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gui.py
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gui.py
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import os
import PySimpleGUI as sg
import crypto
import stego
sg.theme('Black')
tab1_layout = [
[
sg.Column([
[sg.Radio("Encrypt with AES encryption", group_id='aes_rsa_radios', key='aes_radio', default=True, enable_events=True)],
[sg.Radio("Encrypt with RSA encryption", group_id='aes_rsa_radios', key='rsa_radio', default=False, enable_events=True)],
[sg.Radio("Do not encrypt", group_id='aes_rsa_radios', key='no_encryption_radio', default=False, enable_events=True)],
[sg.Checkbox("Hide data inside image", key='image_checkbox', default=True, enable_events=True)],
[sg.Text(text="Output folder", key='output_dir_title')],
[sg.Column([[sg.Input(key='output_dir'), sg.FolderBrowse(key='output_dir_browse')]], key='output_dir_row')],
[sg.Text(text='', key='output_dir_message', size=(40, 2))],
[sg.Text(text="Public key", key='public_key_title')],
[sg.Column([[sg.Input(key='public_key', disabled_readonly_background_color='black'), sg.FileBrowse(key='public_key_browse', file_types=(('PEM Files', '*.pem'), ))]], key='public_key_row')],
[sg.Text(text='', key='public_key_message', size=(40, 2))],
[sg.Text(text="Image file", key='image_file_title')],
[sg.Column([[sg.Input(key='image_file', disabled_readonly_background_color='black'), sg.FileBrowse(key='image_file_browse', file_types=(('PNG Files', '*.png'), ))]], key='image_file_row')],
[sg.Text(text='', key='image_file_message', size=(40, 2))]
], vertical_alignment='top'),
sg.VerticalSeparator(),
sg.Column([
[
sg.Radio("Text", 'text_file_radios', key='text_radio', default=True, enable_events=True),
sg.Radio("File", 'text_file_radios', key='file_radio', default=False, enable_events=True)
],
[sg.Text(text="File", key='file_title')],
[sg.Column([[sg.Input(key='file', disabled_readonly_background_color='black', disabled=True), sg.FileBrowse(key='file_browse', disabled=True)]], key='file_row')],
[sg.Text(text='', key='encrypt_file_text', size=(40, 2))],
[sg.Text(text="Text", key='text_title')],
[sg.Multiline(default_text='Your message here', size=(40, 15), key='message')],
[sg.Text(text='', key='encrypt_message_text', size=(40, 2))],
[sg.Column([[sg.Button(button_text="Encrypt", key='encrypt_button')]])]
], vertical_alignment='top')
]
]
tab2_layout = [
[
sg.Column([
[sg.Text(text="Encrypted file", key='encrypted_file_title')],
[sg.Column([[sg.Input(key='encrypted_file'), sg.FileBrowse(key='encrypted_file_browse')]], key='encrypted_file_row')],
[sg.Text(text='', key='encrypted_file_message', size=(40, 2))],
[sg.Text(text="Private key", key='private_key_title')],
[sg.Column([[sg.Input(key='private_key'), sg.FileBrowse(key='private_key_browse', file_types=(('PEM Files', '*.pem'), ))]], key='private_key_row')],
[sg.Text(text='', key='private_key_message', size=(40, 2))],
[sg.Text(text="Output folder", key='output_decrypt_dir_title')],
[sg.Column([[sg.Input(key='output_decrypt_dir', disabled_readonly_background_color='black'), sg.FolderBrowse(key='output_decrypt_dir_browse')]], key='output_decrypt_dir_row')],
[sg.Text(text='', key='output_decrypt_dir_message', size=(40, 2))]
], vertical_alignment='top'),
sg.VerticalSeparator(),
sg.Column([
[sg.Text(text="Text", key='decrypted_message_title')],
[sg.Multiline(size=(40, 15), disabled=True, key='decrypted_message')],
[sg.Text(text='', key='decrypt_message', size=(40, 2))],
[sg.Column([[sg.Button(button_text="Decrypt", key='decrypt_button')]])]
], vertical_alignment='top')
]
]
tab3_layout = [
[
sg.Column([
[sg.Text("Key size")],
[sg.Combo(('2048', '3072', '4096', '8192'), default_value='3072', key='key_size')],
[sg.Text("Output folder")],
[sg.Column([[sg.Input(key='keys_dir'), sg.FolderBrowse(key='keys_dir_browse')]], key='keys_dir_row')],
[sg.Text(text='', key='keys_dir_message', size=(40, 2))],
[sg.Button(button_text="Generate keys", key='generate_button')]
], vertical_alignment='top')
]
]
layout = [
[
sg.TabGroup([
[sg.Tab("Encrypt", tab1_layout), sg.Tab("Decrypt", tab2_layout), sg.Tab("Keys", tab3_layout)]
])
]
]
def save_file(path: str, data: bytes):
try:
with open(path, 'xb') as file:
file.write(data)
except FileExistsError:
filename, extension = os.path.splitext(path)
