59177427 |
1 | <?php |
bccadd02 |
2 | |
35586184 |
3 | /** |
a6fd80f5 |
4 | * imap_general.php |
35586184 |
5 | * |
76911253 |
6 | * Copyright (c) 1999-2003 The SquirrelMail Project Team |
15e6162e |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
35586184 |
8 | * |
15e6162e |
9 | * This implements all functions that do general imap functions. |
35586184 |
10 | * |
15e6162e |
11 | * $Id$ |
35586184 |
12 | */ |
13 | |
b68edc75 |
14 | require_once(SM_PATH . 'functions/page_header.php'); |
47a29326 |
15 | require_once(SM_PATH . 'functions/auth.php'); |
16 | |
35586184 |
17 | |
41600f7d |
18 | global $sqimap_session_id; |
19 | $sqimap_session_id = 1; |
71257f8b |
20 | |
3411d4ec |
21 | /* Sets an unique session id in order to avoid simultanous sessions crash. */ |
487daa81 |
22 | function sqimap_session_id($unique_id = false) { |
41600f7d |
23 | global $data_dir, $username, $sqimap_session_id; |
487daa81 |
24 | if (!$unique_id) { |
098ea084 |
25 | return( sprintf("A%03d", $sqimap_session_id++) ); |
487daa81 |
26 | } else { |
098ea084 |
27 | return( sprintf("A%03d", $sqimap_session_id++) . ' UID' ); |
487daa81 |
28 | } |
9c737111 |
29 | } |
30 | |
3411d4ec |
31 | /* |
32 | * Both send a command and accept the result from the command. |
33 | * This is to allow proper session number handling. |
34 | */ |
487daa81 |
35 | function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) { |
c5809184 |
36 | if ($imap_stream) { |
098ea084 |
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; |
c5809184 |
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); |
098ea084 |
49 | return false; |
c5809184 |
50 | } |
51 | |
1c72b151 |
52 | } |
53 | |
7c7b74b3 |
54 | function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, |
55 | &$message, $unique_id = false,$filter=false, |
56 | $outputstream=false,$no_return=false) { |
c5809184 |
57 | if ($imap_stream) { |
58 | $sid = sqimap_session_id($unique_id); |
098ea084 |
59 | fputs ($imap_stream, $sid . ' ' . $query . "\r\n"); |
7c7b74b3 |
60 | $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, |
61 | $message, $query,$filter,$outputstream,$no_return); |
098ea084 |
62 | return $read; |
c5809184 |
63 | } else { |
64 | global $squirrelmail_language, $color; |
65 | set_up_language($squirrelmail_language); |
66 | require_once(SM_PATH . 'functions/display_messages.php'); |
67 | $string = "<b><font color=$color[2]>\n" . |
68 | _("ERROR : No available imapstream.") . |
69 | "</b></font>\n"; |
70 | error_box($string,$color); |
098ea084 |
71 | return false; |
c5809184 |
72 | } |
73 | |
42a07ac1 |
74 | } |
75 | |
9c737111 |
76 | |
b8c285ab |
77 | /* |
78 | * custom fgets function. gets a line from IMAP |
79 | * no matter how big it may be |
80 | */ |
81 | |
82 | function sqimap_fgets($imap_stream) { |
83 | $read = ''; |
84 | $buffer = 4096; |
85 | $results = ''; |
c41daf03 |
86 | $offset = 0; |
87 | while (strpos($results, "\r\n", $offset) === false) { |
b8c285ab |
88 | if (!($read = fgets($imap_stream, $buffer))) { |
329a7ca5 |
89 | /* this happens in case of an error */ |
90 | /* reset $results because it's useless */ |
91 | $results = false; |
b8c285ab |
92 | break; |
93 | } |
c41daf03 |
94 | if ( $results != '' ) { |
95 | $offset = strlen($results) - 1; |
96 | } |
b8c285ab |
97 | $results .= $read; |
98 | } |
99 | return $results; |
100 | } |
101 | |
7c7b74b3 |
102 | function sqimap_fread($imap_stream,$iSize,$filter=false, |
103 | $outputstream=false, $no_return=false) { |
104 | if (!$filter || !$outputstream) { |
105 | $iBufferSize = $iSize; |
106 | } else { |
107 | $iBufferSize = 32768; |
108 | } |
109 | $iRet = $iSize - $iBufferSize; |
110 | $i = 0; |
111 | $results = ''; |
112 | while (($i * $iBufferSize) < $iRet) { |
113 | $sRead = fread($imap_stream,$iBufferSize); |
114 | if (!$sRead) { |
115 | $results = false; |
116 | break; |
117 | } |
118 | ++$i; |
119 | if ($filter) { |
120 | $filter($sRead); |
121 | } |
122 | if ($outputstream) { |
123 | if (is_resource($outputstream)) { |
124 | fwrite($outputstream,$sRead); |
125 | } else if ($outputstream == 'php://stdout') { |
126 | echo $sRead; |
127 | } |
128 | } |
129 | if ($no_return) { |
130 | $sRead = ''; |
131 | } |
132 | $results .= $sRead; |
