59177427 |
1 | <?php |
bccadd02 |
2 | |
35586184 |
3 | /** |
a6fd80f5 |
4 | * imap_general.php |
35586184 |
5 | * |
82d304a0 |
6 | * Copyright (c) 1999-2004 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 | * |
eb19bc67 |
11 | * @version $Id$ |
d6c32258 |
12 | * @package squirrelmail |
eb19bc67 |
13 | * @subpackage imap |
35586184 |
14 | */ |
15 | |
d6c32258 |
16 | /** Includes.. */ |
b68edc75 |
17 | require_once(SM_PATH . 'functions/page_header.php'); |
47a29326 |
18 | require_once(SM_PATH . 'functions/auth.php'); |
19 | |
35586184 |
20 | |
48af4b64 |
21 | /** |
22 | * Generates a new session ID by incrementing the last one used; |
23 | * this ensures that each command has a unique ID. |
24 | * @param bool unique_id |
25 | * @return string IMAP session id of the form 'A000'. |
26 | */ |
2aca19a1 |
27 | function sqimap_session_id($unique_id = FALSE) { |
28 | static $sqimap_session_id = 1; |
29 | |
487daa81 |
30 | if (!$unique_id) { |
098ea084 |
31 | return( sprintf("A%03d", $sqimap_session_id++) ); |
487daa81 |
32 | } else { |
098ea084 |
33 | return( sprintf("A%03d", $sqimap_session_id++) . ' UID' ); |
487daa81 |
34 | } |
9c737111 |
35 | } |
36 | |
48af4b64 |
37 | /** |
3411d4ec |
38 | * Both send a command and accept the result from the command. |
39 | * This is to allow proper session number handling. |
40 | */ |
487daa81 |
41 | function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) { |
c5809184 |
42 | if ($imap_stream) { |
098ea084 |
43 | $sid = sqimap_session_id($unique_id); |
44 | fputs ($imap_stream, $sid . ' ' . $query . "\r\n"); |
bc78cc6e |
45 | $tag_uid_a = explode(' ',trim($sid)); |
46 | $tag = $tag_uid_a[0]; |
0dc05a81 |
47 | $read = sqimap_retrieve_imap_response ($imap_stream, $tag, $handle_errors, $response, $message, $query ); |
bc78cc6e |
48 | /* get the response and the message */ |
49 | $message = $message[$tag]; |
50 | $response = $response[$tag]; |
51 | return $read[$tag]; |
c5809184 |
52 | } else { |
53 | global $squirrelmail_language, $color; |
54 | set_up_language($squirrelmail_language); |
55 | require_once(SM_PATH . 'functions/display_messages.php'); |
56 | $string = "<b><font color=$color[2]>\n" . |
57 | _("ERROR : No available imapstream.") . |
58 | "</b></font>\n"; |
59 | error_box($string,$color); |
098ea084 |
60 | return false; |
c5809184 |
61 | } |
1c72b151 |
62 | } |
63 | |
7c7b74b3 |
64 | function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, |
65 | &$message, $unique_id = false,$filter=false, |
66 | $outputstream=false,$no_return=false) { |
c5809184 |
67 | if ($imap_stream) { |
68 | $sid = sqimap_session_id($unique_id); |
bc78cc6e |
69 | fputs ($imap_stream, $sid . ' ' . $query . "\r\n"); |
70 | $tag_uid_a = explode(' ',trim($sid)); |
71 | $tag = $tag_uid_a[0]; |
72 | |
73 | $read = sqimap_read_data ($imap_stream, $tag, $handle_errors, $response, |
7c7b74b3 |
74 | $message, $query,$filter,$outputstream,$no_return); |
ec73f243 |
75 | if (empty($read)) { //Imap server dropped its connection |
76 | $response = ''; |
77 | $message = ''; |
78 | return false; |
79 | } |
bc78cc6e |
80 | /* retrieve the response and the message */ |
81 | $response = $response[$tag]; |
82 | $message = $message[$tag]; |
ec73f243 |
83 | |
bc78cc6e |
84 | if (!empty($read[$tag])) { |
85 | return $read[$tag][0]; |
86 | } else { |
87 | return $read[$tag]; |
88 | } |
c5809184 |
89 | } else { |
90 | global $squirrelmail_language, $color; |
91 | set_up_language($squirrelmail_language); |
92 | require_once(SM_PATH . 'functions/display_messages.php'); |
93 | $string = "<b><font color=$color[2]>\n" . |
94 | _("ERROR : No available imapstream.") . |
95 | "</b></font>\n"; |
96 | error_box($string,$color); |
098ea084 |
97 | return false; |
bc78cc6e |
98 | } |
99 | } |
48af4b64 |
100 | |
bc78cc6e |
101 | function sqimap_prepare_pipelined_query($new_query,&$tag,&$aQuery,$unique_id) { |
102 | $sid = sqimap_session_id($unique_id); |
103 | $tag_uid_a = explode(' ',trim($sid)); |
104 | $tag = $tag_uid_a[0]; |
0b38d197 |
105 | $query = $sid . ' '.$new_query."\r\n"; |
bc78cc6e |
106 | $aQuery[$tag] = $query; |
42a07ac1 |
107 | } |
108 | |
52c8b585 |
109 | function sqimap_run_pipelined_command ($imap_stream, $aQueryList, $handle_errors, |
bc78cc6e |
110 | &$aServerResponse, &$aServerMessage, $unique_id = false, |
5c300c60 |
111 | $filter=false,$outputstream=false,$no_return=false) { |
bc78cc6e |
112 | $aResponse = false; |
5c300c60 |
113 | |
52c8b585 |
114 | /* |
115 | Do not fire all calls at once to the imap-server but split the calls up |
116 | in portions of $iChunkSize. If we do not do that I think we misbehave as |
117 | IMAP client or should handle BYE calls if the IMAP-server drops the |
118 | connection because the number of queries is to large. This isn't tested |
119 | but a wild guess how it could work in the field. |
0b38d197 |
120 | |
c03cba15 |
121 | After testing it on Exchange 2000 we discovered that a chunksize of 32 |
0b38d197 |
122 | was quicker then when we raised it to 128. |
52c8b585 |
123 | */ |
124 | $iQueryCount = count($aQueryList); |
125 | $iChunkSize = 32; |
126 | // array_chunk would also do the job but it's supported from php > 4.2 |
127 | $aQueryChunks = array(); |
128 | $iLoops = floor($iQueryCount / $iChunkSize); |
129 | |
5c300c60 |
130 | if ($iLoops * $iChunkSize != $iQueryCount) ++$iLoops; |
52c8b585 |
131 | |
132 | if (!function_exists('array_chunk')) { // arraychunk replacement |
5c300c60 |
133 | reset($aQueryList); |
52c8b585 |
134 | for($i=0;$i<$iLoops;++$i) { |
5c300c60 |
135 | for($j=0;$j<$iChunkSize;++$j) { |
136 | $key = key($aQueryList); |
137 | $aTmp[$key] = $aQueryList[$key]; |
138 | if (next($aQueryList) === false) break; |
