use new method get_first_value from ltb-ldap project (#145)

composer.json

@@ -4,7 +4,7 @@
  "datatables.net/datatables.net-bs5": "2.0.8",
  "datatables.net/datatables.net-buttons-bs5": "3.0.2",
  "fortawesome/font-awesome": "v6.5.2",
- "ltb-project/ltb-common": "v0.2.1",
+ "ltb-project/ltb-common": "dev-main",
  "twbs/bootstrap": "v5.3.2"
  },
  "scripts": {

lib/smarty.inc.php

@@ -7,7 +7,7 @@
 
 function get_attribute($params) {
 
- $return = "";
+ $value = "";
  $dn = $params["dn"];
  $attribute = $params["attribute"];
  $ldap_url = $params["ldap_url"];
@@ -27,35 +27,11 @@ function get_attribute($params) {
  isset($ldap_krb5ccname) ? $ldap_krb5ccname : null
  );
 
- # Connect to LDAP
  $ldap_connection = $ldapInstance->connect();
 
- $ldap = $ldap_connection[0];
- $result = $ldap_connection[1];
+ $value = $ldapInstance->get_first_value($dn, "base", $ldap_filter, $attribute);
 
- if ($ldap) {
-
- # Search entry
- $search = ldap_read($ldap, $dn, $ldap_filter, explode(",", $attribute));
-
- $errno = ldap_errno($ldap);
-
- if ( $errno ) {
- error_log("LDAP - Search error $errno (".ldap_error($ldap).")");
- } else {
- $entry = ldap_get_entries($ldap, $search);
-
- # Loop over attribute
- foreach ( explode(",", $attribute) as $ldap_attribute ) {
- if ( isset ($entry[0][$ldap_attribute]) ) {
- $return = $entry[0][$ldap_attribute][0];
- break;
- }
- }
- }
- }
-
- return $return;
+ return $value;
 }
 
 function convert_ldap_date($date) {