Moved utils into src directory, moved most of the functions from it into separate files

This commit is contained in:
StNicolay 2022-11-30 16:28:37 +03:00
parent 0463388829
commit e9eaa085a2
8 changed files with 226 additions and 212 deletions

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@ -2,9 +2,23 @@ import os
from dotenv import load_dotenv
from . import bot, cryptography, database
from . import (
account_checks,
account_parsing,
bot,
cryptography,
database,
gen_password,
)
__all__ = ["bot", "cryptography", "database"]
__all__ = [
"account_checks",
"account_parsing",
"bot",
"cryptography",
"database",
"gen_password",
]
def main() -> None:

42
src/account_checks.py Normal file
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@ -0,0 +1,42 @@
import string
FORBIDDEN_CHARS = frozenset("`\n")
PUNCTUATION = frozenset(string.punctuation).difference(FORBIDDEN_CHARS)
def _base_check(val: str, /) -> bool:
"Returns false if finds new lines or backtick (`)"
return not any(i in FORBIDDEN_CHARS for i in val)
def check_account_name(name: str) -> bool:
"Returns true if account name is valid"
return _base_check(name)
def check_login(login: str) -> bool:
"Returns true if login is valid"
return _base_check(login)
def check_password(passwd: str) -> bool:
"Returns true if password is valid"
return _base_check(passwd)
def check_account(name: str, login: str, passwd: str) -> bool:
"""Runs checks for account name, login and password"""
return check_account_name(name) and check_login(login) and check_password(passwd)
def check_gened_password(passwd: str, /) -> bool:
"""Retuns true if generated password is valid,
false otherwise.
Password is valid if there is at least one lowercase character,
uppercase character and one punctuation character"""
return (
any(c.islower() for c in passwd)
and any(c.isupper() for c in passwd)
and any(c.isdigit() for c in passwd)
and any(c in PUNCTUATION for c in passwd)
)

37
src/account_parsing.py Normal file
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@ -0,0 +1,37 @@
import io
from typing import Iterator, Self, Type
import pydantic
class _Account(pydantic.BaseModel):
name: str
login: str
passwd: str
@classmethod
def from_tuple(cls: Type[Self], tuple_: tuple[str, str, str]) -> Self:
return cls(name=tuple_[0], login=tuple_[1], passwd=tuple_[2])
def as_tuple(self: Self) -> tuple[str, str, str]:
return (self.name, self.login, self.passwd)
class _Accounts(pydantic.BaseModel):
accounts: list[_Account] = pydantic.Field(default_factory=list)
def _accounts_list_to_json(accounts: Iterator[tuple[str, str, str]]) -> str:
accounts = _Accounts(accounts=[_Account.from_tuple(i) for i in accounts])
return accounts.json()
def json_to_accounts(json_: str) -> list[tuple[str, str, str]]:
accounts = _Accounts.parse_raw(json_)
return [i.as_tuple() for i in accounts.accounts]
def accounts_to_json(accounts: Iterator[tuple[str, str, str]]) -> io.StringIO:
file = io.StringIO(_accounts_list_to_json(accounts))
file.name = "passwords.json"
return file

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@ -1,9 +1,10 @@
import functools
from sqlalchemy.future import Engine
import telebot
from sqlalchemy.future import Engine
from . import handlers, utils
from .. import utils
from . import handlers
__all__ = ["handlers", "utils"]

