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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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=========================================================
*/
package org.onap.aai.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.io.IOUtils;
import org.eclipse.jetty.util.security.Password;
import org.onap.aai.exceptions.AAIException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AAIApplicationConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(AAIApplicationConfig.class);
private static String GLOBAL_PROP_FILE_NAME = "application.properties";
private static final String SERVER_CERTS_LOCATION_PROP_NAME = "server.certs.location";
private static final String PASSPHRASSES_FILENAME = ".passphrases";
private static final String PASSWORD_FILENAME = ".password";
private static final String TRUSTSTORE_PASSWORD_PROP_NAME = "cadi_truststore_password";
public static final String SERVER_SSL_KEYSTORE_PROP_NAME = "server.ssl.key-store";
public static final String SERVER_SSL_KEYSTORE_PKCS12_PROP_NAME = "server.ssl.key-store.pkcs12";
public static final String SERVER_SSL_TRUSTSTORE_PROP_NAME = "server.ssl.trust-store";
public static final String TRUSTSTORE_PASSWORD_NAME = "server.ssl.trust-store-password";
public static final String KEYSTORE_PASSWORD_NAME = "server.ssl.key-store-password";
private static Properties serverProps;
private static boolean propsInitialized = false;
private static String TRUSTSTORE_PASSWORD = null;
private static String KEYSTORE_PASSWORD = null;
private static final String PROPERTY_REGEX = "\\$\\{([^\\$\\{\\}]+)\\}";
/**
* Instantiates a new AAI config.
*/
// Don't instantiate
private AAIApplicationConfig() {
}
/**
* Inits the.
*
* @throws AAIException the AAI exception
*/
public synchronized static void init() {
LOGGER.info("Initializing AAIApplicationConfig");
AAIApplicationConfig.reloadConfig();
}
/**
* Reload config.
*/
public synchronized static void reloadConfig() {
Properties newServerProps = new Properties();
LOGGER.debug("Reloading config from " + GLOBAL_PROP_FILE_NAME);
try {
InputStream is = AAIApplicationConfig.class.getClassLoader().getResourceAsStream(GLOBAL_PROP_FILE_NAME);
newServerProps.load(is);
propsInitialized = true;
serverProps = newServerProps;
TRUSTSTORE_PASSWORD = retrieveTruststorePassword();
KEYSTORE_PASSWORD = retrieveKeystorePassword();
} catch (Exception fnfe) {
final InputStream is =
Thread.currentThread().getContextClassLoader().getResourceAsStream("application.properties");
LOGGER.info("Unable to find the application.properties from filesystem so using file in jar");
if (is != null) {
try {
newServerProps.load(is);
serverProps = newServerProps;
TRUSTSTORE_PASSWORD = retrieveTruststorePassword();
KEYSTORE_PASSWORD = retrieveKeystorePassword();
} catch (IOException e) {
LOGGER.warn("Encountered IO Exception during loading of props from inputstream", e);
}
} else {
LOGGER.error("Expected to find the properties file in the jar but unable to find it");
}
}
}
/**
* Gets the key value
*
* @param key the key
* @param defaultValue the default value
* @return the string
*/
public static String get(String key, String defaultValue) {
String result = defaultValue;
try {
result = get(key);
} catch (AAIException a) {
}
if (result == null || result.isEmpty()) {
result = defaultValue;
}
return (result);
}
/**
* Gets the key value
*
* @param key the key
* @return the string
* @throws AAIException the AAI exception
*/
public static String get(String key) throws AAIException {
String response = null;
if (!propsInitialized || (serverProps == null)) {
reloadConfig();
}
if ((key.endsWith("password") || key.endsWith("passwd") || key.endsWith("apisecret"))
&& serverProps.containsKey(key + ".x")) {
String valx = serverProps.getProperty(key + ".x");
return Password.deobfuscate(valx);
}
if (!serverProps.containsKey(key)) {
throw new AAIException("AAI_4005", "Property key " + key + " cannot be found");
} else {
response = serverProps.getProperty(key);
if (response == null || response.isEmpty()) {
throw new AAIException("AAI_4005", "Property key " + key + " is null or empty");
}
response = replaceProperties(response);
}
return response;
}
/**
* Gets the keystore path
*
* @return the string
* @throws AAIException the AAI exception
*/
public static String getKeystore() throws AAIException {
return (get(SERVER_SSL_KEYSTORE_PROP_NAME));
}
/**
* Gets the PKCS12 keystore path
*
* @return the string
* @throws AAIException the AAI exception
*/
public static String getKeystorePkcs12() throws AAIException {
return (get(SERVER_SSL_KEYSTORE_PKCS12_PROP_NAME));
}
/**
* Gets the keystore path
*
* @return the string
* @throws AAIException the AAI exception
*/
public static String getTruststore() throws AAIException {
return (get(SERVER_SSL_TRUSTSTORE_PROP_NAME));
}
/**
* Retrieve the keystore password
*
* @return the password
*/
private static String retrieveKeystorePassword() {
String certPath = serverProps.getProperty(SERVER_CERTS_LOCATION_PROP_NAME);
if (certPath == null) {
return null;
}
try {
certPath = replaceProperties(certPath);
} catch (AAIException e) {
return null;
}
return (retrieveKeystorePasswordWithCertPath(certPath));
}
/**
* Retrieve the keystore password
*
* @return the password
*/
private static String retrieveKeystorePasswordWithCertPath(String certPath) {
