install-caddy.sh

#!/bin/bash

systemctl disable caddy.service
systemctl stop caddy.service
rm -rf /usr/local/bin/caddy /etc/caddy /etc/ssl/caddy /var/www /etc/systemd/system/caddy.service

echo -en "\e[1;36mPlease input you domain name: \e[0m" && read domain
echo -en "\e[1;36mPlease input you email(for tls): \e[0m" && read email

mkdir /tmp/caddy && cd /tmp/caddy
wget "https://caddyserver.com/download/linux/amd64?license=personal&plugins=http.git,http.hugo" -O caddy.tar.gz
tar zxf caddy.tar.gz

cp caddy /usr/local/bin
chown root:root /usr/local/bin/caddy
chmod 755 /usr/local/bin/caddy

setcap 'cap_net_bind_service=+ep' /usr/local/bin/caddy

egrep "^www-data" /etc/group >& /dev/null  
if [ $? -ne 0 ]; then
  groupadd -g 33 www-data
fi
egrep "^www-data" /etc/passwd >& /dev/null
if [ $? -ne 0 ]; then
  useradd \
    -g www-data --no-user-group \
    --home-dir /var/www --no-create-home \
    --shell /usr/sbin/nologin \
    --system --uid 33 www-data
fi

mkdir /etc/caddy
chown -R root:www-data /etc/caddy
mkdir /etc/ssl/caddy
chown -R www-data:root /etc/ssl/caddy
chmod 0770 /etc/ssl/caddy

cat > /etc/caddy/Caddyfile <<EOF 
${domain} {
  tls ${email}
  root /var/www/${domain}
  proxy /ray localhost:40226 {
    websocket
    transparent
  }
}
EOF
chown www-data:www-data /etc/caddy/Caddyfile
chmod 444 /etc/caddy/Caddyfile
echo -e "\e[1mThe config of caddy is in \e[36m/etc/caddy/Caddyfile \e[0m"

mkdir -p /var/www/$domain
chown -R www-data:www-data /var/www
chmod -R 555 /var/www
echo "Hello world! I am $domain." > /var/www/$domain/index.html
echo -e "\e[1mThe website root of $domain is in \e[36m/var/www/$domain \e[0m"

cp init/linux-systemd/caddy.service /etc/systemd/system/
chown root:root /etc/systemd/system/caddy.service
chmod 644 /etc/systemd/system/caddy.service
systemctl daemon-reload
systemctl enable caddy.service
systemctl start caddy.service

cd ~ && rm -rf /tmp/caddy
echo -e "\e[1;32mInstall caddy successful! \e[0m"

echo -en "\e[1mDo you want to install v2ray(vmess + WebSocket + TLS)? \nPress c to continue OR any key to exit...\e[0m\n"
read -s -n1 key
case $key in
    c|C) echo -e "\e[1mcontinue...\e[0m";;
    *) echo -e "\e[1mExit.\e[0m" && exit;;
esac

# ==== start install v2ray ====
echo -e "\e[1;36mStart install v2ray... \e[0m"
apt install -y curl
bash <(curl -L -s https://install.direct/go.sh)
mv /etc/v2ray/config.json /etc/v2ray/config.json.example
UUID=$(cat /proc/sys/kernel/random/uuid)
cat > /etc/v2ray/config.json <<-EOF
{
  "log" : {
    "loglevel": "warning"
  },
  "inbound": {
    "port": 40226,
    "listen":"127.0.0.1",
    "protocol": "vmess",
    "settings": {
      "clients": [
        {
          "id": "${UUID}",
          "alterId": 76
        }
      ]
    },
    "streamSettings":{
      "network":"ws",
      "wsSettings": {
        "path": "/ray"
      }
    }
  },
  "outbound": {
    "protocol": "freedom",
    "settings": {}
  }
}
EOF

echo -e "\e[1;32mInstall v2ray(vmess + WebSocket + TLS) successful! \e[0m"
echo -e "\e[1mThe config file of v2ray is in \e[1;36m/etc/v2ray/config.json\e[0m"
echo -e "\e[1mThe UUID is \e[36m${UUID}\e[37m and the alterID is \e[36m76\e[0m"

# ==== start install v2ray ====
echo -en "\e[1mDo you want to install ntpdate? (y/n)\e[0m\n"
read -s -n1 key
case $key in
    y|Y) echo -e "\e[1mInstall ntpdate now.\e[0m" && apt install -y ntpdate;;
    n|N) echo -e "\e[1mNot install ntpdate.\e[0m";;
    *) echo -e "Bad input! If you want to install it, please use \e[1;36mapt install -y ntpdate\e[0m. Bye~";;
esac