feat: permission matrix (PoC) (#6223)

## About the changes
This is a rough initial version as a PoC for a permission matrix. 

This is only available after enabling the flag `userAccessUIEnabled`
that is set to true by default in local development.

The access was added to the users' admin page but could be embedded in
different contexts (e.g. when assigning a role to a user):

![image](https://github.com/Unleash/unleash/assets/455064/3f541f46-99bb-409b-a0fe-13f5d3f9572a)


This is how the matrix looks like

![screencapture-localhost-3000-admin-users-3-access-2024-02-13-12_15_44](https://github.com/Unleash/unleash/assets/455064/183deeb6-a0dc-470f-924c-f435c6196407)

---------

Co-authored-by: Nuno Góis <github@nunogois.com>

frontend/src/component/admin/users/AccessMatrix/AccessMatrix.tsx

@@ -0,0 +1,122 @@
+import { PageContent } from 'component/common/PageContent/PageContent';
+import { PageHeader } from 'component/common/PageHeader/PageHeader';
+import { useRequiredPathParam } from 'hooks/useRequiredPathParam';
+import useUserInfo from 'hooks/api/getters/useUserInfo/useUserInfo';
+import { PermissionsTable } from './PermissionsTable';
+import { styled, useMediaQuery } from '@mui/material';
+import { useEffect, useState } from 'react';
+import { useEnvironments } from 'hooks/api/getters/useEnvironments/useEnvironments';
+import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
+import theme from 'themes/theme';
+import { StringParam, useQueryParams } from 'use-query-params';
+import useProjects from 'hooks/api/getters/useProjects/useProjects';
+import { AccessMatrixSelect } from './AccessMatrixSelect';
+import { useUserAccessMatrix } from 'hooks/api/getters/useUserAccessMatrix/useUserAccessMatrix';
+
+const StyledActionsContainer = styled('div')(({ theme }) => ({
+    display: 'flex',
+    flex: 1,
+    gap: theme.spacing(1),
+    maxWidth: 600,
+    [theme.breakpoints.down('md')]: {
+        flexDirection: 'column',
+        maxWidth: '100%',
+    },
+}));
+
+const StyledTitle = styled('h2')(({ theme }) => ({
+    margin: theme.spacing(2, 0),
+}));
+
+export const AccessMatrix = () => {
+    const id = useRequiredPathParam('id');
+    const [query, setQuery] = useQueryParams({
+        project: StringParam,
+        environment: StringParam,
+    });
+    const { projects } = useProjects();
+    const { environments } = useEnvironments();
+    const { user, loading } = useUserInfo(id);
+
+    const isSmallScreen = useMediaQuery(theme.breakpoints.down('md'));
+
+    const [project, setProject] = useState(query.project ?? '');
+    const [environment, setEnvironment] = useState(
+        query.environment ?? undefined,
+    );
+
+    const { matrix, rootRole, projectRoles } = useUserAccessMatrix(
+        id,
+        project,
+        environment,
+    );
+
+    useEffect(() => {
+        setQuery(
+            {
+                project: project || undefined,
+                environment,
+            },
+            'replace',
+        );
+    }, [project, environment]);
+
+    const AccessActions = (
+        <StyledActionsContainer>
+            <AccessMatrixSelect
+                label='Project'
+                options={projects}
+                getOptionLabel={(option) => option?.name ?? ''}
+                value={projects.find(({ id }) => id === project)}
+                setValue={(value) => setProject(value?.id ?? '')}
+            />
+            <AccessMatrixSelect
+                label='Environment'
+                options={environments}
+                getOptionLabel={(option) =>
+                    option?.name.concat(
+                        !option.enabled ? ' - deprecated' : '',
+                    ) ?? ''
+                }
+                value={environments.find(({ name }) => name === environment)}
+                setValue={(value) => setEnvironment(value?.name)}
+            />
+        </StyledActionsContainer>
+    );
+
+    return (
+        <PageContent
+            isLoading={loading}
+            header={
+                <PageHeader
+                    title={`Access for ${user.name ?? user.username}`}
+                    actions={
+                        <ConditionallyRender
+                            condition={!isSmallScreen}
+                            show={AccessActions}
+                        />
+                    }
+                >
+                    <ConditionallyRender
+                        condition={isSmallScreen}
+                        show={AccessActions}
+                    />
+                </PageHeader>
+            }
+        >
+            <StyledTitle>
+                Root permissions for role {rootRole?.name}
+            </StyledTitle>
+            <PermissionsTable permissions={matrix?.root ?? []} />
+            <StyledTitle>
+                Project permissions for project {project} with project roles [
+                {projectRoles?.map((role: any) => role.name).join(', ')}]
+            </StyledTitle>
+            <PermissionsTable permissions={matrix?.project ?? []} />
+            <StyledTitle>
+                Environment permissions for environment {environment}
+            </StyledTitle>
+            <PermissionsTable permissions={matrix?.environment ?? []} />
+        </PageContent>
+    );
+};