133 | } |
134 | if ($results !== false) { |
135 | $sRead = fread($imap_stream,($iSize - ($i * $iBufferSize))); |
136 | if ($filter) { |
137 | $filter($sRead); |
138 | } |
139 | if ($outputstream) { |
140 | if (is_resource($outputstream)) { |
141 | fwrite($outputstream,$sRead); |
142 | } else if ($outputstream == 'php://stdout') { // FIXME |
143 | echo $sRead; |
144 | } |
145 | } |
146 | if ($no_return) { |
147 | $sRead = ''; |
148 | } |
149 | $results .= $sRead; |
150 | } |
151 | return $results; |
152 | } |
153 | |
154 | |
155 | |
bee165ef |
156 | /* |
3411d4ec |
157 | * Reads the output from the IMAP stream. If handle_errors is set to true, |
158 | * this will also handle all errors that are received. If it is not set, |
159 | * the errors will be sent back through $response and $message |
bee165ef |
160 | */ |
b8c285ab |
161 | |
7c7b74b3 |
162 | function sqimap_read_data_list ($imap_stream, $tag_uid, $handle_errors, |
163 | &$response, &$message, $query = '', |
164 | $filter = false, $outputstream = false, $no_return = false) { |
9c737111 |
165 | global $color, $squirrelmail_language; |
9c737111 |
166 | $read = ''; |
bea3eb1e |
167 | $tag_uid_a = explode(' ',trim($tag_uid)); |
168 | $tag = $tag_uid_a[0]; |
b8c285ab |
169 | $resultlist = array(); |
170 | $data = array(); |
171 | $read = sqimap_fgets($imap_stream); |
ba8f367a |
172 | $i = 0; |
bea3eb1e |
173 | while ($read) { |
174 | $char = $read{0}; |
175 | switch ($char) |
176 | { |
15bc7f66 |
177 | case '+': |
178 | default: |
179 | $read = sqimap_fgets($imap_stream); |
180 | break; |
181 | |
182 | case $tag{0}: |
183 | { |
bea3eb1e |
184 | /* get the command */ |
185 | $arg = ''; |
186 | $i = strlen($tag)+1; |
187 | $s = substr($read,$i); |
188 | if (($j = strpos($s,' ')) || ($j = strpos($s,"\n"))) { |
189 | $arg = substr($s,0,$j); |
190 | } |
191 | $found_tag = substr($read,0,$i-1); |
192 | if ($arg && $found_tag==$tag) { |
193 | switch ($arg) |
194 | { |
15bc7f66 |
195 | case 'OK': |
196 | case 'BAD': |
197 | case 'NO': |
198 | case 'BYE': |
199 | case 'PREAUTH': |
bea3eb1e |
200 | $response = $arg; |
201 | $message = trim(substr($read,$i+strlen($arg))); |
c0b23345 |
202 | break 3; /* switch switch while */ |
329a7ca5 |
203 | default: |
bea3eb1e |
204 | /* this shouldn't happen */ |
205 | $response = $arg; |
206 | $message = trim(substr($read,$i+strlen($arg))); |
c0b23345 |
207 | break 3; /* switch switch while */ |
bea3eb1e |
208 | } |
209 | } elseif($found_tag !== $tag) { |
210 | /* reset data array because we do not need this reponse */ |
211 | $data = array(); |
212 | $read = sqimap_fgets($imap_stream); |
213 | break; |
214 | } |
15bc7f66 |
215 | } // end case $tag{0} |
216 | |
217 | case '*': |
218 | { |
bea3eb1e |
219 | if (preg_match('/^\*\s\d+\sFETCH/',$read)) { |
220 | /* check for literal */ |
221 | $s = substr($read,-3); |
222 | $fetch_data = array(); |
223 | do { /* outer loop, continue until next untagged fetch |
224 | or tagged reponse */ |
225 | do { /* innerloop for fetching literals. with this loop |
226 | we prohibid that literal responses appear in the |
227 | outer loop so we can trust the untagged and |
228 | tagged info provided by $read */ |
229 | if ($s === "}\r\n") { |
230 | $j = strrpos($read,'{'); |
231 | $iLit = substr($read,$j+1,-3); |
232 | $fetch_data[] = $read; |
7c7b74b3 |
233 | $sLiteral = sqimap_fread($imap_stream,$iLit,$filter,$outputstream,$no_return); |
329a7ca5 |
234 | if ($sLiteral === false) { /* error */ |
235 | break 4; /* while while switch while */ |
236 | } |
bea3eb1e |
237 | /* backwards compattibility */ |
238 | $aLiteral = explode("\n", $sLiteral); |
239 | /* release not neaded data */ |
240 | unset($sLiteral); |
241 | foreach ($aLiteral as $line) { |
242 | $fetch_data[] = $line ."\n"; |
243 | } |
244 | /* release not neaded data */ |
245 | unset($aLiteral); |
246 | /* next fgets belongs to this fetch because |
247 | we just got the exact literalsize and there |
248 | must follow data to complete the response */ |
329a7ca5 |
249 | $read = sqimap_fgets($imap_stream); |
250 | if ($read === false) { /* error */ |
251 | break 4; /* while while switch while */ |
252 | } |
c0b23345 |
253 | $fetch_data[] = $read; |
bea3eb1e |
254 | } else { |
