feat: Implement querying openedx-authz for publish permissions

src/authz/constants.ts

@@ -0,0 +1,16 @@
+export const CONTENT_LIBRARY_PERMISSIONS = {
+  DELETE_LIBRARY: 'content_libraries.delete_library',
+  MANAGE_LIBRARY_TAGS: 'content_libraries.manage_library_tags',
+  VIEW_LIBRARY: 'content_libraries.view_library',
+
+  EDIT_LIBRARY_CONTENT: 'content_libraries.edit_library_content',
+  PUBLISH_LIBRARY_CONTENT: 'content_libraries.publish_library_content',
+  REUSE_LIBRARY_CONTENT: 'content_libraries.reuse_library_content',
+
+  CREATE_LIBRARY_COLLECTION: 'content_libraries.create_library_collection',
+  EDIT_LIBRARY_COLLECTION: 'content_libraries.edit_library_collection',
+  DELETE_LIBRARY_COLLECTION: 'content_libraries.delete_library_collection',
+
+  MANAGE_LIBRARY_TEAM: 'content_libraries.manage_library_team',
+  VIEW_LIBRARY_TEAM: 'content_libraries.view_library_team',
+};

src/authz/data/api.ts

@@ -0,0 +1,41 @@
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import {
+  PermissionValidationAnswer,
+  PermissionValidationQuery,
+  PermissionValidationRequestItem,
+  PermissionValidationResponseItem,
+} from '@src/authz/types';
+import { getApiUrl } from './utils';
+
+export const validateUserPermissions = async (
+  query: PermissionValidationQuery,
+): Promise<PermissionValidationAnswer> => {
+  // Convert the validations query object into an array for the API request
+  const request: PermissionValidationRequestItem[] = Object.values(query);
+
+  const { data }: { data: PermissionValidationResponseItem[] } = await getAuthenticatedHttpClient().post(
+    getApiUrl('/api/authz/v1/permissions/validate/me'),
+    request,
+  );
+
+  // Convert the API response back into the expected answer format
+  const result: PermissionValidationAnswer = {};
+  data.forEach((item: { action: string; scope?: string; allowed: boolean }) => {
+    const key = Object.keys(query).find(
+      (k) => query[k].action === item.action
+        && query[k].scope === item.scope,
+    );
+    if (key) {
+      result[key] = item.allowed;
+    }
+  });
+
+  // Fill any missing keys with false
+  Object.keys(query).forEach((key) => {
+    if (!(key in result)) {
+      result[key] = false;
+    }
+  });
+
+  return result;
+};

