TUN-890: To support free tunnels, hostname can now be ""

validation/validation.go

@@ -15,7 +15,7 @@ var supportedProtocol = [2]string{"http", "https"}
 
 func ValidateHostname(hostname string) (string, error) {
 	if hostname == "" {
-		return "", fmt.Errorf("Hostname should not be empty")
+		return "", nil
 	}
 	// users gives url(contains schema) not just hostname
 	if strings.Contains(hostname, ":") || strings.Contains(hostname, "%3A") {

validation/validation_test.go

@@ -10,7 +10,7 @@ import (
 func TestValidateHostname(t *testing.T) {
 	var inputHostname string
 	hostname, err := ValidateHostname(inputHostname)
-	assert.Equal(t, err, fmt.Errorf("Hostname should not be empty"))
+	assert.Equal(t, err, nil)
 	assert.Empty(t, hostname)
 
 	inputHostname = "hello.example.com"