<?php
class blocklist extends plugin
{
  /* Definitions */
  var $plHeadline= "FAX Blocklists";
  var $plDescription= "This does something";

  /* CLI vars */
  var $cli_summary= "Handling of GOfax block lists";
  var $cli_description= "Some longer text\nfor help";
  var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");

  /* blocklist attributes */
  var $cn= "";
  var $description= "";
  var $type= "";
  var $goFaxBlocklist= array();
  var $base= "";

  /* Headpage attributes */
  var $blocklists= array();

  /* attribute list for save action */
  var $attributes= array("cn", "description");
  var $objectclasses= array();

  function blocklist ($config, $ui)
  {
    $this->ui= $ui;
    $this->dn= "";
    $this->config= $config;

    /* Get global filter config */
    if (!is_global("blockfilter")){
      print_a($_SESSION['blocklist']);
      $uii= get_userinfo();
      $base= get_base_from_people($ui->dn);
      $blockfilter= array("sendlists" => "checked",
          "receivelists" => "checked",
          "entry" => "*",
          "depselect" => $base,
          "regex" => "*");
      register_global("blockfilter", $blockfilter);
    }else{
      $blockfilter = $_SESSION["blockfilter"];
      $this->base = $blockfilter['depselect'];
    }
  }

  function execute()
  {
    /* Get global smarty instance */
    $smarty= get_smarty();
    $blockfilter   = get_global("blockfilter"); // contains Filter Settings
    $s_action     = "";                       // Contains the action to proceed
    $s_entry      = "";                       // The value for s_action
    $base_back    = "";                       // The Link for Backbutton

    /* Start for New List Managment */
    if(isset($_GET['act'])&&($_GET['act']=="dep_open")){
      $s_action="open";
      $s_entry = base64_decode($_GET['dep_id']);
      $blockfilter['depselect']= "".$this->config->departments[trim($s_entry)];
      $this->reload();
    }

    /* Test Posts */
    foreach($_POST as $key => $val){
      // Post for delete
      if(preg_match("/user_del.*/",$key)){
        $s_action = "del";
        $s_entry  = preg_replace("/user_".$s_action."_/i","",$key);
        // Post for edit
      }elseif(preg_match("/user_edit_.*/",$key)){
        $s_action="edit";
        $s_entry  = preg_replace("/user_".$s_action."_/i","",$key);
        // Post for new
      }elseif(preg_match("/dep_back.*/i",$key)){
        $s_action="back";
      }elseif(preg_match("/user_new.*/",$key)){
        $s_action="new";
      }elseif(preg_match("/dep_home.*/i",$key)){
        $s_action="home";
      }elseif(preg_match("/user_tplnew.*/i",$key)){
        $s_action="new_tpl";
      }elseif(preg_match("/user_chgpw.*/i",$key)){
        $s_action="change_pw";
        $s_entry  = preg_replace("/user_chgpw_/i","",$key);
      }elseif(preg_match("/dep_root.*/i",$key)){
        $s_action="root";
      }
    }


    if((isset($_GET['act']))&&($_GET['act']=="edit_entry")){
      $s_action ="edit";
      $s_entry  = $_GET['id'];
    }

    $s_entry  = preg_replace("/_.$/","",$s_entry);

    /* Department changed? */
    if(isset($_POST['depselect']) && $_POST['depselect']){
      $blockfilter['depselect']= $_POST['depselect'];
      $this->reload();
    }

    /* Homebutton is posted */
    if($s_action=="home"){
      $blockfilter['depselect']=(preg_replace("/^[^,]+,/","",$this->ui->dn));
      $blockfilter['depselect']=(preg_replace("/^[^,]+,/","",$blockfilter['depselect']));
      $this->reload();
    }

    if($s_action=="root"){
      $blockfilter['depselect']=($this->config->current['BASE']);
      $this->reload();
    }
    
    /* If Backbutton is Posted */
    if($s_action=="back"){
      $base_back          = preg_replace("/^[^,]+,/","",$blockfilter['depselect']);
      $base_back          = convert_department_dn($base_back);

      if(isset($this->config->departments[trim($base_back)])){
        $blockfilter['depselect']= $this->config->departments[trim($base_back)];
      }else{
        $blockfilter['depselect']= $this->config->departments["/"];
      }
      $this->reload();
    }

    register_global("blockfilter", $blockfilter);

