/usr/share/gosa/plugins/personal/mail/class_mail-methods-cyrus.inc is in gosa-plugin-mail 2.7.4+reloaded2-9ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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class mailMethodCyrus extends mailMethod{
protected $ServerList = array();
protected $imap_handle = NULL;
protected $quota_loaded = FALSE;
/* Allow modification of the mail server attribute existing mail accounts */
protected $modifyableServer = FALSE;
/* Enforces same value for 'mail' as used for 'cn' */
protected $mailEqualsCN = FALSE;
protected $enableDomainSelection= FALSE;
protected $enableQuota = TRUE;
protected $enableSieveManager = TRUE;
protected $enableVacationRange = TRUE;
protected $enableFolderTypes = FALSE;
protected function init()
{
mailMethod::init();
if(isset($this->config->data['SERVERS']['IMAP'])){
$this->ServerList = $this->config->data['SERVERS']['IMAP'];
}
}
public function connect()
{
mailMethod::connect();
if(!count($this->ServerList)){
$this->error = _("There are no IMAP compatible mail servers defined!");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,
"<b>IMAP: No mail servers configured, check systems->server->service->imap.</b>","");
return(FALSE);
}elseif (!isset($this->ServerList[$this->MailServer])){
$this->error = _("Mail server for this account is invalid!");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,
"<b>IMAP: The selected mail server '".$this->MailServer."' is invalid.</b>","");
return(FALSE);
} else {
$cfg= $this->ServerList[$this->MailServer];
}
/* For some reason, hiding errors with @ does not wor here... */
if(!isset($cfg['connect'])) $cfg['connect']="";
if(!isset($cfg['admin'])) $cfg['admin']="";
if(!isset($cfg['password'])) $cfg['password']="";
/* Setting connect timeout to 10 seconds,
else the GOsa UI may freeze for 60 seconds.
(PHP default is 'default_socket_timeout = 60') */
$timeout = $this->config->get_cfg_value("core","imapTimeout");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$timeout,
"<b>IMAP: Setting imap connect timeout to</b> (seconds)");
imap_timeout(1, $timeout);
$this->imap_handle = @imap_open($cfg['connect'], $cfg['admin'], $cfg['password'], OP_HALFOPEN);
/* Mailbox reachable? */
if ($this->imap_handle === FALSE){
$this->error = imap_last_error();
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"<b>Failed</b> :".imap_last_error(),
"<b>IMAP:</b> ".$cfg['admin']."@".$cfg['connect']);
return (FALSE);
$this->connected = FALSE;
}
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"<b>successful</b>",
"<b>IMAP:</b> ".$cfg['admin']."@".$cfg['connect']);
$this->connected = TRUE;
return (TRUE);
}
public function account_exists()
{
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(array());
}
/* Get server config */
$cfg= $this->ServerList[$this->MailServer];
$list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
$res = is_array($list) && count($list);
if($res){
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account exists in imap server.</b>");
}else{
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"","<b>IMAP: Account seems NOT to exists in imap server.</b>");
}
return($res);
}
public function disconnect()
{
mailMethod::disconnect();
if($this->is_connected()){
@imap_close ($this->imap_handle);
}
}
public function is_connected()
{
$ret = mailMethod::is_connected();
return($ret && $this->imap_handle);
}
protected function loadQuota()
{
if(!$this->quotaEnabled()) return(TRUE);
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(FALSE);
}
$this->reset_error();
/* Load quota settings */
$result = array("quotaUsage"=>"","gosaMailQuota"=>"");
$quota_value = @imap_get_quota($this->imap_handle, $this->account_id);
/* Reset error queue, imap_qet_quota() will fail if the quota wasn't set yet.
