#!/usr/bin/python3
import sys
import os
import o11
import json
import datetime
import pytz
import base64
import uuid
import jwt
from pywidevine.cdm import Cdm
from pywidevine.device import Device
from pywidevine.pssh import PSSH
from bs4 import BeautifulSoup

WVD_PATH = './WVD.wvd'

user = o11.parse_params(sys.argv, 'user')
password = o11.parse_params(sys.argv, 'password')

id = o11.parse_params(sys.argv, 'id')
action = o11.parse_params(sys.argv, 'action')

bind = o11.parse_params(sys.argv, 'bind')
proxy = o11.parse_params(sys.argv, 'proxy')
doh = o11.parse_params(sys.argv, 'doh')
worker = o11.parse_params(sys.argv, 'worker')

cdm_param = o11.parse_params(sys.argv, 'cdm')
challenge = o11.parse_params(sys.argv, 'challenge')

o11Session = o11.session(bind=bind, proxy=proxy, worker=worker)
req = o11Session.get_session()
if doh != "":
    o11.dns(doh)

if challenge == "cert":
    challenge = "CAQ="

authFile = '/WaipuTV_' + user + '.tokens'
user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36'

def do_cdm_external(pssh_data, token):
    pssh_obj = PSSH(pssh_data)
    device_obj = Device.load(WVD_PATH)
    cdm_obj = Cdm.from_device(device_obj)
    session_id = cdm_obj.open()
    challenge_data = cdm_obj.get_license_challenge(session_id, pssh_obj)
    decoded = jwt.decode(token, options={"verify_signature": False})
    cdata = '{"userId":"' + decoded["userHandle"] + '","sessionId":"default","merchant":"exaring"}'
    lic_headers = {'dt-custom-data': base64.b64encode(cdata.encode()).decode(), 'origin': 'https://play.waipu.tv', 'referer': 'https://play.waipu.tv/', 'user-agent': user_agent, 'content-type': 'application/octet-stream'}
    licence = req.post('https://drm.wpstr.tv/license-proxy-widevine/cenc/?specConform=true', headers=lic_headers, data=challenge_data)
    cdm_obj.parse_license(session_id, licence.content)
    keys = [f"{key.kid.hex}:{key.key.hex()}" for key in cdm_obj.get_keys(session_id) if key.type != 'SIGNING']
    cdm_obj.close(session_id)
    return keys

def get_pssh_from_mpd(url):
    headers = {'User-Agent': user_agent}
    response = req.get(url, headers=headers)
    for cp in BeautifulSoup(response.content, features="xml").findAll('ContentProtection'):
        if cp.get('schemeIdUri', '').lower() == 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed':
            pssh_tag = cp.find('cenc:pssh')
            if pssh_tag:
                return pssh_tag.text
    return None

def get_channels(token):
    headers = {'authorization': 'Bearer ' + token, 'origin': 'https://play.waipu.tv', 'referer': 'https://play.waipu.tv/', 'user-agent': user_agent}
    params = {'omitted': 'false'}
    response = req.get('https://user-stations.waipu.tv/api/stations', params=params, headers=headers)
    return response.json()

def get_single(token, station):
    headers = {'accept': 'application/vnd.streamurlprovider.newtv-stream-url-v1+json', 'authorization': 'Bearer ' + token, 'content-type': 'application/vnd.streamurlprovider.stream-url-request-v1+json', 'origin': 'https://play.waipu.tv', 'referer': 'https://play.waipu.tv/', 'user-agent': user_agent}
    data = json.dumps({"stream": {"station": station, "protocol": "dash", "requestMuxInstrumentation": True, "processOutcomeField": True}})
    response = req.post('https://stream-url-provider.waipu.tv/api/stream-url', headers=headers, data=data)
    return response.json().get('streamUrl', '')

def do_token_refresh(refresh_token):
    headers = {'content-type': 'application/x-www-form-urlencoded', 'origin': 'https://play.waipu.tv', 'referer': 'https://play.waipu.tv/', 'user-agent': user_agent}
    data = {'waipu_device_id': str(uuid.uuid4()), 'grant_type': 'refresh_token', 'client_id': 'waipu.web-player', 'refresh_token': refresh_token}
    response = req.post('https://auth.waipu.tv/oauth/token', headers=headers, data=data)
    resp_data = response.json()
    return resp_data.get('access_token', ''), resp_data.get('refresh_token', '')

def login():
    print("Please provide refresh_token manually in the tokens file", file=sys.stderr)
    print("Login to WaipuTV website, go to DevTools -> Network and find refresh_token in oauth/token response", file=sys.stderr)
    sys.exit(1)

def do_action():
    if action == "login":
        login()
        sys.exit()
    try:
        auth = json.load(open(os.path.abspath(os.path.dirname(__file__)) + authFile))
        token, new_refresh = do_token_refresh(auth['refresh_token'])
        auth['refresh_token'] = new_refresh
        json.dump(auth, open(os.path.abspath(os.path.dirname(__file__)) + authFile, 'w'))
    except:
        return "error"

    if action == "channels":
        output = {'Channels': []}
        for c in get_channels(token):
            output['Channels'].append({'Name': c['displayName'], 'Mode': "live", 'SessionManifest': True, 'ManifestScript': 'id=' + c['stationId'], 'CdmType': "widevine", 'UseCdm': True, 'Cdm': 'id=' + c['stationId'], 'Video': 'best'})
        print(json.dumps(output, indent=2))
    elif action == "events":
        output = {'Events': []}
        for c in get_channels(token):
            output['Events'].append({'Name': c['displayName'], 'Mode': "live", 'SessionManifest': True, 'ManifestScript': 'id=' + c['stationId'], 'CdmType': "widevine", 'UseCdm': True, 'Cdm': 'id=' + c['stationId'], 'Video': 'best', 'Autostart': True, 'Start': int(datetime.datetime.now(pytz.UTC).timestamp()), 'End': int((datetime.datetime.now(pytz.UTC) + datetime.timedelta(hours=4)).timestamp())})
        print(json.dumps(output, indent=2))
    elif action == "manifest":
        station_id = id.replace('id=', '') if id.startswith('id=') else id
        url = get_single(token, station_id)
        pssh_data = get_pssh_from_mpd(url)
        output = {"Cdn": [], "ManifestUrl": url, "Headers": {"Manifest": {'User-Agent': user_agent}, "Media": {'User-Agent': user_agent}}, "Token": token}
        if pssh_data:
            output['Pssh'] = pssh_data
        print(json.dumps(output))
    elif action == "cdm" and cdm_param == "external":
        station_id = id.replace('id=', '') if id.startswith('id=') else id
        url = get_single(token, station_id)
        pssh_data = get_pssh_from_mpd(url)
        if pssh_data:
            for key in do_cdm_external(pssh_data, token):
                print(key)

if do_action() == "error":
    print("Error: Please create token file with refresh_token", file=sys.stderr)
    sys.exit(1)
