1 /*
2 * Copyright (c) 2021-2025 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 "udp_send_context.h"
17
18 #include "context_key.h"
19 #include "connect_context.h"
20 #include "socket_constant.h"
21 #include "net_address.h"
22 #include "event_manager.h"
23 #include "netstack_log.h"
24 #include "napi_utils.h"
25 #include "socket_exec_common.h"
26
27 namespace OHOS::NetStack::Socket {
UdpSendContext(napi_env env,const std::shared_ptr<EventManager> & manager)28 UdpSendContext::UdpSendContext(napi_env env, const std::shared_ptr<EventManager> &manager)
29 : BaseContext(env, manager) {}
30
ParseParams(napi_value * params,size_t paramsCount)31 void UdpSendContext::ParseParams(napi_value *params, size_t paramsCount)
32 {
33 bool valid = CheckParamsType(params, paramsCount);
34 if (!valid) {
35 HandleCallback(params, paramsCount);
36 return;
37 }
38
39 napi_value netAddress = NapiUtils::GetNamedProperty(GetEnv(), params[0], KEY_ADDRESS);
40
41 std::string addr = NapiUtils::GetStringPropertyUtf8(GetEnv(), netAddress, KEY_ADDRESS);
42 if (NapiUtils::HasNamedProperty(GetEnv(), netAddress, KEY_FAMILY)) {
43 uint32_t family = NapiUtils::GetUint32Property(GetEnv(), netAddress, KEY_FAMILY);
44 options.address.SetFamilyByJsValue(family);
45 }
46 if (!IpMatchFamily(addr, options.address.GetSaFamily())) {
47 return;
48 }
49 options.address.SetRawAddress(addr);
50 if (options.address.GetAddress().empty()) {
51 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK && SetCallback(params[1]) != napi_ok) {
52 NETSTACK_LOGE("failed to set callback");
53 }
54 return;
55 }
56
57 if (NapiUtils::HasNamedProperty(GetEnv(), netAddress, KEY_PORT)) {
58 uint16_t port = static_cast<uint16_t>(NapiUtils::GetUint32Property(GetEnv(), netAddress, KEY_PORT));
59 options.address.SetPort(port);
60 }
61 if (!GetData(params[0])) {
62 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK && SetCallback(params[1]) != napi_ok) {
63 NETSTACK_LOGE("failed to set callback");
64 }
65 return;
66 }
67 if (NapiUtils::HasNamedProperty(GetEnv(), params[0], KEY_PROXY)) {
68 NETSTACK_LOGD("handle proxy options");
69 auto opts = std::make_shared<ProxyOptions>();
70 if (opts->ParseOptions(GetEnv(), params[0]) != 0) {
71 NETSTACK_LOGE("parse proxy options failed");
72 return;
73 }
74 if (opts->type_ != ProxyType::NONE) {
75 proxyOptions = opts;
76 }
77 }
78 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
79 SetParseOK(SetCallback(params[1]) == napi_ok);
80 return;
81 }
82 SetParseOK(true);
83 }
84
GetSocketFd() const85 int UdpSendContext::GetSocketFd() const
86 {
87 return sharedManager_->GetData() ? static_cast<int>(reinterpret_cast<uint64_t>(sharedManager_->GetData())) : -1;
88 }
89
CheckParamsType(napi_value * params,size_t paramsCount)90 bool UdpSendContext::CheckParamsType(napi_value *params, size_t paramsCount)
91 {
92 if (paramsCount == PARAM_JUST_OPTIONS) {
93 return NapiUtils::GetValueType(GetEnv(), params[0]) == napi_object &&
94 NapiUtils::GetValueType(GetEnv(), NapiUtils::GetNamedProperty(GetEnv(), params[0], KEY_ADDRESS)) ==
95 napi_object;
96 }
97
98 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
99 return NapiUtils::GetValueType(GetEnv(), params[0]) == napi_object &&
100 NapiUtils::GetValueType(GetEnv(), NapiUtils::GetNamedProperty(GetEnv(), params[0], KEY_ADDRESS)) ==
101 napi_object &&
102 NapiUtils::GetValueType(GetEnv(), params[1]) == napi_function;
103 }
104 return false;
105 }
106
GetData(napi_value udpSendOptions)107 bool UdpSendContext::GetData(napi_value udpSendOptions)
108 {
109 napi_value jsData = NapiUtils::GetNamedProperty(GetEnv(), udpSendOptions, KEY_DATA);
110 if (NapiUtils::GetValueType(GetEnv(), jsData) == napi_string) {
111 std::string data = NapiUtils::GetStringFromValueUtf8(GetEnv(), jsData);
112 if (data.empty()) {
113 NETSTACK_LOGI("string data is empty");
114 return true;
115 }
116 options.SetData(data);
117 return true;
118 }
119
120 if (NapiUtils::ValueIsArrayBuffer(GetEnv(), jsData)) {
121 size_t length = 0;
122 void *data = NapiUtils::GetInfoFromArrayBufferValue(GetEnv(), jsData, &length);
123 if (data == nullptr) {
124 NETSTACK_LOGI("arraybuffer data is empty");
125 return true;
126 }
127 options.SetData(data, length);
128 return true;
129 }
130 return false;
131 }
132
HandleCallback(napi_value * params,size_t paramsCount)133 void UdpSendContext::HandleCallback(napi_value *params, size_t paramsCount)
134 {
135 if (paramsCount == PARAM_JUST_CALLBACK) {
136 if (NapiUtils::GetValueType(GetEnv(), params[0]) == napi_function) {
137 SetCallback(params[0]);
138 }
139 return;
140 }
141 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
142 if (NapiUtils::GetValueType(GetEnv(), params[1]) == napi_function) {
143 SetCallback(params[1]);
144 }
145 return;
146 }
147 }
148
GetErrorCode() const149 int32_t UdpSendContext::GetErrorCode() const
150 {
151 if (BaseContext::IsPermissionDenied()) {
152 return PERMISSION_DENIED_CODE;
153 }
154
155 auto err = BaseContext::GetErrorCode();
156 if (err == PARSE_ERROR_CODE) {
157 return PARSE_ERROR_CODE;
158 }
159 #if defined(IOS_PLATFORM)
160 err = ErrCodePlatformAdapter::GetOHOSErrCode(err);
161 #endif
162 return err + SOCKET_ERROR_CODE_BASE;
163 }
164
GetErrorMessage() const165 std::string UdpSendContext::GetErrorMessage() const
166 {
167 if (BaseContext::IsPermissionDenied()) {
168 return PERMISSION_DENIED_MSG;
169 }
170
171 auto errCode = BaseContext::GetErrorCode();
172 if (errCode == PARSE_ERROR_CODE) {
173 return PARSE_ERROR_MSG;
174 }
175
176 if (errCode >= SOCKS5_ERROR_CODE) {
177 return BaseContext::GetErrorMessage();
178 }
179 #if defined(IOS_PLATFORM)
180 std::string errMessage;
181 ErrCodePlatformAdapter::GetOHOSErrMessage(errCode, errMessage);
182 return errMessage;
183 #else
184 char err[MAX_ERR_NUM] = {0};
185 (void)strerror_r(errCode, err, MAX_ERR_NUM);
186 return err;
187 #endif
188 }
189 } // namespace OHOS::NetStack::Socket
190