2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * @file task_ecnrypt_resource.cpp
18 * @author Soyoung Kim (sy037.kim@samsung.com)
20 * @brief Implementation file for installer task encrypt resource
22 #include "task_encrypt_resource.h"
24 #undef __USE_FILE_OFFSET64
33 #include <dpl/log/log.h>
34 #include <dpl/errno_string.h>
35 #include <dpl/foreach.h>
36 #include <dpl/wrt-dao-ro/global_config.h>
38 #include <widget_install/job_widget_install.h>
39 #include <widget_install/widget_install_context.h>
40 #include <widget_install/widget_install_errors.h>
42 using namespace WrtDB;
43 using namespace WRTEncryptor;
46 std::set<std::string>& getSupportedForEncryption()
48 static std::set<std::string> encryptSet;
49 if (encryptSet.empty()) {
50 encryptSet.insert(".html");
51 encryptSet.insert(".css");
52 encryptSet.insert(".js");
57 bool isSupportedForEncryption(const std::string &file)
59 size_t foundKey = file.rfind(".");
60 if (std::string::npos != foundKey) {
61 std::string mimeType = file.substr(foundKey);
62 return getSupportedForEncryption().count(mimeType) > 0;
69 namespace WidgetInstall {
70 TaskEncryptResource::TaskEncryptResource(InstallerContext& context) :
71 DPL::TaskDecl<TaskEncryptResource>(this),
74 AddStep(&TaskEncryptResource::StepEncryptResource);
77 void TaskEncryptResource::StepEncryptResource()
79 LogDebug("Step Encrypt resource");
80 m_resEnc = new ResourceEncryptor;
81 m_resEnc->CreateEncryptionKey(DPL::ToUTF8String(*m_context.
82 widgetConfig.pkgname));
84 EncryptDirectory(m_context.locations->getTemporaryRootDir());
87 void TaskEncryptResource::EncryptDirectory(std::string path)
91 char * const paths[] = {const_cast<char * const>(path.c_str()), NULL};
93 if ((fts = fts_open(paths, FTS_PHYSICAL|FTS_NOCHDIR, NULL)) == NULL) {
96 LogWarning(__PRETTY_FUNCTION__ << ": fts_open failed with error: "
98 ThrowMsg(Exceptions::InternalError, "Error reading directory: "
102 while ((ftsent = fts_read(fts)) != NULL) {
103 switch (ftsent->fts_info) {
109 //directories, non-regular files, dangling symbolic links
114 //regular files and other objects that can be counted
115 if (isSupportedForEncryption(ftsent->fts_path)) {
116 EncryptFile(ftsent->fts_path);
124 LogWarning(__PRETTY_FUNCTION__
125 << ": traversal failed on file: "
128 << strerror(ftsent->fts_errno));
129 ThrowMsg(Exceptions::InternalError, "Error reading file");
133 if (fts_close(fts) == -1) {
135 LogWarning(__PRETTY_FUNCTION__ << ": fts_close failed with error: "
140 void TaskEncryptResource::EncryptFile(const std::string &fileName)
144 LogDebug("Need to ecnrypt file Name " << fileName);
145 std::string encFile = fileName + ".enc";
148 int ret = stat(fileName.c_str(), &buf);
150 size_t fileSize = buf.st_size;
152 FILE* resFp = fopen(fileName.c_str(), "r");
153 if ( NULL == resFp) {
154 LogError("Couldnot open file : " << fileName);
158 int blockSize = m_resEnc->GetBlockSize(fileSize);
159 LogDebug("Get block size : " << blockSize);
161 unsigned char readBuf[fileSize];
162 unsigned char outEncBuf[blockSize];
163 memset(readBuf, 0, fileSize);
164 memset(outEncBuf, 0, blockSize);
166 ret = fread(readBuf, sizeof(unsigned char), fileSize, resFp);
168 LogError("Failed to read ecryption buffer with error: " << strerror(errno) );
173 m_resEnc->EncryptChunk(readBuf, outEncBuf, fileSize);
175 FILE* encFp = fopen(encFile.c_str(), "w");
177 LogError("Failed to open ecryption file");
181 fwrite(outEncBuf, sizeof(unsigned char), blockSize, encFp);
186 LogDebug("Success to encrypt file");
187 LogDebug("Remove unecrypted file : " << fileName);
189 unlink(fileName.c_str());
190 if ((rename(encFile.c_str(), fileName.c_str())) != 0) {
191 ThrowMsg(Exceptions::ExtractFileFailed, fileName);
194 std::string realPath = fileName;
195 realPath.replace(0, m_context.locations->getTemporaryRootDir().length(),
196 m_context.locations->getSourceDir());
198 WrtDB::EncryptedFileInfo info;
199 info.fileName = DPL::FromUTF8String(realPath);
200 info.fileSize = fileSize;
202 m_context.widgetConfig.encryptedFiles.insert(info);
205 Catch(ResourceEncryptor::Exception::Base)
207 ReThrowMsg(Exceptions::ExtractFileFailed, fileName);
210 } //namespace WidgetInstall