1 <?php
4 class mailMethodCyrus extends mailMethod{
6 protected $ServerList = array();
7 protected $imap_handle = NULL;
8 protected $quota_loaded = FALSE;
10 /* Allow modification of account_ids for existing mail accounts */
11 protected $modifyableMail = FALSE;
13 /* Allow modification of the mail server attribute existing mail accounts */
14 protected $modifyableServer = FALSE;
16 /* Enforces same value for 'mail' as used for 'cn' */
17 protected $mailEqualsCN = FALSE;
19 protected $enableDomainSelection= FALSE;
20 protected $enableQuota = TRUE;
21 protected $enableSieveManager = TRUE;
22 protected $enableVacationRange = TRUE;
23 protected $enableFolderTypes = FALSE;
25 protected function init()
26 {
27 mailMethod::init();
28 $this->ServerList = $this->config->data['SERVERS']['IMAP'];
29 }
32 public function connect()
33 {
34 mailMethod::connect();
36 if (!isset($this->ServerList[$this->MailServer])){
37 $this->error = _("Mail server for this account is invalid!");
38 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,
39 "<b>IMAP: The selected mail server '".$this->MailServer."' is invalid.</b>","");
40 return(FALSE);
41 } else {
42 $cfg= $this->ServerList[$this->MailServer];
43 }
45 /* For some reason, hiding errors with @ does not wor here... */
46 if(!isset($cfg['connect'])) $cfg['connect']="";
47 if(!isset($cfg['admin'])) $cfg['admin']="";
48 if(!isset($cfg['password'])) $cfg['password']="";
50 /* Setting connect timeout to 10 seconds,
51 else the GOsa UI may freeze for 60 seconds.
52 (PHP default is 'default_socket_timeout = 60') */
53 imap_timeout(1, 10 );
54 $this->imap_handle = @imap_open($cfg['connect'], $cfg['admin'], $cfg['password'], OP_HALFOPEN);
56 /* Mailbox reachable? */
57 if ($this->imap_handle === FALSE){
58 $this->error = imap_last_error();
60 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"<b>Failed</b> :".imap_last_error(),
61 "<b>IMAP:</b> ".$cfg['admin']."@".$cfg['connect']);
63 return (FALSE);
64 $this->connected = FALSE;
65 }
66 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"<b>successful</b>",
67 "<b>IMAP:</b> ".$cfg['admin']."@".$cfg['connect']);
68 $this->connected = TRUE;
70 return (TRUE);
71 }
74 public function account_exists()
75 {
76 if(!$this->is_connected() || !$this->imap_handle){
77 trigger_error("Method not connected, catch error.");
78 return(array());
79 }
81 /* Get server config */
82 $cfg= $this->ServerList[$this->MailServer];
83 $list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
84 $res = is_array($list) && count($list);
85 if($res){
86 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account exists in imap server.</b>");
87 }else{
88 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account seems NOT to exists in imap server.</b>");
89 }
90 return($res);
91 }
93 public function disconnect()
94 {
95 mailMethod::disconnect();
96 if($this->is_connected()){
97 @imap_close ($this->imap_handle);
98 }
99 }
102 public function is_connected()
103 {
104 $ret = mailMethod::is_connected();
105 return($ret && $this->imap_handle);
106 }
108 protected function loadQuota()
109 {
110 if(!$this->quotaEnabled()) return(TRUE);
111 if(!$this->is_connected() || !$this->imap_handle){
112 trigger_error("Method not connected, catch error.");
113 return(FALSE);
114 }
116 /* Load quota settings */
117 $result = array("quotaUsage"=>"","gosaMailQuota"=>"");
118 $quota_value = @imap_get_quota($this->imap_handle, $this->account_id);
120 if(is_array($quota_value) && count($quota_value)) {
121 if (isset($quota_value["STORAGE"]) && is_array($quota_value["STORAGE"])){
123 /* use for PHP >= 4.3 */
124 if($quota_value["STORAGE"]['limit'] == 2147483647){
125 $result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
126 $result['gosaMailQuota']= "";
127 }else{
128 $result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
129 $result['gosaMailQuota']= (int) ($quota_value["STORAGE"]['limit'] / 1024);
130 }
131 } else {
133 /* backward icompatible */
134 if($quota_value['usage'] == 2147483647){
135 $result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
136 $result['gosaMailQuota']= "";
137 }else{
138 $result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
139 $result['gosaMailQuota']= (int) ($quota_value['limit'] / 1024);
140 }
141 }
142 }
143 $this->quotaValue = $result['gosaMailQuota'];
144 $this->quotaUsage = $result['quotaUsage'];
146 /* Write debug output */
147 if(is_array($quota_value)){
