import requests
from flask import Flask, Response, request

app = Flask(__name__)

@app.route('/')
def proxy_subscription():
    url = 'http://testt.leov.asia/linuxdo/airport.php'
    try:
        # 获取订阅链接
        response = requests.get(url)
        if response.status_code == 200:
            subscription_url = response.text.strip()
            
            # 构造模拟 Clash 的请求头
            headers = {
                'User-Agent': 'Clash',
                'Accept': 'application/vnd.clash.config'
            }
            
            # 获取订阅内容
            subscription_response = requests.get(subscription_url, headers=headers)
            if subscription_response.status_code == 200:
                content = subscription_response.text
                
                # 创建响应对象
                resp = Response(content, mimetype='text/plain')
                
                # 复制重要的头信息
                headers_to_copy = ['subscription-userinfo', 'profile-update-interval', 'content-disposition']
                for header in headers_to_copy:
                    if header in subscription_response.headers:
                        resp.headers[header] = subscription_response.headers[header]
                
                return resp
            else:
                return "Failed to fetch the subscription content", 500
        else:
            return "Failed to fetch the subscription link", 500
    except Exception as e:
        return f"An error occurred: {str(e)}", 500

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=7860)