<?php

class servkolab extends plugin {
  /* CLI vars */
  var $cli_summary = "Manage server basic objects";
  var $cli_description = "Some longer text\nfor help";
  var $cli_parameters = array("eins"=>"Eins ist toll", "zwei"=>"Zwei ist noch besser");

  var $postfix_mydomain                 = "";
  var $postfix_mydestination            = "";
  var $postfix_mynetworks               = "127.0.0.1/8";
  var $postfix_enable_virus_scan        = "TRUE";
  var $postfix_relayhost                = "";
  var $postfix_mxrelayenabled           =  true;
  var $postfix_allow_unauthenticated     = "FALSE";
  var $cyrus_quotawarn                  = "80";
  var $kolabFreeBusyFuture              = "1";
  var $k                                = "kolab";
  var $cyrus_admins                     = "TRUE";
  var $cyrus_imap                       = "TRUE";
  var $cyrus_pop3                       = "TRUE";
  var $cyrus_imaps                      = "TRUE";
  var $cyrus_pop3s                      = "TRUE";
  var $cyrus_sieve                      = "TRUE";
  var $apache_allow_unauthenticated_fb  = "TRUE";
  var $proftpd_ftp                      = "TRUE";
  var $apache_http                      = "TRUE";
  var $kolabHost                        = array();
  var $is_in_there                      = false;
  var $exactName                        = false;
  var $attributes =  array("postfix_mydomain", "postfix_mydestination", "proftpd_ftp", "k",
        "postfix_mynetworks", "postfix_enable_virus_scan", "postfix_relayhost", "apache_http",
        "postfix_allow_unauthenticated", "cyrus_admins", "cyrus_imap","kolabFreeBusyFuture",
        "cyrus_pop3", "cyrus_imaps", "cyrus_pop3s", "cyrus_sieve", "apache_allow_unauthenticated_fb",
        "cyrus_quotawarn");
  var $objectclasses = array("top", "kolab");

  function servkolab($config, $dn = NULL) 
  {
    /* Setting the hostname and tell this Plugin that we are the kolab extension*/
    $this->hostname= preg_replace('/^cn=([^,]+),.*$/', '\1', $dn);
    $this->dn = "k=kolab,".$config->current['BASE'];
    
    /* Load variables, if given*/
    plugin::plugin($config, $this->dn);

    /* Copy needed attributes */
    foreach($this->attributes as $val) {
      $name = preg_replace('/_/', '-', $val);
      if (isset($this->attrs["$name"][0])) {
        $this->$val = $this->attrs["$name"][0];
      }
    }
  
    /* Toggle relayhost */
    $this->postfix_mxrelayenabled= preg_match('/^\[/', $this->postfix_relayhost);
    $this->postfix_relayhost = preg_replace("/[\[\]]/","",$this->postfix_relayhost);

    /* Is this Server a member of the Kolab extension or not ?*/ 
    if(isset($this->attrs['kolabHost'])) {
      $this->kolabHost= $this->attrs['kolabHost'];
      unset($this->kolabHost['count']);
    }
  

    $this->is_in_there=false;
    $this->is_account=false;
    foreach($this->kolabHost as $host){
      if(preg_match("/".$this->hostname.".*/i",$host)){
        $this->is_account=true;
        $this->is_in_there=true;
      }
    } 
  
    if(in_array($this->hostname, $this->kolabHost)) {
      $this->exactName=true;
    } else {   
      $this->exactName=false;    
    } 
    if(isset($this->attrs['postfix-mynetworks'])){
      if(is_array($this->attrs['postfix-mynetworks'])){  
        unset($this->attrs['postfix-mynetworks']['count']);
        $tmp="";
        foreach($this->attrs['postfix-mynetworks'] as $tm){
          $tmp.=$tm.";";
        }
        $this->postfix_mynetworks = $tmp;
      }
    }else{
      $this->postfix_mynetworks="";
    }
  }


  function execute() 
  {
	/* Call parent execute */
	plugin::execute();

    /* Fill templating stuff */
    $smarty = get_smarty();
    $display = "";

    /* The Ldap link is needed to ask ldap some questions */
    $ldap = $this->config->get_ldap_link();

    /* Do we need to flip is_account state? */
    if (isset($_POST['modify_state'])) {
      $this->is_account = !$this->is_account;
    }

    /* Show tab dialog headers */
    if ($this->is_account) {
      /* call Add Acoount to add account */
      $display = $this->show_header(_("Remove Kolab extension"), _("This server has kolab features enabled. You can disable them by clicking below."));
    } else {
      /* call remove Account */
      $display = $this->show_header(_("Add Kolab service"), _("This server has kolab features disabled. You can enable them by clicking below."));
      return ($display);
    }

    /* Set relayhost and if we have MX lookup enabled*/
    if($this->postfix_mxrelayenabled) {
      $smarty->assign("RelayMxSupportCheck"," checked ");
    } else {
      $smarty->assign("RelayMxSupportCheck","");
    }
    
    /* Initialize all attributes, that were submitted */
    foreach($this->attributes as $val) 
    {
      $smarty->assign($val."ACL",chkacl($this->acl,str_replace("_","-",$val)));

      /* Tell smarty which variables we are useing */
      $smarty->assign($val, $this->$val);
      if (($this->$val != "FALSE") && !empty($this->$val)){
        $smarty->assign($val."Check", "checked");
      } else {
        $smarty->assign($val."Check", "");
      }
    }

    /* Assemble free/busy string */
    $edit= sprintf('<input name="kolabFreeBusyFuture" value="%s" %s type="text" maxlength="3" size="4">',
            $this->kolabFreeBusyFuture, chkacl($this->acl, 'kolabFreeBusyFuture'));
    $fbfuture= sprintf(_("Include data from %s days in the past when creating free/busy lists"), $edit);
    $smarty->assign("fbfuture", $fbfuture);

