Add OAuth2 mock server for CI testing

test/dropbox/docker-compose.yml

@@ -11,6 +11,17 @@ services:
     volumes:
       - ./user_v2.yaml:/etc/openapi/user_v2.yaml
 
+  oauth2_mock:
+    image: ghcr.io/navikt/mock-oauth2-server:1.0.0
+    ports:
+      - 8090:8090
+    environment:
+      PORT: 8090
+      JSON_CONFIG_PATH: '/etc/oauth2/config.yaml'
+    volumes:
+      - ./oauth2_config.yaml:/etc/oauth2/config.yaml
+    hostname: host.docker.internal
+
   backup:
     image: offen/docker-volume-backup:${TEST_VERSION:-canary}
     hostname: hostnametoken
@@ -25,6 +36,7 @@ services:
       BACKUP_PRUNING_LEEWAY: 5s
       BACKUP_PRUNING_PREFIX: test
       DROPBOX_ENDPOINT: http://openapi_mock:8080
+      DROPBOX_OAUTH2_ENDPOINT: http://oauth2_mock:8090
       DROPBOX_REFRESH_TOKEN: test
       DROPBOX_APP_KEY: test
       DROPBOX_APP_SECRET: test

test/dropbox/oauth2_config.yaml

@@ -0,0 +1,32 @@
+{
+   "issuer":"http://localhost:8090/default",
+   "authorization_endpoint":"http://localhost:8090/default/authorize",
+   "end_session_endpoint" : "http://localhost:8090/default/endsession",
+   "revocation_endpoint" : "http://localhost:8090/default/revoke",
+   "token_endpoint":"http://localhost:8090/default/token",
+   "userinfo_endpoint":"http://localhost:8090/default/userinfo",
+   "jwks_uri":"http://localhost:8090/default/jwks",
+   "introspection_endpoint":"http://localhost:8090/default/introspect",
+   "response_types_supported":[
+      "query",
+      "fragment",
+      "form_post"
+   ],
+   "subject_types_supported":[
+      "public"
+   ],
+   "id_token_signing_alg_values_supported":[
+     "ES256",
+     "ES384",
+     "RS256",
+     "RS384",
+     "RS512",
+     "PS256",
+     "PS384",
+     "PS512"
+   ],
+  "code_challenge_methods_supported":[
+      "plain", 
+      "S256" 
+  ]
+}