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extra safetycheck before we process group addresses
[squirrelmail.git] / functions / imap_general.php
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1<?php
2
3/**
4 * imap_general.php
5 *
6 * Copyright (c) 1999-2003 The SquirrelMail Project Team
7 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 *
9 * This implements all functions that do general imap functions.
10 *
11 * $Id$
12 */
13
14require_once(SM_PATH . 'functions/page_header.php');
15require_once(SM_PATH . 'functions/auth.php');
16
17
18global $sqimap_session_id;
19$sqimap_session_id = 1;
20
21/* Sets an unique session id in order to avoid simultanous sessions crash. */
22function sqimap_session_id($unique_id = false) {
23 global $data_dir, $username, $sqimap_session_id;
24 if (!$unique_id) {
25 return( sprintf("A%03d", $sqimap_session_id++) );
26 } else {
27 return( sprintf("A%03d", $sqimap_session_id++) . ' UID' );
28 }
29}
30
31/*
32 * Both send a command and accept the result from the command.
33 * This is to allow proper session number handling.
34 */
35function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
36 if ($imap_stream) {
37 $sid = sqimap_session_id($unique_id);
38 fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
39 $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
40 return $read;
41 } else {
42 global $squirrelmail_language, $color;
43 set_up_language($squirrelmail_language);
44 require_once(SM_PATH . 'functions/display_messages.php');
45 $string = "<b><font color=$color[2]>\n" .
46 _("ERROR : No available imapstream.") .
47 "</b></font>\n";
48 error_box($string,$color);
49 return false;
50 }
51
52}
53
54function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
55 if ($imap_stream) {
56 $sid = sqimap_session_id($unique_id);
57 fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
58 $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
59 return $read;
60 } else {
61 global $squirrelmail_language, $color;
62 set_up_language($squirrelmail_language);
63 require_once(SM_PATH . 'functions/display_messages.php');
64 $string = "<b><font color=$color[2]>\n" .
65 _("ERROR : No available imapstream.") .
66 "</b></font>\n";
67 error_box($string,$color);
68 return false;
69 }
70
71}
72
73
74/*
75 * custom fgets function. gets a line from IMAP
76 * no matter how big it may be
77 */
78
79function sqimap_fgets($imap_stream) {
80 $read = '';
81 $buffer = 4096;
82 $results = '';
83 $offset = 0;
84 $i=0;
85 while (strpos($results, "\r\n", $offset) === false) {
86 if (!($read = fgets($imap_stream, $buffer))) {
87 break;
88 }
89// echo $read;
90 if ( $results != '' ) {
91 $offset = strlen($results) - 1;
92 }
93 $results .= $read;
94 }
95 return $results;
96}
97
98/*
99 * Reads the output from the IMAP stream. If handle_errors is set to true,
100 * this will also handle all errors that are received. If it is not set,
101 * the errors will be sent back through $response and $message
102 */
103
104function sqimap_read_data_list ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
105 global $color, $squirrelmail_language;
106 $read = '';
107 $pre_a = explode(' ',trim($pre));
108 $pre = $pre_a[0];
109 $resultlist = array();
110 $data = array();
111 $read = sqimap_fgets($imap_stream);
112 $i = 0;
113 while (1) {
114 $char = $read{0};
115 switch ($char) {
116 case $pre{0}:
117 /* get the command */
118 $arg = '';
119 $i = strlen($pre)+1;
120 $s = substr($read,$i);
121 if (($j = strpos($s,' ')) || ($j = strpos($s,"\n"))) {
122 $arg = substr($s,0,$j);
123 }
124 $tag = substr($read,0,$i-1);
125 if ($arg && $tag==$pre) {
126 switch ($arg) {
127 case 'OK':
128 case 'BAD':
129 case 'NO':
130 case 'BYE':
