dorfteich/docs/vs-nfd
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#217: map IdP groups and roles onto the permission model
Declarative instance setting idpMapping.rules turns ID-token claims into
pond roles and the site-admin flag on every OIDC login — configuration,
not code. Mapped grants travel through the SAME GrantsService path as
manual ones (permission cache invalidated, collab access notify fires so
live sessions revalidate — asserted by test), never raw rows.

Ownership makes precedence explicit: role_grants.origin marks mapped
rows, users.is_site_admin_managed marks a mapping-set admin flag. The
mapping only creates and revokes what it owns — manual wins: hand-made
grants and hand-promoted admins are never revoked by a missing claim (a
manual toggle clears the marker and takes ownership). Removal of a claim
revokes the mapped grant and the managed flag on the next login. Every
mapping-driven change is audited with origin idp_mapping.

Failure containment: unknown pond slugs and the last-Pond-Admin
protection log-and-skip — a mapping problem must never become a login
lockout. Tests drive real OIDC logins against the fake IdP with group
claims: grant + working access, revocation incl. notify, manual-wins,
managed site-admin promote/demote/hands-off.

Documented in permissions.md (own section), ADR 0021, data-model.md and
the hardening guide (care rule: same PR).

Refs #217.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AUtYMxwTCMHG9mVHnwbFg8
2026-07-31 13:09:11 +02:00
..
00-analyse-auftrag.md docs: VS-NfD readiness planning (ist-aufnahme, plan, ADRs 0019-0026, issue drafts) 2026-07-30 01:48:05 +02:00
10-ist-aufnahme.md docs: VS-NfD readiness planning (ist-aufnahme, plan, ADRs 0019-0026, issue drafts) 2026-07-30 01:48:05 +02:00
20-massnahmenplan.md #217: map IdP groups and roles onto the permission model 2026-07-31 13:09:11 +02:00
30-issue-adr-auftrag.md docs: VS-NfD readiness planning (ist-aufnahme, plan, ADRs 0019-0026, issue drafts) 2026-07-30 01:48:05 +02:00
31-issue-entwurf.md docs: VS-NfD readiness planning (ist-aufnahme, plan, ADRs 0019-0026, issue drafts) 2026-07-30 01:48:05 +02:00
40-abgrenzungserklaerung.md #227: hardening guide with the VS-NfD reference configuration 2026-07-31 10:35:26 +02:00
50-haertungsleitfaden.md #217: map IdP groups and roles onto the permission model 2026-07-31 13:09:11 +02:00
60-sicherheitsdokumentation.md #215: trusted reverse-proxy header / mTLS client-certificate path 2026-07-31 12:50:09 +02:00
70-betriebshandbuch.md #229: operations manual (install, update, backup/restore, deletion, roles) 2026-07-31 10:35:26 +02:00
80-grundschutz-mapping.md #230: IT-Grundschutz mapping for APP.3.1 and CON.11.1 2026-07-31 10:35:26 +02:00
90-restrisiken.md #216: hard AUTH_LOCAL_ENABLED switch over every local credential flow 2026-07-31 12:58:07 +02:00