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Andrey AntukhandSumit Ridhal eec06a5987 🐛 Allow registration with disabled public registration (#11912)
* 🐛 Allow invitation-based registration when disable-registration is set (#5178)

Per documentation, disable-registration 'disables registration
(still enabled for invitations only)'. Two bugs prevented this:

1. verify_token.clj: when processing an invitation token for a
   non-logged-in user with no member-id, the redirect included
   registration-disabled? in its condition, sending invited users
   to the login page instead of the register page.

2. auth.clj validate-register-attempt!: the registration-disabled
   check fired unconditionally before the invitation-token check,
   rejecting the actual register RPC even with a valid invitation.

Fix: in verify_token.clj remove registration-disabled? from the
redirect condition for new-user invitations. In auth.clj restructure
the check as an if/else: with an invitation token, validate the token
and allow registration; without one, enforce the flag as before.

* 🐛 Allow registration with disabled public registration

Allow valid team invitations to create new profiles when public
registration is disabled, while keeping password login and invitation
validation required.

Add backend regression coverage for flag combinations and verify-token
redirects, frontend route coverage, and configuration documentation.
Closes #5178

AI-assisted-by: space-bunny-free

* 🐛 Revalidate active invitation during registration

Require a live, unexpired team invitation before using the
registration exception, and recheck it before creating a profile.
Reuse the same lookup in invitation token verification.

Add regression tests for canceled and expired invitations, the
registration race, and explicit redirect contracts. Update docs
and backend auth guidance.

AI-assisted-by: Space Bunny Free

* 🐛 Lock and normalize invitation registration checks

Lock active invitation rows during transactional registration and
acceptance so cancellations cannot race with profile or membership
creation.

Normalize invitation emails before comparisons and database lookups.
Add concurrency, email casing, and final flag regression tests.

AI-assisted-by: Space Bunny Free

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Co-authored-by: Sumit Ridhal <sridhal@redhat.com>
2026-09-25 14:13:12 +02:00
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