131 case 'PREAUTH':
132 $response = $arg;
133 $message = trim(substr($read,$i+strlen($arg)));
134 break 3;
135 default:
136 /* this shouldn't happen */
137 $response = $arg;
138 $message = trim(substr($read,$i+strlen($arg)));
139 break 3;
140 }
141 } elseif($tag !== $pre) {
142 /* reset data array because we do not need this reponse */
143 $data = array();
144 $read = sqimap_fgets($imap_stream);
145 break;
146 }
147 case '*':
148 if (preg_match('/^\*\s\d+\sFETCH/',$read)) {
149 /* check for literal */
150 $s = substr($read,-3);
151 $fetch_data = array();
152 do { /* outer loop, continue until next untagged fetch
153 or tagged reponse */
154 do { /* innerloop for fetching literals. with this loop
155 we prohibid that literal responses appear in the
156 outer loop so we can trust the untagged and
157 tagged info provided by $read */
158 if ($s === "}\r\n") {
159 $j = strrpos($read,'{');
160 $iLit = substr($read,$j+1,-3);
161 $fetch_data[] = $read;
162 $sLiteral = fread($imap_stream,$iLit);
163 /* backwards compattibility */
164 $aLiteral = explode("\n", $sLiteral);
165 /* release not neaded data */
166 unset($sLiteral);
167 foreach ($aLiteral as $line) {
168 $fetch_data[] = $line ."\n";
169 }
170 /* release not neaded data */
171 unset($aLiteral);
172 /* next fgets belongs to this fetch because
173 we just got teh exact literalsize and there
174 must follow data to complete the response */
175 $fetch_data[] = sqimap_fgets($imap_stream);
176 } else {
177 $fetch_data[] = $read;
178 }
179 /* retrieve next line and check in the while
180 statements if it belongs to this fetch response */
181 $read = sqimap_fgets($imap_stream);
182 /* check for next untagged reponse and break */
183 if ($read{0} == '*') break 2;
184 $s = substr($read,-3);
185 } while ($s === "}\r\n");
186 $s = substr($read,-3);
187 } while ($read{0} !== '*' &&
188 substr($read,0,strlen($pre)) !== $pre);
189 $resultlist[] = $fetch_data;
190 /* release not neaded data */
191 unset ($fetch_data);
192 } else {
193 $s = substr($read,-3);
194 do {
195 if ($s === "}\r\n") {
196 $j = strrpos($read,'{');
197 $iLit = substr($read,$j+1,-3);
198 $data[] = $read;
199 $data[] = fread($imap_stream,$iLit);
200 $fetch_data[] = sqimap_fgets($imap_stream);
201 } else {
202 $data[] = $read;
203 }
204 $read = sqimap_fgets($imap_stream);
205 if ($read{0} == '*') break;
206 $s = substr($read,-3);
207 } while ($s === "}\r\n");
208 break 1;
209 }
210 break;
211 case '+':
212 $read = sqimap_fgets($imap_stream);
213 break;
214 default:
215 $read = sqimap_fgets($imap_stream);
216 break;
217 }
218 }
219 if (!empty($data)) {
220 $resultlist[] = $data;
221 }
222 elseif (empty($resultlist)) {
223 $resultlist[] = array();
224 }
225 if ($handle_errors == false) {
226 return( $resultlist );
227 }
228 elseif ($response == 'NO') {
229 /* ignore this error from M$ exchange, it is not fatal (aka bug) */
230 if (strstr($message, 'command resulted in') === false) {
231 set_up_language($squirrelmail_language);
232 require_once(SM_PATH . 'functions/display_messages.php');
233 $string = "<b><font color=$color[2]>\n" .
234 _("ERROR : Could not complete request.") .
235 "</b><br>\n" .
236 _("Query:") . ' ' .
237 htmlspecialchars($query) . '<br>' .
238 _("Reason Given: ") .
239 htmlspecialchars($message) . "</font><br>\n";
240 error_box($string,$color);
241 exit;
242 }
243 }
244 elseif ($response == 'BAD') {
245 set_up_language($squirrelmail_language);
246 require_once(SM_PATH . 'functions/display_messages.php');
247 $string = "<b><font color=$color[2]>\n" .
248 _("ERROR : Bad or malformed request.") .
249 "</b><br>\n" .
250 _("Query:") . ' '.
251 htmlspecialchars($query) . '<br>' .
252 _("Server responded: ") .
