Added escaped versions of uri, query and path.

middleware/replacer.go

@@ -3,6 +3,7 @@ package middleware
 import (
 	"net"
 	"net/http"
+	"net/url"
 	"path"
 	"strconv"
 	"strings"
@@ -40,7 +41,9 @@ func NewReplacer(r *http.Request, rr *responseRecorder, emptyValue string) Repla
 			}(),
 			"{host}":          r.Host,
 			"{path}":          r.URL.Path,
+			"{path_escaped}":  url.QueryEscape(r.URL.Path),
 			"{query}":         r.URL.RawQuery,
+			"{query_escaped}": url.QueryEscape(r.URL.RawQuery),
 			"{fragment}":      r.URL.Fragment,
 			"{proto}":         r.Proto,
 			"{remote}": func() string {
@@ -61,6 +64,7 @@ func NewReplacer(r *http.Request, rr *responseRecorder, emptyValue string) Repla
 				return port
 			}(),
 			"{uri}":         r.URL.RequestURI(),
+			"{uri_escaped}": url.QueryEscape(r.URL.RequestURI()),
 			"{when}": func() string {
 				return time.Now().Format(timeFormat)
 			}(),