#!/usr/bin/env python3
"""
CSRF问题修复验证脚本
验证API和Web表单的CSRF配置是否正确
"""
import requests
import sys
from urllib.parse import urljoin


def test_api_without_csrf():
    """测试API是否豁免CSRF"""
    print("=" * 60)
    print("🔍 测试API CSRF豁免")
    print("=" * 60)

    base_url = "http://localhost:5000"

    # 测试健康检查端点
    print("\n1. 测试健康检查端点...")
    try:
        response = requests.get(f"{base_url}/api/v1/health", timeout=5)
        if response.status_code == 200:
            print("   ✅ 健康检查端点正常")
            print(f"   响应: {response.json()}")
        else:
            print(f"   ⚠️  健康检查返回状态码: {response.status_code}")
    except Exception as e:
        print(f"   ❌ 健康检查失败: {str(e)}")
        return False

    # 测试需要认证的API（应该返回401而不是400）
    print("\n2. 测试需要认证的API...")
    test_endpoints = [
        "/api/v1/licenses",
        "/api/v1/products"
    ]

    for endpoint in test_endpoints:
        try:
            # GET请求（不应该需要CSRF）
            response = requests.get(urljoin(base_url, endpoint), timeout=5)

            if response.status_code == 400:
                print(f"   ❌ {endpoint} 返回400 - 可能是CSRF错误")
                return False
            elif response.status_code == 401:
                print(f"   ✅ {endpoint} 返回401 - 未认证（正确）")
            elif response.status_code == 200:
                print(f"   ✅ {endpoint} 返回200 - 成功")
            else:
                print(f"   ⚠️  {endpoint} 返回状态码: {response.status_code}")

        except Exception as e:
            print(f"   ❌ {endpoint} 请求失败: {str(e)}")
            return False

    return True


def check_csrf_configuration():
    """检查CSRF配置"""
    print("\n" + "=" * 60)
    print("🔧 检查CSRF配置")
    print("=" * 60)

    try:
        # 检查app/__init__.py中的CSRF配置
        with open('app/__init__.py', 'r', encoding='utf-8') as f:
            content = f.read()

        if 'csrf.exempt(api_bp)' in content:
            print("   ✅ 已配置API CSRF豁免")
        else:
            print("   ❌ 未找到API CSRF豁免配置")
            return False

        if 'csrf.init_app(app)' in content:
            print("   ✅ CSRF已初始化")
        else:
            print("   ❌ CSRF未初始化")
            return False

        return True

    except Exception as e:
        print(f"   ❌ 检查配置文件失败: {str(e)}")
        return False


def test_web_form_csrf():
    """测试Web表单CSRF保护"""
    print("\n" + "=" * 60)
    print("🔐 测试Web表单CSRF保护")
    print("=" * 60)

    base_url = "http://localhost:5000"

    try:
        # 获取登录页面
        response = requests.get(f"{base_url}/login", timeout=5)

        if response.status_code == 200:
            print("   ✅ 登录页面可访问")

            # 检查是否包含CSRF token
            if 'csrf_token' in response.text or 'name="csrf_token"' in response.text:
                print("   ✅ 登录页面包含CSRF token")
            else:
                print("   ⚠️  登录页面未找到CSRF token")
        else:
            print(f"   ⚠️  登录页面返回状态码: {response.status_code}")

    except Exception as e:
        print(f"   ❌ 测试Web表单失败: {str(e)}")
        return False

    return True


def generate_report():
    """生成检查报告"""
    print("\n" + "=" * 60)
    print("📊 CSRF问题修复验证报告")
    print("=" * 60)

    checks = [
        ("API CSRF豁免配置", check_csrf_configuration),
        ("API豁免CSRF测试", test_api_without_csrf),
        ("Web表单CSRF保护", test_web_form_csrf)
    ]

    results = []
    for name, check_func in checks:
        try:
            result = check_func()
            results.append((name, result))
        except Exception as e:
            print(f"❌ {name}检查失败: {str(e)}")
            results.append((name, False))

    # 总结
    print("\n" + "=" * 60)
    print("📋 检查结果汇总")
    print("=" * 60)

    all_passed = True
    for name, passed in results:
        status = "✅ 通过" if passed else "❌ 失败"
        print(f"{name:25s}: {status}")
        if not passed:
            all_passed = False

    print("\n" + "=" * 60)
    if all_passed:
        print("✅ 所有检查通过！CSRF问题已修复")
        print("\n💡 后续建议:")
        print("   1. 重启应用以应用修复")
        print("   2. 测试所有API端点")
        print("   3. 确认Web表单仍受CSRF保护")
    else:
        print("⚠️  发现问题，请检查上述详细信息")
    print("=" * 60)

    return all_passed


def main():
    """主函数"""
    print("🔧 KaMiXiTong CSRF问题修复验证工具")
    print("检查API和Web表单的CSRF配置是否正确")

    # 检查应用是否运行
    try:
        response = requests.get("http://localhost:5000/api/v1/health", timeout=3)
        if response.status_code != 200:
            print("\n⚠️  应用似乎未运行或无法访问")
            print("请先启动应用: flask run --host=0.0.0.0 --port=5000")
            print("然后重新运行此脚本")
            sys.exit(1)
    except Exception as e:
        print("\n⚠️  无法连接到应用")
        print(f"错误: {str(e)}")
        print("请先启动应用: flask run --host=0.0.0.0 --port=5000")
        print("然后重新运行此脚本")
        sys.exit(1)

    passed = generate_report()
    sys.exit(0 if passed else 1)


if __name__ == '__main__':
    main()