egroupware/addressbook/inc/class.contacts_ldap.inc.php

<?php
/**************************************************************************\
* phpGroupWare API - Accounts manager for SQL                              *
* This file written by Joseph Engo <jengo@phpgroupware.org>                *
* View and manipulate contact records using SQL                            *
* Copyright (C) 2001 Joseph Engo                                           *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API                             *
* http://www.phpgroupware.org/api                                          * 
* ------------------------------------------------------------------------ *
* 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            *
\**************************************************************************/

/* $Id$ */

  	/*!
	 @class acl
	 @abstract Contact List System
	 @discussion Author: jengo/Milosch <br>
	 This class provides a contact database scheme. <br>
	 It attempts to be based on the vcard 2.1 standard, with mods as needed to make for more reasonable sql storage. <br>
	 Syntax: CreateObject('phpgwapi.contacts'); <br>
	 Example1: $contacts = CreateObject('phpgwapi.contacts');
	*/
	class contacts_
	{
		var $db;
		var $ldap;
		var $nextid;
		var $std_table="";
		var $ext_table="phpgw_addressbook_extra";

		var $account_id;
		var $stock_contact_fields;	// This is an array of almost the fields in the phpgw_addressbook table, except id,owner,lid,tid
		var $email_types;			// VCard email type array
		var $total_records;			// This will contain numrows for data retrieved

		function contacts_()
		{
			global $phpgw, $phpgw_info;

			$this->db = $phpgw->db;
			$this->ldap = $phpgw->common->ldapConnect(
				$phpgw_info['server']['ldap_contact_host'],
				$phpgw_info['server']['ldap_contact_dn'],
				$phpgw_info['server']['ldap_contact_pw']
			);
			$this->account_id = $phpgw_info["user"]["account_id"];

			// The left side are the array elements used throughout phpgw, right side are the ldap attributes
    	    $this->stock_contact_fields = array(
				"id"                  => "uidnumber",
				"lid"                 => "uid",
				"tid"                 => "phpgwcontacttype",
				"owner"               => "phpgwowner",
				"fn"                  => "cn",        // 'prefix given middle family suffix'
				"n_given"             => "givenname",   // firstname
				"n_family"            => "sn",  // lastname
				"n_middle"            => "middlename",
				"n_prefix"            => "prefix",
				"n_suffix"            => "suffix",
				"sound"               => "audio",
				"bday"                => "birthday",
				"note"                => "description",
				"tz"                  => "tz",
				"geo"                 => "geo",
				"url"                 => "url",
				"pubkey"              => "publickey",

				"org_name"            => "phpgworgname",  // company
				"org_unit"            => "phpgworgunit",  // division
				"title"               => "title",

				"adr_one_street"      => "street",
				"adr_one_locality"    => "locality", 
				"adr_one_region"      => "st", 
				"adr_one_postalcode"  => "postalcode",
				"adr_one_countryname" => "countryname",
				"adr_one_type"        => "phpgwadronetype", // address is domestic/intl/postal/parcel/work/home
				"label"               => "phpgwaddresslabel", // address label

				"adr_two_street"      => "phpgwadrtwostreet",
				"adr_two_locality"    => "phpgwadrtwolocality", 
				"adr_two_region"      => "phpgwadrtworegion", 
				"adr_two_postalcode"  => "phpgwadrtwopostalcode",
				"adr_two_countryname" => "phpgwadrtwocountryname",
				"adr_two_type"        => "phpgwadrtwotype", // address is domestic/intl/postal/parcel/work/home

				"tel_work"            => "telephonenumber",
				"tel_home"            => "homephone",
				"tel_voice"           => "voicetelephonenumber",
				"tel_fax"             => "facsimiletelephonenumber", 
				"tel_msg"             => "msgtelephonenumber",
				"tel_cell"            => "cellphone",
				"tel_pager"           => "pagertelephonenumber",
				"tel_bbs"             => "bbstelephonenumber",
				"tel_modem"           => "modemtelephonenumber",
				"tel_car"             => "mobiletelephonenumber",
				"tel_isdn"            => "isdnphonenumber",
				"tel_video"           => "videophonenumber",
				"tel_prefer"          => "preferphone", // home, work, voice, etc
				"email"               => "mail",
				"email_type"          => "mailtype", //'INTERNET','CompuServe',etc...
				"email_home"          => "mailhome",
				"email_home_type"     => "mailhometype" //'INTERNET','CompuServe',etc...
			);

