@@ -38,6 +38,7 @@ import (
3838 "github.com/Mzack9999/gcache"
3939 "github.com/asaskevich/govalidator"
4040 "github.com/hashicorp/go-version"
41+ "github.com/iangcarroll/cookiemonster/pkg/monster"
4142 "github.com/kataras/jwt"
4243 "github.com/logrusorgru/aurora"
4344 "github.com/projectdiscovery/dsl/deserialization"
@@ -1437,7 +1438,35 @@ func init() {
14371438 }
14381439
14391440 return cases .Title (lang ).String (s ), nil
1440- }))
1441+ },
1442+ ))
1443+
1444+ MustAddFunction (NewWithSingleSignature ("cookie_unsign" ,
1445+ "(s string) string" , false ,
1446+ func (args ... interface {}) (interface {}, error ) {
1447+ argSize := len (args )
1448+ if argSize < 1 {
1449+ return nil , ErrInvalidDslFunction
1450+ }
1451+ s := toString (args [0 ])
1452+
1453+ wl := monster .NewWordlist ()
1454+ if err := wl .LoadDefault (); err != nil {
1455+ return s , errors .New ("could not load default wordlist" )
1456+ }
1457+
1458+ c := monster .NewCookie (s )
1459+ if ! c .Decode () {
1460+ return s , errors .New ("could not decode cookie" )
1461+ }
1462+
1463+ if cookie , ok := c .Unsign (wl , 100 ); ok {
1464+ return string (cookie ), nil
1465+ }
1466+
1467+ return s , errors .New ("could not unsign cookie" )
1468+ },
1469+ ))
14411470
14421471 MustAddFunction (NewWithPositionalArgs ("gzip_mtime" , 1 , true , func (args ... interface {}) (interface {}, error ) {
14431472 if len (args ) == 0 {
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