mirror of https://github.com/gchq/CyberChef.git
73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
/**
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* Public key resources.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import { toHex, fromHex } from "./Hex.mjs";
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/**
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* Formats Distinguished Name (DN) strings.
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*
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* @param {string} dnStr
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* @param {number} indent
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* @returns {string}
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*/
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export function formatDnStr (dnStr, indent) {
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const fields = dnStr.substr(1).replace(/([^\\])\//g, "$1$1/").split(/[^\\]\//);
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let output = "",
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maxKeyLen = 0,
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key,
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value,
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i,
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str;
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for (i = 0; i < fields.length; i++) {
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if (!fields[i].length) continue;
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key = fields[i].split("=")[0];
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maxKeyLen = key.length > maxKeyLen ? key.length : maxKeyLen;
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}
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for (i = 0; i < fields.length; i++) {
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if (!fields[i].length) continue;
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key = fields[i].split("=")[0];
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value = fields[i].split("=")[1];
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str = key.padEnd(maxKeyLen, " ") + " = " + value + "\n";
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output += str.padStart(indent + str.length, " ");
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}
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return output.slice(0, -1);
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}
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/**
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* Formats byte strings by adding line breaks and delimiters.
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*
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* @param {string} byteStr
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* @param {number} length - Line width
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* @param {number} indent
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* @returns {string}
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*/
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export function formatByteStr (byteStr, length, indent) {
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byteStr = toHex(fromHex(byteStr), ":");
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length = length * 3;
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let output = "";
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for (let i = 0; i < byteStr.length; i += length) {
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const str = byteStr.slice(i, i + length) + "\n";
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if (i === 0) {
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output += str;
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} else {
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output += str.padStart(indent + str.length, " ");
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}
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}
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return output.slice(0, output.length-1);
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}
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