6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
7 * Licensed under the GNU GPL. For full terms see the file COPYING.
9 * This contains all the functions needed to send messages through
17 function mail($message, $stream=false) {
18 $rfc822_header = $message->rfc822_header
;
19 if (count($message->entities
)) {
20 $boundary = $this->mimeBoundary();
21 $rfc822_header->content_type
->properties
['boundary']='"'.$boundary.'"';
26 $reply_rfc822_header = (isset($message->reply_rfc822_header
)
27 ?
$message->reply_rfc822_header
: '');
28 $header = $this->prepareRFC822_Header($rfc822_header, $reply_rfc822_header, $raw_length);
31 $this->preWriteToStream($header);
32 $this->writeToStream($stream, $header);
34 $this->writeBody($message, $stream, $raw_length, $boundary);
38 function writeBody($message, $stream, &$length_raw, $boundary='') {
39 if ($boundary && !$message->rfc822_header
) {
40 $s = '--'.$boundary."\r\n";
41 $s .= $this->prepareMIME_Header($message, $boundary);
42 $length_raw +
= strlen($s);
44 $this->preWriteToStream($s);
45 $this->writeToStream($stream, $s);
48 $this->writeBodyPart($message, $stream, $length_raw);
49 $boundary_depth = substr_count($message->entity_id
,'.');
50 if ($boundary_depth) {
51 $boundary .= '_part'.$boundary_depth;
54 for ($i=0, $entCount=count($message->entities
);$i<$entCount;$i++
) {
55 $msg = $this->writeBody($message->entities
[$i], $stream, $length_raw, $boundary);
56 if ($i == $entCount-1) $last = true;
58 if ($boundary && $last) {
59 $s = "--".$boundary."--\r\n\r\n";
60 $length_raw +
= strlen($s);
62 $this->preWriteToStream($s);
63 $this->writeToStream($stream, $s);
68 function writeBodyPart($message, $stream, &$length) {
69 if ($message->mime_header
) {
70 $type0 = $message->mime_header
->type0
;
72 $type0 = $message->rfc822_header
->content_type
->type0
;
75 $body_part_trailing = $last = '';
79 if ($message->body_part
) {
80 $body_part = $message->body_part
;
81 $length +
= $this->clean_crlf($body_part);
83 $this->preWriteToStream($body_part);
84 $this->writeToStream($stream, $body_part);
87 } elseif ($message->att_local_name
) {
88 $filename = $message->att_local_name
;
89 $file = fopen ($filename, 'rb');
90 while ($body_part = fgets($file, 4096)) {
91 $length +
= $this->clean_crlf($body_part);
93 $this->preWriteToStream($body_part);
94 $this->writeToStream($stream, $body_part);
102 if ($message->body_part
) {
103 $body_part = $message->body_part
;
104 $length +
= $this->clean_crlf($body_part);
106 $this->writeToStream($stream, $body_part);
108 } elseif ($message->att_local_name
) {
109 $filename = $message->att_local_name
;
110 $file = fopen ($filename, 'rb');
112 while ($tmp = fread($file, 570)) {
113 $body_part = chunk_split(base64_encode($tmp));
114 $length +
= $this->clean_crlf($body_part);
116 $this->writeToStream($stream, $body_part);
123 $body_part_trailing = '';
124 if ($last && substr($last,-1) != "\n") {
125 $body_part_trailing = "\r\n";
127 if ($body_part_trailing) {
128 $length +
= strlen($body_part_trailing);
130 $this->preWriteToStream($body_part_trailing);
131 $this->writeToStream($stream, $body_part_trailing);
136 function clean_crlf(&$s) {
137 $s = str_replace("\r\n", "\n", $s);
138 $s = str_replace("\r", "\n", $s);
139 $s = str_replace("\n", "\r\n", $s);
143 function preWriteToStream(&$s) {
146 function writeToStream($stream, $data) {
147 fputs($stream, $data);
150 function initStream($message, $length=0, $host='', $port='', $user='', $pass='') {
158 function prepareMIME_Header($message, $boundary) {
159 $mime_header = $message->mime_header
;
163 $contenttype = 'Content-Type: '. $mime_header->type0
.'/'.
165 if (count($message->entities
)) {
166 $contenttype .= ";\r\n " . 'boundary="'.$boundary.'"';
168 if (isset($mime_header->parameters
['name'])) {
169 $contenttype .= '; name="'.
170 encodeHeader($mime_header->parameters
['name']). '"';
172 if (isset($mime_header->parameters
['charset'])) {
173 $charset = $mime_header->parameters
['charset'];
174 $contenttype .= '; charset="'.
