chat_back/app/users/router.py

import json

from cryptography.fernet import Fernet
from fastapi import APIRouter, Response, Depends, status
from fastapi.responses import RedirectResponse

from app.config import settings
from app.exceptions import UsernameAlreadyInUseException, \
    IncorrectPasswordException, PasswordsMismatchException, WrongCodeException, UserNotFoundException, \
    SomethingWentWrongException, UserAlreadyExistsException
from app.users.auth import get_password_hash, \
	create_access_token, verify_password, VERIFICATED_USER, \
	AuthService
from app.users.dao import UserDAO, UserCodesDAO
from app.users.dependencies import get_current_user, check_verificated_user_with_exc
from app.users.models import Users
from app.users.schemas import SUserLogin, SUserRegister, SUserResponse, SUserPassword, SUserRename, SUserAvatar, \
    SUserPasswordRecover, SUserCode, SUserPasswordChange, SRecoverEmailSent, SUserToken, SEmailVerification, SUserName, \
    SNewAvatar, SConfirmPasswordRecovery, SPasswordRecovered, SUserAvatars, SUsername, SEmail
from app.tasks.tasks import send_registration_confirmation_email, send_password_change_email, \
    send_password_recover_email

router = APIRouter(
    prefix="/users",
    tags=["Пользователи"]
)


@router.get("/teleport", response_class=RedirectResponse, status_code=status.HTTP_307_TEMPORARY_REDIRECT)
async def get_teleport():
    return RedirectResponse(url="https://www.youtube.com/watch?v=dQw4w9WgXcQ")


@router.get("", response_model=list[SUserResponse])
async def get_all_users():
    users = await UserDAO.find_all()
    return users


@router.post("/check_existing_username", status_code=status.HTTP_200_OK)
async def check_existing_username(username: SUsername):
    user = await UserDAO.find_one_or_none(username=username.username)
    if user:
        raise UserAlreadyExistsException


@router.post("/check_existing_email", status_code=status.HTTP_200_OK)
async def check_existing_email(email: SEmail):
    user = await UserDAO.find_one_or_none(email=email.email)
    if user:
        raise UserAlreadyExistsException


@router.post("/register", response_model=SUserToken, status_code=status.HTTP_201_CREATED)
async def register_user(response: Response, user_data: SUserRegister):
    if user_data.password != user_data.password2:
        raise PasswordsMismatchException
    await AuthService.check_existing_user(user_data)

    hashed_password = get_password_hash(user_data.password)
    user_id = await UserDAO.add(
        email=user_data.email,
        hashed_password=hashed_password,
        username=user_data.username,
        date_of_birth=user_data.date_of_birth,
    )

    result = send_registration_confirmation_email.delay(
        user_id=user_id, username=user_data.username, email_to=user_data.email, MODE=settings.MODE
    )
    result = result.get()

    if await UserCodesDAO.set_user_codes(
            user_id=user_id, code=result, description="Код подтверждения почты"
    ) == result:
        user = await AuthService.authenticate_user_by_email(user_data.email, user_data.password)
        access_token = create_access_token({"sub": str(user.id)})
        response.set_cookie(key="black_phoenix_access_token", value=access_token, httponly=True, secure=True)
        return {"access_token": access_token}


@router.get('/email_verification/{user_code}', status_code=status.HTTP_200_OK, response_model=SEmailVerification)
async def email_verification(user_code: str):
    invitation_token = user_code.encode()
    cipher_suite = Fernet(settings.INVITATION_LINK_TOKEN_KEY)
    user_data = cipher_suite.decrypt(invitation_token).decode("utf-8")
    user_data = json.loads(user_data)
    user_codes = await UserCodesDAO.get_user_codes(
        user_id=user_data["user_id"], description="Код подтверждения почты", code=user_data["confirmation_code"]
    )
    if not user_codes or not await UserDAO.change_data(user_id=user_data["user_id"], role=VERIFICATED_USER):
        raise WrongCodeException
    return {'email_verification': True}


@router.post("/login", response_model=SUserToken)
async def login_user(response: Response, user_data: SUserLogin):
    user = await AuthService.authenticate_user(user_data.email_or_username, user_data.password)
    access_token = create_access_token({"sub": str(user.id)})
    response.set_cookie("black_phoenix_access_token", access_token, httponly=True)
    return {"access_token": access_token}


