its the fastest ever

pkg/http/client.go

@@ -144,20 +144,16 @@ func (r *HTTPClient) Do(req *http.Request) (*http.Response, error) {
 	var resp *http.Response
 	var err error
 	attempt := 0
+
 	for {
+		if resp != nil && resp.Body != nil {
+			resp.Body.Close()
+		}
 		r.replaceHostIfNeeded(req) // needed for ipv6
 		if !strings.Contains(req.URL.Host, "api.real-debrid.com") {
 			r.log.Debugf("downloading %s", req.URL)
 		}
 		resp, err = r.client.Do(req)
-		// check if error is context deadline exceeded
-		if r.ensureIPv6Host && r.cfg.ShouldForceIPv6() && err != nil && strings.Contains(err.Error(), "context deadline exceeded") {
-			attempt += 1
-			if attempt > r.maxRetries {
-				break
-			}
-			continue
-		}
 		if resp != nil && resp.StatusCode/100 >= 4 {
 			body, _ := io.ReadAll(resp.Body)
 			if body != nil {
@@ -169,7 +165,7 @@ func (r *HTTPClient) Do(req *http.Request) (*http.Response, error) {
 				}
 			}
 		}
-		incr := r.shouldRetry(resp, reqHasRangeHeader, err, r.cfg.GetRateLimitSleepSeconds())
+		incr := r.shouldRetry(resp, reqHasRangeHeader, err, r.cfg.GetRateLimitSleepSecs())
 		if incr > 0 {
 			attempt += incr
 			if attempt > r.maxRetries {
@@ -255,6 +251,9 @@ func (r *HTTPClient) shouldRetry(resp *http.Response, reqHasRangeHeader bool, er
 			}
 		}
 	}
+	if err != nil && strings.Contains(err.Error(), "timeout awaiting response headers") {
+		return 1
+	}
 	if resp != nil {
 		if resp.StatusCode == 429 {
 			time.Sleep(time.Duration(rateLimitSleep) * time.Second)
@@ -279,7 +278,7 @@ func backoffFunc(attempt int) time.Duration {
 }
 
 func (r *HTTPClient) CanFetchFirstByte(url string) bool {
-	timeout := time.Duration(r.cfg.GetRealDebridTimeout()) * time.Second
+	timeout := time.Duration(r.timeoutSecs) * time.Second
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
 	req, err := http.NewRequest("GET", url, nil)