/var/www/verywell.gr/server/delivery/node_modules/google-auth-library/build/src/auth
Edit: /var/www/verywell.gr/server/delivery/node_modules/google-auth-library/build/src/auth/googleauth.js (28640B)
"use strict";
// Copyright 2019 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.GoogleAuth = exports.CLOUD_SDK_CLIENT_ID = void 0;
const child_process_1 = require("child_process");
const fs = require("fs");
const gcpMetadata = require("gcp-metadata");
const os = require("os");
const path = require("path");
const crypto_1 = require("../crypto/crypto");
const transporters_1 = require("../transporters");
const computeclient_1 = require("./computeclient");
const idtokenclient_1 = require("./idtokenclient");
const envDetect_1 = require("./envDetect");
const jwtclient_1 = require("./jwtclient");
const refreshclient_1 = require("./refreshclient");
const impersonated_1 = require("./impersonated");
const externalclient_1 = require("./externalclient");
const baseexternalclient_1 = require("./baseexternalclient");
exports.CLOUD_SDK_CLIENT_ID = '764086051850-6qr4p6gpi6hn506pt8ejuq83di341hur.apps.googleusercontent.com';
class GoogleAuth {
constructor(opts) {
/**
* Caches a value indicating whether the auth layer is running on Google
* Compute Engine.
* @private
*/
this.checkIsGCE = undefined;
// To save the contents of the JSON credential file
this.jsonContent = null;
this.cachedCredential = null;
opts = opts || {};
this._cachedProjectId = opts.projectId || null;
this.cachedCredential = opts.authClient || null;
this.keyFilename = opts.keyFilename || opts.keyFile;
this.scopes = opts.scopes;
this.jsonContent = opts.credentials || null;
this.clientOptions = opts.clientOptions;
}
// Note: this properly is only public to satisify unit tests.
// https://github.com/Microsoft/TypeScript/issues/5228
get isGCE() {
return this.checkIsGCE;
}
// GAPIC client libraries should always use self-signed JWTs. The following
// variables are set on the JWT client in order to indicate the type of library,
// and sign the JWT with the correct audience and scopes (if not supplied).
setGapicJWTValues(client) {
client.defaultServicePath = this.defaultServicePath;
client.useJWTAccessWithScope = this.useJWTAccessWithScope;
client.defaultScopes = this.defaultScopes;
}
getProjectId(callback) {
if (callback) {
this.getProjectIdAsync().then(r => callback(null, r), callback);
}
else {
return this.getProjectIdAsync();
}
}
getProjectIdAsync() {
if (this._cachedProjectId) {
return Promise.resolve(this._cachedProjectId);
}
// In implicit case, supports three environments. In order of precedence,
// the implicit environments are:
// - GCLOUD_PROJECT or GOOGLE_CLOUD_PROJECT environment variable
// - GOOGLE_APPLICATION_CREDENTIALS JSON file
// - Cloud SDK: `gcloud config config-helper --format json`
// - GCE project ID from metadata server)
if (!this._getDefaultProjectIdPromise) {
// TODO: refactor the below code so that it doesn't mix and match
// promises and async/await.
this._getDefaultProjectIdPromise = new Promise(
// eslint-disable-next-line no-async-promise-executor
async (resolve, reject) => {
try {
const projectId = this.getProductionProjectId() ||
(await this.getFileProjectId()) ||
(await this.getDefaultServiceProjectId()) ||
(await this.getGCEProjectId()) ||
(await this.getExternalAccountClientProjectId());
this._cachedProjectId = projectId;
if (!projectId) {
throw new Error('Unable to detect a Project Id in the current environment. \n' +
'To learn more about authentication and Google APIs, visit: \n' +
'https://cloud.google.com/docs/authentication/getting-started');
}
resolve(projectId);
}
catch (e) {
reject(e);
}
});
}
return this._getDefaultProjectIdPromise;
}
/**
* @returns Any scopes (user-specified or default scopes specified by the
* client library) that need to be set on the current Auth client.
