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/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2020 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.oauthprovider.filters;
import java.util.Arrays;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.web.filter.authz.RolesAuthorizationFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Requires the requesting user to be {@link org.apache.shiro.subject.Subject#isAuthenticated() authenticated} for the
* request to continue, and if they're not, requires the user to login via the HTTP Bearer protocol-specific challenge.
* Upon successful login, they're allowed to continue on to the requested resource/url.
* <p/>
* The {@link #onAccessDenied(ServletRequest, ServletResponse)} method will only be called if the subject making the
* request is not {@link org.apache.shiro.subject.Subject#isAuthenticated() authenticated}
*
* @see <a href="https://tools.ietf.org/html/rfc2617">RFC 2617</a>
* @see <a href="https://tools.ietf.org/html/rfc6750#section-2.1">OAuth2 Authorization Request Header Field</a>
* @since 1.5
*/
public class AnyRoleHttpAuthenticationFilter extends RolesAuthorizationFilter {
/**
* This class's private logger.
*/
private static final Logger LOG = LoggerFactory.getLogger(AnyRoleHttpAuthenticationFilter.class);
@Override
public boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) {
final Subject subject = getSubject(request, response);
final String[] rolesArray = (String[]) mappedValue;
LOG.debug("isAccessAllowed {}", Arrays.asList(rolesArray));
if (rolesArray == null || rolesArray.length == 0) {
//no roles specified, so nothing to check - allow access.
LOG.debug("no role specified: access allowed");
return true;
}
for (String roleName : rolesArray) {
LOG.debug("checking role {}", roleName);
if (subject.hasRole(roleName)) {
LOG.debug("role matched to {}: access allowed", roleName);
return true;
}
}
LOG.debug("no role matched: access denied");
return false;
}
}
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