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ac14a8bcf5
This kind of payload that's loaded from json in the body of the request is not only used for webhooks, but also in the push bouncer, and may get used elsewhere too - so a general name is better.
93 lines
3.6 KiB
Python
93 lines
3.6 KiB
Python
from django.core.exceptions import ValidationError
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from django.http import HttpRequest, HttpResponse
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from django.utils.translation import gettext as _
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from zerver.actions.message_send import send_rate_limited_pm_notification_to_bot_owner
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from zerver.decorator import webhook_view
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from zerver.lib.exceptions import JsonableError
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from zerver.lib.response import json_success
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from zerver.lib.send_email import FromAddress
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from zerver.lib.typed_endpoint import JsonBodyPayload, typed_endpoint
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from zerver.lib.validator import WildValue, check_string
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from zerver.lib.webhooks.common import check_send_webhook_message
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from zerver.models import UserProfile
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MISCONFIGURED_PAYLOAD_ERROR_MESSAGE = """
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Hi there! Your bot {bot_name} just received a UptimeRobot payload that is missing
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some data that Zulip requires. This usually indicates a configuration issue
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in your UptimeRobot webhook settings. Please make sure that you set the required parameters
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when configuring the UptimeRobot webhook. Contact {support_email} if you
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need further help!
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"""
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UPTIMEROBOT_TOPIC_TEMPLATE = "{monitor_friendly_name}"
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UPTIMEROBOT_MESSAGE_UP_TEMPLATE = """
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{monitor_friendly_name} ({monitor_url}) is back UP ({alert_details}).
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It was down for {alert_friendly_duration}.
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""".strip()
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UPTIMEROBOT_MESSAGE_DOWN_TEMPLATE = (
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"{monitor_friendly_name} ({monitor_url}) is DOWN ({alert_details})."
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)
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ALL_EVENT_TYPES = ["up", "down"]
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@webhook_view("UptimeRobot", all_event_types=ALL_EVENT_TYPES)
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@typed_endpoint
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def api_uptimerobot_webhook(
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request: HttpRequest,
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user_profile: UserProfile,
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*,
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payload: JsonBodyPayload[WildValue],
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) -> HttpResponse:
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event_type = payload["alert_type_friendly_name"].tame(check_string)
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if event_type == "Up":
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event = "up"
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elif event_type == "Down":
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event = "down"
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try:
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body = get_body_for_http_request(payload, event_type)
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topic = get_topic_for_http_request(payload)
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except ValidationError:
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message = MISCONFIGURED_PAYLOAD_ERROR_MESSAGE.format(
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bot_name=user_profile.full_name,
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support_email=FromAddress.SUPPORT,
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).strip()
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send_rate_limited_pm_notification_to_bot_owner(user_profile, user_profile.realm, message)
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raise JsonableError(_("Invalid payload"))
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check_send_webhook_message(request, user_profile, topic, body, event)
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return json_success(request)
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def get_topic_for_http_request(payload: WildValue) -> str:
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return UPTIMEROBOT_TOPIC_TEMPLATE.format(
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monitor_friendly_name=payload["monitor_friendly_name"].tame(check_string)
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)
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def get_body_for_http_request(payload: WildValue, event_type: str) -> str:
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if event_type == "Up":
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monitor_friendly_name = payload["monitor_friendly_name"].tame(check_string)
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monitor_url = payload["monitor_url"].tame(check_string)
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alert_details = payload["alert_details"].tame(check_string)
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alert_friendly_duration = payload["alert_friendly_duration"].tame(check_string)
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body = UPTIMEROBOT_MESSAGE_UP_TEMPLATE.format(
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monitor_friendly_name=monitor_friendly_name,
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monitor_url=monitor_url,
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alert_details=alert_details,
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alert_friendly_duration=alert_friendly_duration,
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)
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elif event_type == "Down":
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monitor_friendly_name = payload["monitor_friendly_name"].tame(check_string)
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monitor_url = payload["monitor_url"].tame(check_string)
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alert_details = payload["alert_details"].tame(check_string)
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body = UPTIMEROBOT_MESSAGE_DOWN_TEMPLATE.format(
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monitor_friendly_name=monitor_friendly_name,
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monitor_url=monitor_url,
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alert_details=alert_details,
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)
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return body
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