    /* Save data */
    $blockfilter= get_global("blockfilter");
    foreach( array( "entry", "regex") as $type){
      if (isset($_POST[$type])){
        $blockfilter[$type]= $_POST[$type];
      }
    }
    if (isset($_POST['depselect'])){
      foreach( array("sendlists", "receivelists") as $type){

        if (isset($_POST[$type])) {
          $blockfilter[$type]= "checked";
        } else {
          $blockfilter[$type]= "";
        }
      }
    }
    if (isset($_GET['search'])){
      $s= mb_substr($_GET['search'], 0, 1, "UTF8")."*";
      if ($s == "**"){
        $s= "*";
      }
      $blockfilter['regex']= $s;
    }
    register_global("blockfilter", $blockfilter);

    /* Create new blocklist? */
    if ($s_action=="new"){
      $this->clear_fields();
      $this->acl= "#all#";
      $this->dn= "new";
      plugin::plugin ($this->config, $this->dn);
    }

    /* Edit selected blocklist? */
    if ($s_action=="edit"){
      $this->clear_fields();
      $this->dn=$this->blocklists[$s_entry]['dn']; 
      $this->acl= get_permissions ($this->dn, $this->ui->subtreeACL);
      $this->acl= get_module_permission($this->acl, "blocklists", $this->dn);
      plugin::plugin ($this->config, $this->dn);

      /* Load missing lists */
      if (isset($this->attrs["goFaxSBlocklist"])){
        for ($i= 0; $i<$this->attrs["goFaxSBlocklist"]["count"]; $i++){
          $this->goFaxBlocklist[]= $this->attrs["goFaxSBlocklist"][$i];
        }
        $this->type= 0;
      } elseif (isset($this->attrs["goFaxRBlocklist"])){
        for ($i= 0; $i<$this->attrs["goFaxRBlocklist"]["count"]; $i++){
          $this->goFaxBlocklist[]= $this->attrs["goFaxRBlocklist"][$i];
        }
        $this->type= 1;
      }
      $_SESSION['objectinfo']= trim($this->dn);
    }

    /* Delete blocklist requested */
    if ($s_action=="del"){
      $this->dn=$this->blocklists[$s_entry]['dn'];
      /* Check locking */
      if (($user= get_lock($this->dn)) != ""){
        $_SESSION['dn']= $this->dn;
        return(gen_locked_message($user, $this->dn));
      } else {
# Lock this dn for editing
        add_lock ($this->dn, $this->ui->dn);

        $smarty->assign("info", sprintf(_("You're about to delete the blocklist '%s'."), $this->dn));
        return($smarty->fetch(get_template_path('remove.tpl', TRUE)));
      }
    }

    /* Finally delete blocklist */
    if (isset($_POST['delete_blocklist_confirm'])){
      $acl= get_permissions ($this->dn, $this->ui->subtreeACL);
      $acl= get_module_permission($acl, "blocklists", $this->dn);
      if (chkacl($acl, "all") == ""){
        $this->remove_from_parent();
        gosa_log ("Blocklist object'".$this->dn."' has been removed");
        $this->reload ();
      } else {
        print_red (_("You have no permission to remove this blocklist."));
      }
    }

    /* Cancel dialog */
    if (isset($_POST['edit_cancel']) || isset($_POST['delete_blocklist_cancel']) ||
        isset($_POST['delete_blocklist_confirm']) || isset($_POST['delete_lock'])){

      del_lock ($this->dn);
      $this->clear_fields();
      unset($_SESSION['objectinfo']);
    }

    /* Handle interactions: add */
    if (isset($_POST['add_number']) && $_POST['number'] != ""){
      if (is_phone_nr($_POST['number'])){
        $this->addNumber ($_POST['number']);
      } else {
        print_red (_("Please specify a valid phone number."));
      }
    }

    /* Handle interactions: delete */
    if (isset($_POST['delete_number']) && count($_POST['numbers']) > 0){
      $this->delNumber ($_POST['numbers']);
    }

    /* What about finish? */
    if (isset($_POST['edit_finish'])){
      $message= $this->check();

      /* No errors, save object */
      if (count ($message) == 0){

        /* Perpare 'dn' in case of new entries */
        if ($this->dn == "new"){
          $this->dn= "cn=$this->cn,ou=gofax,ou=systems,".$this->base;
        }

