Added NextorySource

README.md

@@ -13,6 +13,7 @@ audiobook-dl currently supports downloading from the following sources:
 - [Chirp](https://www.chirpbooks.com/)
 - [eReolen (Danish Library)](https://ereolen.dk)
 - [Librivox](https://librivox.org)
+- [Nextory](https://nextory.com)
 - [Overdrive (Library service)](https://www.overdrive.com/)
 - [Scribd](https://scribd.com)
 - [Storytel](https://www.storytel.com/)

audiobookdl/sources/__init__.py

@@ -5,6 +5,7 @@
 from .chirp import ChirpSource
 from .ereolen import EreolenSource
 from .librivox import LibrivoxSource
+from .nextory import NextorySource
 from .overdrive import OverdriveSource
 from .scribd import ScribdSource
 from .storytel import StorytelSource
@@ -31,6 +32,7 @@ def get_source_classes():
         ChirpSource,
         EreolenSource,
         LibrivoxSource,
+        NextorySource,
         OverdriveSource,
         ScribdSource,
         StorytelSource,

audiobookdl/sources/nextory.py

@@ -0,0 +1,135 @@
+from .source import Source
+from audiobookdl import AudiobookFile
+from typing import Any
+import hashlib
+import uuid
+import platform
+
+
+def calculate_checksum(username: str, password: str, salt: str) -> str:
+    return get_checksum(username + salt + password)
+
+
+def calculate_password_checksum(password: str, salt: str) -> str:
+    return get_checksum(password + salt)
+
+
+def get_checksum(s: str) -> str:
+    return hashlib.md5(s.encode()).digest().hex().zfill(32).upper()
+
+
+def get_device_id() -> str:
+    return str(uuid.uuid3(uuid.NAMESPACE_DNS, "audiobook-dl"))
+
+
+class NextorySource(Source):
+    match = [
+        r"https?://(www.)?nextory.+",
+    ]
+    names = [ "Nextory" ]
+    _authentication_methods = [
+        "login",
+    ]
+
+    user_data: dict
+    book_info: dict
+
+    def get_salt(self) -> str:
+        url = "https://api.nextory.se/api/app/catalogue/7.5/salt"
+        resp = self._session.get(url)
+        if resp.status_code != 200:
+            raise RuntimeError("Couldn't get salt from nextory.")
+        return resp.json()["data"]["salt"]
+
+    def _login(self, username: str, password: str):
+        # Step one
+        login_url = "https://api.nextory.se/api/app/user/7.5/login"
+        headers = {
+            "appid": "200",
+            "model": "Personal Computer",
+            "locale": "en_GB",
+            "deviceid": get_device_id(),
+            "osinfo": platform.platform(),
+            "version": "4.34.6",
+            #"user-agent": "okhttp/4.9.3",
+        }
+
+        self._session.headers = headers
+        salt = self.get_salt()
+        files = {
+            "username": (None, username),
+            "password": (None, password),
+            "checksum": (None, calculate_checksum(username, password, salt)),
+        }
+        resp = self._session.post(login_url, files=files)
+        if resp.status_code != 200:
+            raise PermissionError("Error in NextorySource login step one")
+
+        login_info = resp.json()
+        self._session.headers.update({'token': login_info["data"]["token"]})
+
+        # Step two
+        resp = self._session.get("https://api.nextory.se/api/app/user/7.5/accounts/list")
+        if resp.status_code != 200:
+            raise PermissionError("Error in NextorySource login step two")
+        account_list = resp.json()
+
+        # Step three
+        params = {
+            "loginkey": account_list["data"]["accounts"][0]["loginkey"],
+            "checksum": calculate_password_checksum(account_list["data"]["accounts"][0]["loginkey"], salt)
+        }
+
+        resp = self._session.get(login_url, params=params)
+        if resp.status_code != 200:
+            raise PermissionError("Error in NextorySource login step three")
+
+        account_info = resp.json()
+        self._session.headers.update({'token': account_info["data"]["token"]})
+        self._session.headers.update({'canary': account_info["data"]["canary"]})
+
+        # Step four
+        resp = self._session.get("https://api.nextory.se/api/app/library/7.5/active")
+        if resp.status_code != 200:
+            raise PermissionError("Error in NextorySource login step four")
+
+        active = resp.json()
+
+        self.user_data = {
+            "login_info": login_info,
+            "account_list": account_list,
+            "account_info": account_info,
+            "active": active,
+        }
+        self._session.headers.update({'apiver': "7.5"})
+
+    def get_title(self) -> str:
+        return self.book_info["title"]
+
+    def get_files(self) -> list[AudiobookFile]:
+        return [AudiobookFile(url=self.book_info["file"]["url"], headers=self._session.headers, ext="mp3")]
+
+    def get_metadata(self) -> dict[str,Any]:
+        try:
+            book_info = self._session.get("https://api.nextory.se/api/app/product/7.5/bookinfo",
+                                         params={"id": self.book_info["id"]}).json()
+            metadata = {"authors": [a for a in self.book_info["authors"]],
+                        "narrators": [n for n in book_info["data"]["books"]["narrators"]]}
+            return metadata
+        except:
+            return {}
+
+    def get_chapters(self) -> list[tuple[int, str]] | None:
+        # Nextory has no chapters...?
+        return None
+
+    def get_cover(self) -> bytes | None:
+        return self.get(self.book_info["imgurl"].replace("{$width}", "640"))
+
+    def before(self):
+        wanted_id = self.url.split("-")[-1].replace("/", "")
+        for book in self.user_data["active"]["data"]["books"]:
+            if str(book["id"]) == wanted_id:
+                self.book_info = book
+                return
+        raise PermissionError(f"Book with id {wanted_id} was not found in My Library.")

