#!/bin/bash

red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
plain='\033[0m'

#Add some basic function here
function LOGD() {
    echo -e "${yellow}[DEG] $* ${plain}"
}

function LOGE() {
    echo -e "${red}[ERR] $* ${plain}"
}

function LOGI() {
    echo -e "${green}[INF] $* ${plain}"
}

# check root
[[ $EUID -ne 0 ]] && LOGE "错误：您必须是 root 用户才能运行此脚本！ \n" && exit 1

# Check OS and set release variable
if [[ -f /etc/os-release ]]; then
    source /etc/os-release
    release=$ID
elif [[ -f /usr/lib/os-release ]]; then
    source /usr/lib/os-release
    release=$ID
else
    echo "检查系统操作系统失败，请联系作者！" >&2
    exit 1
fi

echo "操作系统版本是: $release"

os_version=""
os_version=$(grep -i version_id /etc/os-release | cut -d \" -f2 | cut -d . -f1)

if [[ "${release}" == "centos" ]]; then
    if [[ ${os_version} -lt 8 ]]; then
        echo -e "${red} 请使用 CentOS 8 或更高版本 ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "ubuntu" ]]; then
    if [[ ${os_version} -lt 20 ]]; then
        echo -e "${red}请使用 Ubuntu 20 或更高版本！ ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "fedora" ]]; then
    if [[ ${os_version} -lt 36 ]]; then
        echo -e "${red}请使用 Fedora 36 或更高版本！ ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "debian" ]]; then
    if [[ ${os_version} -lt 11 ]]; then
        echo -e "${red} 请使用 Debian 11 或更高版本 ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "almalinux" ]]; then
    if [[ ${os_version} -lt 9 ]]; then
        echo -e "${red} 请使用 Almalinux 9 或更高版本 ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "rocky" ]]; then
    if [[ ${os_version} -lt 9 ]]; then
        echo -e "${red} 请使用 Rockylinux 9 或更高版本 ${plain}\n" && exit 1
    fi
elif [[ "${release}" == "arch" ]]; then
    echo "你的操作系统是 ArchLinux"
elif [[ "${release}" == "manjaro" ]]; then
    echo "您的操作系统是 Manjaro"
elif [[ "${release}" == "armbian" ]]; then
    echo "您的操作系统是 Armbian"
fi

# Declare Variables
log_folder="${XUI_LOG_FOLDER:=/var/log}"
iplimit_log_path="${log_folder}/3xipl.log"
iplimit_banned_log_path="${log_folder}/3xipl-banned.log"

confirm() {
    if [[ $# > 1 ]]; then
        echo && read -p "$1 [Default $2]: " temp
        if [[ "${temp}" == "" ]]; then
            temp=$2
        fi
    else
        read -p "$1 [y/n]: " temp
    fi
    if [[ "${temp}" == "y" || "${temp}" == "Y" ]]; then
        return 0
    else
        return 1
    fi
}

confirm_restart() {
    confirm "重新启动面板，注意：重新启动面板也会重新启动 xray" "y"
    if [[ $? == 0 ]]; then
        restart
    else
        show_menu
    fi
}

before_show_menu() {
    echo && echo -n -e "${yellow}按回车键返回主菜单： ${plain}" && read temp
    show_menu
}

install() {
    bash <(curl -Ls https://raw.githubusercontent.com/MHSanaei/3x-ui/main/install.sh)
    if [[ $? == 0 ]]; then
        if [[ $# == 0 ]]; then
            start
        else
            start 0
        fi
    fi
}

update() {
    confirm "此功能将强制重新安装最新版本，并且不会丢失数据。是否要继续？" "y"
    if [[ $? != 0 ]]; then
        LOGE "Cancelled"
        if [[ $# == 0 ]]; then
            before_show_menu
        fi
        return 0
    fi
    bash <(curl -Ls https://raw.githubusercontent.com/jiulingyun/3x-ui/tree/dev/install.sh)
    if [[ $? == 0 ]]; then
        LOGI "更新完成，面板已自动重启"
        exit 0
    fi
}

custom_version() {
    echo "输入面板版本（如 2.0.0）:"
    read panel_version

    if [ -z "$panel_version" ]; then
        echo "面板版本不能为空。退出。"
        exit 1
    fi

    download_link="https://raw.githubusercontent.com/jiulingyun/3x-ui/tree/dev/install.sh"

    # Use the entered panel version in the download link
    install_command="bash <(curl -Ls $download_link) v$panel_version"

    echo "下载和安装面板版本 $panel_version..."
    eval $install_command
}

# Function to handle the deletion of the script file
delete_script() {
    rm "$0"  # Remove the script file itself
    exit 1
}

uninstall() {
    confirm "您确定要卸载面板吗？Xray也将卸载！" "n"
    if [[ $? != 0 ]]; then
        if [[ $# == 0 ]]; then
            show_menu
        fi
        return 0
    fi
    systemctl stop x-ui
    systemctl disable x-ui
    rm /etc/systemd/system/x-ui.service -f
    systemctl daemon-reload
    systemctl reset-failed
    rm /etc/x-ui/ -rf
    rm /usr/local/x-ui/ -rf

    echo ""
    echo -e "已成功卸载。\n"
    echo "如果需要再次安装此面板，可以使用以下命令:"
    echo -e "${green}bash <(curl -Ls https://raw.githubusercontent.com/jiulingyun/3x-ui/tree/dev/install.sh)${plain}"
    echo ""
    # Trap the SIGTERM signal
    trap delete_script SIGTERM
    delete_script
}

