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/**
* ============LICENSE_START=======================================================
* org.onap.aaf
* ================================================================================
* Copyright © 2018 European Software Marketing 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aaf.fproxy.cache.utils;
import javax.servlet.http.HttpServletRequest;
import org.onap.aaf.fproxy.cache.CredentialCache;
import org.onap.aaf.fproxy.data.CredentialCacheData;
import org.onap.aaf.fproxy.data.CredentialCacheData.CredentialType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Component;
import org.springframework.web.util.WebUtils;
@Component
public class CacheUtils {
Logger logger = LoggerFactory.getLogger(CacheUtils.class);
@Autowired
private CredentialCache credentialCache;
@Value("${transactionid.header.name}")
private String transactionIdHeaderName;
public void populateCredentialsFromCache(HttpHeaders headers, HttpServletRequest request) {
String transactionId = headers.getFirst(transactionIdHeaderName);
if (transactionId != null) {
CredentialCacheData cacheData = credentialCache.get(transactionId);
if (cacheData == null) {
logger.info("Transaction ID {} not found in cache, skipping credential population...", transactionId);
} else if (cacheData.getCredentialType().equals(CredentialType.HEADER)) {
logger.info("Populating header credentials from cache for transaction ID: {}", transactionId);
applyHeaderCacheData(cacheData, headers);
} else if (cacheData.getCredentialType().equals(CredentialType.COOKIE)) {
logger.info("Populating cookie credentials from cache for transaction ID: {}", transactionId);
applyCookieCacheData(cacheData, headers, request);
}
} else {
logger.info("No transaction ID found in request, skipping credential population...");
}
}
private void applyHeaderCacheData(CredentialCacheData cacheData, HttpHeaders headers) {
String credentialName = cacheData.getCredentialName();
if (!headers.containsKey(credentialName)) {
headers.add(credentialName, cacheData.getCredentialValue());
logger.info("Header credentials successfully populated.");
} else {
logger.info("Request already contains header with name: {}, skipping credential population...",
credentialName);
}
}
private void applyCookieCacheData(CredentialCacheData cacheData, HttpHeaders headers, HttpServletRequest request) {
String credentialName = cacheData.getCredentialName();
// Check if Cookie with same name is already set then skip
if (WebUtils.getCookie(request, credentialName) == null) {
headers.add(HttpHeaders.COOKIE, cacheData.getCredentialValue());
logger.info("Cookie credentials successfully populated.");
} else {
logger.info("Request already contains cookie with name: {}, skipping credential population...",
credentialName);
}
}
public void addCredentialsToCache(String transactionId, CredentialCacheData credentialdata, long cacheExpiryMs) {
credentialCache.add(transactionId, credentialdata, cacheExpiryMs);
}
}
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