime_ > FIELD_COMMON_EVENT_INTERVAL) {
516         lastFieldOffTime_ = currentTime;
517         nfcService_.lock()->eventHandler_->SendEvent(static_cast<uint32_t>(NfcCommonEvent::MSG_NOTIFY_FIELD_OFF),
518                                                      FIELD_COMMON_EVENT_INTERVAL);
519     }
520 }
OnCardEmulationData(const std::vector<uint8_t> & data)521 void CeService::OnCardEmulationData(const std::vector<uint8_t> &data)
522 {
523     if (hostCardEmulationManager_ == nullptr) {
524         ErrorLog("hce is null");
525         return;
526     }
527     hostCardEmulationManager_->OnHostCardEmulationDataNfcA(data);
528 }
OnCardEmulationActivated()529 void CeService::OnCardEmulationActivated()
530 {
531     if (hostCardEmulationManager_ == nullptr) {
532         ErrorLog("hce is null");
533         return;
534     }
535     hostCardEmulationManager_->OnCardEmulationActivated();
536 }
OnCardEmulationDeactivated()537 void CeService::OnCardEmulationDeactivated()
538 {
539     if (hostCardEmulationManager_ == nullptr) {
540         ErrorLog("hce is null");
541         return;
542     }
543     hostCardEmulationManager_->OnCardEmulationDeactivated();
544 }
AsObject()545 OHOS::sptr<OHOS::IRemoteObject> CeService::AsObject()
546 {
547     return nullptr;
548 }
Initialize()549 void CeService::Initialize()
550 {
551     DebugLog("CeService Initialize start");
552     dataRdbObserver_ = sptr<DefaultPaymentServiceChangeCallback>(
553         new (std::nothrow) DefaultPaymentServiceChangeCallback(shared_from_this()));
554     InitDefaultPaymentApp();
555     defaultPaymentType_ = GetDefaultPaymentType();
556     ExternalDepsProxy::GetInstance().WriteDefaultRouteChangeHiSysEvent(
557         static_cast<int>(KITS::DefaultPaymentType::TYPE_UNKNOWN), static_cast<int>(defaultPaymentType_));
558     NotifyDefaultPaymentType(static_cast<int>(defaultPaymentType_));
559     hostCardEmulationManager_ =
560         std::make_shared<HostCardEmulationManager>(nfcService_, nciCeProxy_, shared_from_this());
561     DebugLog("CeService Initialize end");
562 }
563 
InitDefaultPaymentApp()564 bool CeService::InitDefaultPaymentApp()
565 {
566     std::lock_guard<std::mutex> lock(g_defaultPaymentAppInitMutex);
567     if (initDefaultPaymentAppDone_) {
568         WarnLog("InitDefaultPaymentApp: already done");
569         return false;
570     }
571     Uri nfcDefaultPaymentApp(KITS::NFC_DATA_URI_PAYMENT_DEFAULT_APP);
572     KITS::ErrorCode registerResult = DelayedSingleton<SettingDataShareImpl>::GetInstance()->
573         RegisterDataObserver(nfcDefaultPaymentApp, dataRdbObserver_);
574     if (registerResult != KITS::ERR_NONE) {
575         initDefaultPaymentAppDone_ = false;
576         ErrorLog("register default payment app failed");
577         return false;
578     }
579     DelayedSingleton<SettingDataShareImpl>::GetInstance()->GetElementName(
580         nfcDefaultPaymentApp, KITS::DATA_SHARE_KEY_NFC_PAYMENT_DEFAULT_APP, defaultPaymentElement_);
581     defaultPaymentBundleInstalled_ =
582         ExternalDepsProxy::GetInstance().IsBundleInstalled(defaultPaymentElement_.GetBundleName());
583 
584     std::string appStatus = defaultPaymentBundleInstalled_ ? APP_ADDED : APP_REMOVED;
585     ExternalDepsProxy::GetInstance().WriteDefaultPaymentAppChangeHiSysEvent(defaultPaymentElement_.GetBundleName(),
586                                                                             appStatus);
587     initDefaultPaymentAppDone_ = true;
588     return true;
589 }
590 
Deinitialize()591 void CeService::Deinitialize()
592 {
593     DebugLog("CeService Deinitialize start");
594     ClearAidEntriesCache();
595     foregroundElement_.SetBundleName("");
596     foregroundElement_.SetAbilityName("");
597     foregroundElement_.SetDeviceID("");
598     foregroundElement_.SetModuleName("");
599     defaultPaymentElement_.SetBundleName("");
600     defaultPaymentElement_.SetAbilityName("");
601     defaultPaymentElement_.SetDeviceID("");
602     defaultPaymentElement_.SetModuleName("");
603     initDefaultPaymentAppDone_ = false;
604     dynamicAids_.clear();
605     Uri nfcDefaultPaymentApp(KITS::NFC_DATA_URI_PAYMENT_DEFAULT_APP);
606     DelayedSingleton<SettingDataShareImpl>::GetInstance()->ReleaseDataObserver(nfcDefaultPaymentApp,
607                                                                                dataRdbObserver_);
608     DebugLog("CeService Deinitialize end");
