3x-ui/install.sh

#!/bin/bash

red='\033[0;31m'
green='\033[0;32m'
blue='\033[0;34m'
yellow='\033[0;33m'
plain='\033[0m'

cur_dir=$(pwd)

# check root
[[ $EUID -ne 0 ]] && echo -e "${red}Fatal error: ${plain} Please run this script with root privilege \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 "Failed to check the system OS, please contact the author!" >&2
    exit 1
fi
echo "The OS release is: $release"

arch() {
    case "$(uname -m)" in
    x86_64 | x64 | amd64) echo 'amd64' ;;
    i*86 | x86) echo '386' ;;
    armv8* | armv8 | arm64 | aarch64) echo 'arm64' ;;
    armv7* | armv7 | arm) echo 'armv7' ;;
    armv6* | armv6) echo 'armv6' ;;
    armv5* | armv5) echo 'armv5' ;;
    s390x) echo 's390x' ;;
    *) echo -e "${green}Unsupported CPU architecture! ${plain}" && rm -f install.sh && exit 1 ;;
    esac
}

echo "Arch: $(arch)"

check_glibc_version() {
    glibc_version=$(ldd --version | head -n1 | awk '{print $NF}')
    
    required_version="2.32"
    if [[ "$(printf '%s\n' "$required_version" "$glibc_version" | sort -V | head -n1)" != "$required_version" ]]; then
        echo -e "${red}GLIBC version $glibc_version is too old! Required: 2.32 or higher${plain}"
        echo "Please upgrade to a newer version of your operating system to get a higher GLIBC version."
        exit 1
    fi
    echo "GLIBC version: $glibc_version (meets requirement of 2.32+)"
}
check_glibc_version

install_base() {
    case "${release}" in
    ubuntu | debian | armbian)
        apt-get update && apt-get install -y -q wget curl tar tzdata
        ;;
    centos | almalinux | rocky | ol)
        yum -y update && yum install -y -q wget curl tar tzdata
        ;;
    fedora | amzn | virtuozzo)
        dnf -y update && dnf install -y -q wget curl tar tzdata
        ;;
    arch | manjaro | parch)
        pacman -Syu && pacman -Syu --noconfirm wget curl tar tzdata
        ;;
    opensuse-tumbleweed)
        zypper refresh && zypper -q install -y wget curl tar timezone
        ;;
    *)
        apt-get update && apt install -y -q wget curl tar tzdata
        ;;
    esac
}

gen_random_string() {
    local length="$1"
    local random_string=$(LC_ALL=C tr -dc 'a-zA-Z0-9' </dev/urandom | fold -w "$length" | head -n 1)
    echo "$random_string"
}

install_postgresql() {
    echo -e "${green}Installing PostgreSQL...${plain}"
    
    case "${release}" in
    ubuntu | debian | armbian)
        apt-get update
        apt-get install -y postgresql postgresql-contrib
        ;;
    centos | almalinux | rocky | ol)
        yum install -y postgresql-server postgresql-contrib
        postgresql-setup initdb
        ;;
    fedora | amzn | virtuozzo)
        dnf install -y postgresql-server postgresql-contrib
        postgresql-setup --initdb
        ;;
    arch | manjaro | parch)
        pacman -S --noconfirm postgresql
        sudo -u postgres initdb -D /var/lib/postgres/data
        ;;
    opensuse-tumbleweed)
        zypper install -y postgresql-server postgresql-contrib
        ;;
    *)
        echo -e "${red}Unsupported OS for PostgreSQL installation${plain}"
        return 1
        ;;
    esac

    # Start and enable PostgreSQL service
    systemctl start postgresql
    systemctl enable postgresql
    
    if ! systemctl is-active --quiet postgresql; then
        echo -e "${red}Failed to start PostgreSQL service${plain}"
        return 1
    fi
    
    echo -e "${green}PostgreSQL installed and started successfully${plain}"
    return 0
}

setup_postgresql_for_xui() {
    echo -e "${green}Setting up PostgreSQL for x-ui...${plain}"
    
    local db_name="x_ui"
    local db_user="x_ui"
    local db_password=$(gen_random_string 16)
    
    # Create database and user
    sudo -u postgres psql -c "CREATE DATABASE ${db_name};" 2>/dev/null || true
    sudo -u postgres psql -c "CREATE USER ${db_user} WITH PASSWORD '${db_password}';" 2>/dev/null || true
    sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE ${db_name} TO ${db_user};" 2>/dev/null || true
    sudo -u postgres psql -c "ALTER USER ${db_user} CREATEDB;" 2>/dev/null || true
    
