From 307363a4cc6f68f1b20cb36a16092af4d1110bc1 Mon Sep 17 00:00:00 2001
From: "Kay Marquardt (Gnadelwartz)" <kay@rrr.de>
Date: Thu, 11 Apr 2019 20:33:39 +0200
Subject: [PATCH] functions user_is_creator user_is_admin

---
 bashbot.sh  | 21 +++++++++++++++++++--
 commands.sh | 10 ++++++----
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/bashbot.sh b/bashbot.sh
index f45adfb..752f4a0 100755
--- a/bashbot.sh
+++ b/bashbot.sh
@@ -10,7 +10,7 @@
 # This file is public domain in the USA and all free countries.
 # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
 #
-#### $$VERSION$$ v0.6-dev2-8-g649fe44
+#### $$VERSION$$ v0.6-dev2-10-gdb64978
 #
 # Exit Codes:
 # - 0 sucess (hopefully)
@@ -99,7 +99,8 @@ FORWARD_URL=$URL'/forwardMessage'
 INLINE_QUERY=$URL'/answerInlineQuery'
 ME_URL=$URL'/getMe'
 DELETE_URL=$URL'/deleteMessage'
-ME=$(curl -s "$ME_URL" | ./JSON.sh/JSON.sh -s | grep '\["result","username"\]' | cut -f 2 | cut -d '"' -f 2)
+GETMEMBER_URL=$URL'/getChatMember'
+ME="$(curl -s "$ME_URL" | ./JSON.sh/JSON.sh -s | grep '\["result","username"\]' | cut -f 2 | cut -d '"' -f 2)"
 
 
 FILE_URL='https://api.telegram.org/file/bot'$TOKEN'/'
@@ -205,6 +206,11 @@ delete_message() {
         res="$(curl -s "$DELETE_URL" -F "chat_id=$1" -F "message_id=$2")"
 }
 
+# usage: status="$(get_chat_member_status "chat" "user")"
+get_chat_member_status() {
+	curl -s "$GETMEMBER_URL" -F "chat_id=$1" -F "user_id=$2" | ./JSON.sh/JSON.sh -s | sed -n -e '/\["result","status"\]/  s/.*\][ \t]"\(.*\)"$/\1/p'
+}
+
 kick_chat_member() {
 	res="$(curl -s "$KICK_URL" -F "chat_id=$1" -F "user_id=$2")"
 }
@@ -217,6 +223,17 @@ leave_chat() {
 	res="$(curl -s "$LEAVE_URL" -F "chat_id=$1")"
 }
 
+user_is_creator() {
+	if [ "$1" == "$2" ] || [ "$(get_chat_member_status "$1" "$2")" == "creator" ]; then return 0; fi
+	return 1 
+}
+
+user_is_admin() {
+	local me; me="$(get_chat_member_status "$1" "$2")"
+	if [ "${me}" == "creator" ] || [ "${me}" == "administrator" ]; then return 0; fi
+	return 1 
+}
+
 answer_inline_query() {
 	case "$2" in
 		"article")
diff --git a/commands.sh b/commands.sh
index 9cc6db7..c89369d 100755
--- a/commands.sh
+++ b/commands.sh
@@ -4,7 +4,7 @@
 # This file is public domain in the USA and all free countries.
 # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
 #
-#### $$VERSION$$ v0.6-dev2-9-gf4e277b
+#### $$VERSION$$ v0.6-dev2-11-gaeb9a6a
 #
 # shellcheck disable=SC2154
 # shellcheck disable=SC2034
@@ -121,9 +121,11 @@ else
 			bashbot_help "${CHAT[ID]}"
 			;;
 			
-		'/leavechat')
-			send_markdown_message "${CHAT[ID]}" "*LEAVING CHAT...*"
-   			leave_chat "${CHAT[ID]}"
+		'/leavechat') # bot leave chat if user is admin in chat
+			if user_is_admin "${CHAT[ID]}" "${USER[ID]}"; then 
+				send_markdown_message "${CHAT[ID]}" "*LEAVING CHAT...*"
+   				leave_chat "${CHAT[ID]}"
+			fi
      			;;
      			
      		'/kickme')