609 }
610 
StartHce(const ElementName & element,const std::vector<std::string> & aids)611 bool CeService::StartHce(const ElementName &element, const std::vector<std::string> &aids)
612 {
613     if (nfcService_.expired()) {
614         ErrorLog("nfcService_ is nullptr.");
615         return false;
616     }
617     if (!nfcService_.lock()->IsNfcEnabled()) {
618         ErrorLog("NFC not enabled, should not happen.");
619         return false;
620     }
621     SetHceInfo(element, aids);
622     InfoLog("StartHce: refresh route table");
623     ConfigRoutingAndCommit();
624     return true;
625 }
626 
SetHceInfo(const ElementName & element,const std::vector<std::string> & aids)627 void CeService::SetHceInfo(const ElementName &element, const std::vector<std::string> &aids)
628 {
629     InfoLog("SetHceInfo start.");
630     std::lock_guard<std::mutex> lock(configRoutingMutex_);
631     foregroundElement_ = element;
632     ExternalDepsProxy::GetInstance().WriteForegroundAppChangeHiSysEvent(foregroundElement_.GetBundleName());
633     dynamicAids_.clear();
634     dynamicAids_ = std::move(aids);
635 }
636 
ClearHceInfo()637 void CeService::ClearHceInfo()
638 {
639     InfoLog("ClearHceInfo start.");
640     std::lock_guard<std::mutex> lock(configRoutingMutex_);
641     foregroundElement_.SetBundleName("");
642     foregroundElement_.SetAbilityName("");
643     foregroundElement_.SetDeviceID("");
644     foregroundElement_.SetModuleName("");
645     ExternalDepsProxy::GetInstance().WriteForegroundAppChangeHiSysEvent(foregroundElement_.GetBundleName());
646     dynamicAids_.clear();
647 }
648 
StopHce(const ElementName & element,Security::AccessToken::AccessTokenID callerToken)649 bool CeService::StopHce(const ElementName &element, Security::AccessToken::AccessTokenID callerToken)
650 {
651     bool isForegroud = element.GetBundleName() == foregroundElement_.GetBundleName() &&
652                        element.GetAbilityName() == foregroundElement_.GetAbilityName();
653     if (isForegroud) {
654         ClearHceInfo();
655         InfoLog("StopHce: refresh route table");
656         ConfigRoutingAndCommit();
657     }
658     return hostCardEmulationManager_->UnRegAllCallback(callerToken);
659 }
660 
HandleWhenRemoteDie(Security::AccessToken::AccessTokenID callerToken)661 bool CeService::HandleWhenRemoteDie(Security::AccessToken::AccessTokenID callerToken)
662 {
663     Security::AccessToken::HapTokenInfo hapTokenInfo;
664     int result = Security::AccessToken::AccessTokenKit::GetHapTokenInfo(callerToken, hapTokenInfo);
665 
666     InfoLog("get hap token info, result = %{public}d", result);
667     if (result) {
668         return false;
669     }
670     if (hapTokenInfo.bundleName.empty()) {
671         ErrorLog("HandleWhenRemoteDie: not got bundle name");
672         return false;
673     }
674 
675     bool isForegroud = hapTokenInfo.bundleName == foregroundElement_.GetBundleName();
676     if (isForegroud) {
677         ClearHceInfo();
678         InfoLog("remote die: refresh route table");
679         ConfigRoutingAndCommit();
680     }
681     return hostCardEmulationManager_->UnRegAllCallback(callerToken);
682 }
683 
NotifyDefaultPaymentType(int paymentType)684 void CeService::NotifyDefaultPaymentType(int paymentType)
685 {
686     InfoLog("NotifyDefaultPaymentType: %{public}d", paymentType);
687     if (nciCeProxy_.expired()) {
688         ErrorLog("NotifyDefaultPaymentType: nciCeProxy_ is nullptr.");
689         return;
690     }
691     nciCeProxy_.lock()->NotifyDefaultPaymentType(paymentType);
692 }
693 
HandleDataShareReady()694 void CeService::HandleDataShareReady()
695 {
696     // when bundle manager init done, when recv the event of dataShareReady;
697     // app list and default payment app need to get from bundle manager, need init if not been initialized.
698     InfoLog("HandleDataShareReady: Init app list and DefaultPayment App");
699     ExternalDepsProxy::GetInstance().InitAppList();
700     if (InitDefaultPaymentApp()) {
701         ConfigRoutingAndCommit();
702     }
703     if (nfcService_.expired()) {
704         ErrorLog("nfc service nullptr");
705         return;
706     }
707     int nfcState = nfcService_.lock()->GetNfcState();
708     ExternalDepsProxy::GetInstance().UpdateNfcState(nfcState);
709     InfoLog("Update nfc state [%{public}d]", nfcState);
710 }
711 } // namespace NFC
712 } // namespace OHOS