supported_sites.md

@@ -1,13 +1,14 @@
 # Supported Sites
 
-| Site             | Cookies | Username/Password | Notes                              |
-|:-----------------|:-------:|:-----------------:|:-----------------------------------|
-| audiobooks.com   |    ✓    |         ✗         |                                    |
-| Chapter          |    ✗    |         ✓         |                                    |
-| Chirp            |    ✓    |         ✗         |                                    |
-| eReolen          |    ✓    |         ✓         | Requires library for login         |
-| Librivox         |    ✗    |         ✗         | Authentication not required        |
-| Overdrive        |    ✓    |         ✗         |                                    |
-| Scribd           |    ✓    |         ✗         |                                    |
-| Storytel         |    ✗    |         ✓         | Books have to be on your bookshelf |
-| YourCloudLibrary |    ✓    |         ✓         |                                    |
+| Site             | Cookies | Username/Password | Notes                                                                      |
+|:-----------------|:-------:|:-----------------:|:---------------------------------------------------------------------------|
+| audiobooks.com   |    ✓    |         ✗         |                                                                            |
+| Chapter          |    ✗    |         ✓         |                                                                            |
+| Chirp            |    ✓    |         ✗         |                                                                            |
+| eReolen          |    ✓    |         ✓         | Requires library for login                                                 |
+| Librivox         |    ✗    |         ✗         | Authentication not required                                                |
+| Nextory          |    ✗    |         ✓         | Books must be in "Your Library" <br/>Only single (first) account supported |
+| Overdrive        |    ✓    |         ✗         |                                                                            |
+| Scribd           |    ✓    |         ✗         |                                                                            |
+| Storytel         |    ✗    |         ✓         | Books have to be on your bookshelf                                         |
+| YourCloudLibrary |    ✓    |         ✓         |                                                                            |

tests/test_urls.py

@@ -5,6 +5,7 @@
     "https://ereolen.dk/ting/object/870970-basis%3A53978223": "Ereolen",
     "https://www.chirpbooks.com/player/11435746": "Chirp",
     "https://librivox.org/library-of-the-worlds-best-literature-ancient-and-modern-volume-3-by-various/": "Librivox",
+    "https://www.nextory.no/bok/somethingsomethingsomething-99999999/": "Nextory",
     "https://ofs-d2b6150a9dec641552f953da2637d146.listen.overdrive.com/?d=...": "Overdrive",
     "https://www.scribd.com/listen/579426746": "Scribd",
     "https://www.storytel.com/no/nn/books/somethingsomething-9999999": "Storytel",