*/
getAnyScopes() {
return this.scopes || this.defaultScopes;
}
getApplicationDefault(optionsOrCallback = {}, callback) {
let options;
if (typeof optionsOrCallback === 'function') {
callback = optionsOrCallback;
}
else {
options = optionsOrCallback;
}
if (callback) {
this.getApplicationDefaultAsync(options).then(r => callback(null, r.credential, r.projectId), callback);
}
else {
return this.getApplicationDefaultAsync(options);
}
}
async getApplicationDefaultAsync(options = {}) {
// If we've already got a cached credential, just return it.
if (this.cachedCredential) {
return {
credential: this.cachedCredential,
projectId: await this.getProjectIdAsync(),
};
}
let credential;
let projectId;
// Check for the existence of a local environment variable pointing to the
// location of the credential file. This is typically used in local
// developer scenarios.
credential =
await this._tryGetApplicationCredentialsFromEnvironmentVariable(options);
if (credential) {
if (credential instanceof jwtclient_1.JWT) {
credential.scopes = this.scopes;
}
else if (credential instanceof baseexternalclient_1.BaseExternalAccountClient) {
credential.scopes = this.getAnyScopes();
}
this.cachedCredential = credential;
projectId = await this.getProjectId();
return { credential, projectId };
}
// Look in the well-known credential file location.
credential = await this._tryGetApplicationCredentialsFromWellKnownFile(options);
if (credential) {
if (credential instanceof jwtclient_1.JWT) {
credential.scopes = this.scopes;
}
else if (credential instanceof baseexternalclient_1.BaseExternalAccountClient) {
credential.scopes = this.getAnyScopes();
}
this.cachedCredential = credential;
projectId = await this.getProjectId();
return { credential, projectId };
}
// Determine if we're running on GCE.
let isGCE;
try {
isGCE = await this._checkIsGCE();
}
catch (e) {
if (e instanceof Error) {
e.message = `Unexpected error determining execution environment: ${e.message}`;
}
throw e;
}
if (!isGCE) {
// We failed to find the default credentials. Bail out with an error.
throw new Error('Could not load the default credentials. Browse to https://cloud.google.com/docs/authentication/getting-started for more information.');
}
// For GCE, just return a default ComputeClient. It will take care of
// the rest.
options.scopes = this.getAnyScopes();
this.cachedCredential = new computeclient_1.Compute(options);
projectId = await this.getProjectId();
return { projectId, credential: this.cachedCredential };
}
/**
* Determines whether the auth layer is running on Google Compute Engine.
* @returns A promise that resolves with the boolean.
* @api private
*/
async _checkIsGCE() {
if (this.checkIsGCE === undefined) {
this.checkIsGCE = await gcpMetadata.isAvailable();
}
return this.checkIsGCE;
}
/**
* Attempts to load default credentials from the environment variable path..
* @returns Promise that resolves with the OAuth2Client or null.
* @api private
*/
async _tryGetApplicationCredentialsFromEnvironmentVariable(options) {
const credentialsPath = process.env['GOOGLE_APPLICATION_CREDENTIALS'] ||
process.env['google_application_credentials'];
if (!credentialsPath || credentialsPath.length === 0) {
return null;
}
try {
return this._getApplicationCredentialsFromFilePath(credentialsPath, options);
}
catch (e) {
if (e instanceof Error) {
e.message = `Unable to read the credential file specified by the GOOGLE_APPLICATION_CREDENTIALS environment variable: ${e.message}`;
}
throw e;
}
}
/**
* Attempts to load default credentials from a well-known file location
* @return Promise that resolves with the OAuth2Client or null.
* @api private
*/
async _tryGetApplicationCredentialsFromWellKnownFile(options) {
// First, figure out the location of the file, depending upon the OS type.
let location = null;
if (this._isWindows()) {
// Windows
location = process.env['APPDATA'];
}
else {
// Linux or Mac
const home = process.env['HOME'];
if (home) {
location = path.join(home, '.config');
}
}
// If we found the root path, expand it.
if (location) {
location = path.join(location, 'gcloud', 'application_default_credentials.json');
if (!fs.existsSync(location)) {
location = null;
}
}
// The file does not exist.
if (!location) {
return null;
}
// The file seems to exist. Try to use it.
const client = await this._getApplicationCredentialsFromFilePath(location, options);
return client;
}
/**
* Attempts to load default credentials from a file at the given path..
* @param filePath The path to the file to read.
* @returns Promise that resolves with the OAuth2Client
* @api private
*/
async _getApplicationCredentialsFromFilePath(filePath, options = {}) {
// Make sure the path looks like a string.
if (!filePath || filePath.length === 0) {
throw new Error('The file path is invalid.');
}
// Make sure there is a file at the path. lstatSync will throw if there is
// nothing there.
try {
// Resolve path to actual file in case of symlink. Expect a thrown error
// if not resolvable.
filePath = fs.realpathSync(filePath);
if (!fs.lstatSync(filePath).isFile()) {
throw new Error();
}
}
catch (err) {
if (err instanceof Error) {
err.message = `The file at ${filePath} does not exist, or it is not a file. ${err.message}`;
}
throw err;
}
// Now open a read stream on the file, and parse it.
const readStream = fs.createReadStream(filePath);
return this.fromStream(readStream, options);
}
/**
* Create a credentials instance using a given impersonated input options.
