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 <mutex>
17 #include "napi_base_context.h"
18 #include "napi_print_utils.h"
19 #include "print_async_call.h"
20 #include "print_log.h"
21 #include "print_manager_client.h"
22 #include "print_task.h"
23 #include "napi_print_task.h"
24 #include "print_attributes_helper.h"
25 #include "print_callback.h"
26 #include "iprint_callback.h"
27 
28 static constexpr const char *FUNCTION_ON = "on";
29 static constexpr const char *FUNCTION_OFF = "off";
30 
31 namespace OHOS::Print {
32 __thread napi_ref NapiPrintTask::globalCtor = nullptr;
33 
Print(napi_env env,napi_callback_info info)34 napi_value NapiPrintTask::Print(napi_env env, napi_callback_info info)
35 {
36     PRINT_HILOGD("Enter print JsMain.");
37     napi_value argv[NapiPrintUtils::MAX_ARGC] = { nullptr };
38     size_t paramCount = NapiPrintUtils::GetJsVal(env, info, argv, NapiPrintUtils::MAX_ARGC);
39     napi_valuetype type;
40     PRINT_CALL(env, napi_typeof(env, argv[0], &type));
41     if ((paramCount > NapiPrintUtils::ARGC_THREE) && type == napi_string) {
42         return PrintByAdapter(env, info);
43     }
44     return CreatePrintTask(env, info);
45 }
46 
CreatePrintTask(napi_env env,napi_callback_info info)47 napi_value NapiPrintTask::CreatePrintTask(napi_env env, napi_callback_info info)
48 {
49     PRINT_HILOGI("CreatePrintTask start ---->");
50     auto context = std::make_shared<PrintTaskContext>();
51     auto input = [context](
52             napi_env env, size_t argc, napi_value *argv, napi_value self, napi_callback_info info) -> napi_status {
53         PRINT_ASSERT_BASE(env, argc == NapiPrintUtils::ARGC_ONE || argc == NapiPrintUtils::ARGC_TWO,
54             "need 1 or 2 parameter!", napi_invalid_arg);
55         napi_status checkStatus = VerifyParameters(env, argc, argv, context);
56         if (argc == NapiPrintUtils::ARGC_TWO && checkStatus != napi_ok) {
57             return checkStatus;
58         }
59 
60         napi_value proxy = nullptr;
61         napi_status status = napi_new_instance(env, GetCtor(env), argc, argv, &proxy);
62         if ((proxy == nullptr) || (status != napi_ok)) {
63             PRINT_HILOGE("Failed to create print task");
64             context->SetErrorIndex(E_PRINT_GENERIC_FAILURE);
65         }
66 
67         PrintTask *task;
68         PRINT_CALL_BASE(env, napi_unwrap(env, proxy, reinterpret_cast<void **>(&task)), napi_invalid_arg);
69         uint32_t ret = E_PRINT_GENERIC_FAILURE;
70         if (task != nullptr) {
71             ret = task->Start(env, info);
72         }
73         if (argc == NapiPrintUtils::ARGC_TWO && ret != E_PRINT_NONE) {
74             PRINT_HILOGE("Failed to start print task");
75             context->SetErrorIndex(ret);
76         }
77         napi_create_reference(env, proxy, 1, &(context->ref));
78         return napi_ok;
79     };
80     auto output = [context](napi_env env, napi_value *result) -> napi_status {
81         if (context->ref == nullptr) {
82             *result = NapiPrintUtils::GetUndefined(env);
83             return napi_generic_failure;
84         }
85         napi_status status = napi_get_reference_value(env, context->ref, result);
86         napi_delete_reference(env, context->ref);
87         return status;
88     };
89     context->SetAction(std::move(input), std::move(output));
90     PrintAsyncCall asyncCall(env, info, std::dynamic_pointer_cast<PrintAsyncCall::Context>(context));
91     return asyncCall.Call(env);
92 }
93 
PrintByAdapter(napi_env env,napi_callback_info info)94 napi_value NapiPrintTask::PrintByAdapter(napi_env env, napi_callback_info info)
95 {
96     PRINT_HILOGI("PrintByAdapter start ---->");
