Files
computer-playbook/roles/web-app-opentalk/docs/IAM.md
kevinveenbirkenbachandClaude Opus 4.7 490f0919ab refactor(make): replace INFINITO_CMD with cmd parameter
INFINITO_CMD is a per-invocation argument, not a config value — drop it
from default.env, the passthrough STATIC_KEYS, and the dotenv-generator
test, and rename to lowercase `cmd` in Makefile targets, exec scripts,
internal callers, and user-facing docs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-23 05:31:15 +02:00

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# Identity and Access Management 🔐
OpenTalk authenticates users against the central Keycloak realm via OIDC and looks up users via the Keycloak admin Web API (`keycloak_webapi` backend). OpenLDAP feeds OpenTalk transitively through Keycloak's federation.
## OIDC 🪪
- Issuer URL: `{{ OIDC.CLIENT.ISSUER_URL }}`
- Frontend client ID: `{{ OIDC.CLIENT.ID }}` (shared with the rest of the platform)
- Controller client ID and secret: same shared Keycloak client; the secret is sourced from the central OIDC vault entry
## User Search 🔍
```toml
[user_search]
backend = "keycloak_webapi"
api_base_url = "{{ OPENTALK_KEYCLOAK_BASE_URL }}/admin/realms/{{ OIDC.CLIENT.REALM }}"
users_find_behavior = "from_user_search_backend"
```
The chain is:
```
OpenLDAP ─► Keycloak (LDAP federation) ─► OpenTalk (Keycloak admin API)
```
Any user that exists in OpenLDAP and is reflected into the Keycloak realm can authenticate to OpenTalk and is auto-provisioned in the OpenTalk database on first login. The username equals the LDAP `uid`, delivered via the `preferred_username` claim.
## Admin Role Mapping 👤
Members of the `application_administrators` LDAP group (per requirement 004) receive `groups` claims that OpenTalk maps to elevated permissions. The exact role-to-group mapping is configured via the controller's role policy file or the Keycloak realm role mapper.
## Verify OIDC Discovery 🩺
```bash
make compose-exec cmd="container exec opentalk-controller sh -c 'curl -fsS {{ OIDC.CLIENT.DISCOVERY_DOCUMENT }} | head -c 200'"
```
## Verify Keycloak Admin API Access 🩺
```bash
make compose-exec cmd="container exec opentalk-controller sh -c 'curl -fsS -H \"Authorization: Bearer <token>\" {{ OPENTALK_KEYCLOAK_BASE_URL }}/admin/realms/{{ OIDC.CLIENT.REALM }}/users?search=alice'"
```