frontend/src/component/admin/users/AccessMatrix/AccessMatrixSelect.tsx

@@ -0,0 +1,29 @@
+import { Autocomplete, AutocompleteProps, TextField } from '@mui/material';
+
+interface IAccessMatrixSelectProps<T>
+    extends Partial<AutocompleteProps<T, false, false, false>> {
+    label: string;
+    options: T[];
+    value: T;
+    setValue: (role: T | null) => void;
+}
+
+export const AccessMatrixSelect = <T,>({
+    label,
+    options,
+    value,
+    setValue,
+    ...rest
+}: IAccessMatrixSelectProps<T>) => (
+    <Autocomplete
+        options={options}
+        value={value}
+        onChange={(_, value) => setValue(value)}
+        renderInput={(params) => (
+            <TextField {...params} label={label} fullWidth />
+        )}
+        size='small'
+        fullWidth
+        {...rest}
+    />
+);

frontend/src/component/admin/users/AccessMatrix/PermissionsTable.tsx

@@ -0,0 +1,80 @@
+import { useMemo, useRef } from 'react';
+import { TablePlaceholder, VirtualizedTable } from 'component/common/Table';
+import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
+import { useFlexLayout, useSortBy, useTable } from 'react-table';
+import { sortTypes } from 'utils/sortTypes';
+import { IconCell } from 'component/common/Table/cells/IconCell/IconCell';
+import { Check, Close } from '@mui/icons-material';
+import { Box } from '@mui/material';
+import { IMatrixPermission } from 'interfaces/permissions';
+
+export const PermissionsTable = ({
+    permissions,
+}: {
+    permissions: IMatrixPermission[];
+}) => {
+    const columns = useMemo(
+        () => [
+            {
+                Header: 'Permission',
+                accessor: 'name',
+                minWidth: 100,
+            },
+            {
+                Header: 'Description',
+                accessor: 'displayName',
+                minWidth: 180,
+            },
+            {
+                Header: 'Has permission',
+                accessor: 'hasPermission',
+                Cell: ({ value }: { value: boolean }) => (
+                    <IconCell
+                        icon={
+                            value ? (
+                                <Check color='success' />
+                            ) : (
+                                <Close color='error' />
+                            )
+                        }
+                    />
+                ),
+            },
+        ],
+        [permissions],
+    );
+
+    const initialState = {
+        sortBy: [{ id: 'name', desc: true }],
+    };
+
+    const { headerGroups, rows, prepareRow } = useTable(
+        {
+            columns: columns as any,
+            data: permissions ?? [],
+            initialState,
+            sortTypes,
+        },
+        useSortBy,
+        useFlexLayout,
+    );
+
+    const parentRef = useRef<HTMLElement | null>(null);
+
+    return (
+        <Box sx={{ maxHeight: 500, overflow: 'auto' }} ref={parentRef}>
+            <VirtualizedTable
+                rows={rows}
+                headerGroups={headerGroups}
+                prepareRow={prepareRow}
+                parentRef={parentRef}
+            />
+            <ConditionallyRender
+                condition={rows.length === 0}
+                show={
+                    <TablePlaceholder>No permissions found.</TablePlaceholder>
+                }
+            />
+        </Box>
+    );
+};

