1 /*
2 * Copyright (c) 2022-2025 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 "static_subscriber_manager.h"
17
18 #include <fstream>
19 #include <mutex>
20 #include <set>
21
22 #include "ability_manager_helper.h"
23 #include "access_token_helper.h"
24 #include "bool_wrapper.h"
25 #include "bundle_manager_helper.h"
26 #include "ces_inner_error_code.h"
27 #include "common_event_constant.h"
28 #include "common_event_support.h"
29 #include "double_wrapper.h"
30 #include "event_log_wrapper.h"
31 #include "event_report.h"
32 #include "hitrace_meter_adapter.h"
33 #include "int_wrapper.h"
34 #include "ipc_skeleton.h"
35 #include "os_account_manager_helper.h"
36 #include "static_subscriber_data_manager.h"
37 #include "string_wrapper.h"
38 #include "parameters.h"
39
40 namespace OHOS {
41 namespace EventFwk {
42 namespace {
43 const std::string CONFIG_APPS = "apps";
44 constexpr static char JSON_KEY_COMMON_EVENTS[] = "commonEvents";
45 constexpr static char JSON_KEY_NAME[] = "name";
46 constexpr static char JSON_KEY_PERMISSION[] = "permission";
47 constexpr static char JSON_KEY_EVENTS[] = "events";
48 constexpr static const char* JSON_KEY_FILTER = "filter";
49 constexpr static const char* JSON_KEY_FILTER_EVENT = "event";
50 constexpr static const char* JSON_KEY_FILTER_CONDITIONS = "conditions";
51 constexpr static const char* JSON_KEY_FILTER_CONDITIONS_CODE = "code";
52 constexpr static const char* JSON_KEY_FILTER_CONDITIONS_DATA = "data";
53 constexpr static const char* JSON_KEY_FILTER_CONDITIONS_PARAMETERS = "parameters";
54 static int32_t g_bootDelayTime = OHOS::system::GetIntParameter("bootevent.boot.completed.delay", 0);
55 constexpr int32_t TIME_UNIT_SIZE = 1000;
56 }
57
StaticSubscriberManager()58 StaticSubscriberManager::StaticSubscriberManager() {}
59
~StaticSubscriberManager()60 StaticSubscriberManager::~StaticSubscriberManager() {}
61
InitAllowList()62 bool StaticSubscriberManager::InitAllowList()
63 {
64 EVENT_LOGD("enter");
65
66 std::vector<AppExecFwk::ApplicationInfo> appInfos {};
67 if (!DelayedSingleton<BundleManagerHelper>::GetInstance()
68 ->GetApplicationInfos(AppExecFwk::ApplicationFlag::GET_BASIC_APPLICATION_INFO, appInfos)) {
69 EVENT_LOGE_LIMIT("GetApplicationInfos failed");
70 return false;
71 }
72
73 for (auto const &appInfo : appInfos) {
74 std::vector<std::string> allowCommonEvents = appInfo.allowCommonEvent;
75 std::string bundleName = appInfo.bundleName;
76 for (auto e : allowCommonEvents) {
77 if (staticSubscribers_.find(bundleName) == staticSubscribers_.end()) {
78 std::set<std::string> s = {};
79 s.emplace(e);
80 StaticSubscriber subscriber = { .events = s};
81 staticSubscribers_.insert(std::make_pair(bundleName, subscriber));
82 } else {
83 staticSubscribers_[bundleName].events.emplace(e);
84 }
85 }
86 }
87
88 hasInitAllowList_ = true;
89 return true;
90 }
91
InitValidSubscribers()92 bool StaticSubscriberManager::InitValidSubscribers()
93 {
94 EVENT_LOGD("enter");
95
96 if (!validSubscribers_.empty()) {
97 validSubscribers_.clear();
98 }
99 if (!InitAllowList()) {
100 EVENT_LOGE_LIMIT("Failed to init allowCommonEvent list");
101 return false;
102 }
103 std::set<std::string> bundleList;
104 DelayedSingleton<StaticSubscriberDataManager>::GetInstance()->
105 QueryStaticSubscriberStateData(disableEvents_, bundleList);
106
107 std::vector<AppExecFwk::ExtensionAbilityInfo> extensions;
108 // get all static subscriber type extensions
109 if (!DelayedSingleton<BundleManagerHelper>::GetInstance()->QueryExtensionInfos(extensions)) {
110 EVENT_LOGE("QueryExtensionInfos failed");
111 return false;
112 }
113 // filter legal extensions and add them to valid map
114 for (auto extension : extensions) {
115 if (staticSubscribers_.find(extension.bundleName) == staticSubscribers_.end()) {
116 EVENT_LOGI("StaticExtension exists, but allowCommonEvent not found, bundlename = %{public}s",
117 extension.bundleName.c_str());
118 continue;
119 }
120 EVENT_LOGI("StaticExtension exists, bundlename = %{public}s", extension.bundleName.c_str());
121 AddSubscriber(extension);
122 }
123
124 if (bundleList.empty()) {
125 hasInitValidSubscribers_ = true;
126 return true;
127 }
128 std::lock_guard<std::mutex> lock(disableEventsMutex_);
129 if (!disableEvents_.empty()) {
130 disableEvents_.clear();
131 }
132 for (auto bundleName : bundleList) {
133 auto finder = staticSubscribers_.find(bundleName);
134 if (finder != staticSubscribers_.end()) {
