import requests, base64, coloredlogs, re, uuid import xml.dom.minidom as Dom import xml.etree.ElementTree as ET from flask import jsonify from pathlib import Path from modules.logging import setup_logging from modules.config import setup_config from pyplayready.system.pssh import PSSH from pyplayready.device import Device from pyplayready.cdm import Cdm from pyplayready.exceptions import InvalidSession, InvalidLicense, InvalidPssh class PLAYREADY: _instance = None # Singleton def __new__(cls): if cls._instance is None: cls._instance = super(PLAYREADY, cls).__new__(cls) cls._instance._initialize() return cls._instance def _initialize(self): self.pssh = None self.challenge = None self.license = None self.session_id = None self.config = setup_config() self.logging = setup_logging() self.device_path = self.config["CDM"]["DEVICE_FILE"] self.device_name = self.config["CDM"]["DEVICE_NAME"] self.device = Device.load(Path(self.device_path)) self.store_session = {} # ============================================================================================================================== # def open_devices(self): if self.device_name in self.store_session: existing_session_id = self.store_session[self.device_name]["session_id"] response_data = { "session_id": existing_session_id, "device_name": self.device_name, "security_level": self.store_session[self.device_name]["cdm"].security_level } return jsonify({"responseData": response_data}), 200 cdm = Cdm.from_device(self.device) session_id = cdm.open().hex() self.store_session[self.device_name] = {"cdm": cdm, "session_id": session_id} response_data = { "session_id": session_id, "device_name": self.device_name, "security_level": cdm.security_level } return jsonify({"responseData": response_data}), 200 # ============================================================================================================================== # def close_devices(self, session_id): session_id_str = session_id.decode() if isinstance(session_id, bytes) else session_id if self.device_name not in self.store_session: return jsonify({"responseData": {"message": "No active session for this device."}}), 400 stored_session = self.store_session[self.device_name] if session_id_str != stored_session["session_id"]: return jsonify({"responseData": {"message": "Invalid Session ID :P"}}), 404 try: stored_session["cdm"].close(bytes.fromhex(session_id_str)) del self.store_session[self.device_name] return jsonify({"responseData": {"message": f"Session {session_id_str} closed successfully."}}), 200 except InvalidSession: return jsonify({"responseData": {"message": "Invalid Session ID, it may have expired."}}), 400 except Exception: return jsonify({"responseData": {"message": "Unexpected error while closing session."}}), 500 # ============================================================================================================================== # def get_challenges(self, device): try: 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"] stored_session_id = bytes.fromhex(session_entry["session_id"]) wrm_header = None if self.pssh.startswith('') + len('') if start_idx >= 0 and end_idx > start_idx: wrm_header = decoded_str[start_idx:end_idx] if not wrm_header: pssh = PSSH(self.pssh) if pssh.wrm_headers: wrm_header = pssh.wrm_headers[0] except Exception as e: wrm_header = self.pssh if not wrm_header: return jsonify({"responseData": {"message": "Unable to extract a valid WRM header from PSSH"}}), 500 try: license_request = cdm.get_license_challenge(session_id=stored_session_id, wrm_header=wrm_header) session = cdm._Cdm__sessions.get(stored_session_id) if session and hasattr(session, 'license_request') and session.license_request: pass else: if session: session.license_request = license_request session.header = wrm_header if isinstance(wrm_header, bytes) else wrm_header.encode('utf-8') except InvalidSession as 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: return jsonify({"responseData": {"message": f"Error generating challenge: {str(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 except Exception as e: return jsonify({"responseData": {"message": f"Error generating challenge: {str(e)}"}}), 500 # ============================================================================================================================== # def get_keys(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"] stored_session_id = bytes.fromhex(session_entry["session_id"]) if not isinstance(self.license, str) or not self.license.strip(): return jsonify({"responseData": {"message": "Invalid or empty license_message."}}), 400 try: decoded_license = base64.b64decode(self.license).decode("utf-8", errors="ignore") try: cdm.parse_license(stored_session_id, decoded_license) except Exception as e: return jsonify({"responseData": {"message": f"Error parsing license: {str(e)}"}}), 500 try: keys = cdm.get_keys(stored_session_id) response_keys = [] for key in keys: if isinstance(key.key_id, uuid.UUID): key_id_hex = key.key_id.hex else: key_id_hex = str(key.key_id) if isinstance(key.key, bytes): key_hex = key.key.hex() else: key_hex = str(key.key) response_keys.append({ "key_id": key_id_hex, "key": key_hex }) except Exception as e: return jsonify({"responseData": {"message": f"Error getting keys: {str(e)}"}}), 500 except InvalidSession as e: return jsonify({"responseData": {"message": f"Invalid Session ID '{stored_session_id.hex()}', it may have expired."}}), 400 except InvalidLicense as e: return jsonify({"responseData": {"message": f"Invalid License, {e}"}}), 400 except Exception as e: return jsonify({"responseData": {"message": f"Error, {e}"}}), 500 return jsonify({ "responseData": { "message": "Successfully parsed and loaded the Keys from the License message.", "keys": response_keys } }), 200 # ============================================================================================================================== #