97     auto context = std::make_shared<PrintTaskContext>();
98     auto input =
99         [context](
100             napi_env env, size_t argc, napi_value *argv, napi_value self, napi_callback_info info) -> napi_status {
101         PRINT_ASSERT_BASE(env, argc == NapiPrintUtils::ARGC_FOUR, "need 4 parameter!", napi_invalid_arg);
102         napi_status checkStatus = VerifyParameters(env, argc, argv, context);
103         if (checkStatus != napi_ok) {
104             return checkStatus;
105         }
106 
107         napi_value proxy = nullptr;
108         napi_status status = napi_new_instance(env, GetCtor(env), argc, argv, &proxy);
109         if ((proxy == nullptr) || (status != napi_ok)) {
110             PRINT_HILOGE("Failed to create print task");
111             context->SetErrorIndex(E_PRINT_GENERIC_FAILURE);
112             return napi_generic_failure;
113         }
114 
115         PrintTask *task;
116         PRINT_CALL_BASE(env, napi_unwrap(env, proxy, reinterpret_cast<void **>(&task)), napi_invalid_arg);
117         uint32_t ret = E_PRINT_GENERIC_FAILURE;
118         if (task != nullptr) {
119             ret = task->StartPrintAdapter(env, info);
120         }
121         if (ret != E_PRINT_NONE) {
122             PRINT_HILOGE("Failed to start print task");
123             context->SetErrorIndex(ret);
124             return napi_generic_failure;
125         }
126         napi_create_reference(env, proxy, 1, &(context->ref));
127         return napi_ok;
128     };
129     auto output = [context](napi_env env, napi_value *result) -> napi_status {
130         if (context->ref == nullptr) {
131             *result = NapiPrintUtils::GetUndefined(env);
132             return napi_generic_failure;
133         }
134         napi_status status = napi_get_reference_value(env, context->ref, result);
135         napi_delete_reference(env, context->ref);
136         return status;
137     };
138     context->SetAction(std::move(input), std::move(output));
139     PrintAsyncCall asyncCall(env, info, std::dynamic_pointer_cast<PrintAsyncCall::Context>(context));
140     return asyncCall.Call(env);
141 }
142 
ParsePrintAdapterParameter(napi_env env,size_t argc,napi_value * argv,napi_value self)143 napi_value NapiPrintTask::ParsePrintAdapterParameter(napi_env env, size_t argc, napi_value *argv, napi_value self)
144 {
145     if (argc > NapiPrintUtils::ARGC_THREE) {
146         std::string printJobName = NapiPrintUtils::GetStringFromValueUtf8(env, argv[0]);
147 
148         std::shared_ptr<PrintAttributes> printAttributes =
149             PrintAttributesHelper::BuildFromJs(env, argv[NapiPrintUtils::ARGC_TWO]);
150         if (printAttributes == nullptr) {
151             PRINT_HILOGE("printAdapter parameter error");
152             return nullptr;
153         }
154 
155         napi_ref adapterRef = NapiPrintUtils::CreateReference(env, argv[1]);
156         sptr<IPrintCallback> callback = new (std::nothrow) PrintCallback(env, adapterRef);
157         if (callback == nullptr) {
158             PRINT_HILOGE("callback parameter error");
159             NapiPrintUtils::DeleteReference(env, adapterRef);
160             return nullptr;
161         }
162 
163         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
164         sptr<IRemoteObject> callerToken = nullptr;
165         if (GetAbilityContext(env, argv[NapiPrintUtils::ARGC_THREE], abilityContext) != nullptr) {
166             if (abilityContext != nullptr) {
167                 callerToken = abilityContext->GetToken();
168             }
169         }
170         auto task = new (std::nothrow) PrintTask(printJobName, callback, printAttributes, callerToken);
171 
172         if (task == nullptr) {
