botserver/deploy/admin.gbapp/services/GBAdminService.ts

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"use strict";

import { GuaribasAdmin } from "../models/AdminModel";
import { IGBCoreService } from "botlib";
import { AuthenticationContext, TokenResponse } from "adal-node";
const UrlJoin = require("url-join");

export class GBAdminService {
  public static StrongRegex = new RegExp(
    "^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})"
  );

  core: IGBCoreService;

  constructor(core: IGBCoreService) {
    this.core = core;
  }

  public async setValue(
    instanceId: number,
    key: string,
    value: string
  ): Promise<GuaribasAdmin> {
    let options = { where: {} };
    options.where = { key: key };
    let admin = await GuaribasAdmin.findOne(options);
    if (admin == null) {
      admin = new GuaribasAdmin();
      admin.key = key;
    }
    admin.value = value;
    admin.instanceId = instanceId;
    return admin.save();
  }

  public async getValue(instanceId: number, key: string) {
    let options = { where: {} };
    options.where = { key: key, instanceId: instanceId };
    let obj = await GuaribasAdmin.findOne(options);
    return Promise.resolve(obj.value);
  }

  public async acquireElevatedToken(instanceId): Promise<string> {
    return new Promise<string>(async (resolve, reject) => {
      let instance = await this.core.loadInstanceById(instanceId);

      let expiresOn = new Date(await this.getValue(instanceId, "expiresOn"));
      if (expiresOn.getTime() > new Date().getTime()) {
        let accessToken = await this.getValue(instanceId, "accessToken");
        resolve(accessToken);
      } else {
        let authorizationUrl = UrlJoin(
          instance.authenticatorAuthorityHostUrl,
          instance.authenticatorTenant,
          "/oauth2/authorize"
        );

        var authenticationContext = new AuthenticationContext(authorizationUrl);
        let refreshToken = await this.getValue(instanceId, "refreshToken");
        let resource = "https://graph.microsoft.com";

        authenticationContext.acquireTokenWithRefreshToken(
          refreshToken,
          instance.authenticatorClientId,
          instance.authenticatorClientSecret,
          resource,
          async (err, res) => {
            if (err) {
              reject(err);
            } else {
              let tokens = res as TokenResponse;
              await this.setValue(
                instanceId,
                "accessToken",
                tokens.accessToken
              );
              await this.setValue(
                instanceId,
                "refreshToken",
                tokens.refreshToken
              );
              await this.setValue(
                instanceId,
                "expiresOn",
                tokens.expiresOn.toString()
              );
              resolve(tokens.accessToken);
            }
          }
        );
      }
    });
  }
}