* @param json The impersonated input object.
* @returns JWT or UserRefresh Client with data
*/
fromImpersonatedJSON(json) {
var _a, _b, _c, _d;
if (!json) {
throw new Error('Must pass in a JSON object containing an impersonated refresh token');
}
if (json.type !== impersonated_1.IMPERSONATED_ACCOUNT_TYPE) {
throw new Error(`The incoming JSON object does not have the "${impersonated_1.IMPERSONATED_ACCOUNT_TYPE}" type`);
}
if (!json.source_credentials) {
throw new Error('The incoming JSON object does not contain a source_credentials field');
}
if (!json.service_account_impersonation_url) {
throw new Error('The incoming JSON object does not contain a service_account_impersonation_url field');
}
// Create source client for impersonation
const sourceClient = new refreshclient_1.UserRefreshClient(json.source_credentials.client_id, json.source_credentials.client_secret, json.source_credentials.refresh_token);
// Extreact service account from service_account_impersonation_url
const targetPrincipal = (_b = (_a = /(?
[^/]+):generateAccessToken$/.exec(json.service_account_impersonation_url)) === null || _a === void 0 ? void 0 : _a.groups) === null || _b === void 0 ? void 0 : _b.target;
if (!targetPrincipal) {
throw new RangeError(`Cannot extract target principal from ${json.service_account_impersonation_url}`);
}
const targetScopes = (_c = this.getAnyScopes()) !== null && _c !== void 0 ? _c : [];
const client = new impersonated_1.Impersonated({
delegates: (_d = json.delegates) !== null && _d !== void 0 ? _d : [],
sourceClient: sourceClient,
targetPrincipal: targetPrincipal,
targetScopes: Array.isArray(targetScopes) ? targetScopes : [targetScopes],
});
return client;
}
/**
* Create a credentials instance using the given input options.
* @param json The input object.
* @param options The JWT or UserRefresh options for the client
* @returns JWT or UserRefresh Client with data
*/
fromJSON(json, options) {
let client;
if (!json) {
throw new Error('Must pass in a JSON object containing the Google auth settings.');
}
options = options || {};
if (json.type === 'authorized_user') {
client = new refreshclient_1.UserRefreshClient(options);
client.fromJSON(json);
}
else if (json.type === impersonated_1.IMPERSONATED_ACCOUNT_TYPE) {
client = this.fromImpersonatedJSON(json);
}
else if (json.type === baseexternalclient_1.EXTERNAL_ACCOUNT_TYPE) {
client = externalclient_1.ExternalAccountClient.fromJSON(json, options);
client.scopes = this.getAnyScopes();
}
else {
options.scopes = this.scopes;
client = new jwtclient_1.JWT(options);
this.setGapicJWTValues(client);
client.fromJSON(json);
}
return client;
}
/**
* Return a JWT or UserRefreshClient from JavaScript object, caching both the
* object used to instantiate and the client.
* @param json The input object.
* @param options The JWT or UserRefresh options for the client
* @returns JWT or UserRefresh Client with data
*/
_cacheClientFromJSON(json, options) {
let client;
// create either a UserRefreshClient or JWT client.
options = options || {};
if (json.type === 'authorized_user') {
client = new refreshclient_1.UserRefreshClient(options);
client.fromJSON(json);
}
else if (json.type === impersonated_1.IMPERSONATED_ACCOUNT_TYPE) {
client = this.fromImpersonatedJSON(json);
}
else if (json.type === baseexternalclient_1.EXTERNAL_ACCOUNT_TYPE) {
client = externalclient_1.ExternalAccountClient.fromJSON(json, options);
client.scopes = this.getAnyScopes();
}
else {
options.scopes = this.scopes;
client = new jwtclient_1.JWT(options);
this.setGapicJWTValues(client);
client.fromJSON(json);
}
// cache both raw data used to instantiate client and client itself.
