khannurien f1bc23a65e v4: an instance can be named by the address of its pages — sign-in and the trust list took only an instance's issuer, its API's origin, so where the pages live elsewhere the address people see in their browser named no instance: in development, localhost:3000 answered its /.well-known with index.html, and the sign-in failed as "doesn't answer as a gerbeur". resolveIssuer (remote/gerbeur-instance.ts) now reads the metadata at the address given and, when it names another issuer, takes it only if that issuer's own metadata names those pages back as where its /authorize is, so an impostor can't claim one; sign-in, the trust list and the check against this instance go through it. The Vite dev server passes /.well-known on to its API, as whatever serves the pages must in production (README). A handle still carries the API's host. ...

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-09 22:14:21 +00:00

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