/**
* Search specified contexts for the specified userid and return the
* user dn like: cn=username,ou=suborg,o=org. It's actually a wrapper
* around ldap_find_userdn().
*
* @param string $userid the userid to search for (in external LDAP encoding, no magic quotes).
* @return mixed the user dn or false
*/
protected function ldap_find_userdn($userid)
{
global $CFG;
require_once $CFG->libdir . '/ldaplib.php';
$ldap_contexts = explode(';', $this->get_config('user_contexts'));
$ldap_defaults = ldap_getdefaults();
return ldap_find_userdn($this->ldapconnection, $userid, $ldap_contexts, '(objectClass=' . $ldap_defaults['objectclass'][$this->get_config('user_type')] . ')', $this->get_config('idnumber_attribute'), $this->get_config('user_search_sub'));
}
/**
* Search specified contexts for the specified userid and return the
* user dn like: cn=username,ou=suborg,o=org. It's actually a wrapper
* around ldap_find_userdn().
*
* @param string $userid the userid to search for (in external LDAP encoding, no magic quotes).
* @return mixed the user dn or false
*/
protected function ldap_find_userdn($userid)
{
global $CFG;
require_once $CFG->libdir . '/ldaplib.php';
$ldap_contexts = explode(';', $this->get_config('user_contexts'));
return ldap_find_userdn($this->ldapconnection, $userid, $ldap_contexts, $this->userobjectclass, $this->get_config('idnumber_attribute'), $this->get_config('user_search_sub'));
}
/**
* Search specified contexts for username and return the user dn
* like: cn=username,ou=suborg,o=org. It's actually a wrapper
* around ldap_find_userdn().
*
* @param resource $ldapconnection a valid LDAP connection
* @param string $extusername the username to search (in external LDAP encoding, no db slashes)
* @return mixed the user dn (external LDAP encoding) or false
*/
function ldap_find_userdn($ldapconnection, $extusername)
{
$ldap_contexts = explode(';', $this->config->contexts);
if (!empty($this->config->create_context)) {
array_push($ldap_contexts, $this->config->create_context);
}
return ldap_find_userdn($ldapconnection, $extusername, $ldap_contexts, $this->config->objectclass, $this->config->user_attribute, $this->config->search_sub);
}
function ldap_login($extusername, $extpassword)
{
global $options;
if ($options['ldap_enable'] != 1) {
return false;
}
$ldapconnection = ldap_connect_moodle();
$ldap_user_dn = ldap_find_userdn($ldapconnection, $extusername);
// If ldap_user_dn is empty, user does not exist
if (!$ldap_user_dn) {
ldap_close($ldapconnection);
return false;
}
// Try to bind with current username and password
$ldap_login = @ldap_bind($ldapconnection, $ldap_user_dn, $extpassword);
ldap_close($ldapconnection);
if ($ldap_login) {
return true;
}
return false;
}