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| # encoding:utf-8
import json
import hmac
import hashlib
import base64
import time
import requests
from urllib.parse import quote_plus
from common import log
from flask import Flask, request, render_template, make_response
from common import const
from common import functions
from config import channel_conf
from config import channel_conf_val
from channel.channel import Channel
class DingTalkHandler():
def __init__(self, config):
self.dingtalk_key = config.get('dingtalk_key')
self.dingtalk_secret = config.get('dingtalk_secret')
self.dingtalk_token = config.get('dingtalk_token')
self.dingtalk_post_token = config.get('dingtalk_post_token')
self.access_token = None
log.info("[DingTalk] AppKey={}, AppSecret={} Token={} post Token={}".format(self.dingtalk_key, self.dingtalk_secret, self.dingtalk_token, self.dingtalk_post_token))
def notify_dingtalk_webhook(self, data):
timestamp = round(time.time() * 1000)
secret_enc = bytes(self.dingtalk_secret, encoding='utf-8')
string_to_sign = '{}\n{}'.format(timestamp, self.dingtalk_secret)
string_to_sign_enc = bytes(string_to_sign, encoding='utf-8')
hmac_code = hmac.new(secret_enc, string_to_sign_enc,
digestmod=hashlib.sha256).digest()
sign = quote_plus(base64.b64encode(hmac_code))
notify_url = f"https://oapi.dingtalk.com/robot/send?access_token={self.dingtalk_token}×tamp={timestamp}&sign={sign}"
try:
log.info("[DingTalk] url={}".format(str(notify_url)))
r = requests.post(notify_url, json=data)
reply = r.json()
log.info("[DingTalk] reply={}".format(str(reply)))
except Exception as e:
log.error(e)
def get_token_internal(self):
access_token_url = 'https://api.dingtalk.com/v1.0/oauth2/accessToken'
try:
r = requests.post(access_token_url, json={"appKey": self.dingtalk_key, "appSecret": self.dingtalk_secret})
except:
raise Exception("DingTalk token获取失败!!!")
data = json.loads(r.content)
access_token = data['accessToken']
expire_in = data['expireIn']
self.access_token = access_token
self.expire_at = int(expire_in) + time.time()
return self.access_token
def get_token(self):
if self.access_token is None or self.expire_at <= time.time():
self.get_token_internal()
return self.access_token
def get_post_url(self, data):
type = data['conversationType']
if type == "1":
return f"https://api.dingtalk.com/v1.0/robot/oToMessages/batchSend"
else:
return f"https://api.dingtalk.com/v1.0/robot/groupMessages/send"
def build_response(self, reply, data):
type = data['conversationType']
if type == "1":
return self.build_oto_response(reply, data)
else:
return self.build_group_response(reply, data)
def build_oto_response(self, reply, data):
conversation_id = data['conversationId']
prompt = data['text']['content']
prompt = prompt.strip()
img_match_prefix = functions.check_prefix(
prompt, channel_conf_val(const.DINGTALK, 'image_create_prefix'))
nick = data['senderNick']
staffid = data['senderStaffId']
robotCode = data['robotCode']
if img_match_prefix and isinstance(reply, list):
images = ""
for url in reply:
images += f"\n"
reply = images
resp = {
"msgKey": "sampleMarkdown",
"msgParam": json.dumps({
"title": "IMAGE @" + nick + " ",
"text": images + " \n " + "@" + nick
}),
"robotCode": robotCode,
"userIds": [staffid]
}
else:
resp = {
"msgKey": "sampleText",
"msgParam": json.dumps({
"content": reply
}),
"robotCode": robotCode,
"userIds": [staffid]
}
return resp
def build_group_response(self, reply, data):
conversation_id = data['conversationId']
prompt = data['text']['content']
prompt = prompt.strip()
img_match_prefix = functions.check_prefix(
prompt, channel_conf_val(const.DINGTALK, 'image_create_prefix'))
nick = data['senderNick']
staffid = data['senderStaffId']
robot_code = data['robotCode']
if img_match_prefix and isinstance(reply, list):
images = ""
for url in reply:
images += f"\n"
