From e244f14548f0a88caf487f6510f830891fdb7aef Mon Sep 17 00:00:00 2001
From: Martin Dosch <martin@mdosch.de>
Date: Wed, 10 Apr 2024 16:14:46 +0200
Subject: [PATCH] Retry without FAST if FAST authentication fails.

---
 main.go | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 7b6b056..83fc839 100644
--- a/main.go
+++ b/main.go
@@ -365,7 +365,24 @@ func main() {
 	// Connect to server.
 	client, err := connect(options, *flagDirectTLS)
 	if err != nil {
-		log.Fatal(err)
+		if fast.Token != "" {
+			// Reset FAST token and mechanism if FAST login failed.
+			fast.Token = ""
+			fast.Mechanism = ""
+			fast.Expiry = time.Now()
+			err := writeFastData(user, password, fast)
+			if err != nil {
+				fmt.Println(err)
+			}
+			options.FastToken = ""
+			// Try to connect to server without FAST.
+			client, err = connect(options, *flagDirectTLS)
+			if err != nil {
+				log.Fatal(err)
+			}
+		} else {
+			log.Fatal(err)
+		}
 	}
 
 	// Store fast token if a new one is received.