*/
imap_errors();
if(is_array($quota_value) && count($quota_value)) {
if (isset($quota_value["STORAGE"]) && is_array($quota_value["STORAGE"])){
/* use for PHP >= 4.3 */
if($quota_value["STORAGE"]['limit'] == 2147483647){
$result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
$result['gosaMailQuota']= "";
}else{
$result['quotaUsage']= (int) ($quota_value["STORAGE"]['usage'] / 1024);
$result['gosaMailQuota']= (int) ($quota_value["STORAGE"]['limit'] / 1024);
}
} else {
/* backward icompatible */
if($quota_value['usage'] == 2147483647){
$result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
$result['gosaMailQuota']= "";
}else{
$result['quotaUsage']= (int) ($quota_value['usage'] / 1024);
$result['gosaMailQuota']= (int) ($quota_value['limit'] / 1024);
}
}
}
$this->quotaValue = $result['gosaMailQuota'];
$this->quotaUsage = $result['quotaUsage'];
/* Write debug output */
if(is_array($quota_value)){
if($this->quotaValue == ""){
$quota = "(".$this->quotaUsage." / unlimited)";
}else{
$quota = "(".$this->quotaUsage." / ".$this->quotaValue.")";
}
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, $quota ,
"<b>IMAP: Successfully received account quota</b>");
}else{
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, imap_last_error() ,
"<b>IMAP: Failed to receive account quota</b>");
}
}
public function getQuota($quota)
{
mailMethod::getQuota($quota);
if(!$this->quota_loaded){
$this->quota_loaded = TRUE;
$this->loadQuota();
}
return($this->quotaValue);
}
public function getQuotaUsage()
{
mailMethod::getQuotaUsage();
if(!$this->quota_loaded){
$this->quota_loaded = TRUE;
$this->loadQuota();
}
return($this->quotaUsage);
}
public function setQuota($number)
{
mailMethod::setQuota($number);
if(!$this->quotaEnabled()) return(TRUE);
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(FALSE);
}
$this->build_account_id();
/* Workaround for the php imap extension */
if (($this->quotaValue == "") || ($this->quotaValue== "2147483647")){
$this->quotaValue= "2147483647";
}elseif($this->quotaValue > 0){
$this->quotaValue = $this->quotaValue *1024;
}
$debug_number = $this->quotaValue." KB";
if($this->quotaValue == "2147483647"){
$debug_number .= "<i>Unlimited</i>";
}
if (!imap_set_quota($this->imap_handle, $this->account_id, $this->quotaValue)){
msg_dialog::display(_("IMAP error"), sprintf(_("Cannot modify IMAP mailbox quota: %s"),
'<br><br><i>'.imap_last_error().'</i>'), ERROR_DIALOG);
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
"<b>IMAP: Set account quota</b> on server '".$this->MailServer."' <b>".imap_last_error()."</b>");
return (FALSE);
}
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id.": (".$debug_number.")</b>" ,
"<b>IMAP: Set account quota</b> on server :".$this->MailServer);
return (TRUE);
}
public function updateMailbox()
{
mailMethod::updateMailbox();
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(FALSE);
}
$this->build_account_id ();
if($this->is_connected()){
$cfg= $this->ServerList[$this->MailServer];
$list = imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
if ($list === FALSE){
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id."</b>" ,
"<b>IMAP: Add/Update account</b> on server :".$this->MailServer);
if (!imap_createmailbox($this->imap_handle, $cfg["connect"].$this->account_id)){
$this->error = imap_last_error();
return(FALSE);
}
/* Autocreate configured default folders */
$folders= $this->config->get_cfg_value("mailAccount","cyrusAutocreateFolders");
if ($folders) {
$foldersToCreate= explode(",", $folders);
$cyrus_delim= $this->cyrusUseSlashes?"/":".";
// Walk thru list of specified folders
foreach ($foldersToCreate as $folder) {