329a7ca5 |
255 | $fetch_data[] = $read; |
bea3eb1e |
256 | } |
257 | /* retrieve next line and check in the while |
258 | statements if it belongs to this fetch response */ |
259 | $read = sqimap_fgets($imap_stream); |
329a7ca5 |
260 | if ($read === false) { /* error */ |
261 | break 4; /* while while switch while */ |
262 | } |
bea3eb1e |
263 | /* check for next untagged reponse and break */ |
264 | if ($read{0} == '*') break 2; |
265 | $s = substr($read,-3); |
266 | } while ($s === "}\r\n"); |
267 | $s = substr($read,-3); |
268 | } while ($read{0} !== '*' && |
106d4087 |
269 | substr($read,0,strlen($tag)) !== $tag); |
329a7ca5 |
270 | $resultlist[] = $fetch_data; |
bea3eb1e |
271 | /* release not neaded data */ |
272 | unset ($fetch_data); |
273 | } else { |
274 | $s = substr($read,-3); |
275 | do { |
276 | if ($s === "}\r\n") { |
277 | $j = strrpos($read,'{'); |
278 | $iLit = substr($read,$j+1,-3); |
279 | $data[] = $read; |
329a7ca5 |
280 | $sLiteral = fread($imap_stream,$iLit); |
c0b23345 |
281 | if ($sLiteral === false) { /* error */ |
329a7ca5 |
282 | $read = false; |
283 | break 3; /* while switch while */ |
284 | } |
c0b23345 |
285 | $data[] = $sLiteral; |
bea3eb1e |
286 | $fetch_data[] = sqimap_fgets($imap_stream); |
287 | } else { |
329a7ca5 |
288 | $data[] = $read; |
bea3eb1e |
289 | } |
290 | $read = sqimap_fgets($imap_stream); |
329a7ca5 |
291 | if ($read === false) { |
292 | break 3; /* while switch while */ |
293 | } else if ($read{0} == '*') { |
106d4087 |
294 | break; |
295 | } |
bea3eb1e |
296 | $s = substr($read,-3); |
297 | } while ($s === "}\r\n"); |
298 | break 1; |
299 | } |
300 | break; |
15bc7f66 |
301 | } // end case '*' |
302 | } // end switch |
c0b23345 |
303 | } // end while |
304 | |
305 | /* error processing in case $read is false */ |
306 | if ($read === false) { |
307 | unset($data); |
308 | set_up_language($squirrelmail_language); |
309 | require_once(SM_PATH . 'functions/display_messages.php'); |
310 | $string = "<b><font color=$color[2]>\n" . |
329a7ca5 |
311 | _("ERROR : Connection dropped by imap-server.") . |
312 | "</b><br>\n" . |
313 | _("Query:") . ' '. |
314 | htmlspecialchars($query) . '<br>' . "</font><br>\n"; |
c0b23345 |
315 | error_box($string,$color); |
316 | exit; |
b8c285ab |
317 | } |
c0b23345 |
318 | |
15bc7f66 |
319 | /* Set $resultlist array */ |
b8c285ab |
320 | if (!empty($data)) { |
9c737111 |
321 | $resultlist[] = $data; |
322 | } |
b8c285ab |
323 | elseif (empty($resultlist)) { |
324 | $resultlist[] = array(); |
325 | } |
15bc7f66 |
326 | |
327 | /* Return result or handle errors */ |
bee165ef |
328 | if ($handle_errors == false) { |
329 | return( $resultlist ); |
dd381002 |
330 | } |
331 | switch ($response) |
332 | { |
333 | case 'OK': |
334 | return $resultlist; |
329a7ca5 |
335 | break; |
dd381002 |
336 | case 'NO': |
337 | /* ignore this error from M$ exchange, it is not fatal (aka bug) */ |
9c737111 |
338 | if (strstr($message, 'command resulted in') === false) { |
441f2d33 |
339 | set_up_language($squirrelmail_language); |
098ea084 |
340 | require_once(SM_PATH . 'functions/display_messages.php'); |
341 | $string = "<b><font color=$color[2]>\n" . |
b8c285ab |
342 | _("ERROR : Could not complete request.") . |
343 | "</b><br>\n" . |
9b761dbd |
344 | _("Query:") . ' ' . |
345 | htmlspecialchars($query) . '<br>' . |
b8c285ab |
346 | _("Reason Given: ") . |
9b761dbd |
347 | htmlspecialchars($message) . "</font><br>\n"; |
098ea084 |
348 | error_box($string,$color); |
329a7ca5 |
349 | echo '</body></html>'; |
052e0c26 |
350 | exit; |
9c737111 |
351 | } |
329a7ca5 |
352 | break; |
dd381002 |
353 | case 'BAD': |
9c737111 |
354 | set_up_language($squirrelmail_language); |
098ea084 |
355 | require_once(SM_PATH . 'functions/display_messages.php'); |
bef6629c |
356 | $string = "<b><font color=$color[2]>\n" . |
b8c285ab |
357 | _("ERROR : Bad or malformed request.") . |
358 | "</b><br>\n" . |
9b761dbd |
359 | _("Query:") . ' '. |
360 | htmlspecialchars($query) . '<br>' . |
b8c285ab |
361 | _("Server responded: ") . |
9b761dbd |
362 | htmlspecialchars($message) . "</font><br>\n"; |
dd381002 |
363 | error_box($string,$color); |
329a7ca5 |
364 | echo '</body></html>'; |
dd381002 |
