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/**
* Copyright 2017 Huawei Technologies Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.validation.csar;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.text.SimpleDateFormat;
import java.util.*;
import static java.nio.charset.StandardCharsets.*;
public class CsarParser {
private static final Logger LOG = LoggerFactory.getLogger(CsarParser.class);
// Map of CSAR file and un-zipped file indices
private static HashMap<String, String> csarFiles;
// Map of packageId and CSAR files
private static HashMap<String, HashMap<String, String>> csar = new HashMap<String, HashMap<String, String>>();
private static final CsarUtil cUtil = new CsarUtil();
/*
* pubic static boolean validateCsar(String filePath) {
*
* csarExtract(filePath);
*
* validateCsarMeta();
*
* validateToscaMeta();
*
* validateManifest();
* }
*/
public static boolean validateCsarIntegrity(String csarWithPath) {
try {
RandomAccessFile raf = new RandomAccessFile(csarWithPath, "r");
long n = raf.readInt();
raf.close();
// Check for the CSAR's integrity
if (n != 0x504B0304) {
LOG.error("CSAR %s is not a valid CSAR/ZIP file! ");
return false;
}
return true;
} catch (IOException e1) {
LOG.error("CSAR %s is not a valid CSAR/ZIP file! ", e1);
return false;
}
}
public static boolean csarExtract(String filePath) {
try {
String tempfolder = CsarUtil.getUnzipDir(filePath);
csarFiles = CsarUtil.unzip(filePath, tempfolder);
} catch (IOException e1) {
LOG.error("CSAR extraction error ! " + e1.getMessage());
return false;
}
return true;
}
public static boolean validateCsarMeta() {
String cfile = csarFiles.get(CommonConstants.CSAR_META);
if (!cfile.isEmpty()) {
File file = new File(cfile);
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(file));
String tempString = null;
while ((tempString = reader.readLine()) != null) {
if (!tempString.equals("")) {
int count1 = tempString.indexOf(":");
String meta = tempString.substring(0, count1).trim();
if (meta.equalsIgnoreCase(CommonConstants.CSAR_TYPE_META)) {
int count = tempString.indexOf(":") + 1;
if (tempString.substring(count).trim().isEmpty()) {
return false;
}
}
if (meta.equalsIgnoreCase(CommonConstants.CSAR_PROVIDER_META)) {
int count = tempString.indexOf(":") + 1;
if (tempString.substring(count).trim().isEmpty()) {
return false;
}
}
if (meta.equalsIgnoreCase(CommonConstants.CSAR_VERSION_META)) {
int count = tempString.indexOf(":") + 1;
if (tempString.substring(count).trim().isEmpty()) {
return false;
}
}
}
reader.close();
}
} catch (IOException e2) {
e2.printStackTrace();
return false;
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e1) {
LOG.error("close reader failed ! " + e1.getMessage());
}
}
return true;
}
}
return false;
}
public static boolean validateToscaMeta() {
String cfile = csarFiles.get(CommonConstants.TOSCA_META);
try {
if (!cfile.isEmpty() && cfile.contains("/" + CommonConstants.TOSCA_METADATA + "/" + CommonConstants.TOSCA_META)) {
String value = checkEntryFor("Entry-Definitions:", cfile);
if (value == null) {
return false;
//Check if Entry-Defintions pointed file exists in CSAR
} else if (csarFiles.get(value) != null) {
return true;
}
}
} catch (IOException e) {
LOG.error("Could not read file %s ! " + e.getMessage(), cfile);
}
return false;
}
private static String checkEntryFor(String attribute, String fileWithPath) throws IOException {
List<String> lines = Files.readAllLines(Paths.get(fileWithPath), UTF_8);
for(String strLine : lines) {
if (!attribute.isEmpty() && strLine.contains(attribute)) {
return strLine.substring(attribute.length(), strLine.length()).trim();
}
}
return null;
}
}
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