/*
* 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.auth;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.apache.shindig.common.ContainerConfig;
import java.util.Map;
/**
* Default implementation of security tokens. Decides based on default container configuration
* whether to use real crypto for security tokens or to use a simple insecure implementation that
* is useful for testing.
*
* Example configuration in container.js for insecure security tokens:
* gadgets.securityTokenType = insecure
*
* Example configuration in container.js for blob crypter based security tokens:
* gadgets.securityTokenType = secure
*
* The insecure implementation is BasicSecurityTokenDecoder.
*
* The secure implementation is BlobCrypterSecurityTokenDecoder.
*/
@Singleton
public class DefaultSecurityTokenDecoder implements SecurityTokenDecoder {
private static final String SECURITY_TOKEN_TYPE = "gadgets.securityTokenType";
private final SecurityTokenDecoder decoder;
@Inject
public DefaultSecurityTokenDecoder(ContainerConfig config) {
String tokenType = config.get(ContainerConfig.DEFAULT_CONTAINER, SECURITY_TOKEN_TYPE);
if ("insecure".equals(tokenType)) {
decoder = new BasicSecurityTokenDecoder();
} else if ("secure".equals(tokenType)) {
decoder = new BlobCrypterSecurityTokenDecoder(config);
} else {
throw new RuntimeException("Unknown security token type specified in " +
ContainerConfig.DEFAULT_CONTAINER + " container configuration. " +
SECURITY_TOKEN_TYPE + ": " + tokenType);
}
}
public SecurityToken createToken(Map<String, String> tokenParameters)
throws SecurityTokenException {
return decoder.createToken(tokenParameters);
}
}