Fix controllerregistrations permission issue

backend/__fixtures__/controllerregistrations.js

@@ -34,7 +34,7 @@ function getControllerRegistration ({ uid, name, version, resources }) {
 const controllerRegistrationList = [
   getControllerRegistration({
     uid: 1,
-    name: 'foo',
+    name: 'OS Registration',
     version: 'v1.0.0',
     resources: [{
       kind: 'OperatingSystemConfig',
@@ -43,11 +43,31 @@ const controllerRegistrationList = [
   }),
   getControllerRegistration({
     uid: 2,
-    name: 'bar',
+    name: 'Network Registration',
     resources: [{
       kind: 'Network',
       type: 'gardium'
     }]
+  }),
+  getControllerRegistration({
+    uid: 2,
+    name: 'Network Registration 2',
+    resources: [{
+      kind: 'Network',
+      type: 'foobium'
+    },
+    {
+      kind: 'Foo',
+      type: 'bar'
+    }]
+  }),
+  getControllerRegistration({
+    uid: 2,
+    name: 'DNS Registration',
+    resources: [{
+      kind: 'DNSProvider',
+      type: 'gardenland'
+    }]
   })
 ]
 

backend/lib/services/controllerregistrations.js

@@ -6,23 +6,29 @@
 
 'use strict'
 
-const { Forbidden } = require('http-errors')
 const { getControllerRegistrations } = require('../cache')
 const authorization = require('./authorization')
 const _ = require('lodash')
 
+const REQUIRED_RESOURCE_KINDS = ['Network', 'DNSProvider']
 exports.listExtensions = async function ({ user }) {
-  const allowed = await authorization.canListControllerRegistrations(user)
-  if (!allowed) {
-    throw new Forbidden('You are not allowed to list controllerregistrations')
-  }
-
   const controllerregistrations = getControllerRegistrations()
-  return _.map(controllerregistrations, ({ metadata, spec }) => {
-    return {
-      name: metadata.name,
-      version: _.get(spec, 'deployment.providerConfig.values.image.tag'),
-      resources: _.get(spec, 'resources')
+  const allowed = await authorization.canListControllerRegistrations(user)
+  const extensions = []
+  for (const { metadata, spec = {} } of controllerregistrations) {
+    const name = metadata.name
+    if (allowed) {
+      const version = _.get(spec, 'deployment.providerConfig.values.image.tag')
+      const resources = spec.resources
+      extensions.push({ name, version, resources })
+    } else {
+      // required resoure kinds are essential for the frontend and need to be returned even if the user has not the permission to read controllerregistrations
+      const resources = _.filter(spec.resources, ({ kind }) => REQUIRED_RESOURCE_KINDS.includes(kind))
+      // only expose the extension if it contains one of the required resources
+      if (!_.isEmpty(resources)) {
+        extensions.push({ name, resources })
+      }
     }
-  })
+  }
+  return extensions
 }

backend/test/acceptance/__snapshots__/api.controllerregistrations.spec.js.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`api controllerregistrations should return all gardener extensions 1`] = `
+exports[`api controllerregistrations should return all gardener extensions (admin) 1`] = `
 Array [
   Array [
     Object {
@@ -26,10 +26,10 @@ Array [
 ]
 `;
 