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "<b>".$this->account_id."</b>" ,
"<b>IMAP: Add/Update account folder ".$folder."</b> on server :".$this->MailServer);
if(!imap_createmailbox($this->imap_handle, $cfg["connect"].$this->account_id.$cyrus_delim.$folder)) {
$this->error= imap_last_error();
return(FALSE);
}
}
}
}
}
return(TRUE);
}
public function deleteMailbox()
{
mailMethod::deleteMailbox();
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(FALSE);
}
$this->build_account_id ();
$cfg= $this->ServerList[$this->MailServer];
@imap_setacl ($this->imap_handle, $this->account_id, $cfg["admin"], "lrswipcda");
if ($this->config->boolValueIsTrue("mailAccount","cyrusDeleteMailbox")){
if (!imap_deletemailbox($this->imap_handle, $cfg["connect"].$this->account_id)){
$this->error = imap_last_error();
return (FALSE);
}
} else{
msg_dialog::display(_("Mail info"),
sprintf(_("LDAP entry has been removed but Cyrus mailbox (%s) is kept.\nPlease delete it manually!"),
$this->account_id), INFO_DIALOG);
}
return (TRUE);
}
public function getMailboxList()
{
mailMethod::getMailboxList();
if(!$this->is_connected() || !$this->imap_handle){
trigger_error("Method not connected, catch error.");
return(array());
}
$result = array();
/* Get server config */
$cfg= $this->ServerList[$this->MailServer];
/* Create search string
And prepare replacements
*/
if(preg_match("/\@/",$this->account_id)){
if($this->cyrusUseSlashes){
$search = preg_replace("/\@/","/*@",$this->account_id);
}else{
$search = preg_replace("/\@/",".*@",$this->account_id);
}
$with_domain = TRUE;
}else{
if($this->cyrusUseSlashes){
$search = $this->account_id."/*";
}else{
$search = $this->account_id.".*";
}
$with_domain = FALSE;
}
$folder = $this->account_id;
if(preg_match("/\@/",$folder)){
$folder = preg_replace("/\@.*$/","",$folder);
}
/* Contact imap server */
$list = @imap_listmailbox($this->imap_handle, $cfg["connect"], $this->account_id);
$list2 = @imap_listmailbox($this->imap_handle, $cfg["connect"], $search);
/* Create list of returned folder names */
if (is_array($list)){
/* Merge in subfolders */
if(is_array($list2)){
$list = array_merge($list,$list2);
}
foreach ($list as $val){
$str = trim(preg_replace("/^\{[^\}]*+\}/","",$val));
if($with_domain){
$str = trim(preg_replace("/\@.*$/","",$str));
}
$str = preg_replace ("/^.*".preg_quote($folder, '/')."/","INBOX",
mb_convert_encoding($str, "UTF-8", "UTF7-IMAP"));
$result[] = $str;
}
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,trim(implode($result,", "),", "),
"<b>IMAP: Received mailbox folders.</b>");
$this->error = imap_last_error();
}else{
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,imap_last_error(),
"<b>IMAP: Cannot receive mailbox folders.</b>");
$this->error = imap_last_error();
return(array());
}
/* Append "INBOX" to the folder array if result is empty and request comes from user dialog */
if(!count($result)){
$result[] = "INBOX";
}
return($result);
}
/*! \brief Returns configured acls
*/
public function getFolderACLs($folder_acls)
{
$this->reset_error();
/* imap_getacl available? */
if (!function_exists('imap_getacl')){
$this->error = _("The module imap_getacl is not implemented!");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
"<b>IMAP: Cannot set folder acls.</b>");
return($folder_acls);
}
/* Get ACLs and merge them with the already given acls (ldap)
*/
$this->build_account_id();
$acls = imap_getacl ($this->imap_handle, $this->account_id);
foreach($acls as $user => $acl){
if($user == "anyone") $user = "__anyone__"; // Map to internal placeholder
$folder_acls[$user] = $acl;
}
/* Merge given ACL with acl mapping
This ensures that no ACL will accidentally overwritten by gosa.
