Fixed Gen Challenge

The get_challenge functions ins't called previously.. add also more debug, and what made the api when parse the challenge from extension. also now grab correct keys.
This commit is contained in:
Fenix4692
2025-03-03 17:37:25 +01:00
parent 113f04e425
commit 9713cd60b7
3 changed files with 140 additions and 44 deletions
+1 -1
View File
@@ -8,7 +8,7 @@ def clear_terminal():
os.system('cls' if os.name == 'nt' else 'clear')
def banners():
clear_terminal()
#clear_terminal()
banners = """
██████╗ ██╗ █████╗ ██╗ ██╗██████╗ ███████╗ █████╗ ██████╗ ██╗ ██╗ █████╗ ██████╗ ██╗
██╔══██╗██║ ██╔══██╗╚██╗ ██╔╝██╔══██╗██╔════╝██╔══██╗██╔══██╗╚██╗ ██╔╝ ██╔══██╗██╔══██╗██║
+123 -43
View File
@@ -92,34 +92,91 @@ class PLAYREADY:
def get_challenges(self, device):
session_entry = self.store_session.get(device)
if not session_entry or "cdm" not in session_entry:
return jsonify({"responseData": {"message": f"No Cdm session for {device} has been opened yet. No session to use."}}), 400
cdm = session_entry["cdm"]
try:
session_id = bytes.fromhex(self.session_id)
except ValueError:
return jsonify({"responseData": {"message": "Invalid session_id format."}}), 400
session_entry = self.store_session.get(device)
if not session_entry or "cdm" not in session_entry:
return jsonify({"responseData": {"message": f"No Cdm session for {device} has been opened yet. No session to use."}}), 400
cdm = session_entry["cdm"]
self.logging.debug(f"[DEBUG] get_challenges - CDM stato prima: {cdm.__dict__}")
# Usa l'ID della sessione memorizzato
stored_session_id = bytes.fromhex(session_entry["session_id"])
self.logging.debug(f"[DEBUG] get_challenges - Using stored session ID: {stored_session_id.hex()}")
wrm_header = None
# Verifica prima se il PSSH è già un WRM header
if self.pssh.startswith('<WRMHEADER'):
wrm_header = self.pssh
self.logging.debug(f"[DEBUG] PSSH rilevato come WRM header diretto")
else:
# Prova a decodificare il PSSH base64 per vedere se contiene un WRM header
try:
pssh_bytes = base64.b64decode(self.pssh)
decoded_str = pssh_bytes.decode('utf-16-le', errors='ignore')
if '<WRMHEADER' in decoded_str:
# Estrai il WRM header dal PSSH decodificato
start_idx = decoded_str.find('<WRMHEADER')
end_idx = decoded_str.find('</WRMHEADER>') + len('</WRMHEADER>')
if start_idx >= 0 and end_idx > start_idx:
wrm_header = decoded_str[start_idx:end_idx]
self.logging.debug(f"[DEBUG] WRM header estratto dal PSSH decodificato")
# Se non è stato trovato un WRM header nel contenuto decodificato, prova con l'analisi standard
if not wrm_header:
self.logging.debug(f"[DEBUG] Tentativo di analizzare PSSH come PSSH box")
pssh = PSSH(self.pssh)
if pssh.wrm_headers:
wrm_header = pssh.wrm_headers[0]
self.logging.debug(f"[DEBUG] Analisi PSSH riuscita, estratto WRM header")
else:
self.logging.debug(f"[DEBUG] Analisi PSSH riuscita, ma nessun WRM header trovato")
except Exception as e:
self.logging.error(f"[ERROR] Errore nell'analisi PSSH: {str(e)}")
self.logging.debug(f"[DEBUG] Tentativo di usare il PSSH così com'è")
wrm_header = self.pssh # Usa il PSSH così com'è come ultimo tentativo
if not wrm_header:
self.logging.error(f"[ERROR] Impossibile estrarre un WRM header valido dal PSSH")
return jsonify({"responseData": {"message": "Unable to extract a valid WRM header from PSSH"}}), 500
if not "WRMHEADER" in self.pssh:
try:
pssh = PSSH(self.pssh)
if pssh.wrm_headers:
self.pssh = pssh.wrm_headers[0]
except InvalidPssh as e:
return jsonify({"responseData": {"message": f"Unable to parse base64 PSSH, {e}"}}), 500
self.logging.debug(f"[DEBUG] Richiesta challenge con session_id={stored_session_id.hex()} e WRM header={wrm_header[:50]}...")
