334 行
10 KiB
Python
334 行
10 KiB
Python
import requests
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import bs4
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import youtube_dl
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import random
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import configparser
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import re
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import io
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import os
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import mimetypes
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import asyncio
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from collections import defaultdict
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from PythonSed import Sed
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from slixmpp import ClientXMPP
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from urllib.parse import urlparse, parse_qs, urlunparse
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from pantomime import normalize_mimetype
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import cgi
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sed_parse = re.compile("(?<!\\\\)[/#]")
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sed_cmd = re.compile("^s[/#].*[/#].*[/#]")
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parser = "html.parser"
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user_agent = "Mozilla/5.0 (X11; Linux x86_64; rv:10.0)"
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" Gecko/20100101 Firefox/10.0"
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accept_lang = "en-US"
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data_limit = 100000000 # 100MB
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headers = {
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"user-agent": user_agent,
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"Accept-Language": accept_lang,
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"Cache-Control": "no-cache",
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}
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youtube_links = ["www.youtube.com", "m.youtube.com"]
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youtube_link = "youtu.be"
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ydl = youtube_dl.YoutubeDL()
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invidious_instances = ["invidious.snopyta.org"]
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block_list = ("localhost", "127.0.0.1", "0.0.0.0")
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req_list = ("http://", "https://")
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html_files = ("text/html", "application/xhtml+xml")
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class Lifo(list):
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"""
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Limited size LIFO array to store messages and urls
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"""
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def __init__(self, size):
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super().__init__()
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self.size = size
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def add(self, item):
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self.insert(0, item)
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if len(self) > self.size:
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self.pop()
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def get_youtube_title(url):
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try:
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info = ydl.extract_info(url, download=False)
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return info["title"]
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except Exception:
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return ""
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def get_invidious_link(yurl):
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video = yurl.split("/")[-1]
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instance = random.choice(invidious_instances)
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return f"https://{instance}/watch?v={video}"
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def get_yurl(path):
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yurl = f"https://youtu.be/{path}"
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return yurl
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class AngelBot(ClientXMPP):
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messages = defaultdict(
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lambda: {
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"messages": Lifo(100),
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"links": Lifo(10),
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"previews": Lifo(10),
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}
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)
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def get_urls(self, msg):
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str_list = msg["body"].strip().split()
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urls = [u for u in str_list if any(r in u for r in req_list)]
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return urls
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def send_youtube_info(self, uri, sender, mtype):
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if uri.netloc == youtube_link:
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yurl = get_yurl(uri.path)
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elif "v" in (query := parse_qs(uri.query)):
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if v := query["v"]:
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yurl = get_yurl(v[0])
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else:
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return
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if output := get_youtube_title(yurl):
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if output in self.messages[sender]["previews"]:
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return
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self.messages[sender]["previews"].add(output)
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invidious = get_invidious_link(yurl)
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self.send_message(mto=sender, mbody=f"*{output}*", mtype=mtype)
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self.send_message(mto=sender, mbody=invidious, mtype=mtype)
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async def parse_uri(self, uri, sender, mtype):
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netloc = uri.netloc
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if netloc in (youtube_links + [youtube_link]):
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self.send_youtube_info(uri, sender, mtype)
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elif netloc.split(":")[0] in block_list:
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return
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else:
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await self.process_link(uri, sender, mtype)
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async def process_link(self, uri, sender, mtype):
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url = urlunparse(uri)
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r = requests.get(url, stream=True, headers=headers, timeout=5)
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if not r.ok:
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return
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ftype = normalize_mimetype(r.headers.get("content-type"))
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if ftype in html_files:
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data = ""
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for i in r.iter_content(chunk_size=1024, decode_unicode=False):
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data += i.decode("utf-8", errors="ignore")
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if len(data) > data_limit or "</head>" in data.lower():
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break
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soup = bs4.BeautifulSoup(data, parser)
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if title := soup.find("title"):
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output = title.text.strip()
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if output:
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output = f"*{output}*" if ("\n" not in output) else output
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if output in self.messages[sender]["previews"]:
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return
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self.messages[sender]["previews"].add(output)
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if r.history:
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self.send_message(mto=sender, mbody=r.url, mtype=mtype)
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self.send_message(mto=sender, mbody=output, mtype=mtype)
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else:
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try:
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lenght = 0
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outfile = io.BytesIO()
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for chunk in r.iter_content(
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chunk_size=512,
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decode_unicode=False,
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):
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lenght += 512
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if lenght >= data_limit:
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return
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outfile.write(chunk)
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content_disposition = r.headers.get("content-disposition")
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_, params = cgi.parse_header(content_disposition)
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filename = params.get("filename")
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ext = os.path.splitext(filename)[1] if filename else None or ".bin"
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fname = filename or uri.path.strip("/").split("/")[-1] or f"file{ext}"
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await self.embed_file(url, sender, mtype, ftype, fname, outfile)
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except Exception:
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...