135 std::vector<std::string> events;
136 for (auto &event : finder->second.events) {
137 events.emplace_back(event);
138 }
139 disableEvents_.emplace(bundleName, events);
140 }
141 }
142 DelayedSingleton<StaticSubscriberDataManager>::GetInstance()->UpdateStaticSubscriberState(disableEvents_);
143 hasInitValidSubscribers_ = true;
144 return true;
145 }
146
IsDisableEvent(const std::string & bundleName,const std::string & event)147 bool StaticSubscriberManager::IsDisableEvent(const std::string &bundleName, const std::string &event)
148 {
149 EVENT_LOGD("Called.");
150 std::lock_guard<std::mutex> lock(disableEventsMutex_);
151 auto bundleIt = disableEvents_.find(bundleName);
152 if (bundleIt == disableEvents_.end()) {
153 return false;
154 }
155 auto eventIt = std::find(bundleIt->second.begin(), bundleIt->second.end(), event);
156 if (eventIt != bundleIt->second.end()) {
157 return true;
158 }
159 return false;
160 }
161
PublishCommonEventConnecAbility(const CommonEventData & data,const sptr<IRemoteObject> & service,const int32_t & userId,const std::string & bundleName,const std::string & abilityName)162 void StaticSubscriberManager::PublishCommonEventConnecAbility(const CommonEventData &data,
163 const sptr<IRemoteObject> &service, const int32_t &userId,
164 const std::string &bundleName, const std::string &abilityName)
165 {
166 AAFwk::Want want;
167 want.SetElementName(bundleName, abilityName);
168 EVENT_LOGD("Ready to connect to subscriber %{public}s in bundle %{public}s",
169 abilityName.c_str(), bundleName.c_str());
170 DelayedSingleton<AbilityManagerHelper>::GetInstance()->ConnectAbility(want, data, service, userId);
171 SendStaticSubscriberStartHiSysEvent(userId, abilityName, bundleName, data.GetWant().GetAction());
172 }
173
PublishCommonEventInner(const CommonEventData & data,const CommonEventPublishInfo & publishInfo,const Security::AccessToken::AccessTokenID & callerToken,const int32_t & userId,const sptr<IRemoteObject> & service,const std::string & bundleName)174 void StaticSubscriberManager::PublishCommonEventInner(const CommonEventData &data,
175 const CommonEventPublishInfo &publishInfo, const Security::AccessToken::AccessTokenID &callerToken,
176 const int32_t &userId, const sptr<IRemoteObject> &service, const std::string &bundleName)
177 {
178 auto targetSubscribers = validSubscribers_.find(data.GetWant().GetAction());
179 if (targetSubscribers == validSubscribers_.end()) {
180 return;
181 }
182 std::vector<StaticSubscriberInfo> bootStartHaps {};
183 for (auto subscriber : targetSubscribers->second) {
184 if (IsDisableEvent(subscriber.bundleName, targetSubscribers->first)) {
185 EVENT_LOGW("subscriber %{public}s is disable.", subscriber.bundleName.c_str());
186 SendStaticEventProcErrHiSysEvent(userId, bundleName, subscriber.bundleName, data.GetWant().GetAction());
187 continue;
188 }
189 if (subscriber.userId < SUBSCRIBE_USER_SYSTEM_BEGIN) {
190 EVENT_LOGW("subscriber %{public}s userId is invalid, subscriber.userId = %{public}d",
191 subscriber.bundleName.c_str(), subscriber.userId);
192 SendStaticEventProcErrHiSysEvent(userId, bundleName, subscriber.bundleName, data.GetWant().GetAction());
193 continue;
194 }
195 if ((subscriber.userId > SUBSCRIBE_USER_SYSTEM_END) && (userId != ALL_USER)
196 && (subscriber.userId != userId)) {
197 EVENT_LOGW("subscriber %{public}s userId is not match, subscriber.userId = %{public}d,"
198 "userId = %{public}d", subscriber.bundleName.c_str(), subscriber.userId, userId);
199 SendStaticEventProcErrHiSysEvent(userId, bundleName, subscriber.bundleName, data.GetWant().GetAction());
200 continue;
201 }
202 if (!DelayedSingleton<BundleManagerHelper>::GetInstance()->
203 CheckIsSystemAppByBundleName(subscriber.bundleName, subscriber.userId)) {
204 EVENT_LOGW("subscriber %{public}s is not system app, not allow.", subscriber.bundleName.c_str());
205 continue;
206 }
207 if (!VerifyPublisherPermission(callerToken, subscriber.permission)) {
208 EVENT_LOGW("publisher does not have required permission %{public}s", subscriber.permission.c_str());
209 SendStaticEventProcErrHiSysEvent(userId, bundleName, subscriber.bundleName, data.GetWant().GetAction());
210 continue;
211 }
212 if (!VerifySubscriberPermission(subscriber.bundleName, subscriber.userId,
213 publishInfo.GetSubscriberPermissions())) {
214 EVENT_LOGW("subscriber %{public}s does not have required permissions", subscriber.bundleName.c_str());