reset_user() {
    confirm "您确定要重置面板的用户名和密码吗？" "n"
    if [[ $? != 0 ]]; then
        if [[ $# == 0 ]]; then
            show_menu
        fi
        return 0
    fi
    read -rp "请设置登录用户名[默认为随机用户名]: " config_account
    [[ -z $config_account ]] && config_account=$(date +%s%N | md5sum | cut -c 1-8)
    read -rp "请设置登录密码[默认为随机密码]: " config_password
    [[ -z $config_password ]] && config_password=$(date +%s%N | md5sum | cut -c 1-8)
    /usr/local/x-ui/x-ui setting -username ${config_account} -password ${config_password} >/dev/null 2>&1
    /usr/local/x-ui/x-ui setting -remove_secret >/dev/null 2>&1
    echo -e "面板登录用户名已重置为: ${green} ${config_account} ${plain}"
    echo -e "面板登录密码已重置为: ${green} ${config_password} ${plain}"
    echo -e "${yellow} 面板登录密钥令牌已禁用 ${plain}"
    echo -e "${green} 请使用新的登录用户名和密码访问 X-UI 面板。 ${plain}"
    confirm_restart
}

reset_config() {
    confirm "您确定要重置所有面板设置吗，帐户数据不会丢失，用户名和密码不会更改" "n"
    if [[ $? != 0 ]]; then
        if [[ $# == 0 ]]; then
            show_menu
        fi
        return 0
    fi
    /usr/local/x-ui/x-ui setting -reset
    echo -e "所有面板设置均已重置为默认值，请立即重启面板，并使用默认的 ${green}2053${plain} 端口访问 web 面板"
    confirm_restart
}

check_config() {
    info=$(/usr/local/x-ui/x-ui setting -show true)
    if [[ $? != 0 ]]; then
        LOGE "获取当前设置错误，请检查日志"
        show_menu
    fi
    LOGI "${info}"
}

set_port() {
    echo && echo -n -e "输入端口号[1-65535]: " && read port
    if [[ -z "${port}" ]]; then
        LOGD "Cancelled"
        before_show_menu
    else
        /usr/local/x-ui/x-ui setting -port ${port}
        echo -e "端口已设置，请立即重启面板，并使用新端口 ${green}${port}${plain} to access web panel"
        confirm_restart
    fi
}

start() {
    check_status
    if [[ $? == 0 ]]; then
        echo ""
        LOGI "面板正在运行，无需重启，如需重启请选择重启"
    else
        systemctl start x-ui
        sleep 2
        check_status
        if [[ $? == 0 ]]; then
            LOGI "x-ui 启动成功"
        else
            LOGE "面板启动失败，可能是因为启动时间超过两秒，请稍后查看日志信息"
        fi
    fi

    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

stop() {
    check_status
    if [[ $? == 1 ]]; then
        echo ""
        LOGI "面板停止了，无需再次停止！"
    else
        systemctl stop x-ui
        sleep 2
        check_status
        if [[ $? == 1 ]]; then
            LOGI "X-UI 和 Xray 已成功停止"
        else
            LOGE "面板停止失败，可能是因为停止时间超过两秒，请稍后查看日志信息！"
        fi
    fi

    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

restart() {
    systemctl restart x-ui
    sleep 2
    check_status
    if [[ $? == 0 ]]; then
        LOGI "x-ui 和 xray 已成功重新启动"
    else
        LOGE "面板重启失败，可能是因为启动时间超过两秒，请稍后查看日志信息"
    fi
    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

status() {
    systemctl status x-ui -l
    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

enable() {
    systemctl enable x-ui
    if [[ $? == 0 ]]; then
        LOGI "x-ui 成功设置开机自启"
    else
        LOGE "x-ui 设置开启自启失败"
    fi

    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

disable() {
    systemctl disable x-ui
    if [[ $? == 0 ]]; then
        LOGI "x-ui 开机自启已成功取消"
    else
        LOGE "x-ui 开启自启取消失败"
    fi

    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

show_log() {
    journalctl -u x-ui.service -e --no-pager -f
    if [[ $# == 0 ]]; then
        before_show_menu
    fi
}

show_banlog() {
    if test -f "${iplimit_banned_log_path}"; then
        if [[ -s "${iplimit_banned_log_path}" ]]; then
            cat ${iplimit_banned_log_path}
        else
            echo -e "${red}日志文件为空。${plain}\n"
        fi
    else
        echo -e "${red}未找到日志文件。请先安装 Fail2ban 和 IP Limit。${plain}\n"
    fi
}

bbr_menu() {
    echo -e "${green}\t1.${plain} 启用 BBR"
    echo -e "${green}\t2.${plain} 禁用 BBR"
    echo -e "${green}\t0.${plain} 返回主菜单"
    read -p "选择一个选项: " choice
    case "$choice" in
    0)
        show_menu
        ;;
    1)
        enable_bbr
        ;;
    2)
        disable_bbr
        ;;
    *) echo "无效选择" ;;
    esac
}

disable_bbr() {

    if ! grep -q "net.core.default_qdisc=fq" /etc/sysctl.conf || ! grep -q "net.ipv4.tcp_congestion_control=bbr" /etc/sysctl.conf; then
        echo -e "${yellow}BBR 当前未启用。${plain}"
        exit 0
    fi

