Bobby HoandMcKayla はな c9fc5b7ea1 fix: canonicalize API key scope aliases at ingress (#28322)
`rbac.IsExternalScope` accepts `all` and `application_connect`, neither
of which is an `api_key_scope` enum member. The plural `Scopes` field
stored the name as given, so `{"scopes":["all"]}` passed validation and
then 500'd inside `apikey.Generate` with `invalid API key scope: "all"`.
Reachable from `coder tokens create --scope all`, from the spellings
`docs/admin/users/sessions-tokens.md` taught, and from the `codersdk`
constants exported for exactly this purpose.

- Canonicalize inside `apikey.Generate`, in the loop that already
validates each name. One statement covers every caller and all three
input paths: plural `Scopes`, deprecated singular `Scope`, and the
default. Replaces two open-coded switches and the handler's own
per-element copy, so one place decides the stored spelling and the
handler only decides what may be requested.
- Deduplicate in the same pass. An alias and its canonical spelling are
two names going in and one name in the column.
- `ExternalScopeNames()` lists every name `IsExternalScope` accepts,
instead of dropping catalog entries that fail to parse. A curated entry
that cannot be stored used to pass every test and 500 at runtime; it now
fails two.
- Split the 400. A misspelled name and an internal `api_key_scope`
member need different words, since no re-spelling makes the second
requestable. Both rejection sites share one helper that names the case
and links the docs.
- Add reject-path tests for `not_a_real_scope` and `debug_info:read`.
The second is a valid enum member the rbac catalog treats as internal,
so before this both handler guards could be deleted with the suite still
green. A further case pins that plural `Scopes` wins when a caller sets
both fields.
- `TestExternalScopesAreStorable` pins the class rather than the two
known instances: every public rbac scope name must be storable.
`coderd/rbac` cannot assert this itself, since `database` imports `rbac`
and not the reverse.
- Docs use the canonical spellings, link the `codersdk.APIKeyScope`
schema, and say which scopes a token cannot request.

Egress is unchanged: `convertAPIKey` still derives a legacy singular
name on the way out. `ExternalScopeNames()` returns the same 57 names as
before, and `codersdk/apikey_scopes_gen.go` regenerates identically.

`rbac.CanonicalScopeName` merged with #28167, so this applies to `main`
and reviews on its own. The OAuth2 provider ignores scopes entirely
today (`authorize.go:237`, `tokens.go:377`, `tokens.go:520`), so it is
unaffected until those TODOs resolve.

Deferred from review: PLAT-528, PLAT-529, PLAT-530, and PLAT-532.
PLAT-532 covers `{"scopes":[]}` and `{"allow_list":[]}` defaulting open,
which predates this PR.

---------

Co-authored-by: McKayla はな <mckayla@hey.com>
2026-08-25 17:12:51 -07:00
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