ran-boilerplate
Version:
React . Apollo (GraphQL) . Next.js Toolkit
149 lines (148 loc) • 5.38 kB
JavaScript
"use strict";
// The MIT License (MIT)
//
// Copyright (c) 2017 Firebase
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
Object.defineProperty(exports, "__esModule", { value: true });
const _ = require("lodash");
const firebase = require("firebase-admin");
const index_1 = require("./index");
const sha1 = require("sha1");
/** @internal */
function apps() {
if (typeof apps.singleton === 'undefined') {
apps.init(index_1.config());
}
return apps.singleton;
}
exports.apps = apps;
/** @internal */
(function (apps) {
/** @internal */
apps.garbageCollectionInterval = 2 * 60 * 1000;
/** @internal */
function delay(delay) {
return new Promise(resolve => {
setTimeout(resolve, delay);
});
}
apps.delay = delay;
apps.init = (config) => apps.singleton = new Apps(config);
/** @internal */
class Apps {
constructor(config) {
this._config = config;
this._refCounter = {};
}
_appAlive(appName) {
try {
let app = firebase.app(appName);
return !_.get(app, 'isDeleted_');
}
catch (e) {
return false;
}
}
_appName(auth) {
if (!auth || typeof auth !== 'object') {
return '__noauth__';
}
else if (auth.admin) {
return '__admin__';
}
else if (!auth.variable) {
return '__noauth__';
}
else {
// Use hash of auth variable as name of user-authenticated app
return sha1(JSON.stringify(auth.variable));
}
}
_destroyApp(appName) {
if (!this._appAlive(appName)) {
return;
}
firebase.app(appName).delete().catch(_.noop);
}
retain(payload) {
let auth = _.get(payload, 'auth', null);
let increment = n => {
return (n || 0) + 1;
};
// Increment counter for admin because function might use event.data.adminRef
_.update(this._refCounter, '__admin__', increment);
// Increment counter according to auth type because function might use event.data.ref
_.update(this._refCounter, this._appName(auth), increment);
}
release(payload) {
let auth = _.get(payload, 'auth', null);
let decrement = n => {
return n - 1;
};
return delay(apps.garbageCollectionInterval).then(() => {
_.update(this._refCounter, '__admin__', decrement);
_.update(this._refCounter, this._appName(auth), decrement);
_.forEach(this._refCounter, (count, key) => {
if (count <= 0) {
this._destroyApp(key);
}
});
});
}
get admin() {
if (this._appAlive('__admin__')) {
return firebase.app('__admin__');
}
return firebase.initializeApp(this.firebaseArgs, '__admin__');
}
get noauth() {
if (this._appAlive('__noauth__')) {
return firebase.app('__noauth__');
}
const param = _.extend({}, this.firebaseArgs, {
databaseAuthVariableOverride: null,
});
return firebase.initializeApp(param, '__noauth__');
}
forMode(auth) {
if (typeof auth !== 'object') {
return this.noauth;
}
if (auth.admin) {
return this.admin;
}
if (!auth.variable) {
return this.noauth;
}
const appName = this._appName(auth);
if (this._appAlive(appName)) {
return firebase.app(appName);
}
const param = _.extend({}, this.firebaseArgs, {
databaseAuthVariableOverride: auth.variable,
});
return firebase.initializeApp(param, appName);
}
get firebaseArgs() {
return _.get(this._config, 'firebase', {});
}
}
apps.Apps = Apps;
})(apps = exports.apps || (exports.apps = {}));