path = filename + '{}' + extension
counter = 1
while os.path.isfile(path.format(counter)):
counter += 1
path = path.format(counter)
path = save_file(path, data)
return path
window = sg.Window("Stegosaurus", layout)
while True:
window.refresh()
event, values = window.read()
if event == sg.WIN_CLOSED:
break
elif event == 'generate_button':
if not os.path.exists(values['keys_dir']):
window['keys_dir_message'].update("Invalid folder", text_color='red')
else:
try:
public_key, private_key = crypto.generate_key_pair(int(values['key_size']))
save_file(f"{values['keys_dir']}/public_{values['key_size']}.pem", public_key)
save_file(f"{values['keys_dir']}/private_{values['key_size']}.pem", private_key)
window['keys_dir_message'].update("Successfully generated key pair", text_color='green')
except Exception as exception:
window['keys_dir_message'].update(f"Unable to generate key pair\n{exception}", text_color='red')
elif event == 'encrypt_button':
if not os.path.exists(values['output_dir']):
window['output_dir_message'].update("Invalid folder", text_color='red')
if values['no_encryption_radio'] is False:
if not os.path.exists(values['public_key']):
window['public_key_message'].update("Invalid PEM file", text_color='red')
if values['image_checkbox']:
if not os.path.exists(values['image_file']):
window['image_file_message'].update("Invalid PNG file", text_color='red')
try:
if values['rsa_radio']:
if not values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
if values['text_radio']:
output_path = f"{values['output_dir']}/encrypted"
encrypted = crypto.encrypt_rsa(values['message'], values['public_key'], 'rsa_text')
save_file(output_path, encrypted)
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['file'], 'rb') as input_file:
file_data = input_file.read()
output_path = f"{values['output_dir']}/{os.path.basename(values['file'])}.encrypted"
encrypted = crypto.encrypt_rsa(file_data, values['public_key'], f"rsa_file:{os.path.basename(values['file'])}")
save_file(output_path, encrypted)
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
encrypted = crypto.encrypt_rsa(values['message'], values['public_key'], 'rsa_text')
stego.encode(encrypted, values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['file'], 'rb') as input_file:
file_data = input_file.read()
encrypted = crypto.encrypt_rsa(file_data, values['public_key'], f"rsa_file:{os.path.basename(values['file'])}")
stego.encode(encrypted, values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['aes_radio']:
if not values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
if values['text_radio']:
output_path = f"{values['output_dir']}/encrypted"
encrypted = crypto.encrypt_aes(values['message'], values['public_key'], 'aes_text')
save_file(output_path, encrypted)
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['file'], 'rb') as input_file:
file_data = input_file.read()
output_path = f"{values['output_dir']}/{os.path.basename(values['file'])}.encrypted"
encrypted = crypto.encrypt_aes(file_data, values['public_key'], f"aes_file:{os.path.basename(values['file'])}")
save_file(output_path, encrypted)
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['public_key']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['public_key_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
encrypted = crypto.encrypt_aes(values['message'], values['public_key'], 'aes_text')
stego.encode(encrypted, values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['file'], 'rb') as input_file:
file_data = input_file.read()
encrypted = crypto.encrypt_aes(file_data, values['public_key'], f"aes_file:{os.path.basename(values['file'])}")
stego.encode(encrypted, values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['no_encryption_radio'] and values['image_checkbox']:
if os.path.exists(values['output_dir']) and os.path.exists(values['image_file']):
window['output_dir_message'].update('')
window['image_file_message'].update('')
if values['text_radio']:
stego.encode('plain_text\u2028' + values['message'], values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
elif values['file_radio']:
with open(values['file'], 'rb') as input_file:
file_data = input_file.read()
stego.encode(f"plain_file:{os.path.basename(values['file'])}\u2028".encode('utf-8') + file_data, values['image_file'], f"{values['output_dir']}/encrypted.png")
