Added doc for Redact and Added empty string case for header

Author: Jamario Rankins

debug/debug.go

@@ -48,7 +48,9 @@ func DumpRequest(req *http.Request) {
 	temp := req.Header.Get("Authorization")
 
 	if !UnmaskAPIKey {
-		req.Header.Set("Authorization", "Bearer "+utils.Redact(strings.Split(temp, " ")[1]))
+		if token := strings.Split(temp, " ")[1]; token != "" {
+			req.Header.Set("Authorization", "Bearer "+utils.Redact(token))
+		}
 	}
 
 	dump, err := httputil.DumpRequest(req, req.ContentLength > 0)

utils/utils.go

@@ -2,6 +2,9 @@ package utils
 
 import "strings"
 
+/*
+Redact masks the given token by replacing part of the string with *
+*/
 func Redact(token string) string {
 	str := token[4 : len(token)-3]
 	redaction := strings.Repeat("*", len(str))