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/*******************************************************************************
* Copyright (c) 2014 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.jaxrs.server.internal.security.oauth2.provider;
import static org.eclipse.osee.jaxrs.server.internal.security.oauth2.OAuthUtil.newAuthorizationRequiredResponse;
import java.net.URI;
import javax.annotation.Priority;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.Priorities;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.PreMatching;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.rs.security.oauth2.common.AccessTokenValidation;
import org.apache.cxf.rs.security.oauth2.filters.OAuthRequestFilter;
import org.apache.cxf.rs.security.oauth2.utils.OAuthConstants;
import org.apache.cxf.security.SecurityContext;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.jaxrs.server.internal.JaxRsResourceManager;
import org.eclipse.osee.jaxrs.server.internal.JaxRsResourceManager.Resource;
import org.eclipse.osee.jaxrs.server.internal.security.oauth2.OAuthUtil;
import org.eclipse.osee.logger.Log;
/**
* <pre>
* This filter allows for JAX-RS APIs to be shared between OAuth access
* and when the resource owner accesses the API without using OAuth.
* </pre>
*
* @author Roberto E. Escobar
*/
@PreMatching
@Priority(Priorities.AUTHENTICATION)
public class OAuth2RequestFilter extends OAuthRequestFilter {
private final Log logger;
private final JaxRsResourceManager resourceManager;
private final SubjectProvider subjectProvider;
private volatile boolean useUserSubject;
private volatile URI redirectURI;
private volatile boolean ignoreBasePath;
public OAuth2RequestFilter(Log logger, JaxRsResourceManager resourceManager, SubjectProvider subjectProvider) {
super();
this.logger = logger;
this.resourceManager = resourceManager;
this.subjectProvider = subjectProvider;
}
@Override
public void setUseUserSubject(boolean useUserSubject) {
super.setUseUserSubject(useUserSubject);
this.useUserSubject = useUserSubject;
}
public void setRedirectURI(URI redirectURI) {
this.redirectURI = redirectURI;
}
public void setIgnoreBasePath(boolean ignoreBasePath) {
this.ignoreBasePath = ignoreBasePath;
}
private boolean isPathSecure(ContainerRequestContext context) {
boolean result = false;
Resource resource = resourceManager.findResource(context);
if (resource != null) {
result = resource.isSecure();
} else {
//TODO Probably a JAX-RS endpoint -- use annotations;
result = true;
}
return result;
}
@Override
public void filter(ContainerRequestContext context) {
boolean isSecurePath = isPathSecure(context);
if (isSecurePath) {
if (isResourceOwnerRequest(context)) {
handleResourceOwnerRequest(context);
} else {
super.filter(context);
}
}
}
private boolean isResourceOwnerRequest(ContainerRequestContext context) {
String authorizationHeader = context.getHeaderString(HttpHeaders.AUTHORIZATION);
return !Strings.isValid(authorizationHeader) || isAuthenticationSchemeSupported(authorizationHeader);
}
private boolean isAuthenticationSchemeSupported(String header) {
return header != null && header.startsWith(OAuthConstants.BASIC_SCHEME);
}
private void handleResourceOwnerRequest(ContainerRequestContext context) {
Message msg = JAXRSUtils.getCurrentMessage();
MessageContext mc = getMessageContext();
SecurityContext sc = subjectProvider.getSecurityContextFromSession(mc);
if (sc == null) {
String authorizationHeader = context.getHeaderString(HttpHeaders.AUTHORIZATION);
Response jaxRsResponse = null;
if (isAuthenticationSchemeSupported(authorizationHeader)) {
try {
doBasicAuthentication(mc, authorizationHeader);
} catch (Exception ex) {
jaxRsResponse = getAuthenticationException(ex, msg, context);
}
} else {
jaxRsResponse = getAuthorizationRequired(msg, context);
}
// Abort processing if we already have a response
if (jaxRsResponse != null) {
context.abortWith(jaxRsResponse);
}
}
}
private Response getAuthorizationRequired(Message msg, ContainerRequestContext context) {
logger.debug("authorizationRequiredResponse called");
return newAuthorizationRequiredResponse(redirectURI, ignoreBasePath, realm, msg, context);
}
private Response getAuthenticationException(Exception ex, Message msg, ContainerRequestContext context) {
logger.error(ex, "Authorization error [%s]", msg.toString());
return newAuthorizationRequiredResponse(redirectURI, ignoreBasePath, realm, msg, context);
}
private void doBasicAuthentication(MessageContext mc, String header) {
logger.debug("doBasicAuthentication called");
String[] basicAuthParts = OAuthUtil.decodeCredentials(header);
String username = basicAuthParts[0];
String password = basicAuthParts[1];
subjectProvider.authenticate(mc, OAuthConstants.BASIC_SCHEME, username, password);
}
@Override
protected SecurityContext createSecurityContext(HttpServletRequest request, AccessTokenValidation accessTokenV) {
return OAuthUtil.getSecurityContext(accessTokenV, useUserSubject);
}
}
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