365 | exit; |
366 | case 'BYE': |
367 | set_up_language($squirrelmail_language); |
368 | require_once(SM_PATH . 'functions/display_messages.php'); |
369 | $string = "<b><font color=$color[2]>\n" . |
370 | _("ERROR : Imap server closed the connection.") . |
371 | "</b><br>\n" . |
372 | _("Query:") . ' '. |
373 | htmlspecialchars($query) . '<br>' . |
374 | _("Server responded: ") . |
375 | htmlspecialchars($message) . "</font><br>\n"; |
376 | error_box($string,$color); |
329a7ca5 |
377 | echo '</body></html>'; |
9c737111 |
378 | exit; |
dd381002 |
379 | default: |
380 | set_up_language($squirrelmail_language); |
381 | require_once(SM_PATH . 'functions/display_messages.php'); |
382 | $string = "<b><font color=$color[2]>\n" . |
383 | _("ERROR : Unknown imap response.") . |
384 | "</b><br>\n" . |
385 | _("Query:") . ' '. |
386 | htmlspecialchars($query) . '<br>' . |
387 | _("Server responded: ") . |
388 | htmlspecialchars($message) . "</font><br>\n"; |
389 | error_box($string,$color); |
329a7ca5 |
390 | /* the error is displayed but because we don't know the reponse we |
391 | return the result anyway */ |
392 | return $resultlist; |
393 | break; |
9c737111 |
394 | } |
9c737111 |
395 | } |
396 | |
7c7b74b3 |
397 | function sqimap_read_data ($imap_stream, $tag_uid, $handle_errors, |
398 | &$response, &$message, $query = '', |
399 | $filter=false,$outputstream=false,$no_return=false) { |
400 | $res = sqimap_read_data_list($imap_stream, $tag_uid, $handle_errors, |
401 | $response, $message, $query,$filter,$outputstream,$no_return); |
863936bb |
402 | /* sqimap_read_data should be called for one response |
403 | but since it just calls sqimap_read_data_list which |
404 | handles multiple responses we need to check for that |
405 | and merge the $res array IF they are seperated and |
406 | IF it was a FETCH response. */ |
407 | |
ba8f367a |
408 | // if (isset($res[1]) && is_array($res[1]) && isset($res[1][0]) |
409 | // && preg_match('/^\* \d+ FETCH/', $res[1][0])) { |
410 | // $result = array(); |
411 | // foreach($res as $index=>$value) { |
412 | // $result = array_merge($result, $res["$index"]); |
413 | // } |
414 | // } |
863936bb |
415 | if (isset($result)) { |
416 | return $result; |
56afb33f |
417 | } |
56afb33f |
418 | else { |
863936bb |
419 | return $res[0]; |
56afb33f |
420 | } |
421 | |
9c737111 |
422 | } |
423 | |
3411d4ec |
424 | /* |
425 | * Logs the user into the imap server. If $hide is set, no error messages |
426 | * will be displayed. This function returns the imap connection handle. |
427 | */ |
9c737111 |
428 | function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { |
47a29326 |
429 | global $color, $squirrelmail_language, $onetimepad, $use_imap_tls, $imap_auth_mech; |
85fc999e |
430 | |
eb2f6102 |
431 | if (!isset($onetimepad) || empty($onetimepad)) { |
432 | sqgetglobalvar('onetimepad' , $onetimepad , SQ_SESSION ); |
433 | } |
bd9829d7 |
434 | $imap_server_address = sqimap_get_user_server($imap_server_address, $username); |
098ea084 |
435 | $host=$imap_server_address; |
436 | |
437 | if (($use_imap_tls == true) and (check_php_version(4,3)) and (extension_loaded('openssl'))) { |
438 | /* Use TLS by prefixing "tls://" to the hostname */ |
439 | $imap_server_address = 'tls://' . $imap_server_address; |
440 | } |
47a29326 |
441 | |
3411d4ec |
442 | $imap_stream = fsockopen ( $imap_server_address, $imap_port, $error_number, $error_string, 15); |
85fc999e |
443 | |
3411d4ec |
444 | /* Do some error correction */ |
9c737111 |
445 | if (!$imap_stream) { |
446 | if (!$hide) { |
441f2d33 |
447 | set_up_language($squirrelmail_language, true); |
098ea084 |
448 | require_once(SM_PATH . 'functions/display_messages.php'); |
449 | $string = sprintf (_("Error connecting to IMAP server: %s.") . |
450 | "<br>\r\n", $imap_server_address) . |
1f720b34 |
451 | "$error_number : $error_string<br>\r\n"; |
098ea084 |
452 | logout_error($string,$color); |
9c737111 |
453 | } |
454 | exit; |
455 | } |
052e0c26 |
456 | |
2f1f7a12 |
457 | $server_info = fgets ($imap_stream, 1024); |
458 | |
459 | /* Decrypt the password */ |
460 | $password = OneTimePadDecrypt($password, $onetimepad); |
461 | |
098ea084 |
462 | if (($imap_auth_mech == 'cram-md5') OR ($imap_auth_mech == 'digest-md5')) { |
