Add standalone encryption/decryption scripts with cross-platform support
- Add decrypt/encrypt scripts for macOS, Windows, and Linux - Add cross-platform Python script (decrypt_folder.py) - Update README with setup instructions for all platforms - Scripts support all file types: png, jpg, jpeg, webp, gif, mp4, avi, mov
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MachinePainting
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#!/usr/bin/env python3
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"""
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DropSend Decryption Script for Windows
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Decrypts .enc files using a key from environment variable or manual input
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"""
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import os
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import sys
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import shutil
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try:
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from cryptography.fernet import Fernet
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except ImportError:
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print("Error: cryptography library not installed.")
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print("Run: pip install cryptography")
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sys.exit(1)
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def get_encryption_key():
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"""Get encryption key from environment variable or user input."""
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# Try environment variable first
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key = os.environ.get('DROPSEND_ENCRYPTION_KEY')
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if key:
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print("Using key from DROPSEND_ENCRYPTION_KEY environment variable.")
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return key
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# Prompt user
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print("")
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print("Encryption key not found in environment.")
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print("")
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print("To set up automatic key retrieval:")
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print(" 1. Press Win + R, type 'sysdm.cpl', press Enter")
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print(" 2. Go to Advanced tab > Environment Variables")
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print(" 3. Under User variables, click New")
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print(" 4. Variable name: DROPSEND_ENCRYPTION_KEY")
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print(" 5. Variable value: [your encryption key]")
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print(" 6. Click OK and restart any open terminals")
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print("")
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key = input("Enter your encryption key: ").strip()
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if not key:
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print("Error: No key provided.")
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sys.exit(1)
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return key
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def decrypt_file(encrypted_path, output_path, fernet):
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"""Decrypt a single file."""
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try:
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with open(encrypted_path, 'rb') as enc_file:
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encrypted_data = enc_file.read()
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decrypted_data = fernet.decrypt(encrypted_data)
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with open(output_path, 'wb') as dec_file:
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dec_file.write(decrypted_data)
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return True
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except Exception as e:
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print(f" X Error decrypting {os.path.basename(encrypted_path)}: {e}")
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return False
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def main():
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print("=== DropSend File Decryption (Windows) ===")
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print("")
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# Get folder path
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folder = input("Enter the folder path containing .enc files: ").strip()
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# Remove surrounding quotes if present
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folder = folder.strip('"\'')
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if not folder or not os.path.isdir(folder):
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print(f"Error: '{folder}' is not a valid directory.")
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sys.exit(1)
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print(f"Processing folder: {folder}")
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print("")
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# Recursive option
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recursive_input = input("Decrypt files recursively (including subfolders)? (Y/N): ").strip().upper()
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recursive = recursive_input == 'Y'
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# Get encryption key
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print("")
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key = get_encryption_key()
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try:
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fernet = Fernet(key.encode())
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except Exception as e:
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print(f"Error: Invalid encryption key format: {e}")
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sys.exit(1)
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print("")
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print("Scanning for .enc files...")
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# Find all .enc files
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enc_files = []
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if recursive:
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for root, _, files in os.walk(folder):
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for file in files:
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if file.endswith('.enc'):
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enc_files.append(os.path.join(root, file))
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else:
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for file in os.listdir(folder):
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if file.endswith('.enc'):
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enc_files.append(os.path.join(folder, file))
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if not enc_files:
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print("No .enc files found in the specified location.")
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sys.exit(0)
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print(f"Found {len(enc_files)} .enc file(s) to decrypt.")
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print("")
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success_count = 0
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error_count = 0
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for enc_path in enc_files:
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# Remove .enc extension to get original filename
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# The original extension is preserved (e.g., image.png.enc -> image.png)
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out_path = enc_path[:-4] # Remove .enc
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if decrypt_file(enc_path, out_path, fernet):
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print(f" + Decrypted: {os.path.basename(out_path)}")
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success_count += 1
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else:
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error_count += 1
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print("")
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print(f"Decryption complete: {success_count} successful, {error_count} failed")
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print("")
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# Offer to move .enc files
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move_input = input("Move all .enc files to a separate folder? (Y/N): ").strip().upper()
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if move_input == 'Y':
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enc_folder = os.path.join(folder, "_encrypted_originals")
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os.makedirs(enc_folder, exist_ok=True)
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moved_count = 0
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for enc_path in enc_files:
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if os.path.exists(enc_path):
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dest = os.path.join(enc_folder, os.path.basename(enc_path))
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shutil.move(enc_path, dest)
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moved_count += 1
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print(f"Moved {moved_count} .enc file(s) to: {enc_folder}")
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else:
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print("Leaving .enc files in place.")
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print("")
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print("Done!")