this.jsonContent = json;
this.cachedCredential = client;
return client;
}
fromStream(inputStream, optionsOrCallback = {}, callback) {
let options = {};
if (typeof optionsOrCallback === 'function') {
callback = optionsOrCallback;
}
else {
options = optionsOrCallback;
}
if (callback) {
this.fromStreamAsync(inputStream, options).then(r => callback(null, r), callback);
}
else {
return this.fromStreamAsync(inputStream, options);
}
}
fromStreamAsync(inputStream, options) {
return new Promise((resolve, reject) => {
if (!inputStream) {
throw new Error('Must pass in a stream containing the Google auth settings.');
}
let s = '';
inputStream
.setEncoding('utf8')
.on('error', reject)
.on('data', chunk => (s += chunk))
.on('end', () => {
try {
try {
const data = JSON.parse(s);
const r = this._cacheClientFromJSON(data, options);
return resolve(r);
}
catch (err) {
// If we failed parsing this.keyFileName, assume that it
// is a PEM or p12 certificate:
if (!this.keyFilename)
throw err;
const client = new jwtclient_1.JWT({
...this.clientOptions,
keyFile: this.keyFilename,
});
this.cachedCredential = client;
this.setGapicJWTValues(client);
return resolve(client);
}
}
catch (err) {
return reject(err);
}
});
});
}
/**
* Create a credentials instance using the given API key string.
* @param apiKey The API key string
* @param options An optional options object.
* @returns A JWT loaded from the key
*/
fromAPIKey(apiKey, options) {
options = options || {};
const client = new jwtclient_1.JWT(options);
client.fromAPIKey(apiKey);
return client;
}
/**
* Determines whether the current operating system is Windows.
* @api private
*/
_isWindows() {
const sys = os.platform();
if (sys && sys.length >= 3) {
if (sys.substring(0, 3).toLowerCase() === 'win') {
return true;
}
}
return false;
}
/**
* Run the Google Cloud SDK command that prints the default project ID
*/
async getDefaultServiceProjectId() {
return new Promise(resolve => {
(0, child_process_1.exec)('gcloud config config-helper --format json', (err, stdout) => {
if (!err && stdout) {
try {
const projectId = JSON.parse(stdout).configuration.properties.core.project;
resolve(projectId);
return;
}
catch (e) {
// ignore errors
}
}
resolve(null);
});
});
}
/**
* Loads the project id from environment variables.
* @api private
*/
getProductionProjectId() {
return (process.env['GCLOUD_PROJECT'] ||
process.env['GOOGLE_CLOUD_PROJECT'] ||
process.env['gcloud_project'] ||
process.env['google_cloud_project']);
}
/**
* Loads the project id from the GOOGLE_APPLICATION_CREDENTIALS json file.
* @api private
*/
async getFileProjectId() {
if (this.cachedCredential) {
// Try to read the project ID from the cached credentials file
return this.cachedCredential.projectId;
}
// Ensure the projectId is loaded from the keyFile if available.
if (this.keyFilename) {
const creds = await this.getClient();
if (creds && creds.projectId) {
return creds.projectId;
}
}
// Try to load a credentials file and read its project ID
const r = await this._tryGetApplicationCredentialsFromEnvironmentVariable();
if (r) {
return r.projectId;
}
else {
return null;
}
}
/**
* Gets the project ID from external account client if available.
*/
async getExternalAccountClientProjectId() {
if (!this.jsonContent || this.jsonContent.type !== baseexternalclient_1.EXTERNAL_ACCOUNT_TYPE) {
return null;
}
const creds = await this.getClient();
// Do not suppress the underlying error, as the error could contain helpful
// information for debugging and fixing. This is especially true for
// external account creds as in order to get the project ID, the following
// operations have to succeed:
// 1. Valid credentials file should be supplied.
// 2. Ability to retrieve access tokens from STS token exchange API.
// 3. Ability to exchange for service account impersonated credentials (if
// enabled).
// 4. Ability to get project info using the access token from step 2 or 3.
// Without surfacing the error, it is harder for developers to determine
// which step went wrong.
return await creds.getProjectId();
}
/**
* Gets the Compute Engine project ID if it can be inferred.
