File: /home/asjudine/www/correo/class/deliver/Deliver.class.php
<?php
/**
* Deliver.class.php
*
* Copyright (c) 1999-2003 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This contains all the functions needed to send messages through
* a delivery backend.
*
* $Id: Deliver.class.php,v 1.18 2003/03/07 22:12:06 stekkel Exp $
*/
class Deliver {
function mail($message, $stream=false) {
$rfc822_header = $message->rfc822_header;
if (count($message->entities)) {
$boundary = $this->mimeBoundary();
$rfc822_header->content_type->properties['boundary']='"'.$boundary.'"';
} else {
$boundary='';
}
$raw_length = 0;
$reply_rfc822_header = (isset($message->reply_rfc822_header)
? $message->reply_rfc822_header : '');
$header = $this->prepareRFC822_Header($rfc822_header, $reply_rfc822_header, $raw_length);
if ($stream) {
$this->preWriteToStream($header);
$this->writeToStream($stream, $header);
}
$this->writeBody($message, $stream, $raw_length, $boundary);
return $raw_length;
}
function writeBody($message, $stream, &$length_raw, $boundary='') {
if ($boundary && !$message->rfc822_header) {
$s = '--'.$boundary."\r\n";
$s .= $this->prepareMIME_Header($message, $boundary);
$length_raw += strlen($s);
if ($stream) {
$this->preWriteToStream($s);
$this->writeToStream($stream, $s);
}
}
$this->writeBodyPart($message, $stream, $length_raw);
$boundary_depth = substr_count($message->entity_id,'.');
if ($boundary_depth) {
$boundary .= '_part'.$boundary_depth;
}
$last = false;
for ($i=0, $entCount=count($message->entities);$i<$entCount;$i++) {
$msg = $this->writeBody($message->entities[$i], $stream, $length_raw, $boundary);
if ($i == $entCount-1) $last = true;
}
if ($boundary && $last) {
$s = "--".$boundary."--\r\n\r\n";
$length_raw += strlen($s);
if ($stream) {
$this->preWriteToStream($s);
$this->writeToStream($stream, $s);
}
}
}
function writeBodyPart($message, $stream, &$length) {
if ($message->mime_header) {
$type0 = $message->mime_header->type0;
} else {
$type0 = $message->rfc822_header->content_type->type0;
}
$body_part_trailing = $last = '';
switch ($type0) {
case 'text':
case 'message':
if ($message->body_part) {
$body_part = $message->body_part;
$length += $this->clean_crlf($body_part);
if ($stream) {
$this->preWriteToStream($body_part);
$this->writeToStream($stream, $body_part);
}
$last = $body_part;
} elseif ($message->att_local_name) {
$filename = $message->att_local_name;
$file = fopen ($filename, 'rb');
while ($body_part = fgets($file, 4096)) {
$length += $this->clean_crlf($body_part);
if ($stream) {
$this->preWriteToStream($body_part);
$this->writeToStream($stream, $body_part);
}
$last = $body_part;
}
fclose($file);
}
break;
default:
if ($message->body_part) {
$body_part = $message->body_part;
$length += $this->clean_crlf($body_part);
if ($stream) {
$this->writeToStream($stream, $body_part);
}
} elseif ($message->att_local_name) {
$filename = $message->att_local_name;
$file = fopen ($filename, 'rb');
$encoded = '';
while ($tmp = fread($file, 570)) {
$body_part = chunk_split(base64_encode($tmp));
$length += $this->clean_crlf($body_part);
if ($stream) {
$this->writeToStream($stream, $body_part);
}
}
fclose($file);
}
break;
}
$body_part_trailing = '';
if ($last && substr($last,-1) != "\n") {
$body_part_trailing = "\r\n";
}
if ($body_part_trailing) {
$length += strlen($body_part_trailing);
if ($stream) {
$this->preWriteToStream($body_part_trailing);
$this->writeToStream($stream, $body_part_trailing);
}
}
}
function clean_crlf(&$s) {
$s = str_replace("\r\n", "\n", $s);
$s = str_replace("\r", "\n", $s);
$s = str_replace("\n", "\r\n", $s);
return strlen($s);
}
function strip_crlf(&$s) {
$s = str_replace("\r\n ", '', $s);
$s = str_replace("\r", '', $s);
$s = str_replace("\n", '', $s);
}
function preWriteToStream(&$s) {
}
function writeToStream($stream, $data) {
fputs($stream, $data);
}
function initStream($message, $length=0, $host='', $port='', $user='', $pass='') {
return $stream;
}
function getBcc() {
return false;
}
function prepareMIME_Header($message, $boundary) {
$mime_header = $message->mime_header;
$rn="\r\n";
$header = array();
$contenttype = 'Content-Type: '. $mime_header->type0 .'/'.
