47 lines
1.4 KiB
TypeScript
47 lines
1.4 KiB
TypeScript
import { asn1, pki, util } from 'node-forge';
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const fetchPublicKey = (): string => {
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return Buffer.from(process.env.PUBLIC_KEY!, 'base64').toString('ascii');
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};
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const fetchPrivateKey = (): string => {
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return Buffer.from(process.env.PRIVATE_KEY!, 'base64').toString('ascii');
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};
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function getPublicKeyPemFromCertificate(x509Certificate: string) {
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const certDerBytes = util.decode64(x509Certificate);
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const obj = asn1.fromDer(certDerBytes);
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const cert = pki.certificateFromAsn1(obj);
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return pki.publicKeyToPem(cert.publicKey);
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}
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const stripCertHeaderAndFooter = (cert: string): string => {
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cert = cert.replace(/-+BEGIN CERTIFICATE-+\r?\n?/, '');
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cert = cert.replace(/-+END CERTIFICATE-+\r?\n?/, '');
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cert = cert.replace(/\r\n/g, '\n');
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return cert;
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};
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function GetKeyInfo(this: any, x509Certificate: string, signatureConfig: any = {}) {
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x509Certificate = stripCertHeaderAndFooter(x509Certificate);
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this.getKeyInfo = () => {
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const prefix = signatureConfig.prefix ? `${signatureConfig.prefix}:` : '';
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return `<${prefix}X509Data><${prefix}X509Certificate>${x509Certificate}</${prefix}X509Certificate></${prefix}X509Data>`;
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};
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this.getKey = () => {
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return getPublicKeyPemFromCertificate(x509Certificate).toString();
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};
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}
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export {
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fetchPublicKey,
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fetchPrivateKey,
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stripCertHeaderAndFooter,
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getPublicKeyPemFromCertificate,
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GetKeyInfo,
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};
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