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Until now adding a second person meant re-opening registration to the whole internet while they signed up (#2939 §1). An admin now makes an invite in Settings: a link that works once, expires (7 days by default, 1 to 30), and can be pinned to one email address. Only the token's hash is stored, so the link is shown once. POST /api/auth/register takes `invite`. Redemption is one conditional UPDATE inside the transaction that creates the account, so two people racing one link can't both get in, and a taken email leaves the invite unused. Every refusal says "invalid or expired invite". The register page reads ?invite= and opens even while registration is closed. Refs #5172 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""invites: single-use, expiring registration links an admin issues
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Revision ID: 0032
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Revises: 0031
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Create Date: 2026-10-07
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Until now the only way to add a second person was to re-open registration to the
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whole internet while they signed up (#2939 §1). An invite lets one person register
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while registration stays closed. Only the token's SHA-256 hash is stored.
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## Downgrade
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Drops the table. Accounts created through invites are untouched; the record of who
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invited them goes with it.
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects.postgresql import CITEXT, UUID
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revision = "0032"
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down_revision = "0031"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.create_table(
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"invites",
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sa.Column("id", UUID(as_uuid=True), primary_key=True),
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sa.Column("token_hash", sa.Text(), nullable=False, unique=True),
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sa.Column("created_by", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
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sa.Column("email", CITEXT(), nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
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sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("redeemed_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("redeemed_by", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
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sa.Column("revoked_at", sa.DateTime(timezone=True), nullable=True),
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)
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def downgrade() -> None:
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op.drop_table("invites")
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