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feat(dashmate): validate SSL certificate files #2089

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Aug 29, 2024
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import fs from 'fs';
import { Listr } from 'listr2';
import crypto from 'node:crypto';

import {
PRESET_MAINNET,
Expand Down Expand Up @@ -35,6 +36,10 @@ export default function configureSSLCertificateTaskFactory(
if (!ctx.fileCertificateProviderForm) {
form = await task.prompt({
type: 'form',
header: ` To configure SSL certificate, you need to provide a certificate chain file
and a private key file.
Certificate chain file should contain your server certificate at the top and
then intermediate/root certificates if present.\n`,
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message: 'Specify paths to your certificate files',
choices: [
{
Expand All @@ -61,6 +66,34 @@ export default function configureSSLCertificateTaskFactory(
return 'the same path for both files';
}

const bundlePem = fs.readFileSync(chainFilePath, 'utf8');
const privateKeyPem = fs.readFileSync(privateFilePath, 'utf8');

// Step 2: Create a signature using the private key
const data = 'This is a test message';
const sign = crypto.createSign('SHA256');
sign.update(data);
sign.end();

const signature = sign.sign(privateKeyPem, 'hex');
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// Verify the signature using the public key from the certificate
const verify = crypto.createVerify('SHA256');
verify.update(data);
verify.end();

// Extract the public key from the first certificate in the bundle
const certificate = crypto.createPublicKey({
key: bundlePem,
format: 'pem',
});

const isValid = verify.verify(certificate, signature, 'hex');

if (!isValid) {
return 'The certificate and private key do not match';
}

return true;
},
});
Expand Down
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