173             PRINT_HILOGE("print task fail");    // callback结束时自动释放adapterRef
174             return nullptr;
175         }
176         auto finalize = [](napi_env env, void *data, void *hint) {
177             PRINT_HILOGD("destructed print task");
178             PrintTask *task = reinterpret_cast<PrintTask *>(data);
179             delete task;
180         };
181         if (napi_wrap(env, self, task, finalize, nullptr, nullptr) != napi_ok) {
182             finalize(env, task, nullptr);   // finalize里释放了tack，然后函数走完后释放callback，callback中自动释放adapterRef
183             return nullptr;
184         }
185         PRINT_HILOGD("Succeed to allocate print task");
186         return self;
187     }
188     return nullptr;
189 }
190 
GetAbilityContext(napi_env env,napi_value value,std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> & abilityContext)191 napi_value NapiPrintTask::GetAbilityContext(
192     napi_env env, napi_value value, std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> &abilityContext)
193 {
194     bool stageMode = false;
195     napi_status status = OHOS::AbilityRuntime::IsStageContext(env, value, stageMode);
196     if (status != napi_ok || !stageMode) {
197         PRINT_HILOGE("GetAbilityContext it is not a stage mode");
198         return nullptr;
199     } else {
200         auto context = OHOS::AbilityRuntime::GetStageModeContext(env, value);
201         if (context == nullptr) {
202             PRINT_HILOGE("GetAbilityContext get context failed");
203             return nullptr;
204         }
205         abilityContext = OHOS::AbilityRuntime::Context::ConvertTo<OHOS::AbilityRuntime::AbilityContext>(context);
206         if (abilityContext == nullptr) {
207             PRINT_HILOGE("GetAbilityContext get Stage model ability context failed.");
208         }
209         return WrapVoidToJS(env);
210     }
211 }
212 
WrapVoidToJS(napi_env env)213 napi_value NapiPrintTask::WrapVoidToJS(napi_env env)
214 {
215     napi_value result = nullptr;
216     NAPI_CALL(env, napi_get_null(env, &result));
217     return result;
218 }
219 
GetCtor(napi_env env)220 napi_value NapiPrintTask::GetCtor(napi_env env)
221 {
222     napi_value cons;
223     if (globalCtor != nullptr) {
224         PRINT_CALL(env, napi_get_reference_value(env, globalCtor, &cons));
225         return cons;
226     }
227 
228     napi_property_descriptor clzDes[] = {
229         { FUNCTION_ON, 0, PrintTask::On, 0, 0, 0, napi_default, 0 },
230         { FUNCTION_OFF, 0, PrintTask::Off, 0, 0, 0, napi_default, 0 },
231     };
232     PRINT_CALL(env, napi_define_class(env, "NapiPrintTask", NAPI_AUTO_LENGTH, Initialize, nullptr,
233                        sizeof(clzDes) / sizeof(napi_property_descriptor), clzDes, &cons));
234     PRINT_CALL(env, napi_create_reference(env, cons, 1, &globalCtor));
235     return cons;
236 }
237 
Initialize(napi_env env,napi_callback_info info)238 napi_value NapiPrintTask::Initialize(napi_env env, napi_callback_info info)
239 {
240     PRINT_HILOGD("constructor print task!");
241     napi_value self = nullptr;
242     size_t argc = NapiPrintUtils::MAX_ARGC;
243     napi_value argv[NapiPrintUtils::MAX_ARGC] = { nullptr };
244     PRINT_CALL(env, napi_get_cb_info(env, info, &argc, argv, &self, nullptr));
245 
246     if (argc > NapiPrintUtils::ARGC_THREE) {
247         return ParsePrintAdapterParameter(env, argc, argv, self);
248     } else {
249         std::vector<std::string> printfiles;
250         uint32_t arrayReLength = 0;
251         PRINT_CALL(env, napi_get_array_length(env, argv[0], &arrayReLength));
252         for (uint32_t index = 0; index < arrayReLength; index++) {
253             napi_value filesValue;