215 SendStaticEventProcErrHiSysEvent(userId, bundleName, subscriber.bundleName, data.GetWant().GetAction());
216 continue;
217 }
218 if (!publishInfo.GetBundleName().empty() && subscriber.bundleName != publishInfo.GetBundleName()) {
219 EVENT_LOGW("subscriber bundleName is not match, subscriber.bundleName = %{public}s, "
220 "bundleName = %{public}s", subscriber.bundleName.c_str(), publishInfo.GetBundleName().c_str());
221 continue;
222 }
223 if (!IsFilterParameters(subscriber, data)) {
224 EVENT_LOGW("subscriber filter parameters is not match, subscriber.bundleName = %{public}s",
225 subscriber.bundleName.c_str());
226 continue;
227 }
228 #ifdef WATCH_EVENT_BOOT_COMPLETED_DELAY
229 if (data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_BOOT_COMPLETED) {
230 bootStartHaps.push_back(subscriber);
231 } else {
232 PublishCommonEventConnecAbility(data, service, subscriber.userId, subscriber.bundleName, subscriber.name);
233 EVENT_LOGI("ConnectAbility %{public}s end, StaticSubscriber = %{public}s",
234 data.GetWant().GetAction().c_str(), subscriber.bundleName.c_str());
235 }
236 #else
237 PublishCommonEventConnecAbility(data, service, subscriber.userId, subscriber.bundleName, subscriber.name);
238 EVENT_LOGI("ConnectAbility %{public}s end, StaticSubscriber = %{public}s", data.GetWant().GetAction().c_str(),
239 subscriber.bundleName.c_str());
240 #endif
241 }
242 #ifdef WATCH_EVENT_BOOT_COMPLETED_DELAY
243 if (!bootStartHaps.empty()) {
244 if (!ffrt_) {
245 EVENT_LOGD("ready to create ffrt");
246 ffrt_ = std::make_shared<ffrt::queue>("StaticSubscriberManager");
247 }
248
249 std::function<void()> task = [bootStartHaps, data, service]() {
250 for (auto subscriber : bootStartHaps) {
251 StaticSubscriberManager::GetInstance()->PublishCommonEventConnecAbility(data, service,
252 subscriber.userId, subscriber.bundleName, subscriber.name);
253 EVENT_LOGI("ConnectAbility %{public}s end,send StaticSubscriber = %{public}s",
254 data.GetWant().GetAction().c_str(), subscriber.bundleName.c_str());
255 }
256 };
257 ffrt_->submit(task, ffrt::task_attr().delay(g_bootDelayTime * TIME_UNIT_SIZE));
258 }
259 #endif
260 }
261
PublishCommonEvent(const CommonEventData & data,const CommonEventPublishInfo & publishInfo,const Security::AccessToken::AccessTokenID & callerToken,const int32_t & userId,const sptr<IRemoteObject> & service,const std::string & bundleName)262 void StaticSubscriberManager::PublishCommonEvent(const CommonEventData &data,
263 const CommonEventPublishInfo &publishInfo, const Security::AccessToken::AccessTokenID &callerToken,
264 const int32_t &userId, const sptr<IRemoteObject> &service, const std::string &bundleName)
265 {
266 HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
267 EVENT_LOGD("enter, event = %{public}s, userId = %{public}d", data.GetWant().GetAction().c_str(), userId);
268
269 std::lock_guard<std::mutex> lock(subscriberMutex_);
270 if ((!hasInitValidSubscribers_ ||
271 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_BOOT_COMPLETED ||
272 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_LOCKED_BOOT_COMPLETED ||
273 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_USER_SWITCHED ||
274 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_UID_REMOVED ||
275 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_USER_STARTED ||
276 data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_USER_FOREGROUND) &&
277 !InitValidSubscribers()) {
278 EVENT_LOGE("Failed to init subscribers map");
279 return;
280 }
281
282 UpdateSubscriber(data);
283
284 PublishCommonEventInner(data, publishInfo, callerToken, userId, service, bundleName);
285 }
286
VerifyPublisherPermission(const Security::AccessToken::AccessTokenID & callerToken,const std::string & permission)287 bool StaticSubscriberManager::VerifyPublisherPermission(const Security::AccessToken::AccessTokenID &callerToken,
288 const std::string &permission)
289 {
290 EVENT_LOGD("enter");
291 if (permission.empty()) {
292 EVENT_LOGD("no need permission");
293 return true;
294 }
295 return AccessTokenHelper::VerifyAccessToken(callerToken, permission);
296 }
297
VerifySubscriberPermission(const std::string & bundleName,const int32_t & userId,const std::vector<std::string> & permissions)298 bool StaticSubscriberManager::VerifySubscriberPermission(const std::string &bundleName, const int32_t &userId,
299 const std::vector<std::string> &permissions)
300 {
301 // get hap tokenid with default instindex(0), this should be modified later.
