From 2954045cb28ea8cbf4dbd019355a2df8fed28ccc Mon Sep 17 00:00:00 2001
From: Emiliano Ciavatta
Date: Tue, 15 Sep 2020 23:17:06 +0200
Subject: Refactor gzip decoder, added parsers with reproducers

---
 utils.go | 82 ----------------------------------------------------------------
 1 file changed, 82 deletions(-)

(limited to 'utils.go')

diff --git a/utils.go b/utils.go
index b07244d..a14fdca 100644
--- a/utils.go
+++ b/utils.go
@@ -13,11 +13,6 @@ import (
 	"net"
 	"os"
 	"time"
-	"net/http"
-	"bufio"
-	"strings"
-	"io/ioutil"
-	"compress/gzip"
 )
 
 func Sha256Sum(fileName string) (string, error) {
@@ -113,83 +108,6 @@ func DecodeBytes(buffer []byte, format string) string {
 	}
 }
 
-func ReadRequest(raw string) http.Request {
-	reader := bufio.NewReader(strings.NewReader(raw))
-	req,err := http.ReadRequest(reader)
-	if err != nil{
-		log.Info("Reading request: ",req)
-		return http.Request{}
-	}
-	return *req
-}
-
-func GetHeader(raw string) string{
-	tmp := strings.Split(raw,"\r\n")
-	end := len(tmp)
-	for i, line := range tmp{
-		if line == ""{
-			end = i
-			break
-		}
-	}
-	return strings.Join(tmp[:end],"\r\n")
-}
-
-func GetBody(raw string) string{
-	tmp := strings.Split(raw,"\r\n")
-	start := 0
-	for i, line := range tmp{
-		if line == ""{
-			start = i + 2
-			break
-		}
-	}
-	return strings.Join(tmp[start:],"\r\n")
-}
-
-func DecodeHttpResponse(raw string) string {
-	body := []byte{}
-	reader := bufio.NewReader(strings.NewReader(raw))
-	resp,err := http.ReadResponse(reader, &http.Request{})
-	if err != nil{
-		log.Info("Reading response: ",resp)
-		return ""
-	}
-
-	defer resp.Body.Close()
-
-	if resp.StatusCode >= 200 && resp.StatusCode < 300 {
-		var bodyReader io.ReadCloser
-		switch resp.Header.Get("Content-Encoding") {
-		case "gzip":
-			bodyReader, err = gzip.NewReader(resp.Body)
-			if err != nil {
-				log.Error("Gunzipping body: ",err)
-			}
-			defer bodyReader.Close()
-			body, err = ioutil.ReadAll(bodyReader)
-			if err != nil{
-				log.Error("Reading gzipped body: ",err)
-				// if the response is malformed
-				// or the connection is closed
-				fallbackReader, _ := gzip.NewReader(strings.NewReader(GetBody(raw)))
-				body, err = ioutil.ReadAll(fallbackReader)
-				if err != nil{
-					log.Error(string(body))
-				}
-			}
-		default:
-			bodyReader = resp.Body
-			body, err = ioutil.ReadAll(bodyReader)
-			if err != nil{
-				log.Error("Reading body: ",err)
-				body = []byte(GetBody(raw))
-			}
-		}
-	}
-	return GetHeader(raw) + "\r\n\r\n"+ string(body)
-}
-
 func CopyFile(dst, src string) error {
 	in, err := os.Open(src)
 	if err != nil {
-- 
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