fe0b18b3 |
463 | // We're using some sort of authentication OTHER than plain or login |
098ea084 |
464 | $tag=sqimap_session_id(false); |
465 | if ($imap_auth_mech == 'digest-md5') { |
466 | $query = $tag . " AUTHENTICATE DIGEST-MD5\r\n"; |
467 | } elseif ($imap_auth_mech == 'cram-md5') { |
468 | $query = $tag . " AUTHENTICATE CRAM-MD5\r\n"; |
469 | } |
470 | fputs($imap_stream,$query); |
471 | $answer=sqimap_fgets($imap_stream); |
472 | // Trim the "+ " off the front |
473 | $response=explode(" ",$answer,3); |
474 | if ($response[0] == '+') { |
475 | // Got a challenge back |
476 | $challenge=$response[1]; |
477 | if ($imap_auth_mech == 'digest-md5') { |
478 | $reply = digest_md5_response($username,$password,$challenge,'imap',$host); |
479 | } elseif ($imap_auth_mech == 'cram-md5') { |
480 | $reply = cram_md5_response($username,$password,$challenge); |
481 | } |
482 | fputs($imap_stream,$reply); |
483 | $read=sqimap_fgets($imap_stream); |
484 | if ($imap_auth_mech == 'digest-md5') { |
485 | // DIGEST-MD5 has an extra step.. |
486 | if (substr($read,0,1) == '+') { // OK so far.. |
487 | fputs($imap_stream,"\r\n"); |
488 | $read=sqimap_fgets($imap_stream); |
489 | } |
490 | } |
491 | $results=explode(" ",$read,3); |
492 | $response=$results[1]; |
493 | $message=$results[2]; |
47a29326 |
494 | } else { |
098ea084 |
495 | // Fake the response, so the error trap at the bottom will work |
496 | $response="BAD"; |
497 | $message='IMAP server does not appear to support the authentication method selected.'; |
498 | $message .= ' Please contact your system administrator.'; |
47a29326 |
499 | } |
fe0b18b3 |
500 | } elseif ($imap_auth_mech == 'login') { |
098ea084 |
501 | // Original IMAP login code |
fbb76d0e |
502 | $query = 'LOGIN "' . quoteimap($username) . '" "' . quoteimap($password) . '"'; |
47a29326 |
503 | $read = sqimap_run_command ($imap_stream, $query, false, $response, $message); |
1e7fc1cb |
504 | } elseif ($imap_auth_mech == 'plain') { |
098ea084 |
505 | /* Replace this with SASL PLAIN if it ever gets implemented */ |
506 | $response="BAD"; |
507 | $message='SquirrelMail does not support SASL PLAIN yet. Rerun conf.pl and use login instead.'; |
508 | } else { |
509 | $response="BAD"; |
510 | $message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers."; |
511 | } |
47a29326 |
512 | |
098ea084 |
513 | /* If the connection was not successful, lets see why */ |
9c737111 |
514 | if ($response != 'OK') { |
515 | if (!$hide) { |
74424a43 |
516 | if ($response != 'NO') { |
3411d4ec |
517 | /* "BAD" and anything else gets reported here. */ |
098ea084 |
518 | $message = htmlspecialchars($message); |
9c737111 |
519 | set_up_language($squirrelmail_language, true); |
098ea084 |
520 | require_once(SM_PATH . 'functions/display_messages.php'); |
9c737111 |
521 | if ($response == 'BAD') { |
bea3eb1e |
522 | $string = sprintf (_("Bad request: %s")."<br>\r\n", $message); |
9c737111 |
523 | } else { |
bea3eb1e |
524 | $string = sprintf (_("Unknown error: %s") . "<br>\n", $message); |
9c737111 |
525 | } |
1e7fc1cb |
526 | if (isset($read) && is_array($read)) { |
bea3eb1e |
527 | $string .= '<br>' . _("Read data:") . "<br>\n"; |
9c737111 |
528 | foreach ($read as $line) { |
1f720b34 |
529 | $string .= htmlspecialchars($line) . "<br>\n"; |
9c737111 |
530 | } |
531 | } |
098ea084 |
532 | error_box($string,$color); |
9c737111 |
533 | exit; |
165e24a7 |
534 | } else { |
3411d4ec |
535 | /* |
536 | * If the user does not log in with the correct |
1c72b151 |
537 | * username and password it is not possible to get the |
538 | * correct locale from the user's preferences. |
539 | * Therefore, apply the same hack as on the login |
540 | * screen. |
3411d4ec |
541 | * |
542 | * $squirrelmail_language is set by a cookie when |
1c72b151 |
543 | * the user selects language and logs out |
bee165ef |
544 | */ |
9be8198d |
545 | |
9c737111 |
546 | set_up_language($squirrelmail_language, true); |
bd9c880b |
547 | include_once(SM_PATH . 'functions/display_messages.php' ); |
098ea084 |
548 | sqsession_destroy(); |
bd9c880b |
549 | logout_error( _("Unknown user or password incorrect.") ); |
9c737111 |
550 | exit; |
052e0c26 |
