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peeringdb-peeringdb/peeringdb_server/import_views.py
2019-09-07 01:08:37 -05:00

146 lines
4.6 KiB
Python

import json
import base64
from django.http import JsonResponse, HttpResponse
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth import authenticate
from django_namespace_perms.util import has_perms
from ratelimit.decorators import ratelimit, is_ratelimited
from peeringdb_server import ixf
from peeringdb_server.models import (
IXLan, Network, NetworkIXLan,
)
RATELIMITS = settings.RATELIMITS
def enable_basic_auth(fn):
"""
a simple decorator to enable basic auth for a specific view
"""
def wrapped(request, *args, **kwargs):
if 'HTTP_AUTHORIZATION' in request.META:
auth = request.META['HTTP_AUTHORIZATION'].split()
if len(auth) == 2:
if auth[0].lower() == "basic":
username, password = base64.b64decode(auth[1]).split(':', 1)
request.user = authenticate(username=username, password=password)
if not request.user:
return JsonResponse({"non_field_errors":["Invalid credentials"]}, status=401)
return fn(request, *args, **kwargs)
return wrapped
def pretty_response(data):
return HttpResponse(
json.dumps(data, indent=2), content_type="application/json")
def error_response(msg, status=400):
return JsonResponse({"non_field_errors":[msg]},status=status)
@ratelimit(key="ip", rate=RATELIMITS["view_import_ixlan_ixf_preview"], group="ixf_preview")
@enable_basic_auth
def view_import_ixlan_ixf_preview(request, ixlan_id):
# check if request was blocked by rate limiting
was_limited = getattr(request, "limited", False)
if was_limited:
return error_response(_("Please wait a bit before requesting " \
"another ixf import preview."), status=400)
try:
ixlan = IXLan.objects.get(id=ixlan_id)
except IXLan.DoesNotExist:
return error_response(_("Ixlan not found"), status=404)
if not has_perms(request.user, ixlan, "update"):
return error_response(_("Permission denied"), status=403)
importer = ixf.Importer()
importer.update(ixlan, save=False)
return pretty_response(importer.log)
@ratelimit(key="ip", rate=RATELIMITS["view_import_net_ixf_postmortem"], group="ixf_postmortem")
@enable_basic_auth
def view_import_net_ixf_postmortem(request, net_id):
# check if request was blocked by rate limiting
was_limited = getattr(request, "limited", False)
if was_limited:
return error_response(_("Please wait a bit before requesting " \
"another IX-F import postmortem."), status=400)
# load net
try:
net = Network.objects.get(id=net_id, status="ok")
except Network.DoesNotExist:
return error_response(_("Network not found"), status=404)
if not has_perms(request.user, net, "update"):
return error_response(_("Permission denied"), status=403)
# make sure limit is within bounds and a valid number
try:
limit = int(request.GET.get("limit", 25))
except:
limit = 25
errors = []
if limit < 1:
limit = 1
elif limit > settings.IXF_POSTMORTEM_LIMIT:
errors.append(_("Postmortem length cannot exceed {} entries").format(
settings.IXF_POSTMORTEM_LIMIT))
post_mortem = ixf.PostMortem()
log = post_mortem.generate(net.asn, limit=limit)
return pretty_response({"data":log, "non_field_errors":errors})
@ratelimit(key="ip", rate=RATELIMITS["view_import_ixlan_ixf_preview"], group="ixf_preview")
@enable_basic_auth
def view_import_net_ixf_preview(request, net_id):
# check if request was blocked by rate limiting
was_limited = getattr(request, "limited", False)
if was_limited:
return error_response(_("Please wait a bit before requesting " \
"another ixf import preview."), status=400)
try:
net = Network.objects.get(id=net_id, status="ok")
except Network.DoesNotExist:
return error_response(_("Network not found"), status=404)
if not has_perms(request.user, net, "update"):
return error_response(_("Permission denied"), status=403)
total_log = {"data":[], "errors":[]}
for ixlan in net.ixlan_set_ixf_enabled:
importer = ixf.Importer()
importer.cache_only=True
success, netixlans, deleted, log = importer.update(ixlan, asn=net.asn, save=False)
total_log["data"].extend(log["data"])
total_log["errors"].extend(["{}({}): {}".format(ixlan.ix.name, ixlan.id, err)
for err in log["errors"]])
return pretty_response(total_log)