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https://github.com/zhayujie/bot-on-anything.git
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257 lines
10 KiB
Python
257 lines
10 KiB
Python
# encoding:utf-8
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"""
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wechat channel
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"""
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import time
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import itchat
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import json
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import re
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from itchat.content import *
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from channel.channel import Channel
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from concurrent.futures import ThreadPoolExecutor
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from common.log import logger
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from common import const
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from config import channel_conf_val
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import requests
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from plugins.plugin_manager import *
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from common.sensitive_word import SensitiveWord
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import io
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thread_pool = ThreadPoolExecutor(max_workers=8)
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sw = SensitiveWord()
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@itchat.msg_register(TEXT)
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def handler_single_msg(msg):
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WechatChannel().handle(msg)
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return None
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@itchat.msg_register(TEXT, isGroupChat=True)
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def handler_group_msg(msg):
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WechatChannel().handle_group(msg)
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return None
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class WechatChannel(Channel):
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def __init__(self):
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pass
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def startup(self):
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# login by scan QRCode
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hot_reload = channel_conf_val(const.WECHAT, 'hot_reload', True)
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if channel_conf_val(const.WECHAT, 'receive_qrcode_api'):
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itchat.auto_login(enableCmdQR=2, hot_reload=hot_reload, qrCallback=self.login)
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else:
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itchat.auto_login(enableCmdQR=2, hotReload=hot_reload)
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# start message listener
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itchat.run()
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def login(self, uuid=None, status='0', qrcode=None):
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print('uuid:', uuid)
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print('status:', status)
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# 请将链接转发到外部接口，并在外部自行通过二维码生成库将链接转换为二维码后展示，例如：将下方的 qrcode_link 通过草料二维码进行处理后，再通过手机端扫码登录微信小号
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print('qrcode_link:', 'https://login.weixin.qq.com/l/'+uuid)
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def handle(self, msg):
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logger.debug("[WX]receive msg: " + json.dumps(msg, ensure_ascii=False))
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from_user_id = msg['FromUserName']
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to_user_id = msg['ToUserName'] # 接收人id
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other_user_id = msg['User']['UserName'] # 对手方id
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create_time = msg['CreateTime'] # 消息时间
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content = msg['Text']
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hot_reload = channel_conf_val(const.WECHAT, 'hot_reload', True)
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if hot_reload == True and int(create_time) < int(time.time()) - 60: # 跳过1分钟前的历史消息
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logger.debug("[WX]history message skipped")
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return
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# 调用敏感词检测函数
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if sw.process_text(content):
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self.send('请检查您的输入是否有违规内容', from_user_id)
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return
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match_prefix = self.check_prefix(content, channel_conf_val(const.WECHAT, 'single_chat_prefix'))
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if from_user_id == other_user_id and match_prefix is not None:
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# 好友向自己发送消息
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if match_prefix != '':
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str_list = content.split(match_prefix, 1)
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if len(str_list) == 2:
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content = str_list[1].strip()
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thread_pool.submit(self._do_send, content, from_user_id)
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elif to_user_id == other_user_id and match_prefix:
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# 自己给好友发送消息
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str_list = content.split(match_prefix, 1)
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if len(str_list) == 2:
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content = str_list[1].strip()
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thread_pool.submit(self._do_send, content, to_user_id)
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def handle_group(self, msg):
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logger.debug("[WX]receive group msg: " + json.dumps(msg, ensure_ascii=False))
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group_name = msg['User'].get('NickName', None)
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group_id = msg['User'].get('UserName', None)
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create_time = msg['CreateTime'] # 消息时间
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hot_reload = channel_conf_val(const.WECHAT, 'hot_reload', True)
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if hot_reload == True and int(create_time) < int(time.time()) - 60: # 跳过1分钟前的历史消息
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logger.debug("[WX]history message skipped")
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return
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if not group_name:
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return None
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origin_content = msg['Content']
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content = msg['Content']
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content_list = content.split(' ', 1)
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context_special_list = content.split('\u2005', 1)
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if len(context_special_list) == 2:
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content = context_special_list[1]
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elif len(content_list) == 2:
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content = content_list[1]
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match_prefix = (msg['IsAt'] and not channel_conf_val(const.WECHAT, "group_at_off", False)) or self.check_prefix(origin_content, channel_conf_val(const.WECHAT, 'group_chat_prefix')) or self.check_contain(origin_content, channel_conf_val(const.WECHAT, 'group_chat_keyword'))
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# 如果在群里被at了 或 触发机器人关键字，则调用敏感词检测函数
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if match_prefix is True:
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if sw.process_text(content):
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self.send('请检查您的输入是否有违规内容', group_id)
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return
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group_white_list = channel_conf_val(const.WECHAT, 'group_name_white_list')
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if ('ALL_GROUP' in group_white_list or group_name in group_white_list or self.check_contain(group_name, channel_conf_val(const.WECHAT, 'group_name_keyword_white_list'))) and match_prefix:
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thread_pool.submit(self._do_send_group, content, msg)
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return None
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def send(self, msg, receiver):
