Files
zulip/zerver/webhooks/zabbix/view.py
Mateusz Mandera ac14a8bcf5 typed_endpoint: Rename WebhookPayload to JsonBodyPayload.
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.
2023-09-27 14:21:42 -07:00

77 lines
2.6 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.response import json_success
from zerver.lib.send_email import FromAddress
from zerver.lib.typed_endpoint import JsonBodyPayload, typed_endpoint
from zerver.lib.validator import WildValue, check_string
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 Zabbix payload that is missing
some data that Zulip requires. This usually indicates a configuration issue
in your Zabbix webhook settings. Please make sure that you set the
script correctly and provide all the required parameters
when configuring the Zabbix webhook. Contact {support_email} if you
need further help!
"""
ZABBIX_TOPIC_TEMPLATE = "{hostname}"
ZABBIX_MESSAGE_TEMPLATE = """
{status} ({severity}) alert on [{hostname}]({link}):
* {trigger}
* {item}
""".strip()
@webhook_view("Zabbix")
@typed_endpoint
def api_zabbix_webhook(
request: HttpRequest,
user_profile: UserProfile,
*,
payload: JsonBodyPayload[WildValue],
) -> HttpResponse:
try:
body = get_body_for_http_request(payload)
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)
return json_success(request)
def get_topic_for_http_request(payload: WildValue) -> str:
return ZABBIX_TOPIC_TEMPLATE.format(hostname=payload["hostname"].tame(check_string))
def get_body_for_http_request(payload: WildValue) -> str:
hostname = payload["hostname"].tame(check_string)
severity = payload["severity"].tame(check_string)
status = payload["status"].tame(check_string)
item = payload["item"].tame(check_string)
trigger = payload["trigger"].tame(check_string)
link = payload["link"].tame(check_string)
data = {
"hostname": hostname,
"severity": severity,
"status": status,
"item": item,
"trigger": trigger,
"link": link,
}
return ZABBIX_MESSAGE_TEMPLATE.format(**data)