ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/auth-storage.directive.ts

   1 import { Directive, Input, TemplateRef, ViewContainerRef } from '@angular/core';
   2
   3 import _ from 'lodash';
   4
   5 import { Permission, Permissions } from '~/app/shared/models/permissions';
   6 import { AuthStorageService } from '~/app/shared/services/auth-storage.service';
   7
   8 type Condition = string | string[] | Partial<{ [Property in keyof Permissions]: keyof Permission }>;
   9
  10 @Directive({
  11   selector: '[cdScope]'
  12 })
  13 export class AuthStorageDirective {
  14   permissions: Permissions;
  15
  16   constructor(
  17     private templateRef: TemplateRef<any>,
  18     private viewContainer: ViewContainerRef,
  19     private authStorageService: AuthStorageService
  20   ) {}
  21
  22   @Input('cdScope') set cdScope(condition: Condition) {
  23     this.permissions = this.authStorageService.getPermissions();
  24     if (this.isAuthorized(condition)) {
  25       this.viewContainer.createEmbeddedView(this.templateRef);
  26     } else {
  27       this.viewContainer.clear();
  28     }
  29   }
  30
  31   @Input() cdScopeMatchAll = true;
  32
  33   private isAuthorized(condition: Condition): boolean {
  34     const everyOrSome = this.cdScopeMatchAll ? _.every : _.some;
  35
  36     if (_.isString(condition)) {
  37       return _.get(this.permissions, [condition, 'read'], false);
  38     } else if (_.isArray(condition)) {
  39       return everyOrSome(condition, (permission) => this.permissions[permission]['read']);
  40     } else if (_.isObject(condition)) {
  41       return everyOrSome(condition, (value, key) => {
  42         return everyOrSome(value, (val) => this.permissions[key][val]);
  43       });
  44     }
  45
  46     return false;
  47   }
  48 }