mirror of https://github.com/zulip/zulip.git
81 lines
3.3 KiB
Python
81 lines
3.3 KiB
Python
import urllib
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from contextlib import suppress
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import orjson
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from django.conf import settings
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from django.http import HttpRequest, HttpResponse
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from django.utils.translation import gettext as _
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from django.views.decorators.csrf import csrf_exempt
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from zerver.lib.exceptions import JsonableError
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from zerver.lib.outgoing_http import OutgoingSession
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from zerver.lib.validator import check_url, to_wild_value
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class SentryTunnelSession(OutgoingSession):
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def __init__(self) -> None:
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super().__init__(role="sentry_tunnel", timeout=1)
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@csrf_exempt
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def sentry_tunnel(
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request: HttpRequest,
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) -> HttpResponse:
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try:
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envelope_header_line, envelope_items = request.body.split(b"\n", 1)
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envelope_header = to_wild_value("envelope_header", envelope_header_line.decode("utf-8"))
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dsn = urllib.parse.urlparse(envelope_header["dsn"].tame(check_url))
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except Exception:
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raise JsonableError(_("Invalid request format"))
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if dsn.geturl() != settings.SENTRY_FRONTEND_DSN:
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raise JsonableError(_("Invalid DSN"))
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assert dsn.hostname
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project_id = dsn.path.strip("/")
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url = dsn._replace(netloc=dsn.hostname, path=f"/api/{project_id}/envelope/").geturl()
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# Adjust the payload to explicitly contain the IP address of the
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# user we see. If left blank, Sentry will assume the IP it
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# received the request from, which is Zulip's, which can make
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# debugging more complicated.
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updated_body = request.body
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# If we fail to update the body for any reason, leave it as-is; it
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# is better to misreport the IP than to drop the report entirely.
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with suppress(Exception):
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# This parses the Sentry ingestion format, known as an
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# Envelope. See https://develop.sentry.dev/sdk/envelopes/ for
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# spec.
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parts = [envelope_header_line, b"\n"]
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while envelope_items != b"":
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item_header_line, rest = envelope_items.split(b"\n", 1)
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parts.append(item_header_line)
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parts.append(b"\n")
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item_header = orjson.loads(item_header_line.decode("utf-8"))
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length = item_header.get("length")
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if length is None:
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item_body, envelope_items = [*rest.split(b"\n", 1), b""][:2]
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else:
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item_body, envelope_items = rest[0:length], rest[length:]
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if item_header.get("type") in ("transaction", "event"):
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# Event schema:
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# https://develop.sentry.dev/sdk/event-payloads/#core-interfaces
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# https://develop.sentry.dev/sdk/event-payloads/user/
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#
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# Transaction schema:
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# https://develop.sentry.dev/sdk/event-payloads/transaction/#anatomy
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# Note that "Transactions are Events enriched with Span data."
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payload_data = orjson.loads(item_body)
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if "user" in payload_data:
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payload_data["user"]["ip_address"] = request.META.get("REMOTE_ADDR")
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item_body = orjson.dumps(payload_data)
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parts.append(item_body)
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if length is None:
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parts.append(b"\n")
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updated_body = b"".join(parts)
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SentryTunnelSession().post(
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url=url, data=updated_body, headers={"Content-Type": "application/x-sentry-envelope"}
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).raise_for_status()
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return HttpResponse(status=200)
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