File passwordFile = null;
InputStream passwordStream = null;
String keystorePassword = null;
// Override the passwords from application.properties if we find AAF certman files
try {
passwordFile = new File(certPath + PASSWORD_FILENAME);
passwordStream = new FileInputStream(passwordFile);
keystorePassword = IOUtils.toString(passwordStream, Charset.defaultCharset());
if (keystorePassword != null) {
keystorePassword = keystorePassword.trim();
}
} catch (IOException e) {
LOGGER.warn("Not using AAF Certman password file, e=" + e.getMessage());
} catch (NullPointerException n) {
LOGGER.warn("Not using AAF Certman passphrases file, e=" + n.getMessage());
} finally {
if (passwordStream != null) {
try {
passwordStream.close();
} catch (Exception e) {
}
}
}
return keystorePassword;
}
/**
* Get the keystore password
*
* @return the password
*/
public static String getKeystorePassword() {
return (KEYSTORE_PASSWORD);
}
/**
* Gets the truststore password
*
* @return the password
*/
private static String retrieveTruststorePasswordWithCertPath(String certPath) {
File passphrasesFile = null;
InputStream passphrasesStream = null;
String truststorePassword = null;
try {
passphrasesFile = new File(certPath + PASSPHRASSES_FILENAME);
passphrasesStream = new FileInputStream(passphrasesFile);
Properties passphrasesProps = new Properties();
passphrasesProps.load(passphrasesStream);
truststorePassword = passphrasesProps.getProperty(TRUSTSTORE_PASSWORD_PROP_NAME);
if (truststorePassword != null) {
truststorePassword = truststorePassword.trim();
}
} catch (IOException e) {
LOGGER.warn("Not using AAF Certman passphrases file, e=" + e.getMessage());
} catch (NullPointerException n) {
LOGGER.warn("Not using AAF Certman passphrases file, e=" + n.getMessage());
} finally {
if (passphrasesStream != null) {
try {
passphrasesStream.close();
} catch (Exception e) {
}
}
}
return truststorePassword;
}
/**
* Gets the truststore password
*
* @return the password
*/
private static String retrieveTruststorePassword() {
String certPath = serverProps.getProperty(SERVER_CERTS_LOCATION_PROP_NAME);
if (certPath == null) {
return null;
}
try {
certPath = replaceProperties(certPath);
} catch (AAIException e) {
return null;
}
return (retrieveTruststorePasswordWithCertPath(certPath));
}
/**
* Get the trustore password
*
* @return the password
*/
public static String getTruststorePassword() {
return (TRUSTSTORE_PASSWORD);
}
/**
* Gets the int value for the key.
*
* @param key the key
* @return the int
* @throws AAIException the AAI exception
*/
public static int getInt(String key) throws AAIException {
return Integer.parseInt(AAIApplicationConfig.get(key));
}
/**
* Gets the int.
*
* @param key the key
* @return the int
*/
public static int getInt(String key, String value) {
return Integer.parseInt(AAIApplicationConfig.get(key, value));
}
/**
* Gets the server props.
*
* @return the server props
*/
public static Properties getServerProps() {
return serverProps;
}
/**
* Check if a null or an Empty string is passed in.
*
* @param s the s
* @return boolean
*/
public static boolean isEmpty(String s) {
return (s == null || s.length() == 0);
}
private static String replaceProperties(String originalValue) throws AAIException {
final Pattern p = Pattern.compile(PROPERTY_REGEX);
Matcher m = p.matcher(originalValue);
/*
* if (!m.matches()) {
* return originalValue;
* }
*/
StringBuffer sb = new StringBuffer();
while (m.find()) {
String text = m.group(1);
String replacement = get(text);
m.appendReplacement(sb, replacement);
}
m.appendTail(sb);
return (sb.toString());
}
public static Properties retrieveKeystoreProps() throws AAIException {
Properties props = new Properties();
String truststorePath = System.getProperty(SERVER_SSL_TRUSTSTORE_PROP_NAME);
String truststorePassword = System.getProperty(TRUSTSTORE_PASSWORD_NAME);
String keystorePath = System.getProperty(SERVER_SSL_KEYSTORE_PKCS12_PROP_NAME);
String keystorePassword = System.getProperty(KEYSTORE_PASSWORD_NAME);
String certLocation = System.getProperty(SERVER_CERTS_LOCATION_PROP_NAME);
if (truststorePath == null || truststorePath.isEmpty()) {
truststorePath = AAIApplicationConfig.getTruststore();
}
if (truststorePath != null) {
props.setProperty(SERVER_SSL_TRUSTSTORE_PROP_NAME, truststorePath);
}
if (truststorePassword == null || truststorePassword.isEmpty()) {
if (certLocation != null && (!certLocation.isEmpty())) {
truststorePassword = AAIApplicationConfig.retrieveTruststorePasswordWithCertPath(certLocation);
} else {
truststorePassword = AAIApplicationConfig.getTruststorePassword();
}
}
if (truststorePassword != null) {
props.setProperty(TRUSTSTORE_PASSWORD_NAME, truststorePassword);
}
if (keystorePath == null || keystorePath.isEmpty()) {
keystorePath = AAIApplicationConfig.getKeystorePkcs12();
}
if (keystorePath != null) {
props.setProperty(SERVER_SSL_KEYSTORE_PKCS12_PROP_NAME, keystorePath);
}
if (keystorePassword == null || keystorePassword.isEmpty()) {
if (certLocation != null && (!certLocation.isEmpty())) {
keystorePassword = AAIApplicationConfig.retrieveKeystorePasswordWithCertPath(certLocation);
} else {
keystorePassword = AAIApplicationConfig.getKeystorePassword();
}
}
if (keystorePassword != null) {
props.setProperty(KEYSTORE_PASSWORD_NAME, keystorePassword);
}
return (props);
}
}
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