fix crashes due to restricted perms

Author: mxssl

INSTALL-1.md

@@ -22,7 +22,7 @@ version: '2'
 
 services:
   tg-captcha-bot:
-    image: mxssl/tg-captcha-bot:v1.1.3
+    image: mxssl/tg-captcha-bot:v1.1.4
     volumes:
       - ./config.toml:/config.toml
     restart: unless-stopped

INSTALL-3.md

@@ -16,9 +16,9 @@ cd tg-captcha-bot
 2. Download bot binary and move it to needed directory
 
 ```bash
-wget https://github.com/mxssl/tg-captcha-bot/releases/download/v1.1.3/tg-captcha-bot_1.1.3_linux_amd64.tar.gz
+wget https://github.com/mxssl/tg-captcha-bot/releases/download/v1.1.4/tg-captcha-bot_1.1.4_linux_amd64.tar.gz
 
-tar xvzf tg-captcha-bot_1.1.3_linux_amd64.tar.gz
+tar xvzf tg-captcha-bot_1.1.4_linux_amd64.tar.gz
 
 mv tg-captcha-bot /usr/local/bin/tg-captcha-bot
 

main.go

@@ -117,7 +117,12 @@ func challengeUser(m *tb.Message) {
 		Unique: "challenge_btn",
 		Text:   config.ButtonText,
 	}}}
-	challengeMsg, _ := bot.Reply(m, config.WelcomeMessage, &tb.ReplyMarkup{InlineKeyboard: inlineKeys})
+
+	challengeMsg, err := bot.Reply(m, config.WelcomeMessage, &tb.ReplyMarkup{InlineKeyboard: inlineKeys})
+	if err != nil {
+		log.Printf("Can't send challenge msg: %v", err)
+		return
+	}
 
 	n, err := strconv.ParseInt(config.WelcomeTimeout, 10, 64)
 	if err != nil {