    # Replace BBR with CUBIC configurations
    sed -i 's/net.core.default_qdisc=fq/net.core.default_qdisc=pfifo_fast/' /etc/sysctl.conf
    sed -i 's/net.ipv4.tcp_congestion_control=bbr/net.ipv4.tcp_congestion_control=cubic/' /etc/sysctl.conf

    # Apply changes
    sysctl -p

    # Verify that BBR is replaced with CUBIC
    if [[ $(sysctl net.ipv4.tcp_congestion_control | awk '{print $3}') == "cubic" ]]; then
        echo -e "${green}BBR 已成功替换为 CUBIC。${plain}"
    else
        echo -e "${red}无法将 BBR 替换为 CUBIC。请检查您的系统配置。${plain}"
    fi
}

enable_bbr() {
    if grep -q "net.core.default_qdisc=fq" /etc/sysctl.conf && grep -q "net.ipv4.tcp_congestion_control=bbr" /etc/sysctl.conf; then
        echo -e "${green}BBR 已启用！${plain}"
        exit 0
    fi

    # Check the OS and install necessary packages
    case "${release}" in
    ubuntu | debian)
        apt-get update && apt-get install -yqq --no-install-recommends ca-certificates
        ;;
    centos | almalinux | rocky)
        yum -y update && yum -y install ca-certificates
        ;;
    fedora)
        dnf -y update && dnf -y install ca-certificates
        ;;
    *)
        echo -e "${red}不支持的操作系统。请检查脚本并手动安装必要的软件包。${plain}\n"
        exit 1
        ;;
    esac

    # Enable BBR
    echo "net.core.default_qdisc=fq" | tee -a /etc/sysctl.conf
    echo "net.ipv4.tcp_congestion_control=bbr" | tee -a /etc/sysctl.conf

    # Apply changes
    sysctl -p

    # Verify that BBR is enabled
    if [[ $(sysctl net.ipv4.tcp_congestion_control | awk '{print $3}') == "bbr" ]]; then
        echo -e "${green}BBR 已成功启用。${plain}"
    else
        echo -e "${red}无法启用 BBR。请检查您的系统配置。${plain}"
    fi
}

update_shell() {
    wget -O /usr/bin/x-ui -N --no-check-certificate https://github.com/jiulingyun/3x-ui/tree/dev/x-ui.sh
    if [[ $? != 0 ]]; then
        echo ""
        LOGE "下载脚本失败，请检查机器是否可以连接Github"
        before_show_menu
    else
        chmod +x /usr/bin/x-ui
        LOGI "升级脚本成功，请重新运行脚本" && exit 0
    fi
}

# 0: running, 1: not running, 2: not installed
check_status() {
    if [[ ! -f /etc/systemd/system/x-ui.service ]]; then
        return 2
    fi
    temp=$(systemctl status x-ui | grep Active | awk '{print $3}' | cut -d "(" -f2 | cut -d ")" -f1)
    if [[ "${temp}" == "running" ]]; then
        return 0
    else
        return 1
    fi
}

check_enabled() {
    temp=$(systemctl is-enabled x-ui)
    if [[ "${temp}" == "enabled" ]]; then
        return 0
    else
        return 1
    fi
}

check_uninstall() {
    check_status
    if [[ $? != 2 ]]; then
        echo ""
        LOGE "面板已安装，请不要重新安装"
        if [[ $# == 0 ]]; then
            before_show_menu
        fi
        return 1
    else
        return 0
    fi
}

check_install() {
    check_status
    if [[ $? == 2 ]]; then
        echo ""
        LOGE "请先安装面板"
        if [[ $# == 0 ]]; then
            before_show_menu
        fi
        return 1
    else
        return 0
    fi
}

show_status() {
    check_status
    case $? in
    0)
        echo -e "面板状态: ${green}运行中${plain}"
        show_enable_status
        ;;
    1)
        echo -e "面板状态: ${yellow}未运行${plain}"
        show_enable_status
        ;;
    2)
        echo -e "面板状态: ${red}未安装${plain}"
        ;;
    esac
    show_xray_status
}

show_enable_status() {
    check_enabled
    if [[ $? == 0 ]]; then
        echo -e "开机自启: ${green}Yes${plain}"
    else
        echo -e "开机自启: ${red}No${plain}"
    fi
}

check_xray_status() {
    count=$(ps -ef | grep "xray-linux" | grep -v "grep" | wc -l)
    if [[ count -ne 0 ]]; then
        return 0
    else
        return 1
    fi
}

show_xray_status() {
    check_xray_status
    if [[ $? == 0 ]]; then
        echo -e "xray 状态: ${green}运行中${plain}"
    else
        echo -e "xray 状态: ${red}未运行${plain}"
    fi
}

firewall_menu() {
    echo -e "${green}\t1.${plain} 安装防火墙并打开端口"
    echo -e "${green}\t2.${plain} 允许列表"
    echo -e "${green}\t3.${plain} 从列表中删除端口"
    echo -e "${green}\t4.${plain} 禁用防火墙"
    echo -e "${green}\t0.${plain} 返回主菜单"
    read -p "选择一个选项: " choice
    case "$choice" in
    0)
        show_menu
        ;;
    1)
        open_ports
        ;;
    2)
        sudo ufw status
        ;;
    3)
        delete_ports
        ;;
    4)
        sudo ufw disable
        ;;
    *) echo "无效选择" ;;
    esac
}

open_ports() {
    if ! command -v ufw &>/dev/null; then
        echo "未安装 UFW 防火墙。正在安装..."
        apt-get update
        apt-get install -y ufw
    else
        echo "已安装 UFW 防火墙"
    fi