			/* Used to flag an address as being:
			   domestic OR  international(default)
			   parcel(default)
			   postal(default)
			   work(default) OR home
			*/
			$this->adr_types = array(
				"dom"    => lang("Domestic"),
				"intl"   => lang("International"),
				"parcel" => lang("Parcel"),
				"postal" => lang("Postal")
			);

			// Used to set preferphone field
			$this->tel_types = array(
				"work"  => "work",
				"home"  => "home",
				"voice" => "voice",
				"fax"   => "fax",
				"msg"   => "msg",
				"cell"  => "cell",
				"pager" => "pager",
				"bbs"   => "bbs",
				"modem" => "modem",
				"car"   => "car",
				"isdn"  => "isdn",
				"video" => "video"
			);

			// Used to set mail_type fields
	        $this->email_types = array(
				"INTERNET"   => "INTERNET",
				"CompuServe" => "CompuServe",
				"AOL"        => "AOL",
				"Prodigy"    => "Prodigy",
				"eWorld"     => "eWorld",
				"AppleLink"  => "AppleLink",
				"AppleTalk"  => "AppleTalk",
				"PowerShare" => "PowerShare",
				"IBMMail"    => "IBMMail",
				"ATTMail"    => "ATTMail",
				"MCIMail"    => "MCIMail",
				"X.400"      => "X.400",
				"TLX"        => "TLX"
			);
		}

		// send this the id and whatever fields you want to see
		function read_single_entry($id,$fields="")
		{
			global $phpgw_info;
			if (!$fields || empty($fields)) { $fields = $this->stock_contact_fields; }
			list($stock_fields,$stock_fieldnames,$extra_fields) =
				$this->split_stock_and_extras($fields);

			if (count($stock_fieldnames)) {
				$t_fields = "," . implode(",",$stock_fieldnames);
				if ($t_fields == ",") {
					unset($t_fields);
				}
			}

			$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "uidnumber=".$id);
			$ldap_fields = ldap_get_entries($this->ldap, $sri);

			if (gettype($stock_fieldnames) == "array") {
				while(list($name,$value)=each($stock_fieldnames)) {
					$return_fields[0][$name] = $ldap_fields[0][$value][0];
				}
			}

			// Setup address type fields
			if ($return_fields[0]["adr_one_type"]) {
				$one_type = $return_fields[0]["adr_one_type"];
				reset($this->adr_types);
				while (list($name,$val) = each($this->adr_types)) {
					eval("if (strstr(\$one_type,\$name)) { \$return_fields[0][\"one_\$name\"] = \"on\"; }");
				}
			}
			if ($return_fields[0]["adr_two_type"]) {
				$two_type = $return_fields[0]["adr_two_type"];
				reset($this->adr_types);
				while (list($name,$val) = each($this->adr_types)) {
					eval("if (strstr(\$two_type,\$name)) { \$return_fields[0][\"two_\$name\"] = \"on\"; }");
				}
			}

			$this->db->query("select contact_name,contact_value from $this->ext_table where contact_id='" . $id . "'",__LINE__,__FILE__);
			while ($this->db->next_record()) {
				// If its not in the list to be returned, don't return it.
				// This is still quicker then 5(+) separate queries
				if ($extra_fields[$this->db->f("contact_name")]) {
					$return_fields[0][$this->db->f("contact_name")] = $this->db->f("contact_value");
				}
			}
			return $return_fields;
		}

		function read_last_entry($fields="")
		{
			global $phpgw_info;

			if (!$fields || empty($fields)) { $fields = $this->stock_contact_fields; }
			list($stock_fields,$stock_fieldnames,$extra_fields) =
				$this->split_stock_and_extras($fields);

			if (count($stock_fieldnames)) {
				$t_fields = "," . implode(",",$stock_fieldnames);
				if ($t_fields == ",") {
					unset($t_fields);
				}
			}

