1 files changed, 32 insertions, 0 deletions
diff --git a/lib/send/parse.go b/lib/send/parse.go
new file mode 100644
index 00000000..460e91dc
--- /dev/null
+++ b/lib/send/parse.go
@@ -0,0 +1,32 @@
+package send
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+func parseScheme(uri *url.URL) (protocol string, auth string, err error) {
+	protocol = ""
+	auth = "plain"
+	if uri.Scheme != "" {
+		parts := strings.Split(uri.Scheme, "+")
+		switch len(parts) {
+		case 1:
+			protocol = parts[0]
+		case 2:
+			if parts[1] == "insecure" {
+				protocol = uri.Scheme
+			} else {
+				protocol = parts[0]
+				auth = parts[1]
+			}
+		case 3:
+			protocol = parts[0] + "+" + parts[1]
+			auth = parts[2]
+		default:
+			return "", "", fmt.Errorf("Unknown scheme %s", uri.Scheme)
+		}
+	}
+	return protocol, auth, nil
+}