# this script is used to setup a shadowsocks server.
export SS_PORT=3333
export SS_PASSWORD="password_for_shadowsocks"

export SSH_PORT=2222
export SSH_KEY="ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA4iHWDYmimoY1uDDvuCO/fW6S7auLEERTiGMVbXiYcUbYRENpdGUxTuVcUY1eRUQKFu44W5VVf2VtLezBBw7IS+SSrKY6GNT8dtRRdRACjg6vmk7sTPS06FtobJwunHx8FZ9uOI0LpkPFckeSY0LS03hoEhXh5RWJs5W0fj7Y5HX8DdJGQGDc/g6QZ7XUW7rokfpV4MyS6+0qeLuXr1f/cOnEZmqZI6WSH2kn5T+TF31NQiBBY2WoyO+szO43R8kYaTp3zvK3pFaB4KIMswHHKAGoa/WmHRuTPFfwD/emGd//XRADXnr5qbTyGxs5kH8iZTOMpRsWXFpxx1wZCSLiRQ=="

if [ -n "$SSH_KEY" ]
then
	if [ -v SUDO_USER ]
	then
		USERNAME=$SUDO_USER
	else
		USERNAME=$USER
	fi
	mkdir -p $HOME/.ssh
	echo  $SSH_KEY >> $HOME/.ssh/authorized_keys
	chmod 700 $HOME/.ssh
	chmod 600 $HOME/.ssh/authorized_keys
	chown -R $USERNAME:$USERNAME $HOME/.ssh
fi

if [ -n "$SSH_PORT" ]
then
	sed -i.bak -e '/^Port/d' /etc/ssh/sshd_config
	echo "" >> /etc/ssh/sshd_config
	echo "Port $SSH_PORT" >> /etc/ssh/sshd_config
	service ssh restart
	netstat -nltp
fi

apt-get update
apt-get install -y python-pip supervisor python-setuptools
pip install --upgrade pip
pip install shadowsocks

## config shadowsocks

cat > /etc/shadowsocks.json <<- EOM
{
    "server":"0.0.0.0",
    "server_port": $SS_PORT,
    "local_port":1080,
    "password":"$SS_PASSWORD",
    "timeout":3600,
    "method":"aes-256-cfb"
}
EOM

cat /etc/shadowsocks.json

cat >  /root/start_shadowsocks.sh <<- EOM
ulimit -n 51200
/usr/local/bin/ssserver -c /etc/shadowsocks.json
EOM
cat /root/start_shadowsocks.sh


cat >  /etc/supervisor/conf.d/shadowsocks.conf <<- EOM
[program:shadowsocks]
command=/bin/bash /root/start_shadowsocks.sh
autostart=true
autorestart=true
user=root
stderr_logfile=/var/log/shadowsocks.log
stdout_logfile=/var/log/shadowsocks.log
EOM
cat /etc/supervisor/conf.d/shadowsocks.conf

## config service
service supervisor restart
killall ssserver
sleep 2
tail /var/log/shadowsocks.log