egroupware_official/phpgwapi/inc/class.send.inc.php

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<?php
/**************************************************************************\
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* eGroupWare API - smtp mailer *
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* This file written by Itzchak Rehberg <izzysoft@qumran.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* This module should replace php's mail() function. It is fully syntax *
* compatible. In addition, when an error occures, a detailed error info *
* is stored in the array $send->err (see ../inc/email/global.inc.php for *
* details on this variable). *
* Copyright (C) 2000, 2001 Itzchak Rehberg *
* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
* ------------------------------------------------------------------------ *
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* 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 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 *
\**************************************************************************/
/* $Id$ */
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class send
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{
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var $err = array('code','msg','desc');
var $to_res = array();
function send()
{
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$this->err['code'] = ' ';
$this->err['msg'] = ' ';
$this->err['desc'] = ' ';
$this->charset = $GLOBALS['phpgw']->translation->charset();
}
function msg($service, $to, $subject, $body, $msgtype='', $cc='', $bcc='', $from='', $sender='', $content_type='', $boundary='Message-Boundary')
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{
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if ($from == '')
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{
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$from = $GLOBALS['phpgw_info']['user']['fullname'].' <'.$GLOBALS['phpgw_info']['user']['preferences']['email']['address'].'>';
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}
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if ($sender == '')
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{
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$sender = $GLOBALS['phpgw_info']['user']['fullname'].' <'.$GLOBALS['phpgw_info']['user']['preferences']['email']['address'].'>';
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}
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if ($service == "email")
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{
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$now = getdate();
$header = 'Date: '.gmdate('D, d M Y H:i:s').' +0000'."\n";
$header .= 'From: '.$from."\n";
if($from != $sender)
{
$header .= 'Sender: '.$sender."\n";
}
$header .= 'Reply-To: '.$GLOBALS['phpgw_info']['user']['preferences']['email']['address']."\n";
$header .= 'To: '.$to."\n";
if (!empty($cc))
{
$header .= 'Cc: '.$cc."\n";
}
if (!empty($bcc))
{
$header .= 'Bcc: '.$bcc."\n";
}
if (!empty($msgtype))
{
$header .= 'X-phpGW-Type: '.$msgtype."\n";
}
$header .= 'X-Mailer: eGroupWare (http://www.egroupware.org)'."\n";
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/* // moved to email/send_message.php
if ($GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig'] && $attach_sig)
{
//$body .= "\n-----\n".$GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig'];
$get_sig = $this->sig_html_to_text($GLOBALS['phpgw_info']['user']['preferences']['email']['email_sig']);
$body .= "\n-----\n" .$get_sig;
}
*/
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if (empty($content_type))
{
$content_type ='plain';
}
if (ereg($boundary, $body))
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{
$header .= 'Subject: ' . stripslashes($subject) . "\n"
. 'MIME-Version: 1.0'."\n"
. 'Content-Type: multipart/mixed;'."\n"
. " boundary=\"$boundary\"\n\n"
. "--$boundary\n"
. 'Content-type: text/' .$content_type . '; charset="'.$this->charset.'"'."\n";
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// if (!empty($msgtype))
// {
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// $header .= "Content-type: text/' .$content_type . '; phpgw-type=".$msgtype."\n";
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// }
$header .= 'Content-Disposition: inline'."\n"
. 'Content-transfer-encoding: 7BIT'."\n\n"
. $body;
$body = "";
}
else
{
$header .= 'Subject: '.stripslashes($subject)."\n"
. 'MIME-version: 1.0'."\n"
. 'Content-type: text/' .$content_type . '; charset="'.$this->charset.'"'."\n";
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if (!empty($msgtype))
{
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$header .= 'Content-type: text/' .$content_type . '; phpgw-type='.$msgtype."\n";
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}
$header .= 'Content-Disposition: inline'."\n"
. 'Content-description: Mail message body'."\n";
}
if ($GLOBALS['phpgw_info']['user']['preferences']['email']['mail_server_type'] == 'imap' && $GLOBALS['phpgw_info']['user']['apps']['email'] &&
$GLOBALS['phpgw_info']['user']['preferences']['email']['use_sent_folder'])
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{
if(!is_object($GLOBALS['phpgw']->msg))
{
$GLOBALS['phpgw']->msg = CreateObject('email.mail_msg');
}
$args_array = Array();
$args_array['do_login'] = True;
$args_array['folder'] = $GLOBALS['phpgw_info']['user']['preferences']['email']['sent_folder_name'];
$GLOBALS['phpgw']->msg->begin_request($args_array);
$GLOBALS['phpgw']->msg->phpgw_append('Sent', $header."\n".$body, "\\Seen");
$GLOBALS['phpgw']->msg->end_request();
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}
if (strlen($cc)>1)
{
$to .= ','.$cc;
}
if (strlen($bcc)>1)
{
$to .= ','.$bcc;
}
$returnccode = $this->smail($to, '', $body, $header);
return $returnccode;
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}
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elseif ($type == 'nntp')
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{
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// nothing is here?