View File

@ -6,31 +6,47 @@ import telebot
from sqlalchemy.future import Engine
from .. import cryptography, database
from .utils import (
accounts_to_json,
base_handler,
from ..account_checks import (
check_account,
check_account_name,
check_login,
check_passwd,
gen_passwd,
get_all_accounts,
json_to_accounts,
send_tmp_message,
check_password,
)
from ..account_parsing import accounts_to_json, json_to_accounts
from ..gen_password import gen_password
from ..utils import get_all_accounts
Message = telebot.types.Message
def _send_tmp_message(
bot: telebot.TeleBot,
chat_id: telebot.types.Message,
text: str,
timeout: int = 5,
) -> None:
bot_mes = bot.send_message(chat_id, text, parse_mode="MarkdownV2")
time.sleep(timeout)
bot.delete_message(chat_id, bot_mes.id)
def _base_handler(
bot: telebot.TeleBot, mes: Message, prev_mes: Message | None = None
) -> None:
bot.delete_message(mes.chat.id, mes.id)
if prev_mes is not None:
bot.delete_message(prev_mes.chat.id, prev_mes.id)
def get_accounts(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
accounts = database.get.get_accounts(engine, mes.from_user.id)
if not accounts:
return send_tmp_message(bot, mes.chat.id, "У вас нет аккаунтов")
return _send_tmp_message(bot, mes.chat.id, "У вас нет аккаунтов")
# Make accounts copyable and escape special chars
accounts = [f"`{account}`" for account in accounts]
send_tmp_message(
_send_tmp_message(
bot,
mes.chat.id,
"Ваши аккаунты:\n"
@ -41,7 +57,7 @@ def get_accounts(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def delete_all(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
bot_mes = bot.send_message(
mes.chat.id,
"Вы действительно хотите удалить все ваши аккаунты? Это действие нельзя отменить. "
@ -55,20 +71,20 @@ def delete_all(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _delete_all(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "YES":
database.delete.purge_accounts(engine, mes.from_user.id)
database.delete.delete_master_pass(engine, mes.from_user.id)
send_tmp_message(bot, mes.chat.id, "Всё успешно удалено", timeout=10)
_send_tmp_message(bot, mes.chat.id, "Всё успешно удалено", timeout=10)
else:
send_tmp_message(bot, mes.chat.id, "Вы отправили не YES, ничего не удалено")
_send_tmp_message(bot, mes.chat.id, "Вы отправили не YES, ничего не удалено")
def set_master_password(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes, None)
_base_handler(bot, mes, None)
if database.get.get_master_pass(engine, mes.from_user.id) is not None:
return send_tmp_message(bot, mes.chat.id, "Мастер пароль уже существует")
return _send_tmp_message(bot, mes.chat.id, "Мастер пароль уже существует")
bot_mes = bot.send_message(mes.chat.id, "Отправьте мастер пароль")
bot.register_next_step_handler(
mes, functools.partial(_set_master_pass2, bot, engine, bot_mes)
@ -78,22 +94,22 @@ def set_master_password(bot: telebot.TeleBot, engine: Engine, mes: Message) -> N
def _set_master_pass2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
hash_pass, master_salt = cryptography.master_pass.encrypt_master_pass(text)
database.add.add_master_pass(engine, mes.from_user.id, master_salt, hash_pass)
send_tmp_message(bot, mes.chat.id, "Успех")
_send_tmp_message(bot, mes.chat.id, "Успех")
del mes, text
gc.collect()
def reset_master_pass(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
if database.get.get_master_pass(engine, mes.from_user.id) is None:
return send_tmp_message(bot, mes.chat.id, "Мастер пароль не задан")
return _send_tmp_message(bot, mes.chat.id, "Мастер пароль не задан")
bot_mes = bot.send_message(
mes.chat.id,
"Отправьте новый мастер пароль, осторожно, все текущие аккаунты "
@ -107,15 +123,15 @@ def reset_master_pass(bot: telebot.TeleBot, engine: Engine, mes: Message) -> Non
def _reset_master_pass2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
hash_, salt = cryptography.master_pass.encrypt_master_pass(text)
database.delete.purge_accounts(engine, mes.from_user.id)
database.change.change_master_pass(engine, mes.from_user.id, salt, hash_)
send_tmp_message(
_send_tmp_message(
bot, mes.chat.id, "Все ваши аккаунты удалены, а мастер пароль изменён"
)
del mes, text
@ -123,11 +139,11 @@ def _reset_master_pass2(
def add_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
master_password_from_db = database.get.get_master_pass(engine, mes.from_user.id)
if master_password_from_db is None:
return send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
return _send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
bot_mes = bot.send_message(mes.chat.id, "Отправьте название аккаунта")
