Extend ldap script to let people sign in with their emails because for some...

Extend ldap script to let people sign in with their emails because for some people they think username == email adderess

lib/ldap-auth.php

@@ -33,6 +33,13 @@ function ldapAuth($username, $password) {
 
 	if ($username != "" && $password != ""){
 
+		// people like to use emails to login so lets detect and strip
+		if(filter_var($username, FILTER_VALIDATE_EMAIL)){
+			//valid email, lets strip
+			$parts = explode("@", $username);
+			$username = $parts[0];
+		}
+
 		// ldap servers
 		$sucsLDAPServer = 'silver.sucs.swan.ac.uk';
 		$lisLDAPServer = 'ccs-suld1.swan.ac.uk';