$mime_header->type1;
if (count($message->entities)) {
$contenttype .= ";\r\n " . 'boundary="'.$boundary.'"';
}
if (isset($mime_header->parameters['name'])) {
$contenttype .= '; name="'.
encodeHeader($mime_header->parameters['name']). '"';
}
if (isset($mime_header->parameters['charset'])) {
$charset = $mime_header->parameters['charset'];
$contenttype .= '; charset="'.
encodeHeader($charset). '"';
}
$header[] = $contenttype . $rn;
if ($mime_header->description) {
$header[] .= 'Content-Description: ' . $mime_header->description . $rn;
}
if ($mime_header->encoding) {
$encoding = $mime_header->encoding;
$header[] .= 'Content-Transfer-Encoding: ' . $mime_header->encoding . $rn;
} else {
if ($mime_header->type0 == 'text' || $mime_header->type0 == 'message') {
$header[] .= 'Content-Transfer-Encoding: 8bit' . $rn;
} else {
$header[] .= 'Content-Transfer-Encoding: base64' . $rn;
}
}
if ($mime_header->id) {
$header[] .= 'Content-ID: ' . $mime_header->id . $rn;
}
if ($mime_header->disposition) {
$disposition = $mime_header->disposition;
$contentdisp = 'Content-Disposition: ' . $disposition->name;
if ($disposition->getProperty('filename')) {
$contentdisp .= '; filename="'.
encodeHeader($disposition->getProperty('filename')). '"';
}
$header[] = $contentdisp . $rn;
}
if ($mime_header->md5) {
$header[] .= 'Content-MD5: ' . $mime_header->md5 . $rn;
}
if ($mime_header->language) {
$header[] .= 'Content-Language: ' . $mime_header->language . $rn;
}
$cnt = count($header);
$hdr_s = '';
for ($i = 0 ; $i < $cnt ; $i++) {
$hdr_s .= $this->foldLine($header[$i], 78,str_pad('',4));
}
$header = $hdr_s;
$header .= $rn; /* One blank line to separate mimeheader and body-entity */
return $header;
}
function prepareRFC822_Header($rfc822_header, $reply_rfc822_header, &$raw_length) {
global $domain, $version, $username;
/* if server var SERVER_NAME not available, use $domain */
if(!sqGetGlobalVar('SERVER_NAME', $SERVER_NAME, SQ_SERVER)) {
$SERVER_NAME = $domain;
}
sqGetGlobalVar('REMOTE_ADDR', $REMOTE_ADDR, SQ_SERVER);
sqGetGlobalVar('REMOTE_PORT', $REMOTE_PORT, SQ_SERVER);
sqGetGlobalVar('REMOTE_HOST', $REMOTE_HOST, SQ_SERVER);
sqGetGlobalVar('HTTP_VIA', $HTTP_VIA, SQ_SERVER);
sqGetGlobalVar('HTTP_X_FORWARDED_FOR', $HTTP_X_FORWARDED_FOR, SQ_SERVER);
$rn = "\r\n";
/* This creates an RFC 822 date */
$date = date('D, j M Y H:i:s ', mktime()) . $this->timezone();
/* Create a message-id */
$message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.';
$message_id .= time() . '.squirrel@' . $SERVER_NAME .'>';
/* Make an RFC822 Received: line */
if (isset($REMOTE_HOST)) {
$received_from = "$REMOTE_HOST ([$REMOTE_ADDR])";
} else {
$received_from = $REMOTE_ADDR;
}
if (isset($HTTP_VIA) || isset ($HTTP_X_FORWARDED_FOR)) {
if (!isset($HTTP_X_FORWARDED_FOR) || $HTTP_X_FORWARDED_FOR == '') {
$HTTP_X_FORWARDED_FOR = 'unknown';
}
$received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)";
}
$header = array();
$header[] = "Received: from $received_from" . $rn;
$header[] = " (SquirrelMail authenticated user $username)" . $rn;
$header[] = " by $SERVER_NAME with HTTP;" . $rn;
$header[] = " $date" . $rn;
/* Insert the rest of the header fields */
