/*
* Copyright (C) 2015 Square, Inc.
*
* 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 keywhiz.auth.cookie;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import java.security.SecureRandom;
import java.util.Base64;
import keywhiz.auth.xsrf.Xsrf;
import static com.google.common.base.Preconditions.checkNotNull;
public class CookieModule extends AbstractModule {
private final String cookieKey;
public CookieModule(String cookieKey) {
this.cookieKey = checkNotNull(cookieKey);
}
@Override
protected void configure() {
bindConstant().annotatedWith(Xsrf.class).to("X-XSRF-TOKEN");
}
@Provides GCMEncryptor gcmEncryptor(SecureRandom secureRandom) {
byte[] cookieBytes = Base64.getDecoder().decode(cookieKey);
return new GCMEncryptor(cookieBytes, secureRandom);
}
}