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inkwell/alembic/versions/0033_password_resets.py
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bvandeusenandClaude Opus 5.5 a51a563fe7
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Server comments describe the code to a stranger (#6221)
Rule 32 "Comments describe the product to a stranger" sweep over
src/, alembic/ and tests/. Comments and docstrings now say what the code
does and the reason as a present-tense constraint, briefly.

Removed:
- issue, task, note, rule, milestone and family-idea references
- "used to" / before-and-after narration
- quotes of decisions and incident stories from the deploying instance
- paragraph-length arguments, where a line or two carries the fact

Kept every hazard as a present-tense fact, e.g. timing oracles, the
proxy hop direction, and migrations that must stay frozen.

Also:
- Three test names lose "still"/"used to"/"pre_m304" phrasing.
- pyproject's description drops "FabledSword family".

The history these comments carried stays in Scribe and in git log.
A comment-stripping diff (Scribe snippet #6226 "codeonly.py — prove a
diff changed only comments") shows no code changed apart from the
renamed tests and the description string.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-21 20:07:47 -04:00

50 lines
1.9 KiB
Python

"""password resets: an admin-issued, one-hour link; sessions an account can outlive
Revision ID: 0033
Revises: 0032
Create Date: 2026-10-07
An admin makes a reset link for the account and hands it over. Only the token's
SHA-256 hash is stored.
`users.session_epoch` is what lets a reset sign the account out everywhere. Sessions
are signed cookies held by the browser, so the server can't delete them; each one
carries the epoch it was signed in under, and a reset moves the account's epoch on.
It starts at 0, the value a cookie without one is read as, so the upgrade signs
nobody out.
## Downgrade
Drops the table and the column. Outstanding reset links stop working; sessions keep
working, since nothing checks an epoch.
"""
import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects.postgresql import UUID
revision = "0033"
down_revision = "0032"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.add_column("users", sa.Column("session_epoch", sa.Integer(), nullable=False, server_default="0"))
op.create_table(
"password_resets",
sa.Column("id", UUID(as_uuid=True), primary_key=True),
sa.Column("token_hash", sa.Text(), nullable=False, unique=True),
sa.Column("user_id", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("created_by", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
sa.Column("used_at", sa.DateTime(timezone=True), nullable=True),
)
op.create_index("ix_password_resets_user_id", "password_resets", ["user_id"])
def downgrade() -> None:
op.drop_index("ix_password_resets_user_id", table_name="password_resets")
op.drop_table("password_resets")
op.drop_column("users", "session_epoch")