From dc9078c3f524d3e802f7fab43e8a539e249a224f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Fri, 7 Jul 2023 23:20:03 +0200
Subject: [PATCH] publish: Try to decode ntfy error string

---
 main.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index defc73e..8f97b64 100644
--- a/main.go
+++ b/main.go
@@ -58,6 +58,10 @@ type notification struct {
 	status       string
 }
 
+type ntfyError struct {
+	Error string `json:"error"`
+}
+
 func (br *bridge) singleAlertNotifications(p *payload) []*notification {
 	var notifications []*notification
 	for _, alert := range p.Alerts {
@@ -321,7 +325,13 @@ func (br *bridge) publish(n *notification) error {
 
 	defer resp.Body.Close()
 	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("ntfy: received status code %d", resp.StatusCode)
+		var ntfyError ntfyError
+		if err := json.NewDecoder(resp.Body).Decode(&ntfyError); err != nil {
+			br.logger.Debugf("Publish: failed to decode error: %v", err)
+			return fmt.Errorf("ntfy: received status code %d", resp.StatusCode)
+		}
+
+		return fmt.Errorf("ntfy: %s (status code %d)", ntfyError.Error, resp.StatusCode)
 	}
 
 	return nil