1 /*
2  * Copyright (c) 2022 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 "bundle_mgr_proxy_native.h"
17 
18 #include "app_log_wrapper.h"
19 #include "app_log_tag_wrapper.h"
20 #include "if_system_ability_manager.h"
21 #include "ipc_skeleton.h"
22 #include "iservice_registry.h"
23 #include "string_ex.h"
24 #include "system_ability_definition.h"
25 
26 namespace OHOS {
27 namespace AppExecFwk {
28 namespace {
29     const std::u16string BMS_PROXY_INTERFACE_TOKEN = u"ohos.appexecfwk.BundleMgr";
30 }
31 
GetBmsProxy()32 sptr<IRemoteObject> BundleMgrProxyNative::GetBmsProxy()
33 {
34     auto samgrProxy = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
35     if (samgrProxy == nullptr) {
36         APP_LOGE("fail to get samgr");
37         return nullptr;
38     }
39     return samgrProxy->GetSystemAbility(BUNDLE_MGR_SERVICE_SYS_ABILITY_ID);
40 }
41 
GetBundleInfoForSelf(int32_t flags,BundleInfo & bundleInfo)42 bool BundleMgrProxyNative::GetBundleInfoForSelf(int32_t flags, BundleInfo &bundleInfo)
43 {
44     LOG_I(BMS_TAG_QUERY, "begin to get bundle info for self");
45     MessageParcel data;
46     if (!data.WriteInterfaceToken(BMS_PROXY_INTERFACE_TOKEN)) {
47         LOG_E(BMS_TAG_QUERY, "fail to GetBundleInfoForSelf due to write InterfaceToken fail");
48         return false;
49     }
50     if (!data.WriteInt32(flags)) {
51         LOG_E(BMS_TAG_QUERY, "fail to GetBundleInfoForSelf due to write flag fail");
52         return false;
53     }
54     if (!GetParcelableInfo<BundleInfo>(GET_BUNDLE_INFO_FOR_SELF_NATIVE, data, bundleInfo)) {
55         LOG_E(BMS_TAG_QUERY, "fail to GetBundleInfoForSelf from server");
56         return false;
57     }
58     return true;
59 }
60 
GetCompatibleDeviceTypeNative(std::string & deviceType)61 bool BundleMgrProxyNative::GetCompatibleDeviceTypeNative(std::string &deviceType)
62 {
63     LOG_I(BMS_TAG_QUERY, "begin to get compatible device type");
64     MessageParcel data;
65     if (!data.WriteInterfaceToken(BMS_PROXY_INTERFACE_TOKEN)) {
66         LOG_E(BMS_TAG_QUERY, "Write interfaceToken failed");
67         return false;
68     }
69 
70     MessageParcel reply;
71     if (!SendTransactCmd(GET_COMPATIBLED_DEVICE_TYPE_NATIVE, data, reply)) {
72         return false;
73     }
74     int32_t res = reply.ReadInt32();
75     if (res != NO_ERROR) {
76         APP_LOGE("reply result failed");
77         return false;
78     }
79     deviceType = reply.ReadString();
80     APP_LOGD("get compatible device type success");
81     return true;
82 }
83 
SendTransactCmd(uint32_t code,MessageParcel & data,MessageParcel & reply)84 bool BundleMgrProxyNative::SendTransactCmd(uint32_t code, MessageParcel &data, MessageParcel &reply)
85 {
86     MessageOption option(MessageOption::TF_SYNC);
87 
88     sptr<IRemoteObject> remote = GetBmsProxy();
89     if (remote == nullptr) {
90         APP_LOGE("fail to send transact cmd %{public}d due to remote object", code);
91         return false;
92     }
93     int32_t result = remote->SendRequest(static_cast<uint32_t>(code), data, reply, option);
94     if (result != NO_ERROR) {
95         APP_LOGE("receive error transact code %{public}d in transact cmd %{public}d", result, code);
96         return false;
97     }
98     return true;
99 }
100 
101 template<typename T>
GetParcelableInfo(uint32_t code,MessageParcel & data,T & parcelableInfo)102 bool BundleMgrProxyNative::GetParcelableInfo(uint32_t code, MessageParcel &data, T &parcelableInfo)
103 {
104     MessageParcel reply;
105     if (!SendTransactCmd(code, data, reply)) {
106         return false;
107     }
108 
109     int32_t res = reply.ReadInt32();
110     if (res != NO_ERROR) {
111         APP_LOGE("reply result failed");
112         return false;
113     }
114     std::unique_ptr<T> info(reply.ReadParcelable<T>());
115     if (info == nullptr) {
116         APP_LOGE("readParcelableInfo failed");
117         return false;
118     }
119     parcelableInfo = *info;
120     APP_LOGD("get parcelable info success");
121     return true;
122 }
123 }  // namespace AppExecFwk
124 }  // namespace OHOS