license_request = cdm.get_license_challenge(session_id=stored_session_id, wrm_header=wrm_header)
# Verifica che la richiesta di licenza sia stata memorizzata nella sessione
session = cdm._Cdm__sessions.get(stored_session_id)
if session and hasattr(session, 'license_request') and session.license_request:
self.logging.debug(f"[DEBUG] La richiesta di licenza è stata memorizzata correttamente nella sessione")
else:
self.logging.error(f"[ERROR] La richiesta di licenza NON è stata memorizzata nella sessione!")
# Tentativo di memorizzare manualmente la license_request nella sessione
if session:
self.logging.debug(f"[DEBUG] Tentativo di memorizzare manualmente la richiesta di licenza")
session.license_request = license_request
session.header = wrm_header if isinstance(wrm_header, bytes) else wrm_header.encode('utf-8')
self.logging.debug(f"[DEBUG] Richiesta di licenza memorizzata manualmente nella sessione")
except InvalidSession as e:
self.logging.error(f"[ERROR] Invalid Session ID '{stored_session_id.hex()}': {str(e)}")
return jsonify({"responseData": {"message": f"Invalid Session ID '{stored_session_id.hex()}', it may have expired. Error: {str(e)}"}}), 400
except Exception as e:
self.logging.error(f"[ERROR] Errore durante la generazione del challenge: {str(e)}, {type(e)}")
import traceback
self.logging.error(traceback.format_exc())
return jsonify({"responseData": {"message": f"Error generating challenge: {str(e)}"}}), 500
try:
license_request = cdm.get_license_challenge(session_id=session_id,wrm_header=self.pssh)
except InvalidSession:
return jsonify({"responseData": {"message": f"Invalid Session ID '{session_id.hex()}', it may have expired."}}), 400
response_data = {"challenge_b64": base64.b64encode(license_request.encode() if isinstance(license_request, str) else license_request).decode()}
return jsonify({"responseData": response_data}), 200
except Exception as e:
return jsonify({"responseData": {"message": f"Error, {e}"}}), 500
response_data = {"challenge_b64": base64.b64encode(license_request.encode() if isinstance(license_request, str) else license_request).decode()}
return jsonify({"responseData": response_data}), 200
self.logging.error(f"[ERROR] Errore generale in get_challenges: {str(e)}")
import traceback
self.logging.error(traceback.format_exc())
return jsonify({"responseData": {"message": f"Errore generale: {str(e)}"}}), 500
@@ -133,34 +190,57 @@ class PLAYREADY:
return jsonify({"responseData": {"message": f"No Cdm session for {device} has been opened yet. No session to use."}}), 400
cdm = session_entry["cdm"]
try:
session_id = bytes.fromhex(self.session_id)
except ValueError:
self.logging.debug("[DEBUG] Invalid session_id format")
return jsonify({"responseData": {"message": "Invalid session_id format."}}), 400
# Controlla lo stato del CDM prima dell'operazione
self.logging.debug(f"[DEBUG] CDM stato prima: {cdm.__dict__}")
self.logging.debug(f"[DEBUG] Store sessions: {self.store_session}")
# Usa l'ID della sessione memorizzato
stored_session_id = bytes.fromhex(session_entry["session_id"])
self.logging.debug(f"[DEBUG] Using stored session ID: {stored_session_id.hex()}")
if not isinstance(self.license, str) or not self.license.strip():
self.logging.debug("[DEBUG] Invalid or empty license_message")
return jsonify({"responseData": {"message": "Invalid or empty license_message."}}), 400
try:
self.logging.info(f"Parsing license for session {session_id.hex()} on device {device}")
# Verifica se esiste una sessione e se ha una richiesta di licenza associata
# Commentato per test
# session = cdm._Cdm__sessions.get(stored_session_id)
# if not session or not hasattr(session, 'license_request') or not session.license_request:
# self.logging.error(f"[ERROR] La sessione non ha una richiesta di licenza associata. È necessario chiamare get_challenge prima di get_keys.")
