<?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.
+ *
+ * $Id$
+ */
+
class Deliver {
- function prepareMIME_Header($message, $rn) {
- $mime_header = $message->header;
+ function mail($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->contenttype->type0 .'/'.
- $mime_header->contenttype->type1;
+
+ $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 .= ";\r\n " . '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) {
- $contentdisp .= 'Content-Disposition: ' . $mime_header->disposition;
- if (isset($mime_header->parameters['filename'])) {
- $contentdisp .= ";\r\n " . 'filename="'.
- encodeHeader($mime_header->parameters['filename']). '"';
+ $disposition = $mime_header->disposition;
+ $contentdisp = 'Content-Disposition: ' . $disposition->name;
+ if ($disposition->getProperty('filename')) {
+ $contentdisp .= '; filename="'.
+ encodeHeader($disposition->getProperty('filename')). '"';
}
$header[] = $contentdisp . $rn;
}
$cnt = count($header);
$hdr_s = '';
for ($i = 0 ; $i < $cnt ; $i++) {
- $hdr_s .= foldLine($header[$i], 78, ' ');
+ $hdr_s .= $this->foldLine($header[$i], 78,str_pad('',4));
}
$header = $hdr_s;
- $header .= $rn; /* One blank line to separate header and body */
+ $header .= $rn; /* One blank line to separate mimeheader and body-entity */
+ return $header;
}
- function prepareRFC822_Header($rfc822_header) {
- global $REMOTE_ADDR, $SERVER_NAME, $REMOTE_PORT;
- global $version, $useSendmail, $username;
- global $HTTP_VIA, $HTTP_X_FORWARDED_FOR;
- global $REMOTE_HOST;
-
+ function prepareRFC822_Header($rfc822_header, $reply_rfc822_header, &$raw_length) {
+ $REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
+ $SERVER_NAME = $_SERVER['SERVER_NAME'];
+ $REMOTE_PORT = $_SERVER['REMOTE_PORT'];
+ if(isset($_SERVER['REMOTE_HOST'])) {
+ $REMOTE_HOST = $_SERVER['REMOTE_HOST'];
+ }
+ if(isset($_SERVER['HTTP_VIA'])) {
+ $HTTP_VIA = $_SERVER['HTTP_VIA'];
+ }
+ if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+ $HTTP_X_FORWARDED_FOR = $_SERVER['HTTP_X_FORWARDED_FOR'];
+ }
+ global $version, $username;
+ $rn = "\r\n";
/* This creates an RFC 822 date */
- $date = date("D, j M Y H:i:s ", mktime()) . timezone();
+ $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 ($HTTP_X_FORWARDED_FOR)) {
- if ($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;
- $header[] = "Date: $date" . $rn;
- $header[] = 'Subject: '.encodeHeader($rfc822_header->subject) . $rn;
- $header[] = 'From: '. encodeHeader($rfc822_header->getAddr_s('from')) . $rn;
- if (count($rfc822_header->from) > 1) /* RFC2822 if from contains
- more then 1 address */
- {
- $header[] = 'Sender: '. encodeHeader($rfc822_header->getAddr_s('sender')) . $rn;
- }
- $header[] = 'To: '. encodeHeader($rfc822_header->getAddr_s('to')) . $rn; // Who it's TO
- if (count($rfc_header->cc))
- {
- $header[] = 'Cc: '. encodeHeader($rfc822_header->getAddr_s('cc')) . $rn;
- }
- if (count($rfc822_header->$reply_to))
- {
- $header[] = 'Reply-To: '. encodeHeader($rfc822_header->getAddr_s('reply_to')) . $rn;
- }
- if (count($rfc_header->bcc) && $useSendmail)
- {
- $header[] = 'Bcc: '. encodeHeader($rfc822_header->getAddr_s('bcc')) . $rn;
- }
- /* Identify SquirrelMail */
- $header[] = "X-Mailer: SquirrelMail (version $version)" . $rn;
- /* Do the MIME-stuff */
- $header[] = "MIME-Version: 1.0" . $rn;
- $contenttype = 'Content-Type: '. $rfc822_header->contenttype->type0 .'/'.