    # Check if the firewall is inactive
    if ufw status | grep -q "Status: active"; then
        echo "防火墙已处于活动状态"
    else
        # Open the necessary ports
        ufw allow ssh
        ufw allow http
        ufw allow https
        ufw allow 2053/tcp

        # Enable the firewall
        ufw --force enable
    fi

    # Prompt the user to enter a list of ports
    read -p "输入要打开的端口（例如 80,443,2053 或范围 400-500）: " ports

    # Check if the input is valid
    if ! [[ $ports =~ ^([0-9]+|[0-9]+-[0-9]+)(,([0-9]+|[0-9]+-[0-9]+))*$ ]]; then
        echo "错误：输入无效。请输入以逗号分隔的端口列表或端口范围（例如 80,443,2053 或 400-500）。" >&2
        exit 1
    fi

    # Open the specified ports using ufw
    IFS=',' read -ra PORT_LIST <<<"$ports"
    for port in "${PORT_LIST[@]}"; do
        if [[ $port == *-* ]]; then
            # Split the range into start and end ports
            start_port=$(echo $port | cut -d'-' -f1)
            end_port=$(echo $port | cut -d'-' -f2)
            # Loop through the range and open each port
            for ((i = start_port; i <= end_port; i++)); do
                ufw allow $i
            done
        else
            ufw allow "$port"
        fi
    done

    # Confirm that the ports are open
    ufw status | grep $ports
}

delete_ports() {
    # Prompt the user to enter the ports they want to delete
    read -p "输入要删除的端口（例如 80,443,2053 或范围 400-500）：" ports

    # Check if the input is valid
    if ! [[ $ports =~ ^([0-9]+|[0-9]+-[0-9]+)(,([0-9]+|[0-9]+-[0-9]+))*$ ]]; then
        echo "错误：输入无效。请输入以逗号分隔的端口列表或端口范围（例如 80,443,2053 或 400-500）。" >&2
        exit 1
    fi

    # Delete the specified ports using ufw
    IFS=',' read -ra PORT_LIST <<<"$ports"
    for port in "${PORT_LIST[@]}"; do
        if [[ $port == *-* ]]; then
            # Split the range into start and end ports
            start_port=$(echo $port | cut -d'-' -f1)
            end_port=$(echo $port | cut -d'-' -f2)
            # Loop through the range and delete each port
            for ((i = start_port; i <= end_port; i++)); do
                ufw delete allow $i
            done
        else
            ufw delete allow "$port"
        fi
    done

    # Confirm that the ports are deleted
    echo "删除了指定的端口："
    ufw status | grep $ports
}

update_geo() {
    local defaultBinFolder="/usr/local/x-ui/bin"
    read -p "请输入 x-ui bin 文件夹路径。默认值留空。（默认值：'${defaultBinFolder}')" binFolder
    binFolder=${binFolder:-${defaultBinFolder}}
    if [[ ! -d ${binFolder} ]]; then
        LOGE "Folder ${binFolder} not exists!"
        LOGI "making bin folder: ${binFolder}..."
        mkdir -p ${binFolder}
    fi

    systemctl stop x-ui
    cd ${binFolder}
    rm -f geoip.dat geosite.dat geoip_IR.dat geosite_IR.dat geoip_VN.dat geosite_VN.dat
    wget -N https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
    wget -N https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat
    wget -O geoip_IR.dat -N https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geoip.dat
    wget -O geosite_IR.dat -N https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geosite.dat
    wget -O geoip_VN.dat https://github.com/vuong2023/vn-v2ray-rules/releases/latest/download/geoip.dat
    wget -O geosite_VN.dat https://github.com/vuong2023/vn-v2ray-rules/releases/latest/download/geosite.dat
    systemctl start x-ui
    echo -e "${green}Geosite.dat + Geoip.dat + geoip_IR.dat + geosite_IR.dat已在bin文件夹中成功更新'${binfolder}'!${plain}"
    before_show_menu
}

install_acme() {
    cd ~
    LOGI "安装 证书工具..."
    curl https://get.acme.sh | sh
    if [ $? -ne 0 ]; then
        LOGE "安装 证书工具 失败"
        return 1
    else
        LOGI "安装 证书工具 成功"
    fi
    return 0
}

ssl_cert_issue_main() {
    echo -e "${green}\t1.${plain} 获取 SSL"
    echo -e "${green}\t2.${plain} 撤回"
    echo -e "${green}\t3.${plain} 强制续期"
    echo -e "${green}\t0.${plain} 返回主菜单"
    read -p "根据需要选择操作步骤：" choice
    case "$choice" in
    0)
        show_menu
        ;;
    1)
        ssl_cert_issue
        ;;
    2)
        local domain=""
        read -p "请输入您的域名以吊销证书：" domain
        ~/.acme.sh/acme.sh --revoke -d ${domain}
        LOGI "证书已吊销"
        ;;
    3)
        local domain=""
        read -p "请输入您的域名以强制续订SSL证书：" domain
        ~/.acme.sh/acme.sh --renew -d ${domain} --force
        ;;
    *) echo "无效选择" ;;
    esac
}

