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 /* Enforces same value for 'mail' as used for 'cn' */
14 protected $mailEqualsCN = FALSE;
16 protected $enableDomainSelection= FALSE;
17 protected $enableQuota = TRUE;
18 protected $enableSieveManager = TRUE;
19 protected $enableVacationRange = TRUE;
20 protected $enableFolderTypes = FALSE;
22 protected function init()
23 {
24 mailMethod::init();
25 $this->ServerList = $this->config->data['SERVERS']['IMAP'];
26 }
29 public function connect()
30 {
31 mailMethod::connect();
33 if (!isset($this->ServerList[$this->MailServer])){
34 $this->error = _("Mail server for this account is invalid!");
35 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,
36 "<b>IMAP: The selected mail server '".$this->MailServer."' is invalid.</b>","");
37 return(FALSE);
38 } else {
39 $cfg= $this->ServerList[$this->MailServer];
40 }
42 /* For some reason, hiding errors with @ does not wor here... */
43 if(!isset($cfg['connect'])) $cfg['connect']="";
44 if(!isset($cfg['admin'])) $cfg['admin']="";
45 if(!isset($cfg['password'])) $cfg['password']="";
47 /* Setting connect timeout to 10 seconds,
48 else the GOsa UI may freeze for 60 seconds.
49 (PHP default is 'default_socket_timeout = 60') */
50 imap_timeout(1, 10 );
51 $this->imap_handle = @imap_open($cfg['connect'], $cfg['admin'], $cfg['password'], OP_HALFOPEN);
53 /* Mailbox reachable? */
54 if ($this->imap_handle === FALSE){
55 $this->error = imap_last_error();
56 return (FALSE);
57 $this->connected = FALSE;
58 }
59 $this->connected = TRUE;
61 return (TRUE);
62 }
65 public function account_exists()
66 {
67 if(!$this->is_connected() || !$this->imap_handle){
68 trigger_error("Method not connected, catch error.");
69 return(array());
70 }
72 /* Get server config */
73 $cfg= $this->ServerList[$this->MailServer];
74 $list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
75 $res = is_array($list) && count($list);
76 if($res){
77 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account exists in imap server.</b>");
78 }else{
79 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account seems NOT to exists in imap server.</b>");
80 }
81 return($res);
82 }
84 public function disconnect()
85 {
86 mailMethod::disconnect();
87 if($this->is_connected()){
88 @imap_close ($this->imap_handle);
89 }
90 }
93 public function is_connected()
94 {
95 $ret = mailMethod::is_connected();
96 return($ret && $this->imap_handle);
97 }
99 protected function loadQuota()
100 {
101 if(!$this->quotaEnabled()) return(TRUE);
102 if(!$this->is_connected() || !$this->imap_handle){
103 trigger_error("Method not connected, catch error.");
104 return(FALSE);
105 }
107 /* Load quota settings */
108 $result = array("quotaUsage"=>"","gosaMailQuota"=>"");
109 $quota_value = @imap_get_quota($this->imap_handle, $this->account_id);
111 if(is_array($quota_value) && count($quota_value)) {
112 if (isset($quota_value["STORAGE"]) && is_array($quota_value["STORAGE"])){
114 /* use for PHP >= 4.3 */
115 if($quota_value["STORAGE"]['limit'] == 2147483647){
116 $result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
117 $result['gosaMailQuota']= "";
118 }else{
119 $result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
120 $result['gosaMailQuota']= (int) ($quota_value["STORAGE"]['limit'] / 1024);
121 }
122 } else {
124 /* backward icompatible */
125 if($quota_value['usage'] == 2147483647){
126 $result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
127 $result['gosaMailQuota']= "";
128 }else{
129 $result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
130 $result['gosaMailQuota']= (int) ($quota_value['limit'] / 1024);
131 }
132 }
133 }
134 $this->quotaValue = $result['gosaMailQuota'];
135 $this->quotaUsage = $result['quotaUsage'];
137 /* Write debug output */
138 if(is_array($quota_value)){
139 if($this->quotaValue == ""){
140 $quota = "(".$this->quotaUsage." / unlimited)";
141 }else{
142 $quota = "(".$this->quotaUsage." / ".$this->quotaValue.")";
143 }
144 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, $quota ,
145 "<b>IMAP: Successfully received account quota</b>");
146 }else{
147 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, imap_last_error() ,