src/authz/data/apiHooks.test.tsx

@@ -0,0 +1,168 @@
+import { act, ReactNode } from 'react';
+import { renderHook, waitFor } from '@testing-library/react';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { useUserPermissions } from './apiHooks';
+
+jest.mock('@edx/frontend-platform/auth', () => ({
+  getAuthenticatedHttpClient: jest.fn(),
+}));
+
+const createWrapper = () => {
+  const queryClient = new QueryClient({
+    defaultOptions: {
+      queries: {
+        retry: false,
+      },
+    },
+  });
+
+  const wrapper = ({ children }: { children: ReactNode }) => (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  );
+
+  return wrapper;
+};
+
+const singlePermission = {
+  canRead: {
+    action: 'example.read',
+    scope: 'lib:example-org:test-lib',
+  },
+};
+
+const mockValidSinglePermission = [
+  { action: 'example.read', scope: 'lib:example-org:test-lib', allowed: true },
+];
+
+const mockInvalidSinglePermission = [
+  { action: 'example.read', scope: 'lib:example-org:test-lib', allowed: false },
+];
+
+const mockEmptyPermissions = [
+  // No permissions returned
+];
+
+const multiplePermissions = {
+  canRead: {
+    action: 'example.read',
+    scope: 'lib:example-org:test-lib',
+  },
+  canWrite: {
+    action: 'example.write',
+    scope: 'lib:example-org:test-lib',
+  },
+};
+
+const mockValidMultiplePermissions = [
+  { action: 'example.read', scope: 'lib:example-org:test-lib', allowed: true },
+  { action: 'example.write', scope: 'lib:example-org:test-lib', allowed: true },
+];
+
+const mockInvalidMultiplePermissions = [
+  { action: 'example.read', scope: 'lib:example-org:test-lib', allowed: false },
+  { action: 'example.write', scope: 'lib:example-org:test-lib', allowed: false },
+];
+
+describe('useUserPermissions', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('returns allowed true when permission is valid', async () => {
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockResolvedValueOnce({ data: mockValidSinglePermission }),
+    });
+
+    const { result } = renderHook(() => useUserPermissions(singlePermission), {
+      wrapper: createWrapper(),
+    });
+
+    await waitFor(() => expect(result.current).toBeDefined());
+    await waitFor(() => expect(result.current.data).toBeDefined());
+
+    expect(getAuthenticatedHttpClient).toHaveBeenCalled();
+    expect(result.current.data!.canRead).toBe(true);
+  });
+
+  it('returns allowed false when permission is invalid', async () => {
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockResolvedValue({ data: mockInvalidSinglePermission }),
+    });
+
+    const { result } = renderHook(() => useUserPermissions(singlePermission), {
+      wrapper: createWrapper(),
+    });
+    await waitFor(() => expect(result.current).toBeDefined());
+    await waitFor(() => expect(result.current.data).toBeDefined());
+
+    expect(getAuthenticatedHttpClient).toHaveBeenCalled();
+    expect(result.current.data!.canRead).toBe(false);
+  });
+
+  it('returns allowed true when multiple permissions are valid', async () => {
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockResolvedValueOnce({ data: mockValidMultiplePermissions }),
+    });
+
+    const { result } = renderHook(() => useUserPermissions(multiplePermissions), {
+      wrapper: createWrapper(),
+    });
+
+    await waitFor(() => expect(result.current).toBeDefined());
+    await waitFor(() => expect(result.current.data).toBeDefined());
+
+    expect(getAuthenticatedHttpClient).toHaveBeenCalled();
+    expect(result.current.data!.canRead).toBe(true);
+    expect(result.current.data!.canWrite).toBe(true);
+  });
+
+  it('returns allowed false when multiple permissions are invalid', async () => {
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockResolvedValue({ data: mockInvalidMultiplePermissions }),
+    });
+
+    const { result } = renderHook(() => useUserPermissions(multiplePermissions), {
+      wrapper: createWrapper(),
+    });
+    await waitFor(() => expect(result.current).toBeDefined());
+    await waitFor(() => expect(result.current.data).toBeDefined());
+
+    expect(getAuthenticatedHttpClient).toHaveBeenCalled();
+    expect(result.current.data!.canRead).toBe(false);
+    expect(result.current.data!.canWrite).toBe(false);
+  });
+
+  it('returns allowed false when the permission is not included in the server response', async () => {
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockResolvedValue({ data: mockEmptyPermissions }),
+    });
+
+    const { result } = renderHook(() => useUserPermissions(singlePermission), {
+      wrapper: createWrapper(),
+    });
+    await waitFor(() => expect(result.current).toBeDefined());
+    await waitFor(() => expect(result.current.data).toBeDefined());
+
+    expect(getAuthenticatedHttpClient).toHaveBeenCalled();
+    expect(result.current.data!.canRead).toBe(false);
+  });
+
+  it('handles error when the API call fails', async () => {
+    const mockError = new Error('API Error');
+
+    getAuthenticatedHttpClient.mockReturnValue({
+      post: jest.fn().mockRejectedValue(new Error('API Error')),
+    });
+
+    try {
+      act(() => {
+        renderHook(() => useUserPermissions(singlePermission), {
+          wrapper: createWrapper(),
+        });
+      });
+    } catch (error) {
+      expect(error).toEqual(mockError); // Check for the expected error
+    }
+  });
+});

src/authz/data/apiHooks.ts

@@ -0,0 +1,36 @@
+import { useQuery } from '@tanstack/react-query';
+import { PermissionValidationAnswer, PermissionValidationQuery } from '@src/authz/types';
+import { validateUserPermissions } from './api';
+
+const adminConsoleQueryKeys = {
+  all: ['authz'],
+  permissions: (permissions: PermissionValidationQuery) => [...adminConsoleQueryKeys.all, 'validatePermissions', permissions] as const,
+};
+
+/**
+ * React Query hook to validate if the current user has permissions over a certain object in the instance.
+ * It helps to:
+ * - Determine whether the current user can access certain object.
+ * - Provide role-based rendering logic for UI components.
+ *
+ * @param permissions - A key/value map of objects and actions to validate.
+ * The key is an arbitrary string to identify the permission check,
+ * and the value is an object containing the action and optional scope.
+ *
+ * @example
+ * const { isLoading, data } = useUserPermissions({
+ *     canRead: {
+ *         action: "content_libraries.view_library",
+ *         scope: "lib:OpenedX:CSPROB"
+ *      }
+ *    });
+ * if (data.canRead) { ... }
+ *
+ */
+export const useUserPermissions = (
+  permissions: PermissionValidationQuery,
+) => useQuery<PermissionValidationAnswer, Error>({
+  queryKey: adminConsoleQueryKeys.permissions(permissions),
+  queryFn: () => validateUserPermissions(permissions),
+  retry: false,
+});

src/authz/data/utils.ts

@@ -0,0 +1,4 @@
+import { getConfig } from '@edx/frontend-platform';
+
+export const getApiUrl = (path: string) => `${getConfig().LMS_BASE_URL}${path || ''}`;
+export const getStudioApiUrl = (path: string) => `${getConfig().STUDIO_BASE_URL}${path || ''}`;