    /* Assemble quota string */
    $edit= sprintf('<input name="cyrus_quotawarn" value="%s" type="text" maxlength="3" size="4" %s>',
          $this->cyrus_quotawarn, chkacl($this->acl, 'cyrus_quotawarn'));
    $quotastr= sprintf(_("Warn users when using more than %s%% of their mail quota"), $edit);
    $smarty->assign("quotastr", $quotastr);

    /* Load Template */
    $display.=$smarty->fetch(get_template_path('servkolab.tpl', TRUE));
    return ($display);
  }

  function remove_from_parent() 
  {
    $ldap= $this->config->get_ldap_link();
    $this->dn = "k=kolab,".$this->config->current['BASE'];

    if (count($this->kolabHost) == 0){
      return;
    }

    /* Are we alone? Remove complete entry... */
    if (count($this->kolabHost) == 1){

      /* Remove complete entry */
      $ldap->rmdir ($this->dn);
      show_ldap_error($ldap->get_error());
      
    } else {

      /* Only modify kolabHost */
      $hosts= array();
      foreach ($this->kolabHost as $host){
        if ($host != $this->cn){
          $hosts[]= $host;
        }
      }
      $attrs= array('kolabHost' => $hosts);
      $ldap->cd($this->dn);
      $ldap->modify($attrs);
      show_ldap_error($ldap->get_error());
    }

    /* Optionally execute a command after we're done */
    $this->handle_post_events("remove");
  }


  function save_object()    
  {
    if (isset($_POST['kolabtab'])){
      plugin::save_object();

      /* Save checkboxes */
      foreach (array( "postfix_enable_virus_scan", "postfix_allow_unauthenticated",
                      "cyrus_admins", "cyrus_imap", "cyrus_pop3", "cyrus_imaps",
                      "cyrus_pop3s", "cyrus_sieve", "apache_allow_unauthenticated_fb",
                      "proftpd_ftp", "apache_http") as $cb){
        if (isset($_POST[$cb])){
          $this->$cb= "TRUE";
        } else {
          $this->$cb= "FALSE";
        }
      }

      /* Toggle relay check */
      $this->postfix_mxrelayenabled= isset($_POST['RelayMxSupport']);
    }

  }


  function check() 
  {
    $message = array();
    if(($this->kolabFreeBusyFuture==""))    {
      $message[] = _("Future days in Free/Busy settings must be set.");
    }elseif(!is_uid($this->kolabFreeBusyFuture) || $this->kolabFreeBusyFuture < 0){
      $message[] = _("Future days in Free/Busy settings must be a positive value.");
    }

    if(!is_int((int)($this->cyrus_quotawarn))) {
      $message[] = _("The given Quota settings value must be a number.");
    }elseif(!(($this->cyrus_quotawarn<=100)&&($this->cyrus_quotawarn>=0))){
      $message[] = _("Please choose a value between 1 and 100 for Quota settings.");
    }elseif(strcasecmp($this->cyrus_quotawarn,(int)$this->cyrus_quotawarn)){
      $message[] = _("Future days must be a value.");
    }

    if(empty($this->postfix_mynetworks)) { 
      $message[] = _("No SMTP privileged networks set.");
    }

    if(empty($this->postfix_relayhost)) {
      $message[] = _("No SMTP smarthost/relayhost set.");
    }

    return ($message);
  }


  /* Save to LDAP */
  function save() 
  {
    /* Set ldap connection */
    $ldap = $this->config->get_ldap_link();
    
    /* Open current dn*/
    $this->dn = "k=kolab,".$this->config->current['BASE'];
  
    /* Adapt relayhost */
    $this->postfix_relayhost= preg_replace('/[\[\]]/', '', $this->postfix_relayhost);
    if (!$this->postfix_mxrelayenabled && $this->postfix_relayhost != ""){
      $this->postfix_relayhost= "[".$this->postfix_relayhost."]";
    }

    /* Add ourselves to the list of kolabHost's if needed */
    if ((!$this->is_in_there)){
      $this->kolabHost[]= $this->cn;
    }
    
 
    $tmp = split(";",$this->postfix_mynetworks);
    $this->postfix_mynetworks = array();
    foreach($tmp as $tm){
      trim($tm);
      if(!empty($tm)){
        $this->postfix_mynetworks[]=$tm;
      }
    }
  
    $this->attrs['postfix_mynetworks']=$this->postfix_mynetworks;

    /* Call parents save to prepare $this->attrs */
    plugin::save();

    /* Save or modify? */
    $ldap->cat($this->dn);
    if (!$ldap->fetch()){
      $mode= "add"; 
    } else {
      $mode= "modify";
    }

    /* Do attribute conversion */
    foreach ($this->attrs as $key => $value){
      if (preg_match('/_/', $key)){
        $old_key= $key;
        $key= preg_replace('/_/', '-', $key);
        $this->attrs[$key]= $value;
        unset($this->attrs[$old_key]);
      }
    }

    /* Add kolab hosts */
    $this->attrs['kolabHost']= $this->kolabHost;
  
    if(($this->is_in_there)&&(!$this->exactName)){
      unset($this->attrs['kolabHost']);
    }

    /* Perform LDAP action */
    $ldap->cd($this->dn);
    $ldap->$mode($this->attrs);
    show_ldap_error($ldap->get_error());
    
    /* Optionally execute a command after we're done */
    if ($this->initially_was_account == $this->is_account) {
      if ($this->is_modified) {
        $this->handle_post_events("mofify");
      }
    } else {
      $this->handle_post_events("add");
    }

  }

}

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?>