			$id = $this->nextid;
			if ($id == -1) { $id = 1; }

			$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "uidnumber=".$id);
			$ldap_fields = ldap_get_entries($this->ldap, $sri);

			if (gettype($stock_fieldnames) == "array") {
				while(list($name,$value)=each($stock_fieldnames)) {
					$return_fields[0][$name] = $ldap_fields[0][$value][0];
				}
			}

			// Setup address type fields
			if ($return_fields[0]["adr_one_type"]) {
				$one_type = $return_fields[0]["adr_one_type"];
				reset($this->adr_types);
				while (list($name,$val) = each($this->adr_types)) {
					eval("if (strstr(\$one_type,\$name)) { \$return_fields[0][\"one_\$name\"] = \"on\"; }");
				}
			}
			if ($return_fields[0]["adr_two_type"]) {
				$two_type = $return_fields[0]["adr_two_type"];
				reset($this->adr_types);
				while (list($name,$val) = each($this->adr_types)) {
					eval("if (strstr(\$two_type,\$name)) { \$return_fields[0][\"two_\$name\"] = \"on\"; }");
				}
			}

			$this->db->query("select contact_name,contact_value from $this->ext_table where contact_id='" . $id . "'",__LINE__,__FILE__);
			while ($this->db->next_record()) {
				// If its not in the list to be returned, don't return it.
				// This is still quicker then 5(+) separate queries
				if ($extra_fields[$this->db->f("contact_name")]) {
					$return_fields[0][$this->db->f("contact_name")] = $this->db->f("contact_value");
				}
			}
			return $return_fields;
		}

		// send this the range, query, sort, order and whatever fields you want to see
		// 'rights' is unused at this time
		function read($start=0,$offset=0,$fields="",$query="",$filter="",$sort="",$order="",$rights="")
		{
			global $phpgw,$phpgw_info;

			if (!$fields || empty($fields)) { $fields = $this->stock_contact_fields; }
			$DEBUG = 0;

			list($stock_fields,$stock_fieldnames,$extra_fields) = $this->split_stock_and_extras($fields);

			// turn filter's a=b,c=d OR a=b into an array
			if ($filter) {
				if ($DEBUG) { echo "DEBUG - Inbound filter is: #".$filter."#"; }
				$filterarray = split(',',$filter);
				if ($filterarray[1]) {
					$i=0;
					for ($i=0;$i<count($filterarray);$i++) {
						list($name,$value) = split("=",$filterarray[$i]);
						if ($name) {
							if ($DEBUG) { echo "<br>DEBUG - Filter intermediate strings 1: #".$name."# => #".$value."#"; }
							$filterfields[$name] = $value;
						}
					}
				} else {
					list($name,$value) = split('=',$filter);
					if ($DEBUG) {
						echo "<br>DEBUG - Filter intermediate strings 1: #".$name."# => #".$value."#";
					}
					$filterfields = array($name => $value);
				}

				// now check each element of the array and convert into SQL for queries
				// below
				$i=0;
				reset($filterfields);
				while (list($name,$value) = each($filterfields)) {
					if ($DEBUG) { echo "<br>DEBUG - Filter intermediate strings 2: #".$name."# => #".$value."#"; }
					$isstd=0;
					if ($name && empty($value)) {
						if ($DEBUG) { echo "<br>DEBUG - filter field '".$name."' is empty (NULL)"; }
						$check_stock = $this->stock_contact_fields + array('id' => 'id', 'tid' => 'tid', 'lid' => 'lid', 'owner' => 'owner');
						while (list($fname,$fvalue)=each($check_stock)) {
							if ($fvalue==$name) {
								$filterlist .= $name.' is NULL,';
								if ($DEBUG) { echo "<br>DEBUG - filter field '".$name."' is a stock field"; }
								break;
							}
						}
					} elseif($name && $value) {
						reset($stock_fields);
						while (list($fname,$fvalue)=each($stock_fields)) {
							if ($fvalue==$name) {
								$filterlist .= $name.'="'.$value.'",';
								break;
							}
						}
					}
					$i++;
				}
				$filterlist  = substr($filterlist,0,-1);
				$filterlist  = ereg_replace(","," AND ",$filterlist);

				if ($DEBUG) {
					echo "<br>DEBUG - Filter output string: #".$filterlist."#";
				}

