71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
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package de.hsadmin.mods.email;
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import java.util.List;
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import javax.persistence.EntityManager;
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import javax.persistence.Query;
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import de.hsadmin.core.model.AbstractEntity;
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import de.hsadmin.core.qserv.CompoundProcessor;
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import de.hsadmin.core.qserv.EntityProcessorFactory;
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import de.hsadmin.core.qserv.Processor;
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import de.hsadmin.core.qserv.ShellProcessor;
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/**
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* System level implementation for EMailAdress module.
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*/
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public class EMailAddressProcessorFactory implements EntityProcessorFactory {
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/**
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* @return a Processor which creates an email address
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*/
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public <T extends AbstractEntity> Processor createCreateProcessor(EntityManager em, T entity) {
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// TODO: combine both keys in a single call (optimization)
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EMailAddress email = (EMailAddress) entity;
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CompoundProcessor cp = new CompoundProcessor();
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cp.appendProcessor(new ShellProcessor( "postmap -r -i /etc/postfix/virtual",
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email.getFullDomain() + " -" ) );
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cp.appendProcessor(new ShellProcessor( "postmap -r -i /etc/postfix/virtual",
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email.getEMailAddress() + " " + email.getTarget() ) );
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return cp;
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}
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/**
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* @return a Processor which updates an email address
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*/
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public <T extends AbstractEntity> Processor createUpdateProcessor(EntityManager em, T entity) {
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// TODO: if update is specified by primary-key or DB query instead of OID,
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// a postmap -d might be neccessary
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return createCreateProcessor(em, entity);
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}
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/**
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* @return a Processor which deletes an email address
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*/
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public <T extends AbstractEntity> Processor createDeleteProcessor(EntityManager em, T entity) {
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// TODO: combine both keys in a single call (optimization)
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// remove the entry itself
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CompoundProcessor cp = new CompoundProcessor();
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EMailAddress email = (EMailAddress) entity;
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cp.appendProcessor(
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new ShellProcessor( "postmap -d '" + email.getEMailAddress() + "' /etc/postfix/virtual" ) );
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// any other email addresses for this domain?
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Query query;
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if ( email.getSubdomain() != null ) {
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query = em.createQuery("SELECT e FROM EMailAddresses e WHERE e.subdomain=:subdomain AND e.domain=:domain");
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query.setParameter("subdomain", email.getSubdomain());
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}
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else {
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query = em.createQuery("SELECT e FROM EMailAddresses e WHERE e.subdomain IS NULL AND e.domain=:domain");
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}
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query.setParameter("domain", email.getDomain());
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List<?> result = query.getResultList();
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if ( result == null || result.size() == 0 ) {
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// remove the domain from virtual.db
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cp.appendProcessor(
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new ShellProcessor( "postmap -d '" + email.getFullDomain() + "' /etc/postfix/virtual" ) );
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}
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return cp;
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}
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}
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