working filer server!

go/util/http_util.go

@@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"net/url"
+	"strings"
 )
 
 var (
@@ -71,3 +72,26 @@ func Delete(url string) error {
 	}
 	return nil
 }
+
+func DownloadUrl(fileUrl string) (filename string, content []byte, e error) {
+	response, err := client.Get(fileUrl)
+	if err != nil {
+		return "", nil, err
+	}
+	defer response.Body.Close()
+	contentDisposition := response.Header["Content-Disposition"]
+	if len(contentDisposition) > 0 {
+		glog.V(4).Info("Content-Disposition: ", contentDisposition[0])
+		if strings.HasPrefix(contentDisposition[0], "filename=") {
+			filename = contentDisposition[0][len("filename="):]
+		}
+	} else {
+		glog.V(4).Info("No Content-Disposition!")
+	}
+	content, e = ioutil.ReadAll(response.Body)
+	return
+}
+
+func Do(req *http.Request) (resp *http.Response, err error) {
+	return client.Do(req)
+}