*/
foreach($folder_acls as $user => $acl){
if(!isset($this->acl_mapping[$acl])){
$this->acl_mapping[$acl] = $acl;
}
}
return($folder_acls);
}
/*! \brief Write ACLs back to imap or what ever
*/
public function setFolderACLs($permissions)
{
$this->reset_error();
/* imap_getacl available? */
if (!function_exists('imap_getacl')){
$this->error = _("The module imap_getacl is not implemented!");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"The imap_getacl module is missing!",
"<b>IMAP: Cannot set folder acls.</b>");
return(FALSE);
}
/* Get list of subfolders */
$folders= $this->getMailboxList();
foreach ($folders as $subfolder){
$folder_id = $this->create_folder_id($subfolder);
/* Remove all acl's for this folder */
$users= @imap_getacl ($this->imap_handle, $folder_id);
if(is_array($users)){
foreach ($users as $userid => $perms){
$userid = strtolower($userid);
imap_setacl ($this->imap_handle, $folder_id, $userid, "");
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$userid,
"<b>IMAP: Removing folder permissions.</b>");
}
}
}
/* Set permissions for this folder */
foreach($folders as $subfolder){
$folder_id = $this->create_folder_id($subfolder);
foreach ($permissions as $user => $acl){
imap_setacl ($this->imap_handle, $folder_id, $user, $acl);
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$folder_id." -> ".$user.": ".$acl,
"<b>IMAP: Setting new folder permissions.</b>");
}
}
return(TRUE);
}
public function saveSieveSettings()
{
mailMethod::saveSieveSettings();
// Check file integrity
$files = array();
foreach(array("sieve-header.txt","sieve-spam.txt","sieve-mailsize.txt","sieve-vacation.txt","sieve-discard.txt") as $file){
if(!file_exists(CONFIG_DIR."/".$file) || ! is_readable(CONFIG_DIR."/".$file)){
$files[] = CONFIG_DIR."/".$file;
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__ , CONFIG_DIR."/".$file,
"<b>Sieve template missing, please locate and move the template file: </b>");
}
}
if(count($files)){
$msg = sprintf(_("File '%s' does not exist!"),implode($files,", "));
$msg .= " "._("The sieve script may not be written correctly.");
msg_dialog::display(_("Warning"),$msg,WARNING_DIALOG);
}
/* Map attribute from parent class
*/
$mail = $this->parent->mail;
$gosaMailDeliveryMode = $this->parent->gosaMailDeliveryMode;
$gosaMailAlternateAddress = $this->parent->gosaMailAlternateAddress;
$gosaMailMaxSize = $this->parent->gosaMailMaxSize;
$gosaSpamMailbox = $this->parent->gosaSpamMailbox;
$gosaSpamSortLevel = $this->parent->gosaSpamSortLevel;
$gosaVacationMessage = $this->parent->gosaVacationMessage;
/* Try to login into sieve
*/
$cfg = $this->ServerList[$this->MailServer];
$sieve= new sieve($cfg["sieve_server"], $cfg["sieve_port"], $this->getUAttribValue(),
$cfg["password"], $cfg["admin"],$cfg["sieve_option"]);
if (!$sieve->sieve_login()){
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,"<b>SIEVE: login failed.</b>");
$this->error = $sieve->error_raw;
return(FALSE);
}
/* Build spamlevel. Spamassassin tags mails with "*" for each integer
point of spam. So a spam level of 5.3 gets "*****" which can be
checked easily by spam filters */
$spamlevel= str_pad("",(int) $gosaSpamSortLevel,"*");
/* Get current sieve script named 'gosa'.
Check if it valid ("###GOSA" must be the first string).
