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This commit is contained in:
Louis Lam
2023-10-26 13:23:45 +08:00
parent 5f70fa6baf
commit 7d1da2ad99
34 changed files with 1650 additions and 510 deletions
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69
backend/util-common.ts
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@ -1,12 +1,38 @@
import dayjs from "dayjs";
// For loading dayjs plugins, don't remove event though it is not used in this file
import dayjs from "dayjs";
import timezone from "dayjs/plugin/timezone";
import utc from "dayjs/plugin/utc";
import { randomBytes } from "crypto";
let randomBytes : (numBytes: number) => Uint8Array;
if (typeof window !== "undefined" && window.crypto) {
randomBytes = function randomBytes(numBytes: number) {
const bytes = new Uint8Array(numBytes);
for (let i = 0; i < numBytes; i += 65536) {
window.crypto.getRandomValues(bytes.subarray(i, i + Math.min(numBytes - i, 65536)));
}
return bytes;
};
} else {
randomBytes = (await import("node:crypto")).randomBytes;
}
export const isDev = process.env.NODE_ENV === "development";
export const TERMINAL_COLS = 80;
export const TERMINAL_ROWS = 10;
export const PROGRESS_TERMINAL_ROWS = 8;
export const ERROR_TYPE_VALIDATION = 1;
export const allowedCommandList : string[] = [
"docker",
"ls",
"cd",
"dir",
];
export const allowedRawKeys = [
"\u0003", // Ctrl + C
];
/**
* Generate a decimal integer number from a string
@ -54,7 +80,6 @@ export function genSecret(length = 64) {
* @returns Cryptographically suitable random integer
*/
export function getCryptoRandomInt(min: number, max: number):number {
// synchronous version of: https://github.com/joepie91/node-random-number-csprng
const range = max - min;
@ -76,11 +101,11 @@ export function getCryptoRandomInt(min: number, max: number):number {
tmpRange = tmpRange >>> 1;
}
const randomBytes = getRandomBytes(bytesNeeded);
const bytes = randomBytes(bytesNeeded);
let randomValue = 0;
for (let i = 0; i < bytesNeeded; i++) {
randomValue |= randomBytes[i] << 8 * i;
randomValue |= bytes[i] << 8 * i;
}
randomValue = randomValue & mask;
@ -92,27 +117,15 @@ export function getCryptoRandomInt(min: number, max: number):number {
}
}
/**
* Returns either the NodeJS crypto.randomBytes() function or its
* browser equivalent implemented via window.crypto.getRandomValues()
*/
const getRandomBytes = (
(typeof window !== "undefined" && window.crypto)
export function getComposeTerminalName(stack : string) {
return "compose-" + stack;
}
// Browsers
? function () {
return (numBytes: number) => {
const randomBytes = new Uint8Array(numBytes);
for (let i = 0; i < numBytes; i += 65536) {
window.crypto.getRandomValues(randomBytes.subarray(i, i + Math.min(numBytes - i, 65536)));
}
return randomBytes;
};
}
export function getContainerTerminalName(container : string) {
return "container-" + container;
}
export function getContainerExecTerminalName(container : string, index : number) {
return "container-exec-" + container + "-" + index;
}
// Node
: function () {
// eslint-disable-next-line @typescript-eslint/no-var-requires
return randomBytes;
}
)();