ssl_cert_issue() {
    # check for acme.sh first
    if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
        echo "acme.sh 无法找到。正在安装..."
        install_acme
        if [ $? -ne 0 ]; then
            LOGE "安装 证书工具 失败，请查看日志"
            exit 1
        fi
    fi
    # install socat second
    case "${release}" in
    ubuntu | debian | armbian)
        apt update && apt install socat -y
        ;;
    centos | almalinux | rocky)
        yum -y update && yum -y install socat
        ;;
    fedora)
        dnf -y update && dnf -y install socat
        ;;
    *)
        echo -e "${red}不支持的操作系统。请检查脚本并手动安装必要的软件包。${plain}\n"
        exit 1
        ;;
    esac
    if [ $? -ne 0 ]; then
        LOGE "安装 socat 失败，请检查日志"
        exit 1
    else
        LOGI "安装 socat 成功..."
    fi

    # get the domain here,and we need verify it
    local domain=""
    read -p "请输入您的域名：" domain
    LOGD "你的域名是：${domain}，检查一下..."
    # here we need to judge whether there exists cert already
    local currentCert=$(~/.acme.sh/acme.sh --list | tail -1 | awk '{print $1}')

    if [ ${currentCert} == ${domain} ]; then
        local certInfo=$(~/.acme.sh/acme.sh --list)
        LOGE "系统这里已经有证书，不能再次颁发，当前证书详情："
        LOGI "$certInfo"
        exit 1
    else
        LOGI "您的域现在已准备好颁发证书..."
    fi

    # create a directory for install cert
    certPath="/root/cert/${domain}"
    if [ ! -d "$certPath" ]; then
        mkdir -p "$certPath"
    else
        rm -rf "$certPath"
        mkdir -p "$certPath"
    fi

    # get needed port here
    local WebPort=80
    read -p "请选择您使用的端口，默认为 80 端口：" WebPort
    if [[ ${WebPort} -gt 65535 || ${WebPort} -lt 1 ]]; then
        LOGE "您的输入 ${WebPort} 无效，将使用默认端口"
    fi
    LOGI "将使用 端口：${WebPort} 颁发证书，请确保此端口已打开..."
    # NOTE:This should be handled by user
    # open the port and kill the occupied progress
    ~/.acme.sh/acme.sh --set-default-ca --server letsencrypt
    ~/.acme.sh/acme.sh --issue -d ${domain} --standalone --httpport ${WebPort}
    if [ $? -ne 0 ]; then
        LOGE "申请证书失败，请检查日志"
        rm -rf ~/.acme.sh/${domain}
        exit 1
    else
        LOGE "颁发证书成功，安装证书..."
    fi
    # install cert
    ~/.acme.sh/acme.sh --installcert -d ${domain} \
        --key-file /root/cert/${domain}/privkey.pem \
        --fullchain-file /root/cert/${domain}/fullchain.pem

    if [ $? -ne 0 ]; then
        LOGE "安装证书失败，退出"
        rm -rf ~/.acme.sh/${domain}
        exit 1
    else
        LOGI "安装证书成功，启用自动续订..."
    fi

    ~/.acme.sh/acme.sh --upgrade --auto-upgrade
    if [ $? -ne 0 ]; then
        LOGE "自动续订失败，证书详细信息："
        ls -lah cert/*
        chmod 755 $certPath/*
        exit 1
    else
        LOGI "自动续订成功，证书详细信息："
        ls -lah cert/*
        chmod 755 $certPath/*
    fi
}

ssl_cert_issue_CF() {
    echo -E ""
    LOGD "******使用说明******"
    LOGI "此 Acme 脚本需要以下数据："
    LOGI "1.Cloudflare注册的邮箱"
    LOGI "2.Cloudflare 全球 API 密钥"
    LOGI "3.Cloudflare 已将 dns 解析到当前服务器的域名"
    LOGI "4.该脚本适用于证书。默认安装路径为 /root/cert "
    confirm "确认继续？[y/n]" "y"
    if [ $? -eq 0 ]; then
        # check for acme.sh first
        if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
            echo "acme.sh 无法找到。正在安装中..."
            install_acme
            if [ $? -ne 0 ]; then
                LOGE "安装 acme.sh 失败，请查看日志"
                exit 1
            fi
        fi
        CF_Domain=""
        CF_GlobalKey=""
        CF_AccountEmail=""
        certPath=/root/cert
        if [ ! -d "$certPath" ]; then
            mkdir $certPath
        else
            rm -rf $certPath
            mkdir $certPath
        fi
        LOGD "请设置域名："
        read -p "在此输入您的域名：" CF_Domain
        LOGD "您的域名设置为：${CF_Domain}"
        LOGD "请设置 API 密钥："
        read -p "在此处输入您的密钥：" CF_GlobalKey
        LOGD "您的 API 密钥是：${CF_GlobalKey}"
        LOGD "请设置邮箱："
        read -p "在此输入您的邮箱：" CF_AccountEmail
        LOGD "您注册的电子邮件地址是:${CF_AccountEmail}"
        ~/.acme.sh/acme.sh --set-default-ca --server letsencrypt
        if [ $? -ne 0 ]; then
            LOGE "默认 CA，Lets'Encrypt 失败，脚本退出..."
            exit 1
        fi
        export CF_Key="${CF_GlobalKey}"
        export CF_Email=${CF_AccountEmail}
        ~/.acme.sh/acme.sh --issue --dns dns_cf -d ${CF_Domain} -d *.${CF_Domain} --log
        if [ $? -ne 0 ]; then
            LOGE "证书颁发失败，脚本正在退出..."
            exit 1
        else
            LOGI "证书已成功颁发，正在安装..."
        fi
        ~/.acme.sh/acme.sh --installcert -d ${CF_Domain} -d *.${CF_Domain} --ca-file /root/cert/ca.cer \
            --cert-file /root/cert/${CF_Domain}.cer --key-file /root/cert/${CF_Domain}.key \
            --fullchain-file /root/cert/fullchain.cer
        if [ $? -ne 0 ]; then
            LOGE "证书安装失败，脚本正在退出..."
            exit 1
        else
            LOGI "证书安装成功，开启自动更新..."
        fi
        ~/.acme.sh/acme.sh --upgrade --auto-upgrade
        if [ $? -ne 0 ]; then
            LOGE "自动更新设置失败，脚本正在退出..."
            ls -lah cert
            chmod 755 $certPath
            exit 1
        else
            LOGI "证书已安装并开启自动续期，具体信息如下"
            ls -lah cert
            chmod 755 $certPath
        fi
    else
        show_menu
    fi
}

