zulip/zerver/webhooks/harbor/view.py

118 lines
3.8 KiB
Python

# Webhooks for external integrations.
from typing import Any, Dict, Optional
from django.db.models import Q
from django.http import HttpRequest, HttpResponse
from zerver.decorator import api_key_only_webhook_view
from zerver.lib.exceptions import UnexpectedWebhookEventType
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.models import Realm, UserProfile
IGNORED_EVENTS = [
"downloadChart",
"deleteChart",
"uploadChart",
"pullImage",
"deleteImage",
"scanningFailed",
]
def guess_zulip_user_from_harbor(harbor_username: str, realm: Realm) -> Optional[UserProfile]:
try:
# Try to find a matching user in Zulip
# We search a user's full name, short name,
# and beginning of email address
user = UserProfile.objects.filter(
Q(full_name__iexact=harbor_username) |
Q(email__istartswith=harbor_username),
is_active=True,
realm=realm).order_by("id")[0]
return user # nocoverage
except IndexError:
return None
def handle_push_image_event(payload: Dict[str, Any],
user_profile: UserProfile,
operator_username: str) -> str:
image_name = payload["event_data"]["repository"]["repo_full_name"]
image_tag = payload["event_data"]["resources"][0]["tag"]
return f"{operator_username} pushed image `{image_name}:{image_tag}`"
VULNERABILITY_SEVERITY_NAME_MAP = {
1: "None",
2: "Unknown",
3: "Low",
4: "Medium",
5: "High",
}
SCANNING_COMPLETED_TEMPLATE = """
Image scan completed for `{image_name}:{image_tag}`. Vulnerabilities by severity:
{scan_results}
""".strip()
def handle_scanning_completed_event(payload: Dict[str, Any],
user_profile: UserProfile,
operator_username: str) -> str:
scan_results = ""
scan_summaries = payload["event_data"]["resources"][0]["scan_overview"]["components"]["summary"]
summaries_sorted = sorted(
scan_summaries, key=lambda x: x["severity"], reverse=True)
for scan_summary in summaries_sorted:
scan_results += "* {}: **{}**\n".format(
VULNERABILITY_SEVERITY_NAME_MAP[scan_summary["severity"]], scan_summary["count"])
return SCANNING_COMPLETED_TEMPLATE.format(
image_name=payload["event_data"]["repository"]["repo_full_name"],
image_tag=payload["event_data"]["resources"][0]["tag"],
scan_results=scan_results,
)
EVENT_FUNCTION_MAPPER = {
"pushImage": handle_push_image_event,
"scanningCompleted": handle_scanning_completed_event,
}
@api_key_only_webhook_view("Harbor")
@has_request_variables
def api_harbor_webhook(request: HttpRequest, user_profile: UserProfile,
payload: Dict[str, Any] = REQ(argument_type='body')) -> HttpResponse:
operator_username = "**{}**".format(payload["operator"])
if operator_username != "auto":
operator_profile = guess_zulip_user_from_harbor(
operator_username, user_profile.realm)
if operator_profile:
operator_username = f"@**{operator_profile.full_name}**" # nocoverage
event = payload["type"]
topic = payload["event_data"]["repository"]["repo_full_name"]
if event in IGNORED_EVENTS:
return json_success()
content_func = EVENT_FUNCTION_MAPPER.get(event)
if content_func is None:
raise UnexpectedWebhookEventType('Harbor', event)
content: str = content_func(payload, user_profile, operator_username)
check_send_webhook_message(request, user_profile,
topic, content,
unquote_url_parameters=True)
return json_success()