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rose-ash/account/alembic/versions/0002_hash_oauth_tokens.py
giles c015f3f02f
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Security audit: fix IDOR, add rate limiting, HMAC auth, token hashing, XSS sanitization
Critical: Add ownership checks to all order routes (IDOR fix).
High: Redis rate limiting on auth endpoints, HMAC-signed internal
service calls replacing header-presence-only checks, nh3 HTML
sanitization on ghost_sync and product import, internal auth on
market API endpoints, SHA-256 hashed OAuth grant/code tokens.
Medium: SECRET_KEY production guard, AP signature enforcement,
is_admin param removal, cart_sid validation, SSRF protection on
remote actor fetch.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-26 13:30:27 +00:00

87 lines
2.9 KiB
Python

"""Add token_hash columns to oauth_grants and oauth_codes
Revision ID: acct_0002
Revises: acct_0001
Create Date: 2026-02-26
"""
import hashlib
import sqlalchemy as sa
from alembic import op
revision = "acct_0002"
down_revision = "acct_0001"
branch_labels = None
depends_on = None
def _hash(token: str) -> str:
return hashlib.sha256(token.encode()).hexdigest()
def upgrade():
# Add new hash columns
op.add_column("oauth_grants", sa.Column("token_hash", sa.String(64), nullable=True))
op.add_column("oauth_codes", sa.Column("code_hash", sa.String(64), nullable=True))
op.add_column("oauth_codes", sa.Column("grant_token_hash", sa.String(64), nullable=True))
# Backfill hashes from existing plaintext tokens
conn = op.get_bind()
grants = conn.execute(sa.text("SELECT id, token FROM oauth_grants WHERE token IS NOT NULL"))
for row in grants:
conn.execute(
sa.text("UPDATE oauth_grants SET token_hash = :h WHERE id = :id"),
{"h": _hash(row.token), "id": row.id},
)
codes = conn.execute(sa.text("SELECT id, code, grant_token FROM oauth_codes WHERE code IS NOT NULL"))
for row in codes:
params = {"id": row.id, "ch": _hash(row.code)}
params["gh"] = _hash(row.grant_token) if row.grant_token else None
conn.execute(
sa.text("UPDATE oauth_codes SET code_hash = :ch, grant_token_hash = :gh WHERE id = :id"),
params,
)
# Create unique indexes on hash columns
op.create_index("ix_oauth_grant_token_hash", "oauth_grants", ["token_hash"], unique=True)
op.create_index("ix_oauth_code_code_hash", "oauth_codes", ["code_hash"], unique=True)
# Make original token columns nullable (keep for rollback safety)
op.alter_column("oauth_grants", "token", nullable=True)
op.alter_column("oauth_codes", "code", nullable=True)
# Drop old unique indexes on plaintext columns
try:
op.drop_index("ix_oauth_grant_token", "oauth_grants")
except Exception:
pass
try:
op.drop_index("ix_oauth_code_code", "oauth_codes")
except Exception:
pass
def downgrade():
# Restore original NOT NULL constraints
op.alter_column("oauth_grants", "token", nullable=False)
op.alter_column("oauth_codes", "code", nullable=False)
# Drop hash columns and indexes
try:
op.drop_index("ix_oauth_grant_token_hash", "oauth_grants")
except Exception:
pass
try:
op.drop_index("ix_oauth_code_code_hash", "oauth_codes")
except Exception:
pass
op.drop_column("oauth_grants", "token_hash")
op.drop_column("oauth_codes", "code_hash")
op.drop_column("oauth_codes", "grant_token_hash")
# Restore original unique indexes
op.create_index("ix_oauth_grant_token", "oauth_grants", ["token"], unique=True)
op.create_index("ix_oauth_code_code", "oauth_codes", ["code"], unique=True)