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https://github.com/penpot/penpot.git
synced 2025-03-16 01:31:22 -05:00
♻️ Refactor uuid impl module.
Make it crossplatform (browser, nodejs, jvm).
This commit is contained in:
Andrey Antukh
parent
bcb2609b18
commit
b8526c6e3b
2 changed files with 174 additions and 159 deletions
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@ -14,7 +14,7 @@
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(:require [clj-uuid :as impl]
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[clojure.core :as c])
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:cljs
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(:require ["./uuid_impl.js" :as impl]
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(:require [uxbox.common.uuid-impl :as impl]
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[cljs.core :as c])))
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(def zero #uuid "00000000-0000-0000-0000-000000000000")
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@ -1,4 +1,4 @@
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/*
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/**
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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@ -10,174 +10,189 @@
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*/
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"use strict";
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import cljs from "goog:cljs.core";
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goog.require("cljs.core");
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goog.provide("uxbox.common.uuid_impl");
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const global = goog.global;
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const crypto = global.crypto;
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goog.scope(function() {
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const core = cljs.core;
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const self = uxbox.common.uuid_impl;
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function fill(buf) {
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crypto.getRandomValues(buf);
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return buf;
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};
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const fill = (() => {
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if (typeof window === "object") {
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return (buf) => {
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window.crypto.getRandomValues(buf);
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return buf;
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};
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} else if (typeof self === "object") {
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return (buf) => {
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self.crypto.getRandomValues(buf);
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return buf;
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};
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} else if (typeof require === "function") {
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const crypto = require("crypto");
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return (buf) => {
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crypto.getRandomValues(buf);
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return buf;
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};
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} else {
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// FALLBACK
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console.warn("No high quality RNG available, switching back to Math.random.");
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// NOTE: NodeJS compatibility
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if (typeof require === "function") {
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global.crypto = require("crypto");
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}
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if (global.crypto === undefined) {
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console.warn("No high quality RNG available, switching back to Math.random.");
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fill = function(buf) {
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for (let i = 0, r; i < buf.length; i++) {
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if ((i & 0x03) === 0) { r = Math.random() * 0x100000000; }
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buf[i] = r >>> ((i & 0x03) << 3) & 0xff;
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return (buf) => {
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for (let i = 0, r; i < buf.length; i++) {
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if ((i & 0x03) === 0) { r = Math.random() * 0x100000000; }
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buf[i] = r >>> ((i & 0x03) << 3) & 0xff;
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}
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return buf;
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};
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}
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return buf;
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}
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}
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})();
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2010-2016 Robert Kieffer and other contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2010-2016 Robert Kieffer and other contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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const hexMap = [];
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for (let i = 0; i < 256; i++) {
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hexMap[i] = (i + 0x100).toString(16).substr(1);
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}
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function toHexString(buf) {
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let i = 0;
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return (hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]]);
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}
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const buff = new Uint8Array(16);
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export function v4() {
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fill(buff);
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buff[6] = (buff[6] & 0x0f) | 0x40;
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buff[8] = (buff[8] & 0x3f) | 0x80;
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return cljs.uuid(toHexString(buff));
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}
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let initialized = false;
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let node;
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let clockseq;
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let lastms = 0;
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let lastns = 0;
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export function v1() {
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let cs = clockseq;
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if (!initialized) {
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const seed = new Uint8Array(8)
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fill(seed);
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// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
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node = [
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seed[0] | 0x01,
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seed[1],
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seed[2],
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seed[3],
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seed[4],
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seed[5]
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];
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// Per 4.2.2, randomize (14 bit) clockseq
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cs = clockseq = (seed[6] << 8 | seed[7]) & 0x3fff;
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initialized = true;
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const hexMap = [];
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for (let i = 0; i < 256; i++) {
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hexMap[i] = (i + 0x100).toString(16).substr(1);
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}
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let ms = Date.now();
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let ns = lastns + 1;
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let dt = (ms - lastms) + (ns - lastns) / 10000;
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// Per 4.2.1.2, Bump clockseq on clock regression
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if (dt < 0) {
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cs = cs + 1 & 0x3fff;