148 "<b>IMAP: Failed to receive account quota</b>");
149 }
150 }
152 public function getQuota($quota)
153 {
154 mailMethod::getQuota($quota);
155 if(!$this->quota_loaded){
156 $this->quota_loaded = TRUE;
157 $this->loadQuota();
158 }
159 return($this->quotaValue);
160 }
162 public function getQuotaUsage()
163 {
164 mailMethod::getQuotaUsage();
165 if(!$this->quota_loaded){
166 $this->quota_loaded = TRUE;
167 $this->loadQuota();
168 }
169 return($this->quotaUsage);
170 }
172 public function setQuota($number)
173 {
174 mailMethod::setQuota($number);
176 if(!$this->quotaEnabled()) return(TRUE);
177 if(!$this->is_connected() || !$this->imap_handle){
178 trigger_error("Method not connected, catch error.");
179 return(FALSE);
180 }
182 $this->build_account_id();
184 /* Workaround for the php imap extension */
185 if (($this->quotaValue == "") || ($this->quotaValue== "2147483647")){
186 $this->quotaValue= "2147483647";
187 }elseif($this->quotaValue > 0){
188 $this->quotaValue = $this->quotaValue *1024;
189 }
190 $debug_number = $this->quotaValue." KB";
191 if($this->quotaValue == "2147483647"){
192 $debug_number .= "<i>Unlimited</i>";
193 }
195 if (!imap_set_quota($this->imap_handle, $this->account_id, $this->quotaValue)){
196 msg_dialog::display(_("IMAP error"), sprintf(_("Cannot modify IMAP mailbox quota: %s"),
197 '<br><br><i>'.imap_last_error().'</i>'), ERROR_DIALOG);
198 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
199 "<b>IMAP: Set account quota</b> on server '".$this->MailServer."' <b>".imap_last_error()."</b>");
200 return (FALSE);
201 }
202 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
203 "<b>IMAP: Set account quota</b> on server :".$this->MailServer);
204 return (TRUE);
205 }
208 public function updateMailbox()
209 {
210 mailMethod::updateMailbox();
212 if(!$this->is_connected() || !$this->imap_handle){
213 trigger_error("Method not connected, catch error.");
214 return(FALSE);
215 }
217 $this->build_account_id ();
218 if($this->is_connected()){
219 $cfg= $this->ServerList[$this->MailServer];
220 $list = imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
221 if ($list === FALSE){
222 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id."</b>" ,
223 "<b>IMAP: Add/Update account</b> on server :".$this->MailServer);
224 if (!imap_createmailbox($this->imap_handle, $cfg["connect"]. $this->account_id)){
225 $this->error = imap_last_error();
226 return(FALSE);
227 }
228 }
229 }
230 return(TRUE);
231 }
234 public function deleteMailbox()
235 {
236 mailMethod::deleteMailbox();
238 if(!$this->is_connected() || !$this->imap_handle){
239 trigger_error("Method not connected, catch error.");
240 return(FALSE);
241 }
243 $this->build_account_id ();
245 $cfg= $this->ServerList[$this->MailServer];
246 @imap_setacl ($this->imap_handle, $this->account_id, $cfg["admin"], "lrswipcda");
247 if (!imap_deletemailbox($this->imap_handle, $cfg["connect"].$this->account_id)){
248 $this->error = imap_last_error();
249 return (FALSE);
250 }
251 return (TRUE);
252 }
255 public function getMailboxList()
256 {
257 mailMethod::getMailboxList();
259 if(!$this->is_connected() || !$this->imap_handle){
260 trigger_error("Method not connected, catch error.");
261 return(array());
262 }
264 $result = array();
266 /* Get server config */
267 $cfg= $this->ServerList[$this->MailServer];
269 /* Create search string
270 And prepare replacements
271 */
272 if(preg_match("/\@/",$this->account_id)){
273 $search = preg_replace("/\@/","*@",$this->account_id);
274 $with_domain = TRUE;
275 }else{
276 $search = $this->account_id."*";
277 $with_domain = FALSE;
278 }
279 $folder = $this->account_id;
280 if(preg_match("/\@/",$folder)){
281 $folder = preg_replace("/\@.*$/","",$folder);
282 }
284 /* Contact imap server */
285 $list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $search);
287 /* Create list of returned folder names */
288 if (is_array($list)){
289 foreach ($list as $val){
290 $str = trim(preg_replace("/^\{[^\}]*+\}/","",$val));
291 if($with_domain){
292 $str = trim(preg_replace("/\@.*$/","",$str));
293 }
294 $str = preg_replace ("/^.*".preg_quote($folder, '/')."/","INBOX",
295 mb_convert_encoding($str, "UTF-8", "UTF7-IMAP"));
296 $result[] = $str;
297 }