139 | } |
140 | $aQueryChunks[] = $aTmp; |
141 | } |
52c8b585 |
142 | } else { |
143 | $aQueryChunks = array_chunk($aQueryList,$iChunkSize,true); |
bc78cc6e |
144 | } |
52c8b585 |
145 | |
146 | for ($i=0;$i<$iLoops;++$i) { |
147 | $aQuery = $aQueryChunks[$i]; |
148 | foreach($aQuery as $tag => $query) { |
149 | fputs($imap_stream,$query); |
150 | $aResults[$tag] = false; |
151 | } |
52c8b585 |
152 | foreach($aQuery as $tag => $query) { |
5c300c60 |
153 | if ($aResults[$tag] == false) { |
0dc05a81 |
154 | $aReturnedResponse = sqimap_retrieve_imap_response ($imap_stream, $tag, |
bc78cc6e |
155 | $handle_errors, $response, $message, $query, |
156 | $filter,$outputstream,$no_return); |
52c8b585 |
157 | foreach ($aReturnedResponse as $returned_tag => $aResponse) { |
5c300c60 |
158 | if (!empty($aResponse)) { |
52c8b585 |
159 | $aResults[$returned_tag] = $aResponse[0]; |
5c300c60 |
160 | } else { |
161 | $aResults[$returned_tag] = $aResponse; |
162 | } |
52c8b585 |
163 | $aServerResponse[$returned_tag] = $response[$returned_tag]; |
164 | $aServerMessage[$returned_tag] = $message[$returned_tag]; |
165 | } |
bc78cc6e |
166 | } |
167 | } |
168 | } |
b7277e4f |
169 | return $aResults; |
bc78cc6e |
170 | } |
9c737111 |
171 | |
48af4b64 |
172 | /** |
173 | * Custom fgets function: gets a line from the IMAP-server, |
174 | * no matter how big it may be. |
175 | * @param stream imap_stream the stream to read from |
176 | * @return string a line |
b8c285ab |
177 | */ |
b8c285ab |
178 | function sqimap_fgets($imap_stream) { |
179 | $read = ''; |
180 | $buffer = 4096; |
181 | $results = ''; |
c41daf03 |
182 | $offset = 0; |
183 | while (strpos($results, "\r\n", $offset) === false) { |
b8c285ab |
184 | if (!($read = fgets($imap_stream, $buffer))) { |
329a7ca5 |
185 | /* this happens in case of an error */ |
186 | /* reset $results because it's useless */ |
187 | $results = false; |
b8c285ab |
188 | break; |
189 | } |
c41daf03 |
190 | if ( $results != '' ) { |
191 | $offset = strlen($results) - 1; |
192 | } |
b8c285ab |
193 | $results .= $read; |
194 | } |
195 | return $results; |
196 | } |
197 | |
7c7b74b3 |
198 | function sqimap_fread($imap_stream,$iSize,$filter=false, |
199 | $outputstream=false, $no_return=false) { |
200 | if (!$filter || !$outputstream) { |
201 | $iBufferSize = $iSize; |
202 | } else { |
811318c5 |
203 | // see php bug 24033. They changed fread behaviour %$^&$% |
977a6085 |
204 | $iBufferSize = 7800; // multiple of 78 in case of base64 decoding. |
205 | } |
206 | if ($iSize < $iBufferSize) { |
207 | $iBufferSize = $iSize; |
7c7b74b3 |
208 | } |
7c0ec1d8 |
209 | |
5eba0be2 |
210 | $iRetrieved = 0; |
977a6085 |
211 | $results = ''; |
212 | $sRead = $sReadRem = ''; |
213 | // NB: fread can also stop at end of a packet on sockets. |
214 | while ($iRetrieved < $iSize) { |
7c7b74b3 |
215 | $sRead = fread($imap_stream,$iBufferSize); |
977a6085 |
216 | $iLength = strlen($sRead); |
217 | $iRetrieved += $iLength ; |
218 | $iRemaining = $iSize - $iRetrieved; |
219 | if ($iRemaining < $iBufferSize) { |
220 | $iBufferSize = $iRemaining; |
221 | } |
bc78cc6e |
222 | if (!$sRead) { |
7c7b74b3 |
223 | $results = false; |
224 | break; |
225 | } |
977a6085 |
226 | if ($sReadRem) { |
227 | $sRead = $sReadRem . $sRead; |
228 | $sReadRem = ''; |
229 | } |
7c0ec1d8 |
230 | |
977a6085 |
231 | if ($filter && $sRead) { |
7c0ec1d8 |
232 | // in case the filter is base64 decoding we return a remainder |
233 | $sReadRem = $filter($sRead); |
7c7b74b3 |
234 | } |
977a6085 |
235 | if ($outputstream && $sRead) { |
7c7b74b3 |
236 | if (is_resource($outputstream)) { |
237 | fwrite($outputstream,$sRead); |
238 | } else if ($outputstream == 'php://stdout') { |
239 | echo $sRead; |
240 | } |
241 | } |
242 | if ($no_return) { |
243 | $sRead = ''; |
977a6085 |
244 | } else { |
245 | $results .= $sRead; |
7c7b74b3 |
246 | } |
7c7b74b3 |
247 | } |
248 | return $results; |
249 | } |
977a6085 |
250 | |
7c0ec1d8 |
251 | |
48af4b64 |
252 | /** |
253 | * Obsolete function, inform plugins that use it |
254 | * @deprecated use sqimap_run_command or sqimap_run_command_list instead |
255 | */ |
0dc05a81 |
256 | function sqimap_read_data_list($imap_stream, $tag, $handle_errors, |
257 | &$response, &$message, $query = '') { |
258 | global $color, $squirrelmail_language; |
259 | set_up_language($squirrelmail_language); |
260 | require_once(SM_PATH . 'functions/display_messages.php'); |
261 | $string = "<b><font color=$color[2]>\n" . |
262 | _("ERROR : Bad function call.") . |
263 | "</b><br>\n" . |
264 | _("Reason:") . ' '. |
265 | 'There is a plugin installed which make use of the <br>' . |
266 | 'SquirrelMail internal function sqimap_read_data_list.<br>'. |
5c300c60 |
267 | 'Please adapt the installed plugin and let it use<br>'. |
268 | 'sqimap_run_command or sqimap_run_command_list instead<br><br>'. |
269 | 'The following query was issued:<br>'. |
0dc05a81 |
270 | htmlspecialchars($query) . '<br>' . "</font><br>\n"; |
271 | error_box($string,$color); |
272 | echo '</body></html>'; |
273 | exit; |
274 | } |
7c7b74b3 |
275 | |
48af4b64 |
276 | /** |
277 | * Function to display an error related to an IMAP-query. |
278 | * @param string title the caption of the error box |
279 | * @param string query the query that went wrong |
ec73f243 |
280 | * @param string message_title optional message title |
281 | * @param string message optional error message |
282 | * @param string $link an optional link to try again |
48af4b64 |
283 | * @return void |
284 | */ |
ec73f243 |
285 | function sqimap_error_box($title, $query = '', $message_title = '', $message = '', $link = '') |
4974c2a0 |
286 | { |