@ -139,15 +155,15 @@ def add_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _add_account2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if not check_account_name(text):
return send_tmp_message(bot, mes.chat.id, "Не корректное название аккаунта")
return _send_tmp_message(bot, mes.chat.id, "Не корректное название аккаунта")
if text in database.get.get_accounts(engine, mes.from_user.id):
return send_tmp_message(
return _send_tmp_message(
bot, mes.chat.id, "Аккаунт с таким именем уже существует"
)
@ -166,12 +182,12 @@ def _add_account3(
data: dict[str, str],
mes: Message,
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if not check_login(text):
return send_tmp_message(bot, mes.chat.id, "Не корректный логин")
return _send_tmp_message(bot, mes.chat.id, "Не корректный логин")
data["login"] = text
@ -189,12 +205,12 @@ def _add_account4(
data: dict[str, str],
mes: Message,
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if not check_passwd(text):
return send_tmp_message(bot, mes.chat.id, "Не корректный пароль")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if not check_password(text):
return _send_tmp_message(bot, mes.chat.id, "Не корректный пароль")
data["passwd"] = text
@ -212,14 +228,14 @@ def _add_account5(
data: dict[str, str],
mes: Message,
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
salt, hash_ = database.get.get_master_pass(engine, mes.from_user.id)
if not cryptography.master_pass.check_master_pass(text, hash_, salt):
return send_tmp_message(bot, mes.chat.id, "Не подходит главный пароль")
return _send_tmp_message(bot, mes.chat.id, "Не подходит главный пароль")
name, login, passwd = data["name"], data["login"], data["passwd"]
@ -231,7 +247,7 @@ def _add_account5(
engine, mes.from_user.id, name, salt, enc_login, enc_pass
)
send_tmp_message(
_send_tmp_message(
bot, mes.chat.id, "Успех" if result else "Произошла не предвиденная ошибка"
)
@ -241,12 +257,12 @@ def _add_account5(
def get_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
bot_mes = bot.send_message(mes.chat.id, "Отправьте название аккаунта")
master_pass = database.get.get_master_pass(engine, mes.from_user.id)
if master_pass is None:
return send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
return _send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
bot.register_next_step_handler(
mes, functools.partial(_get_account2, bot, engine, bot_mes)
@ -256,13 +272,13 @@ def get_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _get_account2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if text not in database.get.get_accounts(engine, mes.from_user.id):
return send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
return _send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
bot_mes = bot.send_message(mes.chat.id, "Отправьте мастер пароль")
bot.register_next_step_handler(
@ -273,15 +289,15 @@ def _get_account2(
def _get_account3(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, name: str, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
master_salt, hash_pass = database.get.get_master_pass(engine, mes.from_user.id)
if not cryptography.master_pass.check_master_pass(text, hash_pass, master_salt):
return send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
return _send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
salt, enc_login, enc_pass = database.get.get_account_info(
engine, mes.from_user.id, name
@ -289,7 +305,7 @@ def _get_account3(
login, passwd = cryptography.other_accounts.decrypt_account_info(
enc_login, enc_pass, text, salt
)
send_tmp_message(
_send_tmp_message(
bot,
mes.chat.id,
f"Логин:\n`{login}`\nПароль:\n`{passwd}`\nНажмите на логин или пароль, "
@ -302,11 +318,11 @@ def _get_account3(
def delete_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
master_pass = database.get.get_master_pass(engine, mes.from_user.id)
if master_pass is None:
return send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
return _send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
bot_mes = bot.send_message(
mes.chat.id, "Отправьте название аккаунта, который вы хотите удалить"
@ -320,16 +336,16 @@ def delete_account(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _delete_account2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if text not in database.get.get_accounts(engine, mes.from_user.id):
return send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
return _send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
database.delete.delete_account(engine, mes.from_user.id, text)