$header[] = 'Message-ID: '. $message_id . $rn;
if ($reply_rfc822_header->message_id) {
$rep_message_id = $reply_rfc822_header->message_id;
// $this->strip_crlf($message_id);
$header[] = 'In-Reply-To: '.$rep_message_id . $rn;
$references = $this->calculate_references($reply_rfc822_header);
$header[] = 'References: '.$references . $rn;
}
$header[] = "Date: $date" . $rn;
$header[] = 'Subject: '.encodeHeader($rfc822_header->subject) . $rn;
$header[] = 'From: '. $rfc822_header->getAddr_s('from',',',true) . $rn;
/* RFC2822 if from contains more then 1 address */
if (count($rfc822_header->from) > 1) {
$header[] = 'Sender: '. $rfc822_header->getAddr_s('sender',',',true) . $rn;
}
if (count($rfc822_header->to)) {
$header[] = 'To: '. $rfc822_header->getAddr_s('to',',',true) . $rn;
}
if (count($rfc822_header->cc)) {
$header[] = 'Cc: '. $rfc822_header->getAddr_s('cc',',',true) . $rn;
}
if (count($rfc822_header->reply_to)) {
$header[] = 'Reply-To: '. $rfc822_header->getAddr_s('reply_to',',',true) . $rn;
}
/* Sendmail should return true. Default = false */
$bcc = $this->getBcc();
if (count($rfc822_header->bcc)) {
$s = 'Bcc: '. $rfc822_header->getAddr_s('bcc',',',true) . $rn;
if (!$bcc) {
$s = $this->foldLine($s, 78, str_pad('',4));
$raw_length += strlen($s);
} else {
$header[] = $s;
}
}
/* Identify SquirrelMail */
$header[] = 'User-Agent: SquirrelMail/' . $version . $rn;
/* Do the MIME-stuff */
$header[] = 'MIME-Version: 1.0' . $rn;
$contenttype = 'Content-Type: '. $rfc822_header->content_type->type0 .'/'.
$rfc822_header->content_type->type1;
if (count($rfc822_header->content_type->properties)) {
foreach ($rfc822_header->content_type->properties as $k => $v) {
if ($k && $v) {
$contenttype .= ';' .$k.'='.$v;
}
}
}
$header[] = $contenttype . $rn;
if ($rfc822_header->dnt) {
$dnt = $rfc822_header->getAddr_s('dnt');
/* Pegasus Mail */
$header[] = 'X-Confirm-Reading-To: '.$dnt. $rn;
/* RFC 2298 */
$header[] = 'Disposition-Notification-To: '.$dnt. $rn;
}
if ($rfc822_header->priority) {
$prio = $rfc822_header->priority;
$header[] = 'X-Priority: '.$prio. $rn;
switch($prio) {
case 1: $header[] = 'Importance: High'. $rn; break;
case 3: $header[] = 'Importance: Normal'. $rn; break;
case 5: $header[] = 'Importance: Low'. $rn; break;
default: break;
}
}
/* Insert headers from the $more_headers array */
if(count($rfc822_header->more_headers)) {
reset($rfc822_header->more_headers);
foreach ($rfc822_header->more_headers as $k => $v) {
$header[] = $k.': '.$v .$rn;
}
}
$cnt = count($header);
$hdr_s = '';
for ($i = 0 ; $i < $cnt ; $i++) {
$hdr_s .= $this->foldLine($header[$i], 78, str_pad('',4));
}
// $debug = "Debug: <123456789012345678901234567890123456789012345678901234567890123456789>\r\n";
// $this->foldLine($debug, 78, str_pad('',4));
$header = $hdr_s;
$header .= $rn; /* One blank line to separate header and body */
$raw_length += strlen($header);
return $header;
}
/*
* function for cleanly folding of headerlines
*/
function foldLine($line, $length, $pre='') {
$line = substr($line,0, -2);
$length -= 2; /* do not fold between \r and \n */
$cnt = strlen($line);
if ($cnt > $length) { /* try folding */
