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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.mail.smtp;

import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;

/**
 * This class is a specialization of the MimeMessage class that allows
 * you to specify various SMTP options and parameters that will be
 * used when this message is sent over SMTP.  Simply use this class
 * instead of MimeMessage and set SMTP options using the methods on
 * this class. 

* * See the com.sun.mail.smtp package * documentation for further information on the SMTP protocol provider.

* * @author Bill Shannon * @see javax.mail.internet.MimeMessage */ public class SMTPMessage extends MimeMessage { /** Never notify of delivery status */ public static final int NOTIFY_NEVER = -1; /** Notify of delivery success */ public static final int NOTIFY_SUCCESS = 1; /** Notify of delivery failure */ public static final int NOTIFY_FAILURE = 2; /** Notify of delivery delay */ public static final int NOTIFY_DELAY = 4; /** Return full message with delivery status notification */ public static final int RETURN_FULL = 1; /** Return only message headers with delivery status notification */ public static final int RETURN_HDRS = 2; private static final String[] returnOptionString = { null, "FULL", "HDRS" }; private String envelopeFrom; // the string to use in the MAIL FROM: command private int notifyOptions = 0; private int returnOption = 0; private boolean sendPartial = false; private boolean allow8bitMIME = false; private String submitter = null; // RFC 2554 AUTH=submitter private String extension = null; // extensions to use with MAIL command /** * Default constructor. An empty message object is created. * The headers field is set to an empty InternetHeaders * object. The flags field is set to an empty Flags * object. The modified flag is set to true. * * @param session the Session */ public SMTPMessage(Session session) { super(session); } /** * Constructs an SMTPMessage by reading and parsing the data from the * specified MIME InputStream. The InputStream will be left positioned * at the end of the data for the message. Note that the input stream * parse is done within this constructor itself. * * @param session Session object for this message * @param is the message input stream * @exception MessagingException for failures */ public SMTPMessage(Session session, InputStream is) throws MessagingException { super(session, is); } /** * Constructs a new SMTPMessage with content initialized from the * source MimeMessage. The new message is independent * of the original.

* * Note: The current implementation is rather inefficient, copying * the data more times than strictly necessary. * * @param source the message to copy content from * @exception MessagingException for failures */ public SMTPMessage(MimeMessage source) throws MessagingException { super(source); } /** * Set the From address to appear in the SMTP envelope. Note that this * is different than the From address that appears in the message itself. * The envelope From address is typically used when reporting errors. * See RFC 821 for * details.

* * If set, overrides the mail.smtp.from property. * * @param from the envelope From address */ public void setEnvelopeFrom(String from) { envelopeFrom = from; } /** * Return the envelope From address. * * @return the envelope From address, or null if not set */ public String getEnvelopeFrom() { return envelopeFrom; } /** * Set notification options to be used if the server supports * Delivery Status Notification * (RFC 1891). * Either NOTIFY_NEVER or some combination of * NOTIFY_SUCCESS, NOTIFY_FAILURE, and * NOTIFY_DELAY.

* * If set, overrides the mail.smtp.dsn.notify property. * * @param options notification options */ public void setNotifyOptions(int options) { if (options < -1 || options >= 8) throw new IllegalArgumentException("Bad return option"); notifyOptions = options; } /** * Get notification options. Returns zero if no options set. * * @return notification options */ public int getNotifyOptions() { return notifyOptions; } /** * Return notification options as an RFC 1891 string. * Returns null if no options set. */ String getDSNNotify() { if (notifyOptions == 0) return null; if (notifyOptions == NOTIFY_NEVER) return "NEVER"; StringBuilder sb = new StringBuilder(); if ((notifyOptions & NOTIFY_SUCCESS) != 0) sb.append("SUCCESS"); if ((notifyOptions & NOTIFY_FAILURE) != 0) { if (sb.length() != 0) sb.append(','); sb.append("FAILURE"); } if ((notifyOptions & NOTIFY_DELAY) != 0) { if (sb.length() != 0) sb.append(','); sb.append("DELAY"); } return sb.toString(); } /** * Set return option to be used if server supports * Delivery Status Notification * (RFC 1891). * Either RETURN_FULL or RETURN_HDRS.

* * If set, overrides the mail.smtp.dsn.ret property. * * @param option return option */ public void setReturnOption(int option) { if (option < 0 || option > RETURN_HDRS) throw new IllegalArgumentException("Bad return option"); returnOption = option; } /** * Return return option. Returns zero if no option set. * * @return return option */ public int getReturnOption() { return returnOption; } /** * Return return option as an RFC 1891 string. * Returns null if no option set. */ String getDSNRet() { return returnOptionString[returnOption]; } /** * If set to true, and the server supports the 8BITMIME extension, text * parts of this message that use the "quoted-printable" or "base64" * encodings are converted to use "8bit" encoding if they follow the * RFC 2045 rules for 8bit text.

* * If true, overrides the mail.smtp.allow8bitmime property. * * @param allow allow 8-bit flag */ public void setAllow8bitMIME(boolean allow) { allow8bitMIME = allow; } /** * Is use of the 8BITMIME extension is allowed? * * @return allow 8-bit flag */ public boolean getAllow8bitMIME() { return allow8bitMIME; } /** * If set to true, and this message has some valid and some invalid * addresses, send the message anyway, reporting the partial failure with * a SendFailedException. If set to false (the default), the message is * not sent to any of the recipients if there is an invalid recipient * address.

* * If true, overrides the mail.smtp.sendpartial property. * * @param partial send partial flag */ public void setSendPartial(boolean partial) { sendPartial = partial; } /** * Send message if some addresses are invalid? * * @return send partial flag */ public boolean getSendPartial() { return sendPartial; } /** * Gets the submitter to be used for the RFC 2554 AUTH= value * in the MAIL FROM command. * * @return the name of the submitter. */ public String getSubmitter() { return submitter; } /** * Sets the submitter to be used for the RFC 2554 AUTH= value * in the MAIL FROM command. Normally only used by a server * that's relaying a message. Clients will typically not * set a submitter. See * RFC 2554 * for details. * * @param submitter the name of the submitter */ public void setSubmitter(String submitter) { this.submitter = submitter; } /** * Gets the extension string to use with the MAIL command. * * @return the extension string * * @since JavaMail 1.3.2 */ public String getMailExtension() { return extension; } /** * Set the extension string to use with the MAIL command. * The extension string can be used to specify standard SMTP * service extensions as well as vendor-specific extensions. * Typically the application should use the * {@link com.sun.mail.smtp.SMTPTransport SMTPTransport} * method {@link com.sun.mail.smtp.SMTPTransport#supportsExtension * supportsExtension} * to verify that the server supports the desired service extension. * See RFC 1869 * and other RFCs that define specific extensions.

* * For example: * *

     * if (smtpTransport.supportsExtension("DELIVERBY"))
     *    smtpMsg.setMailExtension("BY=60;R");
     * 
* * @param extension the extension string * @since JavaMail 1.3.2 */ public void setMailExtension(String extension) { this.extension = extension; } }




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