warp_cloudflare() {
    echo -e "${green}\t1.${plain} 安装 WARP socks5 代理"
    echo -e "${green}\t2.${plain} 账户类型 (free, plus, team)"
    echo -e "${green}\t3.${plain} 打开/关闭 WireProxy"
    echo -e "${green}\t4.${plain} 卸载 WARP"
    echo -e "${green}\t0.${plain} 返回主菜单"
    read -p "根据需要选择操作步骤：" choice
    case "$choice" in
    0)
        show_menu
        ;;
    1)
        bash <(curl -sSL https://raw.githubusercontent.com/hamid-gh98/x-ui-scripts/main/install_warp_proxy.sh)
        ;;
    2)
        warp a
        ;;
    3)
        warp y
        ;;
    4)
        warp u
        ;;
    *) echo "无效选择" ;;
    esac
}

run_speedtest() {
    # Check if Speedtest is already installed
    if ! command -v speedtest &>/dev/null; then
        # If not installed, install it
        local pkg_manager=""
        local speedtest_install_script=""

        if command -v dnf &>/dev/null; then
            pkg_manager="dnf"
            speedtest_install_script="https://packagecloud.io/install/repositories/ookla/speedtest-cli/script.rpm.sh"
        elif command -v yum &>/dev/null; then
            pkg_manager="yum"
            speedtest_install_script="https://packagecloud.io/install/repositories/ookla/speedtest-cli/script.rpm.sh"
        elif command -v apt-get &>/dev/null; then
            pkg_manager="apt-get"
            speedtest_install_script="https://packagecloud.io/install/repositories/ookla/speedtest-cli/script.deb.sh"
        elif command -v apt &>/dev/null; then
            pkg_manager="apt"
            speedtest_install_script="https://packagecloud.io/install/repositories/ookla/speedtest-cli/script.deb.sh"
        fi

        if [[ -z $pkg_manager ]]; then
            echo "错误：找不到包管理器。您可能需要手动安装 Speedtest。"
            return 1
        else
            curl -s $speedtest_install_script | bash
            $pkg_manager install -y speedtest
        fi
    fi

    # Run Speedtest
    speedtest
}

create_iplimit_jails() {
    # Use default bantime if not passed => 15 minutes
    local bantime="${1:-15}"

    # Uncomment 'allowipv6 = auto' in fail2ban.conf
    sed -i 's/#allowipv6 = auto/allowipv6 = auto/g' /etc/fail2ban/fail2ban.conf

    #On Debian 12+ fail2ban's default backend should be changed to systemd
    if [[  "${release}" == "debian" && ${os_version} -ge 12 ]]; then
        sed -i '0,/action =/s/backend = auto/backend = systemd/' /etc/fail2ban/jail.conf
    fi

    cat << EOF > /etc/fail2ban/jail.d/3x-ipl.conf
[3x-ipl]
enabled=true
backend=auto
filter=3x-ipl
action=3x-ipl
logpath=${iplimit_log_path}
maxretry=2
findtime=32
bantime=${bantime}m
EOF

    cat << EOF > /etc/fail2ban/filter.d/3x-ipl.conf
[Definition]
datepattern = ^%%Y/%%m/%%d %%H:%%M:%%S
failregex   = \[LIMIT_IP\]\s*Email\s*=\s*<F-USER>.+</F-USER>\s*\|\|\s*SRC\s*=\s*<ADDR>
ignoreregex =
EOF

    cat << EOF > /etc/fail2ban/action.d/3x-ipl.conf
[INCLUDES]
before = iptables-allports.conf