551 | } |
9c737111 |
552 | } else { |
052e0c26 |
553 | exit; |
9c737111 |
554 | } |
555 | } |
9c737111 |
556 | return $imap_stream; |
557 | } |
f1e6f580 |
558 | |
3411d4ec |
559 | /* Simply logs out the IMAP session */ |
9c737111 |
560 | function sqimap_logout ($imap_stream) { |
8d936b0c |
561 | /* Logout is not valid until the server returns 'BYE' |
562 | * If we don't have an imap_ stream we're already logged out */ |
26a2cc8b |
563 | if(isset($imap_stream) && $imap_stream) |
8d936b0c |
564 | sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message); |
9c737111 |
565 | } |
566 | |
487daa81 |
567 | function sqimap_capability($imap_stream, $capability='') { |
9c737111 |
568 | global $sqimap_capabilities; |
9c737111 |
569 | if (!is_array($sqimap_capabilities)) { |
1c72b151 |
570 | $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b); |
571 | |
9c737111 |
572 | $c = explode(' ', $read[0]); |
573 | for ($i=2; $i < count($c); $i++) { |
574 | $cap_list = explode('=', $c[$i]); |
3411d4ec |
575 | if (isset($cap_list[1])) { |
9c737111 |
576 | $sqimap_capabilities[$cap_list[0]] = $cap_list[1]; |
3411d4ec |
577 | } else { |
9c737111 |
578 | $sqimap_capabilities[$cap_list[0]] = TRUE; |
3411d4ec |
579 | } |
f1e6f580 |
580 | } |
9c737111 |
581 | } |
487daa81 |
582 | if ($capability) { |
098ea084 |
583 | if (isset($sqimap_capabilities[$capability])) { |
584 | return $sqimap_capabilities[$capability]; |
585 | } else { |
586 | return false; |
587 | } |
f1e6f580 |
588 | } |
487daa81 |
589 | return $sqimap_capabilities; |
9c737111 |
590 | } |
591 | |
3411d4ec |
592 | /* Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test */ |
9c737111 |
593 | function sqimap_get_delimiter ($imap_stream = false) { |
3411d4ec |
594 | global $sqimap_delimiter, $optional_delimiter; |
85fc999e |
595 | |
9c737111 |
596 | /* Use configured delimiter if set */ |
597 | if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') { |
598 | return $optional_delimiter; |
599 | } |
85fc999e |
600 | |
9c737111 |
601 | /* Do some caching here */ |
602 | if (!$sqimap_delimiter) { |
603 | if (sqimap_capability($imap_stream, 'NAMESPACE')) { |
3411d4ec |
604 | /* |
605 | * According to something that I can't find, this is supposed to work on all systems |
606 | * OS: This won't work in Courier IMAP. |
607 | * OS: According to rfc2342 response from NAMESPACE command is: |
608 | * OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES) |
609 | * OS: We want to lookup all personal NAMESPACES... |
610 | */ |
1c72b151 |
611 | $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b); |
f1e6f580 |
612 | if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) { |
9c737111 |
613 | if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) { |
f1e6f580 |
614 | $pn = $data2[1]; |
9c737111 |
615 | } |
f1e6f580 |
616 | $pna = explode(')(', $pn); |
9c737111 |
617 | while (list($k, $v) = each($pna)) { |
862ff2d3 |
618 | $lst = explode('"', $v); |
619 | if (isset($lst[3])) { |
620 | $pn[$lst[1]] = $lst[3]; |
621 | } else { |
74424a43 |
622 | $pn[$lst[1]] = ''; |
862ff2d3 |
623 | } |
f1e6f580 |
624 | } |
625 | } |
626 | $sqimap_delimiter = $pn[0]; |
627 | } else { |
628 | fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n"); |
629 | $read = sqimap_read_data($imap_stream, '.', true, $a, $b); |
630 | $quote_position = strpos ($read[0], '"'); |
631 | $sqimap_delimiter = substr ($read[0], $quote_position+1, 1); |
632 | } |
633 | } |
634 | return $sqimap_delimiter; |
9c737111 |
635 | } |
052e0c26 |
636 | |
637 | |
3411d4ec |
638 | /* Gets the number of messages in the current mailbox. */ |
9c737111 |
639 | function sqimap_get_num_messages ($imap_stream, $mailbox) { |
1f720b34 |
640 | $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", false, $result, $message); |
9c737111 |
641 | for ($i = 0; $i < count($read_ary); $i++) { |
85fc999e |
642 | if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) { |
643 | return $regs[1]; |
644 | } |
9c737111 |
645 | } |
1f720b34 |
646 | return false; //"BUG! Couldn't get number of messages in $mailbox!"; |
9c737111 |
647 | } |
648 | |
cfe1a81e |
649 | |
91688e5f |
650 | function parseAddress($address, $max=0) { |
651 | $aTokens = array(); |
652 | $aAddress = array(); |