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}
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}
// ==================================================[ some sub-functions ]===
/*!
@function encode_subject
@abstract encode 8-bit chars in subject-line
@author ralfbecker
@note the quoted subjects get a header stateing the charset (eg. "=?iso-8859-1?Q?"), the \
8-bit chars as '=XX' (XX is the hex-representation of the char) and a trainling '?='.
*/
function encode_subject($subject)
{
// remove unnecessary CR's as some mail-scanners complain about them
$subject = str_replace("\r",'',$subject);
$enc_start = $enc_end = 0;
$words = explode(' ',$subject);
foreach($words as $w => $word)
{
$str = '';
for ($i = 0; $i < strlen($word); ++$i)
{
if (($n = ord($word[$i])) > 127 || $word[$i] == '=') {
$str .= sprintf('=%0X',$n);
if (!$enc_start)
{
$enc_start = $w+1;
}
$enc_end = $w+1;
}
else
{
$str .= $word[$i];
}
}
$strs[] = $str;
//echo "word='$word', start=$enc_start, end=$enc_end, encoded='$str'<br>\n";
}
if (!$enc_start)
{
return $subject;
}
$str = '';
foreach ($strs as $w => $s)
{
$str .= $str != '' ? ' ' : '';
if ($enc_start == $w+1) // first word to encode
{
$str .= '=?'.$this->charset.'?Q?';
}
$str .= $w+1 > $enc_end ? str_replace('=3D','=',$s) : $s;
if ($enc_end == $w+1) // last word to encode
{
$str .= '?=';
}
}
//echo "<p>send::encode_subject('$subject')='$str'</p>\n";
return $str;
}
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function socket2msg($socket)
{
$followme = '-';
$this->err['msg'] = '';
do
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{
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$rmsg = fgets($socket,255);
// echo "< $rmsg<BR>\n";
$this->err['code'] = substr($rmsg,0,3);
$followme = substr($rmsg,3,1);
$this->err['msg'] = substr($rmsg,4);
if (substr($this->err["code"],0,1) != 2 && substr($this->err["code"],0,1) != 3)
{
$rc = fclose($socket);
return False;
}
if ($followme = ' ')
{
break;
}
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}
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while ($followme = '-');
return True;
}
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function msg2socket($socket,$message)
{
// send single line\n
// echo "raw> $message<BR>\n";
// echo "hex> ".bin2hex($message)."<BR>\n";
$rc = fputs($socket,"$message");
if (!$rc)
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{
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$this->err['code'] = '420';
$this->err['msg'] = 'lost connection';
$this->err['desc'] = 'Lost connection to smtp server.';
$rc = fclose($socket);
return False;
}
return True;
}
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function put2socket($socket,$message)
{
// check for multiple lines 1st
$pos = strpos($message,"\n");
if (!is_int($pos))
{
// no new line found
$message .= "\r\n";
$this->msg2socket($socket,$message);
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}
else
{
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// multiple lines, we have to split it
do
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{
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$msglen = $pos + 1;
$msg = substr($message,0,$msglen);
$message = substr($message,$msglen);
$pos = strpos($msg,"\r\n");
if (!is_int($pos))
{
// line not terminated
$msg = chop($msg)."\r\n";
}
$pos = strpos($msg,'.'); // escape leading periods
if (is_int($pos) && !$pos)
{
$msg = '.' . $msg;
}
if (!$this->msg2socket($socket,$msg))
{
return False;
}
$pos = strpos($message,"\n");
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}
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while (strlen($message)>0);
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}
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return True;
}
function check_header($subject,$header)
{
// check if header contains subject and is correctly terminated
$header = chop($header);
$header .= "\n";
if (is_string($subject) && !$subject)
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{
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// no subject specified
return $header;
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}
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$theader = strtolower($header);
$pos = strpos($theader,"\nsubject:");
if (is_int($pos))
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{
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// found after a new line