148 if($this->quotaValue == ""){
149 $quota = "(".$this->quotaUsage." / unlimited)";
150 }else{
151 $quota = "(".$this->quotaUsage." / ".$this->quotaValue.")";
152 }
153 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, $quota ,
154 "<b>IMAP: Successfully received account quota</b>");
155 }else{
156 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, imap_last_error() ,
157 "<b>IMAP: Failed to receive account quota</b>");
158 }
159 }
161 public function getQuota($quota)
162 {
163 mailMethod::getQuota($quota);
164 if(!$this->quota_loaded){
165 $this->quota_loaded = TRUE;
166 $this->loadQuota();
167 }
168 return($this->quotaValue);
169 }
171 public function getQuotaUsage()
172 {
173 mailMethod::getQuotaUsage();
174 if(!$this->quota_loaded){
175 $this->quota_loaded = TRUE;
176 $this->loadQuota();
177 }
178 return($this->quotaUsage);
179 }
181 public function setQuota($number)
182 {
183 mailMethod::setQuota($number);
185 if(!$this->quotaEnabled()) return(TRUE);
186 if(!$this->is_connected() || !$this->imap_handle){
187 trigger_error("Method not connected, catch error.");
188 return(FALSE);
189 }
191 $this->build_account_id();
193 /* Workaround for the php imap extension */
194 if (($this->quotaValue == "") || ($this->quotaValue== "2147483647")){
195 $this->quotaValue= "2147483647";
196 }elseif($this->quotaValue > 0){
197 $this->quotaValue = $this->quotaValue *1024;
198 }
199 $debug_number = $this->quotaValue." KB";
200 if($this->quotaValue == "2147483647"){
201 $debug_number .= "<i>Unlimited</i>";
202 }
204 if (!imap_set_quota($this->imap_handle, $this->account_id, $this->quotaValue)){
205 msg_dialog::display(_("IMAP error"), sprintf(_("Cannot modify IMAP mailbox quota: %s"),
206 '<br><br><i>'.imap_last_error().'</i>'), ERROR_DIALOG);
207 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
208 "<b>IMAP: Set account quota</b> on server '".$this->MailServer."' <b>".imap_last_error()."</b>");
209 return (FALSE);
210 }
211 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
212 "<b>IMAP: Set account quota</b> on server :".$this->MailServer);
213 return (TRUE);
214 }
217 public function updateMailbox()
218 {
219 mailMethod::updateMailbox();
221 if(!$this->is_connected() || !$this->imap_handle){
222 trigger_error("Method not connected, catch error.");
223 return(FALSE);
224 }
226 $this->build_account_id ();
227 if($this->is_connected()){
228 $cfg= $this->ServerList[$this->MailServer];
229 $list = imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
230 if ($list === FALSE){
231 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id."</b>" ,
232 "<b>IMAP: Add/Update account</b> on server :".$this->MailServer);
233 if (!imap_createmailbox($this->imap_handle, $cfg["connect"]. $this->account_id)){
234 $this->error = imap_last_error();
235 return(FALSE);
236 }
237 }
238 }
239 return(TRUE);
240 }
243 public function deleteMailbox()
244 {
245 mailMethod::deleteMailbox();
247 if(!$this->is_connected() || !$this->imap_handle){
248 trigger_error("Method not connected, catch error.");
249 return(FALSE);
250 }
252 $this->build_account_id ();
254 $cfg= $this->ServerList[$this->MailServer];
255 @imap_setacl ($this->imap_handle, $this->account_id, $cfg["admin"], "lrswipcda");
256 if (!imap_deletemailbox($this->imap_handle, $cfg["connect"].$this->account_id)){
257 $this->error = imap_last_error();
258 return (FALSE);
259 }
260 return (TRUE);
261 }
264 public function getMailboxList()
265 {
266 mailMethod::getMailboxList();
268 if(!$this->is_connected() || !$this->imap_handle){
269 trigger_error("Method not connected, catch error.");
270 return(array());
271 }
273 $result = array();
275 /* Get server config */
276 $cfg= $this->ServerList[$this->MailServer];
278 /* Create search string
279 And prepare replacements
280 */
281 if(preg_match("/\@/",$this->account_id)){
282 $search = preg_replace("/\@/","*@",$this->account_id);
283 $with_domain = TRUE;
284 }else{
285 $search = $this->account_id."*";
286 $with_domain = FALSE;
287 }
288 $folder = $this->account_id;
289 if(preg_match("/\@/",$folder)){
290 $folder = preg_replace("/\@.*$/","",$folder);
291 }
293 /* Contact imap server */
294 $list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $search);
296 /* Create list of returned folder names */
297 if (is_array($list)){
298 foreach ($list as $val){
299 $str = trim(preg_replace("/^\{[^\}]*+\}/","",$val));
300 if($with_domain){
