added url path rewrite for forwarder node

config/config.go

@@ -364,10 +364,16 @@ type ForwardNodeConfig struct {
 	Metadata map[string]any `yaml:",omitempty" json:"metadata,omitempty"`
 }
 
+type HTTPURLRewriteConfig struct {
+	Match       string
+	Replacement string
+}
+
 type HTTPNodeConfig struct {
-	Host   string            `yaml:",omitempty" json:"host,omitempty"`
-	Header map[string]string `yaml:",omitempty" json:"header,omitempty"`
-	Auth   *AuthConfig       `yaml:",omitempty" json:"auth,omitempty"`
+	Host    string                 `yaml:",omitempty" json:"host,omitempty"`
+	Header  map[string]string      `yaml:",omitempty" json:"header,omitempty"`
+	Auth    *AuthConfig            `yaml:",omitempty" json:"auth,omitempty"`
+	Rewrite []HTTPURLRewriteConfig `yaml:",omitempty" json:"rewrite,omitempty"`
 }
 
 type TLSNodeConfig struct {

config/parsing/node/parse.go

@@ -3,6 +3,7 @@ package node
 import (
 	"fmt"
 	"net"
+	"regexp"
 	"strings"
 	"time"
 
@@ -189,6 +190,14 @@ func ParseNode(hop string, cfg *config.NodeConfig, log logger.Logger) (*chain.No
 				})),
 			)
 		}
+		for _, v := range cfg.HTTP.Rewrite {
+			if pattern, _ := regexp.Compile(v.Match); pattern != nil {
+				settings.Rewrite = append(settings.Rewrite, chain.HTTPURLRewriteSetting{
+					Pattern:     pattern,
+					Replacement: v.Replacement,
+				})
+			}
+		}
 		opts = append(opts, chain.HTTPNodeOption(settings))
 	}
 	if cfg.TLS != nil {