653 | $iCnt = strlen($address); |
654 | $aSpecials = array('(' ,'<' ,',' ,';' ,':'); |
655 | $aReplace = array(' (',' <',' ,',' ;',' :'); |
656 | $address = str_replace($aSpecials,$aReplace,$address); |
657 | $i = 0; |
658 | while ($i < $iCnt) { |
659 | $cChar = $address{$i}; |
660 | switch($cChar) |
329a7ca5 |
661 | { |
662 | case '<': |
663 | $iEnd = strpos($address,'>',$i+1); |
664 | if (!$iEnd) { |
665 | $sToken = substr($address,$i); |
666 | $i = $iCnt; |
667 | } else { |
668 | $sToken = substr($address,$i,$iEnd - $i +1); |
669 | $i = $iEnd; |
670 | } |
671 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
672 | $aTokens[] = $sToken; |
673 | break; |
674 | case '"': |
675 | $iEnd = strpos($address,$cChar,$i+1); |
676 | if (!$iEnd) { |
677 | $sToken = substr($address,$i); |
678 | $i = $iCnt; |
679 | } else { |
680 | // also remove the surrounding quotes |
681 | $sToken = substr($address,$i+1,$iEnd - $i -1); |
682 | $i = $iEnd; |
683 | } |
684 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
76c3ee28 |
685 | if ($sToken) $aTokens[] = $sToken; |
329a7ca5 |
686 | break; |
687 | case '(': |
688 | $iEnd = strpos($address,')',$i); |
689 | if (!$iEnd) { |
690 | $sToken = substr($address,$i); |
691 | $i = $iCnt; |
692 | } else { |
693 | $sToken = substr($address,$i,$iEnd - $i + 1); |
694 | $i = $iEnd; |
695 | } |
696 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
697 | $aTokens[] = $sToken; |
698 | break; |
699 | case ',': |
700 | case ';': |
701 | case ';': |
702 | case ' ': |
703 | $aTokens[] = $cChar; |
704 | break; |
91688e5f |
705 | default: |
329a7ca5 |
706 | $iEnd = strpos($address,' ',$i+1); |
707 | if ($iEnd) { |
708 | $sToken = trim(substr($address,$i,$iEnd - $i)); |
709 | $i = $iEnd-1; |
91688e5f |
710 | } else { |
329a7ca5 |
711 | $sToken = trim(substr($address,$i)); |
712 | $i = $iCnt; |
91688e5f |
713 | } |
329a7ca5 |
714 | if ($sToken) $aTokens[] = $sToken; |
91688e5f |
715 | } |
329a7ca5 |
716 | ++$i; |
9c737111 |
717 | } |
91688e5f |
718 | $sPersonal = $sEmail = $sComment = $sGroup = ''; |
719 | $aStack = $aComment = array(); |
720 | foreach ($aTokens as $sToken) { |
721 | if ($max && $max == count($aAddress)) { |
329a7ca5 |
722 | return $aAddress; |
092d4f2c |
723 | } |
329a7ca5 |
724 | $cChar = $sToken{0}; |
91688e5f |
725 | switch ($cChar) |
329a7ca5 |
726 | { |
727 | case '=': |
728 | case '"': |
729 | case ' ': |
730 | $aStack[] = $sToken; |
731 | break; |
732 | case '(': |
733 | $aComment[] = substr($sToken,1,-1); |
734 | break; |
735 | case ';': |
736 | if ($sGroup) { |
737 | $sEmail = trim(implode(' ',$aStack)); |
738 | $aAddress[] = array($sGroup,$sEmail); |
739 | $aStack = $aComment = array(); |
740 | $sGroup = ''; |
741 | break; |
742 | } |
743 | case ',': |
744 | if (!$sEmail) { |
745 | while (count($aStack) && !$sEmail) { |
746 | $sEmail = trim(array_pop($aStack)); |
747 | } |
748 | } |
749 | if (count($aStack)) { |
750 | $sPersonal = trim(implode('',$aStack)); |
751 | } else { |
752 | $sPersonal = ''; |
bea3eb1e |
753 | } |
329a7ca5 |
754 | if (!$sPersonal && count($aComment)) { |
755 | $sComment = implode(' ',$aComment); |
756 | $sPersonal .= $sComment; |
757 | } |
758 | $aAddress[] = array($sEmail,$sPersonal); |
759 | $sPersonal = $sComment = $sEmail = ''; |
760 | $aStack = $aComment = array(); |
761 | break; |
762 | case ':': |
763 | $sGroup = implode(' ',$aStack); break; |
764 | $aStack = array(); |
765 | break; |
766 | case '<': |
767 | $sEmail = trim(substr($sToken,1,-1)); |
768 | break; |
769 | case '>': |
770 | /* skip */ |
771 | break; |
772 | default: $aStack[] = $sToken; break; |
33565ec4 |
773 | } |
7e3de682 |
774 | } |
91688e5f |
775 | /* now do the action again for the last address */ |
776 | if (!$sEmail) { |
777 | while (count($aStack) && !$sEmail) { |
329a7ca5 |
778 | $sEmail = trim(array_pop($aStack)); |
91688e5f |
779 | } |
7e3de682 |
780 | } |
91688e5f |
781 | if (count($aStack)) { |
329a7ca5 |
782 | $sPersonal = trim(implode('',$aStack)); |
098ea084 |
783 | } else { |
91688e5f |
784 | $sPersonal = ''; |
9c737111 |
785 | } |
329a7ca5 |
786 | if (!$sPersonal && count($aComment)) { |
91688e5f |
787 | $sComment = implode(' ',$aComment); |
329a7ca5 |
788 | $sPersonal .= $sComment; |