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logger.info('[WX] sendMsg={}, receiver={}'.format(msg, receiver))
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reply_type = self.determine_type(msg)
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if reply_type == "text":
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itchat.send(msg, toUserName=receiver)
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elif reply_type == "img_url":
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image_storage = self.dowdload_img_url(msg)
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itchat.send_image(image_storage, toUserName=receiver)
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elif reply_type == "file_url":
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image_storage = self.dowdload_img_url(msg)
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itchat.send_file(image_storage, toUserName=receiver)
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else:
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return None
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def determine_type(self, msg):
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# 正则表达式来匹配URL
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url_pattern = re.compile(
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r'^(?:http|ftp)s?://' # http:// or https://
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r'(?:\S+(?::\S*)?@)?' # 用户名和密码
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r'(?:[A-Za-z0-9-]+\.)+[A-Za-z]{2,6}' # 域名
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r'(?:/?|[/?]\S+)$', re.IGNORECASE)
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# 检查是否是URL
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if re.match(url_pattern, msg):
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# 如果是URL，进一步检查是不是图片链接
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if any(msg.endswith(extension) for extension in ['.jpg', '.jpeg', '.png', '.gif', '.bmp', '.svg']):
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return "img_url"
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# 检查是否是其他类型的文件链接
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elif any(msg.endswith(extension) for extension in
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['.pdf', '.txt', '.doc', '.docx', '.xls', '.xlsx', '.zip', '.rar']):
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return "img_file"
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else:
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return "others"
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else:
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return "text"
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def _do_send(self, query, reply_user_id):
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try:
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if not query:
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return
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context = dict()
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context['from_user_id'] = reply_user_id
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context['channel'] = self
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e_context = PluginManager().emit_event(EventContext(Event.ON_HANDLE_CONTEXT, {
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'channel': self, 'context': query, "args": context}))
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reply = e_context['reply']
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if not e_context.is_pass():
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reply = super().build_reply_content(e_context["context"], e_context["args"])
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e_context = PluginManager().emit_event(EventContext(Event.ON_DECORATE_REPLY, {
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'channel': self, 'context': context, 'reply': reply, "args": e_context["args"]}))
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reply = e_context['reply']
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if reply:
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self.send(channel_conf_val(const.WECHAT, "single_chat_reply_prefix") + reply, reply_user_id)
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except Exception as e:
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logger.exception(e)
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def _do_send_img(self, query, context):
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try:
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if not query:
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return
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reply_user_id=context['from_user_id']
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img_urls = super().build_reply_content(query, context)
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if not img_urls:
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return
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if not isinstance(img_urls, list):
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self.send(channel_conf_val(const.WECHAT, "single_chat_reply_prefix") + img_urls, reply_user_id)
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return
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for url in img_urls:
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# 图片下载
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pic_res = requests.get(url, stream=True)
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image_storage = io.BytesIO()
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for block in pic_res.iter_content(1024):
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image_storage.write(block)
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image_storage.seek(0)
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# 图片发送
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logger.info('[WX] sendImage, receiver={}'.format(reply_user_id))
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itchat.send_image(image_storage, reply_user_id)
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except Exception as e:
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logger.exception(e)
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def dowdload_img_url(self, url):
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pic_res = requests.get(url, stream=True)
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image_storage = io.BytesIO()
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for block in pic_res.iter_content(1024):
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image_storage.write(block)
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image_storage.seek(0)
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return image_storage
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def _do_send_group(self, query, msg):
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if not query:
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return
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context = dict()
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context['from_user_id'] = msg['User']['UserName']
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context['channel'] = self
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e_context = PluginManager().emit_event(EventContext(Event.ON_HANDLE_CONTEXT, {
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'channel': self, 'context': query, "args": context}))
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reply = e_context['reply']
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if not e_context.is_pass():
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context['from_user_id'] = msg['ActualUserName']
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reply = super().build_reply_content(e_context["context"], e_context["args"])
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e_context = PluginManager().emit_event(EventContext(Event.ON_DECORATE_REPLY, {
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'channel': self, 'context': context, 'reply': reply, "args": e_context["args"]}))
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reply = e_context['reply']
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if reply:
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reply = '@' + msg['ActualNickName'] + ' ' + reply.strip()
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self.send(channel_conf_val(const.WECHAT, "group_chat_reply_prefix", "") + reply, msg['User']['UserName'])
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def check_prefix(self, content, prefix_list):
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for prefix in prefix_list:
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if content.startswith(prefix):
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return prefix
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return None
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def check_contain(self, content, keyword_list):
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if not keyword_list:
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return None
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for ky in keyword_list:
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if content.find(ky) != -1:
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return True
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return None
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