    # Create environment file for x-ui
    cat > /etc/x-ui/db.env << EOF
DB_TYPE=postgres
DB_HOST=localhost
DB_PORT=5432
DB_NAME=${db_name}
DB_USER=${db_user}
DB_PASSWORD=${db_password}
DB_SSLMODE=disable
DB_TIMEZONE=UTC
EOF

    chmod 600 /etc/x-ui/db.env
    
    echo -e "${green}PostgreSQL setup completed${plain}"
    echo -e "${yellow}Database: ${db_name}${plain}"
    echo -e "${yellow}User: ${db_user}${plain}"
    echo -e "${yellow}Password: ${db_password}${plain}"
    echo -e "${yellow}Configuration saved to: /etc/x-ui/db.env${plain}"
    
    return 0
}

database_setup() {
    echo -e "${green}Database Setup${plain}"
    echo -e "Choose your database type:"
    echo -e "${green}1.${plain} SQLite (Default, recommended for most users)"
    echo -e "${green}2.${plain} PostgreSQL (For high-load environments)"
    
    read -rp "Enter your choice [1-2, default: 1]: " db_choice
    
    case "${db_choice}" in
    2)
        echo -e "${yellow}Setting up PostgreSQL...${plain}"
        
        # Check if PostgreSQL is already installed
        if command -v psql &> /dev/null && systemctl is-active --quiet postgresql; then
            echo -e "${yellow}PostgreSQL is already installed and running${plain}"
            read -rp "Do you want to use existing PostgreSQL installation? [y/n, default: y]: " use_existing
            if [[ "${use_existing}" == "n" || "${use_existing}" == "N" ]]; then
                return 1
            fi
        else
            read -rp "PostgreSQL will be installed. Continue? [y/n, default: y]: " install_confirm
            if [[ "${install_confirm}" == "n" || "${install_confirm}" == "N" ]]; then
                echo -e "${yellow}Using SQLite instead${plain}"
                return 0
            fi
            
            if ! install_postgresql; then
                echo -e "${red}Failed to install PostgreSQL. Using SQLite instead${plain}"
                return 0
            fi
        fi
        
        if ! setup_postgresql_for_xui; then
            echo -e "${red}Failed to setup PostgreSQL. Using SQLite instead${plain}"
            return 0
        fi
        
        echo -e "${green}PostgreSQL setup completed successfully${plain}"
        ;;
    1|"")
        echo -e "${green}Using SQLite database (default)${plain}"
        # Create empty env file to indicate SQLite usage
        mkdir -p /etc/x-ui
        cat > /etc/x-ui/db.env << EOF
DB_TYPE=sqlite
EOF
        chmod 600 /etc/x-ui/db.env
        ;;
    *)
        echo -e "${yellow}Invalid choice. Using SQLite (default)${plain}"
        mkdir -p /etc/x-ui
        cat > /etc/x-ui/db.env << EOF
DB_TYPE=sqlite
EOF
        chmod 600 /etc/x-ui/db.env
        ;;
    esac
    
    return 0
}

config_after_install() {
    local existing_hasDefaultCredential=$(/usr/local/x-ui/x-ui setting -show true | grep -Eo 'hasDefaultCredential: .+' | awk '{print $2}')
    local existing_webBasePath=$(/usr/local/x-ui/x-ui setting -show true | grep -Eo 'webBasePath: .+' | awk '{print $2}')
    local existing_port=$(/usr/local/x-ui/x-ui setting -show true | grep -Eo 'port: .+' | awk '{print $2}')
    local server_ip=$(curl -s https://api.ipify.org)

    if [[ ${#existing_webBasePath} -lt 4 ]]; then
        if [[ "$existing_hasDefaultCredential" == "true" ]]; then
            local config_webBasePath=$(gen_random_string 15)
            local config_username=$(gen_random_string 10)
            local config_password=$(gen_random_string 10)

            read -rp "Would you like to customize the Panel Port settings? (If not, a random port will be applied) [y/n]: " config_confirm
            if [[ "${config_confirm}" == "y" || "${config_confirm}" == "Y" ]]; then
                read -rp "Please set up the panel port: " config_port
                echo -e "${yellow}Your Panel Port is: ${config_port}${plain}"
            else
                local config_port=$(shuf -i 1024-62000 -n 1)
                echo -e "${yellow}Generated random port: ${config_port}${plain}"
            fi

            /usr/local/x-ui/x-ui setting -username "${config_username}" -password "${config_password}" -port "${config_port}" -webBasePath "${config_webBasePath}"
            echo -e "This is a fresh installation, generating random login info for security concerns:"
            echo -e "###############################################"
            echo -e "${green}Username: ${config_username}${plain}"
            echo -e "${green}Password: ${config_password}${plain}"
            echo -e "${green}Port: ${config_port}${plain}"
            echo -e "${green}WebBasePath: ${config_webBasePath}${plain}"
            echo -e "${green}Access URL: http://${server_ip}:${config_port}/${config_webBasePath}${plain}"
            echo -e "###############################################"
        else
            local config_webBasePath=$(gen_random_string 15)
            echo -e "${yellow}WebBasePath is missing or too short. Generating a new one...${plain}"
            /usr/local/x-ui/x-ui setting -webBasePath "${config_webBasePath}"
            echo -e "${green}New WebBasePath: ${config_webBasePath}${plain}"
            echo -e "${green}Access URL: http://${server_ip}:${existing_port}/${config_webBasePath}${plain}"
        fi
    else
        if [[ "$existing_hasDefaultCredential" == "true" ]]; then
            local config_username=$(gen_random_string 10)
            local config_password=$(gen_random_string 10)

