potiuk commented on code in PR #24519:
URL: https://github.com/apache/airflow/pull/24519#discussion_r900780424
##########
airflow/utils/serve_logs.py:
##########
@@ -16,55 +16,86 @@
# 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.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}")
+ abort(403)
+ payload = signer.verify_token(auth)
+ token_filename = payload.get("filename")
+ request_filename = request.view_args['filename']
+ if token_filename is None:
+ logger.warning(f"The payload does not contain 'filename' key:
{payload}")
Review Comment:
Right
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