send_tmp_message(bot, mes.chat.id, "Аккаунт удалён")
_send_tmp_message(bot, mes.chat.id, "Аккаунт удалён")
def help(bot: telebot.TeleBot, mes: Message) -> None:
@ -351,18 +367,18 @@ def help(bot: telebot.TeleBot, mes: Message) -> None:
def cancel(bot: telebot.TeleBot, mes: Message) -> None:
send_tmp_message(bot, mes.chat.id, "Нет активного действия")
_send_tmp_message(bot, mes.chat.id, "Нет активного действия")
def export(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
master_password_from_db = database.get.get_master_pass(engine, mes.from_user.id)
if master_password_from_db is None:
return send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
return _send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
if not database.get.get_accounts(engine, mes.from_user.id):
return send_tmp_message(bot, mes.chat.id, "Нет аккаунтов")
return _send_tmp_message(bot, mes.chat.id, "Нет аккаунтов")
bot_mes = bot.send_message(mes.chat.id, "Отправьте мастер пароль")
@ -374,14 +390,14 @@ def export(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _export2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
master_salt, hash_pass = database.get.get_master_pass(engine, mes.from_user.id)
if not cryptography.master_pass.check_master_pass(text, hash_pass, master_salt):
return send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
return _send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
accounts = get_all_accounts(engine, mes.from_user.id, text)
json_io = accounts_to_json(accounts)
@ -394,11 +410,11 @@ def _export2(
def import_accounts(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
master_password_from_db = database.get.get_master_pass(engine, mes.from_user.id)
if master_password_from_db is None:
return send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
return _send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
bot_mes = bot.send_message(mes.chat.id, "Отправьте json файл")
@ -410,23 +426,23 @@ def import_accounts(bot: telebot.TeleBot, engine: Engine, mes: Message) -> None:
def _import2(
bot: telebot.TeleBot, engine: Engine, prev_mes: Message, mes: Message
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
if mes.text is not None:
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
if mes.document is None:
return send_tmp_message(bot, mes.chat.id, "Вы должны отправить документ")
return _send_tmp_message(bot, mes.chat.id, "Вы должны отправить документ")
if mes.document.file_size > 102_400: # If file size is bigger that 100 MB
return send_tmp_message(bot, mes.chat.id, "Файл слишком большой")
return _send_tmp_message(bot, mes.chat.id, "Файл слишком большой")
file_info = bot.get_file(mes.document.file_id)
downloaded_file = bot.download_file(file_info.file_path)
try:
accounts = json_to_accounts(downloaded_file.decode("utf-8"))
except Exception:
return send_tmp_message(bot, mes.chat.id, "Ошибка во время работы с файлом")
return _send_tmp_message(bot, mes.chat.id, "Ошибка во время работы с файлом")
bot_mes = bot.send_message(mes.chat.id, "Отправьте мастер пароль")
bot.register_next_step_handler(
@ -441,14 +457,14 @@ def _import3(
accounts: list[tuple[str, str, str]],
mes: Message,
) -> None:
base_handler(bot, mes, prev_mes)
_base_handler(bot, mes, prev_mes)
text = mes.text.strip()
if text == "/cancel":
return send_tmp_message(bot, mes.chat.id, "Успешная отмена")
return _send_tmp_message(bot, mes.chat.id, "Успешная отмена")
master_salt, hash_pass = database.get.get_master_pass(engine, mes.from_user.id)
if not cryptography.master_pass.check_master_pass(text, hash_pass, master_salt):
return send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
return _send_tmp_message(bot, mes.chat.id, "Не подходит мастер пароль")
# List of names of accounts, which failed to be added to the database or failed tests
failed: list[str] = []
@ -470,18 +486,18 @@ def _import3(
mes_text = "Не удалось добавить:\n" + "\n".join(failed)
else:
mes_text = "Успех"
send_tmp_message(bot, mes.chat.id, mes_text, 10)
_send_tmp_message(bot, mes.chat.id, mes_text, 10)
del text, mes, accounts
gc.collect()
def gen_password(bot: telebot.TeleBot, mes: Message) -> None:
base_handler(bot, mes)
_base_handler(bot, mes)
# Generate 10 passwords and put 'em in the backticks
passwords = (f"`{gen_passwd()}`" for _ in range(10))
passwords = (f"`{gen_password()}`" for _ in range(10))
text = (
"Пароли:\n"
+ "\n".join(passwords)
+ "\nНажмите на пароль, чтобы его скопировать"
)
send_tmp_message(bot, mes.chat.id, text, 15)
_send_tmp_message(bot, mes.chat.id, text, 15)

