From 1fb8c36529ceefd5ae55a8451af71517e2530772 Mon Sep 17 00:00:00 2001
From: alfiosalanitri <alfiosalanitri@gmail.com>
Date: Thu, 21 Oct 2021 00:17:10 +0200
Subject: [PATCH] code format

---
 .gitignore             |   1 +
 wg-clients-guardian.sh | 142 ++++++++++++++++++++---------------------
 2 files changed, 72 insertions(+), 71 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..723ef36
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea
\ No newline at end of file
diff --git a/wg-clients-guardian.sh b/wg-clients-guardian.sh
index 7ab603b..8520fbb 100644
--- a/wg-clients-guardian.sh
+++ b/wg-clients-guardian.sh
@@ -18,86 +18,86 @@ TELEGRAM_CHAT_ID="your-chat-id"
 TELEGRAM_BOT_ID="your-bot-api-key"
 
 # human readable bytes
-hr(){
-    numfmt --to=iec-i --suffix=B "$1"
+hr() {
+  numfmt --to=iec-i --suffix=B "$1"
 }
 
 # cicle all clients
-listClients(){
-    if DUMP="$(wg show wg0 dump)"; then
-        DUMP="$(tail -n +2 <<< "$DUMP")"
-    else
-        exit 1
-    fi
+listClients() {
+  if DUMP="$(wg show wg0 dump)"; then
+    DUMP="$(tail -n +2 <<<"$DUMP")"
+  else
+    exit 1
+  fi
 
-    {
-    
-	#printf "\e[4mName\e[0m  \t  \e[4mRemote IP\e[0m  \t  \e[4mVirtual IP\e[0m  \t  \e[4mBytes Received\e[0m  \t  \e[4mBytes Sent\e[0m  \t  \e[4mLast Seen\e[0m\n"
+  {
+
+    #printf "\e[4mName\e[0m  \t  \e[4mRemote IP\e[0m  \t  \e[4mVirtual IP\e[0m  \t  \e[4mBytes Received\e[0m  \t  \e[4mBytes Sent\e[0m  \t  \e[4mLast Seen\e[0m\n"
 