-exports[`api controllerregistrations should return all gardener extensions 2`] = `
+exports[`api controllerregistrations should return all gardener extensions (admin) 2`] = `
 Array [
   Object {
-    "name": "foo",
+    "name": "OS Registration",
     "resources": Array [
       Object {
         "kind": "OperatingSystemConfig",
@@ -39,13 +39,93 @@ Array [
     "version": "v1.0.0",
   },
   Object {
-    "name": "bar",
+    "name": "Network Registration",
     "resources": Array [
       Object {
         "kind": "Network",
         "type": "gardium",
       },
     ],
   },
+  Object {
+    "name": "Network Registration 2",
+    "resources": Array [
+      Object {
+        "kind": "Network",
+        "type": "foobium",
+      },
+      Object {
+        "kind": "Foo",
+        "type": "bar",
+      },
+    ],
+  },
+  Object {
+    "name": "DNS Registration",
+    "resources": Array [
+      Object {
+        "kind": "DNSProvider",
+        "type": "gardenland",
+      },
+    ],
+  },
+]
+`;
+
+exports[`api controllerregistrations should return only required registrations and information (admin) 1`] = `
+Array [
+  Array [
+    Object {
+      ":authority": "kubernetes:6443",
+      ":method": "post",
+      ":path": "/apis/authorization.k8s.io/v1/selfsubjectaccessreviews",
+      ":scheme": "https",
+      "authorization": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImpvaG4uZG9lQGV4YW1wbGUub3JnIiwiaWF0IjoxNTc3ODM2ODAwLCJhdWQiOlsiZ2FyZGVuZXIiXSwiZXhwIjozMTU1NzE2ODAwLCJqdGkiOiJqdGkifQ.LkQ9PEN893UNTsZZn2Ux_CAYNOoQ2ISboWuHiAc5HHU",
+    },
+    Object {
+      "apiVersion": "authorization.k8s.io/v1",
+      "kind": "SelfSubjectAccessReview",
+      "spec": Object {
+        "nonResourceAttributes": undefined,
+        "resourceAttributes": Object {
+          "group": "core.gardener.cloud",
+          "resource": "controllerregistrations",
+          "verb": "list",
+        },
+      },
+    },
+  ],
+]
+`;
+
+exports[`api controllerregistrations should return only required registrations and information (admin) 2`] = `
+Array [
+  Object {
+    "name": "Network Registration",
+    "resources": Array [
+      Object {
+        "kind": "Network",
+        "type": "gardium",
+      },
+    ],
+  },
+  Object {
+    "name": "Network Registration 2",
+    "resources": Array [
+      Object {
+        "kind": "Network",
+        "type": "foobium",
+      },
+    ],
+  },
+  Object {
+    "name": "DNS Registration",
+    "resources": Array [
+      Object {
+        "kind": "DNSProvider",
+        "type": "gardenland",
+      },
+    ],
+  },
 ]
 `;

backend/test/acceptance/api.controllerregistrations.spec.js

@@ -26,7 +26,7 @@ describe('api', function () {
   describe('controllerregistrations', function () {
     const user = fixtures.auth.createUser({ id: 'john.doe@example.org' })
 
-    it('should return all gardener extensions', async function () {
+    it('should return all gardener extensions (admin)', async function () {
       mockRequest.mockImplementationOnce(fixtures.auth.mocks.reviewSelfSubjectAccess())
 
       const res = await agent
@@ -40,5 +40,20 @@ describe('api', function () {
 
       expect(res.body).toMatchSnapshot()
     })
+
+    it('should return only required registrations and information (admin)', async function () {
+      mockRequest.mockImplementationOnce(fixtures.auth.mocks.reviewSelfSubjectAccess({ allowed: false }))
+
+      const res = await agent
+        .get('/api/gardener-extensions')
+        .set('cookie', await user.cookie)
+        .expect('content-type', /json/)
+        .expect(200)
+
+      expect(mockRequest).toBeCalledTimes(1)
+      expect(mockRequest.mock.calls).toMatchSnapshot()
+
+      expect(res.body).toMatchSnapshot()
+    })
   })
 })

frontend/src/components/dialogs/InfoDialog.vue

@@ -24,17 +24,19 @@ SPDX-License-Identifier: Apache-2.0
       <div class="grey--text text--darken-1">
         <div class="font-weight-bold">Version Information</div>
         <div v-if="!!dashboardVersion">Dashboard<span class="ml-1 font-weight-bold">{{dashboardVersion}}</span></div>
-        <div v-if="!!gardenerVersion">API<span class="ml-1 font-weight-bold">{{gardenerVersion}}</span></div>
-        <v-divider v-if="extensionsList.length" class="my-3"></v-divider>
-        <div v-if="extensionsList.length" class="font-weight-bold">Extensions ({{extensionsList.length}} deployed)</div>
-        <div
-        v-for="extension in extensionsList"
-        :key="extension.id"
-        class="extension-item">
-          <span>{{extension.name}}</span>
-          <span v-if="!!extension.version"><span class="ml-1 font-weight-bold">{{extension.version}}</span></span>
-          <span v-if="!!extension.kind"> (Kind: {{extension.kind}})</span>
-        </div>
+        <template v-if="isAdmin">
+          <div v-if="!!gardenerVersion">API<span class="ml-1 font-weight-bold">{{gardenerVersion}}</span></div>
+          <v-divider v-if="extensionsList.length" class="my-3"></v-divider>
+          <div v-if="extensionsList.length" class="font-weight-bold">Extensions ({{extensionsList.length}} deployed)</div>
+          <div
+          v-for="extension in extensionsList"
+          :key="extension.id"
+          class="extension-item">
+            <span>{{extension.name}}</span>
+            <span v-if="!!extension.version"><span class="ml-1 font-weight-bold">{{extension.version}}</span></span>
+            <span v-if="!!extension.kind"> (Kind: {{extension.kind}})</span>
+          </div>
+        </template>
       </div>
     </template>
   </g-dialog>