<?php
	/**************************************************************************\
	* phpGroupWare API - Accounts manager for LDAP                             *
	* Written by Joao Alfredo Knopik Junior <jakje@celepar.pr.gov.br>          *
	* View and manipulate account records using LDAP                           *
	* Copyright (C) 2000 - 2002 Joseph Engo, Lars Kneschke                     *
	* Copyright (C) 2003 Lars Kneschke, Bettina Gille                          *
	* ------------------------------------------------------------------------ *
	* This library is part of the phpGroupWare API                             *
	* http://www.phpgroupware.org                                              *
	* ------------------------------------------------------------------------ *
	* This library is free software; you can redistribute it and/or modify it  *
	* under the terms of the GNU Lesser General Public License as published by *
	* the Free Software Foundation; either version 2.1 of the License,         *
	* or any later version.                                                    *
	* This library is distributed in the hope that it will be useful, but      *
	* WITHOUT ANY WARRANTY; without even the implied warranty of               *
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     *
	* See the GNU Lesser General Public License for more details.              *
	* You should have received a copy of the GNU Lesser General Public License *
	* along with this library; if not, write to the Free Software Foundation,  *
	* Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA            *
	\**************************************************************************/
	
	include_once('class.common.inc.php');
	
	class sector_search_ldap 
	{
		var $common;
		var $ldap_connection;
		var $sector_name;
		var $sector_context;
		var $sector_level;
		var $sector_leaf;
			
		function sector_search_ldap($sector_name="", $sector_context="", $sector_level="", $sector_leaf="", $ldap_conn="")
		{
			if ($ldap_conn == "")
			{
				$this->common = new common;
				$this->ldap_connection = $this->common->ldapConnect();
			}
			else
				$this->ldap_connection = $ldap_conn;
				
			$this->sector_name = $sector_name;
			$this->sector_context = $sector_context;
			$this->sector_level = $sector_level;
			$this->sector_leaf = $sector_leaf;
		}
	
		// All levels of ou´s, organizations (first level) and sectors (rest levels)
		function sector_search($ldap_context, $clear_static_vars=true)
		{
			static $sectors_list = array();
			static $level = 0;
			
			if ($clear_static_vars)
			{
				$sectors_list = array();
				$level = 0;
			}
			
			$filter="ou=*";		
			$justthese = array("ou");
			$sr=ldap_list($this->ldap_connection, $ldap_context, $filter, $justthese);
			ldap_sort($this->ldap_connection ,$sr, "ou");
			$info = ldap_get_entries($this->ldap_connection, $sr);

			for ($i=0; $i<$info["count"]; $i++)
			{
				$level++;
				$next_ldap_context[$i] = $info[$i]["dn"];
				
				$obj = new sector_search_ldap($info[$i]["ou"][0], $next_ldap_context[$i], $level, 'False', $this->ldap_connection);
				array_push($sectors_list, $obj);

				$this->sector_search($next_ldap_context[$i], false);
			}
			$level--;
			return $sectors_list;
		}
		
		// Just the first level, or the organizations
		function organization_search($ldap_context)
		{
			$filter="ou=*";		
			$justthese = array("ou");
			
			$sr=ldap_list($this->ldap_connection, $ldap_context, $filter, $justthese);
			$info = ldap_get_entries($this->ldap_connection, $sr);
			
			for ($i=0; $i<$info["count"]; $i++)
			{
				$sectors_list[$i] = $info[$i]["ou"][0];
			}				
			sort($sectors_list);
			return $sectors_list;
		}
		
		// Retorna os organizações com os options prontos
		// Parametro master: realiza ldap_connect utilizando dados do Contact Center, permitindo buscas completas em todos os ldaps.
		function get_organizations($context, $selected='', $referral=false ,$show_invisible_ou=false, $master=false)
		{
			if ($master)
			{
				$ldap_cc_info = CreateObject('contactcenter.bo_ldap_manager');
				$ldap_cc_info = $ldap_cc_info ? $ldap_cc_info->srcs[1] : null;
				$dn			= $ldap_cc_info['acc'];
				$passwd		= $ldap_cc_info['pw'];
				$host 		= $ldap_cc_info['host'];
			}
			else
			{
				$dn			= $GLOBALS['phpgw_info']['server']['ldap_root_dn'];
				$passwd		= $GLOBALS['phpgw_info']['server']['ldap_root_pw'];
				$host		= $GLOBALS['phpgw_info']['server']['ldap_host'];
			}
			
