zulip/zerver/webhooks/uptimerobot/view.py

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from typing import Any, Dict
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from zerver.decorator import REQ, has_request_variables, webhook_view
from zerver.lib.actions import send_rate_limited_pm_notification_to_bot_owner
from zerver.lib.response import json_error, json_success
from zerver.lib.send_email import FromAddress
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.models import UserProfile
MISCONFIGURED_PAYLOAD_ERROR_MESSAGE = """
Hi there! Your bot {bot_name} just received a Uptime Robot payload that is missing
some data that Zulip requires. This usually indicates a configuration issue
in your Uptime Robot webhook settings. Please make sure that you set the required parameters
when configuring the Uptime Robot webhook. Contact {support_email} if you
need further help!
"""
UPTIMEROBOT_TOPIC_TEMPLATE = "{monitor_friendly_name}"
UPTIMEROBOT_MESSAGE_UP_TEMPLATE = """
{monitor_friendly_name} ({monitor_url}) is back UP ({alert_details}).
It was down for {alert_friendly_duration}.
""".strip()
UPTIMEROBOT_MESSAGE_DOWN_TEMPLATE = (
"{monitor_friendly_name} ({monitor_url}) is DOWN ({alert_details})."
)
@webhook_view("UptimeRobot")
@has_request_variables
def api_uptimerobot_webhook(
request: HttpRequest,
user_profile: UserProfile,
payload: Dict[str, Any] = REQ(argument_type="body"),
) -> HttpResponse:
try:
body = get_body_for_http_request(payload)
subject = get_subject_for_http_request(payload)
except KeyError:
message = MISCONFIGURED_PAYLOAD_ERROR_MESSAGE.format(
bot_name=user_profile.full_name,
support_email=FromAddress.SUPPORT,
).strip()
send_rate_limited_pm_notification_to_bot_owner(user_profile, user_profile.realm, message)
return json_error(_("Invalid payload"))
check_send_webhook_message(request, user_profile, subject, body)
return json_success()
def get_subject_for_http_request(payload: Dict[str, Any]) -> str:
return UPTIMEROBOT_TOPIC_TEMPLATE.format(monitor_friendly_name=payload["monitor_friendly_name"])
def get_body_for_http_request(payload: Dict[str, Any]) -> str:
if payload["alert_type_friendly_name"] == "Up":
body = UPTIMEROBOT_MESSAGE_UP_TEMPLATE.format(**payload)
elif payload["alert_type_friendly_name"] == "Down":
body = UPTIMEROBOT_MESSAGE_DOWN_TEMPLATE.format(**payload)
return body