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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_ONE || 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         }
125         napi_create_reference(env, proxy, 1, &(context->ref));
126         return napi_ok;
127     };
128     auto output = [context](napi_env env, napi_value *result) -> napi_status {
129         if (context->ref == nullptr) {
130             *result = NapiPrintUtils::GetUndefined(env);
131             return napi_generic_failure;
132         }
133         napi_status status = napi_get_reference_value(env, context->ref, result);
134         napi_delete_reference(env, context->ref);
135         return status;
136     };
137     context->SetAction(std::move(input), std::move(output));
138     PrintAsyncCall asyncCall(env, info, std::dynamic_pointer_cast<PrintAsyncCall::Context>(context));
139     return asyncCall.Call(env);
140 }
141 
ParsePrintAdapterParameter(napi_env env,size_t argc,napi_value * argv,napi_value self)142 napi_value NapiPrintTask::ParsePrintAdapterParameter(napi_env env, size_t argc, napi_value *argv, napi_value self)
143 {
144     if (argc > NapiPrintUtils::ARGC_THREE) {
145         std::string printJobName = NapiPrintUtils::GetStringFromValueUtf8(env, argv[0]);
146 
147         std::shared_ptr<PrintAttributes> printAttributes =
148             PrintAttributesHelper::BuildFromJs(env, argv[NapiPrintUtils::ARGC_TWO]);
149         if (printAttributes == nullptr) {
150             PRINT_HILOGE("printAdapter parameter error");
151             return nullptr;
152         }
153 
154         napi_ref adapterRef = NapiPrintUtils::CreateReference(env, argv[1]);
155         sptr<IPrintCallback> callback = new (std::nothrow) PrintCallback(env, adapterRef);
156         if (callback == nullptr) {
157             PRINT_HILOGE("callback parameter error");
158             NapiPrintUtils::DeleteReference(env, adapterRef);
159             return nullptr;
160         }
161 
162         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
163         sptr<IRemoteObject> callerToken = nullptr;
164         if (GetAbilityContext(env, argv[NapiPrintUtils::ARGC_THREE], abilityContext) != nullptr) {
165             if (abilityContext != nullptr) {
166                 callerToken = abilityContext->GetToken();
167             }
168         }
169         auto task = new (std::nothrow) PrintTask(printJobName, callback, printAttributes, callerToken);
170 
171         if (task == nullptr) {
172             PRINT_HILOGE("print task fail");    // callback结束时自动释放adapterRef
173             return nullptr;
174         }
175         auto finalize = [](napi_env env, void *data, void *hint) {
176             PRINT_HILOGD("destructed print task");
177             PrintTask *task = reinterpret_cast<PrintTask *>(data);
178             delete task;
179         };
180         if (napi_wrap(env, self, task, finalize, nullptr, nullptr) != napi_ok) {
181             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
182             return nullptr;
183         }
184         PRINT_HILOGD("Succeed to allocate print task");
185         return self;
186     }
187     return nullptr;
188 }
189 
GetAbilityContext(napi_env env,napi_value value,std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> & abilityContext)190 napi_value NapiPrintTask::GetAbilityContext(
191     napi_env env, napi_value value, std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> &abilityContext)
192 {
193     bool stageMode = false;
194     napi_status status = OHOS::AbilityRuntime::IsStageContext(env, value, stageMode);
195     if (status != napi_ok || !stageMode) {
196         PRINT_HILOGE("GetAbilityContext it is not a stage mode");
197         return nullptr;
198     } else {
199         auto context = OHOS::AbilityRuntime::GetStageModeContext(env, value);
200         if (context == nullptr) {
201             PRINT_HILOGE("GetAbilityContext get context failed");
202             return nullptr;
203         }
204         abilityContext = OHOS::AbilityRuntime::Context::ConvertTo<OHOS::AbilityRuntime::AbilityContext>(context);
205         if (abilityContext == nullptr) {
206             PRINT_HILOGE("GetAbilityContext get Stage model ability context failed.");
207         }
208         return WrapVoidToJS(env);
209     }
210 }
211 
WrapVoidToJS(napi_env env)212 napi_value NapiPrintTask::WrapVoidToJS(napi_env env)
213 {
214     napi_value result = nullptr;
215     NAPI_CALL(env, napi_get_null(env, &result));
216     return result;
217 }
218 
GetCtor(napi_env env)219 napi_value NapiPrintTask::GetCtor(napi_env env)
220 {
221     napi_value cons;
222     if (globalCtor != nullptr) {
223         PRINT_CALL(env, napi_get_reference_value(env, globalCtor, &cons));
224         return cons;
225     }
226 
227     napi_property_descriptor clzDes[] = {
228         { FUNCTION_ON, 0, PrintTask::On, 0, 0, 0, napi_default, 0 },
229         { FUNCTION_OFF, 0, PrintTask::Off, 0, 0, 0, napi_default, 0 },
230     };
