src/__init__.py

@@ -7,7 +7,7 @@ from . import (
     account_checks,
     account_parsing,
     bot,
-    db,
+    database,
     decrypted_account,
     encryption,
     generate_password,
@@ -19,19 +19,19 @@ __all__ = [
     "bot",
     "decrypted_account",
     "encryption",
-    "db",
+    "database",
     "generate_password",
 ]
 
 
 def main() -> None:
     load_dotenv("./.env")
-    engine = db.prepare.get_engine(
+    engine = database.prepare.get_engine(
         host=os.getenv("DB_HOST"),
         user=os.getenv("DB_USER"),
         passwd=os.getenv("DB_PASS"),
         db=os.getenv("DB_NAME"),
     )
-    db.prepare.prepare(engine)
+    database.prepare.prepare(engine)
     bot_ = bot.create_bot(os.getenv("TG_TOKEN"), engine)
     asyncio.run(bot_.infinity_polling())

src/bot/helper_functions.py

@@ -86,3 +86,10 @@ async def send_deleteable_message(
         parse_mode="MarkdownV2",
         reply_markup=markup,
     )
+
+
+def escape(text: str) -> str:
+    escaped_chars = "*_~|`[("
+    for char in escaped_chars:
+        text = text.replace(char, rf"\\{char}")
+    return text

src/bot/message_handlers.py

@@ -1,13 +1,11 @@
-import asyncio
 import functools
 import gc
-from concurrent.futures import ProcessPoolExecutor
 
 import telebot
 from sqlalchemy.future import Engine
 from telebot.async_telebot import AsyncTeleBot
 
-from .. import db, encryption, generate_password
+from .. import database, encryption, generate_password
 from ..account_checks import (
     check_account,
     check_account_name,
@@ -20,6 +18,7 @@ from . import markups
 from .helper_functions import (
     base_handler,
     delete_message,
+    escape,
     get_state,
     register_state,
     send_deleteable_message,
@@ -35,7 +34,7 @@ async def get_accounts(
     mes: Message,
 ) -> None:
     await base_handler(bot, mes)
-    accounts = db.get.get_account_names(
+    accounts = database.get.get_accounts(
         engine,
         mes.from_user.id,
         to_sort=True,
@@ -72,8 +71,8 @@ async def _delete_all2(
     await base_handler(bot, mes, prev_mes)
     text = mes.text.strip()
     if text == "YES":
-        db.delete.purge_accounts(engine, mes.from_user.id)
-        db.delete.delete_master_pass(engine, mes.from_user.id)
+        database.delete.purge_accounts(engine, mes.from_user.id)
+        database.delete.delete_master_pass(engine, mes.from_user.id)
         await send_tmp_message(
             bot,
             mes.chat.id,
@@ -94,7 +93,7 @@ async def set_master_password(
     mes: Message,
 ) -> None:
     await base_handler(bot, mes, None)
-    if db.get.get_master_pass(engine, mes.from_user.id) is not None:
+    if database.get.get_master_pass(engine, mes.from_user.id) is not None:
         return await send_tmp_message(
             bot,
             mes.chat.id,
@@ -119,7 +118,7 @@ async def _set_master_pass2(
         mes.from_user.id,
         text,
     )
-    db.add.add_master_pass(engine, master_password)
+    database.add.add_master_pass(engine, master_password)
 
     await send_tmp_message(bot, mes.chat.id, "Успех")
     del mes, text
@@ -133,7 +132,7 @@ async def reset_master_pass(
 ) -> None:
     await base_handler(bot, mes)
 
-    if db.get.get_master_pass(engine, mes.from_user.id) is None:
+    if database.get.get_master_pass(engine, mes.from_user.id) is None:
         return await send_tmp_message(
             bot,
             mes.chat.id,
@@ -164,8 +163,8 @@ async def _reset_master_pass2(
         mes.from_user.id,
         text,
     )
-    db.delete.purge_accounts(engine, mes.from_user.id)
-    db.change.change_master_pass(engine, master_password)
+    database.delete.purge_accounts(engine, mes.from_user.id)
+    database.change.change_master_pass(engine, master_password)
 
     await send_tmp_message(
         bot, mes.chat.id, "Все ваши аккаунты удалены, а мастер пароль изменён"
@@ -177,7 +176,7 @@ async def _reset_master_pass2(
 async def add_account(bot: AsyncTeleBot, engine: Engine, mes: Message) -> None:
     await base_handler(bot, mes)
 