287 | global $color, $squirrelmail_language; |
288 | |
289 | set_up_language($squirrelmail_language); |
290 | require_once(SM_PATH . 'functions/display_messages.php'); |
291 | $string = "<font color=$color[2]><b>\n" . $title . "</b><br>\n"; |
bf15f116 |
292 | $cmd = explode(' ',$query); |
293 | $cmd= strtolower($cmd[0]); |
294 | |
295 | if ($query != '' && $cmd != 'login') |
4974c2a0 |
296 | $string .= _("Query:") . ' ' . htmlspecialchars($query) . '<br>'; |
297 | if ($message_title != '') |
298 | $string .= $message_title; |
299 | if ($message != '') |
300 | $string .= htmlspecialchars($message); |
301 | $string .= "</font><br>\n"; |
ec73f243 |
302 | if ($link != '') |
303 | $string .= $link; |
4974c2a0 |
304 | error_box($string,$color); |
305 | } |
306 | |
48af4b64 |
307 | /** |
3411d4ec |
308 | * Reads the output from the IMAP stream. If handle_errors is set to true, |
309 | * this will also handle all errors that are received. If it is not set, |
48af4b64 |
310 | * the errors will be sent back through $response and $message. |
bee165ef |
311 | */ |
0dc05a81 |
312 | function sqimap_retrieve_imap_response($imap_stream, $tag, $handle_errors, |
7c7b74b3 |
313 | &$response, &$message, $query = '', |
314 | $filter = false, $outputstream = false, $no_return = false) { |
9c737111 |
315 | global $color, $squirrelmail_language; |
9c737111 |
316 | $read = ''; |
bc78cc6e |
317 | if (!is_array($message)) $message = array(); |
318 | if (!is_array($response)) $response = array(); |
ec73f243 |
319 | $aResponse = ''; |
b8c285ab |
320 | $resultlist = array(); |
321 | $data = array(); |
322 | $read = sqimap_fgets($imap_stream); |
5c300c60 |
323 | $i = $k = 0; |
bea3eb1e |
324 | while ($read) { |
325 | $char = $read{0}; |
326 | switch ($char) |
327 | { |
15bc7f66 |
328 | case '+': |
329 | default: |
330 | $read = sqimap_fgets($imap_stream); |
331 | break; |
332 | |
333 | case $tag{0}: |
334 | { |
bea3eb1e |
335 | /* get the command */ |
336 | $arg = ''; |
337 | $i = strlen($tag)+1; |
338 | $s = substr($read,$i); |
339 | if (($j = strpos($s,' ')) || ($j = strpos($s,"\n"))) { |
340 | $arg = substr($s,0,$j); |
341 | } |
342 | $found_tag = substr($read,0,$i-1); |
5c300c60 |
343 | if ($found_tag) { |
bea3eb1e |
344 | switch ($arg) |
345 | { |
15bc7f66 |
346 | case 'OK': |
347 | case 'BAD': |
348 | case 'NO': |
349 | case 'BYE': |
350 | case 'PREAUTH': |
bc78cc6e |
351 | $response[$found_tag] = $arg; |
352 | $message[$found_tag] = trim(substr($read,$i+strlen($arg))); |
353 | if (!empty($data)) { |
354 | $resultlist[] = $data; |
355 | } |
5c300c60 |
356 | $aResponse[$found_tag] = $resultlist; |
357 | $data = $resultlist = array(); |
358 | if ($found_tag == $tag) { |
359 | break 3; /* switch switch while */ |
360 | } |
361 | break; |
329a7ca5 |
362 | default: |
bea3eb1e |
363 | /* this shouldn't happen */ |
bc78cc6e |
364 | $response[$found_tag] = $arg; |
365 | $message[$found_tag] = trim(substr($read,$i+strlen($arg))); |
366 | if (!empty($data)) { |
367 | $resultlist[] = $data; |
368 | } |
369 | $aResponse[$found_tag] = $resultlist; |
5c300c60 |
370 | $data = $resultlist = array(); |
371 | if ($found_tag == $tag) { |
372 | break 3; /* switch switch while */ |
373 | } |
bc78cc6e |
374 | } |
bea3eb1e |
375 | } |
5c300c60 |
376 | $read = sqimap_fgets($imap_stream); |
377 | if ($read === false) { /* error */ |
378 | break 3; /* switch switch while */ |
379 | } |
380 | break; |
15bc7f66 |
381 | } // end case $tag{0} |
382 | |
383 | case '*': |
384 | { |
bea3eb1e |
385 | if (preg_match('/^\*\s\d+\sFETCH/',$read)) { |
386 | /* check for literal */ |
387 | $s = substr($read,-3); |
388 | $fetch_data = array(); |
389 | do { /* outer loop, continue until next untagged fetch |
390 | or tagged reponse */ |
391 | do { /* innerloop for fetching literals. with this loop |
392 | we prohibid that literal responses appear in the |
393 | outer loop so we can trust the untagged and |
394 | tagged info provided by $read */ |
395 | if ($s === "}\r\n") { |
396 | $j = strrpos($read,'{'); |
397 | $iLit = substr($read,$j+1,-3); |
398 | $fetch_data[] = $read; |
7c7b74b3 |
399 | $sLiteral = sqimap_fread($imap_stream,$iLit,$filter,$outputstream,$no_return); |
329a7ca5 |
400 | if ($sLiteral === false) { /* error */ |
401 | break 4; /* while while switch while */ |
402 | } |
bea3eb1e |
403 | /* backwards compattibility */ |
404 | $aLiteral = explode("\n", $sLiteral); |
405 | /* release not neaded data */ |
406 | unset($sLiteral); |
407 | foreach ($aLiteral as $line) { |
408 | $fetch_data[] = $line ."\n"; |
409 | } |
410 | /* release not neaded data */ |
411 | unset($aLiteral); |
412 | /* next fgets belongs to this fetch because |
413 | we just got the exact literalsize and there |
414 | must follow data to complete the response */ |
329a7ca5 |
415 | $read = sqimap_fgets($imap_stream); |
416 | if ($read === false) { /* error */ |
417 | break 4; /* while while switch while */ |
418 | } |
c0b23345 |
419 | $fetch_data[] = $read; |
bea3eb1e |
420 | } else { |
329a7ca5 |
421 | $fetch_data[] = $read; |
bea3eb1e |
422 | } |
423 | /* retrieve next line and check in the while |
424 | statements if it belongs to this fetch response */ |
425 | $read = sqimap_fgets($imap_stream); |
329a7ca5 |
426 | if ($read === false) { /* error */ |
427 | break 4; /* while while switch while */ |
428 | } |
bea3eb1e |
429 | /* check for next untagged reponse and break */ |
430 | if ($read{0} == '*') break 2; |
431 | $s = substr($read,-3); |
432 | } while ($s === "}\r\n"); |
433 | $s = substr($read,-3); |
434 | } while ($read{0} !== '*' && |
106d4087 |
435 | substr($read,0,strlen($tag)) !== $tag); |
329a7ca5 |
436 | $resultlist[] = $fetch_data; |
bea3eb1e |
