Add MITM proxy for HTTPS requests

main.go

@@ -2,12 +2,34 @@ package main
 
 import (
 	"crypto/tls"
+	"crypto/x509"
+	"flag"
 	"log"
 	"net/http"
 )
 
+var (
+	caCertFile = flag.String("cert", "", "CA certificate file path")
+	caKeyFile  = flag.String("key", "", "CA private key file path")
+)
+
 func main() {
-	proxy := NewProxy()
+	flag.Parse()
+
+	tlsCA, err := tls.LoadX509KeyPair(*caCertFile, *caKeyFile)
+	if err != nil {
+		log.Fatalf("[FATAL] Could not load CA key pair: %v", err)
+	}
+
+	caCert, err := x509.ParseCertificate(tlsCA.Certificate[0])
+	if err != nil {
+		log.Fatalf("[FATAL] Could not parse CA: %v", err)
+	}
+
+	proxy, err := NewProxy(caCert, tlsCA.PrivateKey)
+	if err != nil {
+		log.Fatalf("[FATAL] Could not create Proxy: %v", err)
+	}
 
 	s := &http.Server{
 		Addr:         ":8080",
@@ -15,8 +37,8 @@ func main() {
 		TLSNextProto: map[string]func(*http.Server, *tls.Conn, http.Handler){}, // Disable HTTP/2
 	}
 
-	err := s.ListenAndServe()
+	err = s.ListenAndServe()
 	if err != nil && err != http.ErrServerClosed {
-		log.Fatalf("HTTP server closed: %v", err)
+		log.Fatalf("[FATAL] HTTP server closed: %v", err)
 	}
 }