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async def embed_file(self, url, sender, mtype, ftype, fname, outfile):
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furl = await self.plugin["xep_0363"].upload_file(
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fname, content_type=ftype, input_file=outfile
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)
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message = self.make_message(sender)
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message["body"] = furl
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message["type"] = mtype
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message["oob"]["url"] = furl
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message.send()
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async def parse_urls(self, msg, urls, sender, mtype):
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if "nsfw" in msg["body"].lower():
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return
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for u in urls:
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if u in self.messages[sender]["links"]:
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continue
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else:
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self.messages[sender]["links"].add(u)
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uri = urlparse(u)
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await self.parse_uri(uri, sender, mtype)
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def sed_command(self, msg, sender, mtype):
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try:
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text = msg["body"]
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if not sed_cmd.match(text):
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self.messages[sender]["messages"].add(text)
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return
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sed_args = sed_parse.split(text)
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if len(sed_args) < 4:
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return
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sed = Sed()
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sed.load_string(text)
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for message in self.messages[sender]["messages"]:
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if sed_args[1] not in message:
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continue
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msg = io.StringIO(message)
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res = "\n".join(sed.apply(msg, None))
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self.messages[sender]["messages"].add(res)
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return self.send_message(
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mto=sender,
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mbody=res,
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mtype=mtype,
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)
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except Exception:
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return
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def __init__(self, jid, password, nick="angel", autojoin=None):
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ClientXMPP.__init__(self, jid, password)
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self.jid = jid
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self.nick = nick
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self.autojoin = autojoin or []
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self.register_plugin("xep_0030")
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self.register_plugin("xep_0060")
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self.register_plugin("xep_0054")
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self.register_plugin("xep_0045")
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self.register_plugin("xep_0066")
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self.register_plugin("xep_0084")
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self.register_plugin("xep_0153")
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self.register_plugin("xep_0363")
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self.add_event_handler("session_start", self.session_start)
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self.add_event_handler("message", self.message)
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self.add_event_handler("groupchat_message", self.muc_message)
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# self.add_event_handler("vcard_avatar_update", self.debug_event)
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# self.add_event_handler("stream_error", self.debug_event)
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self.add_event_handler("disconnected", lambda _: self.connect())
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async def session_start(self, event):
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self.send_presence()
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await self.get_roster()
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await self.update_info()
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for channel in self.autojoin:
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try:
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self.plugin["xep_0045"].join_muc(channel, self.nick)
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except:
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...
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async def update_info(self):
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with open("angel.png", "rb") as avatar_file:
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avatar = avatar_file.read()
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avatar_type = "image/png"
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avatar_id = self.plugin["xep_0084"].generate_id(avatar)
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avatar_bytes = len(avatar)
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info = {
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"id": avatar_id,
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"type": avatar_type,
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"bytes": avatar_bytes,
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}
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vcard = self.plugin["xep_0054"].make_vcard()
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vcard["URL"] = "https://gt.kalli.st/czar/angel"
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asyncio.gather(self.plugin["xep_0054"].publish_vcard(vcard))
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asyncio.gather(self.plugin["xep_0084"].publish_avatar(avatar))
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asyncio.gather(
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self.plugin["xep_0153"].set_avatar(
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avatar=avatar,
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mtype=avatar_type,
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)
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)
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asyncio.gather(self.plugin["xep_0084"].publish_avatar_metadata([info]))
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async def message(self, msg):
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if msg["type"] in ("chat", "normal"):
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mtype = "chat"
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sender = msg["from"].bare
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edit = "urn:xmpp:message-correct:0" in str(msg)
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if edit:
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return
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try:
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if not msg["oob"]["url"]:
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if urls := self.get_urls(msg):
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await self.parse_urls(msg, urls, sender, mtype)
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except Exception:
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...
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self.sed_command(msg, sender, mtype)
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async def muc_message(self, msg):
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if msg["type"] in ("groupchat", "normal"):
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mtype = "groupchat"
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sender = msg["from"].bare
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if msg["mucnick"] == self.nick:
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return
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edit = "urn:xmpp:message-correct:0" in str(msg)
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if edit:
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return
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try:
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if not msg["oob"]["url"]:
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if urls := self.get_urls(msg):
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await self.parse_urls(msg, urls, sender, mtype)
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except Exception:
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pass
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self.sed_command(msg, sender, mtype)
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if __name__ == "__main__":
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config = configparser.ConfigParser()
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config.read("config.ini")
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jid = config["angel"]["jid"]
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password = config["angel"]["password"]
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autojoin = config["angel"]["autojoin"].split()
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bot = AngelBot(jid, password, autojoin=autojoin)
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bot.connect()
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bot.process(forever=True)
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