254             napi_get_element(env, argv[0], index, &filesValue);
255             std::string files = NapiPrintUtils::GetStringFromValueUtf8(env, filesValue);
256             PRINT_HILOGD("file[%{public}d] %{private}s.", index, files.c_str());
257             if (IsValidFile(files)) {
258                 printfiles.emplace_back(files);
259             }
260         }
261 
262         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
263         sptr<IRemoteObject> callerToken;
264         if (argc == NapiPrintUtils::ARGC_TWO && GetAbilityContext(env, argv[1], abilityContext) != nullptr) {
265             if (abilityContext != nullptr) {
266                 callerToken = abilityContext->GetToken();
267             }
268             PRINT_HILOGI("get callerToken:%{public}s", callerToken != nullptr ? "success" : "failed");
269         }
270         auto task = new (std::nothrow) PrintTask(printfiles, callerToken);
271         if (task == nullptr) {
272             PRINT_HILOGE("print task fail");
273             return nullptr;
274         }
275         auto finalize = [](napi_env env, void *data, void *hint) {
276             PRINT_HILOGD("destructed print task");
277             PrintTask *task = reinterpret_cast<PrintTask *>(data);
278             delete task;
279         };
280         if (napi_wrap(env, self, task, finalize, nullptr, nullptr) != napi_ok) {
281             finalize(env, task, nullptr);
282             return nullptr;
283         }
284         PRINT_HILOGD("Succeed to allocate print task");
285         return self;
286     }
287 }
288 
IsValidFile(const std::string & fileName)289 bool NapiPrintTask::IsValidFile(const std::string &fileName)
290 {
291     if (fileName == "") {
292         PRINT_HILOGE("invalid file name");
293         return false;
294     }
295     auto file = fopen(fileName.c_str(), "rb");
296     if (file != nullptr) {
297         fclose(file);
298         return true;
299     }
300     PRINT_HILOGD("fileName: %{public}s", fileName.c_str());
301     if (fileName.find("file://") == 0 || fileName.find("fd://") == 0 || fileName.find("content://") == 0) {
302         return true;
303     }
304     PRINT_HILOGE("invalid file name");
305     return false;
306 }
307 
VerifyParameters(napi_env env,size_t argc,napi_value * argv,const std::shared_ptr<PrintTaskContext> context)308 napi_status NapiPrintTask::VerifyParameters(napi_env env, size_t argc, napi_value *argv,
309     const std::shared_ptr<PrintTaskContext> context)
310 {
311     if (argc > NapiPrintUtils::ARGC_THREE) {
312         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
313         if (GetAbilityContext(env, argv[NapiPrintUtils::ARGC_THREE], abilityContext) == nullptr) {
314             PRINT_HILOGE("Print adapter Ability Context is null.");
315             context->SetErrorIndex(E_PRINT_INVALID_PARAMETER);
316         }
317         return napi_ok;
318     }
319 
320     bool isFileArray = false;
321 
322     napi_is_array(env, argv[0], &isFileArray);
323     PRINT_ASSERT_BASE(env, isFileArray == true, "parameter type isn't list", napi_invalid_arg);
324 
325     uint32_t len = 0;
326     PRINT_CALL_BASE(env, napi_get_array_length(env, argv[0], &len), napi_invalid_arg);
327 
328     if (!isFileArray || len == 0) {
329         context->SetErrorIndex(E_PRINT_INVALID_PARAMETER);
330         return napi_invalid_arg;
331     }
332 
333     std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
334     if (argc == NapiPrintUtils::ARGC_TWO) {
335         if (GetAbilityContext(env, argv[1], abilityContext) == nullptr) {
336             PRINT_HILOGE("Print, Ability Context is null.");
337         }
338     }
339     return napi_ok;
340 }
341 } // namespace OHOS::Print
342