Files
chatgpt-on-wechat/channel/wechatmp/common.py
T
lanvent 7c85c6f742 feat(wechatmp): add support for message encryption
- Add support for message encryption in WeChat MP channel.
- Add `wechatmp_aes_key` configuration item to `config.json`.
2023-04-22 02:33:51 +08:00

61 lines
2.0 KiB
Python

import textwrap
import web
from config import conf
from wechatpy.utils import check_signature
from wechatpy.crypto import WeChatCrypto
from wechatpy.exceptions import InvalidSignatureException
MAX_UTF8_LEN = 2048
class WeChatAPIException(Exception):
pass
def verify_server(data):
try:
signature = data.signature
timestamp = data.timestamp
nonce = data.nonce
echostr = data.get("echostr", None)
token = conf().get("wechatmp_token") # 请按照公众平台官网\基本配置中信息填写
check_signature(token, signature, timestamp, nonce)
return echostr
except InvalidSignatureException:
raise web.Forbidden("Invalid signature")
except Exception as e:
raise web.Forbidden(str(e))
def subscribe_msg():
trigger_prefix = conf().get("single_chat_prefix", [""])[0]
msg = textwrap.dedent(
f"""\
感谢您的关注!
这里是ChatGPT,可以自由对话。
资源有限,回复较慢,请勿着急。
支持语音对话。
支持图片输入。
支持图片输出,画字开头的消息将按要求创作图片。
支持tool、角色扮演和文字冒险等丰富的插件。
输入'{trigger_prefix}#帮助' 查看详细指令。"""
)
return msg
def split_string_by_utf8_length(string, max_length, max_split=0):
encoded = string.encode("utf-8")
start, end = 0, 0
result = []
while end < len(encoded):
if max_split > 0 and len(result) >= max_split:
result.append(encoded[start:].decode("utf-8"))
break
end = min(start + max_length, len(encoded))
# 如果当前字节不是 UTF-8 编码的开始字节,则向前查找直到找到开始字节为止
while end < len(encoded) and (encoded[end] & 0b11000000) == 0b10000000:
end -= 1
result.append(encoded[start:end].decode("utf-8"))
start = end
return result