/*-
* ============LICENSE_START=======================================================
* ONAP Policy Engine
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
* Modified Copyright (C) 2018 Samsung Electronics Co., Ltd.
* Modifications Copyright (C) 2019 Bell Canada
* ================================================================================
* 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=========================================================
*/
package org.onap.policy.admin;
import com.att.research.xacml.util.XACMLProperties;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.XACMLRestProperties;
import org.onap.policy.utils.PeCryptoUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
/**
* What is not good about this class is that once a value has been set for pdpProperties path you cannot change it. That
* may be ok for a highly controlled production environment in which nothing changes, but not a very good
* implementation.
*
*
The reset() method has been added to assist with the above problem in order to acquire >80% JUnit code coverage.
*
*
This static class doesn't really check a PDP, it simply loads a properties file and tried to ensure
* that a valid URL exists for a PDP along with user/password.
*/
public class CheckPdpProperties {
private static Path pdpPath = null;
private static Long oldModified = null;
private static HashMap pdpMap = null;
private static final Logger LOGGER = FlexLogger.getLogger(CheckPdpProperties.class);
private CheckPdpProperties() {
// default constructor
}
public static Map getPdpMap() {
return pdpMap;
}
private static void reset() {
pdpPath = null;
oldModified = null;
pdpMap = null;
}
/**
* validateId - validates that the ID is in the properties.
*
* @param id Input ID
* @return true it is in the properties
*/
public static boolean validateId(String id) {
// ReadFile
try {
readFile();
} catch (Exception e) {
LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + e);
return false;
}
if (pdpMap == null) {
return false;
}
// Check ID
return pdpMap.containsKey(id);
}
private static void readFile() {
String pdpFile;
try {
pdpFile = XACMLProperties.getProperty(XACMLRestProperties.PROP_PDP_IDFILE);
} catch (Exception e) {
LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + "Cannot read the PDP ID File" + e);
return;
}
if (pdpFile == null) {
LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "PDP File name not Valid : " + pdpFile);
} else if (pdpPath == null) {
pdpPath = Paths.get(pdpFile);
if (!pdpPath.toString().endsWith(".properties") || !pdpPath.toFile().exists()) {
LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "File doesn't exist in the specified Path : "
+ pdpPath.toString());
CheckPdpProperties.reset();
return;
}
readProps();
} else { // Check if File is updated recently
Long newModified = pdpPath.toFile().lastModified();
if (!newModified.equals(oldModified)) {
// File has been updated.
readProps();
}
}
}
@SuppressWarnings({"unchecked", "rawtypes"})
private static void readProps() {
Properties pdpProp;
pdpProp = new Properties();
try (InputStream in = new FileInputStream(pdpPath.toFile())) {
oldModified = pdpPath.toFile().lastModified();
pdpProp.load(in);
// Read the Properties and Load the PDPs and encoding.
pdpMap = new HashMap<>();
// Check the Keys for PDP_URLs
Collection