91688e5f |
789 | } |
790 | $aAddress[] = array($sEmail,$sPersonal); |
791 | return $aAddress; |
792 | } |
793 | |
794 | |
85fc999e |
795 | |
9c737111 |
796 | /* |
3411d4ec |
797 | * Returns the number of unseen messages in this folder |
798 | */ |
9c737111 |
799 | function sqimap_unseen_messages ($imap_stream, $mailbox) { |
1f720b34 |
800 | $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", false, $result, $message); |
ea7ff111 |
801 | $i = 0; |
1f720b34 |
802 | $regs = array(false, false); |
ea7ff111 |
803 | while (isset($read_ary[$i])) { |
804 | if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) { |
805 | break; |
806 | } |
807 | $i++; |
808 | } |
9c737111 |
809 | return $regs[1]; |
810 | } |
811 | |
1f720b34 |
812 | /* |
813 | * Returns the number of unseen/total messages in this folder |
814 | */ |
815 | function sqimap_status_messages ($imap_stream, $mailbox) { |
b8ec18ef |
816 | $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (MESSAGES UNSEEN RECENT)", false, $result, $message); |
1f720b34 |
817 | $i = 0; |
b8ec18ef |
818 | $messages = $unseen = $recent = false; |
1f720b34 |
819 | $regs = array(false,false); |
820 | while (isset($read_ary[$i])) { |
821 | if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
822 | $unseen = $regs[1]; |
823 | } |
1f720b34 |
824 | if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
825 | $messages = $regs[1]; |
826 | } |
b8ec18ef |
827 | if (preg_match('/RECENT\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
828 | $recent = $regs[1]; |
829 | } |
1f720b34 |
830 | $i++; |
831 | } |
b8ec18ef |
832 | return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen, 'RECENT' => $recent); |
1f720b34 |
833 | } |
834 | |
9c737111 |
835 | |
836 | /* |
3411d4ec |
837 | * Saves a message to a given folder -- used for saving sent messages |
838 | */ |
9c737111 |
839 | function sqimap_append ($imap_stream, $sent_folder, $length) { |
840 | fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n"); |
85fc999e |
841 | $tmp = fgets ($imap_stream, 1024); |
9c737111 |
842 | } |
843 | |
8813fb15 |
844 | function sqimap_append_done ($imap_stream, $folder='') { |
1f720b34 |
845 | global $squirrelmail_language, $color; |
9c737111 |
846 | fputs ($imap_stream, "\r\n"); |
847 | $tmp = fgets ($imap_stream, 1024); |
69146537 |
848 | if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) { |
849 | set_up_language($squirrelmail_language); |
1f720b34 |
850 | require_once(SM_PATH . 'functions/display_messages.php'); |
098ea084 |
851 | $reason = $regs[3]; |
852 | if ($regs[2] == 'NO') { |
853 | $string = "<b><font color=$color[2]>\n" . |
854 | _("ERROR : Could not append message to") ." $folder." . |
855 | "</b><br>\n" . |
856 | _("Server responded: ") . |
857 | $reason . "<br>\n"; |
858 | if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) { |
859 | $string .= _("Solution: ") . |
860 | _("Remove unneccessary messages from your folder and start with your Trash folder.") |
861 | ."<br>\n"; |
862 | } |
863 | $string .= "</font>\n"; |
864 | error_box($string,$color); |
865 | } else { |
8813fb15 |
866 | $string = "<b><font color=$color[2]>\n" . |
098ea084 |
867 | _("ERROR : Bad or malformed request.") . |
868 | "</b><br>\n" . |
869 | _("Server responded: ") . |
870 | $tmp . "</font><br>\n"; |
871 | error_box($string,$color); |
8813fb15 |
872 | exit; |
098ea084 |
873 | } |
69146537 |
874 | } |
9c737111 |
875 | } |
85fc999e |
876 | |
bd9829d7 |
877 | function sqimap_get_user_server ($imap_server, $username) { |
bd9829d7 |
878 | if (substr($imap_server, 0, 4) != "map:") { |
879 | return $imap_server; |
880 | } |
bd9829d7 |
881 | $function = substr($imap_server, 4); |
882 | return $function($username); |
883 | } |
884 | |
885 | /* This is an example that gets imapservers from yellowpages (NIS). |
886 | * you can simple put map:map_yp_alias in your $imap_server_address |
887 | * in config.php use your own function instead map_yp_alias to map your |
888 | * LDAP whatever way to find the users imapserver. */ |
889 | |
890 | function map_yp_alias($username) { |
891 | $yp = `ypmatch $username aliases`; |
892 | return chop(substr($yp, strlen($username)+1)); |
893 | } |
894 | |
15e6162e |
895 | ?> |