| 1 | // Copyright 2011 Mark Cavage, Inc. All rights reserved.
|
| 2 |
|
| 3 | /**
|
| 4 | * RFC 2254 Escaping of filter strings
|
| 5 | *
|
| 6 | * Raw Escaped
|
| 7 | * (o=Parens (R Us)) (o=Parens \28R Us\29)
|
| 8 | * (cn=star*) (cn=star\2A)
|
| 9 | * (filename=C:\MyFile) (filename=C:\5cMyFile)
|
| 10 | *
|
| 11 | * Use substr_filter to avoid having * ecsaped.
|
| 12 | *
|
| 13 | * @author [Austin King](https://github.com/ozten)
|
| 14 | */
|
| 15 | exports.escape = function (inp) {
|
| 16 | if (typeof (inp) === 'string') {
|
| 17 | var esc = '';
|
| 18 | for (var i = 0; i < inp.length; i++) {
|
| 19 | switch (inp[i]) {
|
| 20 | case '*':
|
| 21 | esc += '\\2a';
|
| 22 | break;
|
| 23 | case '(':
|
| 24 | esc += '\\28';
|
| 25 | break;
|
| 26 | case ')':
|
| 27 | esc += '\\29';
|
| 28 | break;
|
| 29 | case '\\':
|
| 30 | esc += '\\5c';
|
| 31 | break;
|
| 32 | case '\0':
|
| 33 | esc += '\\00';
|
| 34 | break;
|
| 35 | default:
|
| 36 | esc += inp[i];
|
| 37 | break;
|
| 38 | }
|
| 39 | }
|
| 40 | return esc;
|
| 41 |
|
| 42 | } else {
|
| 43 | return inp;
|
| 44 | }
|
| 45 | };
|