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function toHexString(buf) {
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let i = 0;
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return (hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] + '-' +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]] +
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hexMap[buf[i++]]);
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}
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// Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
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// time interval
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if (dt < 0 || ms > lastms) {
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ns = 0;
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const buff = new Uint8Array(16);
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function v4() {
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fill(buff);
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buff[6] = (buff[6] & 0x0f) | 0x40;
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buff[8] = (buff[8] & 0x3f) | 0x80;
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return core.uuid(toHexString(buff));
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}
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// Per 4.2.1.2 Throw error if too many uuids are requested
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if (ns >= 10000) {
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throw new Error("uuid v1 can't create more than 10M uuids/s")
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let initialized = false;
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let node;
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let clockseq;
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let lastms = 0;
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let lastns = 0;
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function v1() {
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let cs = clockseq;
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if (!initialized) {
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const seed = new Uint8Array(8)
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fill(seed);
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// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
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node = [
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seed[0] | 0x01,
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seed[1],
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seed[2],
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seed[3],
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seed[4],
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seed[5]
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];
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// Per 4.2.2, randomize (14 bit) clockseq
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cs = clockseq = (seed[6] << 8 | seed[7]) & 0x3fff;
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initialized = true;
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}
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let ms = Date.now();
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let ns = lastns + 1;
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let dt = (ms - lastms) + (ns - lastns) / 10000;
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// Per 4.2.1.2, Bump clockseq on clock regression
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if (dt < 0) {
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cs = cs + 1 & 0x3fff;
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}
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// Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
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// time interval
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if (dt < 0 || ms > lastms) {
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ns = 0;
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}
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// Per 4.2.1.2 Throw error if too many uuids are requested
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if (ns >= 10000) {
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throw new Error("uuid v1 can't create more than 10M uuids/s")
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}
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lastms = ms;
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lastns = ns;
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clockseq = cs;
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// Per 4.1.4 - Convert from unix epoch to Gregorian epoch
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ms += 12219292800000;
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let i = 0;
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// `time_low`
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var tl = ((ms & 0xfffffff) * 10000 + ns) % 0x100000000;
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buff[i++] = tl >>> 24 & 0xff;
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buff[i++] = tl >>> 16 & 0xff;
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buff[i++] = tl >>> 8 & 0xff;
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buff[i++] = tl & 0xff;
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// `time_mid`
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var tmh = (ms / 0x100000000 * 10000) & 0xfffffff;
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buff[i++] = tmh >>> 8 & 0xff;
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buff[i++] = tmh & 0xff;
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// `time_high_and_version`
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buff[i++] = tmh >>> 24 & 0xf | 0x10; // include version
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buff[i++] = tmh >>> 16 & 0xff;
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// `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
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buff[i++] = cs >>> 8 | 0x80;
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// `clock_seq_low`
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buff[i++] = cs & 0xff;
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// `node`
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for (var n = 0; n < 6; ++n) {
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buff[i + n] = node[n];
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}
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return core.uuid(toHexString(buff));
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}
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lastms = ms;
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lastns = ns;
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clockseq = cs;
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// Per 4.1.4 - Convert from unix epoch to Gregorian epoch
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ms += 12219292800000;
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let i = 0;
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// `time_low`
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var tl = ((ms & 0xfffffff) * 10000 + ns) % 0x100000000;
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buff[i++] = tl >>> 24 & 0xff;
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buff[i++] = tl >>> 16 & 0xff;
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buff[i++] = tl >>> 8 & 0xff;
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buff[i++] = tl & 0xff;
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// `time_mid`
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var tmh = (ms / 0x100000000 * 10000) & 0xfffffff;
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buff[i++] = tmh >>> 8 & 0xff;
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buff[i++] = tmh & 0xff;
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// `time_high_and_version`
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buff[i++] = tmh >>> 24 & 0xf | 0x10; // include version
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buff[i++] = tmh >>> 16 & 0xff;
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// `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
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buff[i++] = cs >>> 8 | 0x80;
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// `clock_seq_low`
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buff[i++] = cs & 0xff;
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// `node`
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for (var n = 0; n < 6; ++n) {
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buff[i + n] = node[n];
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}
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return cljs.uuid(toHexString(buff));
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}
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self.v1 = v1;
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self.v4 = v4;
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});
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