frontend/src/component/admin/users/UsersAdmin.tsx

@@ -6,6 +6,7 @@ import { Route, Routes } from 'react-router-dom';
 import EditUser from './EditUser/EditUser';
 import NotFound from 'component/common/NotFound/NotFound';
 import { InactiveUsersList } from './InactiveUsersList/InactiveUsersList';
+import { AccessMatrix } from './AccessMatrix/AccessMatrix';
 
 export const UsersAdmin = () => (
     <div>
@@ -21,6 +22,7 @@ export const UsersAdmin = () => (
                     }
                 />
                 <Route path=':id/edit' element={<EditUser />} />
+                <Route path=':id/access' element={<AccessMatrix />} />
                 <Route path='inactive' element={<InactiveUsersList />} />
                 <Route path='*' element={<NotFound />} />
             </Routes>

frontend/src/component/admin/users/UsersList/UsersActionsCell/UsersActionsCell.tsx

@@ -1,5 +1,6 @@
-import { Delete, Edit, Lock, LockReset } from '@mui/icons-material';
+import { Delete, Edit, Key, Lock, LockReset } from '@mui/icons-material';
 import { Box, styled } from '@mui/material';
+import { ConditionallyRender } from 'component/common/ConditionallyRender/ConditionallyRender';
 import PermissionIconButton from 'component/common/PermissionIconButton/PermissionIconButton';
 import { ADMIN } from 'component/providers/AccessProvider/permissions';
 import { VFC } from 'react';
@@ -11,6 +12,7 @@ const StyledBox = styled(Box)(() => ({
 
 interface IUsersActionsCellProps {
     onEdit: (event: React.SyntheticEvent) => void;
+    onViewAccess?: (event: React.SyntheticEvent) => void;
     onChangePassword: (event: React.SyntheticEvent) => void;
     onResetPassword: (event: React.SyntheticEvent) => void;
     onDelete: (event: React.SyntheticEvent) => void;
@@ -18,6 +20,7 @@ interface IUsersActionsCellProps {
 
 export const UsersActionsCell: VFC<IUsersActionsCellProps> = ({
     onEdit,
+    onViewAccess,
     onChangePassword,
     onResetPassword,
     onDelete,
@@ -34,6 +37,23 @@ export const UsersActionsCell: VFC<IUsersActionsCellProps> = ({
             >
                 <Edit />
             </PermissionIconButton>
+
+            <ConditionallyRender
+                condition={Boolean(onViewAccess)}
+                show={
+                    <PermissionIconButton
+                        data-loading
+                        onClick={onViewAccess!}
+                        permission={ADMIN}
+                        tooltipProps={{
+                            title: 'Access matrix',
+                        }}
+                    >
+                        <Key />
+                    </PermissionIconButton>
+                }
+            />
+
             <PermissionIconButton
                 data-loading
                 onClick={onChangePassword}

frontend/src/component/admin/users/UsersList/UsersList.tsx

@@ -34,8 +34,8 @@ import { UserLimitWarning } from './UserLimitWarning/UserLimitWarning';
 import { RoleCell } from 'component/common/Table/cells/RoleCell/RoleCell';
 import { useSearch } from 'hooks/useSearch';
 import { Download } from '@mui/icons-material';
-import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import { StyledUsersLinkDiv } from '../Users.styles';
+import { useUiFlag } from 'hooks/useUiFlag';
 
