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siftlode/backend/alembic/versions/0059_dl_link_pw_version.py
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peter b1832afd18 style: apply ruff format across backend + scripts (line-length 100)
Mechanical, whole-tree `ruff format` pass — no behaviour change. Recorded in
.git-blame-ignore-revs (next commit) so git blame skips it.
2026-08-23 07:43:06 +02:00

34 lines
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Python

"""add password_version to download_links (invalidate watch grants on password change)
Revision ID: 0059_dl_link_pw_version
Revises: 0058_dl_default_720p
Create Date: 2026-07-23
A password-protected share link mints a short-lived HMAC "grant" at /unlock so the media URL never
carries the password. The grant previously signed only <token>.<exp>, so rotating a link's password
did NOT invalidate outstanding grants — they lived out their 6h TTL. Fold a per-link password_version
into the signed grant and bump it on every password change, so a rotation revokes old grants at once.
Small table (one row per share link), so this is a quick add-column with a default.
"""
from typing import Sequence, Union
import sqlalchemy as sa
from alembic import op
revision: str = "0059_dl_link_pw_version"
down_revision: Union[str, None] = "0058_dl_default_720p"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.add_column(
"download_links",
sa.Column("password_version", sa.Integer(), nullable=False, server_default="0"),
)
def downgrade() -> None:
op.drop_column("download_links", "password_version")