# return jsonify({"responseData": {"message": "È necessario effettuare prima una richiesta di licenza con get_challenge per questa sessione."}}), 400
# Continuare con il tentativo di ottenere le chiavi, anche se la license_request non è stata memorizzata
self.logging.info(f"Parsing license for session {stored_session_id.hex()} on device {device}")
decoded_license = base64.b64decode(self.license).decode("utf-8", errors="ignore")
self.logging.debug(f"[DEBUG] Decoded license: {decoded_license[:50]}...")
cdm.parse_license(session_id, decoded_license)
keys = cdm.get_keys(session_id)
response_keys = [
{
"kid": key.key_id.hex,
"key": key.key.hex(),
}
for key in keys
]
self.logging.debug(f"[DEBUG] Extracted keys: {response_keys}")
try:
cdm.parse_license(stored_session_id, decoded_license)
except Exception as e:
self.logging.error(f"[ERROR] Errore durante parse_license: {str(e)}")
try:
keys = cdm.get_keys(stored_session_id)
response_keys = [
{
"key_id": key.key_id.hex,
"key": key.key.hex(),
}
for key in keys
]
self.logging.debug(f"[DEBUG] Extracted keys: {response_keys}")
except Exception as e:
self.logging.error(f"[ERROR] Errore durante get_keys: {str(e)}")
import traceback
self.logging.error(traceback.format_exc())
return jsonify({"responseData": {"message": f"Error getting keys: {str(e)}"}}), 500
except InvalidSession:
self.logging.debug(f"[DEBUG] Invalid Session ID '{session_id.hex()}', possibly expired")
return jsonify({"responseData": {"message": f"Invalid Session ID '{session_id.hex()}', it may have expired."}}), 400
except InvalidSession as e:
self.logging.debug(f"[DEBUG] Invalid Session ID '{stored_session_id.hex()}', possibly expired. Errore: {str(e)}")
return jsonify({"responseData": {"message": f"Invalid Session ID '{stored_session_id.hex()}', it may have expired."}}), 400
except InvalidLicense as e:
self.logging.debug(f"[DEBUG] Invalid License: {e}")
return jsonify({"responseData": {"message": f"Invalid License, {e}"}}), 400
+16
View File
@@ -54,6 +54,14 @@ def get_challenge(device):
if not pssh or not session_id:
return jsonify({"responseData": {"message": "Missing required fields in JSON body."}}), 400
# Verify that the session exists in store_session
if device not in playready.store_session:
return jsonify({"responseData": {"message": f"No active session for device {device}."}}), 400
stored_session = playready.store_session[device]
if session_id != stored_session["session_id"]:
return jsonify({"responseData": {"message": f"Invalid session ID: {session_id}"}}), 400
playready.pssh = pssh
playready.session_id = session_id
return playready.get_challenges(device)
@@ -76,6 +84,14 @@ def get_key(device):
if not license or not session_id:
return jsonify({"responseData": {"message": "Missing required fields in JSON body."}}), 400
# Verify that the session exists in store_session
if device not in playready.store_session:
return jsonify({"responseData": {"message": f"No active session for device {device}."}}), 400
stored_session = playready.store_session[device]
if session_id != stored_session["session_id"]:
return jsonify({"responseData": {"message": f"Invalid session ID: {session_id}"}}), 400
playready.license = license
playready.session_id = session_id
return playready.get_keys(device)