mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-12-19 01:45:45 +08:00
249 lines
8.7 KiB
Python
249 lines
8.7 KiB
Python
import json
|
||
import urllib.parse
|
||
|
||
import time
|
||
from datetime import datetime
|
||
from typing import Any, Tuple, Union, Optional, TYPE_CHECKING
|
||
|
||
import httpx
|
||
|
||
from nonebot.log import logger
|
||
from nonebot.utils import escape_tag
|
||
from nonebot.typing import overrides
|
||
from nonebot.message import handle_event
|
||
from nonebot.adapters import Bot as BaseBot
|
||
from nonebot.drivers import Driver, HTTPConnection, HTTPRequest, HTTPResponse
|
||
|
||
from .utils import calc_hmac_base64, log
|
||
from .config import Config as DingConfig
|
||
from .message import Message, MessageSegment
|
||
from .exception import NetworkError, ApiNotAvailable, ActionFailed, SessionExpired
|
||
from .event import MessageEvent, PrivateMessageEvent, GroupMessageEvent, ConversationType
|
||
|
||
if TYPE_CHECKING:
|
||
from nonebot.config import Config
|
||
|
||
SEND = "send"
|
||
|
||
|
||
class Bot(BaseBot):
|
||
"""
|
||
钉钉 协议 Bot 适配。继承属性参考 `BaseBot <./#class-basebot>`_ 。
|
||
"""
|
||
ding_config: DingConfig
|
||
|
||
@property
|
||
def type(self) -> str:
|
||
"""
|
||
- 返回: ``"ding"``
|
||
"""
|
||
return "ding"
|
||
|
||
@classmethod
|
||
def register(cls, driver: Driver, config: "Config"):
|
||
super().register(driver, config)
|
||
cls.ding_config = DingConfig(**config.dict())
|
||
|
||
@classmethod
|
||
@overrides(BaseBot)
|
||
async def check_permission(
|
||
cls, driver: Driver,
|
||
request: HTTPConnection) -> Tuple[Optional[str], HTTPResponse]:
|
||
"""
|
||
:说明:
|
||
|
||
钉钉协议鉴权。参考 `鉴权 <https://ding-doc.dingtalk.com/doc#/serverapi2/elzz1p>`_
|
||
"""
|
||
timestamp = request.headers.get("timestamp")
|
||
sign = request.headers.get("sign")
|
||
|
||
# 检查连接方式
|
||
if not isinstance(request, HTTPRequest):
|
||
return None, HTTPResponse(
|
||
405, b"Unsupported connection type, available type: `http`")
|
||
|
||
# 检查 timestamp
|
||
if not timestamp:
|
||
return None, HTTPResponse(400, b"Missing `timestamp` Header")
|
||
|
||
# 检查 sign
|
||
secret = cls.ding_config.secret
|
||
if secret:
|
||
if not sign:
|
||
log("WARNING", "Missing Signature Header")
|
||
return None, HTTPResponse(400, b"Missing `sign` Header")
|
||
sign_base64 = calc_hmac_base64(str(timestamp), secret)
|
||
if sign != sign_base64.decode('utf-8'):
|
||
log("WARNING", "Signature Header is invalid")
|
||
return None, HTTPResponse(403, b"Signature is invalid")
|
||
else:
|
||
log("WARNING", "Ding signature check ignored!")
|
||
return (json.loads(request.body.decode())["chatbotUserId"],
|
||
HTTPResponse(204, b''))
|
||
|
||
@overrides(BaseBot)
|
||
async def handle_message(self, message: bytes):
|
||
data: dict = json.loads(message)
|
||
|
||
if not data:
|
||
return
|
||
|
||
# 判断消息类型，生成不同的 Event
|
||
try:
|
||
conversation_type = data["conversationType"]
|
||
if conversation_type == ConversationType.private:
|
||
event = PrivateMessageEvent.parse_obj(data)
|
||
elif conversation_type == ConversationType.group:
|
||
event = GroupMessageEvent.parse_obj(data)
|
||
else:
|
||
raise ValueError("Unsupported conversation type")
|
||
except Exception as e:
|
||
log("ERROR", "Event Parser Error", e)
|
||
return
|
||
|
||
try:
|
||
await handle_event(self, event)
|
||
except Exception as e:
|
||
logger.opt(colors=True, exception=e).error(
|
||
f"<r><bg #f8bbd0>Failed to handle event. Raw: {escape_tag(str(data))}</bg #f8bbd0></r>"
|
||
)
|
||
return
|
||
|
||
@overrides(BaseBot)
|
||
async def _call_api(self,
|
||
api: str,
|
||
event: Optional[MessageEvent] = None,
|
||
**data) -> Any:
|
||
if self.connection_type != "http":
|
||
log("ERROR", "Only support http connection.")
