85 lines
2.5 KiB
Bash
Executable File
85 lines
2.5 KiB
Bash
Executable File
#! /bin/bash
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# Source our persisted env variables from container startup
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. /etc/transmission/environment-variables.sh
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# Settings
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TRANSMISSION_PASSWD_FILE=/config/transmission-credentials.txt
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transmission_username=$(head -1 $TRANSMISSION_PASSWD_FILE)
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transmission_passwd=$(tail -1 $TRANSMISSION_PASSWD_FILE)
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transmission_settings_file=${TRANSMISSION_HOME}/settings.json
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#
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# Fetch forwarded port from PrivateVPN API
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#
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# Get the port
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tun_ip=$(ip address show dev tun0 | grep 'inet\b' | awk '{print $2}' | cut -d/ -f1)
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pvpn_get_port_url="https://xu515.pvdatanet.com/v3/mac/port?ip%5B%5D=$tun_ip"
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pvpn_response=$(curl -s -f "$pvpn_get_port_url")
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pvpn_curl_exit_code=$?
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if [[ -z "$pvpn_response" ]]; then
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echo "PrivateVPN port forward API returned a bad response"
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fi
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# Check for curl error (curl will fail on HTTP errors with -f flag)
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if [[ ${pvpn_curl_exit_code} -ne 0 ]]; then
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echo "curl encountered an error looking up forwarded port: $pvpn_curl_exit_code"
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exit
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fi
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# Check for errors in curl response
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error=$(echo "$pvpn_response" | grep -o "\"Not supported\"")
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if [[ ! -z "$error" ]]; then
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echo "PrivateVPN API returned an error: $error - not all PrivateVPN servers support port forwarding. Try 'SE Stockholm'."
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exit
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fi
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# Get new port, check if empty
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new_port=$(echo "$pvpn_response" | grep -oe 'Port [0-9]*' | awk '{print $2}' | cut -d/ -f1)
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if [[ -z "$new_port" ]]; then
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echo "Could not find new port from PrivateVPN API"
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exit
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fi
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echo "Got new port $new_port from PrivateVPN API"
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#
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# Now, set port in Transmission
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#
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# Check if transmission remote is set up with authentication
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auth_enabled=$(grep 'rpc-authentication-required\"' $transmission_settings_file | grep -oE 'true|false')
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if [ "true" = "$auth_enabled" ]
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then
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echo "transmission auth required"
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myauth="--auth $transmission_username:$transmission_passwd"
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else
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echo "transmission auth not required"
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myauth=""
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fi
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# get current listening port
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sleep 3
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transmission_peer_port=$(transmission-remote $myauth -si | grep Listenport | grep -oE '[0-9]+')
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if [ "$new_port" != "$transmission_peer_port" ]; then
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if [ "true" = "$ENABLE_UFW" ]; then
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echo "Update UFW rules before changing port in Transmission"
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echo "denying access to $transmission_peer_port"
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ufw deny ${transmission_peer_port}
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echo "allowing $new_port through the firewall"
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ufw allow ${new_port}
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fi
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transmission-remote ${myauth} -p "$new_port"
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echo "Checking port..."
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sleep 10
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transmission-remote ${myauth} -pt
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else
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echo "No action needed, port hasn't changed"
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fi
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