/opt/canhelp/node_modules/google-auth-library/build/src/auth
Edit: /opt/canhelp/node_modules/google-auth-library/build/src/auth/computeclient.js (4497B)
"use strict";
// Copyright 2013 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.Compute = void 0;
const gaxios_1 = require("gaxios");
const gcpMetadata = require("gcp-metadata");
const oauth2client_1 = require("./oauth2client");
class Compute extends oauth2client_1.OAuth2Client {
serviceAccountEmail;
scopes;
/**
* Google Compute Engine service account credentials.
*
* Retrieve access token from the metadata server.
* See: https://cloud.google.com/compute/docs/access/authenticate-workloads#applications
*/
constructor(options = {}) {
super(options);
// Start with an expired refresh token, which will automatically be
// refreshed before the first API call is made.
this.credentials = { expiry_date: 1, refresh_token: 'compute-placeholder' };
this.serviceAccountEmail = options.serviceAccountEmail || 'default';
this.scopes = Array.isArray(options.scopes)
? options.scopes
: options.scopes
? [options.scopes]
: [];
}
/**
* Refreshes the access token.
* @param refreshToken Unused parameter
*/
async refreshTokenNoCache() {
const tokenPath = `service-accounts/${this.serviceAccountEmail}/token`;
let data;
try {
const instanceOptions = {
property: tokenPath,
};
if (this.scopes.length > 0) {
instanceOptions.params = {
scopes: this.scopes.join(','),
};
}
data = await gcpMetadata.instance(instanceOptions);
}
catch (e) {
if (e instanceof gaxios_1.GaxiosError) {
e.message = `Could not refresh access token: ${e.message}`;
this.wrapError(e);
}
throw e;
}
const tokens = data;
if (data && data.expires_in) {
tokens.expiry_date = new Date().getTime() + data.expires_in * 1000;
delete tokens.expires_in;
}
this.emit('tokens', tokens);
return { tokens, res: null };
}
/**
* Fetches an ID token.
* @param targetAudience the audience for the fetched ID token.
*/
async fetchIdToken(targetAudience) {
const idTokenPath = `service-accounts/${this.serviceAccountEmail}/identity` +
`?format=full&audience=${targetAudience}`;
let idToken;
try {
const instanceOptions = {
property: idTokenPath,
};
idToken = await gcpMetadata.instance(instanceOptions);
}
catch (e) {
if (e instanceof Error) {
e.message = `Could not fetch ID token: ${e.message}`;
}
throw e;
}
return idToken;
}
wrapError(e) {
const res = e.response;
if (res && res.status) {
e.status = res.status;
if (res.status === 403) {
e.message =
'A Forbidden error was returned while attempting to retrieve an access ' +
'token for the Compute Engine built-in service account. This may be because the Compute ' +
'Engine instance does not have the correct permission scopes specified: ' +
e.message;
}
else if (res.status === 404) {
e.message =
'A Not Found error was returned while attempting to retrieve an access' +
'token for the Compute Engine built-in service account. This may be because the Compute ' +
'Engine instance does not have any permission scopes specified: ' +
e.message;
}
}
}
}
exports.Compute = Compute;
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