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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*******************************************************************************/
package org.onap.ecomp.main;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;
import javax.xml.bind.DatatypeConverter;
import org.json.JSONObject;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class APIHConfig {
final static EELFLogger logger = EELFManager.getInstance().getLogger(APIHConfig.class);
private static JSONObject configObject = new JSONObject();
private static APIHConfig apihConfigObj = null;
public APIHConfig () throws Exception {
configObject = readConfiguration();
}
public static APIHConfig getInstance() {
if (apihConfigObj == null) {
try {
apihConfigObj = new APIHConfig();
} catch (Exception e) {
StringWriter stack = new StringWriter();
e.printStackTrace(new PrintWriter(stack));
logger.info(stack.toString());
}
}
return apihConfigObj;
}
public JSONObject getConfigObject() {
return configObject;
}
private JSONObject readConfiguration() throws Exception{
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource("configuration.txt").getFile());
StringBuilder configString = new StringBuilder();
Scanner scanner = new Scanner(file);
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
configString.append(line);
}
JSONObject configObject = new JSONObject(configString.toString());
scanner.close();
return configObject;
}
public boolean validateUser(String authString, String userId, String function){
if(!configObject.optBoolean("enableAuthetication")){
logger.info("Authentication is disabled. Continuing ...");
return true;
}
if(authString ==null || authString.isEmpty()){
logger.info("Authentication data missing. Not Authorized");
return false;
}
String decodedAuth = "";
String[] authParts = authString.split("\\s+");
String authInfo = authParts[1];
byte[] bytes = null;
bytes = DatatypeConverter.parseBase64Binary(authInfo);
decodedAuth = new String(bytes,StandardCharsets.UTF_8);
String[] authen = decodedAuth.split(":");
// APIHUtil.getIntance().generate() use this function once the encrytion to work
if (authen.length > 1 && configObject.optBoolean("enableAuthetication") && authen[0].equals(configObject.optString("mechid"))
&& authen[1].equals(configObject.optString("pass"))) {
logger.info("Application is authenticated sucessfully");
return true;
} else {
logger.info("Application authentication Failed!!");
return false;
}
}
}
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