From 02578440cd02ceb6716f17acd9a77288bda1a561 Mon Sep 17 00:00:00 2001
From: Bohdan Horbeshko <bodqhrohro@gmail.com>
Date: Fri, 29 Sep 2023 16:59:13 -0400
Subject: [PATCH] Detect the "Have no write access to the chat" error from
 Telegram

---
 telegram/utils.go       | 7 +++++++
 xmpp/gateway/gateway.go | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/telegram/utils.go b/telegram/utils.go
index eba500c..cab450f 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -1304,6 +1304,13 @@ func (c *Client) returnMessage(returnJid string, chatID int64, text string, code
 }
 
 func (c *Client) returnError(returnJid string, chatID int64, msg string, err error, code int, isGroupchat bool) {
+	responseError, ok := err.(client.ResponseError)
+	log.Debugf("responseError: %#v", responseError)
+	if ok && responseError.Err != nil {
+		if responseError.Err.Message == "Have no write access to the chat" {
+			code = 403
+		}
+	}
 	c.returnMessage(returnJid, chatID, fmt.Sprintf("%s: %s", msg, err.Error()), code, isGroupchat)
 }
 
diff --git a/xmpp/gateway/gateway.go b/xmpp/gateway/gateway.go
index 9a42077..09cd42f 100644
--- a/xmpp/gateway/gateway.go
+++ b/xmpp/gateway/gateway.go
@@ -140,6 +140,9 @@ func sendMessageWrapper(to, from, body, subject, id string, component *xmpp.Comp
 		case 400:
 			message.Error.Type = stanza.ErrorTypeModify
 			message.Error.Reason = "bad-request"
+		case 403:
+			message.Error.Type = stanza.ErrorTypeAuth
+			message.Error.Reason = "forbidden"
 		case 404:
 			message.Error.Type = stanza.ErrorTypeCancel
 			message.Error.Reason = "item-not-found"