devine-services/services/TVNZ/__init__.py
2024-09-20 19:57:22 +02:00

305 lines
11 KiB
Python

from __future__ import annotations
import json
from collections.abc import Generator
from datetime import timedelta
from http.cookiejar import MozillaCookieJar
from typing import Any, Optional, Union
from urllib.parse import urljoin, urlparse
import click
from click import Context
from devine.core.credential import Credential
from devine.core.manifests.dash import DASH
from devine.core.search_result import SearchResult
from devine.core.service import Service
from devine.core.titles import Episode, Movie, Movies, Series
from devine.core.tracks import Chapters, Tracks
from lxml import etree
from pywidevine.cdm import Cdm as WidevineCdm
from requests import Request
class TVNZ(Service):
"""
\b
Service code for TVNZ streaming service (https://www.tvnz.co.nz).
\b
Author: stabbedbybrick
Authorization: Credentials
Robustness:
L3: 1080p, AAC2.0
\b
Tips:
- Input can be comlete URL or path:
SHOW: /shows/tulsa-king
EPISODE: /shows/tulsa-king/episodes/s1-e1
MOVIE: /shows/the-revenant
SPORT: /sport/tennis/wta-tour/guadalajara-open-final
"""
GEOFENCE = ("nz",)
@staticmethod
@click.command(name="TVNZ", short_help="https://www.tvnz.co.nz", help=__doc__)
@click.argument("title", type=str)
@click.pass_context
def cli(ctx: Context, **kwargs: Any) -> TVNZ:
return TVNZ(ctx, **kwargs)
def __init__(self, ctx: Context, title: str):
self.title = title
super().__init__(ctx)
self.session.headers.update(self.config["headers"])
def search(self) -> Generator[SearchResult, None, None]:
params = {
"q": self.title.strip(),
"includeTypes": "all",
}
results = self._request("GET", "/api/v1/android/play/search", params=params)["results"]
for result in results:
yield SearchResult(
id_=result["page"].get("url"),
title=result.get("title"),
description=result.get("synopsis"),
label=result.get("type"),
url="https://www.tvnz.co.nz" + result["page"].get("url"),
)
def authenticate(self, cookies: Optional[MozillaCookieJar] = None, credential: Optional[Credential] = None) -> None:
super().authenticate(cookies, credential)
if not credential:
raise EnvironmentError("Service requires Credentials for Authentication.")
cache = self.cache.get(f"tokens_{credential.sha1}")
if cache and not cache.expired:
self.log.info(" + Using cached Tokens...")
tokens = cache.data
else:
self.log.info(" + Logging in...")
payload = {"email": credential.username, "password": credential.password, "keepMeLoggedIn": True}
response = self.session.post(
self.config["endpoints"]["base_api"] + "/api/v1/androidtv/consumer/login", json=payload
)
response.raise_for_status()
if not response.headers.get("aat"):
raise ValueError("Failed to authenticate: " + response.text)
tokens = {
"access_token": response.headers.get("aat"),
"aft_token": response.headers.get("aft"), # ?
}
cache.set(tokens, expiration=response.headers.get("aat_expires_in"))
self.session.headers.update({"Authorization": "Bearer {}".format(tokens["access_token"])})
def get_titles(self) -> Union[Movies, Series]:
try:
path = urlparse(self.title).path
except Exception as e:
raise ValueError("Could not parse ID from title: {}".format(e))
page = self._request("GET", "/api/v4/androidtv/play/page/{}".format(path))
if page["layout"].get("video"):
title = page.get("title", "").replace("Episodes", "")
video = self._request("GET", page["layout"]["video"].get("href"))
episodes = self._episode(video, title)
return Series(episodes)
else:
module = page["layout"]["slots"]["main"]["modules"][0]
label = module.get("label", "")
lists = module.get("lists")
title = page.get("title", "").replace(label, "")
seasons = [x.get("href") for x in lists]
episodes = []
for season in seasons:
data = self._request("GET", season)
episodes.extend([x for x in data["_embedded"].values()])
while data.get("nextPage"):
data = self._request("GET", data["nextPage"])
episodes.extend([x for x in data["_embedded"].values()])
if label in ("Episodes", "Stream"):
episodes = self._show(episodes, title)
return Series(episodes)
elif label in ("Movie", "Movies"):
movie = self._movie(episodes, title)
return Movies(movie)
def get_tracks(self, title: Union[Movie, Episode]) -> Tracks:
metadata = title.data.get("publisherMetadata") or title.data.get("media")
if not metadata:
self.log.error("Unable to find metadata for this episode")
return
