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SessionManager.java
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package act.session;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.app.ActionContext;
import act.conf.AppConfig;
import act.util.DestroyableBase;
import org.osgl.http.H;
import javax.inject.Inject;
import javax.inject.Singleton;
@Singleton
public class SessionManager extends DestroyableBase {
private SessionCodec codec;
private SessionMapper mapper;
@Inject
public SessionManager(AppConfig config) {
codec = config.sessionCodec();
mapper = config.sessionMapper();
}
public H.Session resolveSession(H.Request request, ActionContext context) {
String encodedSession = mapper.readSession(request);
context.encodedSessionToken = encodedSession;
return null == encodedSession ? new H.Session() : codec.decodeSession(encodedSession, request);
}
public H.Flash resolveFlash(H.Request request) {
String encodedFlash = mapper.readFlash(request);
if (null != encodedFlash) {
H.Flash flash = codec.decodeFlash(encodedFlash);
flash.discard();
return flash;
}
return new H.Flash();
}
public void dissolveState(H.Session session, H.Flash flash, H.Response response) {
String encodedSession = codec.encodeSession(session);
// flash could be null if precheck CSRF failed
String encodedFlash = codec.encodeFlash(flash);
long expiry = session.expiry();
if (expiry > 0) {
mapper.writeExpiration(session.expiry(), response);
}
mapper.write(encodedSession, encodedFlash, response);
}
}