Initial QSfera import

Server/vendor/github.com/crewjam/httperr/response.go

@@ -0,0 +1,42 @@
+package httperr
+
+import (
+	"io"
+	"net/http"
+)
+
+// Response is an alias for http.Response that implements
+// the error interface. Example:
+//
+//   resp, err := http.Get("http://www.example.com")
+//   if err != nil {
+//   	return err
+//   }
+//   if resp.StatusCode != http.StatusOK {
+//   	return httperr.Response(*resp)
+//   }
+//   // ...
+//
+type Response http.Response
+
+func (re Response) Error() string {
+	statusText := re.Status
+	if statusText == "" {
+		statusText = http.StatusText(re.StatusCode)
+	}
+	return statusText
+}
+
+// WriteError copies the Response to the ResponseWriter.
+func (re Response) WriteError(w http.ResponseWriter, r *http.Request) {
+	for k, vv := range re.Header {
+		for _, v := range vv {
+			w.Header().Add(k, v)
+		}
+	}
+	w.WriteHeader(re.StatusCode)
+	io.Copy(w, re.Body)
+}
+
+var _ error = Response{}
+var _ Writer = Response{}