/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.shindig.social.core.oauth2.validators;
import javax.servlet.http.HttpServletResponse;
import org.apache.shindig.social.core.oauth2.OAuth2Client;
import org.apache.shindig.social.core.oauth2.OAuth2DataService;
import org.apache.shindig.social.core.oauth2.OAuth2Exception;
import org.apache.shindig.social.core.oauth2.OAuth2NormalizedRequest;
import org.apache.shindig.social.core.oauth2.OAuth2NormalizedResponse;
import org.apache.shindig.social.core.oauth2.OAuth2Client.ClientType;
import org.apache.shindig.social.core.oauth2.OAuth2Client.Flow;
import org.apache.shindig.social.core.oauth2.OAuth2Types.ErrorType;
import com.google.inject.Inject;
public class ClientCredentialsGrantValidator implements OAuth2GrantValidator {
private OAuth2DataService service;
@Inject
public ClientCredentialsGrantValidator(OAuth2DataService service) {
this.service = service;
}
public void setOAuth2DataService(OAuth2DataService service) {
this.service = service;
}
public String getGrantType() {
return "client_credentials";
}
public void validateRequest(OAuth2NormalizedRequest req)
throws OAuth2Exception {
OAuth2Client cl = service.getClient(req.getClientId());
if (cl == null || cl.getFlow() != Flow.CLIENT_CREDENTIALS) {
throwAccessDenied("Bad client id or password");
}
if (cl.getType() != ClientType.CONFIDENTIAL) {
throwAccessDenied("Client credentials flow does not support public clients");
}
if (!cl.getSecret().equals(req.getClientSecret())) {
throwAccessDenied("Bad client id or password");
}
}
private void throwAccessDenied(String msg) throws OAuth2Exception {
OAuth2NormalizedResponse resp = new OAuth2NormalizedResponse();
resp.setError(ErrorType.ACCESS_DENIED.toString());
resp.setErrorDescription(msg);
resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
throw new OAuth2Exception(resp);
}
}