1 /*
2 * Copyright (c) 2021-2022 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 "base_extractor.h"
17
18 #include <dirent.h>
19 #include <fstream>
20
21 #include "app_log_wrapper.h"
22 #include "bundle_constants.h"
23 #include "string_ex.h"
24
25 namespace OHOS {
26 namespace AppExecFwk {
BaseExtractor(const std::string & source)27 BaseExtractor::BaseExtractor(const std::string &source) : sourceFile_(source), zipFile_(source)
28 {
29 APP_LOGI("BaseExtractor instance is created");
30 }
31
~BaseExtractor()32 BaseExtractor::~BaseExtractor()
33 {
34 APP_LOGI("BaseExtractor instance is destroyed");
35 }
36
Init()37 bool BaseExtractor::Init()
38 {
39 if (!zipFile_.Open()) {
40 APP_LOGE("open zip file failed");
41 return false;
42 }
43 ZipEntry zipEntry;
44 isNewVersion_ = zipFile_.GetEntry(Constants::MODULE_PROFILE_NAME, zipEntry);
45 initial_ = true;
46 APP_LOGI("success");
47 return true;
48 }
49
HasEntry(const std::string & fileName) const50 bool BaseExtractor::HasEntry(const std::string &fileName) const
51 {
52 if (!initial_) {
53 APP_LOGE("extractor is not initial");
54 return false;
55 }
56
57 return zipFile_.HasEntry(fileName);
58 }
59
IsDirExist(const std::string & dir) const60 bool BaseExtractor::IsDirExist(const std::string &dir) const
61 {
62 if (!initial_) {
63 APP_LOGE("extractor is not initial");
64 return false;
65 }
66 if (dir.empty()) {
67 APP_LOGE("param dir empty");
68 return false;
69 }
70 return zipFile_.IsDirExist(dir);
71 }
72
ExtractByName(const std::string & fileName,std::ostream & dest) const73 bool BaseExtractor::ExtractByName(const std::string &fileName, std::ostream &dest) const
74 {
75 if (!initial_) {
76 APP_LOGE("extractor is not initial");
77 return false;
78 }
79 if (!zipFile_.ExtractFile(fileName, dest)) {
80 APP_LOGE("extractor is not ExtractFile");
81 return false;
82 }
83 return true;
84 }
85
ExtractFile(const std::string & fileName,const std::string & targetPath) const86 bool BaseExtractor::ExtractFile(const std::string &fileName, const std::string &targetPath) const
87 {
88 APP_LOGD("begin to extract %{public}s file into %{private}s targetPath", fileName.c_str(), targetPath.c_str());
89 std::ofstream fileStream;
90 fileStream.open(targetPath, std::ios_base::out | std::ios_base::binary);
91 if (!fileStream.is_open()) {
92 APP_LOGE("fail to open %{private}s file to write", targetPath.c_str());
93 return false;
94 }
95 if ((!ExtractByName(fileName, fileStream)) || (!fileStream.good())) {
96 APP_LOGE("fail to extract %{public}s zip file into stream", fileName.c_str());
97 fileStream.clear();
98 fileStream.close();
99 if (remove(targetPath.c_str()) != 0) {
100 APP_LOGE("fail to remove %{private}s file which writes stream error", targetPath.c_str());
101 }
102 return false;
103 }
104 fileStream.clear();
105 fileStream.close();
106 return true;
107 }
108
GetZipFileNames(std::vector<std::string> & fileNames)109 bool BaseExtractor::GetZipFileNames(std::vector<std::string> &fileNames)
110 {
111 auto &entryMap = zipFile_.GetAllEntries();
112 auto entryFilter = [&fileNames](const auto &entry) {
113 auto position = entry.first.rfind(Constants::QUICK_FIX_FILE_SUFFIX);
114 bool isHqfFile = false;
115 if (position != std::string::npos) {
116 std::string suffixStr = entry.first.substr(position);
117 isHqfFile = suffixStr == Constants::QUICK_FIX_FILE_SUFFIX;
118 }
119 if ((entry.first.find(Constants::RELATIVE_PATH) == std::string::npos) && !isHqfFile) {
120 fileNames.emplace_back(entry.first);
121 }
122 };
123 for_each(entryMap.begin(), entryMap.end(), entryFilter);
124 return true;
125 }
126
IsStageBasedModel(std::string abilityName)127 bool BaseExtractor::IsStageBasedModel(std::string abilityName)
128 {
129 auto &entryMap = zipFile_.GetAllEntries();
130 std::vector<std::string> splitStrs;
131 OHOS::SplitStr(abilityName, ".", splitStrs);
132 std::string name = splitStrs.empty() ? abilityName : splitStrs.back();
133 std::string entry = "assets/js/" + name + "/" + name + ".js";
134 bool isStageBasedModel = entryMap.find(entry) != entryMap.end();
135 APP_LOGI("name:%{public}s isStageBasedModel:%{public}d", abilityName.c_str(), isStageBasedModel);
136 return isStageBasedModel;
137 }
138
IsNewVersion() const139 bool BaseExtractor::IsNewVersion() const
140 {
141 return isNewVersion_;
142 }
143 } // namespace AppExecFwk
144 } // namespace OHOS
145