zulip/zerver/webhooks/uptimerobot/view.py

92 lines
3.7 KiB
Python

from django.core.exceptions import ValidationError
from django.http import HttpRequest, HttpResponse
from django.utils.translation import gettext as _
from zerver.actions.message_send import send_rate_limited_pm_notification_to_bot_owner
from zerver.decorator import webhook_view
from zerver.lib.exceptions import JsonableError
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.send_email import FromAddress
from zerver.lib.validator import WildValue, check_string, to_wild_value
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 UptimeRobot payload that is missing
some data that Zulip requires. This usually indicates a configuration issue
in your UptimeRobot webhook settings. Please make sure that you set the required parameters
when configuring the UptimeRobot 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})."
)
ALL_EVENT_TYPES = ["up", "down"]
@webhook_view("UptimeRobot", all_event_types=ALL_EVENT_TYPES)
@has_request_variables
def api_uptimerobot_webhook(
request: HttpRequest,
user_profile: UserProfile,
payload: WildValue = REQ(argument_type="body", converter=to_wild_value),
) -> HttpResponse:
event_type = payload["alert_type_friendly_name"].tame(check_string)
if event_type == "Up":
event = "up"
elif event_type == "Down":
event = "down"
try:
body = get_body_for_http_request(payload, event_type)
topic = get_topic_for_http_request(payload)
except ValidationError:
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)
raise JsonableError(_("Invalid payload"))
check_send_webhook_message(request, user_profile, topic, body, event)
return json_success(request)
def get_topic_for_http_request(payload: WildValue) -> str:
return UPTIMEROBOT_TOPIC_TEMPLATE.format(
monitor_friendly_name=payload["monitor_friendly_name"].tame(check_string)
)
def get_body_for_http_request(payload: WildValue, event_type: str) -> str:
if event_type == "Up":
monitor_friendly_name = payload["monitor_friendly_name"].tame(check_string)
monitor_url = payload["monitor_url"].tame(check_string)
alert_details = payload["alert_details"].tame(check_string)
alert_friendly_duration = payload["alert_friendly_duration"].tame(check_string)
body = UPTIMEROBOT_MESSAGE_UP_TEMPLATE.format(
monitor_friendly_name=monitor_friendly_name,
monitor_url=monitor_url,
alert_details=alert_details,
alert_friendly_duration=alert_friendly_duration,
)
elif event_type == "Down":
monitor_friendly_name = payload["monitor_friendly_name"].tame(check_string)
monitor_url = payload["monitor_url"].tame(check_string)
alert_details = payload["alert_details"].tame(check_string)
body = UPTIMEROBOT_MESSAGE_DOWN_TEMPLATE.format(
monitor_friendly_name=monitor_friendly_name,
monitor_url=monitor_url,
alert_details=alert_details,
)
return body