safety-safe/src/checks/checkDocumentProperties.js

Firewall cerdas untuk Bot WhatsApp untuk mendeteksi dan memfilter pesan bug/crash/spam (Baileys).

function analyzeSingleDocument(doc, config) {
  if (!doc) return { isMalicious: false, reason: null };

  const fileLength = doc.fileLength ? parseInt(doc.fileLength.toString(), 10) : 0;
  if (fileLength > config.maxFileLength) {
    return { isMalicious: true, reason: 'Impossible Document fileLength', severity: 'CRITICAL', threatType: 'CRASH' };
  }

  if (doc.pageCount && doc.pageCount > config.maxPageCount) {
    return { isMalicious: true, reason: 'Impossible Document pageCount', severity: 'CRITICAL', threatType: 'CRASH' };
  }
  
  return { isMalicious: false, reason: null };
}

function checkDocumentProperties(message, config) {
  const locations = [
    message.documentMessage,
    message.interactiveMessage?.header?.documentMessage,
    message.extendedTextMessage?.contextInfo?.quotedMessage?.documentMessage
  ];

  for (const doc of locations) {
    if (doc) {
      const result = analyzeSingleDocument(doc, config);
      if (result.isMalicious) return result;
    }
  }
  
  return { isMalicious: false, reason: null };
}

export default checkDocumentProperties;