 const UsersList = () => {
     const navigate = useNavigate();
@@ -52,7 +52,7 @@ const UsersList = () => {
     }>({
         open: false,
     });
-    const { isEnterprise } = useUiConfig();
+    const userAccessUIEnabled = useUiFlag('userAccessUIEnabled');
     const [delDialog, setDelDialog] = useState(false);
     const [showConfirm, setShowConfirm] = useState(false);
     const [emailSent, setEmailSent] = useState(false);
@@ -195,12 +195,21 @@ const UsersList = () => {
                         onEdit={() => {
                             navigate(`/admin/users/${user.id}/edit`);
                         }}
+                        onViewAccess={
+                            userAccessUIEnabled
+                                ? () => {
+                                      navigate(
+                                          `/admin/users/${user.id}/access`,
+                                      );
+                                  }
+                                : undefined
+                        }
                         onChangePassword={openPwDialog(user)}
                         onResetPassword={openResetPwDialog(user)}
                         onDelete={openDelDialog(user)}
                     />
                 ),
-                width: 200,
+                width: userAccessUIEnabled ? 240 : 200,
                 disableSortBy: true,
             },
             // Always hidden -- for search
@@ -216,7 +225,7 @@ const UsersList = () => {
                 searchable: true,
             },
         ],
-        [roles, navigate, isBillingUsers],
+        [roles, navigate, isBillingUsers, userAccessUIEnabled],
     );
 
     const initialState = useMemo(() => {

frontend/src/hooks/api/getters/useUserAccessMatrix/useUserAccessMatrix.ts

@@ -0,0 +1,61 @@
+import { useMemo } from 'react';
+import { formatApiPath } from 'utils/formatPath';
+import handleErrorResponses from '../httpErrorResponseHandler';
+import useSWR from 'swr';
+import { IRole } from 'interfaces/role';
+import { IUser } from 'interfaces/user';
+import { IMatrixPermission } from 'interfaces/permissions';
+
+interface IUserAccessMatrix {
+    root: IMatrixPermission[];
+    project: IMatrixPermission[];
+    environment: IMatrixPermission[];
+}
+
+interface IUserAccessMatrixResponse {
+    matrix: IUserAccessMatrix;
+    projectRoles: IRole[];
+    rootRole: IRole;
+    user: IUser;
+}
+
+interface IUserAccessMatrixOutput extends Partial<IUserAccessMatrixResponse> {
+    loading: boolean;
+    refetch: () => void;
+    error?: Error;
+}
+
+export const useUserAccessMatrix = (
+    id: string,
+    project?: string,
+    environment?: string,
+): IUserAccessMatrixOutput => {
+    const queryParams = `${project ? `?project=${project}` : ''}${
+        environment ? `${project ? '&' : '?'}environment=${environment}` : ''
+    }`;
+    const url = `api/admin/user-admin/${id}/permissions${queryParams}`;
+
+    const { data, error, mutate } = useSWR<IUserAccessMatrixResponse>(
+        formatApiPath(url),
+        fetcher,
+    );
+
+    return useMemo(
+        () => ({
+            matrix: data?.matrix,
+            projectRoles: data?.projectRoles,
+            rootRole: data?.rootRole,
+            user: data?.user,
+            loading: !error && !data,
+            refetch: () => mutate(),
+            error,
+        }),
+        [data, error, mutate],
+    );
+};
+
+const fetcher = (path: string) => {
+    return fetch(path)
+        .then(handleErrorResponses('User access matrix'))
+        .then((res) => res.json());
+};

frontend/src/interfaces/permissions.ts

@@ -36,3 +36,7 @@ export interface IPermissionCategory {
     type: PermissionType;
     permissions: IPermission[];
 }
+
+export interface IMatrixPermission extends IPermission {
+    hasPermission: boolean;
+}

frontend/src/interfaces/uiConfig.ts

@@ -79,6 +79,7 @@ export type UiFlags = {
     displayUpgradeEdgeBanner?: boolean;
     showInactiveUsers?: boolean;
     featureSearchFeedbackPosting?: boolean;
+    userAccessUIEnabled?: boolean;
     sdkReporting?: boolean;
 };
 