253 htmlspecialchars($message) . "</font><br>\n";
254 error_box($string,$color);
255 exit;
256 }
257 else {
258 return $resultlist;
259 }
260}
261
262function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message, $query = '') {
263 $res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message, $query);
264
265 /* sqimap_read_data should be called for one response
266 but since it just calls sqimap_read_data_list which
267 handles multiple responses we need to check for that
268 and merge the $res array IF they are seperated and
269 IF it was a FETCH response. */
270
271// if (isset($res[1]) && is_array($res[1]) && isset($res[1][0])
272// && preg_match('/^\* \d+ FETCH/', $res[1][0])) {
273// $result = array();
274// foreach($res as $index=>$value) {
275// $result = array_merge($result, $res["$index"]);
276// }
277// }
278 if (isset($result)) {
279 return $result;
280 }
281 else {
282 return $res[0];
283 }
284
285}
286
287/*
288 * Logs the user into the imap server. If $hide is set, no error messages
289 * will be displayed. This function returns the imap connection handle.
290 */
291function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
292 global $color, $squirrelmail_language, $onetimepad, $use_imap_tls, $imap_auth_mech;
293
294 if (!isset($onetimepad) || empty($onetimepad)) {
295 sqgetglobalvar('onetimepad' , $onetimepad , SQ_SESSION );
296 }
297 $imap_server_address = sqimap_get_user_server($imap_server_address, $username);
298 $host=$imap_server_address;
299
300 if (($use_imap_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) {
301 /* Use TLS by prefixing "tls://" to the hostname */
302 $imap_server_address = 'tls://' . $imap_server_address;
303 }
304
305 $imap_stream = fsockopen ( $imap_server_address, $imap_port, $error_number, $error_string, 15);
306
307 /* Do some error correction */
308 if (!$imap_stream) {
309 if (!$hide) {
310 set_up_language($squirrelmail_language, true);
311 require_once(SM_PATH . 'functions/display_messages.php');
312 $string = sprintf (_("Error connecting to IMAP server: %s.") .
313 "<br>\r\n", $imap_server_address) .
314 "$error_number : $error_string<br>\r\n";
315 logout_error($string,$color);
316 }
317 exit;
318 }
319
320 $server_info = fgets ($imap_stream, 1024);
321
322 /* Decrypt the password */
323 $password = OneTimePadDecrypt($password, $onetimepad);
324
325 if (($imap_auth_mech == 'cram-md5') OR ($imap_auth_mech == 'digest-md5')) {
326 // We're using some sort of authentication OTHER than plain or login
327 $tag=sqimap_session_id(false);
328 if ($imap_auth_mech == 'digest-md5') {
329 $query = $tag . " AUTHENTICATE DIGEST-MD5\r\n";
330 } elseif ($imap_auth_mech == 'cram-md5') {
331 $query = $tag . " AUTHENTICATE CRAM-MD5\r\n";
332 }
333 fputs($imap_stream,$query);
334 $answer=sqimap_fgets($imap_stream);
335 // Trim the "+ " off the front
336 $response=explode(" ",$answer,3);
337 if ($response[0] == '+') {
338 // Got a challenge back
339 $challenge=$response[1];
340 if ($imap_auth_mech == 'digest-md5') {
341 $reply = digest_md5_response($username,$password,$challenge,'imap',$host);
342 } elseif ($imap_auth_mech == 'cram-md5') {
343 $reply = cram_md5_response($username,$password,$challenge);
344 }
345 fputs($imap_stream,$reply);
346 $read=sqimap_fgets($imap_stream);
347 if ($imap_auth_mech == 'digest-md5') {
348 // DIGEST-MD5 has an extra step..
349 if (substr($read,0,1) == '+') { // OK so far..
