120 lines
5.0 KiB
JavaScript
120 lines
5.0 KiB
JavaScript
/**
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* Copyright 2013 Google Inc. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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var oauth2client_1 = require("./oauth2client");
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var Compute = (function (_super) {
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__extends(Compute, _super);
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/**
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* Google Compute Engine service account credentials.
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*
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* Retrieve access token from the metadata server.
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* See: https://developers.google.com/compute/docs/authentication
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*/
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function Compute() {
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var _this = _super.call(this) || this;
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// Start with an expired refresh token, which will automatically be
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// refreshed before the first API call is made.
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_this.credentials = { expiry_date: 1, refresh_token: 'compute-placeholder' };
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return _this;
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}
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/**
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* Indicates whether the credential requires scopes to be created by calling
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* createdScoped before use.
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* @return {object} The cloned instance.
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*/
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Compute.prototype.createScopedRequired = function () {
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// On compute engine, scopes are specified at the compute instance's
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// creation time, and cannot be changed. For this reason, always return
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// false.
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return false;
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};
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/**
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* Refreshes the access token.
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* @param {object=} ignored_
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* @param {function=} callback Optional callback.
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*/
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Compute.prototype.refreshToken = function (ignored, callback) {
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var uri = this._opts.tokenUrl || Compute._GOOGLE_OAUTH2_TOKEN_URL;
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// request for new token
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return this.transporter.request({ method: 'GET', uri: uri, json: true }, function (err, body, response) {
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var token = body;
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if (!err && token && token.expires_in) {
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token.expiry_date =
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((new Date()).getTime() + (token.expires_in * 1000));
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delete token.expires_in;
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}
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if (callback) {
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callback(err, token, response);
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}
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});
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};
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/**
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* Inserts a helpful error message guiding the user toward fixing common auth
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* issues.
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* @param {object} err Error result.
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* @param {object} result The result.
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* @param {object} response The HTTP response.
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* @param {Function} callback The callback.
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*/
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Compute.prototype.postRequest = function (err, result, response, callback) {
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if (response && response.statusCode) {
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var helpfulMessage = null;
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if (response.statusCode === 403) {
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helpfulMessage =
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'A Forbidden error was returned while attempting to retrieve an access ' +
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'token for the Compute Engine built-in service account. This may be because the Compute ' +
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'Engine instance does not have the correct permission scopes specified.';
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}
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else if (response.statusCode === 404) {
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helpfulMessage =
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'A Not Found error was returned while attempting to retrieve an access' +
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'token for the Compute Engine built-in service account. This may be because the Compute ' +
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'Engine instance does not have any permission scopes specified.';
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}
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if (helpfulMessage) {
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if (err && err.message) {
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helpfulMessage += ' ' + err.message;
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}
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if (err) {
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err.message = helpfulMessage;
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}
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else {
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err = new Error(helpfulMessage);
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err.code = response.statusCode;
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}
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}
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}
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callback(err, result, response);
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};
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return Compute;
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}(oauth2client_1.OAuth2Client));
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/**
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* Google Compute Engine metadata server token endpoint.
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*/
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Compute._GOOGLE_OAUTH2_TOKEN_URL = 'http://metadata.google.internal/computeMetadata/v1beta1/instance/service-accounts/default/token';
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exports.Compute = Compute;
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//# sourceMappingURL=computeclient.js.map
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