$fold_string = "\r\n " . $pre;
$bFirstFold = false;
$aFoldLine = array();
while (strlen($line) > $length) {
$fold = false;
/* handle encoded parts */
if (preg_match('/(=\?([^?]*)\?(Q|B)\?([^?]*)\?=)(.*)/Ui',$line,$regs)) {
$fold_tmp = $regs[1];
$iPosEnc = strpos($line,$fold_tmp);
$iLengthEnc = strlen($fold_tmp);
$iPosEncEnd = $iPosEnc+$iLengthEnc;
if ($iPosEnc < $length && (($iPosEncEnd) > $length)) {
$fold = true;
/* fold just before the start of the encoded string */
$aFoldLine[] = substr($line,0,$iPosEnc);
$line = substr($line,$iPosEnc);
if (!$bFirstFold) {
$bFirstFold = true;
$length -= strlen($fold_string);
}
if ($iLengthEnc > $length) { /* place the encoded
string on a separate line and do not fold inside it*/
/* minimize foldstring */
$fold_string = "\r\n ";
$aFoldLine[] = substr($line,0,$iLengthEnc);
$line = substr($line,$iLengthEnc);
}
} else if ($iPosEnc < $length) { /* the encoded string fits into the foldlength */
/*remainder */
$sLineRem = substr($line,$iPosEncEnd,$length - $iPosEncEnd);
if (preg_match('/^(=\?([^?]*)\?(Q|B)\?([^?]*)\?=)(.*)/Ui',$sLineRem) || !preg_match('/[=,;\s]/',$sLineRem)) {
/*impossible to fold clean in the next part -> fold after the enc string */
$aFoldLine[] = substr($line,0,$iPosEncEnd+1);
$line = substr($line,$iPosEncEnd+1);
$fold = true;
if (!$bFirstFold) {
$bFirstFold = true;
$length -= strlen($fold_string);
}
}
}
}
if (!$fold) {
$line_tmp = substr($line,0,$length);
$iFoldPos = false;
/* try to fold at logical places */
switch (true)
{
case ($iFoldPos = strrpos($line_tmp,',')): break;
case ($iFoldPos = strrpos($line_tmp,';')): break;
case ($iFoldPos = strrpos($line_tmp,' ')): break;
case ($iFoldPos = strrpos($line_tmp,'=')): break;
default: break;
}
if (!$iFoldPos) { /* clean folding didn't work */
$iFoldPos = $length;
}
$aFoldLine[] = substr($line,0,$iFoldPos+1);
$line = substr($line,$iFoldPos+1);
if (!$bFirstFold) {
$bFirstFold = true;
$length -= strlen($fold_string);
}
}
}
/*$reconstruct the line */
if ($line) {
$aFoldLine[] = $line;
}
$line = implode($fold_string,$aFoldLine);
}
return $line."\r\n";
}
function mimeBoundary () {
static $mimeBoundaryString;
if ( !isset( $mimeBoundaryString ) ||
$mimeBoundaryString == '') {
$mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' .
mt_rand( 10000, 99999 );
}
return $mimeBoundaryString;
}
/* Time offset for correct timezone */
function timezone () {
global $invert_time;
$diff_second = date('Z');
if ($invert_time) {
$diff_second = - $diff_second;
}
if ($diff_second > 0) {
$sign = '+';
} else {
$sign = '-';
}
$diff_second = abs($diff_second);
$diff_hour = floor ($diff_second / 3600);
$diff_minute = floor (($diff_second-3600*$diff_hour) / 60);
$zonename = '('.strftime('%Z').')';
$result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute,
$zonename);
return ($result);
}
function calculate_references($hdr) {
$refer = $hdr->references;
$message_id = $hdr->message_id;
$in_reply_to = $hdr->in_reply_to;
if (strlen($refer) > 2) {
$refer .= ' ' . $message_id;
} else {
if ($in_reply_to) {
$refer .= $in_reply_to . ' ' . $message_id;
} else {
$refer .= $message_id;
}
}
trim($refer);
return $refer;
}
}
?>