zulip/zerver/webhooks/bitbucket3/view.py

455 lines
17 KiB
Python

import string
from typing import Dict, List, Optional, Protocol
from django.http import HttpRequest, HttpResponse
from returns.curry import partial
from zerver.decorator import webhook_view
from zerver.lib.exceptions import UnsupportedWebhookEventTypeError
from zerver.lib.response import json_success
from zerver.lib.typed_endpoint import JsonBodyPayload, typed_endpoint
from zerver.lib.validator import WildValue, check_int, check_none_or, check_string
from zerver.lib.webhooks.common import (
OptionalUserSpecifiedTopicStr,
check_send_webhook_message,
validate_extract_webhook_http_header,
)
from zerver.lib.webhooks.git import (
TOPIC_WITH_BRANCH_TEMPLATE,
TOPIC_WITH_PR_OR_ISSUE_INFO_TEMPLATE,
get_commits_comment_action_message,
get_create_branch_event_message,
get_pull_request_event_message,
get_push_tag_event_message,
get_remove_branch_event_message,
)
from zerver.models import UserProfile
from zerver.webhooks.bitbucket2.view import BITBUCKET_REPO_UPDATED_CHANGED, BITBUCKET_TOPIC_TEMPLATE
BITBUCKET_FORK_BODY = (
"User {display_name}(login: {username}) forked the repository into [{fork_name}]({fork_url})."
)
BRANCH_UPDATED_MESSAGE_TEMPLATE = "{user_name} pushed to branch {branch_name}. Head is now {head}."
PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE = (
'{user_name} marked [PR #{number}]({url}) as "needs work".'
)
PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE_WITH_TITLE = """
{user_name} marked [PR #{number} {title}]({url}) as \"needs work\".
""".strip()
PULL_REQUEST_REASSIGNED_TEMPLATE = "{user_name} reassigned [PR #{number}]({url}) to {assignees}."
PULL_REQUEST_REASSIGNED_TEMPLATE_WITH_TITLE = """
{user_name} reassigned [PR #{number} {title}]({url}) to {assignees}.
""".strip()
PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE = (
"{user_name} removed all reviewers from [PR #{number}]({url})."
)
PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE_WITH_TITLE = """
{user_name} removed all reviewers from [PR #{number} {title}]({url})
""".strip()
PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS = """
{user_name} {action} [PR #{number}]({url}) from `{source}` to \
`{destination}` (assigned to {assignees} for review)
""".strip()
PULL_REQUEST_OPENED_OR_MODIFIED_TEMPLATE_WITH_REVIEWERS_WITH_TITLE = """
{user_name} {action} [PR #{number} {title}]({url}) from `{source}` to \
`{destination}` (assigned to {assignees} for review)
""".strip()
def fixture_to_headers(fixture_name: str) -> Dict[str, str]:
if fixture_name == "diagnostics_ping":
return {"HTTP_X_EVENT_KEY": "diagnostics:ping"}
return {}
def get_user_name(payload: WildValue) -> str:
user_name = "[{name}]({url})".format(
name=payload["actor"]["name"].tame(check_string),
url=payload["actor"]["links"]["self"][0]["href"].tame(check_string),
)
return user_name
def ping_handler(
payload: WildValue,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
if include_title:
topic_name = include_title
else:
topic_name = "Bitbucket Server Ping"
body = "Congratulations! The Bitbucket Server webhook was configured successfully!"
