potiuk commented on code in PR #24519:
URL: https://github.com/apache/airflow/pull/24519#discussion_r900796932
##########
airflow/utils/serve_logs.py:
##########
@@ -16,55 +16,87 @@
# under the License.
"""Serve logs process"""
+import logging
import os
-import time
import gunicorn.app.base
from flask import Flask, abort, request, send_from_directory
-from itsdangerous import TimedJSONWebSignatureSerializer
+from jwt.exceptions import (
+ ExpiredSignatureError,
+ ImmatureSignatureError,
+ InvalidAudienceError,
+ InvalidIssuedAtError,
+ InvalidSignatureError,
+)
from setproctitle import setproctitle
from airflow.configuration import conf
+from airflow.utils.docs import get_docs_url
+from airflow.utils.jwt_signer import JWTSigner
+
+logger = logging.getLogger(__name__)
def create_app():
flask_app = Flask(__name__, static_folder=None)
- max_request_age = conf.getint('webserver', 'log_request_clock_grace',
fallback=30)
+ expiration_time_in_seconds = conf.getint('webserver',
'log_request_clock_grace', fallback=30)
log_directory = os.path.expanduser(conf.get('logging', 'BASE_LOG_FOLDER'))
- signer = TimedJSONWebSignatureSerializer(
+ signer = JWTSigner(
secret_key=conf.get('webserver', 'secret_key'),
- algorithm_name='HS512',
- expires_in=max_request_age,
- # This isn't really a "salt", more of a signing context
- salt='task-instance-logs',
+ expiration_time_in_seconds=expiration_time_in_seconds,
+ audience="task-instance-logs",
)
# Prevent direct access to the logs port
@flask_app.before_request
def validate_pre_signed_url():
try:
- auth = request.headers['Authorization']
-
- # We don't actually care about the payload, just that the signature
- # was valid and the `exp` claim is correct
- filename, headers = signer.loads(auth, return_header=True)
-
- issued_at = int(headers['iat'])
- expires_at = int(headers['exp'])
- except Exception:
+ auth = request.headers.get('Authorization')
+ if auth is None:
+ logger.warning(f"The Authorization header is missing:
{request.headers}")
Review Comment:
Ok. I answered myself. Actually, this is also better for any external
logging systems (sentry etc.) as they might for example group the same message
based on messages which are the same, or it could be useful in cases lije our
secret masker.
BTW. I really wish in the future somethng like warnigf, infof will get into
the standard library:
https://discuss.python.org/t/safer-logging-methods-for-f-strings-and-new-style-formatting/13802
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