302 Security::AccessToken::AccessTokenID tokenId = AccessTokenHelper::GetHapTokenID(userId, bundleName, 0);
303 for (auto permission : permissions) {
304 if (permission.empty()) {
305 continue;
306 }
307 if (!AccessTokenHelper::VerifyAccessToken(tokenId, permission)) {
308 EVENT_LOGW("subscriber does not have required permission : %{public}s", permission.c_str());
309 return false;
310 }
311 }
312 return true;
313 }
314
ParseEvents(const std::string & extensionName,const std::string & extensionBundleName,const int32_t & extensionUserId,const std::string & profile,bool enable)315 void StaticSubscriberManager::ParseEvents(const std::string &extensionName, const std::string &extensionBundleName,
316 const int32_t &extensionUserId, const std::string &profile, bool enable)
317 {
318 EVENT_LOGD("enter, subscriber name = %{public}s, bundle name = %{public}s, userId = %{public}d",
319 extensionName.c_str(), extensionBundleName.c_str(), extensionUserId);
320
321 if (profile.empty()) {
322 EVENT_LOGE("invalid profile");
323 return;
324 }
325 if (!nlohmann::json::accept(profile.c_str())) {
326 EVENT_LOGE("invalid format profile");
327 return;
328 }
329
330 nlohmann::json jsonObj = nlohmann::json::parse(profile, nullptr, false);
331 if (jsonObj.is_null() || jsonObj.empty() || !jsonObj.is_object()) {
332 EVENT_LOGE("invalid jsonObj");
333 return;
334 }
335 nlohmann::json commonEventsObj = jsonObj[JSON_KEY_COMMON_EVENTS];
336 if (commonEventsObj.is_null() || !commonEventsObj.is_array() || commonEventsObj.empty()) {
337 EVENT_LOGE("invalid common event obj size");
338 return;
339 }
340 for (auto commonEventObj : commonEventsObj) {
341 if (commonEventObj.is_null() || !commonEventObj.is_object()) {
342 EVENT_LOGW("invalid common event obj");
343 continue;
344 }
345 if (commonEventObj[JSON_KEY_NAME].is_null() || !commonEventObj[JSON_KEY_NAME].is_string()) {
346 EVENT_LOGW("invalid common event ability name obj");
347 continue;
348 }
349 if (commonEventObj[JSON_KEY_NAME].get<std::string>() != extensionName) {
350 EVENT_LOGW("extensionName is not match");
351 continue;
352 }
353 if (commonEventObj[JSON_KEY_PERMISSION].is_null() || !commonEventObj[JSON_KEY_PERMISSION].is_string()) {
354 EVENT_LOGW("invalid permission obj");
355 continue;
356 }
357 if (commonEventObj[JSON_KEY_EVENTS].is_null() || !commonEventObj[JSON_KEY_EVENTS].is_array() ||
358 commonEventObj[JSON_KEY_EVENTS].empty()) {
359 EVENT_LOGW("invalid events obj");
360 continue;
361 }
362
363 for (auto e : commonEventObj[JSON_KEY_EVENTS]) {
364 if (e.is_null() || !e.is_string() ||
365 (staticSubscribers_[extensionBundleName].events.find(e) ==
366 staticSubscribers_[extensionBundleName].events.end())) {
367 EVENT_LOGW("invalid event obj");
368 continue;
369 }
370 StaticSubscriberInfo subscriber = { .name = extensionName,
371 .bundleName = extensionBundleName,
372 .userId = extensionUserId,
373 .permission = commonEventObj[JSON_KEY_PERMISSION].get<std::string>()};
374 ParseFilterObject(commonEventObj[JSON_KEY_FILTER], e.get<std::string>(), subscriber);
375 AddToValidSubscribers(e.get<std::string>(), subscriber);
376 }
377 }
378 }
379
AddSubscriber(const AppExecFwk::ExtensionAbilityInfo & extension)380 void StaticSubscriberManager::AddSubscriber(const AppExecFwk::ExtensionAbilityInfo &extension)
381 {
382 EVENT_LOGD("enter, subscriber bundlename = %{public}s", extension.bundleName.c_str());
383
384 std::vector<std::string> profileInfos;
385 if (!DelayedSingleton<BundleManagerHelper>::GetInstance()->GetResConfigFile(extension, profileInfos)) {
386 EVENT_LOGE("GetProfile failed");
387 return;
388 }
389 for (auto profile : profileInfos) {
390 int32_t userId = -1;
391 if (DelayedSingleton<OsAccountManagerHelper>::GetInstance()->GetOsAccountLocalIdFromUid(
392 extension.applicationInfo.uid, userId) != ERR_OK) {
393 EVENT_LOGE("Get userId failed, uid = %{public}d", extension.applicationInfo.uid);
394 return;
395 }
396 ParseEvents(extension.name, extension.bundleName, userId, profile);
397 }
398 }
399
