1 /*
2 * Copyright (c) 2021-2024 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 "dataobs_mgr_stub.h"
17
18 #include "string_ex.h"
19
20 #include "data_ability_observer_proxy.h"
21 #include "dataobs_mgr_errors.h"
22 #include "datashare_log.h"
23 #include "ipc_skeleton.h"
24 #include "common_utils.h"
25 #include "hilog_tag_wrapper.h"
26
27 namespace OHOS {
28 namespace AAFwk {
29 using namespace DataShare;
30 using Uri = OHOS::Uri;
31
32 const DataObsManagerStub::RequestFuncType DataObsManagerStub::HANDLES[TRANS_BUTT] = {
33 &DataObsManagerStub::RegisterObserverInner,
34 &DataObsManagerStub::UnregisterObserverInner,
35 &DataObsManagerStub::NotifyChangeInner,
36 &DataObsManagerStub::RegisterObserverExtInner,
37 &DataObsManagerStub::UnregisterObserverExtInner,
38 &DataObsManagerStub::UnregisterObserverExtALLInner,
39 &DataObsManagerStub::NotifyChangeExtInner,
40 &DataObsManagerStub::NotifyProcessObserverInner
41 };
42
DataObsManagerStub()43 DataObsManagerStub::DataObsManagerStub() {}
44
~DataObsManagerStub()45 DataObsManagerStub::~DataObsManagerStub() {}
46
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)47 int DataObsManagerStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
48 {
49 TAG_LOGD(AAFwkTag::DBOBSMGR, "code: %{public}d, flags: %{public}d, callingPid:%{public}d", code, option.GetFlags(),
50 IPCSkeleton::GetCallingPid());
51 std::u16string descriptor = DataObsManagerStub::GetDescriptor();
52 std::u16string remoteDescriptor = data.ReadInterfaceToken();
53 if (descriptor != remoteDescriptor) {
54 TAG_LOGE(AAFwkTag::DBOBSMGR,
55 "local descriptor≠remote, descriptor:%{public}s, remoteDescriptor:%{public}s",
56 CommonUtils::Anonymous(Str16ToStr8(descriptor)).c_str(),
57 CommonUtils::Anonymous(Str16ToStr8(remoteDescriptor)).c_str());
58 return ERR_INVALID_STATE;
59 }
60
61 if (code < TRANS_HEAD || code >= TRANS_BUTT || HANDLES[code] == nullptr) {
62 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid code:%{public}u, BUTT:%{public}d", code, TRANS_BUTT);
63 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
64 }
65 return (this->*HANDLES[code])(data, reply);
66 }
67
RegisterObserverInner(MessageParcel & data,MessageParcel & reply)68 int DataObsManagerStub::RegisterObserverInner(MessageParcel &data, MessageParcel &reply)
69 {
70 Uri uri(data.ReadString());
71 if (uri.ToString().empty()) {
72 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
73 return IPC_STUB_INVALID_DATA_ERR;
74 }
75
76 auto remote = data.ReadRemoteObject();
77 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
78 int32_t result = RegisterObserver(uri, observer);
79 reply.WriteInt32(result);
80 return NO_ERROR;
81 }
82
UnregisterObserverInner(MessageParcel & data,MessageParcel & reply)83 int DataObsManagerStub::UnregisterObserverInner(MessageParcel &data, MessageParcel &reply)
84 {
85 Uri uri(data.ReadString());
86 if (uri.ToString().empty()) {
87 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
88 return IPC_STUB_INVALID_DATA_ERR;
89 }
90
91 auto remote = data.ReadRemoteObject();
92 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
93 int32_t result = UnregisterObserver(uri, observer);
94 reply.WriteInt32(result);
95 return NO_ERROR;
96 }
97
NotifyChangeInner(MessageParcel & data,MessageParcel & reply)98 int DataObsManagerStub::NotifyChangeInner(MessageParcel &data, MessageParcel &reply)
99 {
100 Uri uri(data.ReadString());
101 if (uri.ToString().empty()) {
102 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
103 return IPC_STUB_INVALID_DATA_ERR;
104 }
105
106 int32_t result = NotifyChange(uri);
107 reply.WriteInt32(result);
108 return NO_ERROR;
109 }
110
RegisterObserverExtInner(MessageParcel & data,MessageParcel & reply)111 int32_t DataObsManagerStub::RegisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
112 {
113 Uri uri(data.ReadString());
114 if (uri.ToString().empty()) {
115 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
116 return IPC_STUB_INVALID_DATA_ERR;
117 }
118 auto remote = data.ReadRemoteObject();
119 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
120 bool isDescendants = data.ReadBool();
121 reply.WriteInt32(RegisterObserverExt(uri, observer, isDescendants));
122 return SUCCESS;
123 }
124
UnregisterObserverExtInner(MessageParcel & data,MessageParcel & reply)125 int32_t DataObsManagerStub::UnregisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
126 {
127 Uri uri(data.ReadString());
128 if (uri.ToString().empty()) {
129 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
130 return IPC_STUB_INVALID_DATA_ERR;
131 }
132 auto remote = data.ReadRemoteObject();
133 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
134
135 reply.WriteInt32(UnregisterObserverExt(uri, observer));
136 return SUCCESS;
137 }
138
UnregisterObserverExtALLInner(MessageParcel & data,MessageParcel & reply)139 int32_t DataObsManagerStub::UnregisterObserverExtALLInner(MessageParcel &data, MessageParcel &reply)
140 {
141 auto remote = data.ReadRemoteObject();
142 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
143 reply.WriteInt32(UnregisterObserverExt(observer));
144 return SUCCESS;
145 }
146
NotifyChangeExtInner(MessageParcel & data,MessageParcel & reply)147 int32_t DataObsManagerStub::NotifyChangeExtInner(MessageParcel &data, MessageParcel &reply)
148 {
149 ChangeInfo changeInfo;
150 if (!ChangeInfo::Unmarshalling(changeInfo, data)) {
151 LOG_ERROR("Failed to unmarshall changeInfo.");
152 return IPC_STUB_INVALID_DATA_ERR;
153 }
154
155 reply.WriteInt32(NotifyChangeExt(changeInfo));
156 return SUCCESS;
157 }
158
NotifyProcessObserverInner(MessageParcel & data,MessageParcel & reply)159 int32_t DataObsManagerStub::NotifyProcessObserverInner(MessageParcel &data, MessageParcel &reply)
160 {
161 std::string key = data.ReadString();
162 auto observer = data.ReadRemoteObject();
163 reply.WriteInt32(NotifyProcessObserver(key, observer));
164 return SUCCESS;
165 }
166 } // namespace AAFwk
167 } // namespace OHOS
168