mirror of
https://github.com/Tech-Workers-Coalition-Italia/mobilizon-reshare.git
synced 2025-02-15 03:00:44 +01:00
b61a2c5c3c
* decoupled notifiers from event * stub * publishers working * fixed format CLI * fixed unit tests * renamed abstractnotifier * added another excluded character * restored bundled secrets file * test telegram escape * tested telegram event validation * added telegram response validation * added pragma * added zulip response validation test
132 lines
3.8 KiB
Python
132 lines
3.8 KiB
Python
import pkg_resources
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import requests
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from requests import Response
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from mobilizon_reshare.event.event import MobilizonEvent
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from mobilizon_reshare.formatting.description import html_to_markdown
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from mobilizon_reshare.publishers.abstract import (
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AbstractEventFormatter,
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AbstractPlatform,
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)
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from mobilizon_reshare.publishers.exceptions import (
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InvalidBot,
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InvalidCredentials,
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InvalidEvent,
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InvalidResponse,
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PublisherError,
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)
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class TelegramFormatter(AbstractEventFormatter):
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default_template_path = pkg_resources.resource_filename(
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"mobilizon_reshare.publishers.templates", "telegram.tmpl.j2"
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)
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_conf = ("publisher", "telegram")
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@staticmethod
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def escape_message(message: str) -> str:
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return (
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message.replace("-", r"\-")
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.replace(".", r"\.")
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.replace("(", r"\(")
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.replace("!", r"\!")
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.replace(")", r"\)")
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.replace("#", r"")
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)
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def validate_event(self, event: MobilizonEvent) -> None:
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description = event.description
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if not (description and description.strip()):
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self._log_error("No description was found", raise_error=InvalidEvent)
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def get_message_from_event(self, event: MobilizonEvent) -> str:
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return super(TelegramFormatter, self).get_message_from_event(event)
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def validate_message(self, message: str) -> None:
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if len(message) >= 4096:
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raise PublisherError("Message is too long")
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def _preprocess_event(self, event: MobilizonEvent):
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event.description = html_to_markdown(event.description)
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event.name = html_to_markdown(event.name)
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return event
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class TelegramPlatform(AbstractPlatform):
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"""
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Telegram publisher class.
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"""
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def _preprocess_message(self, message: str):
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return TelegramFormatter.escape_message(message)
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def validate_credentials(self):
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conf = self.conf
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chat_id = conf.chat_id
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token = conf.token
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username = conf.username
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err = []
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if not chat_id:
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err.append("chat ID")
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if not token:
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err.append("token")
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if not username:
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err.append("username")
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if err:
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self._log_error(
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", ".join(err) + " is/are missing", raise_error=InvalidCredentials,
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)
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res = requests.get(f"https://api.telegram.org/bot{token}/getMe")
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data = self._validate_response(res)
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if not username == data.get("result", {}).get("username"):
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self._log_error(
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"Found a different bot than the expected one", raise_error=InvalidBot,
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)
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def _send(self, message) -> Response:
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return requests.post(
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url=f"https://api.telegram.org/bot{self.conf.token}/sendMessage",
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json={
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"chat_id": self.conf.chat_id,
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"text": message,
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"parse_mode": "markdownv2",
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},
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)
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def _validate_response(self, res):
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try:
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res.raise_for_status()
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except requests.exceptions.HTTPError as e:
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self._log_error(
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f"Server returned invalid data: {str(e)}", raise_error=InvalidResponse,
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)
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try:
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data = res.json()
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except Exception as e:
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self._log_error(
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f"Server returned invalid json data: {str(e)}",
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raise_error=InvalidResponse,
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)
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if not data.get("ok"):
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self._log_error(
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f"Invalid request (response: {data})", raise_error=InvalidResponse,
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)
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return data
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class TelegramPublisher(TelegramPlatform):
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_conf = ("publisher", "telegram")
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class TelegramNotifier(TelegramPlatform):
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_conf = ("notifier", "telegram")
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