AddToValidSubscribers(const std::string & eventName,const StaticSubscriberInfo & subscriber)400 void StaticSubscriberManager::AddToValidSubscribers(const std::string &eventName,
401 const StaticSubscriberInfo &subscriber)
402 {
403 if (validSubscribers_.find(eventName) != validSubscribers_.end()) {
404 for (auto sub : validSubscribers_[eventName]) {
405 if ((sub.name == subscriber.name) &&
406 (sub.bundleName == subscriber.bundleName) &&
407 (sub.userId == subscriber.userId)) {
408 EVENT_LOGD("subscriber already exist, event = %{public}s, bundlename = %{public}s, name = %{public}s,"
409 "userId = %{public}d", eventName.c_str(), subscriber.bundleName.c_str(), subscriber.name.c_str(),
410 subscriber.userId);
411 return;
412 }
413 }
414 }
415 validSubscribers_[eventName].emplace_back(subscriber);
416 EVENT_LOGD("subscriber added, event = %{public}s, bundlename = %{public}s, name = %{public}s, userId = %{public}d",
417 eventName.c_str(), subscriber.bundleName.c_str(), subscriber.name.c_str(), subscriber.userId);
418 }
419
AddSubscriberWithBundleName(const std::string & bundleName,const int32_t & userId)420 void StaticSubscriberManager::AddSubscriberWithBundleName(const std::string &bundleName, const int32_t &userId)
421 {
422 EVENT_LOGD("enter, bundleName = %{public}s, userId = %{public}d", bundleName.c_str(), userId);
423
424 std::vector<AppExecFwk::ExtensionAbilityInfo> extensions;
425 if (!DelayedSingleton<BundleManagerHelper>::GetInstance()->QueryExtensionInfos(extensions, userId)) {
426 EVENT_LOGE("QueryExtensionInfos failed");
427 return;
428 }
429
430 for (auto extension : extensions) {
431 if ((extension.bundleName == bundleName) &&
432 staticSubscribers_.find(extension.bundleName) != staticSubscribers_.end()) {
433 AddSubscriber(extension);
434 }
435 }
436 }
437
RemoveSubscriberWithBundleName(const std::string & bundleName,const int32_t & userId)438 void StaticSubscriberManager::RemoveSubscriberWithBundleName(const std::string &bundleName, const int32_t &userId)
439 {
440 EVENT_LOGD("enter, bundleName = %{public}s, userId = %{public}d", bundleName.c_str(), userId);
441 std::lock_guard<std::mutex> lock(disableEventsMutex_);
442 for (auto it = validSubscribers_.begin(); it != validSubscribers_.end();) {
443 auto subIt = it->second.begin();
444 while (subIt != it->second.end()) {
445 if ((subIt->bundleName == bundleName) && (subIt->userId == userId)) {
446 EVENT_LOGD("remove subscriber, event = %{public}s, bundlename = %{public}s, userId = %{public}d",
447 it->first.c_str(), bundleName.c_str(), userId);
448 subIt = it->second.erase(subIt);
449 } else {
450 subIt++;
451 }
452 }
453 if (it->second.empty()) {
454 validSubscribers_.erase(it++);
455 } else {
456 it++;
457 }
458 }
459
460 auto bundleIt = disableEvents_.find(bundleName);
461 if (bundleIt == disableEvents_.end()) {
462 EVENT_LOGD("Bundle name is not existed.");
463 return;
464 }
465 disableEvents_.erase(bundleIt);
466 auto result =
467 DelayedSingleton<StaticSubscriberDataManager>::GetInstance()->DeleteDisableEventElementByBundleName(bundleName);
468 if (result != ERR_OK) {
469 EVENT_LOGE("Remove disable event by bundle name failed.");
470 }
471 }
472
UpdateSubscriber(const CommonEventData & data)473 void StaticSubscriberManager::UpdateSubscriber(const CommonEventData &data)
474 {
475 HITRACE_METER_NAME(HITRACE_TAG_NOTIFICATION, __PRETTY_FUNCTION__);
476 EVENT_LOGD("enter");
477
478 if ((data.GetWant().GetAction() != CommonEventSupport::COMMON_EVENT_PACKAGE_ADDED) &&
479 (data.GetWant().GetAction() != CommonEventSupport::COMMON_EVENT_PACKAGE_CHANGED) &&
480 (data.GetWant().GetAction() != CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED)) {
481 EVENT_LOGD("no need to update map");
482 return;
483 }
484
485 std::string bundleName = data.GetWant().GetElement().GetBundleName();
486 int32_t uid = data.GetWant().GetIntParam(AppExecFwk::Constants::UID, -1);
487 int32_t userId = -1;
488 if (DelayedSingleton<OsAccountManagerHelper>::GetInstance()->GetOsAccountLocalIdFromUid(uid, userId) != ERR_OK) {
