taiga-back/taiga/hooks/github/api.py

60 lines
2.2 KiB
Python

# Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
# Copyright (C) 2014 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014 David Barragán <bameda@dbarragan.com>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from rest_framework.response import Response
from django.utils.translation import ugettext_lazy as _
from taiga.base.api.viewsets import GenericViewSet
from taiga.base import exceptions as exc
from taiga.base.utils import json
from taiga.projects.models import Project
from taiga.hooks.api import BaseWebhookApiViewSet
from . import event_hooks
import hmac
import hashlib
class GitHubViewSet(BaseWebhookApiViewSet):
event_hook_classes = {
"push": event_hooks.PushEventHook,
"issues": event_hooks.IssuesEventHook,
"issue_comment": event_hooks.IssueCommentEventHook,
}
def _validate_signature(self, project, request):
x_hub_signature = request.META.get("HTTP_X_HUB_SIGNATURE", None)
if not x_hub_signature:
return False
sha_name, signature = x_hub_signature.split('=')
if sha_name != 'sha1':
return False
if not hasattr(project, "modules_config"):
return False
if project.modules_config.config is None:
return False
secret = bytes(project.modules_config.config.get("github", {}).get("secret", "").encode("utf-8"))
mac = hmac.new(secret, msg=request.body,digestmod=hashlib.sha1)
return hmac.compare_digest(mac.hexdigest(), signature)
def _get_event_name(self, request):
return request.META.get("HTTP_X_GITHUB_EVENT", None)