package de.hsadmin.mods.email; import java.util.List; import javax.persistence.EntityManager; import javax.persistence.Query; import de.hsadmin.core.model.AbstractEntity; import de.hsadmin.core.qserv.CompoundProcessor; import de.hsadmin.core.qserv.EntityProcessorFactory; import de.hsadmin.core.qserv.Processor; import de.hsadmin.core.qserv.ShellProcessor; import de.hsadmin.core.qserv.WaitingTasksProcessor; public class EMailAddressProcessorFactory implements EntityProcessorFactory { public Processor createCreateProcessor(EntityManager em, T entity) { // TODO: combine both keys in a single call (optimization) EMailAddress email = (EMailAddress) entity; CompoundProcessor cp = new CompoundProcessor(); cp.appendProcessor(new ShellProcessor( "postmap -r -i /etc/postfix/virtual", email.getFullDomain() + " -" ) ); cp.appendProcessor(new ShellProcessor( "postmap -r -i /etc/postfix/virtual", email.getEMailAddress() + " " + email.getTarget() ) ); if (emailAddressCount(em, email) < 2) { WaitingTasksProcessor waitingTasksProcessor = new WaitingTasksProcessor(cp); String pacName = email.getDomain().getUser().getPac().getName(); String domName = email.getDomain().getName(); for (String queueName : new String[] { "mail1", "mail2", "mail3" }) { waitingTasksProcessor.appendProcessor(queueName, createMailinSetupProcessor(domName, pacName), queueName + ".hostsharing.net"); } return waitingTasksProcessor; } else { return cp; } } public Processor createUpdateProcessor(EntityManager em, T entity) { // TODO: if update is specified by primary-key or DB query instead of OID, // a postmap -d might be neccessary return createCreateProcessor(em, entity); } public Processor createDeleteProcessor(EntityManager em, T entity) { CompoundProcessor cp = new CompoundProcessor(); EMailAddress email = (EMailAddress) entity; cp.appendProcessor( new ShellProcessor( "postmap -d '" + email.getEMailAddress() + "' /etc/postfix/virtual" ) ); int emailAddressCount = emailAddressCount(em, email); if (emailAddressCount == 0) { // remove the domain from virtual.db cp.appendProcessor( new ShellProcessor( "postmap -d '" + email.getFullDomain() + "' /etc/postfix/virtual" ) ); WaitingTasksProcessor waitingTasksProcessor = new WaitingTasksProcessor(cp); String domName = email.getDomain().getName(); for (String queueName : new String[] { "mail1", "mail2", "mail3" }) { waitingTasksProcessor.appendProcessor(queueName, createMailinDeleteProcessor(domName), queueName + ".hostsharing.net"); } return waitingTasksProcessor; } else { return cp; } } private int emailAddressCount(EntityManager em, EMailAddress email) { Query query; if ( email.getSubdomain() != null ) { query = em.createQuery("SELECT e FROM EMailAddresses e WHERE e.subdomain=:subdomain AND e.domain=:domain"); query.setParameter("subdomain", email.getSubdomain()); } else { query = em.createQuery("SELECT e FROM EMailAddresses e WHERE e.subdomain IS NULL AND e.domain=:domain"); } query.setParameter("domain", email.getDomain()); List result = query.getResultList(); if (result == null) { return 0; } return result.size(); } private Processor createMailinSetupProcessor(String domName, String pacName) { return new ShellProcessor("postmap -r -i /etc/postfix-mailin/transport", domName + " smtp:[" + pacName + ".hostsharing.net]\n" + "." + domName + " smtp:[" + pacName + ".hostsharing.net]\n"); } private Processor createMailinDeleteProcessor(String domName) { return new ShellProcessor( "postmap -d '" + domName + "' /etc/postfix-mailin/transport && " + "postmap -d '." + domName + "' /etc/postfix-mailin/transport"); } }