489 EVENT_LOGW("GetOsAccountLocalIdFromUid failed, uid = %{public}d", uid);
490 return;
491 }
492 std::vector<int> osAccountIds;
493 if (DelayedSingleton<OsAccountManagerHelper>::GetInstance()->QueryActiveOsAccountIds(osAccountIds) != ERR_OK) {
494 EVENT_LOGW("failed to QueryActiveOsAccountIds!");
495 return;
496 }
497 if (find(osAccountIds.begin(), osAccountIds.end(), userId) == osAccountIds.end()) {
498 EVENT_LOGW("userId is not active, no need to update.");
499 return;
500 }
501 EVENT_LOGD("active uid = %{public}d, userId = %{public}d", uid, userId);
502 if (data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_PACKAGE_ADDED) {
503 EVENT_LOGD("UpdateSubscribersMap bundle %{public}s ready to add", bundleName.c_str());
504 AddSubscriberWithBundleName(bundleName, userId);
505 } else if (data.GetWant().GetAction() == CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED) {
506 EVENT_LOGD("UpdateSubscribersMap bundle %{public}s ready to remove", bundleName.c_str());
507 RemoveSubscriberWithBundleName(bundleName, userId);
508 } else {
509 EVENT_LOGD("UpdateSubscribersMap bundle %{public}s ready to update", bundleName.c_str());
510 RemoveSubscriberWithBundleName(bundleName, userId);
511 AddSubscriberWithBundleName(bundleName, userId);
512 }
513 }
514
SendStaticEventProcErrHiSysEvent(int32_t userId,const std::string & publisherName,const std::string & subscriberName,const std::string & eventName)515 void StaticSubscriberManager::SendStaticEventProcErrHiSysEvent(int32_t userId, const std::string &publisherName,
516 const std::string &subscriberName, const std::string &eventName)
517 {
518 EventInfo eventInfo;
519 eventInfo.userId = userId;
520 eventInfo.publisherName = publisherName;
521 eventInfo.subscriberName = subscriberName;
522 eventInfo.eventName = eventName;
523 EventReport::SendHiSysEvent(STATIC_EVENT_PROC_ERROR, eventInfo);
524 }
525
SendStaticSubscriberStartHiSysEvent(int32_t userId,const std::string & publisherName,const std::string & subscriberName,const std::string & eventName)526 void StaticSubscriberManager::SendStaticSubscriberStartHiSysEvent(int32_t userId, const std::string &publisherName,
527 const std::string &subscriberName, const std::string &eventName)
528 {
529 EventInfo eventInfo;
530 eventInfo.userId = userId;
531 eventInfo.publisherName = publisherName;
532 eventInfo.subscriberName = subscriberName;
533 eventInfo.eventName = eventName;
534 EventReport::SendHiSysEvent(STATIC_SUBSCRIBER_START, eventInfo);
535 }
536
UpdateDisableEvents(const std::string & bundleName,const std::vector<std::string> & events,bool enable)537 int32_t StaticSubscriberManager::UpdateDisableEvents(
538 const std::string &bundleName, const std::vector<std::string> &events, bool enable)
539 {
540 EVENT_LOGD("Called.");
541 std::lock_guard<std::mutex> lock(disableEventsMutex_);
542 auto finder = disableEvents_.find(bundleName);
543 if (finder == disableEvents_.end()) {
544 if (!enable) {
545 disableEvents_.emplace(bundleName, events);
546 }
547 return DelayedSingleton<StaticSubscriberDataManager>::GetInstance()->
548 UpdateStaticSubscriberState(disableEvents_);
549 }
550
551 for (auto &event : events) {
552 auto ¤tEvents = finder->second;
553 auto iter = std::find(currentEvents.begin(), currentEvents.end(), event);
554 if (enable) {
555 if (iter == currentEvents.end()) {
556 continue;
557 }
558 if (iter != currentEvents.end()) {
559 currentEvents.erase(iter);
560 }
561 } else {
562 if (iter == currentEvents.end()) {
563 currentEvents.emplace_back(event);
564 }
565 }
566 }
567
568 if (finder->second.empty()) {
569 disableEvents_.erase(finder);
570 }
571
572 return DelayedSingleton<StaticSubscriberDataManager>::GetInstance()->UpdateStaticSubscriberState(disableEvents_);
573 }
574
SetStaticSubscriberState(bool enable)575 int32_t StaticSubscriberManager::SetStaticSubscriberState(bool enable)
576 {
577 EVENT_LOGD("Called.");
578 auto bundleName =
579 DelayedSingleton<BundleManagerHelper>::GetInstance()->GetBundleName(IPCSkeleton::GetCallingUid());