            echo -e "${yellow}Default credentials detected. Security update required...${plain}"
            /usr/local/x-ui/x-ui setting -username "${config_username}" -password "${config_password}"
            echo -e "Generated new random login credentials:"
            echo -e "###############################################"
            echo -e "${green}Username: ${config_username}${plain}"
            echo -e "${green}Password: ${config_password}${plain}"
            echo -e "###############################################"
        else
            echo -e "${green}Username, Password, and WebBasePath are properly set. Exiting...${plain}"
        fi
    fi

    /usr/local/x-ui/x-ui migrate
}

install_x-ui() {
    cd /usr/local/

    if [ $# == 0 ]; then
        tag_version=$(curl -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
        if [[ ! -n "$tag_version" ]]; then
            echo -e "${red}Failed to fetch x-ui version, it may be due to GitHub API restrictions, please try it later${plain}"
            exit 1
        fi
        echo -e "Got x-ui latest version: ${tag_version}, beginning the installation..."
        wget -N -O /usr/local/x-ui-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz
        if [[ $? -ne 0 ]]; then
            echo -e "${red}Downloading x-ui failed, please be sure that your server can access GitHub ${plain}"
            exit 1
        fi
    else
        tag_version=$1
        tag_version_numeric=${tag_version#v}
        min_version="2.3.5"

        if [[ "$(printf '%s\n' "$min_version" "$tag_version_numeric" | sort -V | head -n1)" != "$min_version" ]]; then
            echo -e "${red}Please use a newer version (at least v2.3.5). Exiting installation.${plain}"
            exit 1
        fi

        url="https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz"
        echo -e "Beginning to install x-ui $1"
        wget -N -O /usr/local/x-ui-linux-$(arch).tar.gz ${url}
        if [[ $? -ne 0 ]]; then
            echo -e "${red}Download x-ui $1 failed, please check if the version exists ${plain}"
            exit 1
        fi
    fi

    if [[ -e /usr/local/x-ui/ ]]; then
        systemctl stop x-ui
        rm /usr/local/x-ui/ -rf
    fi

    tar zxvf x-ui-linux-$(arch).tar.gz
    rm x-ui-linux-$(arch).tar.gz -f
    cd x-ui
    chmod +x x-ui

    # Check the system's architecture and rename the file accordingly
    if [[ $(arch) == "armv5" || $(arch) == "armv6" || $(arch) == "armv7" ]]; then
        mv bin/xray-linux-$(arch) bin/xray-linux-arm
        chmod +x bin/xray-linux-arm
    fi

    chmod +x x-ui bin/xray-linux-$(arch)
    cp -f x-ui.service /etc/systemd/system/
    wget -O /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh
    chmod +x /usr/local/x-ui/x-ui.sh
    chmod +x /usr/bin/x-ui
    
    # Setup database before configuration
    database_setup
    
    config_after_install

    systemctl daemon-reload
    systemctl enable x-ui
    systemctl start x-ui
    echo -e "${green}x-ui ${tag_version}${plain} installation finished, it is running now..."
    echo -e ""
    echo -e "┌───────────────────────────────────────────────────────┐"
    echo -e "│  ${blue}x-ui control menu usages (subcommands):${plain}              │"
    echo -e "│                                                       │"
    echo -e "│  ${blue}x-ui${plain}              - Admin Management Script          │"
    echo -e "│  ${blue}x-ui start${plain}        - Start                            │"
    echo -e "│  ${blue}x-ui stop${plain}         - Stop                             │"
    echo -e "│  ${blue}x-ui restart${plain}      - Restart                          │"
    echo -e "│  ${blue}x-ui status${plain}       - Current Status                   │"
    echo -e "│  ${blue}x-ui settings${plain}     - Current Settings                 │"
    echo -e "│  ${blue}x-ui enable${plain}       - Enable Autostart on OS Startup   │"
    echo -e "│  ${blue}x-ui disable${plain}      - Disable Autostart on OS Startup  │"
    echo -e "│  ${blue}x-ui log${plain}          - Check logs                       │"
    echo -e "│  ${blue}x-ui banlog${plain}       - Check Fail2ban ban logs          │"
    echo -e "│  ${blue}x-ui update${plain}       - Update                           │"
    echo -e "│  ${blue}x-ui legacy${plain}       - legacy version                   │"
    echo -e "│  ${blue}x-ui install${plain}      - Install                          │"
    echo -e "│  ${blue}x-ui uninstall${plain}    - Uninstall                        │"
    echo -e "│  ${blue}x-ui database${plain}     - Database Management              │"
    echo -e "└───────────────────────────────────────────────────────┘"
}

echo -e "${green}Running...${plain}"
install_base
install_x-ui $1