1. /**
  2. * Flags potentially anomalous directories based on size and modification time.
  3. *
  4. * @param {string[]} directories An array of directory paths to analyze.
  5. * @param {number} sizeThreshold The size threshold in bytes above which a directory is flagged.
  6. * @param {number} ageThreshold The age threshold in days above which a directory is flagged.
  7. * @returns {object} An object containing arrays of flagged directories (size and age).
  8. */
  9. function flagAnomalousDirectories(directories, sizeThreshold, ageThreshold) {
  10. const flaggedBySize = [];
  11. const flaggedByAge = [];
  13. for (const directory of directories) {
  14. try {
  15. const stats = require('fs').statSync(directory); // Use fs.statSync for synchronous operation
  16. const size = stats.size;
  17. const lastModified = stats.mtime;
  19. // Check size anomaly
  20. if (size > sizeThreshold) {
  21. flaggedBySize.push({ directory, size });
  22. }
  24. // Check age anomaly
  25. const now = new Date();
  26. const ageInDays = Math.floor((now - lastModified) / (1000 * 60 * 60 * 24)); // Calculate age in days
  27. if (ageInDays > ageThreshold) {
  28. flaggedByAge.push({ directory, age: ageInDays });
  29. }
  30. } catch (error) {
  31. console.error(`Error processing directory ${directory}: ${error.message}`);
  32. }
  33. }
  35. return { flaggedBySize, flaggedByAge };
  36. }

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