BlacklistAwareRedirectResolver.java
/*******************************************************************************
* Copyright 2018 The MIT Internet Trust Consortium
*
* 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.
*******************************************************************************/
/**
*
*/
package org.mitre.oauth2.service.impl;
import org.mitre.openid.connect.config.ConfigurationPropertiesBean;
import org.mitre.openid.connect.service.BlacklistedSiteService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.oauth2.common.exceptions.InvalidRequestException;
import org.springframework.security.oauth2.common.exceptions.OAuth2Exception;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.endpoint.DefaultRedirectResolver;
import org.springframework.stereotype.Component;
import com.google.common.base.Strings;
/**
*
* A redirect resolver that knows how to check against the blacklisted URIs
* for forbidden values. Can be configured to do strict string matching also.
*
* @author jricher
*
*/
@Component("blacklistAwareRedirectResolver")
public class BlacklistAwareRedirectResolver extends DefaultRedirectResolver {
@Autowired
private BlacklistedSiteService blacklistService;
@Autowired
private ConfigurationPropertiesBean config;
private boolean strictMatch = true;
/* (non-Javadoc)
* @see org.springframework.security.oauth2.provider.endpoint.RedirectResolver#resolveRedirect(java.lang.String, org.springframework.security.oauth2.provider.ClientDetails)
*/
@Override
public String resolveRedirect(String requestedRedirect, ClientDetails client) throws OAuth2Exception {
String redirect = super.resolveRedirect(requestedRedirect, client);
if (blacklistService.isBlacklisted(redirect)) {
// don't let it go through
throw new InvalidRequestException("The supplied redirect_uri is not allowed on this server.");
} else {
// not blacklisted, passed the parent test, we're fine
return redirect;
}
}
/* (non-Javadoc)
* @see org.springframework.security.oauth2.provider.endpoint.DefaultRedirectResolver#redirectMatches(java.lang.String, java.lang.String)
*/
@Override
protected boolean redirectMatches(String requestedRedirect, String redirectUri) {
if (isStrictMatch()) {
// we're doing a strict string match for all clients
return Strings.nullToEmpty(requestedRedirect).equals(redirectUri);
} else {
// otherwise do the prefix-match from the library
return super.redirectMatches(requestedRedirect, redirectUri);
}
}
/**
* @return the strictMatch
*/
public boolean isStrictMatch() {
if (config.isHeartMode()) {
// HEART mode enforces strict matching
return true;
} else {
return strictMatch;
}
}
/**
* Set this to true to require exact string matches for all redirect URIs. (Default is false)
*
* @param strictMatch the strictMatch to set
*/
public void setStrictMatch(boolean strictMatch) {
this.strictMatch = strictMatch;
}
}