Limit the max number of splitting

azush26 · azush26 · commit bf516ab99c3c · 2020-09-19T01:15:44.000+09:00
diff --git a/staging/src/k8s.io/apiserver/pkg/authentication/request/bearertoken/bearertoken.go b/staging/src/k8s.io/apiserver/pkg/authentication/request/bearertoken/bearertoken.go
@@ -39,7 +39,7 @@ func (a *Authenticator) AuthenticateRequest(req *http.Request) (*authenticator.R
 	if auth == "" {
 		return nil, false, nil
 	}
-	parts := strings.Split(auth, " ")
+	parts := strings.SplitN(auth, " ", 3)
 	if len(parts) < 2 || strings.ToLower(parts[0]) != "bearer" {
 		return nil, false, nil
 	}

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ func (a Authenticator) AuthenticateRequest(req http.Request) (*authenticator.R`
`39`	`39`	`if auth == "" {`
`40`	`40`	`return nil, false, nil`
`41`	`41`	`}`
`42`		`- parts := strings.Split(auth, " ")`
	`42`	`+ parts := strings.SplitN(auth, " ", 3)`
`43`	`43`	`if len(parts) < 2 \|\| strings.ToLower(parts[0]) != "bearer" {`
`44`	`44`	`return nil, false, nil`
`45`	`45`	`}`