需求原因

中东的一个客户提供的api是谷歌云函数地址
国内是无法访问谷歌服务的
所以请求需要在香港服务器中转转发给谷歌云函数

python脚本

from flask import Flask, request, Response, jsonify
import requests
from functools import partial

app = Flask(__name__)

# 定义目标 URL
TARGET_URLS = {
    'forward1': 'https://asia-east2-xxxxxxxx.cloudfunctions.net',
    'usr2': 'https://example.com/other_endpoint',
    'another_endpoint': 'https://example.com/another_endpoint'
}

# 动态创建路由
for key, target_url in TARGET_URLS.items():
    def create_route(key, target_url):
        def forward_func(path):
            # 打印请求内容
            print(f"Received {request.method} request to {key}/{path}")
            print(f"Request JSON data: {request.json if request.method == 'POST' or request.method == 'PUT' else request.args.to_dict()}")

            # 发送请求到目标 URL
            data = request.json if request.method == 'POST' or request.method == 'PUT' else request.args.to_dict()
            headers = {'Content-Type': 'application/json'}
            full_target_url = f"{target_url}/{path}"

            if request.method == 'GET':
                response = requests.get(full_target_url, params=data, headers=headers)
            elif request.method == 'POST':
                response = requests.post(full_target_url, json=data, headers=headers)
            elif request.method == 'PUT':
                response = requests.put(full_target_url, json=data, headers=headers)

            # 打印返回内容
            print(f"Response content: {response.content}")

            return Response(response.content, status=response.status_code, content_type=response.headers.get('Content-Type'))

        forward_func.__name__ = f'{key}_endpoint'
        app.route(f'/{key}/<path:path>', methods=['GET', 'POST', 'PUT'])(forward_func)

    create_route(key, target_url)

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=5000)
#关键字+URL 使用ps : curl http://localhost:5000/forward1/some_path OR http://localhost:5000/usr2/another_path