175 encodeHeader($charset). '"';
179 $header[] = $contenttype . $rn;
180 if ($mime_header->description
) {
181 $header[] .= 'Content-Description: ' . $mime_header->description
. $rn;
183 if ($mime_header->encoding
) {
184 $encoding = $mime_header->encoding
;
185 $header[] .= 'Content-Transfer-Encoding: ' . $mime_header->encoding
. $rn;
187 if ($mime_header->type0
== 'text' ||
$mime_header->type0
== 'message') {
188 $header[] .= 'Content-Transfer-Encoding: 8bit' . $rn;
190 $header[] .= 'Content-Transfer-Encoding: base64' . $rn;
193 if ($mime_header->id
) {
194 $header[] .= 'Content-ID: ' . $mime_header->id
. $rn;
196 if ($mime_header->disposition
) {
197 $disposition = $mime_header->disposition
;
198 $contentdisp = 'Content-Disposition: ' . $disposition->name
;
199 if ($disposition->getProperty('filename')) {
200 $contentdisp .= '; filename="'.
201 encodeHeader($disposition->getProperty('filename')). '"';
203 $header[] = $contentdisp . $rn;
205 if ($mime_header->md5
) {
206 $header[] .= 'Content-MD5: ' . $mime_header->md5
. $rn;
208 if ($mime_header->language
) {
209 $header[] .= 'Content-Language: ' . $mime_header->language
. $rn;
212 $cnt = count($header);
214 for ($i = 0 ; $i < $cnt ; $i++
) {
215 $hdr_s .= $this->foldLine($header[$i], 78,str_pad('',4));
218 $header .= $rn; /* One blank line to separate mimeheader and body-entity */
222 function prepareRFC822_Header($rfc822_header, $reply_rfc822_header, &$raw_length) {
223 $REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
224 $SERVER_NAME = $_SERVER['SERVER_NAME'];
225 $REMOTE_PORT = $_SERVER['REMOTE_PORT'];
226 if(isset($_SERVER['REMOTE_HOST'])) {
227 $REMOTE_HOST = $_SERVER['REMOTE_HOST'];
229 if(isset($_SERVER['HTTP_VIA'])) {
230 $HTTP_VIA = $_SERVER['HTTP_VIA'];
232 if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
233 $HTTP_X_FORWARDED_FOR = $_SERVER['HTTP_X_FORWARDED_FOR'];
235 global $version, $username;
237 /* This creates an RFC 822 date */
238 $date = date("D, j M Y H:i:s ", mktime()) . $this->timezone();
239 /* Create a message-id */
240 $message_id = '<' . $REMOTE_PORT . '.' . $REMOTE_ADDR . '.';
241 $message_id .= time() . '.squirrel@' . $SERVER_NAME .'>';
242 /* Make an RFC822 Received: line */
243 if (isset($REMOTE_HOST)) {
244 $received_from = "$REMOTE_HOST ([$REMOTE_ADDR])";
246 $received_from = $REMOTE_ADDR;
248 if (isset($HTTP_VIA) ||
isset ($HTTP_X_FORWARDED_FOR)) {
249 if ($HTTP_X_FORWARDED_FOR == '') {
250 $HTTP_X_FORWARDED_FOR = 'unknown';
252 $received_from .= " (proxying for $HTTP_X_FORWARDED_FOR)";
255 $header[] = "Received: from $received_from" . $rn;
256 $header[] = " (SquirrelMail authenticated user $username)" . $rn;
257 $header[] = " by $SERVER_NAME with HTTP;" . $rn;
258 $header[] = " $date" . $rn;
259 /* Insert the rest of the header fields */
260 $header[] = 'Message-ID: '. $message_id . $rn;
261 if ($reply_rfc822_header->message_id
) {
262 $header[] = 'In-Reply-To: '.$reply_rfc822_header->message_id
. $rn;
263 $references = $this->calculate_references($reply_rfc822_header);
264 $header[] = 'References: '.$references . $rn;
266 $header[] = "Date: $date" . $rn;
267 $header[] = 'Subject: '.encodeHeader($rfc822_header->subject
) . $rn;
268 $header[] = 'From: '. encodeHeader($rfc822_header->getAddr_s('from')) . $rn;
269 /* RFC2822 if from contains more then 1 address */
270 if (count($rfc822_header->from
) > 1) {
271 $header[] = 'Sender: '. encodeHeader($rfc822_header->getAddr_s('sender')) . $rn;
273 if (count($rfc822_header->to
)) {
274 $header[] = 'To: '. encodeHeader($rfc822_header->getAddr_s('to')) . $rn;
276 if (count($rfc822_header->cc
)) {
277 $header[] = 'Cc: '. encodeHeader($rfc822_header->getAddr_s('cc')) . $rn;
279 if (count($rfc822_header->reply_to
)) {
280 $header[] = 'Reply-To: '. encodeHeader($rfc822_header->getAddr_s('reply_to')) . $rn;
282 /* Sendmail should return true. Default = false */
283 $bcc = $this->getBcc();
284 if (count($rfc822_header->bcc
)) {
285 $s = 'Bcc: '. encodeHeader($rfc822_header->getAddr_s('bcc')) . $rn;
287 $s = $this->foldLine($s, 78, str_pad('',4));
288 $raw_length +
= strlen($s);
293 /* Identify SquirrelMail */
294 $header[] = "X-Mailer: SquirrelMail (version $version)" . $rn;
295 /* Do the MIME-stuff */
296 $header[] = "MIME-Version: 1.0" . $rn;
297 $contenttype = 'Content-Type: '. $rfc822_header->content_type
->type0
.'/'.