return [{"topic": topic_name, "body": body}]
def repo_comment_handler(
payload: WildValue,
action: str,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
repo_name = payload["repository"]["name"].tame(check_string)
topic_name = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
sha = payload["commit"].tame(check_string)
commit_url = payload["repository"]["links"]["self"][0]["href"].tame(check_string)[
: -len("browse")
]
commit_url += f"commits/{sha}"
message = payload["comment"]["text"].tame(check_string)
if action == "deleted their comment":
message = f"~~{message}~~"
body = get_commits_comment_action_message(
user_name=get_user_name(payload),
action=action,
commit_url=commit_url,
sha=sha,
message=message,
)
return [{"topic": topic_name, "body": body}]
def repo_forked_handler(
payload: WildValue,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
repo_name = payload["repository"]["origin"]["name"].tame(check_string)
topic_name = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
body = BITBUCKET_FORK_BODY.format(
display_name=payload["actor"]["displayName"].tame(check_string),
username=get_user_name(payload),
fork_name=payload["repository"]["name"].tame(check_string),
fork_url=payload["repository"]["links"]["self"][0]["href"].tame(check_string),
)
return [{"topic": topic_name, "body": body}]
def repo_modified_handler(
payload: WildValue,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
topic_name_new = BITBUCKET_TOPIC_TEMPLATE.format(
repository_name=payload["new"]["name"].tame(check_string)
)
new_name = payload["new"]["name"].tame(check_string)
body = BITBUCKET_REPO_UPDATED_CHANGED.format(
actor=get_user_name(payload),
change="name",
repo_name=payload["old"]["name"].tame(check_string),
old=payload["old"]["name"].tame(check_string),
new=new_name,
) # As of writing this, the only change we'd be notified about is a name change.
punctuation = "." if new_name[-1] not in string.punctuation else ""
body = f"{body}{punctuation}"
return [{"topic": topic_name_new, "body": body}]
def repo_push_branch_data(payload: WildValue, change: WildValue) -> Dict[str, str]:
event_type = change["type"].tame(check_string)
repo_name = payload["repository"]["name"].tame(check_string)
user_name = get_user_name(payload)
branch_name = change["ref"]["displayId"].tame(check_string)
branch_head = change["toHash"].tame(check_string)
if event_type == "ADD":
body = get_create_branch_event_message(
user_name=user_name,
url=None,
branch_name=branch_name,
)
elif event_type == "UPDATE":
body = BRANCH_UPDATED_MESSAGE_TEMPLATE.format(
user_name=user_name,
branch_name=branch_name,
head=branch_head,
)
elif event_type == "DELETE":
body = get_remove_branch_event_message(user_name, branch_name)
else:
message = "{}.{}".format(payload["eventKey"].tame(check_string), event_type) # nocoverage
raise UnsupportedWebhookEventTypeError(message)
topic_name = TOPIC_WITH_BRANCH_TEMPLATE.format(repo=repo_name, branch=branch_name)
return {"topic": topic_name, "body": body}
def repo_push_tag_data(payload: WildValue, change: WildValue) -> Dict[str, str]:
event_type = change["type"].tame(check_string)
repo_name = payload["repository"]["name"].tame(check_string)
tag_name = change["ref"]["displayId"].tame(check_string)
if event_type == "ADD":
action = "pushed"
elif event_type == "DELETE":
action = "removed"
else:
message = "{}.{}".format(payload["eventKey"].tame(check_string), event_type) # nocoverage
raise UnsupportedWebhookEventTypeError(message)
topic_name = BITBUCKET_TOPIC_TEMPLATE.format(repository_name=repo_name)
body = get_push_tag_event_message(get_user_name(payload), tag_name, action=action)
return {"topic": topic_name, "body": body}
def repo_push_handler(
payload: WildValue,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
data = []
for change in payload["changes"]:
event_target_type = change["ref"]["type"].tame(check_string)
if event_target_type == "BRANCH":
