jnovel_downloader.py

import requests

BASE_URL = "https://api.j-novel.club/api"


class Novel(object):

    def __init__(self, id_):
        self.id = id_

    @property
    def id(self):
        return self._id


class User(object):

    def __init__(self, email, password):

        self._session = requests.Session()
        self._session.headers.update({"User-Agent": "OwO"})

        self.login(email, password)

    @property
    def user_id(self):
        return self._user_id

    @user_id.setter
    def user_id(self, new):
        if type(new) == str:
            self._user_id = new

    @property
    def access_token(self):
        return self._access_token

    @access_token.setter
    def access_token(self, new):
        if type(new) == str:
            self._access_token = new

    def get_books(self):
        req = self._session.get(f"{BASE_URL}/users/{self.user_id}?filter={{%22include%22:%22ownedBooks%22}}",
                                headers={"Authorization": self.access_token})

        books = []

        for book in req.json()["ownedBooks"]:
            books.append(Novel(book["id"]))

        return books

    def download_epub(self, novel: Novel):
        book_id = getattr(novel, "id")

        req = self._session.get(f"{BASE_URL}/volumes/{book_id}/getpremiumebook",
                                params={"userId": self.user_id,
                                        "userName": "Recchan",
                                        "access_token": self.access_token})

        with open("novel.epub", "wb") as file:
            file.write(req.content)

        return True

    def login(self, email, password):
        req = self._session.post(f"{BASE_URL}/users/login",
                                 params={"include": "user"},
                                 data={"email": email, "password": password})

        if req.status_code == 200:
            self.user_id = req.json()["user"]["id"]
            self.access_token = req.json()["id"]

            return "Logged in successfully"

        raise RuntimeError("Failed to login")