import logging from datetime import datetime from typing import Any, Dict, List, Optional, Tuple from urllib.parse import urljoin from django.http import HttpRequest, HttpResponse from zerver.decorator import webhook_view from zerver.lib.exceptions import UnsupportedWebhookEventType from zerver.lib.request import REQ, has_request_variables from zerver.lib.response import json_success from zerver.lib.webhooks.common import check_send_webhook_message from zerver.models import UserProfile DEPRECATED_EXCEPTION_MESSAGE_TEMPLATE = """ New [issue]({url}) (level: {level}): ``` quote {message} ``` """ MESSAGE_EVENT_TEMPLATE = """ **New message event:** [{title}]({web_link}) ```quote **level:** {level} **timestamp:** {datetime} ``` """ EXCEPTION_EVENT_TEMPLATE = """ **New exception:** [{title}]({web_link}) ```quote **level:** {level} **timestamp:** {datetime} **filename:** {filename} ``` """ EXCEPTION_EVENT_TEMPLATE_WITH_TRACEBACK = EXCEPTION_EVENT_TEMPLATE + """ Traceback: ```{syntax_highlight_as} {pre_context}---> {context_line}{post_context}\ ``` """ # Because of the \n added at the end of each context element, # this will actually look better in the traceback. ISSUE_CREATED_MESSAGE_TEMPLATE = """ **New issue created:** {title} ```quote **level:** {level} **timestamp:** {datetime} **assignee:** {assignee} ``` """ ISSUE_ASSIGNED_MESSAGE_TEMPLATE = """ Issue **{title}** has now been assigned to **{assignee}** by **{actor}**. """ ISSUE_RESOLVED_MESSAGE_TEMPLATE = """ Issue **{title}** was marked as resolved by **{actor}**. """ ISSUE_IGNORED_MESSAGE_TEMPLATE = """ Issue **{title}** was ignored by **{actor}**. """ # Maps "platform" name provided by Sentry to the Pygments lexer name syntax_highlight_as_map = { "go": "go", "java": "java", "javascript": "javascript", "node": "javascript", "python": "python3", } def convert_lines_to_traceback_string(lines: Optional[List[str]]) -> str: traceback = "" if lines is not None: for line in lines: if (line == ""): traceback += "\n" else: traceback += f" {line}\n" return traceback def handle_event_payload(event: Dict[str, Any]) -> Tuple[str, str]: """ Handle either an exception type event or a message type event payload.""" subject = event["title"] # We shouldn't support the officially deprecated Raven series of SDKs. if int(event["version"]) < 7: raise UnsupportedWebhookEventType("Raven SDK") platform_name = event["platform"] syntax_highlight_as = syntax_highlight_as_map.get(platform_name, "") if syntax_highlight_as == "": # nocoverage logging.info("Unknown Sentry platform: %s", platform_name) context = { "title": subject, "level": event["level"], "web_link": event["web_url"], "datetime": event["datetime"].split(".")[0].replace("T", " "), } if "exception" in event: # The event was triggered by a sentry.capture_exception() call # (in the Python Sentry SDK) or something similar. filename = event["metadata"].get("filename", None) stacktrace = None for value in reversed(event["exception"]["values"]): if "stacktrace" in value: stacktrace = value["stacktrace"] break if stacktrace and filename: exception_frame = None for frame in reversed(stacktrace["frames"]): if frame.get("filename", None) == filename: exception_frame = frame break if exception_frame and exception_frame["context_line"]: pre_context = convert_lines_to_traceback_string(exception_frame["pre_context"]) context_line = exception_frame["context_line"] + "\n" if not context_line: context_line = "\n" # nocoverage post_context = convert_lines_to_traceback_string(exception_frame["post_context"]) context.update( syntax_highlight_as=syntax_highlight_as, filename=filename, pre_context=pre_context, context_line=context_line, post_context=post_context, ) body = EXCEPTION_EVENT_TEMPLATE_WITH_TRACEBACK.format(**context) return (subject, body) context.update(filename=filename) # nocoverage body = EXCEPTION_EVENT_TEMPLATE.format(**context) # nocoverage return (subject, body) # nocoverage elif "logentry" in event: # The event was triggered by a sentry.capture_message() call # (in the Python Sentry SDK) or something similar. body = MESSAGE_EVENT_TEMPLATE.format(**context) else: raise UnsupportedWebhookEventType("unknown-event type") return (subject, body) def handle_issue_payload(action: str, issue: Dict[str, Any], actor: Dict[str, Any]) -> Tuple[str, str]: """ Handle either an issue type event. """ subject = issue["title"] datetime = issue["lastSeen"].split(".")[0].replace("T", " ") if issue["assignedTo"]: if issue["assignedTo"]["type"] == "team": assignee = "team {}".format(issue["assignedTo"]["name"]) else: assignee = issue["assignedTo"]["name"] else: assignee = "No one" if action == "created": context = { "title": subject, "level": issue["level"], "datetime": datetime, "assignee": assignee, } body = ISSUE_CREATED_MESSAGE_TEMPLATE.format(**context) elif action == "resolved": context = { "title": subject, "actor": actor["name"], } body = ISSUE_RESOLVED_MESSAGE_TEMPLATE.format(**context) elif action == "assigned": context = { "title": subject, "assignee": assignee, "actor": actor["name"], } body = ISSUE_ASSIGNED_MESSAGE_TEMPLATE.format(**context) elif action == "ignored": context = { "title": subject, "actor": actor["name"], } body = ISSUE_IGNORED_MESSAGE_TEMPLATE.format(**context) else: raise UnsupportedWebhookEventType("unknown-issue-action type") return (subject, body) def handle_deprecated_payload(payload: Dict[str, Any]) -> Tuple[str, str]: subject = "{}".format(payload.get('project_name')) body = DEPRECATED_EXCEPTION_MESSAGE_TEMPLATE.format( level=payload['level'].upper(), url=payload.get('url'), message=payload.get('message'), ) return (subject, body) def transform_webhook_payload(payload: Dict[str, Any]) -> Optional[Dict[str, Any]]: """Attempt to use webhook payload for the notification. When the integration is configured as a webhook, instead of being added as an Internal Integration, the payload is slightly different, but has all the required information for sending a notification. We transform this payload to look like the payload from a "properly configured" integration. """ event = payload.get('event', {}) # deprecated payloads don't have event_id event_id = event.get('event_id') if not event_id: return None event_path = f"event/{event_id}/" event['web_url'] = urljoin(payload['url'], event_path) event['datetime'] = datetime.fromtimestamp(event['timestamp']).isoformat() return payload @webhook_view('Sentry') @has_request_variables def api_sentry_webhook(request: HttpRequest, user_profile: UserProfile, payload: Dict[str, Any] = REQ(argument_type="body")) -> HttpResponse: data = payload.get("data", None) if data is None: data = transform_webhook_payload(payload) # We currently support two types of payloads: events and issues. if data: if "event" in data: subject, body = handle_event_payload(data["event"]) elif "issue" in data: subject, body = handle_issue_payload(payload["action"], data["issue"], payload["actor"]) else: raise UnsupportedWebhookEventType(str(list(data.keys()))) else: subject, body = handle_deprecated_payload(payload) check_send_webhook_message(request, user_profile, subject, body) return json_success()