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feat: implement DER certificate parsing

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Matthew Lopez 2024-06-03 22:01:18 -04:00
parent 1e16429660
commit d4b2edd3f4
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GPG Key ID: 302A6EE3D63B7E0E
1 changed files with 20 additions and 5 deletions
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25
patch.js
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@ -1,13 +1,14 @@
const fs = require('node:fs');
const crypto = require('node:crypto');
const path = require('node:path');
const { pki, md } = require('node-forge');
const { asn1, pki, md } = require('node-forge');
const prompt = require('prompt');
const colors = require('@colors/colors/safe');
const dotenv = require('dotenv');
const defaultOptions = {
nintendo_ca_g3_path: './CACERT_NINTENDO_CA_G3.pem',
nintendo_ca_g3_path: './CACERT_NINTENDO_CA_G3.der',
nintendo_ca_g3_format: 'der',
ca_private_key_path: undefined,
site_private_key_path: undefined,
csr_path: undefined,
@ -26,6 +27,7 @@ async function main() {
const options = {
nintendo_ca_g3_path: process.env.NINTENDO_CA_G3_PATH || defaultOptions.nintendo_ca_g3_path,
nintendo_ca_g3_format: process.env.NINTENDO_CA_G3_FORMAT || defaultOptions.nintendo_ca_g3_format,
ca_private_key_path: process.env.CA_PRIVATE_KEY_PATH || defaultOptions.ca_private_key_path,
site_private_key_path: process.env.SITE_PRIVATE_KEY_PATH || defaultOptions.site_private_key_path,
csr_path: process.env.CSR_PATH || defaultOptions.csr_path,
@ -48,9 +50,13 @@ async function showPrompt() {
const options = await prompt.get({
properties: {
nintendo_ca_g3_path: {
description: colors.blue('Path to Nintendo CA - G3 (default to this directory, "CACERT_NINTENDO_CA_G3.der")'),
description: colors.blue('Path to Nintendo CA - G3 (default to this directory)'),
default: defaultOptions.nintendo_ca_g3_path
},
nintendo_ca_g3_format: {
description: colors.blue('Nintendo CA - G3 format (must be "der" or "pem")'),
default: defaultOptions.nintendo_ca_g3_format
},
ca_private_key_path: {
description: colors.blue('Path to private key for forged CA (will generate if not set)'),
default: defaultOptions.ca_private_key_path
@ -139,8 +145,17 @@ function validateOptions(options) {
function forgeCertificateChain(options) {
// * Parse Nintendo CA - G3
const nintendoCAG3PEM = fs.readFileSync(options.nintendo_ca_g3_path);
const nintendoCAG3 = pki.certificateFromPem(nintendoCAG3PEM);
let nintendoCAG3;
if (options.nintendo_ca_g3_format === 'pem') {
const nintendoCAG3PEM = fs.readFileSync(options.nintendo_ca_g3_path);
nintendoCAG3 = pki.certificateFromPem(nintendoCAG3PEM);
} else if (options.nintendo_ca_g3_format === 'der') {
const nintendoCAG3DER = fs.readFileSync(options.nintendo_ca_g3_path, 'binary');
const nintendoCAG3ASN1 = asn1.fromDer(nintendoCAG3DER);
nintendoCAG3 = pki.certificateFromAsn1(nintendoCAG3ASN1);
} else {
throw new Error('Invalid Nintendo CA - G3 format: must be "der" or "pem"');
}
let caPrivateKey;
let caPublicKey;