298 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,trim(implode($result,", "),", "),
299 "<b>IMAP: Received mailbox folders.</b>");
300 $this->error = imap_last_error();
301 }else{
302 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,imap_last_error(),
303 "<b>IMAP: Cannot receive mailbox folders.</b>");
304 $this->error = imap_last_error();
305 return(array());
306 }
308 /* Append "INBOX" to the folder array if result is empty and request comes from user dialog */
309 if(!count($result)){
310 $result[] = "INBOX";
311 }
313 return($result);
314 }
317 /*! \brief Returns configured acls
318 */
319 public function getFolderACLs($folder_acls)
320 {
321 $this->reset_error();
323 /* imap_getacl available? */
324 if (!function_exists('imap_getacl')){
325 $this->error = _("The module imap_getacl is not implemented!");
326 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
327 "<b>IMAP: Cannot set folder acls.</b>");
328 return($folder_acls);
329 }
331 /* Get ACLs and merge them with the already given acls (ldap)
332 */
333 $this->build_account_id();
334 $acls = imap_getacl ($this->imap_handle, $this->account_id);
335 foreach($acls as $user => $acl){
336 if($user == "anyone") $user = "__anyone__"; // Map to internal placeholder
337 $folder_acls[$user] = $acl;
338 }
340 /* Merge given ACL with acl mapping
341 This ensures that no ACL will accidentally overwritten by gosa.
342 */
343 foreach($folder_acls as $user => $acl){
344 if(!isset($this->acl_mapping[$acl])){
345 $this->acl_mapping[$acl] = $acl;
346 }
347 }
349 return($folder_acls);
350 }
354 /*! \brief Write ACLs back to imap or what ever
355 */
356 public function setFolderACLs($permissions)
357 {
358 $this->reset_error();
360 /* imap_getacl available? */
361 if (!function_exists('imap_getacl')){
362 $this->error = _("The module imap_getacl is not implemented!");
363 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
364 "<b>IMAP: Cannot set folder acls.</b>");
365 return(FALSE);
366 }
368 /* Get list of subfolders */
369 $folders= $this->getMailboxList();
370 foreach ($folders as $subfolder){
371 $folder_id = $this->create_folder_id($subfolder);
372 echo $folder_id."<br>";
374 /* Remove all acl's for this folder */
375 $users= @imap_getacl ($this->imap_handle, $folder_id);
377 if(is_array($users)){
378 foreach ($users as $userid => $perms){
379 $userid = strtolower($userid);
380 imap_setacl ($this->imap_handle, $folder_id, $userid, "");
381 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$userid,
382 "<b>IMAP: Removing folder permissions.</b>");
383 }
384 }
385 }
387 /* Set permissions for this folder */
388 foreach($folders as $subfolder){
389 $folder_id = $this->create_folder_id($subfolder);
391 foreach ($permissions as $user => $acl){
392 imap_setacl ($this->imap_handle, $folder_id, $user, $acl);
393 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$user.": ".$acl,
394 "<b>IMAP: Setting new folder permissions.</b>");
395 }
396 }
397 return(TRUE);
398 }
401 public function saveSieveSettings()
402 {
403 mailMethod::saveSieveSettings();
405 /* Map attribute from parent class
406 */
407 $mail = $this->parent->mail;
408 $gosaMailDeliveryMode = $this->parent->gosaMailDeliveryMode;
409 $gosaMailAlternateAddress = $this->parent->gosaMailAlternateAddress;
410 $gosaMailMaxSize = $this->parent->gosaMailMaxSize;
411 $gosaSpamMailbox = $this->parent->gosaSpamMailbox;
412 $gosaSpamSortLevel = $this->parent->gosaSpamSortLevel;
413 $gosaVacationMessage = $this->parent->gosaVacationMessage;
415 /* Try to login into sieve
416 */
417 $cfg = $this->ServerList[$this->MailServer];
418 $sieve= new sieve($cfg["sieve_server"], $cfg["sieve_port"], $this->getUAttribValue(),
419 $cfg["password"], $cfg["admin"],$cfg["sieve_option"]);
420 if (!$sieve->sieve_login()){
421 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,"<b>SIEVE: login failed.</b>");
422 $this->error = $sieve->error_raw;
423 return(FALSE);
424 }
426 /* Build spamlevel. Spamassassin tags mails with "*" for each integer
427 point of spam. So a spam level of 5.3 gets "*****" which can be
428 checked easily by spam filters */
429 $spamlevel= str_pad("",(int) $gosaSpamSortLevel,"*");
431 /* Get current sieve script named 'gosa'.
