mirror of
https://github.com/UberGuidoZ/Flipper.git
synced 2024-12-22 14:30:21 +00:00
127 lines
3.0 KiB
Python
127 lines
3.0 KiB
Python
#!/usr/local/bin/python3
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"""
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Generates NFC with URL address data and outputs Flipper NFC "save" file
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this is a 5 min hack, No Guarantees
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python3 gen_url_nfc.py https://youtu.be/dQw4w9WgXcQ "Rick Roll". > rickroll.nfc
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requires ndeflib
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"""
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import sys
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import ndef
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verbose = 1
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nfc_header = """Filetype: Flipper NFC device
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Version: 2
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# Nfc device type can be UID, Mifare Ultralight, Mifare Classic, Bank card
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Device type: NTAG215
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# UID, ATQA and SAK are common for all formats
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UID: 04 10 56 01 74 48 03
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ATQA: 44 00
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SAK: 00
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# Mifare Ultralight specific data
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Signature: A5 80 A4 CC A0 C3 A1 F6 8B BE 6F EE 83 A6 B9 EE 36 F8 FB C8 14 5A 23 AA 29 DB 78 56 07 B9 6B 92
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Mifare version: 00 04 04 02 01 00 11 03
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Counter 0: 0
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Tearing 0: 00
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Counter 1: 0
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Tearing 1: 00
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Counter 2: 0
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Tearing 2: 00
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Pages total: 135
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"""
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data_static = [
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0x04, 0x10, 0x56, 0xCA, # 01 serial number
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0x01, 0x74, 0x48, 0x03, # 02 serial number
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0x3E, 0x48, 0x00, 0x00, # 03 serial number, internal, lock bytes, lock bytes
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0xE1, 0x10, 0x3E, 0x00, # 04 Capability Container
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]
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conf_pages = [
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0x00, 0x00, 0x00, 0xBD, # 130
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0x04, 0x00, 0x00, 0xFF, # 131
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0x00, 0x05, 0x00, 0x00, # 132
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0x00, 0x00, 0x00, 0x00, # 133
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0x00, 0x00, 0x00, 0x00, # 134
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]
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def print_nfc_sub(t_data, file=sys.stdout):
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print(nfc_header, end='', file=file)
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p = 0
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for x in range(0, 540, 4):
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print(f"Page {p}: {t_data[x]:02X} {t_data[x +1]:02X} "
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f"{t_data[x +2]:02X} {t_data[x +3]:02X}", file=file)
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p = p + 1
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def gen_nfc_sub(tag_data):
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tag_message = []
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data_list = []
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for x in tag_data:
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if x[0] == 'txt':
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tag_message.append( ndef.TextRecord(x[1], "en") )
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elif x[0] == 'url':
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tag_message.append(ndef.UriRecord(x[1]))
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if verbose:
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print(x, file=sys.stderr)
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print(tag_message[-1:], file=sys.stderr)
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buf = b"".join((ndef.message_encoder(tag_message)))
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m_len = len(buf)
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if verbose:
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print("buf", m_len, hex(m_len), buf, file=sys.stderr)
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data_list.extend(data_static)
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data_list.append(3) # Message Flags
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data_list.append(m_len) # Type Length
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data_list.extend(list(buf))
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data_list.append(0xFE) # end of Data
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data_len = len(data_list)
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if verbose:
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print("data_list", data_len, data_list, file=sys.stderr)
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x = 520 - data_len
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data_list.extend([0] * x)
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data_list.extend(conf_pages)
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return data_list
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# url_str = "https://youtu.be/dQw4w9WgXcQ"
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# title_str = "Rick Roll"
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if __name__ == '__main__':
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arg_data = []
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for a in sys.argv[1:]:
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if a.startswith("http"):
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arg_data.append( ("url", a) )
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else:
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arg_data.append( ("txt", a) )
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if not arg_data:
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print("requires at least one argument\n"
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"Please provide URL and optional Title\n\n"
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f"{sys.argv[0]} : https://some.url 'Title'")
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sys.exit()
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nfc_data = gen_nfc_sub(arg_data)
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print_nfc_sub(nfc_data)
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sys.exit() |