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 "interceptor/extension_control_interceptor.h"
17
18 #include "ability_util.h"
19 #include "app_scheduler.h"
20 #include "extension_config.h"
21 #include "start_ability_utils.h"
22
23 namespace OHOS {
24 namespace AAFwk {
25 namespace {
26 constexpr char STRICT_MODE[] = "strictMode";
27 }
28
DoProcess(AbilityInterceptorParam param)29 ErrCode ExtensionControlInterceptor::DoProcess(AbilityInterceptorParam param)
30 {
31 TAG_LOGD(AAFwkTag::ABILITYMGR, "call.");
32 if (param.callerToken == nullptr) {
33 TAG_LOGD(AAFwkTag::ABILITYMGR, "callerToken is nullptr.");
34 return ERR_OK;
35 }
36 // get caller ability info
37 AppExecFwk::AbilityInfo callerAbilityInfo;
38 if (GetCallerAbilityInfo(param, callerAbilityInfo)) {
39 TAG_LOGD(AAFwkTag::ABILITYMGR, "caller enable.");
40 return ERR_OK;
41 }
42 // get target ability info
43 AppExecFwk::AbilityInfo targetAbilityInfo;
44 if (GetTargetAbilityInfo(param, targetAbilityInfo)) {
45 TAG_LOGD(AAFwkTag::ABILITYMGR, "target enable.");
46 return ERR_OK;
47 }
48
49 // check blocked list
50 if (!targetAbilityInfo.applicationInfo.isSystemApp &&
51 !DelayedSingleton<ExtensionConfig>::GetInstance()->IsExtensionStartThirdPartyAppEnable(
52 callerAbilityInfo.extensionTypeName)) {
53 TAG_LOGE(AAFwkTag::ABILITYMGR, "The extension start has been blocked by third party app flag.");
54 return EXTENSION_BLOCKED_BY_THIRD_PARTY_APP_FLAG;
55 }
56 if (targetAbilityInfo.extensionAbilityType == AppExecFwk::ExtensionAbilityType::SERVICE &&
57 !DelayedSingleton<ExtensionConfig>::GetInstance()->IsExtensionStartServiceEnable(
58 callerAbilityInfo.extensionTypeName, param.want.GetElement().GetURI())) {
59 TAG_LOGE(AAFwkTag::ABILITYMGR, "The extension start has been blocked by service list.");
60 return EXTENSION_BLOCKED_BY_SERVICE_LIST;
61 }
62
63 TAG_LOGI(AAFwkTag::ABILITYMGR, "other ok.");
64 return ERR_OK;
65 }
66
GetCallerAbilityInfo(const AbilityInterceptorParam & param,AppExecFwk::AbilityInfo & callerAbilityInfo)67 bool ExtensionControlInterceptor::GetCallerAbilityInfo(const AbilityInterceptorParam& param,
68 AppExecFwk::AbilityInfo& callerAbilityInfo)
69 {
70 if (StartAbilityUtils::GetCallerAbilityInfo(param.callerToken, callerAbilityInfo)) {
71 if (callerAbilityInfo.type != AppExecFwk::AbilityType::EXTENSION ||
72 callerAbilityInfo.extensionAbilityType == AppExecFwk::ExtensionAbilityType::SERVICE ||
73 callerAbilityInfo.bundleName == param.want.GetElement().GetBundleName()) {
74 TAG_LOGD(AAFwkTag::ABILITYMGR, "not other extension.");
75 return true;
76 }
77 auto appScheduler = DelayedSingleton<AppScheduler>::GetInstance();
78 AppExecFwk::RunningProcessInfo processInfo;
79 if (appScheduler != nullptr) {
80 appScheduler->GetRunningProcessInfoByToken(param.callerToken, processInfo);
81 if (!processInfo.isStrictMode && !param.want.GetBoolParam(STRICT_MODE, false)) {
82 return true;
83 }
84 }
85 }
86 return false;
87 }
88
GetTargetAbilityInfo(const AbilityInterceptorParam & param,AppExecFwk::AbilityInfo & targetAbilityInfo)89 bool ExtensionControlInterceptor::GetTargetAbilityInfo(const AbilityInterceptorParam& param,
90 AppExecFwk::AbilityInfo& targetAbilityInfo)
91 {
92 if (StartAbilityUtils::startAbilityInfo != nullptr &&
93 StartAbilityUtils::startAbilityInfo->abilityInfo.bundleName == param.want.GetBundle() &&
94 StartAbilityUtils::startAbilityInfo->abilityInfo.name == param.want.GetElement().GetAbilityName()) {
95 targetAbilityInfo = StartAbilityUtils::startAbilityInfo->abilityInfo;
96 } else {
97 auto bundleMgrHelper = AbilityUtil::GetBundleManagerHelper();
98 if (bundleMgrHelper == nullptr) {
99 TAG_LOGE(AAFwkTag::ABILITYMGR, "The bundleMgrHelper is nullptr.");
100 return true;
101 }
102 IN_PROCESS_CALL_WITHOUT_RET(bundleMgrHelper->QueryAbilityInfo(param.want,
103 AppExecFwk::AbilityInfoFlag::GET_ABILITY_INFO_WITH_APPLICATION, param.userId, targetAbilityInfo));
104 }
105 return false;
106 }
107 } // namespace AAFwk
108 } // namespace OHOS