smtpauthuseris.java

java mail,java mailjava mailjava mailjava mail

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package org.apache.james.transport.matchers;

import org.apache.mailet.GenericMatcher;
import org.apache.mailet.Mail;
import org.apache.mailet.MailAddress;

import java.util.Collection;
import java.util.StringTokenizer;

/**
 * <P>Matches mails that are sent by an SMTP authenticated user present in a supplied list.</P>
 * <P>If the sender was not authenticated it will not match.</P>
 * <P>Configuration string: a comma, tab or space separated list of James users.</P>
 * <PRE><CODE>
 * &lt;mailet match=&quot;SMTPAuthUserIs=&lt;list-of-user-names&gt;&quot; class=&quot;&lt;any-class&gt;&quot;&gt;
 * </CODE></PRE>
 *
 * @version CVS $Revision: 494012 $ $Date: 2007-01-08 11:23:58 +0100 (Mo, 08 Jan 2007) $
 * @since 2.2.0
 */
public class SMTPAuthUserIs extends GenericMatcher {
    
    /**
     * The mail attribute holding the SMTP AUTH user name, if any.
     */
    private final static String SMTP_AUTH_USER_ATTRIBUTE_NAME = "org.apache.james.SMTPAuthUser";
    
    private Collection users;

    public void init() throws javax.mail.MessagingException {
        StringTokenizer st = new StringTokenizer(getCondition(), ", \t", false);
        users = new java.util.HashSet();
        while (st.hasMoreTokens()) {
            users.add(st.nextToken());
        }
    }

    public Collection match(Mail mail) {
        String authUser = (String) mail.getAttribute(SMTP_AUTH_USER_ATTRIBUTE_NAME);
        if (authUser != null && users.contains(authUser)) {
            return mail.getRecipients();
        } else {
            return null;
        }
    }
}