437 | /* release not neaded data */ |
438 | unset ($fetch_data); |
439 | } else { |
440 | $s = substr($read,-3); |
441 | do { |
442 | if ($s === "}\r\n") { |
443 | $j = strrpos($read,'{'); |
444 | $iLit = substr($read,$j+1,-3); |
445 | $data[] = $read; |
329a7ca5 |
446 | $sLiteral = fread($imap_stream,$iLit); |
c0b23345 |
447 | if ($sLiteral === false) { /* error */ |
329a7ca5 |
448 | $read = false; |
449 | break 3; /* while switch while */ |
450 | } |
c0b23345 |
451 | $data[] = $sLiteral; |
b7277e4f |
452 | $data[] = sqimap_fgets($imap_stream); |
bea3eb1e |
453 | } else { |
329a7ca5 |
454 | $data[] = $read; |
bea3eb1e |
455 | } |
456 | $read = sqimap_fgets($imap_stream); |
329a7ca5 |
457 | if ($read === false) { |
458 | break 3; /* while switch while */ |
459 | } else if ($read{0} == '*') { |
106d4087 |
460 | break; |
461 | } |
bea3eb1e |
462 | $s = substr($read,-3); |
463 | } while ($s === "}\r\n"); |
464 | break 1; |
5c300c60 |
465 | } |
bea3eb1e |
466 | break; |
15bc7f66 |
467 | } // end case '*' |
468 | } // end switch |
c0b23345 |
469 | } // end while |
470 | |
471 | /* error processing in case $read is false */ |
d3d9ef2d |
472 | if ($read === false && $handle_errors) { |
473 | // try to retrieve an untagged bye respons from the results |
474 | $sResponse = array_pop($data); |
475 | if ($sResponse != NULL && strpos($sResponse,'* BYE')) { |
476 | $message[$tag] = substr($sResponse,5); |
477 | $response[$tag] = 'BYE'; |
478 | } else { |
479 | unset($data); |
ec73f243 |
480 | sqimap_error_box(_("ERROR : Connection dropped by imap-server."), $query); |
481 | exit; |
482 | } |
b8c285ab |
483 | } |
c0b23345 |
484 | |
15bc7f66 |
485 | /* Set $resultlist array */ |
b8c285ab |
486 | if (!empty($data)) { |
bc78cc6e |
487 | //$resultlist[] = $data; |
9c737111 |
488 | } |
b8c285ab |
489 | elseif (empty($resultlist)) { |
490 | $resultlist[] = array(); |
491 | } |
15bc7f66 |
492 | |
493 | /* Return result or handle errors */ |
bee165ef |
494 | if ($handle_errors == false) { |
bc78cc6e |
495 | return $aResponse; |
dd381002 |
496 | } |
4974c2a0 |
497 | switch ($response[$tag]) { |
dd381002 |
498 | case 'OK': |
bc78cc6e |
499 | return $aResponse; |
329a7ca5 |
500 | break; |
dd381002 |
501 | case 'NO': |
502 | /* ignore this error from M$ exchange, it is not fatal (aka bug) */ |
6b6c2e06 |
503 | if (strstr($message[$tag], 'command resulted in') === false) { |
4974c2a0 |
504 | sqimap_error_box(_("ERROR : Could not complete request."), $query, _("Reason Given: "), $message[$tag]); |
329a7ca5 |
505 | echo '</body></html>'; |
052e0c26 |
506 | exit; |
9c737111 |
507 | } |
329a7ca5 |
508 | break; |
dd381002 |
509 | case 'BAD': |
4974c2a0 |
510 | sqimap_error_box(_("ERROR : Bad or malformed request."), $query, _("Server responded: "), $message[$tag]); |
329a7ca5 |
511 | echo '</body></html>'; |
dd381002 |
512 | exit; |
513 | case 'BYE': |
4974c2a0 |
514 | sqimap_error_box(_("ERROR : Imap server closed the connection."), $query, _("Server responded: "), $message[$tag]); |
329a7ca5 |
515 | echo '</body></html>'; |
9c737111 |
516 | exit; |
dd381002 |
517 | default: |
4974c2a0 |
518 | sqimap_error_box(_("ERROR : Unknown imap response."), $query, _("Server responded: "), $message[$tag]); |
329a7ca5 |
519 | /* the error is displayed but because we don't know the reponse we |
520 | return the result anyway */ |
bc78cc6e |
521 | return $aResponse; |
329a7ca5 |
522 | break; |
9c737111 |
523 | } |
9c737111 |
524 | } |
525 | |
7c7b74b3 |
526 | function sqimap_read_data ($imap_stream, $tag_uid, $handle_errors, |
527 | &$response, &$message, $query = '', |
528 | $filter=false,$outputstream=false,$no_return=false) { |
bc78cc6e |
529 | |
530 | $tag_uid_a = explode(' ',trim($tag_uid)); |
531 | $tag = $tag_uid_a[0]; |
532 | |
0dc05a81 |
533 | $res = sqimap_retrieve_imap_response($imap_stream, $tag, $handle_errors, |
7c7b74b3 |
534 | $response, $message, $query,$filter,$outputstream,$no_return); |
863936bb |
535 | /* sqimap_read_data should be called for one response |
0dc05a81 |
536 | but since it just calls sqimap_retrieve_imap_response which |
863936bb |
537 | handles multiple responses we need to check for that |
538 | and merge the $res array IF they are seperated and |
539 | IF it was a FETCH response. */ |
540 | |
ba8f367a |
541 | // if (isset($res[1]) && is_array($res[1]) && isset($res[1][0]) |
542 | // && preg_match('/^\* \d+ FETCH/', $res[1][0])) { |
543 | // $result = array(); |
544 | // foreach($res as $index=>$value) { |
545 | // $result = array_merge($result, $res["$index"]); |
546 | // } |
547 | // } |
863936bb |
548 | if (isset($result)) { |
bc78cc6e |
549 | return $result[$tag]; |
56afb33f |
550 | } |
56afb33f |
551 | else { |
bc78cc6e |
552 | return $res; |
56afb33f |
553 | } |
9c737111 |
554 | } |
555 | |
48af4b64 |
556 | /** |
b98732e8 |
557 | * Connects to the IMAP server and returns a resource identifier for use with |
558 | * the other SquirrelMail IMAP functions. Does NOT login! |
48af4b64 |
559 | * @param string server hostname of IMAP server |
560 | * @param int port port number to connect to |
561 | * @param bool tls whether to use TLS when connecting. |
562 | * @return imap-stream resource identifier |
b98732e8 |
563 | */ |
564 | function sqimap_create_stream($server,$port,$tls=false) { |
565 | global $username, $use_imap_tls; |
566 | |
57ffe0af |
567 | if ($tls == true) { |
b98732e8 |
568 | if ((check_php_version(4,3)) and (extension_loaded('openssl'))) { |
569 | /* Use TLS by prefixing "tls://" to the hostname */ |
57ffe0af |
570 | $server = 'tls://' . $server; |
b98732e8 |
571 | } else { |
572 | require_once(SM_PATH . 'functions/display_messages.php'); |