-    master_password_from_db = db.get.get_master_pass(
+    master_password_from_db = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -209,7 +208,7 @@ async def _add_account2(
             mes.chat.id,
             "Не корректное название аккаунта",
         )
-    if text in db.get.get_account_names(engine, mes.from_user.id):
+    if text in database.get.get_accounts(engine, mes.from_user.id):
         return await send_tmp_message(
             bot, mes.chat.id, "Аккаунт с таким именем уже существует"
         )
@@ -290,7 +289,7 @@ async def _add_account5(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    master_password = db.get.get_master_pass(engine, mes.from_user.id)
+    master_password = database.get.get_master_pass(engine, mes.from_user.id)
     if not encryption.master_pass.check_master_pass(text, master_password):
         return await send_tmp_message(
             bot,
@@ -306,9 +305,12 @@ async def _add_account5(
         password=data["passwd"],
     )
 
-    encrypted_account = encryption.accounts.encrypt(account, text)
+    encrypted_account = encryption.other_accounts.encrypt(
+        account,
+        text,
+    )
 
-    result = db.add.add_account(
+    result = database.add.add_account(
         engine,
         encrypted_account,
     )
@@ -327,11 +329,11 @@ async def _add_account5(
 async def get_account(bot: AsyncTeleBot, engine: Engine, mes: Message) -> None:
     await base_handler(bot, mes)
 
-    master_pass = db.get.get_master_pass(engine, mes.from_user.id)
+    master_pass = database.get.get_master_pass(engine, mes.from_user.id)
     if master_pass is None:
         return await send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
 
-    accounts = db.get.get_account_names(
+    accounts = database.get.get_accounts(
         engine,
         mes.from_user.id,
         to_sort=True,
@@ -354,7 +356,7 @@ async def _get_account2(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    if text not in db.get.get_account_names(engine, mes.from_user.id):
+    if text not in database.get.get_accounts(engine, mes.from_user.id):
         return await send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
 
     bot_mes = await bot.send_message(mes.chat.id, "Отправьте мастер пароль")
@@ -376,7 +378,7 @@ async def _get_account3(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    master_password = db.get.get_master_pass(
+    master_password = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -388,14 +390,17 @@ async def _get_account3(
             "Не подходит мастер пароль",
         )
 
-    account = db.get.get_account_info(engine, mes.from_user.id, name)
-    account = encryption.accounts.decrypt(account, text)
+    account = database.get.get_account_info(engine, mes.from_user.id, name)
+    account = encryption.other_accounts.decrypt(
+        account,
+        text,
+    )
     await send_deleteable_message(
         bot,
         mes.chat.id,
-        f"Название:\n`{account.name}`\n"
+        f"Название:\n{escape(account.name)}\n"
         f"Логин:\n`{account.login}`\nПароль:\n`{account.password}`\nНажмите "
-        "на название, логин или пароль, чтобы скопировать",
+        "на логин или пароль, чтобы скопировать",
     )
 
     del text, mes
@@ -409,11 +414,11 @@ async def delete_account(
 ) -> None:
     await base_handler(bot, mes)
 
-    master_pass = db.get.get_master_pass(engine, mes.from_user.id)
+    master_pass = database.get.get_master_pass(engine, mes.from_user.id)
     if master_pass is None:
         return await send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
 
-    accounts = db.get.get_account_names(
+    accounts = database.get.get_accounts(
         engine,
         mes.from_user.id,
         to_sort=True,
@@ -442,7 +447,7 @@ async def _delete_account2(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    if text not in db.get.get_account_names(engine, mes.from_user.id):
+    if text not in database.get.get_accounts(engine, mes.from_user.id):
         return await send_tmp_message(bot, mes.chat.id, "Нет такого аккаунта")
 
     bot_mes = await bot.send_message(
@@ -469,7 +474,7 @@ async def _delete_account3(
     if text != "YES":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    db.delete.delete_account(engine, mes.from_user.id, account_name)
+    database.delete.delete_account(engine, mes.from_user.id, account_name)
     await send_tmp_message(bot, mes.chat.id, "Аккаунт удалён")
 
 
@@ -493,7 +498,7 @@ async def help_command(bot: AsyncTeleBot, mes: Message) -> None:
 
 async def export(bot: AsyncTeleBot, engine: Engine, mes: Message) -> None:
     await base_handler(bot, mes)
-    master_password_from_db = db.get.get_master_pass(
+    master_password_from_db = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -501,7 +506,7 @@ async def export(bot: AsyncTeleBot, engine: Engine, mes: Message) -> None:
     if master_password_from_db is None:
         return await send_tmp_message(bot, mes.chat.id, "Нет мастер пароля")
 
