Ignore non-project files
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.gitignore
vendored
39
.gitignore
vendored
@ -1,32 +1,9 @@
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# User preferance files
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/rsc*/
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/md5/
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/src/cfg*.py
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# Ignore Everything
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*
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# Virtual environment
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/venv*
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/src/__pycache__/
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/__pycache__/
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# PyCharm IDE folder
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/.idea/
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# Editor files
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/*~
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/*#
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# Automation scripts + odds and ends
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/notes.txt
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/compile.sh
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/upload.sh
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/balance_2.csv
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/DEFAULT.csv
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/generate_random.sh
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/src/make_master_template.py
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/src/make_master_list.py
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/src/hash_path_exists.py
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/utils/
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/cfg_availible/
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/profile/
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/gnu_header.txt
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/backup*
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# Exception
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!/src/create_app.py
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!LICENSE.txt
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!README.md
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!requirements.txt
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!run.sh
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@ -1,217 +0,0 @@
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#! /usr/bin/env python3
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# Yandere Lewd Bot, an image posting bot for Pleroma
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# Copyright (C) 2022 Anon <yanderefedi@proton.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import sys
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import base64
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import os
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import getpass
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from cryptography.fernet import Fernet, InvalidToken
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives import hashes
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from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
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from collections import OrderedDict
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class EncryptionFail(Exception):
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pass
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class PasswordMismatch(Exception):
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pass
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# Return string from bytes
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def salt_encode(b):
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return base64.urlsafe_b64encode(b).decode()
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# Return bytes from string
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def salt_decode(s):
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return base64.urlsafe_b64decode(s.encode())
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# Ordered Dictionaries
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def change_encoding_dict(settings_server, encoding_type):
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return OrderedDict([(k, encoding_type(v)) for k, v in settings_server.items()])
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# Return bytes from string
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def encode_dict(settings_server):
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return change_encoding_dict(settings_server, str.encode)
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# Return string from bytes
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def decode_dict(settings_server):
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return change_encoding_dict(settings_server, bytes.decode)
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# password: Bytes
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# salt: Bytes
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def derive_key(password, salt):
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kdf = PBKDF2HMAC(
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algorithm=hashes.SHA256(),
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length=32,
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salt=salt,
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iterations=100000,
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backend=default_backend()
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)
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return base64.urlsafe_b64encode(kdf.derive(password))
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# Encryption functions
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# message: Bytes
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# key: Bytes
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def encrypt(message, key):
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f = Fernet(key)
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token = f.encrypt(message)
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return token
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# token: Bytes
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# key: Bytes
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def decrypt(token, key):
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f = Fernet(key)
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message = f.decrypt(token)
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return message
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# password: bytes()
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# salt: bytes()
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# settings_server: dict() -> Byte values
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# encryption_function: encrypt(message, key) : decrypt(token, key):
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# Returns settings_server_decrypted dictionary with Byte() values. Will need to use
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# ChangeEncodingDict to make them strings (recommended cfg file friendly)
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def encrypt_settings(settings_server, password, salt, encryption_function):
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key = derive_key(password, salt)
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settings_server_decrypted = OrderedDict()
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for setting in settings_server:
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settings_server_decrypted[setting] = encryption_function(settings_server[setting], key)
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return settings_server_decrypted
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def get_keyfile(keyfile=None):
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if keyfile is not None:
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with open(keyfile, "rb") as f:
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return f.read()
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return None
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def get_pass(q):
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try:
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return getpass.getpass(q).encode()
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except KeyboardInterrupt:
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raise EncryptionFail("\nQuitting...")
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def settings_server_encrypt(settings_server, keyfile=None):
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try:
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settings_server = encode_dict(settings_server)
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salt = os.urandom(16)
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password = get_keyfile(keyfile)
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if password is None:
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password = get_pass("Enter password: ")
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password2 = get_pass("Enter password: ")
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if password != password2:
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raise PasswordMismatch("Passwords do not match")
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encrypted = encrypt_settings(settings_server, password, salt, encrypt)
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return salt_encode(salt), decode_dict(encrypted)
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except PasswordMismatch as e:
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raise EncryptionFail(str(e))
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except Exception as e:
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err = str(e)
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raise EncryptionFail("Encrypt Error: {}".format(err))
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def settings_server_decrypt(settings_server, settings_encrypt, keyfile=None):
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try:
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if not settings_encrypt["encrypt"]:
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return settings_server
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settings_server = encode_dict(settings_server)
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password = get_keyfile(keyfile or settings_encrypt["keyfile"]) or get_pass("Enter password: ")
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salt = salt_decode(settings_encrypt["salt"])
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decrypted = encrypt_settings(settings_server, password, salt, decrypt)
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return decode_dict(decrypted)
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except base64.binascii.Error:
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raise EncryptionFail("Salt is invalid")
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except InvalidToken:
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raise EncryptionFail("Password or token is incorrect")
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except Exception as e:
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err = str(e)
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raise EncryptionFail("Decrypt Error: {}".format(err))
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def main():
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import argparse
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from pprint import pformat
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default_cfg = "cfg"
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parser = argparse.ArgumentParser(
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description="A class to encrypt server credentials",
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epilog="There are no additional parameters.",
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add_help=True )
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parser.add_argument("--encrypt", help="Generate encrypted authentication.", action="store_true")
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parser.add_argument("--decrypt", help="Decrypt encrypted authentication", action="store_true")
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parser.add_argument("--recrypt", help="Recrypt encrypted authentication", action="store_true")
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parser.add_argument("-k", "--keyfile", help="Keyfile used for decryption", default=None)
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parser.add_argument("-c", "--cfg", help="Specify config file.", default=default_cfg)
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arguments = parser.parse_args()
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if arguments.recrypt:
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arguments.encrypt = True
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arguments.decrypt = True
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if arguments.encrypt or arguments.decrypt:
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import importlib
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cfg = importlib.import_module(arguments.cfg)
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settings_server = cfg.settings_server
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settings_encrypt = cfg.settings_encrypt
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keyfile = arguments.keyfile or settings_encrypt["keyfile"]
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if arguments.decrypt and arguments.encrypt:
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print("Re-encrypting")
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if arguments.decrypt: # arguments.decrypt
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print("Decrypt...")
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settings_server = settings_server_decrypt(settings_server, settings_encrypt, arguments.keyfile)
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settings_encrypt = OrderedDict([
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("encrypt", False),
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("salt", settings_encrypt["salt"]),
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("keyfile", arguments.keyfile)
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])
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if arguments.encrypt:
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print("Encrypt...")
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salt, settings_server = settings_server_encrypt(settings_server, keyfile)
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settings_encrypt = OrderedDict([
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("encrypt", True),
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("salt", salt),
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("keyfile", arguments.keyfile)
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])
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print("settings_server = {}".format(pformat(settings_server)))
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print("settings_encrypt = {}".format(pformat(settings_encrypt)))
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return 0
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if __name__ == "__main__":
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try:
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sys.exit(main())
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except EncryptionFail as e:
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print(e)
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sys.exit(1)
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