#!/bin/bash
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

#fonts color
Red="\033[31m" 
Font="\033[0m"
Blue="\033[36m"

#root permission
root(){
        if [[ $EUID -ne 0 ]]; then
        echo "${Red}Error:请使用root运行该脚本！"${Font} 1>&2
        exit 1
        fi
}

#check system
system(){
        if [[ -f /etc/redhat-release ]]; then
        release="centos"
    elif cat /etc/issue | grep -Eqi "debian"; then
        release="debian"
    elif cat /etc/issue | grep -Eqi "ubuntu"; then
        release="ubuntu"
    elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
        release="centos"
    elif cat /proc/version | grep -Eqi "debian"; then
        release="debian"
    elif cat /proc/version | grep -Eqi "ubuntu"; then
        release="ubuntu"
    elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
        release="centos"
    fi
}

#check version
version(){
	if [[ -s /etc/redhat-release ]]; then
	 version=`cat /etc/redhat-release|sed -r 's/.* ([0-9]+)\..*/\1/'`
	else
	 version=`grep -oE  "[0-9.]+" /etc/issue | cut -d . -f 1`
	fi
    echo -e "${Blue}正在为系统进行环境检测...${Font} "
	for EXE in grep cut xargs systemctl ip awk
	do
		if ! type -p ${EXE}; then
			echo -e "${Red}系统精简厉害，脚本自动退出${Font}"
			exit 1
		fi
	done
    if [[ "${release}" = "centos" && ${version} -ge 7 ]];then
        echo -e "${Blue}当前系统为CentOS ${version}，且符合安装要求！${Font} "
    elif [[ "${release}" = "debian" && ${version} -ge 8 ]];then
        echo -e "${Blue}当前系统为Debian ${version}，且符合安装要求！${Font} "
    elif [[ "${release}" = "ubuntu" && `echo "${version}" | cut -d '.' -f1` -ge 16 ]];then
        echo -e "${Blue}当前系统为Ubuntu ${version}，且符合安装要求！${Font} "
    else
        echo -e "${Red}当前系统为不在支持的系统列表内，安装中断！${Font} "
        exit 1
    fi
}

#enter info
enter(){
    if [[ "${num}" = "2" ]]; then
    stty erase '^H' && read -p "请输入你的express-ffmpeg域名信息(如:xx.com):" domain
    [[ -z $domain ]] && echo -e "${Red}输入有误，请重新运行脚本! ${Font} "&& exit 1;
    fi
    stty erase '^H' && read -p "请输入express-ffmpeg后台路径(如后台为xx.com/www，则输入www即可，请不要输入admin):" url
    [[ -z $url ]] && echo -e "${Red}输入有误，请重新运行脚本! ${Font} "&& exit 1;
    stty erase '^H' && read -p "请输入express-ffmpeg管理员用户名:" usr
    [[ -z $usr ]] && echo -e "${Red}输入有误，请重新运行脚本! ${Font} "&& exit 1;
    stty erase '^H' && read -p "请输入express-ffmpeg管理员密码:" pass
    [[ -z $pass ]] && echo -e "${Red}输入有误，请重新运行脚本! ${Font} "&& exit 1;
}

#install repo
repo(){
    if [[ "${release}" = "centos" ]]; then
        rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
        yum install wget -y && wget -N --no-check-certificate http://yzm.pw/express-ffmpeg/mongodb.repo -P '/etc/yum.repos.d/'
    else
        apt update -y
        apt install curl -y
        if [[ "${version}" = "9" ]]; then
        curl https://www.mongodb.org/static/pgp/server-3.6.asc | apt-key add -
        echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/3.6 main" | tee /etc/apt/sources.list.d/mongodb-org-3.6.list
        else
        apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5
        echo "deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/3.6 main" | tee /etc/apt/sources.list.d/mongodb-org-3.6.list
        fi
    fi
}

#install depend(Redis、Mongodb)
depend(){
echo -e "${Blue}开始安装Redis、Mongodb等依赖${Font}"
    if [[ "${release}" = "centos" ]]; then
        yum -y groupinstall "Development Tools"
        yum -y install mongodb-org cairo cairo-devel
        wget http://download.redis.io/releases/redis-5.0.2.tar.gz
        tar zxvf redis-5.0.2.tar.gz && rm -rf redis-5.0.2.tar.gz
        cd redis-5.0.2
        make
    if [[ $? -ne 0 ]]; then
        echo -e "${Red}Redis安装失败，请重新检查！${Font}"
        exit 1
    fi
        cp src/redis-server src/redis-cli /usr/local/bin
        cd ..
        rm -rf redis-5.0.2
        sysctl -w vm.overcommit_memory=1
        echo 512 > /proc/sys/net/core/somaxconn
        echo never > /sys/kernel/mm/transparent_hugepage/enabled
        echo "net.core.somaxconn= 1024" >> /etc/sysctl.conf
        sysctl -p
    else
        apt update -y
        apt-get install -y mongodb-org redis-server build-essential git libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev make
    fi
    if [[ $? -ne 0 ]]; then
        echo -e "${Red}Mongodb等依赖安装失败，请重新检查！${Font}"
        exit 1
    else
        echo -e "${Blue}Mongodb等依赖安装成功！${Font}"
    fi
    systemctl start mongod
}