580 auto staticSubscriberEvent = staticSubscribers_.find(bundleName);
581 if (staticSubscriberEvent == staticSubscribers_.end()) {
582 EVENT_LOGE("Cannot find static subscriber bundle name.");
583 return ERR_INVALID_OPERATION;
584 }
585 std::vector<std::string> events;
586 for (const auto &event : staticSubscriberEvent->second.events) {
587 events.emplace_back(event);
588 }
589 return UpdateDisableEvents(bundleName, events, enable);
590 }
591
SetStaticSubscriberState(const std::vector<std::string> & events,bool enable)592 int32_t StaticSubscriberManager::SetStaticSubscriberState(const std::vector<std::string> &events, bool enable)
593 {
594 EVENT_LOGD("Called.");
595 auto bundleName =
596 DelayedSingleton<BundleManagerHelper>::GetInstance()->GetBundleName(IPCSkeleton::GetCallingUid());
597 return UpdateDisableEvents(bundleName, events, enable);
598 }
599
ParseFilterObject(const nlohmann::json & filterObj,const std::string & eventName,StaticSubscriberInfo & subscriber)600 void StaticSubscriberManager::ParseFilterObject(
601 const nlohmann::json &filterObj, const std::string &eventName, StaticSubscriberInfo &subscriber)
602 {
603 if (filterObj.is_null() || !filterObj.is_array() || filterObj.empty()) {
604 EVENT_LOGD("invalid filterObj size");
605 return;
606 }
607 for (auto filter : filterObj) {
608 if (filter.is_null() || !filter.is_object()) {
609 EVENT_LOGD("invalid filter");
610 continue;
611 }
612 if (filter[JSON_KEY_FILTER_EVENT].is_null() || !filter[JSON_KEY_FILTER_EVENT].is_string()) {
613 EVENT_LOGD("invalid common event ability name obj");
614 continue;
615 }
616 if (filter[JSON_KEY_FILTER_EVENT].get<std::string>() != eventName) {
617 EVENT_LOGD("eventName is not match");
618 continue;
619 }
620 const auto &conditions = filter.find(JSON_KEY_FILTER_CONDITIONS);
621 if (conditions == filter.end() || conditions->is_null() || !conditions->is_object()) {
622 EVENT_LOGD("conditions null");
623 continue;
624 }
625 ParseConditions(*conditions, eventName, subscriber);
626 return;
627 }
628 }
629
ParseConditions(const nlohmann::json & conditions,const std::string & eventName,StaticSubscriberInfo & subscriber)630 void StaticSubscriberManager::ParseConditions(
631 const nlohmann::json &conditions, const std::string &eventName, StaticSubscriberInfo &subscriber)
632 {
633 const auto &code = conditions.find(JSON_KEY_FILTER_CONDITIONS_CODE);
634 if (code != conditions.end()) {
635 if (code->is_number_integer()) {
636 subscriber.filterCode = code->get<int32_t>();
637 } else {
638 EVENT_LOGW("event: %{public}s, the filter code only supports int32", eventName.c_str());
639 }
640 }
641
642 const auto &data = conditions.find(JSON_KEY_FILTER_CONDITIONS_DATA);
643 if (data != conditions.end()) {
644 if (data->is_string()) {
645 subscriber.filterData = data->get<std::string>();
646 } else {
647 EVENT_LOGW("event: %{public}s, the filter data only supports string", eventName.c_str());
648 }
649 }
650
651 const auto ¶meters = conditions.find(JSON_KEY_FILTER_CONDITIONS_PARAMETERS);
652 if (parameters != conditions.end() && parameters->is_object()) {
653 for (const auto &[paramName, paramValue] : parameters->items()) {
654 AddFilterParameter(paramName, paramValue, subscriber.filterParameters);
655 }
656 }
657 }
658
AddFilterParameter(const std::string & paramName,const nlohmann::json & paramValue,std::map<std::string,ParameterType> & filterParameters)659 void StaticSubscriberManager::AddFilterParameter(const std::string ¶mName, const nlohmann::json ¶mValue,
660 std::map<std::string, ParameterType> &filterParameters)
661 {
662 if (paramValue.is_null()) {
663 EVENT_LOGW("invalid parameter: %{public}s, parameter value is null", paramName.c_str());
664 return;
665 }
666 ParameterType parameter;
667 if (paramValue.is_boolean()) {
668 parameter = paramValue.get<bool>();
669 } else if (paramValue.is_number_integer()) {
670 parameter = paramValue.get<int32_t>();
671 } else if (paramValue.is_number_float()) {
672 parameter = paramValue.get<double>();
