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/*
* ============LICENSE_START==========================================
* ONAP Portal SDK
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.portalsdk.core.onboarding.crossapi;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.aaf.cadi.filter.CadiFilter;
import org.onap.portalsdk.core.onboarding.util.PortalApiConstants;
import org.onap.portalsdk.core.onboarding.util.PortalApiProperties;
public class CadiAuthFilter extends CadiFilter {
private static String inlclude_url_endpoints ="";
public static final String AUTHORIZATION = "Authorization";
public void init(FilterConfig filterConfig) throws ServletException {
super.init(filterConfig);
inlclude_url_endpoints = filterConfig.getInitParameter("inlclude_url_endpoints");
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
if (inlclude_url_endpoints.equals("") || inlclude_url_endpoints == null || inlclude_url_endpoints.isEmpty()) {
throw new NullPointerException("inlclude_url_endpoints is null");
} else {
String includeUrlEndPointString = inlclude_url_endpoints;
ArrayList<String> includeUrlEndPointList = new ArrayList<String>(
Arrays.asList(includeUrlEndPointString.split(",")));
if (includeFilter(request, includeUrlEndPointList)) {
super.doFilter(request, response, chain);
} else
chain.doFilter(request, response);
}
}
private boolean includeFilter(ServletRequest request, ArrayList<String> includeapisList) {
boolean isauthenticated = false;
HttpServletRequest httpRequest = (HttpServletRequest) request;
if(httpRequest.getHeader(AUTHORIZATION) == null)
return isauthenticated;
// TODO: refactor to have exclusion pattern
String path = httpRequest.getRequestURI().substring(httpRequest.getContextPath().length() + 1);
if (path.contains("analytics")) {
return isauthenticated;
}
for (String str : includeapisList) {
if (!isauthenticated)
isauthenticated = matchPattern(path, str);
}
if (isauthenticated && PortalApiProperties.getProperty(PortalApiConstants.ROLE_ACCESS_CENTRALIZED)
.equalsIgnoreCase("remote"))
isauthenticated = true;
else
isauthenticated = false;
return isauthenticated;
}
private boolean matchPattern(String requestedPath, String includeUrl) {
includeUrl = includeUrl.substring(1);
String[] path = requestedPath.split("/");
if (path.length > 1) {
String[] roleFunctionArray = includeUrl.split("/");
boolean match = true;
for (int i = 0; i < roleFunctionArray.length; i++) {
if (match) {
if (!roleFunctionArray[i].equals("*")) {
Pattern p = Pattern.compile(Pattern.quote(path[i]), Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(roleFunctionArray[i]);
match = m.matches();
} else if (roleFunctionArray[i].equals("*")) {
match = true;
}
}
}
if (match)
return match;
} else {
if (requestedPath.matches(includeUrl))
return true;
else if (includeUrl.equals("*"))
return true;
}
return false;
}
}
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