     while IFS= read -r LINE; do
 
-        PUBLIC_KEY="$(awk '{ print $1 }' <<< "$LINE")"
-        REMOTE_IP="$(awk '{ print $3 }' <<< "$LINE")"
-        VIRTUAL_IP="$(awk '{ print $4 }' <<< "$LINE")"
-        BYTES_RECEIVED="$(awk '{ print $6 }' <<< "$LINE")"
-        BYTES_SENT="$(awk '{ print $7 }' <<< "$LINE")"
-        LAST_SEEN="$(awk '{ print $5 }' <<< "$LINE")"
-        CLIENT_NAME="$(grep -R "$PUBLIC_KEY" /etc/wireguard/keys/ | awk -F"/etc/wireguard/keys/|_pub:" '{print $2}' | sed -e 's./..g')"
-		CLIENT_CONNECTION_FILE="$CLIENTS_CONNECTION_PATH/$CLIENT_NAME.txt"
-
-	# first time, create the client file
-	if [ ! -f "$CLIENT_CONNECTION_FILE" ]; then
-	  echo "offline" > $CLIENT_CONNECTION_FILE
-	fi	
-
-	# default, no notification if there aren't changes
-	SEND_NOTIFICATION="no"
-
-	# last client connection status saved in txt file inside clients folder
-	LAST_CONNECTION_STATUS=$(cat $CLIENT_CONNECTION_FILE)
-
-	# seconds elapsed from last seen
-	LAST_SEEN_SECONDS=$(date -d @"$LAST_SEEN" '+%s')
-	
-	# if the client is connected
-	if [ "$LAST_SEEN" -ne 0 ]; then
-		#printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
-
-		# calculate the minutes elapsed from last seen
-		LAST_SEEN_ELAPSED_MINUTES=$((10#$(($NOW - $LAST_SEEN_SECONDS)) / 60))
-		
-		# if the minutes are greather then time limit and the last status is online, the client is disconnected because
-		# there aren't activity
-		if [ $LAST_SEEN_ELAPSED_MINUTES -gt $TIME_LIMIT ] && [ "online" == $LAST_CONNECTION_STATUS ]; then
-			echo "offline" > $CLIENT_CONNECTION_FILE
-			SEND_NOTIFICATION="disconnected"
-
-		# if the minutes are less or equal to time limit, the client is connected.
-		elif [ $LAST_SEEN_ELAPSED_MINUTES -le $TIME_LIMIT ] && [ "offline" == $LAST_CONNECTION_STATUS ]; then
-		
-			echo "online" > $CLIENT_CONNECTION_FILE
-			SEND_NOTIFICATION="connected"
-		fi
-	else
-		#printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "(not yet)"
-		# if the last seen is zero, send notification only if the last status is online in the file txt
-		if [ "offline" != $LAST_CONNECTION_STATUS ]; then
-			echo "offline" > $CLIENT_CONNECTION_FILE
-			SEND_NOTIFICATION="disconnected"
-		fi
-	fi
-
-	# send the notification only if the variable is rewritten
-	if [ "no" != $SEND_NOTIFICATION ]; then
-		MESSAGE="🐉 Wireguard: \`$CLIENT_NAME $SEND_NOTIFICATION from $REMOTE_IP\`"
-		curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_ID}/sendMessage" -F chat_id=$TELEGRAM_CHAT_ID -F text="$MESSAGE" -F parse_mode="MarkdownV2" > /dev/null 2>&1
-	fi
-
-
-    done <<< "$DUMP"
+      PUBLIC_KEY="$(awk '{ print $1 }' <<<"$LINE")"
+      REMOTE_IP="$(awk '{ print $3 }' <<<"$LINE")"
+#      VIRTUAL_IP="$(awk '{ print $4 }' <<<"$LINE")"
+#      BYTES_RECEIVED="$(awk '{ print $6 }' <<<"$LINE")"
+#      BYTES_SENT="$(awk '{ print $7 }' <<<"$LINE")"
+      LAST_SEEN="$(awk '{ print $5 }' <<<"$LINE")"
+      CLIENT_NAME="$(grep -R "$PUBLIC_KEY" /etc/wireguard/keys/ | awk -F"/etc/wireguard/keys/|_pub:" '{print $2}' | sed -e 's./..g')"
+      CLIENT_CONNECTION_FILE="$CLIENTS_CONNECTION_PATH/$CLIENT_NAME.txt"
+
+      # first time, create the client file
+      if [ ! -f "$CLIENT_CONNECTION_FILE" ]; then
+        echo "offline" >$CLIENT_CONNECTION_FILE
+      fi
+
+      # default, no notification if there aren't changes
+      SEND_NOTIFICATION="no"
+
+      # last client connection status saved in txt file inside clients folder
+      LAST_CONNECTION_STATUS=$(cat $CLIENT_CONNECTION_FILE)
+
+      # seconds elapsed from last seen
+      LAST_SEEN_SECONDS=$(date -d @"$LAST_SEEN" '+%s')
+
+      # if the client is connected
+      if [ "$LAST_SEEN" -ne 0 ]; then
+        #printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "$(date -d @"$LAST_SEEN" '+%b %d %Y - %T')"
+
+        # calculate the minutes elapsed from last seen
+        LAST_SEEN_ELAPSED_MINUTES=$((10#$(($NOW - $LAST_SEEN_SECONDS)) / 60))
+
+        # if the minutes are greather then time limit and the last status is online, the client is disconnected because
+        # there aren't activity
+        if [ $LAST_SEEN_ELAPSED_MINUTES -gt $TIME_LIMIT ] && [ "online" == $LAST_CONNECTION_STATUS ]; then
+          echo "offline" >$CLIENT_CONNECTION_FILE
+          SEND_NOTIFICATION="disconnected"
+
+        # if the minutes are less or equal to time limit, the client is connected.
+        elif [ $LAST_SEEN_ELAPSED_MINUTES -le $TIME_LIMIT ] && [ "offline" == $LAST_CONNECTION_STATUS ]; then
+
+          echo "online" >$CLIENT_CONNECTION_FILE
+          SEND_NOTIFICATION="connected"
+        fi
+      else
+        #printf "%s  \t  %s  \t  %s  \t  %s  \t  %s  \t  %s\n" "$CLIENT_NAME" "$REMOTE_IP" "${VIRTUAL_IP/\/32/}" "$(hr "$BYTES_RECEIVED")" "$(hr "$BYTES_SENT")" "(not yet)"
+        # if the last seen is zero, send notification only if the last status is online in the file txt
+        if [ "offline" != $LAST_CONNECTION_STATUS ]; then
+          echo "offline" >$CLIENT_CONNECTION_FILE
+          SEND_NOTIFICATION="disconnected"
+        fi
+      fi
+
+      # send the notification only if the variable is rewritten
+      if [ "no" != $SEND_NOTIFICATION ]; then
+        MESSAGE="🐉 Wireguard: \`$CLIENT_NAME $SEND_NOTIFICATION from $REMOTE_IP\`"
+        curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_ID}/sendMessage" -F chat_id=$TELEGRAM_CHAT_ID -F text="$MESSAGE" -F parse_mode="MarkdownV2" >/dev/null 2>&1
+      fi
+
+    done \
+      <<<"$DUMP"
 
     printf "\n"
-    } |column -t -s $'\t'
+  } | column -t -s $'\t'
 }
 
 #start the script