- $rfc822_header->contenttype->type1;
- if (count($rfc822_header->contenttype->properties))
- {
- foreach ($rfc822_header->contenttype->properties as $k => $v)
- {
- $contenttype .= ';'. "\r\n " .$k.'='.$v; /* FOLDING */
+ if (isset($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;
}
- $header[] = $contenttype . $rn;
- if ($rfc822_header->dnt)
- {
- $dnt = $rfc822_header->getAddr_s('dnt');
- /* Pegasus Mail */
- $header[] = 'X-Confirm-Reading-To: '.$dnt;
- /* RFC 2298 */
- $header[] = 'Disposition-Notification-To: '.$dnt;
- }
- if ($rfc822_header->priority)
- {
- $prio = $rfc822_header->priority;
- $header[] = 'X-Priority: '.$prio;
- switch($prio)
- {
- case 1:
- $header[] = 'Importance: High';
- $header[] = 'X-MSMail-Priority: High';
- break;
- case 3:
- $header[] = 'Importance: Normal';
- $header[] = 'X-MSMail-Priority: Normal';
- break;
- case 5:
- $header[] = 'Importance: Low';
- $header[] = 'X-MSMail-Priority: Low';
- break;
- default:
- break;
+
+ /*
+ * function for cleanly folding of headerlines
+ */
+ function foldLine($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) {
+ $fold = false;
+ /* handle encoded parts */
+ if (preg_match('/(=\?.+\?.+\?.+\?=)/',$line,$regs)) {
+ $fold_tmp = $regs[1];
+ $iPosEnc = strpos($line,$fold_tmp);
+ $iLengthEnc = strlen($fold_tmp);
+ if ($iPosEnc < $length && ($iPosEnc + $iLengthEnc > $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 > $length) { /* place the encoded
+ string on a separate line and do not fold inside it*/
+ if ($iLengthEnc < (998 - strlen($fold_string))) {
+ $aFoldLine[] = substr($line,0,$iLengthEnc);
+ $line = substr($line,$iLengthEnc);
+ } else { /* line is too long, continue with normal folding */
+ $fold = false;
+ }
+ }
+ } else { /* the encoded string fits into the foldlength */
+ /*remainder */
+ $iPosEncEnd = $iPosEnc+$iLengthEnc;
+ $sLineRem = substr($line,$iPosEncEnd,$length - $iPosEncEnd);
+ if (!preg_match('/[=,;\s]/',$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";
}
- /* Insert headers from the $more_headers array */
- if(count($more_headers))
- {
- reset($more_headers);
- foreach ($more_headers as $k => $v)
- {
- $header[] = $k.': '.$v;
- }
- }
- $cnt = count($header);
- $hdr_s = '';
- for ($i = 0 ; $i < $cnt ; $i++)
- {
- $hdr_s .= foldLine($header[$i], 78, ' ');
+
+ function mimeBoundary () {
+ static $mimeBoundaryString;
+
+ if ( !isset( $mimeBoundaryString ) ||
+ $mimeBoundaryString == '') {
+ $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' .
+ mt_rand( 10000, 99999 );
+ }
+ return $mimeBoundaryString;
}
- $header = $hdr_s;
- $header .= $rn; /* One blank line to separate header and body */
- $headerlength = strlen($header);
-
- /* Write the header */
- if ($fp) fputs ($fp, $header);
+
+ /* Time offset for correct timezone */
+ function timezone () {
+ global $invert_time;
- return $headerlength;
+ $diff_second = date('Z');
+ if ($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 for cleanly folding of headerlines
- */
- function foldLine($line, $length, $pre) {
- $cnt = strlen($line);
- $res = '';
- if ($cnt > $lenght)
- {
- $fold_string = $pre.' '."\r\n";
- for ($i=0;$i<($cnt-$length);$i++)
- {
- $fold_pos = 0;
- /* first try to fold at delimiters */
- for ($j=($i+$length); $j>$i; $j--)
- {
- switch ($line{$j})
- {
- case (','):
- case (';'):
- $fold_pos = $j;
- break;
- default:
- break;
- }
- if ($fold_pos)
- {
- $j=$i;
- }
- }
- if (!$fold_pos)
- {
- /* not succeed yet so we try at spaces and = */
- for ($j=($i+$length); $j>$i; $j--)
- {
- switch ($line{$j})
- {
- case (' '):
- case ('='):
- $fold_pos = $j;
- break;
- default:
- break;
- }
- if ($fold_pos)
- {
- $j=$i;
- }
- }
- }
- if (!$fold_pos)
- {
- /* clean folding didn't work */
- $fold_pos = $i+$length;
- }
- $line = substr_replace($line,$line{$fold_pos}.$fold_string,$fold_pos,1);
- $cnt += strlen($fold_string);
- $i = $j + strlen($fold_string);
- }
+ 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;
}
- return $line;
- }
}
?>
-
projects / squirrelmail.git / blobdiff