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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============================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.portalsdk.core.service;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.onap.portalsdk.core.domain.UrlsAccessible;
import org.onap.portalsdk.core.web.support.UserUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Transactional
@Service("urlAccessService")
public class UrlAccessImpl implements UrlAccessService {
@Autowired
private DataAccessService dataAccessService;
@Override
public boolean isUrlAccessible(HttpServletRequest request, String currentUrl) {
boolean isAccessible = false;
List<?> list = getAccessUrlList(currentUrl);
// loop through the list of restricted URL's
if (list != null && !list.isEmpty()) {
for (int i = 0; i < list.size(); i++) {
UrlsAccessible urlFunction = (UrlsAccessible) list.get(i);
if (!matchPattern(currentUrl, urlFunction.getUrl()))
continue;
String functionCd = urlFunction.getFunctionCd();
if (UserUtils.isAccessible(request, functionCd)) {
isAccessible = true;
break;
}
}
return isAccessible;
}
return true;
}
/*
* This Method returns all the entries in the database that start with the
* first part of the currentUrl split at the "/" character.
*
* Example: if currentUrl
* is "xyz/abc/1", all the entries in the corresponding tables that match
* with "xyz" are returned
*/
private List<?> getAccessUrlList(String currentUrl) {
List<?> list = null;
if (currentUrl != null) {
int indexOfSlash = currentUrl.indexOf("/");
String currentFirstUrl = (indexOfSlash > 0) ? currentUrl.substring(0, indexOfSlash) : currentUrl;
if (currentFirstUrl != null) {
List<Criterion> restrictionsList = new ArrayList<Criterion>();
Criterion criterion1 = Restrictions.like("urlsAccessibleKey.url", currentFirstUrl + "%");
restrictionsList.add(criterion1);
list = dataAccessService.getList(UrlsAccessible.class, null, restrictionsList, null);
}
}
return list;
}
/*
* This method compares the portalApiPath against the urlPattern; splits the
* portalApiPath by "/" and compares each part with that of the urlPattern.
*
* Example: "xyz/1/abc" matches with the pattern "xyz/* /abc" but not with
* "xyz/*"
*
*/
private Boolean matchPattern(String portalApiPath, String urlPattern) {
String[] path = portalApiPath.split("/");
if (path.length > 1) {
String[] roleFunctionArray = urlPattern.split("/");
boolean match = true;
if (roleFunctionArray.length == path.length) {
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();
}
}
}
if (match)
return match;
}
} else {
if (portalApiPath.matches(urlPattern))
return true;
}
return false;
}
}
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