				if ($filterlist) {
					$filtermethod = '('.$filterlist.') ';
					$fwhere = ' WHERE '; $fand = ' AND ';
				}
			}
			if ($DEBUG && $filtermethod) {
				echo "<br>DEBUG - Filtering with: #" . $filtermethod . "#";
			}

			if (!$sort) { $sort = "ASC";  }

			if (!$order) {
				$order = "n_family";
			}

			if ($DEBUG && $order) {
				echo "<br>DEBUG - ORDER by $order";
			}

			if ($query) {
				$ldap_fields = array();
				$total = 0;
				// Query each field seperately instead of using ldap OR search.
				// It seems PHP cannot do this correctly.
				reset($stock_fieldnames);
				while (list($name,$value) = each($stock_fieldnames) ) {
					$lquery = $value.'=*'.$query.'*';
					//echo $lquery; exit;
					$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], $lquery);
					// append the results
					$ldap_fields += ldap_get_entries($this->ldap, $sri);
					// add the # rows to our total
					$total = $total + ldap_count_entries($this->ldap, $sri);
				}

				echo '<br>first total="'.$total.'"';

				// Now, remove duplicate rows
				$tmp = array_unique($ldap_fields);
				$ldap_fields = $tmp;
/*
				$ldap_fields = $this->asortbyindex($ldap_fields,'uidnumber');
				reset($ldap_fields);
				if (count($ldap_fields) > 0) {
					for ($a = 0; $a < count($ldap_fields); $a++) {
						if ($ldap_fields[$a]) {
							echo '<br>comparing "'.$ldap_fields[$a]['uidnumber'][0]
								.'" to "'.$ldap_fields[$a - 1]['uidnumber'][0].'"';
							if (($ldap_fields[$a]['uidnumber'][0] <> $ldap_fields[$a - 1]['uidnumber'][0])
								) {
								$uniquearray[$a] = $ldap_fields[$a];
							} else {
								echo '<br>deleting "'.$ldap_fields[$a -1 ]['uidnumber'][0];
							}
						}
					}
					$ldap_fields = $uniquearray;
				}
*/
				$this->total_records = count($ldap_fields);
				echo '<br>total="'.$this->total_records.'"';
			}  else  {
				$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "phpgwowner=*");
				$ldap_fields = ldap_get_entries($this->ldap, $sri);
				$this->total_records = ldap_count_entries($this->ldap, $sri);
			}

			// Use shared sorting routines, based on sort and order
			if ($sort == "ASC") {
				$ldap_fields = $this->asortbyindex($ldap_fields, $this->stock_contact_fields[$order]);
			} else {
				$ldap_fields = $this->arsortbyindex($ldap_fields, $this->stock_contact_fields[$order]);
			}

			// This logic allows you to limit rows, or not.
			// The export feature, for example, does not limit rows.
			// This way, it can retrieve all rows at once.
			if ($start && $offset) {
				$limit = $start + $offset;;
			} elseif ($start && !$offset) {
				$limit = $start;
			} elseif(!$start && !$offset) {
				$limit = $this->total_records;
			} else { #(!$start && $offset) {
				$start = 0;
				$limit = $offset;
			}
			//echo '('.$start.','.$limit.')';

			reset($ldap_fields);
			$j=0;
			for ($i=$start;$i<$limit;$i++) {
				if ($i<$this->total_records && $ldap_fields[$i]["uid"][0]) {
					//echo '<br>j:'.$j;
					// unique id, lid for group/account records,
					// type id (g/u) for groups/accounts, and
					// id of owner/parent for the record
					$return_fields[$j]["id"]     = $ldap_fields[$i]["uidnumber"][0];
					$return_fields[$j]["lid"]    = $ldap_fields[$i]["uid"][0];
					$return_fields[$j]["tid"]    = $ldap_fields[$i]["phpgwcontacttype"][0];
					$return_fields[$j]["owner"]  = $ldap_fields[$i]["phpgwowner"][0];