[Definition]
actionstart = <iptables> -N f2b-<name>
              <iptables> -A f2b-<name> -j <returntype>
              <iptables> -I <chain> -p <protocol> -j f2b-<name>

actionstop = <iptables> -D <chain> -p <protocol> -j f2b-<name>
             <actionflush>
             <iptables> -X f2b-<name>

actioncheck = <iptables> -n -L <chain> | grep -q 'f2b-<name>[ \t]'

actionban = <iptables> -I f2b-<name> 1 -s <ip> -j <blocktype>
            echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S")   BAN   [Email] = <F-USER> [IP] = <ip> banned for <bantime> seconds." >> ${iplimit_banned_log_path}

actionunban = <iptables> -D f2b-<name> -s <ip> -j <blocktype>
              echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S")   UNBAN   [Email] = <F-USER> [IP] = <ip> unbanned." >> ${iplimit_banned_log_path}

[Init]
EOF

    echo -e "${green}Ip Limit jail files created with a bantime of ${bantime} minutes.${plain}"
}

iplimit_remove_conflicts() {
    local jail_files=(
        /etc/fail2ban/jail.conf
        /etc/fail2ban/jail.local
    )

    for file in "${jail_files[@]}"; do
        # Check for [3x-ipl] config in jail file then remove it
        if test -f "${file}" && grep -qw '3x-ipl' ${file}; then
            sed -i "/\[3x-ipl\]/,/^$/d" ${file}
            echo -e "${yellow}Removing conflicts of [3x-ipl] in jail (${file})!${plain}\n"
        fi
    done
}

iplimit_main() {
    echo -e "\n${green}\t1.${plain} 安装 Fail2ban 并配置 IP 限制"
    echo -e "${green}\t2.${plain} 更改禁令持续时间"
    echo -e "${green}\t3.${plain} 取消对所有IP的禁止"
    echo -e "${green}\t4.${plain} 检查日志"
    echo -e "${green}\t5.${plain} fail2ban 状态"
    echo -e "${green}\t6.${plain} 卸载 IP 限制"
    echo -e "${green}\t0.${plain} 返回主菜单"
    read -p "根据需要选择操作步骤：" choice
    case "$choice" in
    0)
        show_menu
        ;;
    1)
        confirm "继续安装Fail2ban和IP Limit？" "y"
        if [[ $? == 0 ]]; then
            install_iplimit
        else
            iplimit_main
        fi
        ;;
    2)
        read -rp "请输入新的封禁持续时间（分钟数）[默认 30]: " NUM
        if [[ $NUM =~ ^[0-9]+$ ]]; then
            create_iplimit_jails ${NUM}
            systemctl restart fail2ban
        else
            echo -e "${red}${NUM} 不是一个数字！请再试一次。${plain}"
        fi
        iplimit_main
        ;;
    3)
        confirm "继续从 IP 限制中解禁所有人？" "y"
        if [[ $? == 0 ]]; then
            fail2ban-client reload --restart --unban 3x-ipl
            truncate -s 0 "${iplimit_banned_log_path}"
            echo -e "${green}所有用户成功解禁。${plain}"
            iplimit_main
        else
            echo -e "${yellow}取消.${plain}"
        fi
        iplimit_main
        ;;
    4)
        show_banlog
        ;;
    5)
        service fail2ban status
        ;;

    6)
        remove_iplimit
        ;;
    *) echo "无效选择" ;;
    esac
}

install_iplimit() {
    if ! command -v fail2ban-client &>/dev/null; then
        echo -e "${green}未安装 Fail2ban。正在安装...！${plain}\n"

        # Check the OS and install necessary packages
        case "${release}" in
        ubuntu | debian)
            apt update && apt install fail2ban -y
            ;;
        centos | almalinux | rocky)
            yum update -y && yum install epel-release -y
            yum -y install fail2ban
            ;;
        fedora)
            dnf -y update && dnf -y install fail2ban
            ;;
        *)
            echo -e "${red}不支持的操作系统。请检查脚本并手动安装必要的软件包。${plain}\n"
            exit 1
            ;;
        esac

        if ! command -v fail2ban-client &>/dev/null; then
            echo -e "${red}Fail2ban 安装失败。${plain}\n"
            exit 1
        fi

        echo -e "${green}Fail2ban 安装成功！${plain}\n"
    else
        echo -e "${yellow}已安装 Fail2ban。${plain}\n"
    fi

    echo -e "${green}正在配置 IP 限制...${plain}\n"

    # make sure there's no conflict for jail files
    iplimit_remove_conflicts

    # Check if log file exists
    if ! test -f "${iplimit_banned_log_path}"; then
        touch ${iplimit_banned_log_path}
    fi

    # Check if service log file exists so fail2ban won't return error
    if ! test -f "${iplimit_log_path}"; then
        touch ${iplimit_log_path}
    fi

    # Create the iplimit jail files
    # we didn't pass the bantime here to use the default value
    create_iplimit_jails

    # Launching fail2ban
    if ! systemctl is-active --quiet fail2ban; then
        systemctl start fail2ban
        systemctl enable fail2ban
    else
        systemctl restart fail2ban
    fi
    systemctl enable fail2ban