#install node
node(){
   if [[ "${release}" = "centos" ]]; then
   curl -sL https://rpm.nodesource.com/setup_8.x | bash -
   yum install nodejs -y
   else
   curl -sL https://deb.nodesource.com/setup_8.x | bash -
   apt-get install -y nodejs
   fi
   npm install -g pm2 express yarn
}


#install ffmpeg
ffmpeg(){
bit=`uname -m`
if [[ ${bit} = "x86_64" ]]; then
	KernelBit="64"
else
	KernelBit="32"
fi
wget http://yzm.pw/ffmpeg/ffmpeg-git-${KernelBit}bit-static.tar.xz
tar xvf ffmpeg-git-*-static.tar.xz && rm -rf ffmpeg-git-*-static.tar.xz
mv ffmpeg-git-*/ffmpeg  ffmpeg-git-*/ffprobe /usr/local/bin/
rm -rf ffmpeg-git-*-static
}

#install caddy
caddy(){
echo -e "${Blue}正在安装Caddy！${Font}"
curl https://getcaddy.com | bash -s personal
EXEC="$(command -v caddy)"
if [[ -n ${EXEC} ]]; then
echo -e "${Blue}Caddy安装成功！${Font}"
else
echo -e "${Red}Caddy安装失败！${Font}"
exit 1
fi
mkdir /root/.caddy
wget -N --no-check-certificate http://yzm.pw/express-ffmpeg/caddy.conf -P '/root/.caddy/'
sed -i "s/moerats.com/${domain}/g" /root/.caddy/caddy.conf
}

#check domain
domain(){
    EXEC="$(command -v bc)"
    if [[ -z ${EXEC} ]]; then
    if [[ "${release}" = "centos" ]]; then
        yum -y install bc
    else
        apt install bc -y
    fi
    fi
    domain_ip=`ping ${domain} -c 1 | sed '1{s/[^(]*(//;s/).*//;q}'`
    local_ip=`curl http://whatismyip.akamai.com`
    echo -e "域名dns解析IP：${domain_ip}"
    echo -e "本机IP: ${local_ip}"
    sleep 2
    if [[ $(echo ${local_ip}|tr '.' '+'|bc) -eq $(echo ${domain_ip}|tr '.' '+'|bc) ]];then
        echo -e "${Blue}域名dns解析IP与本机IP匹配${Font}"
        sleep 2
    else
        echo -e "${Red}域名dns解析还未生效，请稍后再试！${Font}"
        exit 1
    fi
}

#open firewall
firewall(){
    if [[ "${release}" = "centos" ]]; then
        firewall-cmd --zone=public --add-port=3000/tcp --permanent
        firewall-cmd --zone=public --add-port=80/tcp --permanent
        firewall-cmd --zone=public --add-port=443/tcp --permanent
        firewall-cmd --reload
    fi
}

#set start up
startup(){
        echo -e "${Blue}正在为相关应用设置开机自启！${Font}"
        if [[ "${num}" = "2" ]]; then
        wget -N --no-check-certificate http://yzm.pw/express-ffmpeg/caddy.service -P '/etc/systemd/system/'
        systemctl start caddy
        systemctl enable caddy
        fi
        if [[ "${release}" = "centos" ]]; then
        wget -N --no-check-certificate http://yzm.pw/express-ffmpeg/redis-server.service -P '/etc/systemd/system/'
        fi
        systemctl start redis-server
        systemctl enable redis-server
}