src/authz/types.ts

@@ -0,0 +1,16 @@
+export interface PermissionValidationRequestItem {
+  action: string;
+  scope?: string;
+}
+
+export interface PermissionValidationResponseItem extends PermissionValidationRequestItem {
+  allowed: boolean;
+}
+
+export interface PermissionValidationQuery {
+  [permissionKey: string]: PermissionValidationRequestItem;
+}
+
+export interface PermissionValidationAnswer {
+  [permissionKey: string]: boolean;
+}

src/library-authoring/common/context/LibraryContext.tsx

@@ -7,6 +7,8 @@ import {
   useState,
 } from 'react';
 import { useParams } from 'react-router-dom';
+import { useUserPermissions } from '@src/authz/data/apiHooks';
+import { CONTENT_LIBRARY_PERMISSIONS } from '@src/authz/constants';
 import { ContainerType } from '../../../generic/key-utils';
 
 import type { ComponentPicker } from '../../component-picker';
@@ -25,6 +27,7 @@ export type LibraryContextData = {
   libraryId: string;
   libraryData?: ContentLibrary;
   readOnly: boolean;
+  canPublish: boolean;
   isLoadingLibraryData: boolean;
   /** The ID of the current collection/container, on the sidebar OR page */
   collectionId: string | undefined;
@@ -107,6 +110,13 @@ export const LibraryProvider = ({
     componentPickerMode,
   } = useComponentPickerContext();
 
+  const { isLoading: isLoadingUserPermissions, data: userPermissions } = useUserPermissions({
+    canPublish: {
+      action: CONTENT_LIBRARY_PERMISSIONS.PUBLISH_LIBRARY_CONTENT,
+      scope: libraryId,
+    },
+  });
+  const canPublish = userPermissions?.canPublish || false;
   const readOnly = !!componentPickerMode || !libraryData?.canEditLibrary;
 
   // Parse the initial collectionId and/or container ID(s) from the current URL params
@@ -131,7 +141,8 @@ export const LibraryProvider = ({
       containerId,
       setContainerId,
       readOnly,
-      isLoadingLibraryData,
+      canPublish,
+      isLoadingLibraryData: isLoadingLibraryData || isLoadingUserPermissions,
       showOnlyPublished,
       extraFilter,
       isCreateCollectionModalOpen,
@@ -154,7 +165,9 @@ export const LibraryProvider = ({
     containerId,
     setContainerId,
     readOnly,
+    canPublish,
     isLoadingLibraryData,
+    isLoadingUserPermissions,
     showOnlyPublished,
     extraFilter,
     isCreateCollectionModalOpen,

src/library-authoring/library-info/LibraryInfo.test.tsx

@@ -8,6 +8,7 @@ import {
   waitFor,
   initializeMocks,
 } from '@src/testUtils';
+import { validateUserPermissions } from '@src/authz/data/api';
 import { mockContentLibrary } from '../data/api.mocks';
 import { getCommitLibraryChangesUrl } from '../data/api';
 import { LibraryProvider } from '../common/context/LibraryContext';
@@ -33,6 +34,7 @@ const render = (libraryId: string = mockLibraryId) => baseRender(<LibraryInfo />
 
 let axiosMock: MockAdapter;
 let mockShowToast: (message: string) => void;
+let validateUserPermissionsMock: jest.SpiedFunction<typeof validateUserPermissions>;
 
 mockContentLibrary.applyMock();
 
@@ -41,6 +43,9 @@ describe('<LibraryInfo />', () => {
     const mocks = initializeMocks();
     axiosMock = mocks.axiosMock;
     mockShowToast = mocks.mockShowToast;
+    validateUserPermissionsMock = mocks.validateUserPermissionsMock;
+
+    validateUserPermissionsMock.mockResolvedValue({ canPublish: true });
   });
 
   afterEach(() => {

src/library-authoring/library-info/LibraryPublishStatus.tsx

@@ -12,7 +12,7 @@ import messages from './messages';
 
 const LibraryPublishStatus = () => {
   const intl = useIntl();
-  const { libraryData, readOnly } = useLibraryContext();
+  const { libraryData, readOnly, canPublish } = useLibraryContext();
   const [isConfirmModalOpen, openConfirmModal, closeConfirmModal] = useToggle(false);
 
   const commitLibraryChanges = useCommitLibraryChanges();
@@ -51,10 +51,10 @@ const LibraryPublishStatus = () => {
     <>
       <StatusWidget
         {...libraryData}
-        onCommit={!readOnly ? commit : undefined}
+        onCommit={!readOnly && canPublish ? commit : undefined}
         onCommitStatus={commitLibraryChanges.status}
         onCommitLabel={intl.formatMessage(messages.publishLibraryButtonLabel)}
-        onRevert={!readOnly ? openConfirmModal : undefined}
+        onRevert={!readOnly && canPublish ? openConfirmModal : undefined}
       />
       <DeleteModal
         isOpen={isConfirmModalOpen}