@microsoft/mgt/src/providers/ProxyProvider.ts

The Microsoft Graph Toolkit

/**
 * -------------------------------------------------------------------------------------------
 * Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.
 * See License in the project root for license information.
 * -------------------------------------------------------------------------------------------
 */

import { Graph } from '../Graph';
import { IProvider, ProviderState } from '../providers/IProvider';
import { ProxyGraph } from '../utils/ProxyGraph';

/**
 * Proxy Provider access token for Microsoft Graph APIs
 *
 * @export
 * @class ProxyProvider
 * @extends {IProvider}
 */
export class ProxyProvider extends IProvider {
  /**
   * new instance of proxy graph provider
   *
   * @memberof ProxyProvider
   */
  public graph: Graph;
  constructor(graphProxyUrl: string, getCustomHeaders: () => Promise<object> = null) {
    super();
    this.graph = new ProxyGraph(graphProxyUrl, getCustomHeaders);
    this.graph.getMe().then(
      user => {
        if (user != null) {
          this.setState(ProviderState.SignedIn);
        } else {
          this.setState(ProviderState.SignedOut);
        }
      },
      err => {
        this.setState(ProviderState.SignedOut);
      }
    );
  }

  /**
   * Promise returning token
   *
   * @returns {Promise<string>}
   * @memberof ProxyProvider
   */
  public getAccessToken(): Promise<string> {
    return null;
  }
}