/*******************************************************************************
* Copyright 2014 The MITRE Corporation
* and the MIT Kerberos and 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.openid.connect.client.service.impl;
import java.net.URISyntaxException;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.http.client.utils.URIBuilder;
import org.mitre.jwt.encryption.service.JwtEncryptionAndDecryptionService;
import org.mitre.jwt.signer.service.impl.JWKSetCacheService;
import org.mitre.oauth2.model.RegisteredClient;
import org.mitre.openid.connect.client.service.AuthRequestUrlBuilder;
import org.mitre.openid.connect.config.ServerConfiguration;
import org.springframework.security.authentication.AuthenticationServiceException;
import com.google.common.base.Joiner;
import com.nimbusds.jose.EncryptionMethod;
import com.nimbusds.jose.JWEAlgorithm;
import com.nimbusds.jose.JWEHeader;
import com.nimbusds.jwt.EncryptedJWT;
import com.nimbusds.jwt.JWTClaimsSet;
/**
* @author jricher
*
*/
public class EncryptedAuthRequestUrlBuilder implements AuthRequestUrlBuilder {
private JWKSetCacheService encrypterService;
private JWEAlgorithm alg;
private EncryptionMethod enc;
/* (non-Javadoc)
* @see org.mitre.openid.connect.client.service.AuthRequestUrlBuilder#buildAuthRequestUrl(org.mitre.openid.connect.config.ServerConfiguration, org.mitre.oauth2.model.RegisteredClient, java.lang.String, java.lang.String, java.lang.String, java.util.Map)
*/
@Override
public String buildAuthRequestUrl(ServerConfiguration serverConfig, RegisteredClient clientConfig, String redirectUri, String nonce, String state, Map<String, String> options) {
// create our signed JWT for the request object
JWTClaimsSet claims = new JWTClaimsSet();
//set parameters to JwtClaims
claims.setClaim("response_type", "code");
claims.setClaim("client_id", clientConfig.getClientId());
claims.setClaim("scope", Joiner.on(" ").join(clientConfig.getScope()));
// build our redirect URI
claims.setClaim("redirect_uri", redirectUri);
// this comes back in the id token
claims.setClaim("nonce", nonce);
// this comes back in the auth request return
claims.setClaim("state", state);
// Optional parameters
for (Entry<String, String> option : options.entrySet()) {
claims.setClaim(option.getKey(), option.getValue());
}
EncryptedJWT jwt = new EncryptedJWT(new JWEHeader(alg, enc), claims);
JwtEncryptionAndDecryptionService encryptor = encrypterService.getEncrypter(serverConfig.getJwksUri());
encryptor.encryptJwt(jwt);
try {
URIBuilder uriBuilder = new URIBuilder(serverConfig.getAuthorizationEndpointUri());
uriBuilder.addParameter("request", jwt.serialize());
// build out the URI
return uriBuilder.build().toString();
} catch (URISyntaxException e) {
throw new AuthenticationServiceException("Malformed Authorization Endpoint Uri", e);
}
}
/**
* @return the encrypterService
*/
public JWKSetCacheService getEncrypterService() {
return encrypterService;
}
/**
* @param encrypterService the encrypterService to set
*/
public void setEncrypterService(JWKSetCacheService encrypterService) {
this.encrypterService = encrypterService;
}
/**
* @return the alg
*/
public JWEAlgorithm getAlg() {
return alg;
}
/**
* @param alg the alg to set
*/
public void setAlg(JWEAlgorithm alg) {
this.alg = alg;
}
/**
* @return the enc
*/
public EncryptionMethod getEnc() {
return enc;
}
/**
* @param enc the enc to set
*/
public void setEnc(EncryptionMethod enc) {
this.enc = enc;
}
}