Files
mcr/go.sum
Kyle Isom 18756f62b7 Add SSO login support to MCR web UI
MCR can now redirect users to MCIAS for login instead of showing its
own login form. This enables passkey/FIDO2 authentication since WebAuthn
credentials are bound to MCIAS's domain.

- Add optional [sso] config section with redirect_uri
- Add handleSSOLogin (redirects to MCIAS) and handleSSOCallback
  (exchanges code for JWT, validates roles, sets session cookie)
- SSO is opt-in: when redirect_uri is empty, the existing login form
  is used (backward compatible)
- Guest role check preserved in SSO callback path
- Return-to URL preserved across the SSO redirect
- Uses mcdsl/sso package (local replace for now)

Security:
- State cookie uses SameSite=Lax for cross-site redirect compatibility
- Session cookie remains SameSite=Strict (same-site only after login)
- Code exchange is server-to-server over TLS 1.3

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-30 15:30:30 -07:00

100 lines
8.2 KiB
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