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 "dataobs_mgr_interface.h"
19 #include "string_ex.h"
20
21 #include "data_ability_observer_proxy.h"
22 #include "dataobs_mgr_errors.h"
23 #include "datashare_log.h"
24 #include "ipc_skeleton.h"
25 #include "common_utils.h"
26 #include "hilog_tag_wrapper.h"
27
28 namespace OHOS {
29 namespace AAFwk {
30 using namespace DataShare;
31 using Uri = OHOS::Uri;
32
33 const DataObsManagerStub::RequestFuncType DataObsManagerStub::HANDLES[TRANS_BUTT] = {
34 &DataObsManagerStub::RegisterObserverInner,
35 &DataObsManagerStub::UnregisterObserverInner,
36 &DataObsManagerStub::NotifyChangeInner,
37 &DataObsManagerStub::RegisterObserverExtInner,
38 &DataObsManagerStub::UnregisterObserverExtInner,
39 &DataObsManagerStub::UnregisterObserverExtALLInner,
40 &DataObsManagerStub::NotifyChangeExtInner,
41 &DataObsManagerStub::NotifyProcessObserverInner,
42 &DataObsManagerStub::RegisterObserverFromExtensionInner,
43 &DataObsManagerStub::NotifyChangeFromExtensionInner,
44 &DataObsManagerStub::VerifyWhiteListInner
45 };
46
DataObsManagerStub()47 DataObsManagerStub::DataObsManagerStub() {}
48
~DataObsManagerStub()49 DataObsManagerStub::~DataObsManagerStub() {}
50
ReadObsOpt(MessageParcel & data)51 DataObsOption ReadObsOpt(MessageParcel &data)
52 {
53 bool isSystem = data.ReadBool();
54 uint32_t token = data.ReadUint32();
55 DataObsOption opt(isSystem);
56 opt.SetFirstCallerTokenID(token);
57 return opt;
58 }
59
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)60 int DataObsManagerStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
61 {
62 TAG_LOGD(AAFwkTag::DBOBSMGR, "code: %{public}d, flags: %{public}d, callingPid:%{public}d", code, option.GetFlags(),
63 IPCSkeleton::GetCallingPid());
64 std::u16string descriptor = DataObsManagerStub::GetDescriptor();
65 std::u16string remoteDescriptor = data.ReadInterfaceToken();
66 if (descriptor != remoteDescriptor) {
67 TAG_LOGE(AAFwkTag::DBOBSMGR,
68 "local descriptor≠remote, descriptor:%{public}s, remoteDescriptor:%{public}s",
69 CommonUtils::Anonymous(Str16ToStr8(descriptor)).c_str(),
70 CommonUtils::Anonymous(Str16ToStr8(remoteDescriptor)).c_str());
71 return ERR_INVALID_STATE;
72 }
73
74 if (code < TRANS_HEAD || code >= TRANS_BUTT || HANDLES[code] == nullptr) {
75 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid code:%{public}u, BUTT:%{public}d", code, TRANS_BUTT);
76 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
77 }
78 return (this->*HANDLES[code])(data, reply);
79 }
80
RegisterObserverInner(MessageParcel & data,MessageParcel & reply)81 int DataObsManagerStub::RegisterObserverInner(MessageParcel &data, MessageParcel &reply)
82 {
83 Uri uri(data.ReadString());
84 if (uri.ToString().empty()) {
85 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
86 return IPC_STUB_INVALID_DATA_ERR;
87 }
88
89 auto remote = data.ReadRemoteObject();
90 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
91 int32_t userId = data.ReadInt32();
92 DataObsOption opt = DataObsOption(data.ReadBool());
93 int32_t result = RegisterObserver(uri, observer, userId, opt);
94 reply.WriteInt32(result);
95 return NO_ERROR;
96 }
97
RegisterObserverFromExtensionInner(MessageParcel & data,MessageParcel & reply)98 int DataObsManagerStub::RegisterObserverFromExtensionInner(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 auto remote = data.ReadRemoteObject();
107 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
108 int32_t userId = data.ReadInt32();
109 DataObsOption opt = ReadObsOpt(data);
110 int32_t result = RegisterObserverFromExtension(uri, observer, userId, opt);
111 reply.WriteInt32(result);
112 return NO_ERROR;
113 }
114
UnregisterObserverInner(MessageParcel & data,MessageParcel & reply)115 int DataObsManagerStub::UnregisterObserverInner(MessageParcel &data, MessageParcel &reply)
116 {
117 Uri uri(data.ReadString());
118 if (uri.ToString().empty()) {
119 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
120 return IPC_STUB_INVALID_DATA_ERR;
121 }
122
123 auto remote = data.ReadRemoteObject();
124 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
125 int32_t userId = data.ReadInt32();
126 DataObsOption opt = DataObsOption(data.ReadBool());
