#!/usr/bin/python3
import sys
import os
import base64
import json
import datetime
import pytz
import time
import uuid
import jwt

# Add parent directory to path for o11 import
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import o11

from bs4 import BeautifulSoup
from pywidevine.cdm import Cdm
from pywidevine.device import Device
from pywidevine.pssh import PSSH

# Parse command line parameters
user = o11.parse_params(sys.argv, 'user')
password = o11.parse_params(sys.argv, 'password')
device = o11.parse_params(sys.argv, 'device')
pin = o11.parse_params(sys.argv, 'pin')

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 = o11.parse_params(sys.argv, 'cdm')
drm = o11.parse_params(sys.argv, 'drm')
kid = o11.parse_params(sys.argv, 'kid')
pssh = o11.parse_params(sys.argv, 'pssh')
challenge = o11.parse_params(sys.argv, 'challenge')

heartbeaturl = o11.parse_params(sys.argv, 'heartbeaturl')
heartbeatparams = o11.parse_params(sys.argv, 'heartbeatparams')

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

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

# Configuration
WVD_PATH = './WVD.wvd'
authFile = '/Stan_auth.json'
SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))

USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36'

headers = {
    'accept': '*/*',
    'origin': 'https://play.stan.com.au',
    'referer': 'https://play.stan.com.au/',
    'user-agent': USER_AGENT,
}

token = ''
device_id = ''

def get_auth():
    try:
        return json.load(open(SCRIPT_DIR + authFile))
    except:
        return None

def save_auth(auth_data):
    json.dump(auth_data, open(SCRIPT_DIR + authFile, 'w'), indent=2)

def do_refresh(tok, dev_id):
    refresh_headers = {
        'accept': '*/*',
        'content-type': 'application/x-www-form-urlencoded; charset=utf-8',
        'origin': 'https://www.stan.com.au',
        'referer': 'https://www.stan.com.au/',
        'user-agent': USER_AGENT,
    }
    
    decoded = jwt.decode(tok, options={"verify_signature": False})
    
    data = {
        'clientId': dev_id,
        'userId': decoded['uid'],
        'profileId': decoded['profileId'],
        'jwToken': tok,
        'source': 'www',
        'stanName': 'Stan-Web',
    }
    
    response = req.post('https://api.stan.com.au/login/v1/sessions/web/account', headers=refresh_headers, data=data)
    return response.json()['jwToken']

def login():
    global token, device_id
    print("logging in...", file=sys.stderr)
    
    auth = get_auth()
    if not auth or 'streamco_token' not in auth:
        print("No auth found. Please add Stan cookies to auth file.", file=sys.stderr)
        save_auth({
            'streamco_token': 'ENTER streamco_token HERE',
            'streamco_device_id': 'ENTER streamco_device_id HERE'
        })
        sys.exit(1)
    
    try:
        tok = auth['streamco_token']
        dev_id = auth['streamco_device_id']
        
        if ' ' in tok or ' ' in dev_id:
            raise Exception('Default auth.json')
        
        tok = do_refresh(tok, dev_id)
        save_auth({'streamco_token': tok, 'streamco_device_id': dev_id})
        token = tok
        device_id = dev_id
        print("logged in successfully", file=sys.stderr)
        return tok, dev_id
    except Exception as e:
        print(f"Login failed: {e}", file=sys.stderr)
        sys.exit(1)

def get_token():
    global token, device_id
    auth = get_auth()
    if auth and 'streamco_token' in auth and ' ' not in auth['streamco_token']:
        token = auth['streamco_token']
        device_id = auth['streamco_device_id']
        return token, device_id
    return login()

def get_feed(feed_id):
    params = {'purchases': '0', 'zzz': 'json', 'jwToken': token}
    response = req.get(f'https://api.stan.com.au/feeds/v1/feeds/{feed_id}', params=params, headers=headers)
    try:
        return response.json()['entries']
    except:
        return []

def get_single(program_id):
    single_headers = {
        'accept': '*/*',
        'content-type': 'application/x-www-form-urlencoded',
        'origin': 'https://play.stan.com.au',
        'referer': 'https://play.stan.com.au/',
        'user-agent': USER_AGENT,
    }
    
    params = {
        'programId': program_id,
        'jwToken': token,
        'clientId': device_id,
        'format': 'dash',
        'cid': str(uuid.uuid4()),
        'capabilities.drm': 'widevine',
        'player': 'html5',
        'quality': 'high',
        'stanName': 'Stan-Web',
    }
    
    response = req.post('https://api.stan.com.au/concurrency/v1/streams', params=params, headers=single_headers)
    
    try:
        data = response.json()
        media = data['media']
        drm_data = media['drm']
        concurrency = data['concurrency']
        return media['videoUrl'], drm_data['licenseServerUrl'], drm_data.get('customData', ''), concurrency['lockID']
    except:
        return None, None, None, None

def unlock(lock_id):
    params = {
        'form': 'json',
        'schema': '1.0',
        '_clientId': lock_id,
        '_id': lock_id,
        '_sequenceToken': '0',
        '_encryptedLock': 'STAN',
        'jwToken': token,
    }
    req.get('https://api.stan.com.au/concurrency/v1/unlock', params=params, headers=headers)

