import time
import hmac
import hashlib
import base64
import requests
import json

# 飞书Webhook URL
webhook_url = 'https://open.feishu.cn/open-apis/bot/v2/hook/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx'

# 飞书Webhook密钥
secret = 'xxxxxxxxxxxxxxxxxxxxxx'

def gen_sign(timestamp, secret):
    # 拼接timestamp和secret
    string_to_sign = '{}\n{}'.format(timestamp, secret)
    hmac_code = hmac.new(string_to_sign.encode("utf-8"), digestmod=hashlib.sha256).digest()
    # 对结果进行base64处理
    sign = base64.b64encode(hmac_code).decode('utf-8')
    return sign

def send_message_to_feishu_webhook(webhook_url, secret, message):
    # 获取当前时间戳
    timestamp = int(time.time())
    
    # 计算签名
    sign = gen_sign(timestamp, secret)
    
    # 设置请求头
    headers = {
        'Content-Type': 'application/json'
    }
    
    # 设置请求体
    payload = {
        'timestamp': str(timestamp),
        'sign': sign,
        'msg_type': 'text',
        'content': {
            'text': message
        }
    }
    
    # 发送POST请求
    response = requests.post(webhook_url, headers=headers, data=json.dumps(payload))
    
    # 输出响应内容
    print(response.json())

# 要发送的消息内容
message = 'Hello, Feishu! This is a test message.'

# 发送消息到飞书Webhook
send_message_to_feishu_webhook(webhook_url, secret, message)