zulip/zerver/webhooks/appfollow/view.py

42 lines
1.5 KiB
Python

# Webhooks for external integrations.
from __future__ import absolute_import
import re
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from zerver.lib.actions import check_send_message
from zerver.lib.response import json_success, json_error
from zerver.decorator import REQ, has_request_variables, api_key_only_webhook_view
from zerver.models import UserProfile
from typing import Dict, Any, Text
@api_key_only_webhook_view("AppFollow")
@has_request_variables
def api_appfollow_webhook(request, user_profile, stream=REQ(default="appfollow"),
payload=REQ(argument_type="body")):
# type: (HttpRequest, UserProfile, Text, Dict[str, Any]) -> HttpResponse
try:
message = payload["text"]
except KeyError:
return json_error(_("Missing 'text' argument in JSON"))
app_name = re.search('\A(.+)', message).group(0)
check_send_message(user_profile, request.client, "stream", [stream], app_name, convert_markdown(message))
return json_success()
def convert_markdown(text):
# type: (Text) -> Text
# Converts Slack-style markdown to Zulip format
# Implemented mainly for AppFollow messages
# Not ready for general use as some edge-cases not handled
# Convert Bold
text = re.sub(r'(?:(?<=\s)|(?<=^))\*(.+?\S)\*(?=\s|$)', r'**\1**', text)
# Convert Italics
text = re.sub(r'\b_(\s*)(.+?)(\s*)_\b', r'\1*\2*\3', text)
# Convert Strikethrough
text = re.sub(r'(?:(?<=\s)|(?<=^))~(.+?\S)~(?=\s|$)', r'~~\1~~', text)
return text