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if __name__ == "__main__":
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main()
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@@ -0,0 +1,155 @@
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#!/usr/bin/env python3
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"""
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DropSend Encryption Script for Windows
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Encrypts image/video files using a key from environment variable or manual input
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NOTE: This script is for LOCAL USE ONLY - for encrypting files on your local machine
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outside of ComfyUI. The DropSend node handles encryption automatically during upload.
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"""
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import os
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import sys
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try:
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from cryptography.fernet import Fernet
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except ImportError:
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print("Error: cryptography library not installed.")
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print("Run: pip install cryptography")
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sys.exit(1)
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# Supported file extensions (matching DropSend node)
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SUPPORTED_EXTENSIONS = ('.png', '.jpg', '.jpeg', '.webp', '.gif', '.mp4', '.avi', '.mov')
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def get_encryption_key():
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"""Get encryption key from environment variable or user input."""
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# Try environment variable first
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key = os.environ.get('DROPSEND_ENCRYPTION_KEY')
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if key:
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print("Using key from DROPSEND_ENCRYPTION_KEY environment variable.")
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return key
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# Prompt user
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print("")
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print("Encryption key not found in environment.")
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print("")
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print("To set up automatic key retrieval:")
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print(" 1. Press Win + R, type 'sysdm.cpl', press Enter")
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print(" 2. Go to Advanced tab > Environment Variables")
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print(" 3. Under User variables, click New")
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print(" 4. Variable name: DROPSEND_ENCRYPTION_KEY")
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print(" 5. Variable value: [your encryption key]")
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print(" 6. Click OK and restart any open terminals")
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print("")
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key = input("Enter your encryption key: ").strip()
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if not key:
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print("Error: No key provided.")
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sys.exit(1)
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return key
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def encrypt_file(input_path, output_path, fernet):
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"""Encrypt a single file."""
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try:
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with open(input_path, 'rb') as in_file:
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data = in_file.read()
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encrypted_data = fernet.encrypt(data)
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with open(output_path, 'wb') as out_file:
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out_file.write(encrypted_data)
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return True
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except Exception as e:
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print(f" X Error encrypting {os.path.basename(input_path)}: {e}")
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return False
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def main():
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print("=== DropSend File Encryption (Windows) ===")
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print("")
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print("NOTE: This script is for LOCAL USE ONLY.")
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print("The DropSend node handles encryption automatically during upload.")
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print("")
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# Get folder path
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folder = input("Enter the folder path containing files to encrypt: ").strip()
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# Remove surrounding quotes if present
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folder = folder.strip('"\'')
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if not folder or not os.path.isdir(folder):
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print(f"Error: '{folder}' is not a valid directory.")
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sys.exit(1)
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print(f"Processing folder: {folder}")
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print("")
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# Recursive option
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recursive_input = input("Encrypt files recursively (including subfolders)? (Y/N): ").strip().upper()
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recursive = recursive_input == 'Y'
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# Get encryption key
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print("")
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key = get_encryption_key()
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try:
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fernet = Fernet(key.encode())
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except Exception as e:
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print(f"Error: Invalid encryption key format: {e}")
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sys.exit(1)
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print("")
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print("Scanning for supported files...")
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print(f"Supported formats: {', '.join(SUPPORTED_EXTENSIONS)}")
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print("")
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# Find all supported files
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files_to_encrypt = []
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if recursive:
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for root, _, files in os.walk(folder):
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for file in files:
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if file.lower().endswith(SUPPORTED_EXTENSIONS):
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files_to_encrypt.append(os.path.join(root, file))
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else:
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for file in os.listdir(folder):
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if file.lower().endswith(SUPPORTED_EXTENSIONS):
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files_to_encrypt.append(os.path.join(folder, file))
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if not files_to_encrypt:
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print("No supported files found in the specified location.")
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sys.exit(0)
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print(f"Found {len(files_to_encrypt)} file(s) to encrypt.")
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print("")
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success_count = 0
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error_count = 0
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for file_path in files_to_encrypt:
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temp_enc_path = file_path + '.tmp.enc'
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final_enc_path = file_path + '.enc'
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try:
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if encrypt_file(file_path, temp_enc_path, fernet):
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os.remove(file_path) # Delete original
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os.rename(temp_enc_path, final_enc_path) # Rename to final
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print(f" + Encrypted: {os.path.basename(file_path)} -> {os.path.basename(final_enc_path)}")
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success_count += 1
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else:
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error_count += 1
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if os.path.exists(temp_enc_path):
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os.remove(temp_enc_path)
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except Exception as e:
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print(f" X Error processing {os.path.basename(file_path)}: {e}")
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error_count += 1
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if os.path.exists(temp_enc_path):
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os.remove(temp_enc_path)
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print("")
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print(f"Encryption complete: {success_count} successful, {error_count} failed")
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print("")
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print("Done!")
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if __name__ == "__main__":
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main()
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