127 int32_t result = UnregisterObserver(uri, observer, userId, opt);
128 reply.WriteInt32(result);
129 return NO_ERROR;
130 }
131
NotifyChangeInner(MessageParcel & data,MessageParcel & reply)132 int DataObsManagerStub::NotifyChangeInner(MessageParcel &data, MessageParcel &reply)
133 {
134 Uri uri(data.ReadString());
135 if (uri.ToString().empty()) {
136 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
137 return IPC_STUB_INVALID_DATA_ERR;
138 }
139 int32_t userId = data.ReadInt32();
140 DataObsOption opt = DataObsOption(data.ReadBool());
141 int32_t result = NotifyChange(uri, userId, opt);
142 reply.WriteInt32(result);
143 return NO_ERROR;
144 }
145
NotifyChangeFromExtensionInner(MessageParcel & data,MessageParcel & reply)146 int DataObsManagerStub::NotifyChangeFromExtensionInner(MessageParcel &data, MessageParcel &reply)
147 {
148 Uri uri(data.ReadString());
149 if (uri.ToString().empty()) {
150 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
151 return IPC_STUB_INVALID_DATA_ERR;
152 }
153 int32_t userId = data.ReadInt32();
154 DataObsOption opt = ReadObsOpt(data);
155 int32_t result = NotifyChangeFromExtension(uri, userId, opt);
156 reply.WriteInt32(result);
157 return NO_ERROR;
158 }
159
VerifyWhiteListInner(MessageParcel & data,MessageParcel & reply)160 int DataObsManagerStub::VerifyWhiteListInner(MessageParcel &data, MessageParcel &reply)
161 {
162 int32_t consumerToken = data.ReadInt32();
163 int32_t providerToken = data.ReadInt32();
164 int32_t result = CheckTrusts(consumerToken, providerToken);
165 reply.WriteInt32(result);
166 return NO_ERROR;
167 }
168
RegisterObserverExtInner(MessageParcel & data,MessageParcel & reply)169 int32_t DataObsManagerStub::RegisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
170 {
171 Uri uri(data.ReadString());
172 if (uri.ToString().empty()) {
173 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
174 return IPC_STUB_INVALID_DATA_ERR;
175 }
176 auto remote = data.ReadRemoteObject();
177 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
178 bool isDescendants = data.ReadBool();
179 DataObsOption opt = DataObsOption(data.ReadBool());
180 reply.WriteInt32(RegisterObserverExt(uri, observer, isDescendants, opt));
181 return SUCCESS;
182 }
183
UnregisterObserverExtInner(MessageParcel & data,MessageParcel & reply)184 int32_t DataObsManagerStub::UnregisterObserverExtInner(MessageParcel &data, MessageParcel &reply)
185 {
186 Uri uri(data.ReadString());
187 if (uri.ToString().empty()) {
188 TAG_LOGE(AAFwkTag::DBOBSMGR, "invalid uri");
189 return IPC_STUB_INVALID_DATA_ERR;
190 }
191 auto remote = data.ReadRemoteObject();
192 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
193 DataObsOption opt = DataObsOption(data.ReadBool());
194 reply.WriteInt32(UnregisterObserverExt(uri, observer, opt));
195 return SUCCESS;
196 }
197
UnregisterObserverExtALLInner(MessageParcel & data,MessageParcel & reply)198 int32_t DataObsManagerStub::UnregisterObserverExtALLInner(MessageParcel &data, MessageParcel &reply)
199 {
200 auto remote = data.ReadRemoteObject();
201 auto observer = remote == nullptr ? nullptr : iface_cast<IDataAbilityObserver>(remote);
202 DataObsOption opt = DataObsOption(data.ReadBool());
203 reply.WriteInt32(UnregisterObserverExt(observer, opt));
204 return SUCCESS;
205 }
206
NotifyChangeExtInner(MessageParcel & data,MessageParcel & reply)207 int32_t DataObsManagerStub::NotifyChangeExtInner(MessageParcel &data, MessageParcel &reply)
208 {
209 ChangeInfo changeInfo;
210 if (!ChangeInfo::Unmarshalling(changeInfo, data)) {
211 LOG_ERROR("Failed to unmarshall changeInfo.");
212 return IPC_STUB_INVALID_DATA_ERR;
213 }
214 DataObsOption opt = DataObsOption(data.ReadBool());
215 reply.WriteInt32(NotifyChangeExt(changeInfo, opt));
216 return SUCCESS;
217 }
218
NotifyProcessObserverInner(MessageParcel & data,MessageParcel & reply)219 int32_t DataObsManagerStub::NotifyProcessObserverInner(MessageParcel &data, MessageParcel &reply)
220 {
221 std::string key = data.ReadString();
222 auto observer = data.ReadRemoteObject();
223 DataObsOption opt = DataObsOption(data.ReadBool());
224 reply.WriteInt32(NotifyProcessObserver(key, observer, opt));
225 return SUCCESS;
226 }
227 } // namespace AAFwk
228 } // namespace OHOS
229