claudeandClaude Opus 4.8
453ca2f85a
Widevine/DRM research and video download scripts (Apple, CDA, Sky, TVP), CDM tooling, and helper utilities. Excludes downloads/. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WFUhtZEpkGZJjNCGFS9r4Z
124 lines
5.4 KiB
Python
Executable File
124 lines
5.4 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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HTTP server on port 8765:
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- serves static files (drm_test.html etc.)
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- POST /capture → saves challenge, extracts ClientIdentification as client_id.bin
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"""
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import http.server, socketserver, os, sys, urllib.request, urllib.error
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from pathlib import Path
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OUT = Path(__file__).parent / 'L3'
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OUT.mkdir(exist_ok=True)
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PORT = 8765
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class Handler(http.server.SimpleHTTPRequestHandler):
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def do_POST(self):
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if self.path == '/proxy':
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# CORS proxy: forward binary body to TVP license server and return response
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TVP_LICENSE = 'https://vod.tvp.pl/api/products/2993670/drm/widevine/external?platform=BROWSER&type=MOVIE'
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length = int(self.headers.get('Content-Length', 0))
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body = self.rfile.read(length)
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print(f' [proxy] {len(body)}b → {TVP_LICENSE[:60]}')
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try:
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req = urllib.request.Request(TVP_LICENSE, data=body,
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headers={'Content-Type': 'application/octet-stream'}, method='POST')
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with urllib.request.urlopen(req, timeout=10) as resp:
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resp_body = resp.read()
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print(f' [proxy] response: {resp.status} {len(resp_body)}b')
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self.send_response(resp.status)
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self.send_header('Access-Control-Allow-Origin', '*')
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self.send_header('Content-Type', 'application/octet-stream')
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self.send_header('Content-Length', str(len(resp_body)))
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self.end_headers()
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self.wfile.write(resp_body)
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except Exception as e:
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print(f' [proxy] error: {e}')
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self.send_response(502)
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self.send_header('Access-Control-Allow-Origin', '*')
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self.end_headers()
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return
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if self.path == '/capture':
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length = int(self.headers.get('Content-Length', 0))
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data = self.rfile.read(length)
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print(f'\n[+] Received {len(data)} bytes challenge head={data[:16].hex()}')
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(OUT / 'challenge.bin').write_bytes(data)
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print(f' Saved → L3/challenge.bin')
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# Parse SignedMessage → LicenseRequest → ClientIdentification
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try:
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from pywidevine import license_protocol_pb2 as pb
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sm = pb.SignedMessage()
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sm.MergeFromString(data)
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print(f' SignedMessage.type={sm.type} msg={len(sm.msg)}b sig={len(sm.signature)}b')
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lr = pb.LicenseRequest()
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lr.MergeFromString(sm.msg)
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ci = lr.client_id
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ci_bytes = ci.SerializeToString()
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print(f' ClientIdentification: type={ci.type} token={len(ci.token)}b total={len(ci_bytes)}b')
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print(f' CI head: {ci_bytes[:16].hex()}')
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if len(ci_bytes) > 50:
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(OUT / 'client_id.bin').write_bytes(ci_bytes)
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print(f'[+] Saved → L3/client_id.bin')
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# Try pywidevine create-device
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import subprocess
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r = subprocess.run(['pywidevine', 'create-device',
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'-t', 'android', '-l', '3',
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'-k', str(OUT / 'private_key.der'),
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'-c', str(OUT / 'client_id.bin'),
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'-o', str(OUT)], capture_output=True, text=True)
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if r.returncode == 0:
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print('\n[+] pywidevine create-device SUCCESS!')
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print(r.stdout[-600:])
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else:
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print('\n[!] pywidevine create-device FAILED:')
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print(r.stderr[-400:])
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else:
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print(f'[!] ClientIdentification too small ({len(ci_bytes)} bytes)')
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print(f' Full LicenseRequest fields:')
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for f in lr.DESCRIPTOR.fields:
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try:
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val = getattr(lr, f.name)
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if val:
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print(f' {f.name}: {str(val)[:80]}')
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except: pass
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except Exception as e:
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import traceback
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print(f'[!] Parse error: {e}')
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traceback.print_exc()
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self.send_response(200)
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self.send_header('Access-Control-Allow-Origin', '*')
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self.send_header('Content-Type', 'text/plain')
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self.end_headers()
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self.wfile.write(b'OK')
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else:
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self.send_response(404)
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self.end_headers()
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def do_OPTIONS(self):
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self.send_response(200)
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self.send_header('Access-Control-Allow-Origin', '*')
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self.send_header('Access-Control-Allow-Methods', 'POST, GET, OPTIONS')
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self.send_header('Access-Control-Allow-Headers', 'Content-Type')
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self.end_headers()
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def log_message(self, fmt, *args):
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if '/capture' in str(args):
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pass # already logged above
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else:
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super().log_message(fmt, *args)
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os.chdir(Path(__file__).parent)
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print(f'[*] Serving on port {PORT} (static files + POST /capture)')
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print(f'[*] In emulator, run:')
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print(f' adb reverse tcp:{PORT} tcp:{PORT}')
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print(f' Then open http://localhost:{PORT}/drm_test.html\n')
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with socketserver.TCPServer(('', PORT), Handler) as httpd:
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try:
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httpd.serve_forever()
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except KeyboardInterrupt:
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print('\n[!] Stopped.')
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