Files
users/src/application/commands/set_encrypted_mnemonic_complete.py

69 lines
2.8 KiB
Python

from src.application.abstractions import IUnitOfWork
from src.application.contracts import IHashService, ILogger, ICache
from src.application.domain.entities import UserEntity
from src.application.domain.exceptions import BadRequestException, ConflictException
from src.infrastructure.database.decorators import transactional
class SetEncryptedMnemonicCompleteCommand:
def __init__(
self,
unit_of_work: IUnitOfWork,
hash_service: IHashService,
cache: ICache,
logger: ILogger,
):
self._unit_of_work = unit_of_work
self._hash_service = hash_service
self._cache = cache
self._logger = logger
@transactional
async def __call__(self, *, user_id: str, code: str, encrypted_mnemonic: str) -> UserEntity:
code = (code or '').strip()
USER_PREFIX = 'encrypted_mnemonic:user:'
CODE_PREFIX = 'encrypted_mnemonic:code:'
user_key = f'{USER_PREFIX}{user_id}'
code_key = f'{CODE_PREFIX}{code}'
user = await self._unit_of_work.user_repository.get_user_by_id(user_id=user_id)
if user.encrypted_mnemonic is not None:
self._logger.info(f'Encrypted mnemonic already set for user_id={user_id}')
raise ConflictException(message='Encrypted mnemonic already set and cannot be changed')
cached_user_id = await self._cache.get(code_key)
if not cached_user_id:
self._logger.info(f'Encrypted mnemonic set failed: code not found (user_id={user_id})')
raise BadRequestException(message='Invalid or expired code')
if cached_user_id != user_id:
self._logger.info(f'Encrypted mnemonic set failed: code-user mismatch (user_id={user_id})')
raise BadRequestException(message='Invalid or expired code')
code_hash = await self._cache.get(user_key)
if not code_hash:
self._logger.info(f'Encrypted mnemonic set failed: user key missing (user_id={user_id})')
raise BadRequestException(message='Invalid or expired code')
ok = await self._hash_service.verify(hashed_value=code_hash, plain_value=code)
if not ok:
self._logger.info(f'Encrypted mnemonic set failed: code hash mismatch (user_id={user_id})')
raise BadRequestException(message='Invalid or expired code')
user = await self._unit_of_work.user_repository.set_encrypted_mnemonic(
user_id=user_id,
encrypted_mnemonic=encrypted_mnemonic,
)
await self._cache.set_user(user_id, user)
try:
await self._cache.delete(code_key)
await self._cache.delete(user_key)
except Exception as e:
self._logger.warning(f'Encrypted mnemonic set cleanup failed (user_id={user_id}): {e}')
self._logger.info(f'Encrypted mnemonic set for user_id={user_id}')
return user