src/lib/__snapshots__/create-config.test.ts.snap

@@ -138,6 +138,7 @@ exports[`should create default config 1`] = `
       "strictSchemaValidation": false,
       "stripClientHeadersOn304": false,
       "useMemoizedActiveTokens": false,
+      "userAccessUIEnabled": false,
     },
     "externalResolver": {
       "getVariant": [Function],

src/lib/routes/admin-api/user-admin.ts

@@ -56,6 +56,7 @@ import {
     createUserResponseSchema,
     CreateUserResponseSchema,
 } from '../../openapi/spec/create-user-response-schema';
+import { IRoleWithPermissions } from '../../types/stores/access-store';
 
 export default class UserAdminController extends Controller {
     private flagResolver: IFlagResolver;
@@ -247,6 +248,44 @@ export default class UserAdminController extends Controller {
             ],
         });
 
+        this.route({
+            method: 'get',
+            path: '/:id/permissions',
+            permission: ADMIN,
+            handler: this.getPermissions,
+            middleware: [
+                openApiService.validPath({
+                    tags: ['Auth'],
+                    operationId: 'getUserPermissions',
+                    summary: 'Returns the list of permissions for the user',
+                    description:
+                        'Gets a list of permissions for a user, additional project and environment can be specified.',
+                    parameters: [
+                        {
+                            name: 'project',
+                            in: 'query',
+                            required: false,
+                            schema: {
+                                type: 'string',
+                            },
+                        },
+                        {
+                            name: 'environment',
+                            in: 'query',
+                            required: false,
+                            schema: {
+                                type: 'string',
+                            },
+                        },
+                    ],
+                    responses: {
+                        200: emptyResponse, // TODO define schema
+                        ...getStandardResponses(401, 403, 415),
+                    },
+                }),
+            ],
+        });
+
         this.route({
             method: 'get',
             path: '/admin-count',
@@ -636,4 +675,45 @@ export default class UserAdminController extends Controller {
             adminCount,
         );
     }
+
+    async getPermissions(
+        req: IAuthRequest<
+            { id: number },
+            unknown,
+            unknown,
+            { project?: string; environment?: string }
+        >,
+        res: Response,
+    ): Promise<void> {
+        const { project, environment } = req.query;
+        const user = await this.userService.getUser(req.params.id);
+        const rootRole = await this.accessService.getRootRoleForUser(user.id);
+        let projectRoles: IRoleWithPermissions[] = [];
+        if (project) {
+            const projectRoleIds =
+                await this.accessService.getProjectRolesForUser(
+                    project,
+                    user.id,
+                );
+
+            projectRoles = await Promise.all(
+                projectRoleIds.map((roleId) =>
+                    this.accessService.getRole(roleId),
+                ),
+            );
+        }
+        const matrix = await this.accessService.permissionsMatrixForUser(
+            user,
+            project,
+            environment,
+        );
+
+        // TODO add response validation based on the schema
+        res.status(200).json({
+            matrix,
+            user,
+            rootRole,
+            projectRoles,
+        });
+    }
 }

src/lib/services/access-service.ts

@@ -63,6 +63,14 @@ const PROJECT_ADMIN = [
 export type IdPermissionRef = Pick<IPermission, 'id' | 'environment'>;
 export type NamePermissionRef = Pick<IPermission, 'name' | 'environment'>;
 export type PermissionRef = IdPermissionRef | NamePermissionRef;
+type MatrixPermission = IPermission & {
+    hasPermission: boolean;
+};
+type PermissionMatrix = {
+    root: MatrixPermission[];
+    project: MatrixPermission[];
+    environment: MatrixPermission[];
+};
 
 type APIUser = Pick<IUser, 'id' | 'permissions'> & { isAPI: true };
 type NonAPIUser = Pick<IUser, 'id'> & { isAPI?: false };
@@ -138,6 +146,32 @@ export class AccessService {
         this.eventService = eventService;
     }
 