350 fputs($imap_stream,"\r\n");
351 $read=sqimap_fgets($imap_stream);
352 }
353 }
354 $results=explode(" ",$read,3);
355 $response=$results[1];
356 $message=$results[2];
357 } else {
358 // Fake the response, so the error trap at the bottom will work
359 $response="BAD";
360 $message='IMAP server does not appear to support the authentication method selected.';
361 $message .= ' Please contact your system administrator.';
362 }
363 } elseif ($imap_auth_mech == 'login') {
364 // Original IMAP login code
365 $query = 'LOGIN "' . quoteimap($username) . '" "' . quoteimap($password) . '"';
366 $read = sqimap_run_command ($imap_stream, $query, false, $response, $message);
367 } elseif ($imap_auth_mech == 'plain') {
368 /* Replace this with SASL PLAIN if it ever gets implemented */
369 $response="BAD";
370 $message='SquirrelMail does not support SASL PLAIN yet. Rerun conf.pl and use login instead.';
371 } else {
372 $response="BAD";
373 $message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers.";
374 }
375
376 /* If the connection was not successful, lets see why */
377 if ($response != 'OK') {
378 if (!$hide) {
379 if ($response != 'NO') {
380 /* "BAD" and anything else gets reported here. */
381 $message = htmlspecialchars($message);
382 set_up_language($squirrelmail_language, true);
383 require_once(SM_PATH . 'functions/display_messages.php');
384 if ($response == 'BAD') {
385 $string = sprintf (_("Bad request: %s")."<br>\r\n", $message);
386 } else {
387 $string = sprintf (_("Unknown error: %s") . "<br>\n", $message);
388 }
389 if (isset($read) && is_array($read)) {
390 $string .= '<br>' . _("Read data:") . "<br>\n";
391 foreach ($read as $line) {
392 $string .= htmlspecialchars($line) . "<br>\n";
393 }
394 }
395 error_box($string,$color);
396 exit;
397 } else {
398 /*
399 * If the user does not log in with the correct
400 * username and password it is not possible to get the
401 * correct locale from the user's preferences.
402 * Therefore, apply the same hack as on the login
403 * screen.
404 *
405 * $squirrelmail_language is set by a cookie when
406 * the user selects language and logs out
407 */
408
409 set_up_language($squirrelmail_language, true);
410 include_once(SM_PATH . 'functions/display_messages.php' );
411 sqsession_destroy();
412 logout_error( _("Unknown user or password incorrect.") );
413 exit;
414 }
415 } else {
416 exit;
417 }
418 }
419 return $imap_stream;
420}
421
422/* Simply logs out the IMAP session */
423function sqimap_logout ($imap_stream) {
424 /* Logout is not valid until the server returns 'BYE'
425 * If we don't have an imap_ stream we're already logged out */
426 if(isset($imap_stream) && $imap_stream)
427 sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message);
428}
429
430function sqimap_capability($imap_stream, $capability='') {
431 global $sqimap_capabilities;
432 if (!is_array($sqimap_capabilities)) {
433 $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b);
434
435 $c = explode(' ', $read[0]);
436 for ($i=2; $i < count($c); $i++) {
437 $cap_list = explode('=', $c[$i]);
438 if (isset($cap_list[1])) {
439 $sqimap_capabilities[$cap_list[0]] = $cap_list[1];
440 } else {
441 $sqimap_capabilities[$cap_list[0]] = TRUE;
442 }
443 }
444 }
445 if ($capability) {
446 if (isset($sqimap_capabilities[$capability])) {
447 return $sqimap_capabilities[$capability];
448 } else {
449 return false;
450 }
451 }
452 return $sqimap_capabilities;
453}
454
455/* Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test */
456function sqimap_get_delimiter ($imap_stream = false) {
457 global $sqimap_delimiter, $optional_delimiter;
458
459 /* Use configured delimiter if set */
460 if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') {
461 return $optional_delimiter;
462 }
463
464 /* Do some caching here */
465 if (!$sqimap_delimiter) {
466 if (sqimap_capability($imap_stream, 'NAMESPACE')) {
467 /*
468 * According to something that I can't find, this is supposed to work on all systems
469 * OS: This won't work in Courier IMAP.
470 * OS: According to rfc2342 response from NAMESPACE command is:
471 * OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES)
472 * OS: We want to lookup all personal NAMESPACES...
