demo

demo/main.go

@@ -7,43 +7,61 @@ import (
 	"github.com/go-httpproxy/httpproxy"
 )
 
-func OnError(ctx *httpproxy.Context, when string, err *httpproxy.Error, opErr error) {
-	log.Printf("%s %s %s", when, err, opErr)
+func OnError(ctx *httpproxy.Context, when string,
+	err *httpproxy.Error, opErr error) {
+	// Log errors.
+	log.Printf("ERR: %s: %s [%s]", when, err, opErr)
 }
 
-func OnAccept(ctx *httpproxy.Context, w http.ResponseWriter, r *http.Request) bool {
+func OnAccept(ctx *httpproxy.Context, w http.ResponseWriter,
+	r *http.Request) bool {
+	// Handle local request has path "/info"
+	if r.Method == "GET" && !r.URL.IsAbs() && r.URL.Path == "/info" {
+		w.Write([]byte("This is go-httpproxy."))
+		return true
+	}
 	return false
 }
 
 func OnAuth(ctx *httpproxy.Context, user string, pass string) bool {
+	// Auth test user.
 	if user == "test" && pass == "1234" {
 		return true
 	}
 	return false
 }
 
-func OnConnect(ctx *httpproxy.Context, host string) (ConnectAction httpproxy.ConnectAction, newHost string) {
+func OnConnect(ctx *httpproxy.Context, host string) (
+	ConnectAction httpproxy.ConnectAction, newHost string) {
+	// Apply "Man in the Middle" to all ssl connections. Never change host.
 	return httpproxy.ConnectMitm, host
 }
 
-func OnRequest(ctx *httpproxy.Context, req *http.Request) (resp *http.Response) {
-	log.Printf("Request %s", req.URL.String())
+func OnRequest(ctx *httpproxy.Context, req *http.Request) (
+	resp *http.Response) {
+	// Log proxying requests.
+	log.Printf("INFO: Proxy: %s %s", req.Method, req.URL.String())
 	return
 }
 
-func OnResponse(ctx *httpproxy.Context, req *http.Request, resp *http.Response) {
-	resp.Header.Add("Via", "test")
+func OnResponse(ctx *httpproxy.Context, req *http.Request,
+	resp *http.Response) {
+	// Add header "Via: go-httpproxy".
+	resp.Header.Add("Via", "go-httpproxy")
 }
 
 func main() {
+	// Create a new proxy with default certificate pair.
 	prx, _ := httpproxy.NewProxy()
+
+	// Set handlers.
 	prx.OnError = OnError
 	prx.OnAccept = OnAccept
 	prx.OnAuth = OnAuth
 	prx.OnConnect = OnConnect
 	prx.OnRequest = OnRequest
 	prx.OnResponse = OnResponse
-	prx.MitmChunked = true
 
+	// Listen...
 	http.ListenAndServe(":8080", prx)
 }