Paul Rastoin 0b817e3bc0 Restrict which workspace fields can be updated before activation (#23781)
## What

`validateWorkspaceUpdatePermissions` returned early with no checks at
all when the workspace was in `PENDING_CREATION`, so `updateWorkspace`
accepted any field during that window. It now allows only the fields
needed to set the workspace up (`displayName`, `subdomain`, `logo`) and
rejects everything else until the workspace is activated.

Note that `updateWorkspace`'s resolver guard is `CustomPermissionGuard`,
which always returns true and only documents that the check lives in the
resolver/service, so this service method is the actual enforcement
point.

## Why

A workspace stays in `PENDING_CREATION` from signup until onboarding
completes, and the JWT strategy issues an authenticated context for it
without resolving member permissions. During that window every field was
writable with no permission check, including security relevant ones such
as `allowImpersonation`, `isTwoFactorAuthenticationEnforced` and
`isPublicInviteLinkEnabled`.

In practice the only principal present before activation is the
workspace creator, who is granted the Admin role
(`canUpdateAllSettings`) the moment activation completes, so there is no
privilege escalation over another user today. This is defense in depth:
the early return was broader than it needed to be, and it becomes a real
gap if the "only the creator exists before activation" assumption ever
stops holding, for example a workspace left pending or a future flow
that adds members before activation.

The bypass exists because a pending workspace has no roles yet, so
permissions cannot be resolved for it. Keeping a small explicit
allowlist preserves that while removing the blanket skip.

## Scope

Only the `updateWorkspace` path. `SettingsPermissionGuard` has a similar
bypass for `PENDING_CREATION` / `ONGOING_CREATION`, but it covers 62
resolvers including billing endpoints that onboarding legitimately calls
before activation, so narrowing it needs its own analysis and is
deliberately left out.

## Tests

`workspace-update-before-activation.integration-spec.ts`, run against a
real database with the seeded workspace flipped to `PENDING_CREATION`:

- a security sensitive field (`allowImpersonation`) is rejected and the
stored value is unchanged
- mixing a setup field with a security sensitive one rejects the whole
update, and `displayName` is not persisted
- setup fields (`displayName`) still apply, so the restriction does not
break workspace setup

Both rejection tests were verified to fail when the old blanket early
return is put back, while the positive control keeps passing. The
existing `settings-permissions/workspace*` suites still pass (38 tests
total), confirming no change for activated workspaces.

---
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2026-08-05 08:15:31 +00:00
2026-06-11 11:02:28 +02:00

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