473 */
474 $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b);
475 if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) {
476 if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) {
477 $pn = $data2[1];
478 }
479 $pna = explode(')(', $pn);
480 while (list($k, $v) = each($pna)) {
481 $lst = explode('"', $v);
482 if (isset($lst[3])) {
483 $pn[$lst[1]] = $lst[3];
484 } else {
485 $pn[$lst[1]] = '';
486 }
487 }
488 }
489 $sqimap_delimiter = $pn[0];
490 } else {
491 fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n");
492 $read = sqimap_read_data($imap_stream, '.', true, $a, $b);
493 $quote_position = strpos ($read[0], '"');
494 $sqimap_delimiter = substr ($read[0], $quote_position+1, 1);
495 }
496 }
497 return $sqimap_delimiter;
498}
499
500
501/* Gets the number of messages in the current mailbox. */
502function sqimap_get_num_messages ($imap_stream, $mailbox) {
503 $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message);
504 for ($i = 0; $i < count($read_ary); $i++) {
505 if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) {
506 return $regs[1];
507 }
508 }
509 return false; //"BUG! Couldn't get number of messages in $mailbox!";
510}
511
512
513function parseAddress($address, $max=0, $addr_ar = array(), $group = '', $host='', $limit=0) {
514 $pos = 0;
515 $j = strlen($address);
516 $personal = '';
517 $addr = '';
518 $comment = '';
519 if ($max && $max == count($addr_ar)) {
520 return $addr_ar;
521 }
522 while ($pos < $j) {
523 if ($max && $max == count($addr_ar)) {
524 return $addr_ar;
525 }
526 $char = $address{$pos};
527 switch ($char) {
528 case '=':
529 /* check if it is an encoded string */
530 if (preg_match('/^(=\?([^?]*)\?(Q|B)\?([^?]*)\?=)(.*)/Ui',substr($address,$pos),$reg)) {
531 /* add stringpart before the encoded string to the personal var */
532 if (!$personal) {
533 $personal = substr($address,0,$pos);
534 }
535 $personal .= $reg[1];
536 $pos += strlen($reg[1]);
537 } else {
538 ++$pos;
539 }
540 break;
541 case '"': /* get the personal name */
542 ++$pos;
543 if ($address{$pos} == '"') {
544 ++$pos;
545 } else {
546 $personal_start = $personal_end = $pos;
547 while ($pos < $j) {
548 $personal_end = strpos($address,'"',$pos);
549 if (($personal_end-2)>0 && (substr($address,$personal_end-2,2) === '\\"' ||
550 substr($address,$personal_end-2,2) === '\\\\')) {
551 $pos = $personal_end+1;
552 } else {
553 $personal = substr($address,$personal_start,$personal_end-$personal_start);
554 break;
555 }
556 }
557 if ($personal_end) { /* prohibit endless loops due to very wrong addresses */
558 $pos = $personal_end+1;
559 } else {
560 $pos = $j;
561 }
562 }
563 break;
564 case '<': /* get email address */
565 $addr_start = $pos;
566 $addr_end = strpos($address,'>',$addr_start);
567 if($addr_end === FALSE) {
568 // in case the address doesn't end, prevent loop
569 $pos++;
570 } else {
571 $addr = substr($address,$addr_start+1,$addr_end-$addr_start-1);
572 $pos = $addr_end+1;
573 }
574 break;
575 case '(': /* rip off comments */
576 $addr_start = $pos;
577 $pos = strpos($address,')');
578 if ($pos !== false) {
579 $comment = substr($address, $addr_start+1,($pos-$addr_start-1));
580 $address_start = substr($address, 0, $addr_start);
581 $address_end = substr($address, $pos + 1);
582 $address = $address_start . $address_end;
583 }
584 $j = strlen($address);
585 $pos = $addr_start + 1;
586 break;
587 case ';': /* we reached a non rfc2822 compliant delimiter */
588 if ($group) {
589 $address = substr($address, 0, $pos - 1);
590 ++$pos;
591 break;
592 }
593 case ',': /* we reached a delimiter */
594 if ($addr == '') {
595 $addr = substr($address, 0, $pos);
596 } else if ($personal == '') {
597 $personal = trim(substr($address, 0, $addr_start));
598 }
599 if (!$personal && $comment) $personal = $comment;
600 if ($personal) $personal = decodeHeader($personal);
601 $addr_ar[] = array($addr,$personal);
602 $address = trim(substr($address, $pos+1));
603 $j = strlen($address);
604 $pos = 0;
605 $personal = '';
606 $addr = '';
607 break;
608 case ':': /* process the group addresses */
609 /* group marker */
610 if (strpos($address,';',$pos)) {
611 $group = substr($address, 0, $pos);
