1 /*
2  * Copyright (c) 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 <sys/stat.h>
17 #include <sys/types.h>
18 
19 #include "netfirewall_preference_helper.h"
20 #include "netmgr_ext_log_wrapper.h"
21 #include "preferences_errno.h"
22 #include "preferences_helper.h"
23 #include "preferences_value.h"
24 using namespace std;
25 
26 namespace OHOS {
27 namespace NetManagerStandard {
GetInstance()28 shared_ptr<NetFirewallPreferenceHelper> NetFirewallPreferenceHelper::GetInstance()
29 {
30     static std::shared_ptr<NetFirewallPreferenceHelper> instance = make_shared<NetFirewallPreferenceHelper>();
31     return instance;
32 }
33 
GetPreference()34 bool NetFirewallPreferenceHelper::GetPreference()
35 {
36     int32_t errCode = -1;
37     ptr_ = NativePreferences::PreferencesHelper::GetPreferences(filePath_, errCode);
38     if (ptr_ == nullptr) {
39         NETMGR_EXT_LOG_E("GetPreference error code is %{public}d", errCode);
40         return false;
41     }
42     return true;
43 }
44 
GetPreference(const std::string & filePath)45 bool NetFirewallPreferenceHelper::GetPreference(const std::string &filePath)
46 {
47     filePath_ = filePath;
48     int32_t errCode = -1;
49     ptr_ = NativePreferences::PreferencesHelper::GetPreferences(filePath_, errCode);
50     if (ptr_ == nullptr) {
51         NETMGR_EXT_LOG_E("GetPreference error code is %{public}d", errCode);
52         return false;
53     }
54     return true;
55 }
56 
SaveInt(const std::string & key,int32_t value)57 bool NetFirewallPreferenceHelper::SaveInt(const std::string &key, int32_t value)
58 {
59     return Save(key, value);
60 }
61 
SaveBool(const std::string & key,bool value)62 bool NetFirewallPreferenceHelper::SaveBool(const std::string &key, bool value)
63 {
64     return Save(key, value);
65 }
66 
Save(const std::string & key,const T & value)67 template <typename T> bool NetFirewallPreferenceHelper::Save(const std::string &key, const T &value)
68 {
69     if (!GetPreference()) {
70         return false;
71     }
72     if (!SaveInner(ptr_, key, value)) {
73         NETMGR_EXT_LOG_E("SaveInner error");
74         return false;
75     }
76     return RefreshSync();
77 }
78 
SaveInner(std::shared_ptr<NativePreferences::Preferences> ptr,const std::string & key,const int32_t & value)79 bool NetFirewallPreferenceHelper::SaveInner(std::shared_ptr<NativePreferences::Preferences> ptr, const std::string &key,
80     const int32_t &value)
81 {
82     if (ptr == nullptr) {
83         NETMGR_EXT_LOG_E("ptr is nullptr");
84         return false;
85     }
86     return ptr->PutInt(key, value) == NativePreferences::E_OK;
87 }
88 
SaveInner(std::shared_ptr<NativePreferences::Preferences> ptr,const std::string & key,const bool & value)89 bool NetFirewallPreferenceHelper::SaveInner(std::shared_ptr<NativePreferences::Preferences> ptr, const std::string &key,
90     const bool &value)
91 {
92     if (ptr == nullptr) {
93         NETMGR_EXT_LOG_E("ptr is nullptr");
94         return false;
95     }
96     return ptr->PutBool(key, value) == NativePreferences::E_OK;
97 }
98 
ObtainInt(const std::string & key,int32_t defValue)99 int32_t NetFirewallPreferenceHelper::ObtainInt(const std::string &key, int32_t defValue)
100 {
101     return Obtain(key, defValue);
102 }
103 
ObtainBool(const std::string & key,bool defValue)104 bool NetFirewallPreferenceHelper::ObtainBool(const std::string &key, bool defValue)
105 {
106     return Obtain(key, defValue);
107 }
108 
Obtain(const std::string & key,const T & defValue)109 template <typename T> T NetFirewallPreferenceHelper::Obtain(const std::string &key, const T &defValue)
110 {
111     if (!GetPreference()) {
112         NETMGR_EXT_LOG_I("Obtain GetPreference failed");
113         return defValue;
114     }
115     return ObtainInner(ptr_, key, defValue);
116 }
117 
ObtainInner(std::shared_ptr<NativePreferences::Preferences> ptr,const std::string & key,const int32_t & defValue)118 int32_t NetFirewallPreferenceHelper::ObtainInner(std::shared_ptr<NativePreferences::Preferences> ptr,
119     const std::string &key, const int32_t &defValue)
120 {
121     return ptr->GetInt(key, defValue);
122 }
123 
ObtainInner(std::shared_ptr<NativePreferences::Preferences> ptr,const std::string & key,const bool & defValue)124 bool NetFirewallPreferenceHelper::ObtainInner(std::shared_ptr<NativePreferences::Preferences> ptr,
125     const std::string &key, const bool &defValue)
126 {
127     return ptr->GetBool(key, defValue);
128 }
129 
RefreshSync()130 bool NetFirewallPreferenceHelper::RefreshSync()
131 {
132     if (!GetPreference()) {
133         NETMGR_EXT_LOG_I("RefreshSync GetPreference failed");
134         return false;
135     }
136     if (ptr_ == nullptr) {
137         NETMGR_EXT_LOG_E("ptr_ is nullptr");
138         return false;
139     }
140     if (ptr_->FlushSync() != NativePreferences::E_OK) {
141         NETMGR_EXT_LOG_E("RefreshSync error");
142         return false;
143     }
144     return true;
145 }
146 
Clear(const std::string & filePath)147 bool NetFirewallPreferenceHelper::Clear(const std::string &filePath)
148 {
149     if (!GetPreference(filePath)) {
150         NETMGR_EXT_LOG_I("Clear GetPreference failed");
151         return false;
152     }
153     if (ptr_ == nullptr) {
154         NETMGR_EXT_LOG_E("ptr_ is nullptr");
155         return false;
156     }
157     int ret = NativePreferences::PreferencesHelper::DeletePreferences(filePath);
158     if (ret) {
159         NETMGR_EXT_LOG_E("ptr_ is nullptr");
160     }
161     ptr_ = nullptr;
162     return true;
163 }
164 } // namespace NetManagerStandard
165 } // namespace OHOS