@router.post("/logout", status_code=status.HTTP_200_OK)
async def logout_user(response: Response):
    response.delete_cookie("black_phoenix_access_token")


@router.get("/me", response_model=SUserResponse)
async def read_users_me(current_user: Users = Depends(get_current_user)):
    return current_user


@router.patch("/rename", response_model=SUserName)
async def rename_user(new_username: SUserRename, current_user: Users = Depends(check_verificated_user_with_exc)):
    if not verify_password(new_username.password, current_user.hashed_password):
        raise IncorrectPasswordException
    existing_user = await UserDAO.find_one_or_none(username=new_username.username)
    if existing_user:
        raise UsernameAlreadyInUseException
    new_username = await UserDAO.change_data(current_user.id, username=new_username.username)
    return {'username': new_username}


@router.patch("/change_avatar", response_model=SNewAvatar)
async def change_avatar(user_data: SUserAvatar, current_user: Users = Depends(check_verificated_user_with_exc)):
    if not verify_password(user_data.password, current_user.hashed_password):
        raise IncorrectPasswordException
    if await UserDAO.change_data(
            current_user.id, avatar_image=user_data.new_avatar_image, avatar_hex=user_data.avatar_hex
    ) and await UserDAO.add_user_avatar(user_id=current_user.id, avatar=user_data.new_avatar_image):
        return {'new_avatar_image': user_data.new_avatar_image, 'avatar_hex': user_data.avatar_hex}
    raise SomethingWentWrongException


@router.patch("/change_password", status_code=status.HTTP_200_OK)
async def change_password(new_password: SUserPassword, current_user: Users = Depends(check_verificated_user_with_exc)):
    if new_password.new_password != new_password.new_password2:
        raise PasswordsMismatchException
    existing_user = await UserDAO.find_one_or_none(id=current_user.id)
    if not verify_password(new_password.current_password, existing_user.hashed_password):
        raise IncorrectPasswordException
    hashed_password = get_password_hash(new_password.new_password)
    await UserDAO.change_data(current_user.id, hashed_password=hashed_password)
    send_password_change_email.delay(current_user.username, current_user.email, MODE=settings.MODE)


@router.patch("/send_recovery_email", status_code=status.HTTP_200_OK, response_model=SRecoverEmailSent)
async def send_recovery_email(email: SUserPasswordRecover):
    existing_user = await UserDAO.find_one_or_none(email=email.email)
    if not existing_user:
        raise UserNotFoundException
    result = send_password_recover_email.delay(existing_user.username, existing_user.email, MODE=settings.MODE)
    result = result.get()

    if await UserCodesDAO.set_user_codes(
            user_id=existing_user.user_id, code=result, description="Код восстановления пароля"
    ) == result:
        return {'recover_email_sent': True}
    raise SomethingWentWrongException


@router.post("/confirm_password_recovery", status_code=status.HTTP_200_OK, response_model=SConfirmPasswordRecovery)
async def confirm_password_recovery(user_code: SUserCode):
    user_codes = await UserCodesDAO.get_user_codes(
        description="Код восстановления пароля", code=user_code.user_code
    )
    if not user_codes:
        raise WrongCodeException
    return {'user_id': user_codes[0]['user_id']}


@router.post("/password_recovery", status_code=status.HTTP_200_OK, response_model=SPasswordRecovered)
async def password_recovery(passwords: SUserPasswordChange):
    if passwords.password1 != passwords.password2:
        raise PasswordsMismatchException
    hashed_password = get_password_hash(passwords.password1)
    username = await UserDAO.change_data(passwords.user_id, hashed_password=hashed_password)
    user = await UserDAO.find_one_or_none(username=username, id=passwords.user_id)
    if not user:
        raise UserNotFoundException
    send_password_change_email.delay(user.username, user.email, MODE=settings.MODE)
    return {"username": username}


@router.get("/avatars", response_model=list[SUserAvatars])
async def get_user_avatars_history(user: Users = Depends(get_current_user)):
    return await UserDAO.get_user_avatars(user_id=user.id)


@router.delete("/avatars", response_model=bool)
async def delete_form_user_avatars_history(avatar_id: int, user: Users = Depends(get_current_user)):
    return await UserDAO.delete_user_avatar(avatar_id=avatar_id, user_id=user.id)