432 Check if it valid ("###GOSA" must be the first string).
433 If it is valid just replace it, if it is NOT valid
434 create a backup of the old
435 */
436 $script= "";
437 if($sieve->sieve_listscripts()){
438 if (in_array("gosa", $sieve->response)){
439 if(!$sieve->sieve_getscript("gosa")){
440 $this->error = sprintf(_("Cannot retrieve SIEVE script: %s"),to_string($sieve->error_raw));
441 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,
442 "<b>SIEVE: Connot read 'gosa' sieve script.</b>");
443 $this->error = $sieve->error_raw;
444 return(FALSE);
445 }
447 $is_valid_script = FALSE;
448 foreach ($sieve->response as $line){
449 if(empty($line)) continue;
450 if (preg_match ("/^###GOSA/", $line) && strlen($script) == 0){
451 $is_valid_script = TRUE;
452 }
453 $line= rtrim($line);
454 $script .= $line;
455 }
457 if($is_valid_script || strlen($script) == 0 || empty($script)){
458 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"" ,
459 "<b>SIEVE</b>: Sieve script 'gosa' was a valid GOsa script and will be replaced.");
460 }else{
461 $new_name = "non_gosa_".date("Ymd_H-i-s");
462 $sieve->sieve_sendscript($new_name, $script);
463 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$this->sieve->error_raw ,
464 "<b>SIEVE</b>: Non GOsa sieve script. <b>Creating backup of the current sieve script '".$new_name."'.</b>");
465 }
466 }
467 }
470 /*****
471 Build up new sieve script here.
472 *****/
474 /* Only create a new one, if it is not empty */
475 $script= "";
476 if (is_integer(strpos($gosaMailDeliveryMode, "R")) ||
477 is_integer(strpos($gosaMailDeliveryMode, "C")) ||
478 !is_integer(strpos($gosaMailDeliveryMode, "L")) ||
479 is_integer(strpos($gosaMailDeliveryMode, "V")) ||
480 is_integer(strpos($gosaMailDeliveryMode, "S"))){
482 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-header.txt")));
483 eval ("\$script.=\"$text\";");
484 }
486 /* Add anti-spam code */
487 if (is_integer(strpos($gosaMailDeliveryMode, "S"))){
488 $spambox= $gosaSpamMailbox;
489 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-spam.txt")));
490 eval ("\$script.=\"$text\";");
491 }
493 /* Add "reject due to mailsize" code, message is currently not
494 adjustable through GOsa. */
495 if (is_integer(strpos($gosaMailDeliveryMode, "R"))){
496 $maxsize= $gosaMailMaxSize;
497 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-mailsize.txt")));
498 eval ("\$script.=\"$text\";");
499 }
501 /* Add vacation information */
502 if (is_integer(strpos($gosaMailDeliveryMode, "V"))){
504 /* Sieve wants all destination addresses for the
505 vacation message, so we've to assemble them from
506 mail and mailAlternateAddress */
507 $addrlist= "\"".$mail."\"";
508 foreach ($gosaMailAlternateAddress as $val){
509 $addrlist .= ", \"$val\"";
510 }
511 $vacmsg= $gosaVacationMessage;
512 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-vacation.txt")));
513 eval ("\$script.=\"$text\";");
514 }
516 /* If no local delivery is wanted, tell the script to discard the mail */
517 if (!is_integer(strpos($gosaMailDeliveryMode, "L"))){
518 $text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-discard.txt")));
519 eval ("\$script.=\"$text\";");
520 }
522 /****
523 Sieve script build complete
524 ****/
526 /* Upload script and make it the default one */
527 if (!$sieve->sieve_sendscript("gosa", $script)){
528 $this->error = sprintf(_("Cannot store SIEVE script: %s"), to_string($sieve->error_raw));
529 @DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "Error was: ".to_string($sieve->error_raw) ,
530 "<b>SIEVE: Writing new Sieve script failed!</b>");
531 return(FALSE);
532 }
534 if(!$sieve->sieve_setactivescript("gosa")){
535 $this->error = sprintf(_("Cannot activate SIEVE script: %s"), to_string($sieve->error_raw));
536 return(FALSE);
537 }
539 $sieve->sieve_logout();
540 }
541 }
543 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
544 ?>