301 $str = trim(preg_replace("/\@.*$/","",$str));
302 }
303 $str = preg_replace ("/^.*".preg_quote($folder, '/')."/","INBOX",
304 mb_convert_encoding($str, "UTF-8", "UTF7-IMAP"));
305 $result[] = $str;
306 }
307 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,trim(implode($result,", "),", "),
308 "<b>IMAP: Received mailbox folders.</b>");
309 $this->error = imap_last_error();
310 }else{
311 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,imap_last_error(),
312 "<b>IMAP: Cannot receive mailbox folders.</b>");
313 $this->error = imap_last_error();
314 return(array());
315 }
317 /* Append "INBOX" to the folder array if result is empty and request comes from user dialog */
318 if(!count($result)){
319 $result[] = "INBOX";
320 }
322 return($result);
323 }
326 /*! \brief Returns configured acls
327 */
328 public function getFolderACLs($folder_acls)
329 {
330 $this->reset_error();
332 /* imap_getacl available? */
333 if (!function_exists('imap_getacl')){
334 $this->error = _("The module imap_getacl is not implemented!");
335 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
336 "<b>IMAP: Cannot set folder acls.</b>");
337 return($folder_acls);
338 }
340 /* Get ACLs and merge them with the already given acls (ldap)
341 */
342 $this->build_account_id();
343 $acls = imap_getacl ($this->imap_handle, $this->account_id);
344 foreach($acls as $user => $acl){
345 if($user == "anyone") $user = "__anyone__"; // Map to internal placeholder
346 $folder_acls[$user] = $acl;
347 }
349 /* Merge given ACL with acl mapping
350 This ensures that no ACL will accidentally overwritten by gosa.
351 */
352 foreach($folder_acls as $user => $acl){
353 if(!isset($this->acl_mapping[$acl])){
354 $this->acl_mapping[$acl] = $acl;
355 }
356 }
358 return($folder_acls);
359 }
363 /*! \brief Write ACLs back to imap or what ever
364 */
365 public function setFolderACLs($permissions)
366 {
367 $this->reset_error();
369 /* imap_getacl available? */
370 if (!function_exists('imap_getacl')){
371 $this->error = _("The module imap_getacl is not implemented!");
372 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
373 "<b>IMAP: Cannot set folder acls.</b>");
374 return(FALSE);
375 }
377 /* Get list of subfolders */
378 $folders= $this->getMailboxList();
379 foreach ($folders as $subfolder){
380 $folder_id = $this->create_folder_id($subfolder);
381 echo $folder_id."<br>";
383 /* Remove all acl's for this folder */
384 $users= @imap_getacl ($this->imap_handle, $folder_id);
386 if(is_array($users)){
387 foreach ($users as $userid => $perms){
388 $userid = strtolower($userid);
389 imap_setacl ($this->imap_handle, $folder_id, $userid, "");
390 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$userid,
391 "<b>IMAP: Removing folder permissions.</b>");
392 }
393 }
394 }
396 /* Set permissions for this folder */
397 foreach($folders as $subfolder){
398 $folder_id = $this->create_folder_id($subfolder);
400 foreach ($permissions as $user => $acl){
401 imap_setacl ($this->imap_handle, $folder_id, $user, $acl);
402 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$user.": ".$acl,
403 "<b>IMAP: Setting new folder permissions.</b>");
404 }
405 }
406 return(TRUE);
407 }
410 public function saveSieveSettings()
411 {
412 mailMethod::saveSieveSettings();
414 /* Map attribute from parent class
415 */
416 $mail = $this->parent->mail;
417 $gosaMailDeliveryMode = $this->parent->gosaMailDeliveryMode;
418 $gosaMailAlternateAddress = $this->parent->gosaMailAlternateAddress;
419 $gosaMailMaxSize = $this->parent->gosaMailMaxSize;
420 $gosaSpamMailbox = $this->parent->gosaSpamMailbox;
421 $gosaSpamSortLevel = $this->parent->gosaSpamSortLevel;
422 $gosaVacationMessage = $this->parent->gosaVacationMessage;
424 /* Try to login into sieve
425 */
426 $cfg = $this->ServerList[$this->MailServer];
427 $sieve= new sieve($cfg["sieve_server"], $cfg["sieve_port"], $this->getUAttribValue(),
428 $cfg["password"], $cfg["admin"],$cfg["sieve_option"]);
429 if (!$sieve->sieve_login()){
430 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,"<b>SIEVE: login failed.</b>");
431 $this->error = $sieve->error_raw;
432 return(FALSE);
433 }
435 /* Build spamlevel. Spamassassin tags mails with "*" for each integer
436 point of spam. So a spam level of 5.3 gets "*****" which can be
437 checked easily by spam filters */
438 $spamlevel= str_pad("",(int) $gosaSpamSortLevel,"*");
440 /* Get current sieve script named 'gosa'.