					if (gettype($stock_fieldnames) == "array") {
						reset($stock_fieldnames);
						while (list($f_name,$f_value) = each($stock_fieldnames)) {
							$return_fields[$j][$f_name] = $ldap_fields[$i][$f_value][0];
						}
						reset($stock_fieldnames);
					}
					$this->db->query("SELECT contact_name,contact_value FROM $this->ext_table WHERE contact_id='"
						. $ldap_fields[$i]["id"] . "'",__LINE__,__FILE__);
					while ($this->db->next_record()) {
						// If its not in the list to be returned, don't return it.
						// This is still quicker then 5(+) separate queries
						if ($extra_fields[$this->db->f("contact_name")]) {
							$return_fields[$j][$this->db->f("contact_name")] = $this->db->f("contact_value");
						}
					}
					$j++;
				}
			}
			return $return_fields;
		}

		function add($owner,$fields)
		{
			global $phpgw,$phpgw_info;
			list($stock_fields,$stock_fieldnames,$extra_fields) = $this->split_stock_and_extras($fields);

			$free = 0;
			$this->nextid = $phpgw->common->last_id("contacts");
			// Loop until we find a free id
			while (!$free) {
				$ldap_fields = "";
				$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "uidnumber=".$this->nextid);
				$ldap_fields = ldap_get_entries($this->ldap, $sri);
				if ($ldap_fields[0]['dn'][0]) {
					$this->nextid = $phpgw->common->next_id("contacts");
				} else {
					$free = True;
				}
			}

			$ldap_fields = '';
			if (gettype($stock_fieldnames) == "array") {
				while(list($name,$value)=each($stock_fieldnames)) {
					$ldap_fields[$value] = $stock_fields[$name];
				}
			}

			$time = gettimeofday();
			$ldap_fields['uid'] = time().$time["usec"].":".$ldap_fields['givenname'];
			
			$dn = 'uid=' . $ldap_fields['uid'].',' . $phpgw_info["server"]["ldap_contact_context"];
			$ldap_fields['phpgwowner'] = $owner;
			$ldap_fields['uidnumber'] = $this->nextid;
			$ldap_fields['objectclass'][0] = 'person';
			$ldap_fields['objectclass'][1] = 'organizationalPerson';
			$ldap_fields['objectclass'][2] = 'inetOrgPerson';
			$ldap_fields['objectclass'][3] = 'phpgwContact';

			/*
			while (list($name,$value) = each($ldap_fields) ) {
				echo '<br>fieldname ="'.$name.'", value ="'.$value.'"';
			}
			exit;
			*/
			$err = ldap_add($this->ldap, $dn, $ldap_fields);

			//$this->db->unlock();
			if (count($extra_fields)) {
				while (list($name,$value) = each($extra_fields)) {
					$this->db->query("insert into $this->ext_table values ('".$this->nextid."','" . $this->account_id . "','"
						. addslashes($name) . "','" . addslashes($value) . "')",__LINE__,__FILE__);
				}
			}
		}

		function field_exists($id,$field_name)
		{
			$this->db->query("select count(*) from $this->ext_table where contact_id='$id' and contact_name='"
			. addslashes($field_name) . "'",__LINE__,__FILE__);
			$this->db->next_record();
			return $this->db->f(0);
		}

		function add_single_extra_field($id,$owner,$field_name,$field_value)
		{
			$this->db->query("insert into $this->ext_table values ($id,'$owner','" . addslashes($field_name)
			. "','" . addslashes($field_value) . "')",__LINE__,__FILE__);
		}

		function delete_single_extra_field($id,$field_name)
		{
			$this->db->query("delete from $this->ext_table where contact_id='$id' and contact_name='"
			. addslashes($field_name) . "'",__LINE__,__FILE__);
		}

		function update($id,$owner,$fields)
		{
			global $phpgw_info;
			// First make sure that id number exists
			$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "uidnumber=".$id);
			$ldap_fields = ldap_get_entries($this->ldap, $sri);

			if ($ldap_fields[0]['dn']) {
				$dn = $ldap_fields[0]['dn'];
				list($stock_fields,$stock_fieldnames,$extra_fields) = $this->split_stock_and_extras($fields);
				if (gettype($stock_fieldnames) == "array") {
					$stock_fields['phpgwowner'] = $owner;
					// Check each value, add our extra attributes if they are missing, and
					// otherwise fix the entry while we can.
					//
					// Verify uidnumber
					if (empty($ldap_fields[0]['uidnumber'])) {
						$stock_fields['uidnumber']      = $id;
						$err = ldap_modify($this->ldap,$dn,array('uidnumber' => $stock_fields['uidnumber']));
					} elseif (!$ldap_fields[0]['uidnumber']) {
						$stock_fields['uidnumber']      = $id;
						$err = ldap_mod_add($this->ldap,$dn,array('uidnumber' => $stock_fields['uidnumber']));
					}