-    if not db.get.get_account_names(engine, mes.from_user.id):
+    if not database.get.get_accounts(engine, mes.from_user.id):
         return await send_tmp_message(bot, mes.chat.id, "Нет аккаунтов")
 
     bot_mes = await bot.send_message(mes.chat.id, "Отправьте мастер пароль")
@@ -517,7 +522,7 @@ async def _export2(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    master_password = db.get.get_master_pass(
+    master_password = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -528,19 +533,8 @@ async def _export2(
             "Не подходит мастер пароль",
         )
 
-    accounts = db.get.get_accounts(engine, mes.from_user.id)
-    with ProcessPoolExecutor() as pool:
-        loop = asyncio.get_running_loop()
-        tasks = []
-        for account in accounts:
-            function = functools.partial(
-                encryption.accounts.decrypt,
-                account,
-                text,
-            )
-            tasks.append(loop.run_in_executor(pool, function))
-        accounts = await asyncio.gather(*tasks)
-        accounts.sort(key=lambda account: account.name)
+    accounts = database.get.get_all_accounts(engine, mes.from_user.id)
+    accounts = encryption.other_accounts.decrypt_multiple(accounts, text)
     json_io = accounts_to_json(accounts)
     await bot.send_document(
         mes.chat.id,
@@ -558,7 +552,7 @@ async def import_accounts(
     mes: Message,
 ) -> None:
     await base_handler(bot, mes)
-    master_password_from_db = db.get.get_master_pass(
+    master_password_from_db = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -626,7 +620,7 @@ async def _import3(
     if text == "/cancel":
         return await send_tmp_message(bot, mes.chat.id, "Успешная отмена")
 
-    master_password = db.get.get_master_pass(
+    master_password = database.get.get_master_pass(
         engine,
         mes.from_user.id,
     )
@@ -644,8 +638,11 @@ async def _import3(
         if not check_account(account):
             failed.append(account.name)
             continue
-        account = encryption.accounts.encrypt(account, text)
-        result = db.add.add_account(engine, account)
+        account = encryption.other_accounts.encrypt(
+            account,
+            text,
+        )
+        result = database.add.add_account(engine, account)
         if not result:
             failed.append(account.name)
 

src/database/get.py

@@ -17,7 +17,7 @@ def get_master_pass(
     return result
 
 
-def get_account_names(
+def get_accounts(
     engine: Engine,
     user_id: int,
     *,
@@ -34,11 +34,15 @@ def get_account_names(
     return result
 
 
-def get_accounts(engine: Engine, user_id: int) -> list[models.Account]:
+def get_all_accounts(engine: Engine, user_id: int) -> list[models.Account]:
     """Returns a list of accounts of a user"""
-    statement = sqlmodel.select(models.Account).where(
+    statement = (
+        sqlmodel.select(models.Account)
+        .where(
             models.Account.user_id == user_id,
         )
+        .order_by(models.Account.name)
+    )
     with sqlmodel.Session(engine) as session:
         result = session.exec(statement).fetchall()
     return result

src/encryption/__init__.py

@@ -1,3 +1,3 @@
-from . import accounts, master_pass
+from . import master_pass, other_accounts
 
-__all__ = ["master_pass", "accounts"]
+__all__ = ["master_pass", "other_accounts"]

src/encryption/master_pass.py

@@ -3,7 +3,7 @@ import os
 from cryptography.exceptions import InvalidKey
 from cryptography.hazmat.primitives.kdf.scrypt import Scrypt
 
-from ..db.models import MasterPass
+from ..database.models import MasterPass
 
 MEMORY_USAGE = 2**14
 

src/encryption/other_accounts.py

@@ -1,12 +1,13 @@
 import base64
 import os
+from typing import Iterable, Iterator
 
 from cryptography.fernet import Fernet
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives import hashes
 from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
 
-from ..db.models import Account
+from ..database.models import Account
 from ..decrypted_account import DecryptedAccount
 
 
@@ -70,3 +71,12 @@ def decrypt(
         login=login,
         password=password,
     )
+
+
+def decrypt_multiple(
+    accounts: Iterable[Account], master_pass: str
+) -> Iterator[DecryptedAccount]:
+    """Decrypts an iterable of accounts using master_pass and
+    returns an Iterator of decrypted accounts"""
+    for account in accounts:
+        yield decrypt(account, master_pass)