Widen revoked_token.jti to store external-issuer token identifiers

airflow-core/docs/migrations-ref.rst

@@ -39,7 +39,10 @@ Here's the list of all the Database Migrations that are executed via when you ru
 +-------------------------+------------------+-------------------+--------------------------------------------------------------+
 | Revision ID             | Revises ID       | Airflow Version   | Description                                                  |
 +=========================+==================+===================+==============================================================+
-| ``b6a9c2e7d410`` (head) | ``f8c2a1d94e03`` | ``3.4.0``         | Add draining state to DagModel.                              |
+| ``5182d0596ee2`` (head) | ``b6a9c2e7d410`` | ``3.4.0``         | Widen revoked_token.jti to store external-issuer token       |
+|                         |                  |                   | identifiers.                                                 |
++-------------------------+------------------+-------------------+--------------------------------------------------------------+
+| ``b6a9c2e7d410``        | ``f8c2a1d94e03`` | ``3.4.0``         | Add draining state to DagModel.                              |
 +-------------------------+------------------+-------------------+--------------------------------------------------------------+
 | ``f8c2a1d94e03``        | ``8d3f1a6b2c47`` | ``3.4.0``         | Add team_name and bundle_names scope columns to job table.   |
 +-------------------------+------------------+-------------------+--------------------------------------------------------------+

airflow-core/src/airflow/migrations/versions/0135_3_4_0_widen_revoked_token_jti.py

@@ -0,0 +1,54 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+"""
+Widen revoked_token.jti to store external-issuer token identifiers.
+
+Revision ID: 5182d0596ee2
+Revises: b6a9c2e7d410
+Create Date: 2026-09-22 00:00:00.000000
+
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "5182d0596ee2"
+down_revision = "b6a9c2e7d410"
+branch_labels = None
+depends_on = None
+airflow_version = "3.4.0"
+
+
+def upgrade():
+    """Widen ``revoked_token.jti`` from 32 to 255 characters."""
+    with op.batch_alter_table("revoked_token") as batch_op:
+        batch_op.alter_column(
+            "jti", existing_type=sa.String(32), type_=sa.String(255), existing_nullable=False
+        )
+
+
+def downgrade():
+    """Narrow ``revoked_token.jti`` from 255 back to 32 characters."""
+    with op.batch_alter_table("revoked_token") as batch_op:
+        batch_op.alter_column(
+            "jti", existing_type=sa.String(255), type_=sa.String(32), existing_nullable=False
+        )

airflow-core/src/airflow/models/revoked_token.py

@@ -44,7 +44,7 @@ class RevokedToken(Base):
     # Track last cleanup time to avoid running cleanup on every request
     _last_cleanup_time: ClassVar[float] = 0.0
 
-    jti: Mapped[str] = mapped_column(String(32), primary_key=True)
+    jti: Mapped[str] = mapped_column(String(255), primary_key=True)
     exp: Mapped[datetime] = mapped_column(UtcDateTime, nullable=False, index=True)
 
     @classmethod

airflow-core/src/airflow/utils/db.py

@@ -117,7 +117,7 @@ class MappedClassProtocol(Protocol):
     "3.1.8": "509b94a1042d",
     "3.2.0": "1d6611b6ab7c",
     "3.3.0": "d2f4e1b3c5a7",
-    "3.4.0": "b6a9c2e7d410",
+    "3.4.0": "5182d0596ee2",
 }
 
 # Prefix used to identify tables holding data moved during migration.

airflow-core/tests/unit/models/test_revoked_token.py

@@ -16,13 +16,24 @@
 # under the License.
 from __future__ import annotations
 
+import uuid
 from datetime import datetime, timedelta, timezone
 from unittest.mock import MagicMock, patch
 
 from airflow.models.revoked_token import RevokedToken
 
 
 class TestRevokedTokenModel:
+    def test_jti_column_fits_external_issuer_identifiers(self):
+        """The ``jti`` column must hold identifiers longer than Airflow's own 32-char ``uuid4().hex``.
+
+        External identity providers (accepted via ``[api_auth] trusted_jwks_url``) mint ``jti``
+        claims such as 36-char RFC 4122 UUIDs; a 32-char column silently drops them on databases
+        that enforce length, so revocation never records them.
+        """
+        assert RevokedToken.__table__.c.jti.type.length == 255
+        assert len(str(uuid.uuid4())) <= RevokedToken.__table__.c.jti.type.length
+
     def test_revoke_inserts_row(self):
         """Test that revoke calls session.merge with a RevokedToken instance."""
         mock_session = MagicMock()

docs/spelling_wordlist.txt

@@ -947,6 +947,7 @@ Json
 json
 jsonl
 JsonValue
+jti
 juli
 Jupyter
 jupyter