branch = change["ref"]["displayId"].tame(check_string)
if branches and branch not in branches:
continue
data.append(repo_push_branch_data(payload, change))
elif event_target_type == "TAG":
data.append(repo_push_tag_data(payload, change))
else:
message = "{}.{}".format(
payload["eventKey"].tame(check_string), event_target_type
) # nocoverage
raise UnsupportedWebhookEventTypeError(message)
return data
def get_assignees_string(pr: WildValue) -> Optional[str]:
reviewers = []
for reviewer in pr["reviewers"]:
name = reviewer["user"]["name"].tame(check_string)
link = reviewer["user"]["links"]["self"][0]["href"].tame(check_string)
reviewers.append(f"[{name}]({link})")
if len(reviewers) == 0:
assignees = None
elif len(reviewers) == 1:
assignees = reviewers[0]
else:
assignees = ", ".join(reviewers[:-1]) + " and " + reviewers[-1]
return assignees
def get_pr_topic(repo: str, type: str, id: int, title: str) -> str:
return TOPIC_WITH_PR_OR_ISSUE_INFO_TEMPLATE.format(repo=repo, type=type, id=id, title=title)
def get_simple_pr_body(payload: WildValue, action: str, include_title: Optional[str]) -> str:
pr = payload["pullRequest"]
return get_pull_request_event_message(
user_name=get_user_name(payload),
action=action,
url=pr["links"]["self"][0]["href"].tame(check_string),
number=pr["id"].tame(check_int),
title=pr["title"].tame(check_string) if include_title else None,
)
def get_pr_opened_or_modified_body(
payload: WildValue, action: str, include_title: Optional[str]
) -> str:
pr = payload["pullRequest"]
description = pr.get("description").tame(check_none_or(check_string))
target_branch = None
base_branch = None
if action == "opened":
target_branch = pr["fromRef"]["displayId"].tame(check_string)
base_branch = pr["toRef"]["displayId"].tame(check_string)
reviewers_string = get_assignees_string(pr)
return get_pull_request_event_message(
user_name=get_user_name(payload),
action=action,
url=pr["links"]["self"][0]["href"].tame(check_string),
number=pr["id"].tame(check_int),
target_branch=target_branch,
base_branch=base_branch,
message=description,
reviewer=reviewers_string if reviewers_string else None,
title=pr["title"].tame(check_string) if include_title else None,
)
def get_pr_merged_body(payload: WildValue, action: str, include_title: Optional[str]) -> str:
pr = payload["pullRequest"]
return get_pull_request_event_message(
user_name=get_user_name(payload),
action=action,
url=pr["links"]["self"][0]["href"].tame(check_string),
number=pr["id"].tame(check_int),
target_branch=pr["fromRef"]["displayId"].tame(check_string),
base_branch=pr["toRef"]["displayId"].tame(check_string),
title=pr["title"].tame(check_string) if include_title else None,
)
def get_pr_needs_work_body(payload: WildValue, include_title: Optional[str]) -> str:
pr = payload["pullRequest"]
if not include_title:
return PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
)
return PULL_REQUEST_MARKED_AS_NEEDS_WORK_TEMPLATE_WITH_TITLE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
title=pr["title"].tame(check_string),
)
def get_pr_reassigned_body(payload: WildValue, include_title: Optional[str]) -> str:
pr = payload["pullRequest"]
assignees_string = get_assignees_string(pr)
if not assignees_string:
if not include_title:
return PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
)
punctuation = "." if pr["title"].tame(check_string)[-1] not in string.punctuation else ""
message = PULL_REQUEST_REASSIGNED_TO_NONE_TEMPLATE_WITH_TITLE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
title=pr["title"].tame(check_string),
)
message = f"{message}{punctuation}"
return message
if not include_title:
return PULL_REQUEST_REASSIGNED_TEMPLATE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
assignees=assignees_string,
)
return PULL_REQUEST_REASSIGNED_TEMPLATE_WITH_TITLE.format(
user_name=get_user_name(payload),
number=pr["id"].tame(check_int),
url=pr["links"]["self"][0]["href"].tame(check_string),