231     PRINT_CALL(env, napi_define_class(env, "NapiPrintTask", NAPI_AUTO_LENGTH, Initialize, nullptr,
232                        sizeof(clzDes) / sizeof(napi_property_descriptor), clzDes, &cons));
233     PRINT_CALL(env, napi_create_reference(env, cons, 1, &globalCtor));
234     return cons;
235 }
236 
Initialize(napi_env env,napi_callback_info info)237 napi_value NapiPrintTask::Initialize(napi_env env, napi_callback_info info)
238 {
239     PRINT_HILOGD("constructor print task!");
240     napi_value self = nullptr;
241     size_t argc = NapiPrintUtils::MAX_ARGC;
242     napi_value argv[NapiPrintUtils::MAX_ARGC] = { nullptr };
243     PRINT_CALL(env, napi_get_cb_info(env, info, &argc, argv, &self, nullptr));
244 
245     if (argc > NapiPrintUtils::ARGC_THREE) {
246         return ParsePrintAdapterParameter(env, argc, argv, self);
247     } else {
248         std::vector<std::string> printfiles;
249         uint32_t arrayReLength = 0;
250         PRINT_CALL(env, napi_get_array_length(env, argv[0], &arrayReLength));
251         for (uint32_t index = 0; index < arrayReLength; index++) {
252             napi_value filesValue;
253             napi_get_element(env, argv[0], index, &filesValue);
254             std::string files = NapiPrintUtils::GetStringFromValueUtf8(env, filesValue);
255             PRINT_HILOGD("file[%{public}d] %{private}s.", index, files.c_str());
256             if (IsValidFile(files)) {
257                 printfiles.emplace_back(files);
258             }
259         }
260 
261         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
262         sptr<IRemoteObject> callerToken;
263         if (argc == NapiPrintUtils::ARGC_TWO && GetAbilityContext(env, argv[1], abilityContext) != nullptr) {
264             if (abilityContext != nullptr) {
265                 callerToken = abilityContext->GetToken();
266             }
267             PRINT_HILOGI("get callerToken:%{public}s", callerToken != nullptr ? "success" : "failed");
268         }
269         auto task = new (std::nothrow) PrintTask(printfiles, callerToken);
270         if (task == nullptr) {
271             PRINT_HILOGE("print task fail");
272             return nullptr;
273         }
274         auto finalize = [](napi_env env, void *data, void *hint) {
275             PRINT_HILOGD("destructed print task");
276             PrintTask *task = reinterpret_cast<PrintTask *>(data);
277             delete task;
278         };
279         if (napi_wrap(env, self, task, finalize, nullptr, nullptr) != napi_ok) {
280             finalize(env, task, nullptr);
281             return nullptr;
282         }
283         PRINT_HILOGD("Succeed to allocate print task");
284         return self;
285     }
286 }
287 
IsValidFile(const std::string & fileName)288 bool NapiPrintTask::IsValidFile(const std::string &fileName)
289 {
290     if (fileName == "") {
291         PRINT_HILOGE("invalid file name");
292         return false;
293     }
294     auto file = fopen(fileName.c_str(), "rb");
295     if (file != nullptr) {
296         int fcloseResult = fclose(file);
297         if (fcloseResult != 0) {
298             PRINT_HILOGE("Close File Failure.");
299             return false;
300         }
301         return true;
302     }
303     PRINT_HILOGD("fileName: %{public}s", fileName.c_str());
304     if (fileName.find("file://") == 0 || fileName.find("fd://") == 0 || fileName.find("content://") == 0) {
305         return true;
306     }
307     PRINT_HILOGE("invalid file name");
308     return false;
309 }
310 
VerifyParameters(napi_env env,size_t argc,napi_value * argv,const std::shared_ptr<PrintTaskContext> context)311 napi_status NapiPrintTask::VerifyParameters(napi_env env, size_t argc, napi_value *argv,
312     const std::shared_ptr<PrintTaskContext> context)
313 {
314     if (argc > NapiPrintUtils::ARGC_THREE) {
315         std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
316         if (GetAbilityContext(env, argv[NapiPrintUtils::ARGC_THREE], abilityContext) == nullptr) {
317             PRINT_HILOGE("Print adapter Ability Context is null.");
318             context->SetErrorIndex(E_PRINT_INVALID_PARAMETER);
319         }
320         return napi_ok;
321     }
322 
323     bool isFileArray = false;
324 
325     napi_is_array(env, argv[0], &isFileArray);
326     PRINT_ASSERT_BASE(env, isFileArray == true, "parameter type isn't list", napi_invalid_arg);
327 
328     uint32_t len = 0;
329     PRINT_CALL_BASE(env, napi_get_array_length(env, argv[0], &len), napi_invalid_arg);
330 
331     if (!isFileArray || len == 0) {
332         context->SetErrorIndex(E_PRINT_INVALID_PARAMETER);
333         return napi_invalid_arg;
334     }
335 
336     std::shared_ptr<OHOS::AbilityRuntime::AbilityContext> abilityContext;
337     if (argc == NapiPrintUtils::ARGC_TWO) {
338         if (GetAbilityContext(env, argv[1], abilityContext) == nullptr) {
339             PRINT_HILOGE("Print, Ability Context is null.");
340         }
341     }
342     return napi_ok;
343 }
344 } // namespace OHOS::Print
345