|
||
return
|
||
|
||
log("DEBUG", f"Calling API <y>{api}</y>")
|
||
params = {}
|
||
# 传入参数有 webhook，则使用传入的 webhook
|
||
webhook = data.get("webhook")
|
||
|
||
if webhook:
|
||
secret = data.get("secret")
|
||
if secret:
|
||
# 有这个参数的时候再计算加签的值
|
||
timestamp = str(round(time.time() * 1000))
|
||
params["timestamp"] = timestamp
|
||
hmac_code_base64 = calc_hmac_base64(timestamp, secret)
|
||
sign = urllib.parse.quote_plus(hmac_code_base64)
|
||
params["sign"] = sign
|
||
else:
|
||
# webhook 不存在则使用 event 中的 sessionWebhook
|
||
if event:
|
||
# 确保 sessionWebhook 没有过期
|
||
if int(datetime.now().timestamp()) > int(
|
||
event.sessionWebhookExpiredTime / 1000):
|
||
raise SessionExpired
|
||
|
||
webhook = event.sessionWebhook
|
||
else:
|
||
raise ApiNotAvailable
|
||
|
||
headers = {}
|
||
message: Message = data.get("message", None)
|
||
if not message:
|
||
raise ValueError("Message not found")
|
||
try:
|
||
async with httpx.AsyncClient(headers=headers) as client:
|
||
response = await client.post(webhook,
|
||
params=params,
|
||
json=message._produce(),
|
||
timeout=self.config.api_timeout)
|
||
|
||
if 200 <= response.status_code < 300:
|
||
result = response.json()
|
||
if isinstance(result, dict):
|
||
if result.get("errcode") != 0:
|
||
raise ActionFailed(errcode=result.get("errcode"),
|
||
errmsg=result.get("errmsg"))
|
||
return result
|
||
raise NetworkError(f"HTTP request received unexpected "
|
||
f"status code: {response.status_code}")
|
||
except httpx.InvalidURL:
|
||
raise NetworkError("API root url invalid")
|
||
except httpx.HTTPError:
|
||
raise NetworkError("HTTP request failed")
|
||
|
||
@overrides(BaseBot)
|
||
async def call_api(self,
|
||
api: str,
|
||
event: Optional[MessageEvent] = None,
|
||
**data) -> Any:
|
||
"""
|
||
:说明:
|
||
|
||
调用 钉钉 协议 API
|
||
|
||
:参数:
|
||
|
||
* ``api: str``: API 名称
|
||
* ``event: Optional[MessageEvent]``: Event 对象
|
||
* ``**data: Any``: API 参数
|
||
|
||
:返回:
|
||
|
||
- ``Any``: API 调用返回数据
|
||
|
||
:异常:
|
||
|
||
- ``NetworkError``: 网络错误
|
||
- ``ActionFailed``: API 调用失败
|
||
"""
|
||
return await super().call_api(api, event=event, **data)
|
||
|
||
@overrides(BaseBot)
|
||
async def send(self,
|
||
event: MessageEvent,
|
||
message: Union[str, "Message", "MessageSegment"],
|
||
at_sender: bool = False,
|
||
webhook: Optional[str] = None,
|
||
secret: Optional[str] = None,
|
||
**kwargs) -> Any:
|
||
"""
|
||
:说明:
|
||
|
||
根据 ``event`` 向触发事件的主体发送消息。
|
||
|
||
:参数:
|
||
|
||
* ``event: Event``: Event 对象
|
||
* ``message: Union[str, Message, MessageSegment]``: 要发送的消息
|
||
* ``at_sender: bool``: 是否 @ 事件主体
|
||
* ``webhook: Optional[str]``: 该条消息将调用的 webhook 地址。不传则将使用 sessionWebhook，若其也不存在，该条消息不发送，使用自定义 webhook 时注意你设置的安全方式，如加关键词，IP地址，加签等等。
|
||
* ``secret: Optional[str]``: 如果你使用自定义的 webhook 地址，推荐使用加签方式对消息进行验证，将 `机器人安全设置页面，加签一栏下面显示的SEC开头的字符串` 传入这个参数即可。
|
||
* ``**kwargs``: 覆盖默认参数
|
||
|
||
:返回:
|
||
|
||
- ``Any``: API 调用返回数据
|
||
|
||
:异常:
|
||
|
||
- ``ValueError``: 缺少 ``user_id``, ``group_id``
|
||
- ``NetworkError``: 网络错误
|
||
- ``ActionFailed``: API 调用失败
|
||
"""
|
||
msg = message if isinstance(message, Message) else Message(message)
|
||
|
||
at_sender = at_sender and bool(event.senderId)
|
||
params = {}
|
||
params["event"] = event
|
||
if webhook:
|
||
params["webhook"] = webhook
|
||
params["secret"] = secret
|
||
params.update(kwargs)
|
||
|
||
if at_sender and event.conversationType != ConversationType.private:
|
||
params[
|
||
"message"] = f"@{event.senderId} " + msg + MessageSegment.atDingtalkIds(
|
||
event.senderId)
|
||
else:
|
||
params["message"] = msg
|
||
|
||
return await self.call_api(SEND, **params)
|