/**
* Parser for credential metadata (signer, timestamp)
*/
import type { AboutTheseCredentials } from '../types/manifest.types.js';
import { createLogger } from '../logger.js';
const logger = createLogger('credentials-parser');
/**
* Parse "About these Content Credentials" section
*/
export function parseAboutTheseCredentials(
manifestText: string
): AboutTheseCredentials | undefined {
const section: AboutTheseCredentials = {};
// Parse claim signer
const signerMatch = manifestText.match(/(?:claim.?signer|signer)[:\s]+([^\n]+)/i);
if (signerMatch?.[1]) {
section.claimSigner = signerMatch[1].trim();
}
// Parse signed by (alternative format)
const signedByMatch = manifestText.match(/signed by[:\s]+([^\n]+)/i);
if (signedByMatch?.[1] && !section.claimSigner) {
section.signedBy = signedByMatch[1].trim();
}
// Parse timestamp
const timestampMatch = manifestText.match(
/(?:timestamp|time|date|signed.?at)[:\s]+([^\n]+(?:Z|[+-]\d{2}:\d{2})?)/i
);
if (timestampMatch?.[1]) {
section.timestamp = timestampMatch[1].trim();
}
// Alternative: ISO 8601 timestamp
if (!section.timestamp) {
const isoMatch = manifestText.match(
/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}:\d{2})?)/
);
if (isoMatch?.[1]) {
section.timestamp = isoMatch[1];
}
}
logger.debug('Found credentials info', {
hasSigner: !!section.claimSigner,
hasTimestamp: !!section.timestamp,
});
return Object.keys(section).length > 0 ? section : undefined;
}