					// Verify uid
					if (empty($ldap_fields[0]['uid'])) {
						$uids = split(',',$dn);
						$stock_fields['uid'] = $uids[0];
						$err = ldap_modify($this->ldap,$dn,array('uid' => $stock_fields['uid']));
					} elseif (!$ldap_fields[0]['uid']) {
						$uids = split(',',$dn);
						$stock_fields['uid'] = $uids[0];
						$err = ldap_mod_add($this->ldap,$dn,array('uid' => $stock_fields['uid']));
					}

					// Verify owner
					if (empty($ldap_fields[0]['owner'])) {
						$stock_fields['phpgwowner']          = $owner;
						$err = ldap_modify($this->ldap,$dn,array('owner' => $stock_fields['phpgwowner']));
					} elseif (!$ldap_fields[0]['owner']) {
						$stock_fields['phpgwowner']          = $owner;
						$err = ldap_mod_add($this->ldap,$dn,array('owner' => $stock_fields['phpgwowner']));
					}

					// Verify objectclasses are there
					if (empty($ldap_fields[0]['objectclass'])) {
						$stock_fields['objectclass'][0] = 'person';
						$stock_fields['objectclass'][1] = 'organizationalPerson';
						$stock_fields['objectclass'][2] = 'inetOrgPerson';
						$stock_fields['objectclass'][3] = 'phpgwContact';
						$err = ldap_modify($this->ldap,$dn,array('objectclass'  => $stock_fields['objectclass']));
					} elseif (!$ldap_fields[0]['objectclass']) {
						$stock_fields['objectclass'][0] = 'person';
						$stock_fields['objectclass'][1] = 'organizationalPerson';
						$stock_fields['objectclass'][2] = 'inetOrgPerson';
						$stock_fields['objectclass'][3] = 'phpgwContact';
						$err = ldap_mod_add($this->ldap,$dn,array('objectclass'  => $stock_fields['objectclass']));
					}

					// OK, just add the data already
					while ( list($fname,$fvalue) = each($stock_fieldnames) ) {
						if ($ldap_fields[0][$fvalue]) {
							//echo "<br>".$fname." was there";
							$err = ldap_modify($this->ldap,$dn,array($fvalue => $stock_fields[$fname]));
						} elseif (!$ldap_fields[0][$fvalue]) {
							//echo "<br>".$fname." not there";
							$err = ldap_mod_add($this->ldap,$dn,array($fvalue => $stock_fields[$fname]));
						}
					}
				}

				while (list($x_name,$x_value) = each($extra_fields)) {
					if ($this->field_exists($id,$x_name)) {
						if (! $x_value) {
							$this->delete_single_extra_field($id,$x_name);
						} else {
							$this->db->query("update $this->ext_table set contact_value='" . addslashes($x_value)
							. "',contact_owner='$owner' where contact_name='" . addslashes($x_name)
							. "' and contact_id='$id'",__LINE__,__FILE__);
						}
					} else {
						$this->add_single_extra_field($id,$owner,$x_name,$x_value);
					}
				}
			} else {
				return False;
			}
		}

		// This is where the real work of delete() is done, shared class file contains calling function
		function delete_($id)
		{
			global $phpgw_info;
			$sri = ldap_search($this->ldap, $phpgw_info["server"]["ldap_contact_context"], "uidnumber=".$id);
			$ldap_fields = ldap_get_entries($this->ldap, $sri);

			if ($ldap_fields[0]['dn']) {
				$err = ldap_delete($this->ldap,$ldap_fields[0]['dn']);

				$this->db->query("delete from $this->ext_table where contact_id='$id' and contact_owner='"
				. $this->account_id . "'",__LINE__,__FILE__);
			} else {
				return False;
			}
		}

	}

?>