/* * Created on 2004.08.20 * JFreeMail - Java mail component * Copyright (C) 2004 Dalibor Krleza *  * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. *  * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. *  * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */ package org.jfreemail.smtp;import java.io.IOException;import java.io.OutputStream;import java.net.InetAddress;import java.net.Socket;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Vector;import org.jfreemail.core.AuthException;import org.jfreemail.core.CoreException;import org.jfreemail.core.JfmAuth;import org.jfreemail.core.JfmConsts;import org.jfreemail.core.JfmEmail;import org.jfreemail.core.JfmEmailTextPart;import org.jfreemail.core.JfmEmailBinaryPart;import org.jfreemail.core.JfmSocketCore;import org.jfreemail.core.JfmCore;/** * Class for working with SMTP, sending E-mails. */public class JfmSMTP {	private String __smtp_server=null;	private InetAddress __smtp_server_address=null;	private int __smtp_server_port=25;	private int __smtp_auth_type=0;	private Socket __smtp_socket=null;		/**	 * Constructor, needs immediate authetication. On successfully created	 * object, we don't need to worry about connection with server.	 * @param hostname Hostname of SMTP server.	 * @param port Port of SMTP server. Use 0 for default SMTP port (25).	 * @param auth_type Authentication type. See JfmConsts for details.	 * @param username Username for authentication.	 * @param password Password for authentication.	 * @throws SMTPException Thrown on communication error.	 * @throws AuthException Thrown on authentication error.	 */	public JfmSMTP(String hostname,int port,int auth_type,String username,	String password) throws SMTPException,AuthException {		if (hostname==null) {			throw new SMTPException("SMTP_001:No defined hostname");		} else __smtp_server=hostname;		if (port>0) __smtp_server_port=port;		if (auth_type>=0) __smtp_auth_type=auth_type;		try {			__smtp_socket=new Socket(__smtp_server,__smtp_server_port);		} catch(Exception exc) {			throw new SMTPException("SMTP_002:Can't connect to "+__smtp_server+":"+String.valueOf(__smtp_server_port)+", "+exc.getMessage());		}		String in=null;		try {			in=JfmSocketCore.getLine(__smtp_socket)[0];		} catch(IOException exc) {			try {			__smtp_socket.close();			} catch(IOException exc_sub) {			}			throw new SMTPException("SMTP_100:Communication error");		}		if (!JfmCore.checkSMTPresult(in))			throw new SMTPException("SMTP_100:Communication error");		JfmAuth au=new JfmAuth(__smtp_socket,__smtp_auth_type,													username,password,new String());	}		/**	 * Constructor, needs immediate authentication, so we don't need	 * to worry about connection later.	 * @param addr IP address of SMTP server.	 * @param port Port of SMTP server. Use 0 for default (25).	 * @param auth_type Authentication type. See JfmConsts for details.	 * @param username Username for authentication.	 * @param password Password for authentication.	 * @throws SMTPException Thrown on communication error.	 * @throws AuthException Thrown on authentication error.	 */	public JfmSMTP(InetAddress addr,int port,int auth_type,String username,	String password) throws SMTPException,AuthException {		if (addr==null) {			throw new SMTPException("SMTP_001:No defined hostname");		} else __smtp_server_address=addr;		if (port>0) __smtp_server_port=port;		if (auth_type>=0) __smtp_auth_type=auth_type;		try {			__smtp_socket=new Socket(__smtp_server_address,__smtp_server_port);		} catch(Exception exc) {			throw new SMTPException("SMTP_002:Can't connect to "+__smtp_server_address.getHostAddress()+":"+String.valueOf(__smtp_server_port)+", "+exc.getMessage());		}		String in=null;		try {			in=JfmSocketCore.getLine(__smtp_socket)[0];		} catch(IOException exc) {			try {			__smtp_socket.close();			} catch(IOException exc_sub) {			}			throw new SMTPException("SMTP_100:Communication error");		}		if (!JfmCore.checkSMTPresult(in))			throw new SMTPException("SMTP_100:Communication error");		JfmAuth au=new JfmAuth(__smtp_socket,__smtp_auth_type,													username,password,new String());	}		/**	 * Method for closing connection with SMTP server. Use immediate	 * before object destruction.	 * @throws SMTPException Thrown on communication error.	 */	public void close() throws SMTPException {		try {			String out="QUIT\r\n";			OutputStream os=__smtp_socket.getOutputStream();			os.write(out.getBytes());			String in=JfmSocketCore.getLine(__smtp_socket)[0];		} catch(IOException exc) {			throw new SMTPException("SMTP_100:Communication error");		}	}	/*	 * Method for resetting protocol stage when sending mail.	 */	private void resetSMTP() throws SMTPException {		try {			OutputStream os=__smtp_socket.getOutputStream();			String out="RSET\r\n";			os.write(out.getBytes());			String in=JfmSocketCore.getLine(__smtp_socket)[0];		} catch(Exception exc) {			throw new SMTPException("SMTP_004:Error during SMTP reset");		}	}		/**	 * Method for sending E-mail.	 * @param em E-mail to send.	 * @throws SMTPException Thrown on communication error:	 * @throws CoreException Thrown on E-mail composing error.	 */	public void sendMail(JfmEmail em) throws SMTPException,CoreException {		try {			/*			 * Calling E-mail composing method.			 */			String[] email=createEmailData(em);			OutputStream os=__smtp_socket.getOutputStream();			/*			 * Setting up E-mail sender, out own E-mail address.			 */			String out="MAIL FROM:"+em.getEmailHeader().getFrom()+"\r\n";			os.write(out.getBytes());			String in=JfmSocketCore.getLine(__smtp_socket)[0];			if (!JfmCore.checkSMTPresult(in)) {				resetSMTP();				throw new SMTPException("SMTP_003:Error setting E-mail sender");			}			/*			 * Setting up all E-mail receivers from receivers list.			 */			for(int i=0;i<em.getEmailHeader().getToCount();i++) {				out="RCPT TO:"+em.getEmailHeader().getTo(i)+"\r\n";				os.write(out.getBytes());				in=JfmSocketCore.getLine(__smtp_socket)[0];				if (!JfmCore.checkSMTPresult(in)) {					resetSMTP();					throw new SMTPException("SMTP_003:Error setting E-mail receiver");				}			}			/*			 * Setting up all E-mail receivers from CC list. We must do this			 * manually.			 */			for(int i=0;i<em.getEmailHeader().getCCCount();i++) {				out="RCPT TO:"+em.getEmailHeader().getCC(i)+"\r\n";				os.write(out.getBytes());				in=JfmSocketCore.getLine(__smtp_socket)[0];				if (!JfmCore.checkSMTPresult(in)) {					resetSMTP();					throw new SMTPException("SMTP_003:Error setting E-mail receiver");				}			}			/*			 * Sending E-mail.			 */			out="DATA\r\n";			os.write(out.getBytes());			in=JfmSocketCore.getLine(__smtp_socket)[0];			if (!JfmCore.checkSMTPresult(in)) {				resetSMTP();				throw new SMTPException("SMTP_003:Error sending E-mail");			}			for(int i=0;i<email.length;i++) {				os.write(email[i].getBytes());			}			in=JfmSocketCore.getLine(__smtp_socket)[0];			if (!JfmCore.checkSMTPresult(in)) {				resetSMTP();				throw new SMTPException("SMTP_003:Error sending E-mail");			}			/*			 * We need to reset protocol in order to prepare server for new			 * E-mail.			 */			resetSMTP();		} catch(IOException exc) {			throw new SMTPException("SMTP_100:Communication error");		}	}