Files
pretix_original/src/pretix/base/views/metrics.py
2017-03-27 22:24:35 +02:00

48 lines
1.4 KiB
Python

import base64
import hmac
from django.conf import settings
from django.http import HttpResponse
from .. import metrics
def unauthed_response():
content = "<html><title>Forbidden</title><body>You are not authorized to view this page.</body></html>"
response = HttpResponse(content, content_type="text/html")
response["WWW-Authenticate"] = 'Basic realm="metrics"'
response.status_code = 401
return response
def serve_metrics(request):
if not settings.METRICS_ENABLED:
return unauthed_response()
# check if the user is properly authorized:
if "HTTP_AUTHORIZATION" not in request.META:
return unauthed_response()
method, credentials = request.META["HTTP_AUTHORIZATION"].split(" ", 1)
if method.lower() != "basic":
return unauthed_response()
user, passphrase = base64.b64decode(credentials.strip()).decode().split(":", 1)
if not hmac.compare_digest(user, settings.METRICS_USER):
return unauthed_response()
if not hmac.compare_digest(passphrase, settings.METRICS_PASSPHRASE):
return unauthed_response()
# ok, the request passed the authentication-barrier, let's hand out the metrics:
m = metrics.metric_values()
output = []
for metric, sub in m.items():
for label, value in sub.items():
output.append("{}{} {}".format(metric, label, str(value)))
content = "\n".join(output) + "\n"
return HttpResponse(content)