*/
async getGCEProjectId() {
try {
const r = await gcpMetadata.project('project-id');
return r;
}
catch (e) {
// Ignore any errors
return null;
}
}
getCredentials(callback) {
if (callback) {
this.getCredentialsAsync().then(r => callback(null, r), callback);
}
else {
return this.getCredentialsAsync();
}
}
async getCredentialsAsync() {
const client = await this.getClient();
if (client instanceof baseexternalclient_1.BaseExternalAccountClient) {
const serviceAccountEmail = client.getServiceAccountEmail();
if (serviceAccountEmail) {
return { client_email: serviceAccountEmail };
}
}
if (this.jsonContent) {
const credential = {
client_email: this.jsonContent.client_email,
private_key: this.jsonContent.private_key,
};
return credential;
}
const isGCE = await this._checkIsGCE();
if (!isGCE) {
throw new Error('Unknown error.');
}
// For GCE, return the service account details from the metadata server
// NOTE: The trailing '/' at the end of service-accounts/ is very important!
// The GCF metadata server doesn't respect querystring params if this / is
// not included.
const data = await gcpMetadata.instance({
property: 'service-accounts/',
params: { recursive: 'true' },
});
if (!data || !data.default || !data.default.email) {
throw new Error('Failure from metadata server.');
}
return { client_email: data.default.email };
}
/**
* Automatically obtain a client based on the provided configuration. If no
* options were passed, use Application Default Credentials.
*/
async getClient() {
if (!this.cachedCredential) {
if (this.jsonContent) {
this._cacheClientFromJSON(this.jsonContent, this.clientOptions);
}
else if (this.keyFilename) {
const filePath = path.resolve(this.keyFilename);
const stream = fs.createReadStream(filePath);
await this.fromStreamAsync(stream, this.clientOptions);
}
else {
await this.getApplicationDefaultAsync(this.clientOptions);
}
}
return this.cachedCredential;
}
/**
* Creates a client which will fetch an ID token for authorization.
* @param targetAudience the audience for the fetched ID token.
* @returns IdTokenClient for making HTTP calls authenticated with ID tokens.
*/
async getIdTokenClient(targetAudience) {
const client = await this.getClient();
if (!('fetchIdToken' in client)) {
throw new Error('Cannot fetch ID token in this environment, use GCE or set the GOOGLE_APPLICATION_CREDENTIALS environment variable to a service account credentials JSON file.');
}
return new idtokenclient_1.IdTokenClient({ targetAudience, idTokenProvider: client });
}
/**
* Automatically obtain application default credentials, and return
* an access token for making requests.
*/
async getAccessToken() {
const client = await this.getClient();
return (await client.getAccessToken()).token;
}
/**
* Obtain the HTTP headers that will provide authorization for a given
* request.
*/
async getRequestHeaders(url) {
const client = await this.getClient();
return client.getRequestHeaders(url);
}
/**
* Obtain credentials for a request, then attach the appropriate headers to
* the request options.
* @param opts Axios or Request options on which to attach the headers
*/
async authorizeRequest(opts) {
opts = opts || {};
const url = opts.url || opts.uri;
const client = await this.getClient();
const headers = await client.getRequestHeaders(url);
opts.headers = Object.assign(opts.headers || {}, headers);
return opts;
}
/**
* Automatically obtain application default credentials, and make an
* HTTP request using the given options.
* @param opts Axios request options for the HTTP request.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
async request(opts) {
const client = await this.getClient();
return client.request(opts);
}
/**
* Determine the compute environment in which the code is running.
*/
getEnv() {
return (0, envDetect_1.getEnv)();
}
/**
* Sign the given data with the current private key, or go out
* to the IAM API to sign it.
* @param data The data to be signed.
*/
async sign(data) {
const client = await this.getClient();
const crypto = (0, crypto_1.createCrypto)();
if (client instanceof jwtclient_1.JWT && client.key) {
const sign = await crypto.sign(client.key, data);
return sign;
}
const projectId = await this.getProjectId();
if (!projectId) {
throw new Error('Cannot sign data without a project ID.');
}
const creds = await this.getCredentials();
if (!creds.client_email) {
throw new Error('Cannot sign data without `client_email`.');
}
return this.signBlob(crypto, creds.client_email, data);
}
async signBlob(crypto, emailOrUniqueId, data) {
const url = 'https://iamcredentials.googleapis.com/v1/projects/-/serviceAccounts/' +
`${emailOrUniqueId}:signBlob`;
const res = await this.request({
method: 'POST',
url,
data: {
payload: crypto.encodeBase64StringUtf8(data),
},
});
return res.data.signedBlob;
}
}
exports.GoogleAuth = GoogleAuth;
/**
* Export DefaultTransporter as a static property of the class.
*/
GoogleAuth.DefaultTransporter = transporters_1.DefaultTransporter;
//# sourceMappingURL=googleauth.js.map