source = metadata.get("type") or metadata.get("source")
video_id = metadata.get("brightcoveVideoId") or metadata.get("id")
account_id = metadata.get("brightcoveAccountId") or metadata.get("accountId")
playback = title.data.get("playbackHref", "")
self.drm_token = None
if source != "brightcove":
data = self._request("GET", playback)
self.license = (
data["encryption"]["licenseServers"]["widevine"]
if data["encryption"].get("drmEnabled")
else None
)
self.drm_token = data["encryption"].get("drmToken")
source_manifest = data["streaming"]["dash"].get("url")
else:
data = self._request(
"GET", self.config["endpoints"]["brightcove"].format(account_id, video_id),
headers={"BCOV-POLICY": self.config["policy"]},
)
self.license = next((
x["key_systems"]["com.widevine.alpha"]["license_url"]
for x in data["sources"]
if x.get("key_systems").get("com.widevine.alpha")),
None,
)
source_manifest = next((
x["src"] for x in data["sources"]
if x.get("key_systems").get("com.widevine.alpha")),
None,
)
manifest = self.trim_duration(source_manifest)
tracks = DASH.from_text(manifest, source_manifest).to_tracks(title.language)
for track in tracks.audio:
role = track.data["dash"]["representation"].find("Role")
if role is not None and role.get("value") in ["description", "alternative", "alternate"]:
track.descriptive = True
return tracks
def get_chapters(self, title: Union[Movie, Episode]) -> Chapters:
return Chapters()
def get_widevine_service_certificate(self, **_: Any) -> str:
return WidevineCdm.common_privacy_cert
def get_widevine_license(self, challenge: bytes, **_: Any) -> str:
if not self.license:
return None
headers = {"Authorization": f"Bearer {self.drm_token}"} if self.drm_token else self.session.headers
r = self.session.post(self.license, headers=headers, data=challenge)
r.raise_for_status()
return r.content
# Service specific
def _show(self, episodes: list, title: str) -> Episode:
return [
Episode(
id_=episode.get("videoId"),
service=self.__class__,
title=title,
season=int(episode.get("seasonNumber")) if episode.get("seasonNumber") else 0,
number=int(episode.get("episodeNumber")) if episode.get("episodeNumber") else 0,
name=episode.get("title"),
language="en",
data=episode,
)
for episode in episodes
]
def _movie(self, movies: list, title: str) -> Movie:
return [
Movie(
id_=movie.get("videoId"),
service=self.__class__,
name=title,
year=None,
language="en",
data=movie,
)
for movie in movies
]
def _episode(self, video: dict, title: str) -> Episode:
kind = video.get("type")
name = video.get("title")
if kind == "sportVideo" and video.get("_embedded"):
_type = next((x for x in video["_embedded"].values() if x.get("type") == "competition"), None)
title = _type.get("title") if _type else title
name = video.get("title", "") + " " + video.get("phase", "")
return [
Episode(
id_=video.get("videoId"),
service=self.__class__,
title=title,
season=int(video.get("seasonNumber")) if video.get("seasonNumber") else 0,
number=int(video.get("episodeNumber")) if video.get("episodeNumber") else 0,
name=name,
language="en",
data=video,
)
]
def _request(
self,
method: str,
api: str,
params: dict = None,
headers: dict = None,
payload: dict = None,
) -> Any[dict | str]:
url = urljoin(self.config["endpoints"]["base_api"], api)
if headers:
self.session.headers.update(headers)
prep = self.session.prepare_request(Request(method, url, params=params, json=payload))
response = self.session.send(prep)
try:
data = json.loads(response.content)
if data.get("message"):
raise ConnectionError(f"{response.status_code} - {data.get('message')}")
return data
except Exception as e:
raise ConnectionError("Request failed: {} - {}".format(response.status_code, response.text))
def trim_duration(self, source_manifest: str) -> str:
"""
The last segment on all tracks return a 404 for some reason, causing a failed download.
So we trim the duration by exactly one segment to account for that.
TODO: Calculate the segment duration instead of assuming length.
"""
manifest = DASH.from_url(source_manifest, self.session).manifest
period_duration = manifest.get("mediaPresentationDuration")
period_duration = DASH.pt_to_sec(period_duration)
hours, minutes, seconds = str(timedelta(seconds=period_duration - 6)).split(":")
new_duration = f"PT{hours}H{minutes}M{seconds}S"
manifest.set("mediaPresentationDuration", new_duration)
return etree.tostring(manifest, encoding="unicode")