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/*
* ============LICENSE_START==========================================
* org.onap.music
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property
* ===================================================================
* 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.music;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
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.Access;
import org.onap.aaf.cadi.CadiWrap;
import org.onap.aaf.cadi.Permission;
import org.onap.aaf.cadi.PropAccess;
import org.onap.aaf.cadi.aaf.AAFPermission;
import org.onap.aaf.cadi.filter.CadiFilter;
public class CadiAuthFilter extends CadiFilter {
private static String include_url_endpoints ="";
private static String exclude_url_endpoints = "";
public static final String AUTHORIZATION = "Authorization";
public CadiAuthFilter(boolean init, PropAccess access) throws ServletException {
super(true, access);
}
public void init(FilterConfig filterConfig) throws ServletException {
super.init(filterConfig);
include_url_endpoints = filterConfig.getInitParameter("include_url_endpoints");
exclude_url_endpoints = filterConfig.getInitParameter("exclude_url_endpoints");
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
super.doFilter(request, response, chain);
}
private String getUrl(ServletRequest request) {
String path = "";
HttpServletRequest httpRequest = (HttpServletRequest) request;
path = httpRequest.getRequestURI().substring(httpRequest.getContextPath().length() + 1);
return path;
}
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;
}
public static List<AAFPermission> getAAFPermissions(HttpServletRequest request) {
CadiWrap wrapReq = (CadiWrap) request;
List<Permission> perms = wrapReq.getPermissions(wrapReq.getUserPrincipal());
List<AAFPermission> aafPermsList = new ArrayList<>();
for (Permission perm : perms) {
AAFPermission aafPerm = (AAFPermission) perm;
aafPermsList.add(aafPerm);
System.out.println(aafPerm.toString());
System.out.println(aafPerm.getType());
}
return aafPermsList;
}
public static List<AAFPermission> getAAFPermissions(ServletRequest request) {
CadiWrap wrapReq = (CadiWrap) request;
List<Permission> perms = wrapReq.getPermissions(wrapReq.getUserPrincipal());
List<AAFPermission> aafPermsList = new ArrayList<>();
for (Permission perm : perms) {
AAFPermission aafPerm = (AAFPermission) perm;
aafPermsList.add(aafPerm);
}
return aafPermsList;
}
/**
*
* @param request
* @return returns list of AAFPermission for the specific namespace
*/
public static List<AAFPermission> getNameSpacesAAFPermissions(String nameSpace,
List<AAFPermission> allPermissionsList) {
String type = nameSpace + ".url";
allPermissionsList.removeIf(perm -> (!perm.getType().equals(type)));
return allPermissionsList;
}
}
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