window['encrypt_message_text'].update("Successfully encrypted", text_color='green')
except Exception as exception:
window['encrypt_message_text'].update(f"Unable to encrypt\n{exception}", text_color='red')
elif event == 'decrypt_button':
if not os.path.exists(values['encrypted_file']):
window['encrypted_file_message'].update("Invalid file", text_color='red')
try:
with open(values['encrypted_file'], 'rb') as input_file:
encrypted = input_file.read()
if values['encrypted_file'].split('.')[-1].lower() == 'png':
encrypted = stego.decode(values['encrypted_file'])
sep = '\u2028'.encode('utf-8')
if encrypted.split(sep)[0] == b'plain_text':
window['decrypted_message'].update(encrypted.split(sep)[1].decode('utf-8'))
window['decrypt_message'].update('Successfully decrypted file', text_color='green')
continue
elif encrypted.split(sep)[0].startswith(b'plain_file:'):
filename = encrypted.split(sep)[0].split(b':')[1].decode('utf-8')
decrypted = encrypted.split(sep)[1]
filename = save_file(f"{values['output_decrypt_dir']}/{filename}", decrypted)
try:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'. Contents:\n\n{decrypted.decode('utf-8')}")
except Exception:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
continue
header = crypto.get_header(encrypted)
if header == b'rsa_text':
header, decrypted = crypto.decrypt_rsa(encrypted, values['private_key'])
window['decrypted_message'].update(decrypted.decode('utf-8'))
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif header == b'aes_text':
header, decrypted = crypto.decrypt_aes(encrypted, values['private_key'])
window['decrypted_message'].update(decrypted.decode('utf-8'))
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif not os.path.exists(values['output_decrypt_dir']):
window['output_decrypt_dir_message'].update("Invalid folder", text_color='red')
elif header.startswith(b'rsa_file:'):
filename = header.split(b':')[1].decode('utf-8')
header, decrypted = crypto.decrypt_rsa(encrypted, values['private_key'])
filename = save_file(f"{values['output_decrypt_dir']}/{filename}", decrypted)
try:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'. Contents:\n\n{decrypted.decode('utf-8')}")
except Exception:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
elif header.startswith(b'aes_file:'):
filename = header.split(b':')[1].decode('utf-8')
header, decrypted = crypto.decrypt_aes(encrypted, values['private_key'])
filename = save_file(f"{values['output_decrypt_dir']}/{filename}", decrypted)
try:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'. Contents:\n\n{decrypted.decode('utf-8')}")
except Exception:
window['decrypted_message'].update(f"Saved decrypted data to file '{filename}'.")
window['decrypt_message'].update("Successfully decrypted file", text_color='green')
else:
window['decrypted_message'].update('')
window['decrypt_message'].update("Unable to decrypt file\nUnknown file", text_color='red')
except Exception as exception:
window['decrypted_message'].update('')
window['decrypt_message'].update(f"Unable to decrypt file\n{exception}", text_color='red')
if values['text_radio']:
window['message'].update(disabled=False)
window['message'].Widget.config(bg='#4D4D4D')
window['file'].update(disabled=True)
window['file_browse'].update(disabled=True)
elif values['file_radio']:
window['message'].update(disabled=True)
window['message'].Widget.config(bg='#000000')
window['file'].update(disabled=False)
window['file_browse'].update(disabled=False)
if values['no_encryption_radio']:
window['image_checkbox'].update(True, disabled=True)
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
window['public_key'].update(disabled=True)
window['public_key_browse'].update(disabled=True)
elif not values['no_encryption_radio']:
window['image_checkbox'].update(disabled=False)
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
window['public_key'].update(disabled=False)
window['public_key_browse'].update(disabled=False)
if values['image_checkbox']:
window['image_file'].update(disabled=False)
window['image_file_browse'].update(disabled=False)
elif not values['image_checkbox'] and not values['no_encryption_radio']:
window['image_file'].update(disabled=True)
window['image_file_browse'].update(disabled=True)
window.close()