37 lines
920 B
JavaScript

import { Buffer } from 'buffer'
export function parseInput(input) {
const normalizedInput = input.replace(/\s/g, "");
const normalizedHexInput = normalizedInput.replace(/0x/g, "").toLowerCase();
if (isHex(normalizedHexInput)) {
return Buffer.from(normalizedHexInput, "hex");
} else {
return Buffer.from(normalizedInput, "base64");
}
}
export function isHex(string) {
let result = true;
for (const char of string) {
if (!((char >= "a" && char <= "f") || (char >= "0" && char <= "9"))) {
result = false;
}
}
return result;
}
export function bufferLeToBeHex(buffer) {
let output = "";
for (const v of buffer) {
const hex = v.toString(16);
if (hex.length === 1) {
output = "0" + hex + output;
} else {
output = hex + output;
}
}
return output;
}
export const bufferToPrettyHex = b => [...b].map(c => c.toString(16).padStart(2, '0')).join(' ');