return $header;
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}
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$pos = strpos($theader,'subject:');
if (is_int($pos) && !$pos)
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{
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// found at start
return $header;
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}
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$pos = substr($subject,"\n");
if (!is_int($pos))
{
$subject .= "\n";
}
$subject = 'Subject: ' .$subject;
$header .= $subject;
return $header;
}
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function sig_html_to_text($sig)
{
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// convert HTML chars for ' and " in the email sig to normal text
$sig_clean = $sig;
$sig_clean = ereg_replace('&quot;', '"', $sig_clean);
$sig_clean = ereg_replace('&#039;', '\'', $sig_clean);
return $sig_clean;
}
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// ==============================================[ main function: smail() ]===
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function smail($to,$subject,$message,$header)
{
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$fromuser = $GLOBALS['phpgw_info']['user']['preferences']['email']['address'];
$mymachine = $GLOBALS['phpgw_info']['server']['hostname'];
// error code and message of failed connection
$errcode = '';
$errmsg = '';
// timeout in secs
$timeout = 5;
// now we try to open the socket and check, if any smtp server responds
$smtp_port = $GLOBALS['phpgw_info']['server']['smtp_port'] ? $GLOBALS['phpgw_info']['server']['smtp_port'] : 25;
$socket = fsockopen($GLOBALS['phpgw_info']['server']['smtp_server'],$smtp_port,$errcode,$errmsg,$timeout);
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if (!$socket)
{
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$this->err['code'] = '420';
$this->err['msg'] = $errcode . ':' . $errmsg;
$this->err['desc'] = 'Connection to '.$GLOBALS['phpgw_info']['server']['smtp_server'].':'.$GLOBALS['phpgw_info']['server']['smtp_port'].' failed - could not open socket.';
return False;
}
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else
{
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$rrc = $this->socket2msg($socket);
}
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// now we can send our message. 1st we identify ourselves and the sender
$cmds = array (
"\$src = \$this->msg2socket(\$socket,\"HELO \$mymachine\r\n\");",
"\$rrc = \$this->socket2msg(\$socket);",
"\$src = \$this->msg2socket(\$socket,\"MAIL FROM:<\$fromuser>\r\n\");",
"\$rrc = \$this->socket2msg(\$socket);"
);
for ($src=True,$rrc=True,$i=0; $i<count($cmds);$i++)
{
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eval ($cmds[$i]);
if (!$src || !$rrc)
{
return False;
}
}
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// now we've got to evaluate the $to's
$toaddr = explode(",",$to);
$numaddr = count($toaddr);
for ($i=0; $i<$numaddr; $i++)
{
$src = $this->msg2socket($socket,'RCPT TO:<'.$toaddr[$i].">\r\n");
$rrc = $this->socket2msg($socket);
// for lateron validation
$this->to_res[$i]['addr'] = $toaddr[$i];
$this->to_res[$i]['code'] = $this->err['code'];
$this->to_res[$i]['msg'] = $this->err['msg'];
$this->to_res[$i]['desc'] = $this->err['desc'];
}
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//now we have to make sure that at least one $to-address was accepted
$stop = 1;
for ($i=0;$i<count($this->to_res);$i++)
{
$rc = substr($this->to_res[$i]['code'],0,1);
if ($rc == 2)
{
// at least to this address we can deliver
$stop = 0;
}
}
if ($stop)
{
// no address found we can deliver to
return False;
}
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// now we can go to deliver the message!
if (!$this->msg2socket($socket,"DATA\r\n"))
{
return False;
}
if (!$this->socket2msg($socket))
{
return False;
}
if ($header != "")
{
$header = $this->check_header($subject,$header);
if (!$this->put2socket($socket,$header))
{
return False;
}
if (!$this->put2socket($socket,"\r\n"))
{
return False;
}
}
$message = chop($message);
$message .= "\n";
if (!$this->put2socket($socket,$message))
{
return False;
}
if (!$this->msg2socket($socket,".\r\n"))
{
return False;
}
if (!$this->socket2msg($socket))
{
return False;
}
if (!$this->msg2socket($socket,"QUIT\r\n"))
{
return False;
}
do
{
$closing = $this->socket2msg($socket);
}
while ($closing);
return True;
}
} /* end of class */