#install express
express(){
mkdir /www && cd /www
git clone https://gitee.com/quazero/express-ffmpeg.git
if [[ ! -d '/www/express-ffmpeg' ]]; then
echo -e "${Red}由于某些国外机器网络波动，拉取码云上的express-ffmpeg失败，即将切换到Github上下载！${Font}"
cd /www
git clone https://github.com/bookyo/express-ffmpeg-new.git
if [[ -d '/www/express-ffmpeg-new' ]]; then
echo -e "${Blue}express-ffmpeg下载完成，即将安装...${Font}"
mv express-ffmpeg-new express-ffmpeg
else
echo -e "${Red}看来Github也救不了你的网络了，下载依然失败，安装退出，请稍后重新运行脚本！${Font}"
exit 1
fi
fi
cd express-ffmpeg && mkdir config
cp *.ttf /usr/share/fonts/
cat > config/auth.js <<EOF
module.exports = {
    user: "$usr",
    password: "$pass",
    db: "ffmpeg",
    dbuser: "ffmpeg",
    dbpassword: "ffmpeg",
    secret: "yoursecret",
    login: "/$url",
    loginmsg: "404 Not Found"
};
EOF
cat > mongodb.js <<EOF
use ffmpeg
db.createUser({user:"ffmpeg",pwd:"ffmpeg",roles:[{role:"readWrite",db:"ffmpeg"}]})
db.settings.insert({ "hds" : [ 240, 360, 480, 720, 1080 ], "antiurl" : [ "" ], "createAt" : new Date(), "host" : "http://localhost:3000", "hd" : "720", "keepmp4" : 480, "paomadeng" : "云转码express-ffmpeg，优秀免费的云转码源码。gitee.com/quazero/express-ffmpeg", "paojiange" : 100, "paotime" : 40, "antiredirect" : "https://ffmpeg.moejj.com", "antikey" : "moviesyugao", "miaoqie" : "on", "screenshots" : 6, "wmpath" : "./public/mark/mark.png","gifduration" : 3, "gifstart" : 10, "gifwidth" : 400, "gifkaiguan" : "on", "apikey" : "5c20cEga22FgG717B1c1", "uploadkey" : "7e8EgFAeD9Cga32g40EB", "api" : "on"})
db.fenfas.insert({ "domains" : [ "" ], "createAt" : new Date(), "kaiguan" : ""})
db.portals.insert({ "host" : "http://localhost:3000", "screenshots" : 1, "title" : "最新云转码", "seotitle" : "最新云转码", "keywords" : "最新云转码", "kaiguan" : "on", "usersystem" : "on", "description" : "最新云转码", "moviestitle" : "视频", "imagestitle" : "图集", "articlestitle" : "文章", "theme" : "default", "tongji" : "", "createAt" : new Date() , "userupload" : "on", "jiangli" : 10})
db.portals.insert({ "host" : "http://localhost:3000", "screenshots" : 3, "title" : "最新云转码", "seotitle" : "最新云转码", "keywords" : "最新云转码", "kaiguan" : "on", "usersystem" : "on", "description" : "最新云转码", "moviestitle" : "视频", "imagestitle" : "图集", "articlestitle" : "文章", "theme" : "default", "tongji" : "", "createAt" : new Date() })
db.fenfas.insert("domains" : [ "" ], "createAt" : new Date(), "kaiguan" : "")
db.auth("ffmpeg","ffmpeg")
EOF
SHARP_DIST_BASE_URL="http://yzm.pw/sharp-libvips/" npm install sharp
yarn install
mongo < mongodb.js && rm -rf mongodb.js
grep -q 'authorization' /etc/mongod.conf
if [ $? -ne 0 ]; then
echo 'security:
  authorization: enabled' >> /etc/mongod.conf
fi
systemctl restart mongod
systemctl enable mongod
pm2 start bin/www -i 0
pm2 save
pm2 startup
}

#Complete info
info(){
    if [[ -z "${domain}" ]]; then
        ip=`curl http://whatismyip.akamai.com`
        echo -e "———————————————————————————————————————"
        echo -e "${Blue}express-ffmpeg安装完成！${Font}"
        echo -e "${Blue}前台地址：http://${ip}:3000${Font}"
        echo -e "${Blue}后台地址：http://${ip}:3000/${url}${Font}"
        echo -e "${Blue}管理员用户名：${usr}${Font}"
        echo -e "${Blue}管理员密码：${pass}${Font}"
        echo -e "${Blue}如果完成后，访问不了前台，可随时咨询！${Font}"
        echo -e "———————————————————————————————————————"
    else
        echo -e "———————————————————————————————————————"
        echo -e "${Blue}express-ffmpeg安装完成！${Font}"
        echo -e "${Blue}前台地址：https://${domain}${Font}"
        echo -e "${Blue}后台地址：https://${domain}/${url}${Font}"
        echo -e "${Blue}管理员用户名：${usr}${Font}"
        echo -e "${Blue}管理员密码：${pass}${Font}"
        echo -e "${Blue}如果完成后，访问不了前台，可随时咨询！${Font}"
        echo -e "———————————————————————————————————————"
    fi
}

#start menu
main(){
root
system
version
clear
echo -e "—————————————————————————————————————————————————————"
echo -e "${Blue}express-ffmpeg+CMS 一键脚本 for Debian 8+、CentOS 7、Ubuntu 16+${Font}"
echo -e "${Blue}1、使用IP访问${Font}"
echo -e "${Blue}2、使用域名访问(请提前解析好域名并生效，如果装了宝塔的不适合该选项)${Font}"
echo -e "—————————————————————————————————————————————————————"
read -p "请输入数字 [1-2]:" num
case "$num" in
    1)
    use_ip
    ;;
    2)
    use_domain
    ;;
    *)
    clear
    echo -e "${Blue}请输入正确数字 [1-2]${Font}"
    sleep 2s
    main
    ;;
    esac
}

use_ip(){
enter
repo
firewall
depend
node
ffmpeg
express
startup
info
}

use_domain(){
enter
domain
repo
firewall
depend
node
ffmpeg
express
caddy
startup
info
}
main