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mirror of https://github.com/donaldzou/WGDashboard.git synced 2024-11-21 23:01:39 +01:00
WGDashboard/entrypoint.sh
2024-11-08 00:29:01 +08:00

222 lines
7.1 KiB
Bash

#!/bin/bash
echo "------------------------- START ----------------------------"
echo "Starting the WireGuard Dashboard Docker container."
ensure_installation() {
# When using a custom directory to store the files, this part moves over and makes sure the installation continues.
echo "Quick-installing..."
[ ! -d "/data/db" ] && echo "Creating database dir" && mkdir /data/db
ln -s /data/db "${WGDASH}/src/db"
[ ! -f "/data/wg-dashboard.ini" ] && echo "Creating wg-dashboard.ini file" && touch /data/wg-dashboard.ini
ln -s /data/wg-dashboard.ini "${WGDASH}/src/wg-dashboard.ini"
python3 -m venv "${WGDASH}"/src/venv
. "${WGDASH}/src/venv/bin/activate"
[ ! -d "${WGDASH}/src/venv/lib/python3.12/site-packages/psutil" ] && echo "Moving PIP dependency: psutil" && mv /usr/lib/python3.12/site-packages/psutil* "${WGDASH}"/src/venv/lib/python3.12/site-packages
[ ! -d "${WGDASH}/src/venv/lib/python3.12/site-packages/bcrypt" ] && echo "Moving PIP dependency: bcrypt" && mv /usr/lib/python3.12/site-packages/bcrypt* "${WGDASH}"/src/venv/lib/python3.12/site-packages
chmod +x "${WGDASH}"/src/wgd.sh
cd "${WGDASH}"/src || exit
./wgd.sh install
echo "Looks like the installation succeeded."
# This first step is to ensure the wg0.conf file exists, and if not, then its copied over from the ephemeral container storage.
# This is done so WGDashboard it works out of the box
if [ ! -f "/etc/wireguard/wg0.conf" ]; then
echo "Standard wg0 Configuration file not found, grabbing template."
cp -a "/configs/wg0.conf.template" "/etc/wireguard/wg0.conf"
echo "Setting a secure private key." # SORRY 4 BE4 - Daan
local privateKey
privateKey=$(wg genkey)
sed -i "s|^PrivateKey *=.*$|PrivateKey = ${privateKey}|g" /etc/wireguard/wg0.conf
echo "Done setting template."
else
echo "Existing wg0 configuration file found, using that."
fi
}
set_envvars() {
printf "\n------------- SETTING ENVIRONMENT VARIABLES ----------------\n"
# Path to the configuration file (exists because of previous function).
local config_file="/opt/wireguarddashboard/src/wg-dashboard.ini"
# Check if the file is empty
if [ ! -s "$config_file" ]; then
echo "Config file is empty. Creating [Peers] section."
# Create [Peers] section with initial values
{
echo "[Peers]"
echo "remote_endpoint = ${public_ip}"
echo "peer_global_dns = ${global_dns}"
} > "$config_file"
else
echo "Config file is not empty, enforcing environment variables."
# Check and update the DNS if it has changed
current_dns=$(grep "peer_global_dns = " "$config_file" | awk '{print $NF}')
if [ "${global_dns}" != "$current_dns" ]; then
echo "Changing default DNS."
sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" "$config_file"
else
echo "DNS is set correctly."
fi
# Determine the public IP and update if necessary
echo "{$public_ip}"
if [ "${public_ip}" = "0.0.0.0" ]; then
default_ip=$(curl -s ifconfig.me)
echo "Trying to fetch the Public-IP using ifconfig.me: ${default_ip}"
sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" "$config_file"
else
current_ip=$(grep "remote_endpoint = " "$config_file" | awk '{print $NF}')
if [ "${public_ip}" != "$current_ip" ]; then
echo "Setting the Public-IP using given variable: ${public_ip}"
sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" "$config_file"
fi
fi
fi
}
# === CORE SERVICES ===
start_core() {
printf "\n---------------------- STARTING CORE -----------------------\n"
echo "Activating Python venv and executing the WireGuard Dashboard service."
. "${WGDASH}"/src/venv/bin/activate
cd "${WGDASH}"/src || return
bash wgd.sh start
# Isolated peers feature, first converting the existing configuration files and the given names to arrays.
#
# WILL BE REMOVED IN FUTURE WHEN WGDASHBOARD ITSELF SUPPORTS THIS!!
#
local configurations=(/etc/wireguard/*)
IFS=',' read -r -a do_isolate <<< "${isolate}"
non_isolate=()
# Checking if there are matches between the two arrays.
for config in "${configurations[@]}"; do
config=$(echo "$config" | sed -e 's|.*/etc/wireguard/||' -e 's|\.conf$||')
local found
found=false
for interface in "${do_isolate[@]}"; do
if [[ "$config" == "$interface" ]]; then
found=true
break
fi
done
if [ "$found" = false ]; then
non_isolate+=("$config")
fi
done
# Isolating the matches.
for interface in "${do_isolate[@]}"; do
if [ "$interface" = "none" ] || [ "$interface" = "" ]; then
echo "Found: $interface, stopping isolation checking."
break
else
if [ ! -f "/etc/wireguard/${interface}.conf" ]; then
echo "Ignoring ${interface}"
elif [ -f "/etc/wireguard/${interface}.conf" ]; then
echo "Isolating interface:" "$interface"
upblocking=$(grep -c "PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf)
downblocking=$(grep -c "PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf)
if [ "$upblocking" -lt 1 ] && [ "$downblocking" -lt 1 ]; then
sed -i "/PostUp =/a PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf
sed -i "/PreDown =/a PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP" /etc/wireguard/"${interface}".conf
fi
else
echo "Configuration for $interface in enforce isolation does not seem to exist, continuing."
fi
fi
done
# Removing isolation for the configurations that did not match.
for interface in "${non_isolate[@]}"; do
if [ ! -f "/etc/wireguard/${interface}.conf" ]; then
echo "Ignoring ${interface}"
elif [ -f "/etc/wireguard/${interface}.conf" ]; then
echo "Removing isolation, if isolation is present for:" "$interface"
sed -i "/PostUp = iptables -I FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/"${interface}".conf
sed -i "/PreDown = iptables -D FORWARD -i ${interface} -o ${interface} -j DROP/d" /etc/wireguard/"${interface}".conf
else
echo "Configuration for $interface in removing isolation does not seem to exist, continuing."
fi
done
}
ensure_blocking() {
sleep 1s
echo -e "\nEnsuring container continuation."
# Find and tail the latest error and access logs if they exist
local logdir="/opt/wireguarddashboard/src/log"
latestErrLog=$(find "$logdir" -name "error_*.log" -type f -print | sort -r | head -n 1)
latestAccLog=$(find "$logdir" -name "access_*.log" -type f -print | sort -r | head -n 1)
# Only tail the logs if they are found
if [ -n "$latestErrLog" ] || [ -n "$latestAccLog" ]; then
tail -f "$latestErrLog" "$latestAccLog"
else
echo "No log files found to tail."
fi
# Blocking command to keep the container running as a last resort.
sleep infinity
}
# Execute functions for the WireGuard Dashboard services, then set the environment variables
ensure_installation
set_envvars
start_core
ensure_blocking