138 lines
4.9 KiB
Python
138 lines
4.9 KiB
Python
#!/usr/bin/env python
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# MSR90 Magnetic Stripe Reader - Developed by acidvegas in Python (https://git.acid.vegas/msr90)
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import getpass
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import re
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import sys
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# Define ANSI color codes
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YELLOW = '\033[93m'
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CYAN = '\033[96m'
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GRAY = '\033[90m'
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RESET = '\033[0m'
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def format_pan(pan: str) -> str:
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'''
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Format the Primary Account Number (PAN) by grouping the digits in sets of 4
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:param pan: The Primary Account Number (PAN) to format
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'''
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return ' '.join(pan[i:i+4] for i in range(0, len(pan), 4))
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def format_exp_date(exp_date: str) -> str:
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'''
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Format the expiration date to be MM/YY
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:param exp_date: The expiration date to format
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'''
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return exp_date[2:4] + '/' + exp_date[0:2]
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def service_code_descriptions(digit: int, code: str) -> str:
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'''
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Get the description for the service code digit
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:param digit: The digit number (1, 2, or 3)
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:param code: The code value for the digit
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'''
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descriptions = {
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'1': {
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'1': 'International interchange OK',
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'2': 'International interchange, use IC (chip) where feasible',
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'5': 'National interchange only except under bilateral agreement',
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'6': 'National interchange only, use IC (chip) where feasible',
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'7': 'No interchange except under bilateral agreement (closed loop)',
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'9': 'Test'
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},
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'2': {
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'0': 'Normal',
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'2': 'Contact issuer via online means',
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'4': 'Contact issuer via online means except under bilateral agreement'
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},
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'3': {
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'0': 'No restrictions, PIN required',
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'1': 'No restrictions',
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'2': 'Goods and services only (no cash)',
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'3': 'ATM only, PIN required',
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'4': 'Cash only',
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'5': 'Goods and services only (no cash), PIN required',
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'6': 'No restrictions, use PIN where feasible',
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'7': 'Goods and services only (no cash), use PIN where feasible'
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}
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}
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return descriptions[str(digit)].get(code, 'Unknown')
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def parse_magnetic_stripe(data: str):
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'''
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Parse the magnetic stripe data and print the results
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:param data: The raw magnetic stripe data to parse
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'''
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track1_match = re.search(r'^%([AB])(\d{1,19})\^([^\^]{2,26})\^(\d{4})(\d{3})([^\?]*?)\?(\w?)', data)
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track2_match = re.search(r';(\d{1,19})=(\d{4})(\d{3})(.*?)\?$', data)
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track3_match = re.search(r'(\+[^\?]+\?)', data)
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if track1_match:
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format_code, pan, name, exp_date, service_code, discretionary_data, lrc = track1_match.groups()
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if format_code == 'A':
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raise ValueError('Track 1 data is using format code A which is not supported')
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formatted_pan = format_pan(pan)
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formatted_exp_date = format_exp_date(exp_date)
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desc1 = service_code_descriptions(1, service_code[0])
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desc2 = service_code_descriptions(2, service_code[1])
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desc3 = service_code_descriptions(3, service_code[2])
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print('Track 1 Data:')
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print(YELLOW + 'Format Code' + GRAY + ' | ' + RESET + f'{format_code} - Financial cards (ISO/IEC 7813)')
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print(YELLOW + 'Primary Account Number (PAN)' + GRAY + ' | ' + RESET + formatted_pan)
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print(YELLOW + 'Cardholder Name' + GRAY + ' | ' + RESET + name)
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print(YELLOW + 'Expiration Date' + GRAY + ' | ' + RESET + formatted_exp_date)
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print(YELLOW + 'Service Code Digit 1' + GRAY + ' | ' + RESET + f'{service_code[0]}: {desc1}')
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print(YELLOW + 'Service Code Digit 2' + GRAY + ' | ' + RESET + f'{service_code[1]}: {desc2}')
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print(YELLOW + 'Service Code Digit 3' + GRAY + ' | ' + RESET + f'{service_code[2]}: {desc3}')
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print(YELLOW + 'Discretionary Data' + GRAY + ' | ' + RESET + discretionary_data)
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print(YELLOW + 'LRC (optional)' + GRAY + ' | ' + RESET + lrc)
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print(YELLOW + 'Raw Track Data' + GRAY + ' | ' + RESET + track1_match.group(0))
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else:
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generic_track1 = re.search(r'(%[AB][^\?]+\?)', data)
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print('Track 1 Data:')
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print('Raw | ' + (generic_track1.group(1) if generic_track1 else 'No data found'))
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if track2_match:
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pan, exp_date, service_code, discretionary_data = track2_match.groups()
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formatted_pan = format_pan(pan)
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formatted_exp_date = format_exp_date(exp_date)
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print('Track 2 Data:')
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print(CYAN + 'Primary Account Number (PAN)' + GRAY + ' | ' + RESET + formatted_pan)
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print(CYAN + 'Expiration Date' + GRAY + ' | ' + RESET + formatted_exp_date)
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print(CYAN + 'Service Code' + GRAY + ' | ' + RESET + service_code)
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print(CYAN + 'Discretionary Data' + GRAY + ' | ' + RESET + discretionary_data)
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print(CYAN + 'Raw Track Data' + GRAY + ' | ' + RESET + track2_match.group(0))
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else:
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generic_track2 = re.search(r'(;[^\?]+\?)', data)
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print('Track 2 Data:')
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print('Raw | ' + (generic_track2.group(1) if generic_track2 else 'No data found'))
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if track3_match:
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print('Track 3 Data:')
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print(f'Raw | {track3_match.group(1)}')
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else:
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print('Track 3 Data: No data found.')
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if __name__ == '__main__':
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try:
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swipe_data = getpass.getpass(prompt='Please swipe the card: ')
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parse_magnetic_stripe(swipe_data)
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except Exception as e:
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print('Error:', e)
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