assignees=assignees_string,
title=pr["title"].tame(check_string),
)
def pr_handler(
payload: WildValue,
action: str,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
pr = payload["pullRequest"]
topic_name = get_pr_topic(
pr["toRef"]["repository"]["name"].tame(check_string),
type="PR",
id=pr["id"].tame(check_int),
title=pr["title"].tame(check_string),
)
if action in ["opened", "modified"]:
body = get_pr_opened_or_modified_body(payload, action, include_title)
elif action == "merged":
body = get_pr_merged_body(payload, action, include_title)
elif action == "needs_work":
body = get_pr_needs_work_body(payload, include_title)
elif action == "reviewers_updated":
body = get_pr_reassigned_body(payload, include_title)
else:
body = get_simple_pr_body(payload, action, include_title)
return [{"topic": topic_name, "body": body}]
def pr_comment_handler(
payload: WildValue,
action: str,
branches: Optional[str],
include_title: Optional[str],
) -> List[Dict[str, str]]:
pr = payload["pullRequest"]
topic_name = get_pr_topic(
pr["toRef"]["repository"]["name"].tame(check_string),
type="PR",
id=pr["id"].tame(check_int),
title=pr["title"].tame(check_string),
)
message = payload["comment"]["text"].tame(check_string)
if action == "deleted their comment on":
message = f"~~{message}~~"
body = get_pull_request_event_message(
user_name=get_user_name(payload),
action=action,
url=pr["links"]["self"][0]["href"].tame(check_string),
number=pr["id"].tame(check_int),
message=message,
title=pr["title"].tame(check_string) if include_title else None,
)
return [{"topic": topic_name, "body": body}]
class EventHandler(Protocol):
def __call__(
self, payload: WildValue, branches: Optional[str], include_title: Optional[str]
) -> List[Dict[str, str]]: ...
EVENT_HANDLER_MAP: Dict[str, EventHandler] = {
"diagnostics:ping": ping_handler,
"repo:comment:added": partial(repo_comment_handler, action="commented"),
"repo:comment:edited": partial(repo_comment_handler, action="edited their comment"),
"repo:comment:deleted": partial(repo_comment_handler, action="deleted their comment"),
"repo:forked": repo_forked_handler,
"repo:modified": repo_modified_handler,
"repo:refs_changed": repo_push_handler,
"pr:comment:added": partial(pr_comment_handler, action="commented on"),
"pr:comment:edited": partial(pr_comment_handler, action="edited their comment on"),
"pr:comment:deleted": partial(pr_comment_handler, action="deleted their comment on"),
"pr:declined": partial(pr_handler, action="declined"),
"pr:deleted": partial(pr_handler, action="deleted"),
"pr:merged": partial(pr_handler, action="merged"),
"pr:modified": partial(pr_handler, action="modified"),
"pr:opened": partial(pr_handler, action="opened"),
"pr:reviewer:approved": partial(pr_handler, action="approved"),
"pr:reviewer:needs_work": partial(pr_handler, action="needs_work"),
"pr:reviewer:updated": partial(pr_handler, action="reviewers_updated"),
"pr:reviewer:unapproved": partial(pr_handler, action="unapproved"),
}
ALL_EVENT_TYPES = list(EVENT_HANDLER_MAP.keys())
@webhook_view("Bitbucket3", all_event_types=ALL_EVENT_TYPES)
@typed_endpoint
def api_bitbucket3_webhook(
request: HttpRequest,
user_profile: UserProfile,
*,
payload: JsonBodyPayload[WildValue],
branches: Optional[str] = None,
user_specified_topic: OptionalUserSpecifiedTopicStr = None,
) -> HttpResponse:
eventkey: Optional[str]
if "eventKey" in payload:
eventkey = payload["eventKey"].tame(check_string)
else:
eventkey = validate_extract_webhook_http_header(request, "X-Event-Key", "BitBucket")
handler = EVENT_HANDLER_MAP.get(eventkey)
if handler is None:
raise UnsupportedWebhookEventTypeError(eventkey)
data = handler(payload, branches=branches, include_title=user_specified_topic)
for element in data:
check_send_webhook_message(
request,
user_profile,
element["topic"],
element["body"],
eventkey,
unquote_url_parameters=True,
)
return json_success(request)