Add help and term commands

konata.sh

@@ -10,11 +10,25 @@ user=$(jq -r '.message.from.username' <<< $input)
 
 sendmsg(){
 	# Escape any special characters first, see https://0x0.st/NO7J.
-	fmt=$(sed 's/[][`~!@#$%^&*()-_=+{}\|;:",<.>/?'"'"']/\\&/g' <<< $1 | sed 's/\t//g')
+	fmt=$(sed 's/[][~!@#$%^&*()-_=+{}\|;:",<.>/?'"'"']/\\&/g' <<< $1 | sed 's/\t//g')
 	curl -X POST "https://api.telegram.org/bot$token/sendMessage" \
 		-d "chat_id=$chat" -d "parse_mode=markdownv2" -d "text=$fmt"
 }
 
+help(){
+	sendmsg "Hiya! I'm @ghnou's personal bot, Konata.
+	Currently I have the following features:
+	- /alive - Check whether I'm running.
+	- /cv [country] - Check COVID-19 stats.
+	- /id - Get the current chat's ID.
+	- /help - Show this help message.
+	Admin only commands:
+	- /stat - Uptime, memory, storage stats.
+	- /term - Execute a command on the system.
+
+	And a lot more to come!"
+}
+
 alive(){
 	sendmsg "Alive and well!"
 }
@@ -33,6 +47,11 @@ stat(){
 	$(df -h / | tail -n1 | awk '{print $3}') of storage."
 }
 
+term(){
+	admin
+	sendmsg "\`$(echo $args | bash - 2>&1)\`"
+}
+
 cv(){
 	stats=$(curl -sL corona.lmao.ninja/v2/countries/$args)
 	country=$(jq -r '.country' <<< $stats)
@@ -57,9 +76,11 @@ admin(){
 }
 
 case "$cmd" in
-	/alive*)	alive ;;
-	/stat*)		stat ;;
-	/cv*|/corona*)	cv ;;
-	/id*)		id ;;
-	@konatasanbot*)	hiya ;;
+	/start*|/help*)		help ;;
+	/alive*)		alive ;;
+	/stat*)			stat ;;
+	/cv*|/corona*)		cv ;;
+	/id*)			id ;;
+	/term*)			term ;;
+	*@konatasanbot*)	hiya ;;
 esac