			$ldap_conn	= ldap_connect($host);
			
			ldap_set_option($ldap_conn, LDAP_OPT_PROTOCOL_VERSION, 3);
			
			if ($referral)
				ldap_set_option($ldap_conn, LDAP_OPT_REFERRALS, 1);
			else
				ldap_set_option($ldap_conn, LDAP_OPT_REFERRALS, 0);
			
			ldap_bind($ldap_conn,$dn,$passwd);
			
			$justthese = array("dn");
			$filter = $show_invisible_ou ? "(ou=*)" : "(& (ou=*) (!(phpgwAccountVisible=-1)) )";
			$search=ldap_search($ldap_conn, $context, $filter, $justthese);
        	
        	ldap_sort($ldap_conn, $search, "ou");
        	$info = ldap_get_entries($ldap_conn, $search);
			ldap_close($ldap_conn);

			// Retiro o count do array info e inverto o array para ordenação.
	        for ($i=0; $i<$info["count"]; $i++)
    	    {
				$dn = $info[$i]["dn"];
				
				// Necessário, pq em uma busca com ldapsearch ou=*, traz tb o próprio ou. 
				if (strtolower($dn) == $context)
					continue;

				$array_dn = ldap_explode_dn ( $dn, 1 );

                $array_dn_reverse  = array_reverse ( $array_dn, true );

				// Retirar o indice count do array.
				array_pop ( $array_dn_reverse );

				$inverted_dn[$dn] = implode ( "#", $array_dn_reverse );
			}

			if (is_array($inverted_dn))
			{
				// Ordenação
				natcasesort($inverted_dn);
			
				// Construção do select
				$level = 0;
				foreach ($inverted_dn as $dn=>$invert_ufn)
				{
        	        $display = '';

            	    $array_dn_reverse = explode ( "#", $invert_ufn );
                	$array_dn  = array_reverse ( $array_dn_reverse, true );

	                $level = count( $array_dn ) - (int)(count(explode(",", $GLOBALS['phpgw_info']['server']['ldap_context'])) + 1);

    	            if ($level == 0)
						$display .= '+';
                	else 
                	{
						for ($i=0; $i<$level; $i++)
							$display .= '---';
                	}

                	reset ( $array_dn );
                	$display .= ' ' . (current ( $array_dn ) );
				
					$dn = trim(strtolower($dn));
					if ( $dn == $selected )
						$select = ' selected';
					else
						$select = '';
                	$options .= "<option value='$dn'$select>$display</option>";
        		}
			}

			// Cria a primeira entrada na combo 
			$first_sector_ufn = ldap_dn2ufn($context);
			$first_sector_string = split(",", $first_sector_ufn);
			
			if ($context == $selected)
				$select_first_entrie = ' selected';
			$options = "<option value='$context'$select_first_entrie>+ " . strtoupper($first_sector_string[0]) . "</option>" . $options;

    	    return $options;
		}

		// Retorna os setores (somente OUs de primeiro nivel) com as options prontas
		function get_sectors($selected='', $referral=false ,$show_invisible_ou=false)
		{
			$dn			= $GLOBALS['phpgw_info']['server']['ldap_root_dn'];
			$passwd		= $GLOBALS['phpgw_info']['server']['ldap_root_pw'];
			$context	= $GLOBALS['phpgw_info']['server']['ldap_context'];
			$ldap_conn	= ldap_connect($GLOBALS['phpgw_info']['server']['ldap_host']);
			
			ldap_set_option($ldap_conn, LDAP_OPT_PROTOCOL_VERSION, 3);
			
			if ($referral)
				ldap_set_option($ldap_conn, LDAP_OPT_REFERRALS, 1);
			else
				ldap_set_option($ldap_conn, LDAP_OPT_REFERRALS, 0);
			
			ldap_bind($ldap_conn,$dn,$passwd);
			
			$justthese = array("dn", "ou");
			$filter = $show_invisible_ou ? "(ou=*)" : "(&(ou=*)(!(phpgwAccountVisible=-1)))";
			
			$search=ldap_list($ldap_conn, $context, $filter, $justthese);
        	
        	ldap_sort($ldap_conn, $search, "ou");
        	$info = ldap_get_entries($ldap_conn, $search);
        	
			ldap_close($ldap_conn);
	        $options = '';
	        for ($i=0; $i<$info["count"]; $i++)
    	    {
    	    	$dn = trim(strtolower($info[$i]['dn']));
				if ( $dn == $selected )
					$select = ' selected';
				else
					$select = '';
				$display = strtoupper($info[$i]['ou'][0]);
				$options .= "<option value='$dn'$select>$display</option>";
    	    }
		
			return $options;
		}
	}
?>