573 | $string = "Unable to connect to IMAP server!<br>TLS is enabled, but this " . |
574 | "version of PHP does not support TLS sockets, or is missing the openssl " . |
575 | "extension.<br><br>Please contact your system administrator."; |
576 | logout_error($string,$color); |
577 | } |
578 | } |
579 | |
580 | $imap_stream = fsockopen($server, $port, $error_number, $error_string, 15); |
581 | |
582 | /* Do some error correction */ |
583 | if (!$imap_stream) { |
584 | set_up_language($squirrelmail_language, true); |
585 | require_once(SM_PATH . 'functions/display_messages.php'); |
586 | $string = sprintf (_("Error connecting to IMAP server: %s.") . |
587 | "<br>\r\n", $server) . |
588 | "$error_number : $error_string<br>\r\n"; |
589 | logout_error($string,$color); |
590 | exit; |
591 | } |
592 | $server_info = fgets ($imap_stream, 1024); |
593 | return $imap_stream; |
594 | } |
595 | |
48af4b64 |
596 | /** |
3411d4ec |
597 | * Logs the user into the imap server. If $hide is set, no error messages |
598 | * will be displayed. This function returns the imap connection handle. |
599 | */ |
9c737111 |
600 | function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { |
fe55c7c7 |
601 | global $color, $squirrelmail_language, $onetimepad, $use_imap_tls, |
602 | $imap_auth_mech, $sqimap_capabilities; |
85fc999e |
603 | |
eb2f6102 |
604 | if (!isset($onetimepad) || empty($onetimepad)) { |
605 | sqgetglobalvar('onetimepad' , $onetimepad , SQ_SESSION ); |
606 | } |
fe55c7c7 |
607 | if (!isset($sqimap_capabilities)) { |
608 | sqgetglobalvar('sqimap_capabilities' , $capability , SQ_SESSION ); |
609 | } |
610 | |
b98732e8 |
611 | $host = $imap_server_address; |
bd9829d7 |
612 | $imap_server_address = sqimap_get_user_server($imap_server_address, $username); |
fe55c7c7 |
613 | |
b98732e8 |
614 | $imap_stream = sqimap_create_stream($imap_server_address,$imap_port,$use_imap_tls); |
fe55c7c7 |
615 | |
2f1f7a12 |
616 | /* Decrypt the password */ |
617 | $password = OneTimePadDecrypt($password, $onetimepad); |
618 | |
b98732e8 |
619 | if (($imap_auth_mech == 'cram-md5') OR ($imap_auth_mech == 'digest-md5')) { |
620 | // We're using some sort of authentication OTHER than plain or login |
621 | $tag=sqimap_session_id(false); |
622 | if ($imap_auth_mech == 'digest-md5') { |
098ea084 |
623 | $query = $tag . " AUTHENTICATE DIGEST-MD5\r\n"; |
b98732e8 |
624 | } elseif ($imap_auth_mech == 'cram-md5') { |
098ea084 |
625 | $query = $tag . " AUTHENTICATE CRAM-MD5\r\n"; |
b98732e8 |
626 | } |
627 | fputs($imap_stream,$query); |
628 | $answer=sqimap_fgets($imap_stream); |
629 | // Trim the "+ " off the front |
630 | $response=explode(" ",$answer,3); |
631 | if ($response[0] == '+') { |
098ea084 |
632 | // Got a challenge back |
b98732e8 |
633 | $challenge=$response[1]; |
634 | if ($imap_auth_mech == 'digest-md5') { |
635 | $reply = digest_md5_response($username,$password,$challenge,'imap',$host); |
636 | } elseif ($imap_auth_mech == 'cram-md5') { |
637 | $reply = cram_md5_response($username,$password,$challenge); |
638 | } |
639 | fputs($imap_stream,$reply); |
640 | $read=sqimap_fgets($imap_stream); |
641 | if ($imap_auth_mech == 'digest-md5') { |
642 | // DIGEST-MD5 has an extra step.. |
643 | if (substr($read,0,1) == '+') { // OK so far.. |
098ea084 |
644 | fputs($imap_stream,"\r\n"); |
645 | $read=sqimap_fgets($imap_stream); |
098ea084 |
646 | } |
b98732e8 |
647 | } |
648 | $results=explode(" ",$read,3); |
649 | $response=$results[1]; |
650 | $message=$results[2]; |
651 | } else { |
652 | // Fake the response, so the error trap at the bottom will work |
653 | $response="BAD"; |
654 | $message='IMAP server does not appear to support the authentication method selected.'; |
655 | $message .= ' Please contact your system administrator.'; |
656 | } |
fe0b18b3 |
657 | } elseif ($imap_auth_mech == 'login') { |
b98732e8 |
658 | // Original IMAP login code |
659 | $query = 'LOGIN "' . quoteimap($username) . '" "' . quoteimap($password) . '"'; |
660 | $read = sqimap_run_command ($imap_stream, $query, false, $response, $message); |
1e7fc1cb |
661 | } elseif ($imap_auth_mech == 'plain') { |
fe55c7c7 |
662 | /*** |
663 | * SASL PLAIN |
664 | * |
665 | * RFC 2595 Chapter 6 |
666 | * |
667 | * The mechanism consists of a single message from the client to the |
668 | * server. The client sends the authorization identity (identity to |
669 | * login as), followed by a US-ASCII NUL character, followed by the |
670 | * authentication identity (identity whose password will be used), |
671 | * followed by a US-ASCII NUL character, followed by the clear-text |
672 | * password. The client may leave the authorization identity empty to |
673 | * indicate that it is the same as the authentication identity. |
674 | * |
675 | **/ |
b98732e8 |
676 | $tag=sqimap_session_id(false); |
2bd6b461 |
677 | $sasl = (isset($capability['SASL-IR']) && $capability['SASL-IR']) ? true : false; |
b98732e8 |
678 | $auth = base64_encode("$username\0$username\0$password"); |
fe55c7c7 |
679 | if ($sasl) { |
680 | // IMAP Extension for SASL Initial Client Response |
2bd6b461 |
681 | // <draft-siemborski-imap-sasl-initial-response-01b.txt> |
fe55c7c7 |
682 | $query = $tag . " AUTHENTICATE PLAIN $auth\r\n"; |
683 | fputs($imap_stream, $query); |
b98732e8 |
684 | $read = sqimap_fgets($imap_stream); |
fe55c7c7 |
685 | } else { |
686 | $query = $tag . " AUTHENTICATE PLAIN\r\n"; |
687 | fputs($imap_stream, $query); |
688 | $read=sqimap_fgets($imap_stream); |
689 | if (substr($read,0,1) == '+') { // OK so far.. |
690 | fputs($imap_stream, "$auth\r\n"); |
691 | $read = sqimap_fgets($imap_stream); |
692 | } |
098ea084 |
693 | } |
b98732e8 |
694 | $results=explode(" ",$read,3); |