        $this->save ();
        gosa_log ("Blocklist object'".$this->dn."' has been saved");
        $this->acl= "#none#";
        $this->dn= "";
        del_lock ($this->ui->dn);
        unset($_SESSION['objectinfo']);
      } else {
        /* Errors found, show message */
        show_errors ($message);
      }
    }

    /* Headpage or normal plugin screen? */
    if ($this->dn == ""){
      /* Check sorting variable */
      $this->reload();

      /* Check for exeeded sizelimit */
      if (($message= check_sizelimit()) != ""){
        return($message);
      }

   $options= "";
    foreach ($this->config->idepartments as $key => $value){
            if ($blockfilter['depselect'] == $key){
                    $options.= "<option selected value='$key'>$value</option>";
            } else {
                    $options.= "<option value='$key'>$value</option>";
            }
    }


      /* NEW LIST MANAGMENT */
      $listhead = "<div style='background:#F0F0F9;padding:5px;'>".
        " <input type='image' align='middle' src='images/list_back.png' title='"._("Go up one department")."' alt='"._("Up")."' name='dep_back'>&nbsp;".
        " <input type='image' src='images/list_root.png' align='middle' title='"._("Go to root department")."' name='dep_root' alt='"._("Root")."'>&nbsp;".
        " <input type='image' align='middle' src='images/list_home.png' title='"._("Go to users department")."' alt='"._("Home")."' name='dep_home'>&nbsp;".
        " <img src='images/list_seperator.png' align='middle' alt='' height='16' width='1'>&nbsp;".
        " <input type='image' align='middle' src='images/list_new_blocklist.png' title='"._("Create new blocklist")."' alt='"._("New Blocklist")."' name='user_new'>&nbsp;".
        " <img src='images/list_seperator.png' align='middle' alt='' height='16' width='1'>&nbsp;"._("Current base")."&nbsp;<select name='depselect' onChange='mainform.submit()'>$options</select>".
        " <input type='image' src='images/list_submit.png' align='middle' title='"._("Submit department")."' name='submit_department' alt='"._("Submit")."'>&nbsp;".
        "</div>";

      $action= "<input type='image' src='images/edit.png' alt='"._("edit")."'     name='user_edit_%KEY%' title='"._("Edit user")."'>";
      $action.= "<input type='image' src='images/editdelete.png' alt='"._("delete")."'   name='user_del_%KEY%' title='"._("Delete user")."'>";


      $divlist = new divlist("faxtabs");
      $divlist->SetHeader(array(
            array("string" => "&nbsp;"),
            array("string" => _("Blocklist name")." / "._("Department")),
            array("string" => _("Actions"), "attach" => "style='border:none'" )));


      $divlist->SetSummary(_("This table displays faxblocklists for the selected tree."));
      $divlist->SetEntriesPerPage(20);

      // Defining Links
      $linkopen = "<a href='?plug=".$_GET['plug']."&amp;act=dep_open&amp;dep_id=%s'>%s</a>";
      foreach($this->departments as $key=> $val){
        $field1 = array("string" => "<img src='images/folder.png' alt='department'>");
        $field2 = array("string" => sprintf($linkopen,base64_encode($key),$val));
        $field3 = array("string" => "&nbsp;", "attach" => "style='border:none'");
        $divlist->AddEntry(array($field1,$field2,$field3));
      }

      // User and Template  Images
      $blockimg = "<img src='images/list_blocklist.png' alt='User' title='%s'>";
      $editlink = "<a href='?plug=".$_GET['plug']."&amp;id=%s&amp;act=edit_entry'>%s</a>";

      foreach($this->blocklists as $key => $val){
        // Generate Array to Add
        $display= "[".$val["cn"][0]."]";
        $field1 = array("string" => sprintf($blockimg,$val['dn']),"attach"=>"style='width:20px;align:middle;'");
        $field2 = array("string" => sprintf($editlink,$key,$display),"attach"=>"title='".$val['dn']."'");
        $field3 = array("string" => preg_replace("/%KEY%/", "$key", $action),"attach" => "style='border:none; text-align:right;width:40px'");
        $divlist->AddEntry( array($field1,$field2,$field3));
      }

