feat: modularize project structure with new helper libraries, centralized configuration, and reverse proxy management

lib/common.sh

@@ -0,0 +1,182 @@
+#!/bin/bash
+
+# Common functions library for Proxy-Core
+# Version: 2.1.1
+# Author: houseassassin
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+MAGENTA='\033[0;35m'
+CYAN='\033[0;36m'
+GRAY='\033[0;90m'
+NC='\033[0m'
+
+# Logging functions
+log() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+warn() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+success() {
+    echo -e "${GREEN}[SUCCESS]${NC} $1"
+}
+
+# Validation functions
+validate_port() {
+    local port=$1
+    if ! [[ "$port" =~ ^[0-9]+$ ]] || [ "$port" -lt 1 ] || [ "$port" -gt 65535 ]; then
+        error "Неверный порт: $port (должен быть 1-65535)"
+        return 1
+    fi
+    return 0
+}
+
+validate_name() {
+    local name=$1
+    if [ -z "$name" ]; then
+        error "Имя не может быть пустым"
+        return 1
+    fi
+    if ! [[ "$name" =~ ^[a-zA-Z0-9_-]+$ ]]; then
+        error "Неверное имя: $name (только буквы, цифры, _ и -)"
+        return 1
+    fi
+    return 0
+}
+
+check_port_available() {
+    local port=$1
+    if ss -ltun | awk '{print $4}' | grep -q ":$port\$"; then
+        error "Порт $port уже используется"
+        return 1
+    fi
+    return 0
+}
+
+validate_ip() {
+    local ip=$1
+    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+        return 0
+    else
+        error "Неверный IP адрес: $ip"
+        return 1
+    fi
+}
+
+# Network utilities
+get_server_ip() {
+    curl -s -4 ifconfig.me || curl -s -4 api.ipify.org || curl -s -4 ipinfo.io/ip
+}
+
+get_random_port() {
+    local MIN=${1:-3000}
+    local MAX=${2:-6999}
+
+    while :; do
+        PORT=$(shuf -i "$MIN-$MAX" -n 1)
+        if check_port_available "$PORT"; then
+            echo "$PORT"
+            return
+        fi
+    done
+}
+
+# System checks
+check_root() {
+    if [[ $EUID -ne 0 ]]; then
+        error "Этот скрипт должен быть запущен с правами root"
+        exit 1
+    fi
+}
+
+detect_os() {
+    if [ -f /etc/os-release ]; then
+        . /etc/os-release
+        OS=$ID
+        VER=$VERSION_ID
+    else
+        error "Не удалось определить операционную систему"
+        exit 1
+    fi
+}
+
+# Spinner animation
+spinner() {
+    local pid=$1
+    local text=$2
+    local spinstr='⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏'
+
+    while kill -0 "$pid" 2>/dev/null; do
+        for (( i=0; i<${#spinstr}; i++ )); do
+            printf "\r${GREEN}[%s]${NC} %s" "${spinstr:$i:1}" "$text"
+            sleep 0.1
+        done
+    done
+    printf "\r\033[K"
+}
+
+# Confirmation prompt
+confirm() {
+    local prompt="${1:-Продолжить?}"
+    local default="${2:-n}"
+
+    if [ "$default" = "y" ]; then
+        read -p "$prompt (Y/n): " response
+        response=${response:-y}
+    else
+        read -p "$prompt (y/N): " response
+        response=${response:-n}
+    fi
+
+    [[ "$response" =~ ^[Yy]$ ]]
+}
+
+# Generate random password
+generate_password() {
+    local length=${1:-16}
+    openssl rand -base64 $length | tr -d "=+/" | cut -c1-$length
+}
+
+# Check if command exists
+command_exists() {
+    command -v "$1" >/dev/null 2>&1
+}
+
+# Check if service is running
+service_running() {
+    systemctl is-active --quiet "$1"
+}
+
+# Wait for service to start
+wait_for_service() {
+    local service=$1
+    local timeout=${2:-30}
+    local counter=0
+
+    while [ $counter -lt $timeout ]; do
+        if service_running "$service"; then
+            return 0
+        fi
+        sleep 1
+        ((counter++))
+    done
+
+    return 1
+}
+
+# Export all functions
+export -f log warn error success
+export -f validate_port validate_name check_port_available validate_ip
+export -f get_server_ip get_random_port
+export -f check_root detect_os spinner confirm
+export -f generate_password command_exists service_running wait_for_service