If it is valid just replace it, if it is NOT valid
create a backup of the old
*/
$script= "";
if($sieve->sieve_listscripts()){
if (in_array_strict("gosa", $sieve->response)){
if(!$sieve->sieve_getscript("gosa")){
$this->error = sprintf(_("Cannot retrieve SIEVE script: %s"),to_string($sieve->error_raw));
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$sieve->error_raw ,
"<b>SIEVE: Connot read 'gosa' sieve script.</b>");
$this->error = $sieve->error_raw;
return(FALSE);
}
$is_valid_script = FALSE;
foreach ($sieve->response as $line){
if(empty($line)) continue;
if (preg_match ("/^###GOSA/", $line) && strlen($script) == 0){
$is_valid_script = TRUE;
}
$line= rtrim($line);
$script .= $line;
}
if($is_valid_script || strlen($script) == 0 || empty($script)){
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,"" ,
"<b>SIEVE</b>: Sieve script 'gosa' was a valid GOsa script and will be replaced.");
}else{
$new_name = "non_gosa_".date("Ymd_H-i-s");
$sieve->sieve_sendscript($new_name, $script);
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__,$this->sieve->error_raw ,
"<b>SIEVE</b>: Non GOsa sieve script. <b>Creating backup of the current sieve script '".$new_name."'.</b>");
}
}
}
/*****
Build up new sieve script here.
*****/
/* Only create a new one, if it is not empty */
$script= "";
if (is_integer(strpos($gosaMailDeliveryMode, "R")) ||
is_integer(strpos($gosaMailDeliveryMode, "C")) ||
is_integer(strpos($gosaMailDeliveryMode, "I")) ||
is_integer(strpos($gosaMailDeliveryMode, "V")) ||
is_integer(strpos($gosaMailDeliveryMode, "S"))){
$text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-header.txt")));
eval ("\$script.=\"$text\";");
}
/* Add anti-spam code */
if (is_integer(strpos($gosaMailDeliveryMode, "S"))){
$spambox= $gosaSpamMailbox;
$text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-spam.txt")));
eval ("\$script.=\"$text\";");
}
/* Add "reject due to mailsize" code, message is currently not
adjustable through GOsa. */
if (is_integer(strpos($gosaMailDeliveryMode, "R"))){
$maxsize= $gosaMailMaxSize;
$text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-mailsize.txt")));
eval ("\$script.=\"$text\";");
}
/* Add vacation information */
if (is_integer(strpos($gosaMailDeliveryMode, "V"))){
/* Sieve wants all destination addresses for the
vacation message, so we've to assemble them from
mail and mailAlternateAddress */
$addrlist= "\"".$mail."\"";
foreach ($gosaMailAlternateAddress as $val){
$addrlist .= ", \"$val\"";
}
$vacmsg= addslashes(addslashes($gosaVacationMessage));
$text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-vacation.txt")));
eval ("\$script.=\"$text\";");
}
/* If no local delivery is wanted, tell the script to discard the mail */
if (is_integer(strpos($gosaMailDeliveryMode, "I"))){
$text= preg_replace('/"/', '\\"', implode ("", file(CONFIG_DIR."/sieve-discard.txt")));
eval ("\$script.=\"$text\";");
}
/****
Sieve script build complete
****/
/* Upload script and make it the default one */
if (!$sieve->sieve_sendscript("gosa", $script)){
$this->error = sprintf(_("Cannot store SIEVE script: %s"), to_string($sieve->error_raw));
@DEBUG (DEBUG_MAIL, __LINE__, __FUNCTION__, __FILE__, "Error was: ".to_string($sieve->error_raw) ,
"<b>SIEVE: Writing new Sieve script failed!</b>");
return(FALSE);
}
if(!$sieve->sieve_setactivescript("gosa")){
$this->error = sprintf(_("Cannot activate SIEVE script: %s"), to_string($sieve->error_raw));
return(FALSE);
}
$sieve->sieve_logout();
}
/*
* When using the Cyrus IMAP server we must not change the primary
* mail address if it is used as key into the Cyrus mailbox.
*/
public function isModifyableMail()
{
return ($this->getUAttrib() != "mail");
}
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>
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