695 | $response=$results[1]; |
696 | $message=$results[2]; |
697 | } else { |
698 | $response="BAD"; |
699 | $message="Internal SquirrelMail error - unknown IMAP authentication method chosen. Please contact the developers."; |
700 | } |
fe55c7c7 |
701 | |
b98732e8 |
702 | /* If the connection was not successful, lets see why */ |
9c737111 |
703 | if ($response != 'OK') { |
704 | if (!$hide) { |
74424a43 |
705 | if ($response != 'NO') { |
3411d4ec |
706 | /* "BAD" and anything else gets reported here. */ |
098ea084 |
707 | $message = htmlspecialchars($message); |
9c737111 |
708 | set_up_language($squirrelmail_language, true); |
098ea084 |
709 | require_once(SM_PATH . 'functions/display_messages.php'); |
9c737111 |
710 | if ($response == 'BAD') { |
bea3eb1e |
711 | $string = sprintf (_("Bad request: %s")."<br>\r\n", $message); |
9c737111 |
712 | } else { |
bea3eb1e |
713 | $string = sprintf (_("Unknown error: %s") . "<br>\n", $message); |
9c737111 |
714 | } |
1e7fc1cb |
715 | if (isset($read) && is_array($read)) { |
bea3eb1e |
716 | $string .= '<br>' . _("Read data:") . "<br>\n"; |
9c737111 |
717 | foreach ($read as $line) { |
1f720b34 |
718 | $string .= htmlspecialchars($line) . "<br>\n"; |
9c737111 |
719 | } |
720 | } |
098ea084 |
721 | error_box($string,$color); |
9c737111 |
722 | exit; |
165e24a7 |
723 | } else { |
3411d4ec |
724 | /* |
725 | * If the user does not log in with the correct |
1c72b151 |
726 | * username and password it is not possible to get the |
727 | * correct locale from the user's preferences. |
728 | * Therefore, apply the same hack as on the login |
729 | * screen. |
3411d4ec |
730 | * |
731 | * $squirrelmail_language is set by a cookie when |
1c72b151 |
732 | * the user selects language and logs out |
bee165ef |
733 | */ |
fe55c7c7 |
734 | |
9c737111 |
735 | set_up_language($squirrelmail_language, true); |
bd9c880b |
736 | include_once(SM_PATH . 'functions/display_messages.php' ); |
098ea084 |
737 | sqsession_destroy(); |
bd9c880b |
738 | logout_error( _("Unknown user or password incorrect.") ); |
9c737111 |
739 | exit; |
052e0c26 |
740 | } |
9c737111 |
741 | } else { |
052e0c26 |
742 | exit; |
9c737111 |
743 | } |
744 | } |
9c737111 |
745 | return $imap_stream; |
746 | } |
f1e6f580 |
747 | |
48af4b64 |
748 | /** |
749 | * Simply logs out the IMAP session |
750 | * @param stream imap_stream the IMAP connection to log out. |
751 | * @return void |
752 | */ |
9c737111 |
753 | function sqimap_logout ($imap_stream) { |
8d936b0c |
754 | /* Logout is not valid until the server returns 'BYE' |
755 | * If we don't have an imap_ stream we're already logged out */ |
26a2cc8b |
756 | if(isset($imap_stream) && $imap_stream) |
8d936b0c |
757 | sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message); |
9c737111 |
758 | } |
759 | |
48af4b64 |
760 | /** |
761 | * Retreive the CAPABILITY string from the IMAP server. |
762 | * If capability is set, returns only that specific capability, |
763 | * else returns array of all capabilities. |
764 | */ |
487daa81 |
765 | function sqimap_capability($imap_stream, $capability='') { |
9c737111 |
766 | global $sqimap_capabilities; |
9c737111 |
767 | if (!is_array($sqimap_capabilities)) { |
1c72b151 |
768 | $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b); |
769 | |
9c737111 |
770 | $c = explode(' ', $read[0]); |
771 | for ($i=2; $i < count($c); $i++) { |
772 | $cap_list = explode('=', $c[$i]); |
3411d4ec |
773 | if (isset($cap_list[1])) { |
ecc92309 |
774 | // FIX ME. capabilities can occure multiple times. |
775 | // THREAD=REFERENCES THREAD=ORDEREDSUBJECT |
9c737111 |
776 | $sqimap_capabilities[$cap_list[0]] = $cap_list[1]; |
3411d4ec |
777 | } else { |
9c737111 |
778 | $sqimap_capabilities[$cap_list[0]] = TRUE; |
3411d4ec |
779 | } |
f1e6f580 |
780 | } |
9c737111 |
781 | } |
487daa81 |
782 | if ($capability) { |
098ea084 |
783 | if (isset($sqimap_capabilities[$capability])) { |
784 | return $sqimap_capabilities[$capability]; |
785 | } else { |
786 | return false; |
787 | } |
f1e6f580 |
788 | } |
487daa81 |
789 | return $sqimap_capabilities; |
9c737111 |
790 | } |
791 | |
48af4b64 |
792 | /** |
793 | * Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test |
794 | */ |
9c737111 |
795 | function sqimap_get_delimiter ($imap_stream = false) { |
3411d4ec |
796 | global $sqimap_delimiter, $optional_delimiter; |
85fc999e |
797 | |
9c737111 |
798 | /* Use configured delimiter if set */ |
799 | if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') { |
800 | return $optional_delimiter; |
801 | } |
85fc999e |
802 | |
9c737111 |
803 | /* Do some caching here */ |
804 | if (!$sqimap_delimiter) { |
805 | if (sqimap_capability($imap_stream, 'NAMESPACE')) { |
3411d4ec |
806 | /* |
807 | * According to something that I can't find, this is supposed to work on all systems |
808 | * OS: This won't work in Courier IMAP. |
809 | * OS: According to rfc2342 response from NAMESPACE command is: |
810 | * OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES) |
811 | * OS: We want to lookup all personal NAMESPACES... |
812 | */ |
1c72b151 |
813 | $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b); |
f1e6f580 |
814 | if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) { |
9c737111 |
815 | if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) { |
f1e6f580 |
816 | $pn = $data2[1]; |
9c737111 |
817 | } |
f1e6f580 |
818 | $pna = explode(')(', $pn); |
9c737111 |
819 | while (list($k, $v) = each($pna)) { |
862ff2d3 |
820 | $lst = explode('"', $v); |
821 | if (isset($lst[3])) { |
822 | $pn[$lst[1]] = $lst[3]; |
823 | } else { |
74424a43 |
824 | $pn[$lst[1]] = ''; |
862ff2d3 |
825 | } |
f1e6f580 |
