90 lines
2.7 KiB
Java
90 lines
2.7 KiB
Java
package org.gcube.application.framework.core.session;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Set;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class SessionManager {
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/** The logger. */
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private static final Logger logger = LoggerFactory.getLogger(SessionManager.class);
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protected static Thread thread = new CleanSessionThread();
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protected static SessionManager sessionManager = new SessionManager();
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protected HashMap<String, ASLSession> sessions;
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protected SessionManager() {
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sessions = new HashMap<String, ASLSession>();
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thread.setDaemon(true);
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thread.start();
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}
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public static SessionManager getInstance() {
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return sessionManager;
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}
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public ASLSession getASLSession(String externalSessionID, String username)
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{
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ASLSession session = sessions.get(externalSessionID + "_" + username);
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if(session == null || !session.isValid() || !session.getUsername().equals(username))
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{
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session = new ASLSession(externalSessionID, username);
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sessions.put(externalSessionID + "_" + username, session);
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}
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if (session.getScope()!=null) //covers first helper's invocation
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ScopeProvider.instance.set(session.getScopeName());
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if (session.getSecurityToken()!=null){
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logger.info("Setting SecurityTokenProvidet to: "+session.getSecurityToken()+" in thread "+Thread.currentThread().getId());
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SecurityTokenProvider.instance.set(session.getSecurityToken());
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}
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return session;
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}
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@Override
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protected void finalize() throws Throwable {
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thread.interrupt();
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logger.debug(new Date(System.currentTimeMillis()) + " clean thread was interrupted");
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thread.join();
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logger.debug(new Date(System.currentTimeMillis()) + " clean thread was joint");
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super.finalize();
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}
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protected static class CleanSessionThread extends Thread
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{
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public void run()
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{
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while(true)
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{
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try {
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Thread.sleep(300000);
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} catch (InterruptedException e) {
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logger.error("Exception:", e);
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logger.debug(new Date(System.currentTimeMillis()) + " clean thread was interrupted (in clean thread)");
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break;
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}
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//TODO: cleanup invalid sessions: add locks...
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Set<String> keys = sessionManager.sessions.keySet();
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Iterator<String> iter = keys.iterator();
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while(iter.hasNext())
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{
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String extSessionID = iter.next();
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if(!sessionManager.sessions.get(extSessionID).isValid())
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{
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sessionManager.sessions.remove(extSessionID);
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}
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}
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}
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logger.debug(new Date(System.currentTimeMillis()) + " clean thread was terminated");
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}
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}
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}
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