673 } else if (paramValue.is_string()) {
674 parameter = paramValue.get<std::string>();
675 } else {
676 EVENT_LOGW("invalid parameter: %{public}s. supported types are bool, number, and string", paramName.c_str());
677 return;
678 }
679 filterParameters.insert({ paramName, parameter });
680 }
681
IsFilterParameters(const StaticSubscriberInfo & staticSubscriberInfo,const CommonEventData & data) const682 bool StaticSubscriberManager::IsFilterParameters(
683 const StaticSubscriberInfo &staticSubscriberInfo, const CommonEventData &data) const
684 {
685 Want want = data.GetWant();
686 if (!CheckFilterCodeAndData(staticSubscriberInfo, data)) {
687 return false;
688 }
689 if (!CheckFilterParameters(staticSubscriberInfo.filterParameters, want)) {
690 return false;
691 }
692 return true;
693 }
694
CheckFilterCodeAndData(const StaticSubscriberInfo & staticSubscriberInfo,const CommonEventData & data) const695 bool StaticSubscriberManager::CheckFilterCodeAndData(
696 const StaticSubscriberInfo &staticSubscriberInfo, const CommonEventData &data) const
697 {
698 if (staticSubscriberInfo.filterCode.has_value()) {
699 auto filterCode = staticSubscriberInfo.filterCode.value();
700 if (filterCode != data.GetCode()) {
701 EVENT_LOGW("filter code:%{public}d not equal event code:%{public}d", filterCode, data.GetCode());
702 return false;
703 }
704 }
705 if (staticSubscriberInfo.filterData.has_value()) {
706 auto filterData = staticSubscriberInfo.filterData.value();
707 if (filterData != data.GetData()) {
708 EVENT_LOGW(
709 "filter data:%{public}s not equal event data:%{public}s", filterData.c_str(), data.GetData().c_str());
710 return false;
711 }
712 }
713 return true;
714 }
715
CheckFilterParameters(const std::map<std::string,ParameterType> & filterParameters,const Want & want) const716 bool StaticSubscriberManager::CheckFilterParameters(
717 const std::map<std::string, ParameterType> &filterParameters, const Want &want) const
718 {
719 for (const auto &[paramName, paramValue] : filterParameters) {
720 if (!want.HasParameter(paramName)) {
721 EVENT_LOGW("filter parameter: %{public}s is missing", paramName.c_str());
722 return false;
723 }
724 if (std::holds_alternative<bool>(paramValue)) {
725 if (!CheckSpecificParam(
726 paramName, std::get<bool>(paramValue), want, AAFwk::IBoolean::Query, AAFwk::Boolean::Unbox)) {
727 return false;
728 }
729 } else if (std::holds_alternative<int32_t>(paramValue)) {
730 if (!CheckSpecificParam(
731 paramName, std::get<int32_t>(paramValue), want, AAFwk::IInteger::Query, AAFwk::Integer::Unbox)) {
732 return false;
733 }
734 } else if (std::holds_alternative<double>(paramValue)) {
735 if (!CheckSpecificParam(
736 paramName, std::get<double>(paramValue), want, AAFwk::IDouble::Query, AAFwk::Double::Unbox)) {
737 return false;
738 }
739 } else if (std::holds_alternative<std::string>(paramValue)) {
740 if (!CheckSpecificParam(
741 paramName, std::get<std::string>(paramValue), want, AAFwk::IString::Query, AAFwk::String::Unbox)) {
742 return false;
743 }
744 } else {
745 EVENT_LOGW(
746 "invalid parameter: %{public}s. supported types are bool, number, and string", paramName.c_str());
747 return false;
748 }
749 }
750 return true;
751 }
752
753 template<typename T, typename QueryFunc, typename UnboxFunc>
CheckSpecificParam(const std::string & paramName,const T & paramValue,const Want & want,QueryFunc queryFunc,UnboxFunc unboxFunc) const754 bool StaticSubscriberManager::CheckSpecificParam(
755 const std::string ¶mName, const T ¶mValue, const Want &want, QueryFunc queryFunc, UnboxFunc unboxFunc) const
756 {
757 auto* ao = queryFunc(want.GetParams().GetParam(paramName));
758 if (ao == nullptr) {
759 EVENT_LOGW("%{public}s ao null", paramName.c_str());
760 return false;
761 }
762 auto wantValue = unboxFunc(ao);
763 if (wantValue != paramValue) {
764 EVENT_LOGW("key:%{public}s not equal want", paramName.c_str());
765 return false;
766 }
767 return true;
768 }
769 } // namespace EventFwk
770 } // namespace OHOS
771