From 41aac2959b498a62fed271a18ea763be1b49ccc8 Mon Sep 17 00:00:00 2001
From: jhezjkp <jhezjkp@163.com>
Date: Sat, 13 Aug 2016 16:50:58 +0800
Subject: [PATCH] fix file download problem with a urls which includes a port
 #9

---
 http.go      | 7 ++++++-
 http_test.go | 7 +++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/http.go b/http.go
index 642b027..0136d83 100644
--- a/http.go
+++ b/http.go
@@ -43,9 +43,14 @@ func NewHttpDownloader(url string, par int, skipTls bool) *HttpDownloader {
 	var resumable = true
 
 	parsed, err := stdurl.Parse(url)
+	var host = parsed.Host
+	var portIndex = strings.Index(host, ":")
+	if portIndex >= 0 {
+		host = host[0:portIndex]
+	}
 	FatalCheck(err)
 
-	ips, err := net.LookupIP(parsed.Host)
+	ips, err := net.LookupIP(host)
 	FatalCheck(err)
 
 	ipstr := FilterIPV4(ips)
diff --git a/http_test.go b/http_test.go
index 44181eb..f8a2cac 100644
--- a/http_test.go
+++ b/http_test.go
@@ -25,3 +25,10 @@ func TestPartCalculate(t *testing.T) {
 		t.Fatalf("part range was wrong")
 	}
 }
+
+func TestNewHttpDownloader(t *testing.T) {
+	displayProgress = false
+
+	NewHttpDownloader("http://www.golangtc.com:80/static/go/1.7rc6/go1.7rc6.darwin-amd64.pkg", 1, true)
+	NewHttpDownloader("http://www.golangtc.com/static/go/1.7rc6/go1.7rc6.darwin-amd64.pkg", 1, true)
+}