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 "cm_napi_uninstall_app_cert.h"
17 #include "cm_napi_uninstall_app_cert_common.h"
18 
19 #include "securec.h"
20 
21 #include "cert_manager_api.h"
22 #include "cm_log.h"
23 #include "cm_mem.h"
24 #include "cm_type.h"
25 #include "cm_napi_common.h"
26 
27 namespace CMNapi {
28 namespace {
29 constexpr int CM_NAPI_UNINSTALL_APP_CERT_MIN_ARGS = 1;
30 constexpr int CM_NAPI_UNINSTALL_APP_CERT_MAX_ARGS = 2;
31 }  // namespace
32 
CreateUninstallAppCertAsyncContext()33 UninstallAppCertAsyncContext CreateUninstallAppCertAsyncContext()
34 {
35     UninstallAppCertAsyncContext context =
36         static_cast<UninstallAppCertAsyncContext>(CmMalloc(sizeof(UninstallAppCertAsyncContextT)));
37     if (context != nullptr) {
38         (void)memset_s(
39             context, sizeof(UninstallAppCertAsyncContextT), 0, sizeof(UninstallAppCertAsyncContextT));
40     }
41     return context;
42 }
43 
DeleteUninstallAppCertAsyncContext(napi_env env,UninstallAppCertAsyncContext & context)44 void DeleteUninstallAppCertAsyncContext(napi_env env, UninstallAppCertAsyncContext &context)
45 {
46     if (context == nullptr) {
47         return;
48     }
49 
50     DeleteNapiContext(env, context->asyncWork, context->callback);
51 
52     if (context->keyUri != nullptr) {
53         FreeCmBlob(context->keyUri);
54     }
55 
56     CmFree(context);
57     context = nullptr;
58 }
59 
UninstallAppCertParseParams(napi_env env,napi_callback_info info,UninstallAppCertAsyncContext context)60 napi_value UninstallAppCertParseParams(
61     napi_env env, napi_callback_info info, UninstallAppCertAsyncContext context)
62 {
63     size_t argc = CM_NAPI_UNINSTALL_APP_CERT_MAX_ARGS;
64     napi_value argv[CM_NAPI_UNINSTALL_APP_CERT_MAX_ARGS] = { nullptr };
65     NAPI_CALL(env, napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr));
66 
67     if ((argc != CM_NAPI_UNINSTALL_APP_CERT_MIN_ARGS) && (argc != CM_NAPI_UNINSTALL_APP_CERT_MAX_ARGS)) {
68         ThrowError(env, PARAM_ERROR, "arguments count invalid, arguments count need between 1 and 2.");
69         CM_LOG_E("arguments count invalid. argc = %d", argc);
70         return nullptr;
71     }
72 
73     size_t index = 0;
74     napi_value result = ParseString(env, argv[index], context->keyUri);
75     if (result == nullptr) {
76         ThrowError(env, PARAM_ERROR, "keyUri is not a string or the length is 0 or too long.");
77         CM_LOG_E("could not get cert uri");
78         return nullptr;
79     }
80 
81     index++;
82     if (index < argc) {
83         int32_t ret = GetCallback(env, argv[index], context->callback);
84         if (ret != CM_SUCCESS) {
85             ThrowError(env, PARAM_ERROR, "Get callback failed, callback must be a function.");
86             CM_LOG_E("get callback function faild when uninstall applicaiton cert");
87             return nullptr;
88         }
89     }
90 
91     return GetInt32(env, 0);
92 }
93 
UninstallAppCertAsyncWork(napi_env env,UninstallAppCertAsyncContext asyncContext)94 napi_value UninstallAppCertAsyncWork(napi_env env, UninstallAppCertAsyncContext asyncContext)
95 {
96     napi_value promise = nullptr;
97     GenerateNapiPromise(env, asyncContext->callback, &asyncContext->deferred, &promise);
98 
99     napi_value resourceName = nullptr;
100     NAPI_CALL(env, napi_create_string_latin1(env, "UninstallAppCertAsyncWork", NAPI_AUTO_LENGTH, &resourceName));
101 
102     NAPI_CALL(env, napi_create_async_work(
103         env,
104         nullptr,
105         resourceName,
106         [](napi_env env, void *data) {
107             UninstallAppCertAsyncContext context = static_cast<UninstallAppCertAsyncContext>(data);
108             context->result = CmUninstallAppCert(context->keyUri, context->store);
109         },
110         [](napi_env env, napi_status status, void *data) {
111             UninstallAppCertAsyncContext context = static_cast<UninstallAppCertAsyncContext>(data);
112             napi_value result[RESULT_NUMBER] = { nullptr };
113             if (context->result == CM_SUCCESS) {
114                 NAPI_CALL_RETURN_VOID(env, napi_create_uint32(env, 0, &result[0]));
115                 NAPI_CALL_RETURN_VOID(env, napi_get_undefined(env, &result[1]));
116             } else {
117                 result[0] = GenerateBusinessError(env, context->result);
118                 NAPI_CALL_RETURN_VOID(env, napi_get_undefined(env, &result[1]));
119             }
120             if (context->deferred != nullptr) {
121                 GeneratePromise(env, context->deferred, context->result, result, CM_ARRAY_SIZE(result));
122             } else {
123                 GenerateCallback(env, context->callback, result, CM_ARRAY_SIZE(result), context->result);
124             }
125             DeleteUninstallAppCertAsyncContext(env, context);
126         },
127         static_cast<void *>(asyncContext),
128         &asyncContext->asyncWork));
129 
130     napi_status status = napi_queue_async_work(env, asyncContext->asyncWork);
131     if (status != napi_ok) {
132         GET_AND_THROW_LAST_ERROR((env));
133         DeleteUninstallAppCertAsyncContext(env, asyncContext);
134         CM_LOG_E("could not queue async work");
135         return nullptr;
136     }
137 
138     return promise;
139 }
140 
CMNapiUninstallAppCertCommon(napi_env env,napi_callback_info info,uint32_t store)141 napi_value CMNapiUninstallAppCertCommon(napi_env env, napi_callback_info info, uint32_t store)
142 {
143     UninstallAppCertAsyncContext context = CreateUninstallAppCertAsyncContext();
144     if (context == nullptr) {
145         CM_LOG_E("could not create context");
146         return nullptr;
147     }
148 
149     context->store = store;
150 
151     napi_value result = UninstallAppCertParseParams(env, info, context);
152     if (result == nullptr) {
153         CM_LOG_E("could not parse params");
154         DeleteUninstallAppCertAsyncContext(env, context);
155         return nullptr;
156     }
157     result = UninstallAppCertAsyncWork(env, context);
158     if (result == nullptr) {
159         CM_LOG_E("could not start async work");
160         DeleteUninstallAppCertAsyncContext(env, context);
161         return nullptr;
162     }
163     return result;
164 }
165 }  // namespace CertManagerNapi
166