Method getAccessToken

src/controller/gmail.controller.js:184–195

* Get access token * @param {String} email * @param {Array} scopes * @param {Function} beforeAuth - called before new authorization request is started * @param {Function} afterAuth - called after successful authorization request * @return {String}

({email, legacyGsuite, scopes = [gmail.GMAIL_SCOPE_READONLY, gmail.GMAIL_SCOPE_SEND], beforeAuth, afterAuth} = {})

   * @return {String}
   */
  async getAccessToken({email, legacyGsuite, scopes = [gmail.GMAIL_SCOPE_READONLY, gmail.GMAIL_SCOPE_SEND], beforeAuth, afterAuth} = {}) {
    const accessToken = await this.checkAuthorization({email, scopes});
    if (accessToken) {
      await this.checkLicense({email, legacyGsuite});
      return accessToken;
    }
    if (beforeAuth) {
      beforeAuth();
    }
    this.openAuthorizeDialog({email, legacyGsuite, scopes});
    return new Promise((resolve, reject) => this.authorizationRequest = {resolve, reject, afterAuth});
  }

  async onAuthorize({email, legacyGsuite, scopes, forcePicker = false}) {
    try {