Add 4c command

konata.sh

@@ -10,7 +10,7 @@ printf "Content-Type: text/plain\n\n"
 input=$(cat /dev/stdin)
 msg=$(jq -r '.message.text' <<< $input)
 cmd=$(cut -d" " -f1 <<< $msg)
-args=$(cut -d" " -f2- <<< $msg)
+args=($(cut -d" " -f2- <<< $msg))
 chat=$(jq -r '.message.chat.id' <<< $input)
 user=$(jq -r '.message.from.username' <<< $input)
 
@@ -134,7 +134,7 @@ repo(){
 mp3(){
 	admin
 	tmp="/tmp/mp3"
-	[ -d $tmp ] && mkdir $tmp
+	[ ! -d $tmp ] && mkdir $tmp
 	sendmsg "Downloading, this might take a while..."
 	youtube-dl -f 140 --max-filesize 50M -o "$tmp/%(title)s.%(ext)s" "$args"
 	rm $tmp/*.part
@@ -163,6 +163,25 @@ term(){
 	\`$(echo $args | bash - 2>&1)\`"
 }
 
+4c(){
+	admin
+	tmp="/tmp/4chan"
+	json="$tmp/${args[0]}.json"
+	[ ! -d $tmp ] && mkdir $tmp
+	[ ! -f $json ] && wget -O $json https://a.4cdn.org/${args[0]}/threads.json
+	thread=$(jq -r '.[].threads[].no' < $json | shuf | head -n1)
+	img=$(curl https://a.4cdn.org/${args[0]}/thread/$thread.json | jq -r '.posts[].tim' | shuf | head -n1)
+	url="https://i.4cdn.org/${args[0]}/$img"
+	sendlog "JSON: $json
+	Temp: $tmp
+	Thread: $thread
+	IMG: $img
+	URL: [JPG]($url.jpg) [PNG]($url.png)"
+	# TODO: Try to determine from JSON output whether image is PNG or JPG.
+	sendpic "$url.jpg"
+	sendpic "$url.png"
+}
+
 fail(){
 	debug "User @$user tried to execute $cmd and was rejected."
 	sendmsg "Sorry, you are not allowed to use this command!"
@@ -203,6 +222,7 @@ case "$cmd" in
 	/mp3@$bot*)		mp3 ;;
 	/stat@$bot)		stat ;;
 	/term@$bot*)		term ;;
+	/4c*)			4c ;;
 	# Notes and such
 	!anyone*)		anyone ;;
 esac