+    private meetsAllPermissions(
+        userP: IUserPermission[],
+        permissionsArray: string[],
+        projectId?: string,
+        environment?: string,
+    ) {
+        return userP
+            .filter(
+                (p) =>
+                    !p.project ||
+                    p.project === projectId ||
+                    p.project === ALL_PROJECTS,
+            )
+            .filter(
+                (p) =>
+                    !p.environment ||
+                    p.environment === environment ||
+                    p.environment === ALL_ENVS,
+            )
+            .some(
+                (p) =>
+                    permissionsArray.includes(p.permission) ||
+                    p.permission === ADMIN,
+            );
+    }
+
     /**
      * Used to check if a user has access to the requested resource
      *
@@ -166,24 +200,12 @@ export class AccessService {
 
         try {
             const userP = await this.getPermissionsForUser(user);
-            return userP
-                .filter(
-                    (p) =>
-                        !p.project ||
-                        p.project === projectId ||
-                        p.project === ALL_PROJECTS,
-                )
-                .filter(
-                    (p) =>
-                        !p.environment ||
-                        p.environment === environment ||
-                        p.environment === ALL_ENVS,
-                )
-                .some(
-                    (p) =>
-                        permissionsArray.includes(p.permission) ||
-                        p.permission === ADMIN,
-                );
+            return this.meetsAllPermissions(
+                userP,
+                permissionsArray,
+                projectId,
+                environment,
+            );
         } catch (e) {
             this.logger.error(
                 `Error checking ${permissionLogInfo}, userId=${user.id} projectId=${projectId}`,
@@ -193,6 +215,48 @@ export class AccessService {
         }
     }
 
+    /**
+     * Check a user against all available permissions.
+     * Provided a project, project permissions will be checked against that project.
+     * Provided an environment, environment permissions will be checked against that environment (and project).
+     */
+    async permissionsMatrixForUser(
+        user: APIUser | NonAPIUser,
+        projectId?: string,
+        environment?: string,
+    ): Promise<PermissionMatrix> {
+        const permissions = await this.getPermissions();
+        const userP = await this.getPermissionsForUser(user);
+        const matrix: PermissionMatrix = {
+            root: permissions.root.map((p) => ({
+                ...p,
+                hasPermission: this.meetsAllPermissions(userP, [p.name]),
+            })),
+            project: permissions.project.map((p) => ({
+                ...p,
+                hasPermission: this.meetsAllPermissions(
+                    userP,
+                    [p.name],
+                    projectId,
+                ),
+            })),
+            environment:
+                permissions.environments
+                    .find((ep) => ep.name === environment)
+                    ?.permissions.map((p) => ({
+                        ...p,
+                        hasPermission: this.meetsAllPermissions(
+                            userP,
+                            [p.name],
+                            projectId,
+                            environment,
+                        ),
+                    })) ?? [],
+        };
+
+        return matrix;
+    }
+
     async getPermissionsForUser(
         user: APIUser | NonAPIUser,
     ): Promise<IUserPermission[]> {

src/lib/types/experimental.ts

@@ -49,6 +49,7 @@ export type IFlagKey =
     | 'inMemoryScheduledChangeRequests'
     | 'collectTrafficDataUsage'
     | 'useMemoizedActiveTokens'
+    | 'userAccessUIEnabled'
     | 'sdkReporting';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
@@ -242,6 +243,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_COLLECT_TRAFFIC_DATA_USAGE,
         false,
     ),
+    userAccessUIEnabled: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_USER_ACCESS_UI_ENABLED,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {

src/server-dev.ts

@@ -49,6 +49,7 @@ process.nextTick(async () => {
                         featureSearchFeedbackPosting: true,
                         extendedUsageMetricsUI: true,
                         executiveDashboard: true,
+                        userAccessUIEnabled: true,
                         sdkReporting: true,
                     },
                 },