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Filename : credential-factory.js
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/*! firebase-admin v13.2.0 */
"use strict";
/*!
 * @license
 * Copyright 2021 Google Inc.
 *
 * 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.applicationDefault = applicationDefault;
exports.cert = cert;
exports.refreshToken = refreshToken;
exports.clearGlobalAppDefaultCred = clearGlobalAppDefaultCred;
const credential_internal_1 = require("./credential-internal");
let globalAppDefaultCred;
const globalCertCreds = {};
const globalRefreshTokenCreds = {};
/**
 * Returns a credential created from the
 * {@link https://developers.google.com/identity/protocols/application-default-credentials |
 * Google Application Default Credentials}
 * that grants admin access to Firebase services. This credential can be used
 * in the call to {@link firebase-admin.app#initializeApp}.
 *
 * Google Application Default Credentials are available on any Google
 * infrastructure, such as Google App Engine and Google Compute Engine.
 *
 * See
 * {@link https://firebase.google.com/docs/admin/setup#initialize_the_sdk | Initialize the SDK}
 * for more details.
 *
 * @example
 * ```javascript
 * initializeApp({
 *   credential: applicationDefault(),
 *   databaseURL: "https://<DATABASE_NAME>.firebaseio.com"
 * });
 * ```
 *
 * @param httpAgent - Optional {@link https://nodejs.org/api/http.html#http_class_http_agent | HTTP Agent}
 *   to be used when retrieving access tokens from Google token servers.
 *
 * @returns A credential authenticated via Google
 *   Application Default Credentials that can be used to initialize an app.
 */
function applicationDefault(httpAgent) {
    if (typeof globalAppDefaultCred === 'undefined') {
        globalAppDefaultCred = (0, credential_internal_1.getApplicationDefault)(httpAgent);
    }
    return globalAppDefaultCred;
}
/**
 * Returns a credential created from the provided service account that grants
 * admin access to Firebase services. This credential can be used in the call
 * to {@link firebase-admin.app#initializeApp}.
 *
 * See
 * {@link https://firebase.google.com/docs/admin/setup#initialize_the_sdk | Initialize the SDK}
 * for more details.
 *
 * @example
 * ```javascript
 * // Providing a path to a service account key JSON file
 * const serviceAccount = require("path/to/serviceAccountKey.json");
 * initializeApp({
 *   credential: cert(serviceAccount),
 *   databaseURL: "https://<DATABASE_NAME>.firebaseio.com"
 * });
 * ```
 *
 * @example
 * ```javascript
 * // Providing a service account object inline
 * initializeApp({
 *   credential: cert({
 *     projectId: "<PROJECT_ID>",
 *     clientEmail: "foo@<PROJECT_ID>.iam.gserviceaccount.com",
 *     privateKey: "-----BEGIN PRIVATE KEY-----<KEY>-----END PRIVATE KEY-----\n"
 *   }),
 *   databaseURL: "https://<DATABASE_NAME>.firebaseio.com"
 * });
 * ```
 *
 * @param serviceAccountPathOrObject - The path to a service
 *   account key JSON file or an object representing a service account key.
 * @param httpAgent - Optional {@link https://nodejs.org/api/http.html#http_class_http_agent | HTTP Agent}
 *   to be used when retrieving access tokens from Google token servers.
 *
 * @returns A credential authenticated via the
 *   provided service account that can be used to initialize an app.
 */
function cert(serviceAccountPathOrObject, httpAgent) {
    const stringifiedServiceAccount = JSON.stringify(serviceAccountPathOrObject);
    if (!(stringifiedServiceAccount in globalCertCreds)) {
        globalCertCreds[stringifiedServiceAccount] = new credential_internal_1.ServiceAccountCredential(serviceAccountPathOrObject, httpAgent);
    }
    return globalCertCreds[stringifiedServiceAccount];
}
/**
 * Returns a credential created from the provided refresh token that grants
 * admin access to Firebase services. This credential can be used in the call
 * to {@link firebase-admin.app#initializeApp}.
 *
 * See
 * {@link https://firebase.google.com/docs/admin/setup#initialize_the_sdk | Initialize the SDK}
 * for more details.
 *
 * @example
 * ```javascript
 * // Providing a path to a refresh token JSON file
 * const refreshToken = require("path/to/refreshToken.json");
 * initializeApp({
 *   credential: refreshToken(refreshToken),
 *   databaseURL: "https://<DATABASE_NAME>.firebaseio.com"
 * });
 * ```
 *
 * @param refreshTokenPathOrObject - The path to a Google
 *   OAuth2 refresh token JSON file or an object representing a Google OAuth2
 *   refresh token.
 * @param httpAgent - Optional {@link https://nodejs.org/api/http.html#http_class_http_agent | HTTP Agent}
 *   to be used when retrieving access tokens from Google token servers.
 *
 * @returns A credential authenticated via the
 *   provided service account that can be used to initialize an app.
 */
function refreshToken(refreshTokenPathOrObject, httpAgent) {
    const stringifiedRefreshToken = JSON.stringify(refreshTokenPathOrObject);
    if (!(stringifiedRefreshToken in globalRefreshTokenCreds)) {
        globalRefreshTokenCreds[stringifiedRefreshToken] = new credential_internal_1.RefreshTokenCredential(refreshTokenPathOrObject, httpAgent);
    }
    return globalRefreshTokenCreds[stringifiedRefreshToken];
}
/**
 * Clears the global ADC cache. Exported for testing.
 */
function clearGlobalAppDefaultCred() {
    globalAppDefaultCred = undefined;
}