reply = images
resp = {
"msgKey": "sampleMarkdown",
"msgParam": json.dumps({
"title": "IMAGE @" + nick + " ",
"text": images + " \n " + "@" + nick
}),
"robotCode": robot_code,
"openConversationId": conversation_id,
"at": {
"atUserIds": [
staffid
],
"isAtAll": False
}
}
else:
resp = {
"msgKey": "sampleText",
"msgParam": json.dumps({
"content": reply + " \n " + "@" + nick
}),
"robotCode": robot_code,
"openConversationId": conversation_id,
"at": {
"atUserIds": [
staffid
],
"isAtAll": False
}
}
return resp
def build_webhook_response(self, reply, data):
conversation_id = data['conversationId']
prompt = data['text']['content']
prompt = prompt.strip()
img_match_prefix = functions.check_prefix(
prompt, channel_conf_val(const.DINGTALK, 'image_create_prefix'))
nick = data['senderNick']
staffid = data['senderStaffId']
robotCode = data['robotCode']
if img_match_prefix and isinstance(reply, list):
images = ""
for url in reply:
images += f"\n"
reply = images
resp = {
"msgtype": "markdown",
"markdown": {
"title": "IMAGE @" + nick + " ",
"text": images + " \n " + "@" + nick
},
"at": {
"atUserIds": [
staffid
],
"isAtAll": False
}
}
else:
resp = {
"msgtype": "text",
"text": {
"content": reply
},
"at": {
"atUserIds": [
staffid
],
"isAtAll": False
}
}
return resp
def chat(self, channel, data):
reply = channel.handle(data)
type = data['conversationType']
if type == "1":
reply_json = self.build_response(reply, data)
self.notify_dingtalk(data, reply_json)
else:
# group的不清楚怎么@，先用webhook调用
reply_json = self.build_webhook_response(reply, data)
self.notify_dingtalk_webhook(reply_json)
def notify_dingtalk(self, data, reply_json):
headers = {
'content-type': 'application/json',
'x-acs-dingtalk-access-token': self.get_token()
}
notify_url = self.get_post_url(data)
try:
r = requests.post(notify_url, json=reply_json, headers=headers)
resp = r.json()
log.info("[DingTalk] response={}".format(str(resp)))
except Exception as e:
log.error(e)
class DingTalkChannel(Channel):
def __init__(self):
log.info("[DingTalk] started.")
def startup(self):
http_app.run(host='0.0.0.0', port=channel_conf(const.DINGTALK).get('port'))
def handle(self, data):
reply = "您好，有什么我可以帮助您解答的问题吗？"
prompt = data['text']['content']
prompt = prompt.strip()
if str(prompt) != 0:
conversation_id = data['conversationId']
sender_id = data['senderId']
context = dict()
img_match_prefix = functions.check_prefix(
prompt, channel_conf_val(const.DINGTALK, 'image_create_prefix'))
if img_match_prefix:
prompt = prompt.split(img_match_prefix, 1)[1].strip()
context['type'] = 'IMAGE_CREATE'
id = sender_id
context['from_user_id'] = str(id)
reply = super().build_reply_content(prompt, context)
return reply
dd = DingTalkChannel()
handlers = dict()
robots = channel_conf(const.DINGTALK).get('dingtalk_robots')
if robots and len(robots) > 0:
for robot in robots:
robot_config = channel_conf(const.DINGTALK).get(robot)
robot_key = robot_config.get('dingtalk_key')
group_name = robot_config.get('dingtalk_group')
handlers[group_name or robot_key] = DingTalkHandler(robot_config)
else:
handlers['DEFAULT'] = DingTalkHandler(channel_conf(const.DINGTALK))
http_app = Flask(__name__,)
@http_app.route("/", methods=['POST'])
def chat():
log.info("[DingTalk] chat_headers={}".format(str(request.headers)))
log.info("[DingTalk] chat={}".format(str(request.data)))
token = request.headers.get('token')
data = json.loads(request.data)
if data:
content = data['text']['content']
if not content:
return
code = data['robotCode']
group_name = None
if 'conversationTitle' in data:
group_name = data['conversationTitle']
handler = handlers.get(group_name, handlers.get(code, handlers.get('DEFAULT')))
if handler.dingtalk_post_token and token != handler.dingtalk_post_token:
return {'ret': 203}
handler.chat(dd, data)
return {'ret': 200}
return {'ret': 201}
|