826 | } |
827 | } |
828 | $sqimap_delimiter = $pn[0]; |
829 | } else { |
830 | fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n"); |
831 | $read = sqimap_read_data($imap_stream, '.', true, $a, $b); |
6a15a16b |
832 | $read = $read['.'][0]; //sqimap_read_data() now returns a tag array of response array |
f1e6f580 |
833 | $quote_position = strpos ($read[0], '"'); |
834 | $sqimap_delimiter = substr ($read[0], $quote_position+1, 1); |
835 | } |
836 | } |
837 | return $sqimap_delimiter; |
9c737111 |
838 | } |
052e0c26 |
839 | |
48af4b64 |
840 | /** |
841 | * This encodes a mailbox name for use in IMAP commands. |
842 | * @param string what the mailbox to encode |
843 | * @return string the encoded mailbox string |
844 | */ |
b2306cbe |
845 | function sqimap_encode_mailbox_name($what) |
846 | { |
847 | if (ereg("[\"\\\r\n]", $what)) |
848 | return '{' . strlen($what) . "}\r\n" . $what; /* 4.3 literal form */ |
849 | return '"' . $what . '"'; /* 4.3 quoted string form */ |
850 | } |
851 | |
852 | |
48af4b64 |
853 | /** |
854 | * Gets the number of messages in the current mailbox. |
855 | */ |
9c737111 |
856 | function sqimap_get_num_messages ($imap_stream, $mailbox) { |
b2306cbe |
857 | $read_ary = sqimap_run_command ($imap_stream, 'EXAMINE ' . sqimap_encode_mailbox_name($mailbox), false, $result, $message); |
9c737111 |
858 | for ($i = 0; $i < count($read_ary); $i++) { |
85fc999e |
859 | if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) { |
860 | return $regs[1]; |
861 | } |
9c737111 |
862 | } |
1f720b34 |
863 | return false; //"BUG! Couldn't get number of messages in $mailbox!"; |
9c737111 |
864 | } |
865 | |
91688e5f |
866 | function parseAddress($address, $max=0) { |
867 | $aTokens = array(); |
868 | $aAddress = array(); |
869 | $iCnt = strlen($address); |
870 | $aSpecials = array('(' ,'<' ,',' ,';' ,':'); |
871 | $aReplace = array(' (',' <',' ,',' ;',' :'); |
872 | $address = str_replace($aSpecials,$aReplace,$address); |
bc78cc6e |
873 | $i = $iAddrFound = $bGroup = 0; |
91688e5f |
874 | while ($i < $iCnt) { |
875 | $cChar = $address{$i}; |
876 | switch($cChar) |
329a7ca5 |
877 | { |
878 | case '<': |
879 | $iEnd = strpos($address,'>',$i+1); |
880 | if (!$iEnd) { |
881 | $sToken = substr($address,$i); |
882 | $i = $iCnt; |
883 | } else { |
884 | $sToken = substr($address,$i,$iEnd - $i +1); |
885 | $i = $iEnd; |
886 | } |
887 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
888 | $aTokens[] = $sToken; |
889 | break; |
890 | case '"': |
891 | $iEnd = strpos($address,$cChar,$i+1); |
da1e42a1 |
892 | if ($iEnd) { |
893 | // skip escaped quotes |
894 | $prev_char = $address{$iEnd-1}; |
895 | while ($prev_char === '\\' && substr($address,$iEnd-2,2) !== '\\\\') { |
896 | $iEnd = strpos($address,$cChar,$iEnd+1); |
897 | if ($iEnd) { |
898 | $prev_char = $address{$iEnd-1}; |
899 | } else { |
900 | $prev_char = false; |
901 | } |
902 | } |
903 | } |
329a7ca5 |
904 | if (!$iEnd) { |
905 | $sToken = substr($address,$i); |
906 | $i = $iCnt; |
907 | } else { |
908 | // also remove the surrounding quotes |
909 | $sToken = substr($address,$i+1,$iEnd - $i -1); |
910 | $i = $iEnd; |
911 | } |
912 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
76c3ee28 |
913 | if ($sToken) $aTokens[] = $sToken; |
329a7ca5 |
914 | break; |
915 | case '(': |
916 | $iEnd = strpos($address,')',$i); |
917 | if (!$iEnd) { |
918 | $sToken = substr($address,$i); |
919 | $i = $iCnt; |
920 | } else { |
921 | $sToken = substr($address,$i,$iEnd - $i + 1); |
922 | $i = $iEnd; |
923 | } |
924 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
925 | $aTokens[] = $sToken; |
926 | break; |
927 | case ',': |
bc78cc6e |
928 | ++$iAddrFound; |
329a7ca5 |
929 | case ';': |
bc78cc6e |
930 | if (!$bGroup) { |
931 | ++$iAddrFound; |
932 | } else { |
933 | $bGroup = false; |
934 | } |
935 | if ($max && $max == $iAddrFound) { |
936 | break 2; |
937 | } else { |
938 | $aTokens[] = $cChar; |
939 | break; |
940 | } |
941 | case ':': |
942 | $bGroup = true; |
329a7ca5 |
943 | case ' ': |
944 | $aTokens[] = $cChar; |
945 | break; |
91688e5f |
946 | default: |
329a7ca5 |
947 | $iEnd = strpos($address,' ',$i+1); |
948 | if ($iEnd) { |
949 | $sToken = trim(substr($address,$i,$iEnd - $i)); |
950 | $i = $iEnd-1; |
91688e5f |
951 | } else { |
329a7ca5 |
952 | $sToken = trim(substr($address,$i)); |
953 | $i = $iCnt; |
91688e5f |
954 | } |
329a7ca5 |
955 | if ($sToken) $aTokens[] = $sToken; |
91688e5f |
956 | } |
329a7ca5 |
957 | ++$i; |
9c737111 |
958 | } |
91688e5f |
959 | $sPersonal = $sEmail = $sComment = $sGroup = ''; |
960 | $aStack = $aComment = array(); |
961 | foreach ($aTokens as $sToken) { |
962 | if ($max && $max == count($aAddress)) { |
329a7ca5 |
963 | return $aAddress; |
092d4f2c |
964 | } |
329a7ca5 |
965 | $cChar = $sToken{0}; |
91688e5f |
966 | switch ($cChar) |
329a7ca5 |
967 | { |
968 | case '=': |
969 | case '"': |
970 | case ' ': |
971 | $aStack[] = $sToken; |
972 | break; |
973 | case '(': |
974 | $aComment[] = substr($sToken,1,-1); |
975 | break; |
976 | case ';': |
977 | if ($sGroup) { |
978 | $sEmail = trim(implode(' ',$aStack)); |
979 | $aAddress[] = array($sGroup,$sEmail); |
980 | $aStack = $aComment = array(); |
981 | $sGroup = ''; |
982 | break; |
983 | } |
984 | case ',': |
985 | if (!$sEmail) { |
986 | while (count($aStack) && !$sEmail) { |
987 | $sEmail = trim(array_pop($aStack)); |
988 | } |
989 | } |
990 | if (count($aStack)) { |
991 | $sPersonal = trim(implode('',$aStack)); |
992 | } else { |
993 | $sPersonal = ''; |
bea3eb1e |
994 | } |
329a7ca5 |
995 | if (!$sPersonal && count($aComment)) { |
996 | $sComment = implode(' ',$aComment); |
997 | $sPersonal .= $sComment; |
998 | } |