    echo -e "${green}IP Limit 安装并配置成功！${plain}\n"
    before_show_menu
}

remove_iplimit() {
    echo -e "${green}\t1.${plain} 仅删除 IP 限制配置"
    echo -e "${green}\t2.${plain} 卸载 Fail2ban 和 IP Limit"
    echo -e "${green}\t0.${plain} 终止"
    read -p "根据需要选择操作步骤： " num
    case "$num" in
    1)
        rm -f /etc/fail2ban/filter.d/3x-ipl.conf
        rm -f /etc/fail2ban/action.d/3x-ipl.conf
        rm -f /etc/fail2ban/jail.d/3x-ipl.conf
        systemctl restart fail2ban
        echo -e "${green}IP Limit已成功删除！${plain}\n"
        before_show_menu
        ;;
    2)
        rm -rf /etc/fail2ban
        systemctl stop fail2ban
        case "${release}" in
        ubuntu | debian)
            apt-get remove -y fail2ban
            apt-get purge -y fail2ban -y
            apt-get autoremove -y
            ;;
        centos | almalinux | rocky)
            yum remove fail2ban -y
            yum autoremove -y
            ;;
        fedora)
            dnf remove fail2ban -y
            dnf autoremove -y
            ;;
        *)
            echo -e "${red}不支持的操作系统。请手动卸载 Fail2ban。${plain}\n"
            exit 1
            ;;
        esac
        echo -e "${green}Fail2ban 和 IP Limit已成功删除！${plain}\n"
        before_show_menu
        ;;
    0)
        echo -e "${yellow}取消.${plain}\n"
        iplimit_main
        ;;
    *)
        echo -e "${red}无效的选项。请选择一个有效数字${plain}\n"
        remove_iplimit
        ;;
    esac
}

show_usage() {
    echo "X-UI 控件菜单： "
    echo "------------------------------------------"
    echo -e "x-ui              - 进入控制菜单"
    echo -e "x-ui start        - 启动 x-ui "
    echo -e "x-ui stop         - 停止  x-ui "
    echo -e "x-ui restart      - 重启 x-ui "
    echo -e "x-ui status       - 显示 x-ui 状态"
    echo -e "x-ui enable       - 设置 x-ui 开机自启"
    echo -e "x-ui disable      - 禁用 x-ui 开启自启"
    echo -e "x-ui log          - 查看 x-ui 日志"
    echo -e "x-ui banlog       - 查看 Fail2ban 封禁日志"
    echo -e "x-ui update       - 更新 x-ui "
    echo -e "x-ui install      - 安装 x-ui "
    echo -e "x-ui uninstall    - 卸载 x-ui "
    echo "------------------------------------------"
}

show_menu() {
    echo -e "
  ${green}3X-ui 面板管理脚本${plain}
  ${green}0.${plain} 退出脚本
————————————————
  ${green}1.${plain} 安装
  ${green}2.${plain} 更新
  ${green}3.${plain} 自定义版本
  ${green}4.${plain} 卸载
————————————————
  ${green}5.${plain} 重置用户名 & 密码 & 密钥令牌
  ${green}6.${plain} 重置设置
  ${green}7.${plain} 更改端口
  ${green}8.${plain} 查看当前设置
————————————————
  ${green}9.${plain} 启动
  ${green}10.${plain} 停止
  ${green}11.${plain} 重启
  ${green}12.${plain} 查看状态
  ${green}13.${plain} 查看日志
————————————————
  ${green}14.${plain} 设置开启自启
  ${green}15.${plain} 禁用开机自启
————————————————
  ${green}16.${plain} SSL证书管理
  ${green}17.${plain} Cloudflare SSL证书
  ${green}18.${plain} IP Limit 管理
  ${green}19.${plain} WARP 管理
  ${green}20.${plain} Firewall 管理
————————————————
  ${green}21.${plain} 启用 BBR
  ${green}22.${plain} 更新 Geo 文件
  ${green}23.${plain} Ookla测速
"
    show_status
    echo && read -p "请输入您的选择 [0-23]：" num

    case "${num}" in
    0)
        exit 0
        ;;
    1)
        check_uninstall && install
        ;;
    2)
        check_install && update
        ;;
    3)
        check_install && custom_version
        ;;
    4)
        check_install && uninstall
        ;;
    5)
        check_install && reset_user
        ;;
    6)
        check_install && reset_config
        ;;
    7)
        check_install && set_port
        ;;
    8)
        check_install && check_config
        ;;
    9)
        check_install && start
        ;;
    10)
        check_install && stop
        ;;
    11)
        check_install && restart
        ;;
    12)
        check_install && status
        ;;
    13)
        check_install && show_log
        ;;
    14)
        check_install && enable
        ;;
    15)
        check_install && disable
        ;;
    16)
        ssl_cert_issue_main
        ;;
    17)
        ssl_cert_issue_CF
        ;;
    18)
        iplimit_main
        ;;
    19)
        warp_cloudflare
        ;;
    20)
        firewall_menu
        ;;
    21)
        bbr_menu
        ;;
    22)
        update_geo
        ;;
    23)
        run_speedtest
        ;;
    *)
        LOGE "请输入正确的号码 [0-23]"
        ;;
    esac
}

if [[ $# > 0 ]]; then
    case $1 in
    "start")
        check_install 0 && start 0
        ;;
    "stop")
        check_install 0 && stop 0
        ;;
    "restart")
        check_install 0 && restart 0
        ;;
    "status")
        check_install 0 && status 0
        ;;
    "enable")
        check_install 0 && enable 0
        ;;
    "disable")
        check_install 0 && disable 0
        ;;
    "log")
        check_install 0 && show_log 0
        ;;
    "banlog")
        check_install 0 && show_banlog 0
        ;;
    "update")
        check_install 0 && update 0
        ;;
    "install")
        check_uninstall 0 && install 0
        ;;
    "uninstall")
        check_install 0 && uninstall 0
        ;;
    *) show_usage ;;
    esac
else
    show_menu
fi