612 $address = substr($address, $pos+1);
613 $result = parseAddress($address, $max, $addr_ar, $group);
614 $addr_ar = $result[0];
615 $pos = $result[1];
616 $address = substr($address, $pos++);
617 $j = strlen($address);
618 $group = '';
619 } else {
620 $pos = $j;
621 }
622 break;
623 default:
624 ++$pos;
625 break;
626 }
627 }
628 if ($addr == '') {
629 $addr = substr($address, 0, $pos);
630 } else if ($personal == '') {
631 $personal = trim(substr($address, 0, $addr_start));
632 }
633 if (!$personal && $comment) $personal = $comment;
634 $email = $addr;
635 if ($group && $addr == '') { /* no addresses found in group */
636 $personal = $group;
637 $addr_ar[] = array('',$personal);
638 return (array($addr_ar,$pos+1 ));
639 } elseif ($group) {
640 $addr_ar[] = array($addr,$personal);
641 return (array($addr_ar,$pos+1 ));
642 } else {
643 if ($personal || $addr) {
644 $addr_ar[] = array($addr, $personal);
645 }
646 }
647 return ($addr_ar);
648}
649
650/*
651 * Returns the number of unseen messages in this folder
652 */
653function sqimap_unseen_messages ($imap_stream, $mailbox) {
654 $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message);
655 $i = 0;
656 $regs = array(false, false);
657 while (isset($read_ary[$i])) {
658 if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) {
659 break;
660 }
661 $i++;
662 }
663 return $regs[1];
664}
665
666/*
667 * Returns the number of unseen/total messages in this folder
668 */
669function sqimap_status_messages ($imap_stream, $mailbox) {
670 $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN RECENT)", false, $result, $message);
671 $i = 0;
672 $messages = $unseen = $recent = false;
673 $regs = array(false,false);
674 while (isset($read_ary[$i])) {
675 if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) {
676 $unseen = $regs[1];
677 }
678 if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) {
679 $messages = $regs[1];
680 }
681 if (preg_match('/RECENT\s+([0-9]+)/i', $read_ary[$i], $regs)) {
682 $recent = $regs[1];
683 }
684 $i++;
685 }
686 return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen, 'RECENT' => $recent);
687}
688
689
690/*
691 * Saves a message to a given folder -- used for saving sent messages
692 */
693function sqimap_append ($imap_stream, $sent_folder, $length) {
694 fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
695 $tmp = fgets ($imap_stream, 1024);
696}
697
698function sqimap_append_done ($imap_stream, $folder='') {
699 global $squirrelmail_language, $color;
700 fputs ($imap_stream, "\r\n");
701 $tmp = fgets ($imap_stream, 1024);
702 if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) {
703 set_up_language($squirrelmail_language);
704 require_once(SM_PATH . 'functions/display_messages.php');
705 $reason = $regs[3];
706 if ($regs[2] == 'NO') {
707 $string = "<b><font color=$color[2]>\n" .
708 _("ERROR : Could not append message to") ." $folder." .
709 "</b><br>\n" .
710 _("Server responded: ") .
711 $reason . "<br>\n";
712 if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) {
713 $string .= _("Solution: ") .
714 _("Remove unneccessary messages from your folder and start with your Trash folder.")
715 ."<br>\n";
716 }
717 $string .= "</font>\n";
718 error_box($string,$color);
719 } else {
720 $string = "<b><font color=$color[2]>\n" .
721 _("ERROR : Bad or malformed request.") .
722 "</b><br>\n" .
723 _("Server responded: ") .
724 $tmp . "</font><br>\n";
725 error_box($string,$color);
726 exit;
727 }
728 }
729}
730
731function sqimap_get_user_server ($imap_server, $username) {
732 if (substr($imap_server, 0, 4) != "map:") {
733 return $imap_server;
734 }
735 $function = substr($imap_server, 4);
736 return $function($username);
737}
738
739/* This is an example that gets imapservers from yellowpages (NIS).
740 * you can simple put map:map_yp_alias in your $imap_server_address
741 * in config.php use your own function instead map_yp_alias to map your
742 * LDAP whatever way to find the users imapserver. */
743
744function map_yp_alias($username) {
745 $yp = `ypmatch $username aliases`;
746 return chop(substr($yp, strlen($username)+1));
747}
748
749?>
Unnamed repository; edit this file 'description' to name the repository.