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Marc-André Bombeck
8bc1d75373
0254 was taken by the document-summary state migration that landed on the trunk first.
22 lines
1.1 KiB
SQL
22 lines
1.1 KiB
SQL
-- Session cookies carry a purpose-generated secret rather than the row's cuid
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-- primary key.
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--
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-- A cuid is built for collision-resistant identity, not for unguessability: it
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-- embeds a timestamp and a monotonic counter and does not come from a CSPRNG.
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-- A session cookie is a bearer credential and must. The cookie now carries a
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-- 32-byte random token (`hls_<hex>`) and only its HMAC-SHA256 hash is stored,
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-- matching how api_tokens and refresh_tokens already hold their secrets.
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--
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-- Additive and nullable ON PURPOSE: every session row that exists at deploy
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-- time keeps NULL here and stays resolvable by its id, so the release signs
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-- nobody out. Those rows cannot have their sliding expiry extended, so the
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-- id-as-credential path drains itself within the 30-day session lifetime with
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-- no operator action. Postgres permits many NULLs under a unique index, so the
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-- constraint below does not conflict with the backfill-free transition.
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-- AlterTable
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ALTER TABLE "sessions" ADD COLUMN "token_hash" TEXT;
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-- CreateIndex
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CREATE UNIQUE INDEX "sessions_token_hash_key" ON "sessions"("token_hash");
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