298 $rfc822_header->content_type
->type1
;
299 if (count($rfc822_header->content_type
->properties
)) {
300 foreach ($rfc822_header->content_type
->properties
as $k => $v) {
302 $contenttype .= ';' .$k.'='.$v;
306 $header[] = $contenttype . $rn;
307 if ($rfc822_header->dnt
) {
308 $dnt = $rfc822_header->getAddr_s('dnt');
310 $header[] = 'X-Confirm-Reading-To: '.$dnt. $rn;
312 $header[] = 'Disposition-Notification-To: '.$dnt. $rn;
314 if ($rfc822_header->priority
) {
315 $prio = $rfc822_header->priority
;
316 $header[] = 'X-Priority: '.$prio. $rn;
318 case 1: $header[] = 'Importance: High'. $rn; break;
319 case 3: $header[] = 'Importance: Normal'. $rn; break;
320 case 5: $header[] = 'Importance: Low'. $rn; break;
324 /* Insert headers from the $more_headers array */
325 if(count($rfc822_header->more_headers
)) {
326 reset($rfc822_header->more_headers
);
327 foreach ($rfc822_header->more_headers
as $k => $v) {
328 $header[] = $k.': '.$v .$rn;
331 $cnt = count($header);
333 for ($i = 0 ; $i < $cnt ; $i++
) {
334 $hdr_s .= $this->foldLine($header[$i], 78, str_pad('',4));
337 $header .= $rn; /* One blank line to separate header and body */
338 $raw_length +
= strlen($header);
343 * function for cleanly folding of headerlines
345 function foldLine($line, $length, $pre='') {
346 $cnt = strlen($line);
348 if ($cnt > $length) {
349 $fold_string = "\r\n " . $pre;
350 $length -=strlen($fold_string);
351 for ($i=0;$i<($cnt-$length);$i++
) {
353 /* first try to fold at delimiters */
354 for ($j=($i+
$length); $j>$i; --$j) {
357 case (';'): $fold_pos = $i = $j; break;
361 if (!$fold_pos) { /* not succeed yet so we try at spaces & = */
362 for ($j=($i+
$length); $j>$i; $j--) {
365 case ('='): $fold_pos = $i = $j; break;
370 if (!$fold_pos) { /* clean folding didn't work */
371 $i = $j = $fold_pos = $i+
$length;
373 $line = substr_replace($line,$line{$fold_pos}.$fold_string,
375 $cnt +
= strlen($fold_string);
376 $i = $j +
strlen($fold_string);
383 function mimeBoundary () {
384 static $mimeBoundaryString;
386 if ( !isset( $mimeBoundaryString ) ||
387 $mimeBoundaryString == '') {
388 $mimeBoundaryString = '----=_' . date( 'YmdHis' ) . '_' .
389 mt_rand( 10000, 99999 );
391 return $mimeBoundaryString;
394 /* Time offset for correct timezone */
395 function timezone () {
398 $diff_second = date('Z');
400 $diff_second = - $diff_second;
402 if ($diff_second > 0) {
407 $diff_second = abs($diff_second);
408 $diff_hour = floor ($diff_second / 3600);
409 $diff_minute = floor (($diff_second-3600*$diff_hour) / 60);
410 $zonename = '('.strftime('%Z').')';
411 $result = sprintf ("%s%02d%02d %s", $sign, $diff_hour, $diff_minute,
416 function calculate_references($hdr) {
417 $refer = $hdr->references
;
418 if (strlen($refer) > 2) {
419 $refer .= ' ' . $hdr->message_id
;
421 if ($hdr->in_reply_to
) {
422 $refer .= $hdr->in_reply_to
. ' ' . $hdr->message_id
;
424 $refer .= $hdr->message_id
;