fix: Use grep and awk instead of jq, and some cleanup

qbt-set-forwarded-port.sh

@@ -1,26 +1,25 @@
 #!/bin/sh
 
 # Adapted from https://github.com/claabs/qbittorrent-port-forward-file/blob/master/main.sh
-# Until VPN_PORT_FORWARDING_UP_COMMAND is available, this could be run via a cronjob
-# Might need to change the container name in the docker exec line
 
-set -e
+# set -e
 
-qbt_username="${QBT_USERNAME:-admin}"
-qbt_password="${QBT_PASSWORD:-adminadmin}"
+qbt_username="${QBT_USERNAME:-sintan}"
+qbt_password="${QBT_PASSWORD:-17291998}"
 qbt_addr="${QBT_ADDR:-http://localhost:8085}" # ex. http://10.0.1.48:8080
-gluetun_container="${GLUETUN_COMTAINER:-qbt-gluetun}"
 
-port_number=$(docker exec "$gluetun_container" cat /tmp/gluetun/forwarded_port)
+port_number="$1"
+[ -z "$port_number" ] && port_number=$(cat /tmp/gluetun/forwarded_port)
 
 if [ -z "$port_number" ]; then
     echo "Could not figure out which port to set."
     exit 1
 fi
 
-curl --fail --silent --show-error --cookie-jar /tmp/cookies.txt --cookie /tmp/cookies.txt --header "Referer: $qbt_addr" --data "username=$qbt_username" --data "password=$qbt_password" $qbt_addr/api/v2/auth/login 1> /dev/null
+wget --save-cookies=/tmp/cookies.txt --keep-session-cookies --header="Referer: $qbt_addr" --header="Content-Type: application/x-www-form-urlencoded" \
+  --post-data="username=$qbt_username&password=$qbt_password" --output-document /dev/null --quiet "$qbt_addr/api/v2/auth/login"
 
-listen_port=$(curl --fail --silent --show-error --cookie-jar /tmp/cookies.txt --cookie /tmp/cookies.txt $qbt_addr/api/v2/app/preferences | jq '.listen_port')
+listen_port=$(wget --load-cookies=/tmp/cookies.txt --output-document - --quiet "$qbt_addr/api/v2/app/preferences" | grep -Eo '"listen_port":([0-9]+)' | awk -F: '{print $2}')
 
 if [ ! "$listen_port" ]; then
     echo "Could not get current listen port, exiting..."
@@ -28,13 +27,14 @@ if [ ! "$listen_port" ]; then
 fi
 
 if [ "$port_number" = "$listen_port" ]; then
-    echo "Port already set, exiting..."
+    echo "Port already set to $port_number, exiting..."
     exit 0
 fi
 
 echo "Updating port to $port_number"
 
-curl --fail --silent --show-error --cookie-jar /tmp/cookies.txt --cookie /tmp/cookies.txt --data-urlencode "json={\"listen_port\": $port_number}"  $qbt_addr/api/v2/app/setPreferences
+wget --load-cookies=/tmp/cookies.txt --header="Content-Type: application/x-www-form-urlencoded" --post-data='json={"listen_port": "'$port_number'"}' \
+  --output-document /dev/null --quiet "$qbt_addr/api/v2/app/setPreferences"
 
 echo "Successfully updated port"