View File

@ -1,130 +0,0 @@
import io
import string
import time
from random import SystemRandom
from typing import Self, Type, Iterator
import pydantic
import telebot
from sqlalchemy.future import Engine
from .. import cryptography, database
FORBIDDEN_CHARS = frozenset("`\n")
PUNCTUATION = frozenset(string.punctuation).difference(FORBIDDEN_CHARS)
PASSWORD_CHARS = tuple(
frozenset(string.ascii_letters + string.digits).difference(FORBIDDEN_CHARS)
| PUNCTUATION
)
Message = telebot.types.Message
class _Account(pydantic.BaseModel):
name: str
login: str
passwd: str
@classmethod
def from_tuple(cls: Type[Self], tuple_: tuple[str, str, str]) -> Self:
return cls(name=tuple_[0], login=tuple_[1], passwd=tuple_[2])
def as_tuple(self: Self) -> tuple[str, str, str]:
return (self.name, self.login, self.passwd)
class _Accounts(pydantic.BaseModel):
accounts: list[_Account] = pydantic.Field(default_factory=list)
def _accounts_list_to_json(accounts: Iterator[tuple[str, str, str]]) -> str:
accounts = _Accounts(accounts=[_Account.from_tuple(i) for i in accounts])
return accounts.json()
def json_to_accounts(json_: str) -> list[tuple[str, str, str]]:
accounts = _Accounts.parse_raw(json_)
return [i.as_tuple() for i in accounts.accounts]
def send_tmp_message(
bot: telebot.TeleBot,
chat_id: telebot.types.Message,
text: str,
timeout: int = 5,
) -> None:
bot_mes = bot.send_message(chat_id, text, parse_mode="MarkdownV2")
time.sleep(timeout)
bot.delete_message(chat_id, bot_mes.id)
def base_handler(
bot: telebot.TeleBot, mes: Message, prev_mes: Message | None = None
) -> None:
bot.delete_message(mes.chat.id, mes.id)
if prev_mes is not None:
bot.delete_message(prev_mes.chat.id, prev_mes.id)
def get_all_accounts(
engine: Engine, user_id: int, master_pass: str
) -> Iterator[tuple[str, str, str]]:
for account in database.get.get_all_accounts(engine, user_id):
name, salt, enc_login, enc_passwd = account
login, passwd = cryptography.other_accounts.decrypt_account_info(
enc_login, enc_passwd, master_pass, salt
)
yield (name, login, passwd)
def accounts_to_json(accounts: Iterator[tuple[str, str, str]]) -> io.StringIO:
file = io.StringIO(_accounts_list_to_json(accounts))
file.name = "passwords.json"
return file
def _base_check(val: str, /) -> bool:
"Returns false if finds new lines or backtick (`)"
return not any(i in FORBIDDEN_CHARS for i in val)
def check_account_name(name: str) -> bool:
"Returns true if account name is valid"
return _base_check(name)
def check_login(login: str) -> bool:
"Returns true if login is valid"
return _base_check(login)
def check_passwd(passwd: str) -> bool:
"Returns true if password is valid"
return _base_check(passwd)
def check_account(name: str, login: str, passwd: str) -> bool:
"""Runs checks for account name, login and password"""
return check_account_name(name) and check_login(login) and check_passwd(passwd)
def _check_gened_password(passwd: str, /) -> bool:
"""Retuns true if generated password is valid,
false otherwise.
Password is valid if there is at least one lowercase character,
uppercase character and one punctuation character"""
return (
any(c.islower() for c in passwd)
and any(c.isupper() for c in passwd)
and any(c.isdigit() for c in passwd)
and any(c in PUNCTUATION for c in passwd)
)
def gen_passwd() -> str:
"""Generates password of length 32"""
choices = SystemRandom().choices
while True:
passwd = "".join(choices(PASSWORD_CHARS, k=32))
if _check_gened_password(passwd):
return passwd

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src/gen_password.py Normal file
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import string
from random import SystemRandom
from .account_checks import FORBIDDEN_CHARS, PUNCTUATION, check_gened_password
PASSWORD_CHARS = tuple(
frozenset(string.ascii_letters + string.digits).difference(FORBIDDEN_CHARS)
| PUNCTUATION
)
def gen_password() -> str:
"""Generates password of length 32"""
choices = SystemRandom().choices
while True:
passwd = "".join(choices(PASSWORD_CHARS, k=32))
if check_gened_password(passwd):
return passwd

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src/utils.py Normal file
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from typing import Iterator
from sqlalchemy.future import Engine
from . import cryptography, database
def get_all_accounts(
engine: Engine, user_id: int, master_pass: str
) -> Iterator[tuple[str, str, str]]:
for account in database.get.get_all_accounts(engine, user_id):
name, salt, enc_login, enc_passwd = account
login, passwd = cryptography.other_accounts.decrypt_account_info(
enc_login, enc_passwd, master_pass, salt
)
yield (name, login, passwd)