keycloak: allow token exchange to portal

services/keycloak/kustomization.yaml

@@ -8,6 +8,7 @@ resources:
   - deployment.yaml
   - realm-settings-job.yaml
   - portal-e2e-client-job.yaml
+  - portal-e2e-target-client-job.yaml
   - ldap-federation-job.yaml
   - user-overrides-job.yaml
   - service.yaml

services/keycloak/portal-e2e-target-client-job.yaml

@@ -0,0 +1,138 @@
+# services/keycloak/portal-e2e-target-client-job.yaml
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: keycloak-portal-e2e-target-1
+  namespace: sso
+spec:
+  backoffLimit: 0
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+        - name: configure
+          image: python:3.11-alpine
+          env:
+            - name: KEYCLOAK_SERVER
+              value: http://keycloak.sso.svc.cluster.local
+            - name: KEYCLOAK_REALM
+              value: atlas
+            - name: KEYCLOAK_ADMIN_USER
+              valueFrom:
+                secretKeyRef:
+                  name: keycloak-admin
+                  key: username
+            - name: KEYCLOAK_ADMIN_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: keycloak-admin
+                  key: password
+            - name: TARGET_CLIENT_ID
+              value: bstein-dev-home
+          command: ["/bin/sh", "-c"]
+          args:
+            - |
+              set -euo pipefail
+              python - <<'PY'
+              import json
+              import os
+              import urllib.parse
+              import urllib.error
+              import urllib.request
+
+              base_url = os.environ["KEYCLOAK_SERVER"].rstrip("/")
+              realm = os.environ["KEYCLOAK_REALM"]
+              admin_user = os.environ["KEYCLOAK_ADMIN_USER"]
+              admin_password = os.environ["KEYCLOAK_ADMIN_PASSWORD"]
+              target_client_id = os.environ["TARGET_CLIENT_ID"]
+
+              def http_json(method: str, url: str, token: str, payload=None):
+                  data = None
+                  headers = {"Authorization": f"Bearer {token}"}
+                  if payload is not None:
+                      data = json.dumps(payload).encode()
+                      headers["Content-Type"] = "application/json"
+                  req = urllib.request.Request(url, data=data, headers=headers, method=method)
+                  try:
+                      with urllib.request.urlopen(req, timeout=30) as resp:
+                          body = resp.read()
+                          if not body:
+                              return resp.status, None
+                          return resp.status, json.loads(body.decode())
+                  except urllib.error.HTTPError as exc:
+                      raw = exc.read()
+                      if not raw:
+                          return exc.code, None
+                      try:
+                          return exc.code, json.loads(raw.decode())
+                      except Exception:
+                          return exc.code, {"raw": raw.decode(errors="replace")}
+
+              def get_admin_token() -> str:
+                  token_data = urllib.parse.urlencode(
+                      {
+                          "grant_type": "password",
+                          "client_id": "admin-cli",
+                          "username": admin_user,
+                          "password": admin_password,
+                      }
+                  ).encode()
+                  req = urllib.request.Request(
+                      f"{base_url}/realms/master/protocol/openid-connect/token",
+                      data=token_data,
+                      headers={"Content-Type": "application/x-www-form-urlencoded"},
+                      method="POST",
+                  )
+                  try:
+                      with urllib.request.urlopen(req, timeout=15) as resp:
+                          body = json.loads(resp.read().decode())
+                  except urllib.error.HTTPError as exc:
+                      raw = exc.read().decode(errors="replace")
+                      raise SystemExit(f"Token request failed: status={exc.code} body={raw}")
+                  return body["access_token"]
+
+              token = get_admin_token()
+
+              status, clients = http_json(
+                  "GET",
+                  f"{base_url}/admin/realms/{realm}/clients?clientId={urllib.parse.quote(target_client_id)}",
+                  token,
+              )
+              if status != 200 or not isinstance(clients, list) or not clients:
+                  raise SystemExit(f"Unable to find target client {target_client_id!r} (status={status})")
+
+              client_uuid = None
+              for item in clients:
+                  if isinstance(item, dict) and item.get("clientId") == target_client_id:
+                      client_uuid = item.get("id")
+                      break
+              if not client_uuid:
+                  raise SystemExit(f"Target client {target_client_id!r} has no id")
+
+              status, client_rep = http_json(
+                  "GET",
+                  f"{base_url}/admin/realms/{realm}/clients/{client_uuid}",
+                  token,
+              )
+              if status != 200 or not isinstance(client_rep, dict):
+                  raise SystemExit(f"Unable to fetch client representation (status={status})")
+
+              attrs = client_rep.get("attributes") or {}
+              updated = False
+              if attrs.get("oauth2.token.exchange.grant.enabled") != "true":
+                  attrs["oauth2.token.exchange.grant.enabled"] = "true"
+                  updated = True
+              client_rep["attributes"] = attrs
+
+              if updated:
+                  status, resp = http_json(
+                      "PUT",
+                      f"{base_url}/admin/realms/{realm}/clients/{client_uuid}",
+                      token,
+                      client_rep,
+                  )
+                  if status not in (200, 204):
+                      raise SystemExit(f"Client update failed (status={status}) resp={resp}")
+
+              print(f"OK: ensured token exchange enabled on client {target_client_id}")
+              PY