1 /*
2 * Copyright (c) 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 "ams_mgr_proxy.h"
16
17 #include "datashare_log.h"
18 #include "datashare_string_utils.h"
19 #include "extension_ability_info.h"
20 #include "if_system_ability_manager.h"
21 #include "iservice_registry.h"
22 #include "system_ability_definition.h"
23 #include "want.h"
24
25 namespace OHOS::DataShare {
26 std::mutex AmsMgrProxy::pmutex_;
27
OnProxyDied()28 void AmsMgrProxy::OnProxyDied()
29 {
30 std::lock_guard<std::mutex> lock(mutex_);
31 if (sa_ != nullptr) {
32 sa_->RemoveDeathRecipient(deathRecipient_);
33 }
34 deathRecipient_ = nullptr;
35 proxy_ = nullptr;
36 }
37
~AmsMgrProxy()38 AmsMgrProxy::~AmsMgrProxy()
39 {
40 std::lock_guard<std::mutex> lock(mutex_);
41 if (sa_ != nullptr) {
42 sa_->RemoveDeathRecipient(deathRecipient_);
43 }
44 }
45
GetInstance()46 AmsMgrProxy* AmsMgrProxy::GetInstance()
47 {
48 std::lock_guard<std::mutex> lock(pmutex_);
49 static AmsMgrProxy* proxy = nullptr;
50 if (proxy != nullptr) {
51 return proxy;
52 }
53 proxy = new AmsMgrProxy();
54 if (proxy == nullptr) {
55 LOG_ERROR("new proxy failed");
56 }
57 return proxy;
58 }
59
Connect(const std::string & uri,const sptr<IRemoteObject> & connect,const sptr<IRemoteObject> & callerToken)60 __attribute__ ((no_sanitize("cfi"))) int AmsMgrProxy::Connect(
61 const std::string &uri, const sptr<IRemoteObject> &connect, const sptr<IRemoteObject> &callerToken)
62 {
63 AAFwk::Want want;
64 want.SetUri(uri);
65 std::lock_guard<std::mutex> lock(mutex_);
66 if (ConnectSA()) {
67 LOG_INFO("connect start, uri = %{public}s", DataShareStringUtils::Change(uri).c_str());
68 return proxy_->ConnectAbilityCommon(want, connect, callerToken, AppExecFwk::ExtensionAbilityType::DATASHARE);
69 }
70 return -1;
71 }
72
ConnectSA()73 bool AmsMgrProxy::ConnectSA()
74 {
75 if (proxy_ != nullptr) {
76 return true;
77 }
78 sptr<ISystemAbilityManager> systemAbilityManager =
79 SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
80 if (systemAbilityManager == nullptr) {
81 LOG_ERROR("Failed to get system ability mgr.");
82 return false;
83 }
84
85 sa_ = systemAbilityManager->GetSystemAbility(ABILITY_MGR_SERVICE_ID);
86 if (sa_ == nullptr) {
87 LOG_ERROR("get ability manager service failed.");
88 return false;
89 }
90
91 deathRecipient_ = new (std::nothrow) AmsMgrProxy::ServiceDeathRecipient(this);
92 if (deathRecipient_ == nullptr) {
93 LOG_ERROR("new death recipient failed.");
94 return false;
95 }
96 sa_->AddDeathRecipient(deathRecipient_);
97 proxy_ = new (std::nothrow)Proxy(sa_);
98 if (proxy_ == nullptr) {
99 LOG_ERROR("new proxy failed");
100 return false;
101 }
102 return true;
103 }
104
DisConnect(sptr<IRemoteObject> connect)105 int AmsMgrProxy::DisConnect(sptr<IRemoteObject> connect)
106 {
107 std::lock_guard<std::mutex> lock(mutex_);
108 if (ConnectSA()) {
109 return proxy_->DisconnectAbility(connect);
110 }
111 return -1;
112 }
113 } // namespace OHOS::DataShare