66 lines
2.9 KiB
Python
66 lines
2.9 KiB
Python
import argparse
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import logging
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import subprocess
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import time
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import coloredlogs
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from pathlib import Path
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import extractor
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from extractor.cdm import Cdm
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coloredlogs.install(
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fmt='%(asctime)s [%(levelname).1s] %(name)s: %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S',
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level=logging.DEBUG)
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if __name__ == '__main__':
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logger = logging.getLogger('KeyDive')
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# Parse command line arguments for device ID
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parser = argparse.ArgumentParser(description='Extract Widevine L3 keys from an Android device.')
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parser.add_argument('-a', '--auto', required=False, action='store_true', help='Open Bitmovin\'s demo automatically.')
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parser.add_argument('-d', '--device', required=False, type=str, help='Target Android device ID.')
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parser.add_argument('-f', '--functions', required=False, type=Path, help='Path to Ghidra XML functions file.')
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parser.add_argument('-w', '--wvd', required=False, action='store_true', help='Generate WVD.')
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parser.add_argument('--force', required=False, action='store_true', help='Force using the default vendor (skipping analysis).')
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args = parser.parse_args()
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try:
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logger.info('Version: %s', extractor.__version__)
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# Ensure the ADB server is running
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sp = subprocess.run(['adb', 'start-server'], capture_output=True)
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if sp.returncode != 0:
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raise EnvironmentError('ADB is not recognized as an environment variable, see https://github.com/hyugogirubato/KeyDive/blob/main/docs/PACKAGE.md#adb-android-debug-bridge')
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# Initialize the CDM handler with the specified or default device
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cdm = Cdm(device=args.device, functions=args.functions, force=args.force, wvd=args.wvd)
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# Attempt to locate and identify the Widevine process on the target device
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pid = cdm.enumerate_processes().get(cdm.vendor.process)
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if not pid:
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raise EnvironmentError('Widevine process not found on the device')
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logger.info('Process: %s (%s)', pid, cdm.vendor.process)
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# Hook into the identified process for DRM key extraction
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if not cdm.hook_process(pid=pid):
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raise Exception('Failed to hook into the Widevine process')
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logger.info('Successfully hooked. To test, play a DRM-protected video: https://bitmovin.com/demos/drm')
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if args.auto:
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logger.info('Starting DRM player launch process...')
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sp = subprocess.run(['adb', '-s', cdm.device.id, 'shell', 'am', 'start', '-a', 'android.intent.action.VIEW', '-d', 'https://bitmovin.com/demos/drm'], capture_output=True)
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if sp.returncode != 0:
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logger.error('Error launching DRM player: %s' % sp.stdout.decode('utf-8').strip())
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# Keep script running while extracting keys
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while cdm.running:
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time.sleep(1)
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except KeyboardInterrupt:
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pass
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except Exception as e:
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logger.critical(e)
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logger.info('Exiting')
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