      /* Show main page */
      $smarty->assign("blocklistshead", $listhead);
      $smarty->assign("blocklists", $divlist->DrawList());
      $smarty->assign("search_image", get_template_path('images/search.png'));
      $smarty->assign("tree_image", get_template_path('images/tree.png'));
      $smarty->assign("infoimage", get_template_path('images/info.png'));
      $smarty->assign("launchimage", get_template_path('images/launch.png'));
      $smarty->assign("apply", apply_filter());
      foreach( array("depselect", "entry", "regex", "sendlists", "receivelists") as $type){
        $smarty->assign("$type", $blockfilter[$type]);
      }
      $smarty->assign("deplist", $this->config->idepartments);
      $smarty->assign("alphabet", generate_alphabet());
      $smarty->assign("hint", print_sizelimit_warning());

      return($smarty->fetch(get_template_path('headpage.tpl', TRUE)));
    }

    /* Set base */
    if ($this->base == ""){
      if ($this->dn == "new"){
        $ui= get_userinfo();
        $this->base= dn2base($ui->dn);
      } else {
        $this->base= preg_replace ("/^[^,]+,[^,]+,[^,]+,/", "", $this->dn);
      }
    }

    /* Fill templating stuff */
    $smarty->assign("bases", $this->config->idepartments);
    $smarty->assign("base_select", $_SESSION['blockfilter']['depselect']);//$this->base);
    $smarty->assign("types", array(0 => _("send"), 1 => _("receive")));
    if ($this->dn == "new" || preg_match ("/,ou=incoming,/", $this->dn)){
      $smarty->assign("selectmode", "");
      $smarty->assign("mode", "");
    } else {
      $smarty->assign("selectmode", "disabled");
      $smarty->assign("mode", "readonly");
    }
    foreach(array("cn", "description", "type", "goFaxBlocklist") as $val){
      $smarty->assign("$val", $this->$val);
      $smarty->assign("$val"."ACL", chkacl($this->acl, "$val"));
    }

    /* Lock blocklist type for non new entries */
    if ($this->dn != "new"){
      $smarty->assign('typeACL', "disabled");
    }

    /* Show main page */
    return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
  }

  function clear_fields()
  {
    $this->dn= "";
    $this->description= "";
    $this->cn= "";
    $this->base= "";
    $this->goFaxBlocklist= array();
    $this->acl= "#none#";
  }

  function reload()
  {
    /* Get config */
    $blockfilter= get_global('blockfilter');

    /* Set base for all searches */
    $base= $blockfilter['depselect'];
    $filter= "";

    /* Regex filter? */
    if ($blockfilter['regex'] != ""){
      $regex= $blockfilter['regex'];
    } else {
      $regex= "*";
    }

    /* Entry filter? */
    /* Get list of blocklists to be shown */
    if ($blockfilter['sendlists'] == "checked"){
      $filter.= "(objectClass=goFaxSBlock)";
    }
    if ($blockfilter['receivelists'] == "checked"){
      $filter.= "(objectClass=goFaxRBlock)";
    }
    if ($filter != ""){
      $filter= "(|$filter)";
    }

    if ($blockfilter['entry'] != "" && $blockfilter['entry'] != "*"){
      $filter.= "(|(goFaxSBlocklist=".$blockfilter['entry'].")(goFaxRBlocklist=".$blockfilter['entry']."))";
    }

    /* Generate blocklists */
    $res= get_list($this->ui->subtreeACL, "(&(cn=$regex)$filter)", TRUE, $base, array("*"));

    $this->blocklists=$res;

    /* NEW LIST MANAGMENT
     * We also need to search for the departments
     * So we are able to navigate like in konquerer
     */
    $base2 = preg_replace("/ou=people,/i","",$base);

    $res3 =  get_list2($this->ui->subtreeACL, "(&(|(ou=$regex)(description=$regex))(objectClass=gosaDepartment))",
        TRUE, $base2, array("ou", "description"), TRUE);

    $this->departments= array();
    $tmp = array();
    foreach ($res3 as $value){
      $tmp[strtolower($value['dn']).$value['dn']]=$value;
    }
    ksort($tmp);
    foreach($tmp as $value){
      if($value["description"][0]!=".."){
        $this->departments[$value['dn']]=convert_department_dn2($value['dn'])." - [".$value["description"][0]."]";
      }else{
        $this->departments[$value['dn']]=$value["description"][0];
      }
    }

