hs.hsadmin/hsarback/src/de/hsadmin/mods/user/UnixUserProcessorFactory.java

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2010-10-01 21:52:51 +02:00
package de.hsadmin.mods.user;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.persistence.EntityManager;
import de.hsadmin.core.model.Entity;
import de.hsadmin.core.qserv.CompoundProcessor;
import de.hsadmin.core.qserv.EntityProcessorFactory;
import de.hsadmin.core.qserv.Processor;
import de.hsadmin.core.qserv.ShellProcessor;
/**
* Factory class which creates Processor instances for dealing with UNIX user
* accounts.
*
* @author mi
*/
public class UnixUserProcessorFactory implements EntityProcessorFactory {
/**
* @return a Processor which creates a new UNIX user account
*/
public <T extends Entity> Processor createCreateProcessor(EntityManager em,
T entity) {
UnixUser user = (UnixUser) entity;
CompoundProcessor aCP = new CompoundProcessor(new ShellProcessor(
"newusers", user.getName() + ":" + user.getPassword() + ":"
+ user.getUserId() + ":" + user.getPac().getName()
+ ":" + user.getComment() + ":" + user.getHomedir()
+ ":" + user.getShell() + "\n"));
appendSetQuotaProcessor(aCP, user);
appendMakeMaildirProcessor(aCP, user);
return aCP;
}
/**
* @return a Processor which updates an existing UNIX user account
*/
public <T extends Entity> Processor createUpdateProcessor(EntityManager em,
T entity) {
UnixUser user = (UnixUser) entity;
CompoundProcessor aCP = new CompoundProcessor(new ShellProcessor(
"usermod -c '" + user.getComment() + "'" + " -d '"
+ user.getHomedir() + "'" + " -s '" + user.getShell()
+ "' " + user.getName()));
if (user.getPassword() != null && user.getPassword().length() > 0)
aCP.appendProcessor(new ShellProcessor("chpasswd ", user.getName()
+ ":" + user.getPassword() + "\n"));
appendSetQuotaProcessor(aCP, user);
return aCP;
}
/**
* @return a Processor which deletes an existing UNIX user account
*/
public <T extends Entity> Processor createDeleteProcessor(EntityManager em,
T entity) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyMMdd-HHmm-");
String trashPrefix = "/home/trash/" + sdf.format(new Date());
UnixUser user = (UnixUser) entity;
CompoundProcessor aCP = new CompoundProcessor();
if (user.isDefaultHomedir())
aCP.appendProcessor(new ShellProcessor("mv '" + user.getHomedir()
+ "' '" + trashPrefix + user.getName() + "'"));
aCP.appendProcessor(new ShellProcessor("userdel " + user.getName()));
return aCP;
}
private void appendSetQuotaProcessor(CompoundProcessor aCP, UnixUser user) {
Integer quotaSoft = user.getQuotaSoftlimit();
if (quotaSoft == null || quotaSoft.intValue() == 0) {
aCP.appendProcessor(new ShellProcessor("setquota -u "
+ user.getName() + " 0 0 0 0 "
+ "`df /home/pacs/ | tail -n1 | cut -d' ' -f1`"));
return;
}
Integer userSoftQuota = quotaSoft * 1024;
Integer quotaHard = user.getQuotaHardlimit();
if (quotaHard == null) {
quotaHard = new Integer(0);
}
Integer userHardQuota = quotaHard * 1024;
if (userHardQuota.intValue() < userSoftQuota.intValue()) {
// set default value
userHardQuota = ((Double) (userSoftQuota * 1.5 + 32)).intValue();
}
aCP.appendProcessor(new ShellProcessor("setquota -u "
+ user.getName() + " " + userSoftQuota + " "
+ userHardQuota + " 0 0 "
+ "`df /home/pacs/ | tail -n1 | cut -d' ' -f1`"));
}
private void appendMakeMaildirProcessor(CompoundProcessor aCP, UnixUser user) {
aCP.appendProcessor(
new ShellProcessor(
"su -l " + user.getName() + " -s \"/bin/bash\" -c \"maildirmake " +
user.getHomedir() + "/Maildir" +
"\""
));
}
}