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

def do_cdm_internal(challenge_b64, lic_url, lic_token):
    lic_headers = {
        'accept': '*/*',
        'dt-custom-data': lic_token,
        'origin': 'https://play.stan.com.au',
        'referer': 'https://play.stan.com.au/',
        'user-agent': USER_AGENT,
        'content-type': 'application/octet-stream',
    }
    response = req.post(lic_url, headers=lic_headers, data=base64.b64decode(challenge_b64))
    response_b64 = str(base64.b64encode(response.content), 'ascii')
    if response_b64.startswith('CA'):
        return response_b64
    return None

def do_cdm_external(pssh_b64, lic_url, lic_token):
    try:
        pssh_obj = PSSH(pssh_b64)
        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)
        
        lic_headers = {
            'accept': '*/*',
            'dt-custom-data': lic_token,
            'origin': 'https://play.stan.com.au',
            'referer': 'https://play.stan.com.au/',
            'user-agent': USER_AGENT,
            'content-type': 'application/octet-stream',
        }
        
        licence = req.post(lic_url, headers=lic_headers, data=challenge_data)
        cdm_obj.parse_license(session_id, licence.content)
        
        keys = []
        for key in cdm_obj.get_keys(session_id):
            if key.type != 'SIGNING':
                keys.append(f"{key.kid.hex}:{key.key.hex()}")
        
        cdm_obj.close(session_id)
        return keys
    except Exception as e:
        print(f'CDM external failed: {e}', file=sys.stderr)
        return None

def do_action():
    get_token()
    
    if action == "login":
        login()
        sys.exit()
    
    if action == "channels":
        output = {'Channels': []}
        
        params = {
            'feedTypes': 'posters,landscapes,hero,previews,banner,landscapes_xl,resume,collections,ordinal,pictograms',
            'stanName': 'Stan-Web',
            'jwToken': token
        }
        
        now_ms = int(time.time() * 1000)
        
        # Get sport events
        try:
            response = req.get('https://api.stan.com.au/pages/v6/sport.json', headers=headers, params=params)
            data = response.json()
            
            for e in data.get('entries', []):
                if 'live' in e.get('title', '').lower():
                    events = get_feed(e['id'])
                    for ev in events:
                        if ev.get('liveStartDate', 0) < now_ms:
                            channel = {
                                'Name': ev.get('title', 'Unknown'),
                                'Mode': 'live',
                                'SessionManifest': True,
                                'ManifestScript': f"id={ev.get('id', '')}",
                                'CdmType': 'widevine',
                                'UseCdm': True,
                                'Cdm': f"id={ev.get('id', '')}",
                                'Video': 'best',
                                'OnDemand': True,
                                'SpeedUp': True,
                            }
                            output['Channels'].append(channel)
        except:
            pass
        
        # Get PPV events
        try:
            response = req.get('https://api.stan.com.au/pages/v6/event.json', headers=headers, params=params)
            data = response.json()
            
            for e in data.get('entries', []):
                if e.get('type') == 'landscapes':
                    events = get_feed(e['id'])
                    for ev in events:
                        if 'liveStartDate' in ev and ev['liveStartDate'] < now_ms:
                            channel = {
                                'Name': ev.get('title', 'Unknown'),
                                'Mode': 'live',
                                'SessionManifest': True,
                                'ManifestScript': f"id={ev.get('id', '')}",
                                'CdmType': 'widevine',
                                'UseCdm': True,
                                'Cdm': f"id={ev.get('id', '')}",
                                'Video': 'best',
                                'OnDemand': True,
                                'SpeedUp': True,
                            }
                            output['Channels'].append(channel)
        except:
            pass
        
        print(json.dumps(output, indent=2))
    
    elif action == "events":
        output = {'Events': []}
        print(json.dumps(output, indent=2))
    
    elif action == "heartbeat":
        sys.exit()
    
    elif action == "manifest":
        try:
            program_id = id
            video_url, lic_url, lic_token, lock_id = get_single(program_id)
            
            if not video_url:
                return "error"
            
            unlock(lock_id)
            
            output = {
                "Cdn": [{"Name": "default", "ManifestUrl": video_url}],
                "ManifestUrl": video_url,
                "Headers": {"Manifest": {'User-Agent': USER_AGENT}, "Media": {'User-Agent': USER_AGENT}},
                "Heartbeat": {"Url": '', "Params": '', "PeriodMs": 5*60*1000},
                "LicenseUrl": lic_url,
                "LicenseToken": lic_token
            }
            print(json.dumps(output))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "internal":
        try:
            program_id = id
            _, lic_url, lic_token, lock_id = get_single(program_id)
            unlock(lock_id)
            
            if lic_url:
                result = do_cdm_internal(challenge, lic_url, lic_token)
                if result:
                    print(result)
                else:
                    return "error"
            else:
                return "error"
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "external":
        try:
            program_id = id
            video_url, lic_url, lic_token, lock_id = get_single(program_id)
            unlock(lock_id)
            
            if lic_url:
                pssh_to_use = pssh if pssh else get_pssh_from_mpd(video_url)
                if pssh_to_use:
                    keys = do_cdm_external(pssh_to_use, lic_url, lic_token)
                    if keys:
                        for key in keys:
                            print(key)
                    else:
                        return "error"
                else:
                    return "error"
            else:
                return "error"
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    else:
        print("invalid action: " + action, file=sys.stderr)

if do_action() == "error":
    login()
    do_action()