    /* END NEW LIST MANAGMENT
     */
    $tmp=array();
    foreach($this->blocklists as $tkey => $val ){
      $tmp[strtolower($val['cn'][0]).$val['cn'][0]]=$val;
    }
    ksort($tmp);
    $this->blocklists=array();
    foreach($tmp as $val){
      $this->blocklists[]=$val;
    }
    reset ($this->blocklists);
  }

  function remove_from_parent()
  {
    $ldap= $this->config->get_ldap_link();
    $ldap->rmDir($this->dn);
    $this->handle_post_events("remove");
  }


  /* Save data to object */
  function save_object()
  {
    plugin::save_object();

    /* Save type, needed to detect objectClass */
    if (isset($_POST['type']) && chkacl($this->acl, "cn") == ""){
      $this->type= $_POST['type'];
    }

    /* Save base, since this is no LDAP attribute */
    if (isset($_POST['base']) && chkacl($this->acl, "create") == ""){
      $this->base= $_POST['base'];
    }
  }


  /* Check values */
  function check()
  {
    $message= array();

    /* Permissions for that base? */
    if ($this->base != ""){
      $new_dn= "cn=".$this->cn.",ou=gofax,ou=systems,".$this->base;
    } else {
      $new_dn= $this->dn;
    }

    $ui= get_userinfo();
    $acl= get_permissions ($new_dn, $ui->subtreeACL);
    $acl= get_module_permission($acl, "blocklist", $new_dn);
    if (chkacl($acl, "create") != ""){
      $message[]= _("You have no permissions to create a blocklist on this 'Base'.");
    }


    /* check syntax: must cn */
    if ($this->cn == ""){
      $message[]= _("Required field 'Name' is not set.");
    } else {
      if (!is_uid($this->cn)){
        $message[]= _("Required field 'Name' contains invalid characters");
      }
      if ($this->dn == 'new'){
        $ldap= $this->config->get_ldap_link();
        $ldap->cd ("ou=gofax,ou=systems,".$this->config->current["BASE"]);
        $ldap->search ("(&(|(objectClass=goFaxSBlock)(objectClass=goFaxRBlock))".
            "(cn=".$this->cn."))", array("cn"));
        if ($ldap->count() != 0){
          $message[]= _("Specified name is already used.");
        }
      }
    }

    /* Is user allowed to create in 'base'? */
    if (chkacl($this->acl, "create") != ""){
      $message[]= _("No permission to create a blocklist on this base.");
    }

    return $message;
  }


  /* Save to LDAP */
  function save()
  {
    plugin::save();

    /* Type selection */
    if ($this->type == 0){
      $type= "goFaxSBlock";
    } else {
      $type= "goFaxRBlock";
    }

    /* Add list */
    $this->attrs['objectClass']= $type;
    if (count($this->goFaxBlocklist)){
      $this->attrs["$type"."list"]= $this->goFaxBlocklist;
    }

    /* Write back to ldap */
    $ldap= $this->config->get_ldap_link();
    $ldap->cd($ldap->getParentDir($this->dn));
    $ldap->search("cn=$this->cn");
    $a= $ldap->fetch();
    if (count($a)){
      if (!isset($this->attrs["$type"."list"])){
        $this->attrs["$type"."list"]= array();
      }
      $ldap->cd($this->dn);
      $ldap->modify($this->attrs);
      $this->handle_post_events("modify");
    } else {
      $ldap->cd($this->config->current['BASE']);
      $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
      $ldap->cd($this->dn);
      $ldap->add($this->attrs);
      $this->handle_post_events("add");
    }
    show_ldap_error($ldap->get_error());
  }


  function addNumber($number)
  {
    if (!in_array($number, $this->goFaxBlocklist)){
      $this->goFaxBlocklist[]= $number;
      sort($this->goFaxBlocklist);
    }
  }

  function delNumber($numbers)
  {
    $tmp= array();
    foreach ($this->goFaxBlocklist as $val){
      if (!in_array($val, $numbers)){
        $tmp[]= $val;
      }
    }
    $this->goFaxBlocklist= $tmp;
  }

  function remove_lock()
  {
    if (isset($this->dn)){
      del_lock ($this->dn);
    }
  }

}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>