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Alternative ID generators aren't used anymore

This commit is contained in:
Natty 2023-07-09 22:44:17 +02:00
parent 534655c66d
commit c5987de47e
Signed by: natty
GPG Key ID: BF6CB659ADEE60EC
4 changed files with 0 additions and 105 deletions
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25
packages/backend/src/misc/id/aid.ts
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@ -1,25 +0,0 @@
// AID
// 長さ8の[2000年1月1日からの経過ミリ秒をbase36でエンコードしたもの] + 長さ2の[ノイズ文字列]
import * as crypto from "node:crypto";
const TIME2000 = 946684800000;
let counter = crypto.randomBytes(2).readUInt16LE(0);
function getTime(time: number) {
time = time - TIME2000;
if (time < 0) time = 0;
return time.toString(36).padStart(8, "0");
}
function getNoise() {
return counter.toString(36).padStart(2, "0").slice(-2);
}
export function genAid(date: Date): string {
const t = date.getTime();
if (isNaN(t)) throw "Failed to create AID: Invalid Date";
counter++;
return getTime(t) + getNoise();
}

26
packages/backend/src/misc/id/meid.ts
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@ -1,26 +0,0 @@
const CHARS = "0123456789abcdef";
function getTime(time: number) {
if (time < 0) time = 0;
if (time === 0) {
return CHARS[0];
}
time += 0x800000000000;
return time.toString(16).padStart(12, CHARS[0]);
}
function getRandom() {
let str = "";
for (let i = 0; i < 12; i++) {
str += CHARS[Math.floor(Math.random() * CHARS.length)];
}
return str;
}
export function genMeid(date: Date): string {
return getTime(date.getTime()) + getRandom();
}

28
packages/backend/src/misc/id/meidg.ts
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@ -1,28 +0,0 @@
const CHARS = "0123456789abcdef";
// 4bit Fixed hex value 'g'
// 44bit UNIX Time ms in Hex
// 48bit Random value in Hex
function getTime(time: number) {
if (time < 0) time = 0;
if (time === 0) {
return CHARS[0];
}
return time.toString(16).padStart(11, CHARS[0]);
}
function getRandom() {
let str = "";
for (let i = 0; i < 12; i++) {
str += CHARS[Math.floor(Math.random() * CHARS.length)];
}
return str;
}
export function genMeidg(date: Date): string {
return `g${getTime(date.getTime())}${getRandom()}`;
}

26
packages/backend/src/misc/id/object-id.ts
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@ -1,26 +0,0 @@
const CHARS = "0123456789abcdef";
function getTime(time: number) {
if (time < 0) time = 0;
if (time === 0) {
return CHARS[0];
}
time = Math.floor(time / 1000);
return time.toString(16).padStart(8, CHARS[0]);
}
function getRandom() {
let str = "";
for (let i = 0; i < 16; i++) {
str += CHARS[Math.floor(Math.random() * CHARS.length)];
}
return str;
}
export function genObjectId(date: Date): string {
return getTime(date.getTime()) + getRandom();
}