ldap-escape

Template literal tag functions for LDAP filters and distinguished names to prevent LDAP injection attacks. Uses the escape codes from Active Directory: Characters to Escape.

Installation

npm install --save ldap-escape

Specification

escapes for search filter

Character	Escape
*	\2A
(	\28
)	\29
\	\5C
NUL	\00

escapes for distinguished names

Character	Escape
,	\,
\	\\
#	\#
+	\+
<	\<
>	\>
;	\;
"	\"
=	\=
SPC (leading or trailing)	\

Template Literal Tag Functions

ldapEscape.filter

Escapes input for use as an LDAP filter.

ldapEscape.dn

Escapes input for use as an LDAP distinguished name.

Examples

Escape a Search Filter

"use strict";

const ldapEscape = require('ldap-escape');

const uid = 1337;

console.log(ldapEscape.filter`uid=${uid}`); // -> 'uid=1337'

Escape a DN

"use strict";

const ldapEscape = require('ldap-escape');

const cn = 'alice';

console.log(ldapEscape.dn`cn=${cn},dc=test`); // -> 'cn=alice,dc=test'

Testing

npm test

License

See LICENSE.md