441 Check if it valid ("###GOSA" must be the first string).
442 If it is valid just replace it, if it is NOT valid
443 create a backup of the old
444 */
445 $script= "";
446 if($sieve->sieve_listscripts()){
447 if (in_array("gosa", $sieve->response)){
448 if(!$sieve->sieve_getscript("gosa")){
449 $this->error = sprintf(_("Cannot retrieve SIEVE script: %s"),to_string($sieve->error_raw));
450 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,
451 "<b>SIEVE: Connot read 'gosa' sieve script.</b>");
452 $this->error = $sieve->error_raw;
453 return(FALSE);
454 }
456 $is_valid_script = FALSE;
457 foreach ($sieve->response as $line){
458 if(empty($line)) continue;
459 if (preg_match ("/^###GOSA/", $line) && strlen($script) == 0){
460 $is_valid_script = TRUE;
461 }
462 $line= rtrim($line);
463 $script .= $line;
464 }
466 if($is_valid_script || strlen($script) == 0 || empty($script)){
467 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"" ,
468 "<b>SIEVE</b>: Sieve script 'gosa' was a valid GOsa script and will be replaced.");
469 }else{
470 $new_name = "non_gosa_".date("Ymd_H-i-s");
471 $sieve->sieve_sendscript($new_name, $script);
472 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$this->sieve->error_raw ,
473 "<b>SIEVE</b>: Non GOsa sieve script. <b>Creating backup of the current sieve script '".$new_name."'.</b>");
474 }
475 }
476 }
479 /*****
480 Build up new sieve script here.
481 *****/
483 /* Only create a new one, if it is not empty */
484 $script= "";
485 if (is_integer(strpos($gosaMailDeliveryMode, "R")) ||
486 is_integer(strpos($gosaMailDeliveryMode, "C")) ||
487 !is_integer(strpos($gosaMailDeliveryMode, "L")) ||
488 is_integer(strpos($gosaMailDeliveryMode, "V")) ||
489 is_integer(strpos($gosaMailDeliveryMode, "S"))){
491 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-header.txt")));
492 eval ("\$script.=\"$text\";");
493 }
495 /* Add anti-spam code */
496 if (is_integer(strpos($gosaMailDeliveryMode, "S"))){
497 $spambox= $gosaSpamMailbox;
498 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-spam.txt")));
499 eval ("\$script.=\"$text\";");
500 }
502 /* Add "reject due to mailsize" code, message is currently not
503 adjustable through GOsa. */
504 if (is_integer(strpos($gosaMailDeliveryMode, "R"))){
505 $maxsize= $gosaMailMaxSize;
506 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-mailsize.txt")));
507 eval ("\$script.=\"$text\";");
508 }
510 /* Add vacation information */
511 if (is_integer(strpos($gosaMailDeliveryMode, "V"))){
513 /* Sieve wants all destination addresses for the
514 vacation message, so we've to assemble them from
515 mail and mailAlternateAddress */
516 $addrlist= "\"".$mail."\"";
517 foreach ($gosaMailAlternateAddress as $val){
518 $addrlist .= ", \"$val\"";
519 }
520 $vacmsg= $gosaVacationMessage;
521 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-vacation.txt")));
522 eval ("\$script.=\"$text\";");
523 }
525 /* If no local delivery is wanted, tell the script to discard the mail */
526 if (!is_integer(strpos($gosaMailDeliveryMode, "L"))){
527 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-discard.txt")));
528 eval ("\$script.=\"$text\";");
529 }
531 /****
532 Sieve script build complete
533 ****/
535 /* Upload script and make it the default one */
536 if (!$sieve->sieve_sendscript("gosa", $script)){
537 $this->error = sprintf(_("Cannot store SIEVE script: %s"), to_string($sieve->error_raw));
538 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "Error was: ".to_string($sieve->error_raw) ,
539 "<b>SIEVE: Writing new Sieve script failed!</b>");
540 return(FALSE);
541 }
543 if(!$sieve->sieve_setactivescript("gosa")){
544 $this->error = sprintf(_("Cannot activate SIEVE script: %s"), to_string($sieve->error_raw));
545 return(FALSE);
546 }
548 $sieve->sieve_logout();
549 }
550 }
552 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
553 ?>