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Anthropic-Cybersecurity-Skills/skills/recovering-deleted-files-with-photorec/references/api-reference.md
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API Reference: Recovering Deleted Files with PhotoRec Agent

Overview

Wraps PhotoRec via subprocess for forensic file recovery from disk images, with automated file cataloging, SHA-256 hashing for evidence integrity, and categorized sorting.

Dependencies

Package Version Purpose
hashlib stdlib SHA-256 hashing for evidence integrity
subprocess stdlib PhotoRec command execution
pathlib stdlib File extension handling

External Tools Required

Tool Purpose
photorec File carving and recovery from disk images
file File type identification

Core Functions

run_photorec(image_path, output_dir, file_types, partition)

Executes PhotoRec with optional file type filtering and partition selection.

  • Timeout: 14400 seconds (4 hours)
  • Returns: dict with command, returncode, output_dir

catalog_recovered_files(output_dir)

Catalogs all recovered files by extension with counts and sizes.

  • Returns: dict with total_files, total_mb, by_extension

hash_recovered_files(output_dir, extensions)

Generates SHA-256 hashes for recovered files, optionally filtered by extension.

  • Returns: list[dict] with file path, sha256, size

sort_recovered_files(output_dir, sorted_dir)

Sorts recovered files into categories: documents, images, databases, archives, executables, email, web, other.

  • Returns: dict[str, int] - category to file count

full_recovery_pipeline(image_path, output_dir, file_types)

End-to-end: image info -> PhotoRec recovery -> catalog -> sort.

File Categories

Category Extensions
documents .doc, .docx, .pdf, .xls, .xlsx, .ppt, .txt, .csv
images .jpg, .png, .gif, .bmp, .tiff, .svg
databases .db, .sqlite, .mdb, .sql
archives .zip, .rar, .7z, .tar, .gz
executables .exe, .dll, .bat, .ps1, .sh
email .eml, .msg, .pst, .ost

Usage

python agent.py /cases/evidence.dd /cases/recovered/ jpg,pdf,doc