zulip/zerver/webhooks/beanstalk/view.py

97 lines
4.4 KiB
Python

# Webhooks for external integrations.
import base64
import re
from functools import wraps
from typing import Any, Dict, List, Optional, Tuple
from django.http import HttpRequest, HttpResponse
from zerver.decorator import authenticated_rest_api_view
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.types import ViewFuncT
from zerver.lib.validator import check_dict
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.lib.webhooks.git import TOPIC_WITH_BRANCH_TEMPLATE, \
get_push_commits_event_message
from zerver.models import UserProfile
def build_message_from_gitlog(user_profile: UserProfile, name: str, ref: str,
commits: List[Dict[str, str]], before: str, after: str,
url: str, pusher: str, forced: Optional[str]=None,
created: Optional[str]=None, deleted: Optional[bool]=False
) -> Tuple[str, str]:
short_ref = re.sub(r'^refs/heads/', '', ref)
subject = TOPIC_WITH_BRANCH_TEMPLATE.format(repo=name, branch=short_ref)
commits = _transform_commits_list_to_common_format(commits)
content = get_push_commits_event_message(pusher, url, short_ref, commits, deleted=deleted)
return subject, content
def _transform_commits_list_to_common_format(commits: List[Dict[str, Any]]) -> List[Dict[str, str]]:
new_commits_list = []
for commit in commits:
new_commits_list.append({
'name': commit['author'].get('username'),
'sha': commit.get('id'),
'url': commit.get('url'),
'message': commit.get('message'),
})
return new_commits_list
# Beanstalk's web hook UI rejects url with a @ in the username section of a url
# So we ask the user to replace them with %40
# We manually fix the username here before passing it along to @authenticated_rest_api_view
def beanstalk_decoder(view_func: ViewFuncT) -> ViewFuncT:
@wraps(view_func)
def _wrapped_view_func(request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponse:
auth_type: str
encoded_value: str
auth_type, encoded_value = request.META['HTTP_AUTHORIZATION'].split()
if auth_type.lower() == "basic":
email, api_key = base64.b64decode(encoded_value).decode('utf-8').split(":")
email = email.replace('%40', '@')
credentials = f"{email}:{api_key}"
encoded_credentials: str = base64.b64encode(credentials.encode('utf-8')).decode('utf8')
request.META['HTTP_AUTHORIZATION'] = "Basic " + encoded_credentials
return view_func(request, *args, **kwargs)
return _wrapped_view_func # type: ignore[return-value] # https://github.com/python/mypy/issues/1927
@beanstalk_decoder
@authenticated_rest_api_view(webhook_client_name="Beanstalk")
@has_request_variables
def api_beanstalk_webhook(request: HttpRequest, user_profile: UserProfile,
payload: Dict[str, Any]=REQ(validator=check_dict([])),
branches: Optional[str]=REQ(default=None)) -> HttpResponse:
# Beanstalk supports both SVN and git repositories
# We distinguish between the two by checking for a
# 'uri' key that is only present for git repos
git_repo = 'uri' in payload
if git_repo:
if branches is not None and branches.find(payload['branch']) == -1:
return json_success()
# To get a linkable url,
for commit in payload['commits']:
commit['author'] = {'username': commit['author']['name']}
subject, content = build_message_from_gitlog(user_profile, payload['repository']['name'],
payload['ref'], payload['commits'],
payload['before'], payload['after'],
payload['repository']['url'],
payload['pusher_name'])
else:
author = payload.get('author_full_name')
url = payload.get('changeset_url')
revision = payload.get('revision')
(short_commit_msg, _, _) = payload['message'].partition("\n")
subject = f"svn r{revision}"
content = f"{author} pushed [revision {revision}]({url}):\n\n> {short_commit_msg}"
check_send_webhook_message(request, user_profile, subject, content)
return json_success()