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 #include "datashare_uri_utils.h"
25 #include "datashare_errno.h"
26
27 namespace OHOS::DataShare {
28 std::mutex AmsMgrProxy::pmutex_;
29
OnProxyDied()30 void AmsMgrProxy::OnProxyDied()
31 {
32 std::lock_guard<std::mutex> lock(mutex_);
33 if (sa_ != nullptr) {
34 sa_->RemoveDeathRecipient(deathRecipient_);
35 }
36 deathRecipient_ = nullptr;
37 proxy_ = nullptr;
38 }
39
~AmsMgrProxy()40 AmsMgrProxy::~AmsMgrProxy()
41 {
42 std::lock_guard<std::mutex> lock(mutex_);
43 if (sa_ != nullptr) {
44 sa_->RemoveDeathRecipient(deathRecipient_);
45 }
46 }
47
GetInstance()48 AmsMgrProxy* AmsMgrProxy::GetInstance()
49 {
50 std::lock_guard<std::mutex> lock(pmutex_);
51 static AmsMgrProxy* proxy = nullptr;
52 if (proxy != nullptr) {
53 return proxy;
54 }
55 proxy = new AmsMgrProxy();
56 if (proxy == nullptr) {
57 LOG_ERROR("new proxy failed");
58 }
59 return proxy;
60 }
61
Connect(const std::string & uri,const sptr<IRemoteObject> & connect,const sptr<IRemoteObject> & callerToken)62 __attribute__ ((no_sanitize("cfi"))) int AmsMgrProxy::Connect(
63 const std::string &uri, const sptr<IRemoteObject> &connect, const sptr<IRemoteObject> &callerToken)
64 {
65 AAFwk::Want want;
66 auto [success, userId] = DataShareURIUtils::GetUserFromUri(uri);
67 if (!success) {
68 return E_INVALID_USER_ID;
69 }
70 want.SetUri(DataShareURIUtils::FormatUri(uri));
71 std::lock_guard<std::mutex> lock(mutex_);
72 if (ConnectSA()) {
73 LOG_INFO("connect start, uri = %{public}s", DataShareStringUtils::Change(uri).c_str());
74 return proxy_->ConnectAbilityCommon(want, connect, callerToken, AppExecFwk::ExtensionAbilityType::DATASHARE,
75 userId);
76 }
77 return -1;
78 }
79
ConnectSA()80 bool AmsMgrProxy::ConnectSA()
81 {
82 if (proxy_ != nullptr) {
83 return true;
84 }
85 sptr<ISystemAbilityManager> systemAbilityManager =
86 SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
87 if (systemAbilityManager == nullptr) {
88 LOG_ERROR("Failed to get system ability mgr.");
89 return false;
90 }
91
92 sa_ = systemAbilityManager->GetSystemAbility(ABILITY_MGR_SERVICE_ID);
93 if (sa_ == nullptr) {
94 LOG_ERROR("get ability manager service failed.");
95 return false;
96 }
97
98 deathRecipient_ = new (std::nothrow) AmsMgrProxy::ServiceDeathRecipient(this);
99 if (deathRecipient_ == nullptr) {
100 LOG_ERROR("new death recipient failed.");
101 return false;
102 }
103 sa_->AddDeathRecipient(deathRecipient_);
104 proxy_ = new (std::nothrow)Proxy(sa_);
105 if (proxy_ == nullptr) {
106 LOG_ERROR("new proxy failed");
107 return false;
108 }
109 return true;
110 }
111
DisConnect(sptr<IRemoteObject> connect)112 int AmsMgrProxy::DisConnect(sptr<IRemoteObject> connect)
113 {
114 std::lock_guard<std::mutex> lock(mutex_);
115 if (ConnectSA()) {
116 return proxy_->DisconnectAbility(connect);
117 }
118 return -1;
119 }
120 } // namespace OHOS::DataShare