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| 1 | +#!/usr/bin/env python |
| 2 | +# --coding:utf-8-- |
| 3 | + |
| 4 | +from http.server import BaseHTTPRequestHandler, HTTPServer |
| 5 | +from os import path |
| 6 | +import os |
| 7 | +import json |
| 8 | +from urllib import request, parse |
| 9 | + |
| 10 | + |
| 11 | +APP_ID = os.getenv('FEISHU_APP_ID') |
| 12 | +APP_SECRET = os.getenv("FEISHU_APP_SECRET") |
| 13 | +APP_VERIFICATION_TOKEN = os.getenv("FEISHU_APP_VERIFICATION_TOKEN") |
| 14 | + |
| 15 | +class RequestHandler(BaseHTTPRequestHandler): |
| 16 | + def do_POST(self): |
| 17 | + # 解析请求 body |
| 18 | + req_body = self.rfile.read(int(self.headers['content-length'])) |
| 19 | + obj = json.loads(req_body.decode("utf-8")) |
| 20 | + print(req_body) |
| 21 | + |
| 22 | + # 校验 verification token 是否匹配，token 不匹配说明该回调并非来自开发平台 |
| 23 | + token = obj.get("token", "") |
| 24 | + if token != APP_VERIFICATION_TOKEN: |
| 25 | + print("verification token not match, token =", token) |
| 26 | + self.response("") |
| 27 | + return |
| 28 | + |
| 29 | + # 根据 type 处理不同类型事件 |
| 30 | + type = obj.get("type", "") |
| 31 | + if "url_verification" == type: # 验证请求 URL 是否有效 |
| 32 | + self.handle_request_url_verify(obj) |
| 33 | + elif "event_callback" == type: # 事件回调 |
| 34 | + # 获取事件内容和类型，并进行相应处理，此处只关注给机器人推送的消息事件 |
| 35 | + event = obj.get("event") |
| 36 | + if event.get("type", "") == "message": |
| 37 | + self.handle_message(event) |
| 38 | + return |
| 39 | + return |
| 40 | + |
| 41 | + def handle_request_url_verify(self, post_obj): |
| 42 | + # 原样返回 challenge 字段内容 |
| 43 | + challenge = post_obj.get("challenge", "") |
| 44 | + rsp = {'challenge': challenge} |
| 45 | + self.response(json.dumps(rsp)) |
| 46 | + return |
| 47 | + |
| 48 | + def handle_message(self, event): |
| 49 | + # 此处只处理 text 类型消息，其他类型消息忽略 |
| 50 | + msg_type = event.get("msg_type", "") |
| 51 | + if msg_type != "text": |
| 52 | + print("unknown msg_type =", msg_type) |
| 53 | + self.response("") |
| 54 | + return |
| 55 | + |
| 56 | + # 调用发消息 API 之前，先要获取 API 调用凭证：tenant_access_token |
| 57 | + access_token = self.get_tenant_access_token() |
| 58 | + if access_token == "": |
| 59 | + self.response("") |
| 60 | + return |
| 61 | + |
| 62 | + # 机器人 echo 收到的消息 |
| 63 | + if event.get('text') == 'ding': |
| 64 | + self.send_message(access_token, event.get("open_id"), 'dong') |
| 65 | + self.response("") |
| 66 | + return |
| 67 | + |
| 68 | + def response(self, body): |
| 69 | + self.send_response(200) |
| 70 | + self.send_header('Content-Type', 'application/json') |
| 71 | + self.end_headers() |
| 72 | + self.wfile.write(body.encode()) |
| 73 | + |
| 74 | + def get_tenant_access_token(self): |
| 75 | + url = "https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal/" |
| 76 | + headers = { |
| 77 | + "Content-Type" : "application/json" |
| 78 | + } |
| 79 | + req_body = { |
| 80 | + "app_id": APP_ID, |
| 81 | + "app_secret": APP_SECRET |
| 82 | + } |
| 83 | + |
| 84 | + data = bytes(json.dumps(req_body), encoding='utf8') |
| 85 | + req = request.Request(url=url, data=data, headers=headers, method='POST') |
| 86 | + try: |
| 87 | + response = request.urlopen(req) |
| 88 | + except Exception as e: |
| 89 | + print(e.read().decode()) |
| 90 | + return "" |
| 91 | + |
| 92 | + rsp_body = response.read().decode('utf-8') |
| 93 | + rsp_dict = json.loads(rsp_body) |
| 94 | + code = rsp_dict.get("code", -1) |
| 95 | + if code != 0: |
| 96 | + print("get tenant_access_token error, code =", code) |
| 97 | + return "" |
| 98 | + return rsp_dict.get("tenant_access_token", "") |
| 99 | + |
| 100 | + def send_message(self, token, open_id, text): |
| 101 | + url = "https://open.feishu.cn/open-apis/message/v4/send/" |
| 102 | + |
| 103 | + headers = { |
| 104 | + "Content-Type": "application/json", |
| 105 | + "Authorization": "Bearer " + token |
| 106 | + } |
| 107 | + req_body = { |
| 108 | + "open_id": open_id, |
| 109 | + "msg_type": "text", |
| 110 | + "content": { |
| 111 | + "text": text |
| 112 | + } |
| 113 | + } |
| 114 | + |
| 115 | + data = bytes(json.dumps(req_body), encoding='utf8') |
| 116 | + req = request.Request(url=url, data=data, headers=headers, method='POST') |
| 117 | + try: |
| 118 | + response = request.urlopen(req) |
| 119 | + except Exception as e: |
| 120 | + print(e.read().decode()) |
| 121 | + return |
| 122 | + |
| 123 | + rsp_body = response.read().decode('utf-8') |
| 124 | + rsp_dict = json.loads(rsp_body) |
| 125 | + code = rsp_dict.get("code", -1) |
| 126 | + if code != 0: |
| 127 | + print("send message error, code = ", code, ", msg =", rsp_dict.get("msg", "")) |
| 128 | + |
| 129 | +def run(): |
| 130 | + port = 8000 |
| 131 | + server_address = ('', port) |
| 132 | + httpd = HTTPServer(server_address, RequestHandler) |
| 133 | + print("start.....") |
| 134 | + httpd.serve_forever() |
| 135 | + |
| 136 | +if __name__ == '__main__': |
| 137 | + run() |
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