999 | $aAddress[] = array($sEmail,$sPersonal); |
1000 | $sPersonal = $sComment = $sEmail = ''; |
1001 | $aStack = $aComment = array(); |
1002 | break; |
1003 | case ':': |
1004 | $sGroup = implode(' ',$aStack); break; |
1005 | $aStack = array(); |
1006 | break; |
1007 | case '<': |
1008 | $sEmail = trim(substr($sToken,1,-1)); |
1009 | break; |
1010 | case '>': |
1011 | /* skip */ |
1012 | break; |
1013 | default: $aStack[] = $sToken; break; |
33565ec4 |
1014 | } |
7e3de682 |
1015 | } |
91688e5f |
1016 | /* now do the action again for the last address */ |
1017 | if (!$sEmail) { |
1018 | while (count($aStack) && !$sEmail) { |
329a7ca5 |
1019 | $sEmail = trim(array_pop($aStack)); |
91688e5f |
1020 | } |
7e3de682 |
1021 | } |
91688e5f |
1022 | if (count($aStack)) { |
329a7ca5 |
1023 | $sPersonal = trim(implode('',$aStack)); |
098ea084 |
1024 | } else { |
91688e5f |
1025 | $sPersonal = ''; |
9c737111 |
1026 | } |
329a7ca5 |
1027 | if (!$sPersonal && count($aComment)) { |
91688e5f |
1028 | $sComment = implode(' ',$aComment); |
329a7ca5 |
1029 | $sPersonal .= $sComment; |
91688e5f |
1030 | } |
1031 | $aAddress[] = array($sEmail,$sPersonal); |
1032 | return $aAddress; |
1033 | } |
1034 | |
1035 | |
48af4b64 |
1036 | /** |
1037 | * Returns the number of unseen messages in this folder. |
3411d4ec |
1038 | */ |
9c737111 |
1039 | function sqimap_unseen_messages ($imap_stream, $mailbox) { |
b2306cbe |
1040 | $read_ary = sqimap_run_command ($imap_stream, 'STATUS ' . sqimap_encode_mailbox_name($mailbox) . ' (UNSEEN)', false, $result, $message); |
ea7ff111 |
1041 | $i = 0; |
1f720b34 |
1042 | $regs = array(false, false); |
ea7ff111 |
1043 | while (isset($read_ary[$i])) { |
1044 | if (ereg("UNSEEN ([0-9]+)", $read_ary[$i], $regs)) { |
1045 | break; |
1046 | } |
1047 | $i++; |
1048 | } |
9c737111 |
1049 | return $regs[1]; |
1050 | } |
1051 | |
48af4b64 |
1052 | /** |
4974c2a0 |
1053 | * Returns the number of total/unseen/recent messages in this folder |
1f720b34 |
1054 | */ |
1055 | function sqimap_status_messages ($imap_stream, $mailbox) { |
b2306cbe |
1056 | $read_ary = sqimap_run_command ($imap_stream, 'STATUS ' . sqimap_encode_mailbox_name($mailbox) . ' (MESSAGES UNSEEN RECENT)', false, $result, $message); |
1f720b34 |
1057 | $i = 0; |
b8ec18ef |
1058 | $messages = $unseen = $recent = false; |
1f720b34 |
1059 | $regs = array(false,false); |
1060 | while (isset($read_ary[$i])) { |
1061 | if (preg_match('/UNSEEN\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
1062 | $unseen = $regs[1]; |
1063 | } |
1f720b34 |
1064 | if (preg_match('/MESSAGES\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
1065 | $messages = $regs[1]; |
1066 | } |
b8ec18ef |
1067 | if (preg_match('/RECENT\s+([0-9]+)/i', $read_ary[$i], $regs)) { |
098ea084 |
1068 | $recent = $regs[1]; |
1069 | } |
1f720b34 |
1070 | $i++; |
1071 | } |
b8ec18ef |
1072 | return array('MESSAGES' => $messages, 'UNSEEN'=>$unseen, 'RECENT' => $recent); |
1f720b34 |
1073 | } |
1074 | |
9c737111 |
1075 | |
48af4b64 |
1076 | /** |
1077 | * Saves a message to a given folder -- used for saving sent messages |
3411d4ec |
1078 | */ |
9c737111 |
1079 | function sqimap_append ($imap_stream, $sent_folder, $length) { |
b2306cbe |
1080 | fputs ($imap_stream, sqimap_session_id() . ' APPEND ' . sqimap_encode_mailbox_name($sent_folder) . " (\\Seen) \{$length}\r\n"); |
85fc999e |
1081 | $tmp = fgets ($imap_stream, 1024); |
9c737111 |
1082 | } |
1083 | |
8813fb15 |
1084 | function sqimap_append_done ($imap_stream, $folder='') { |
1f720b34 |
1085 | global $squirrelmail_language, $color; |
9c737111 |
1086 | fputs ($imap_stream, "\r\n"); |
1087 | $tmp = fgets ($imap_stream, 1024); |
69146537 |
1088 | if (preg_match("/(.*)(BAD|NO)(.*)$/", $tmp, $regs)) { |
1089 | set_up_language($squirrelmail_language); |
1f720b34 |
1090 | require_once(SM_PATH . 'functions/display_messages.php'); |
098ea084 |
1091 | $reason = $regs[3]; |
1092 | if ($regs[2] == 'NO') { |
1093 | $string = "<b><font color=$color[2]>\n" . |
1094 | _("ERROR : Could not append message to") ." $folder." . |
1095 | "</b><br>\n" . |
1096 | _("Server responded: ") . |
1097 | $reason . "<br>\n"; |
1098 | if (preg_match("/(.*)(quota)(.*)$/i", $reason, $regs)) { |
1099 | $string .= _("Solution: ") . |
1100 | _("Remove unneccessary messages from your folder and start with your Trash folder.") |
1101 | ."<br>\n"; |
1102 | } |
1103 | $string .= "</font>\n"; |
1104 | error_box($string,$color); |
1105 | } else { |
8813fb15 |
1106 | $string = "<b><font color=$color[2]>\n" . |
098ea084 |
1107 | _("ERROR : Bad or malformed request.") . |
1108 | "</b><br>\n" . |
1109 | _("Server responded: ") . |
1110 | $tmp . "</font><br>\n"; |
1111 | error_box($string,$color); |
8813fb15 |
1112 | exit; |
098ea084 |
1113 | } |
69146537 |
1114 | } |
9c737111 |
1115 | } |
85fc999e |
1116 | |
bd9829d7 |
1117 | function sqimap_get_user_server ($imap_server, $username) { |
bd9829d7 |
1118 | if (substr($imap_server, 0, 4) != "map:") { |
1119 | return $imap_server; |
1120 | } |
bd9829d7 |
1121 | $function = substr($imap_server, 4); |
1122 | return $function($username); |
1123 | } |
1124 | |
48af4b64 |
1125 | /** |
1126 | * This is an example that gets imapservers from yellowpages (NIS). |
bd9829d7 |
1127 | * you can simple put map:map_yp_alias in your $imap_server_address |
1128 | * in config.php use your own function instead map_yp_alias to map your |
48af4b64 |
1129 | * LDAP whatever way to find the users imapserver. |
1130 | */ |
bd9829d7 |
1131 | function map_yp_alias($username) { |
1132 | $yp = `ypmatch $username aliases`; |
1133 | return chop(substr($yp, strlen($username)+1)); |
1134 | } |
1135 | |
15e6162e |
1136 | ?> |