#🔒 How to detect individual files sent over socket?

15 messages · Page 1 of 1 (latest)

glass tapirBOT
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Hey @plush marsh!

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#

@plush marsh

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plush marsh
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Not sure what happend to my description but it got automatically deleted when I posted

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using this:

for path in pathlib.Path(Paths.my_datadir).iterdir():
        ...
        #print(path)
        if 'zip' in str(path):
            ...
            try:
                f = open(path, 'rb')
                Net.Send({'subject': 'data', 'header': 'upload started'})
                while True:
                    ...
                    read = f.read(Net.buffer)
                    print(f'buffer data: {read}')

                    if not read:
                        break
                    sleep(1)
                Net.Send({'subject': 'data', 'footer': 'upload finished'})
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i sent: buffer data: b'PK\x03\x04\x14\x00\x00\x00\x08\x00\xdd\xb99XZH\x8e\xd2\xbd\x10\x00\x00\xc8\x10\x00\x00\x05\x00\x00\x00w.p12e\x96uT\x13\x8e\xbb\xc6\xd9\x18#\x1c\x8d\xa4t\xf7F\xa7\x12\x02\x82\xe4\x08\xa5\xeb+9\xba\x1b\x06\x0cA\x1a\xa4d\x84\xd4\x84\x11\xd2HH\xc8\x08i\x14\x04\x04a\xa8H\x83\xa4\xe4\xcf\xdf9\xf7\xde\xdf\xbd\xe7\xfe\xf1\x9e\xf7\xbc\x9f\xe7<\xef\xbf\xcf\x03ER}\x00\x02\x08\xa1H\xaa$0\xa9\x10\xea\x11\xea\x8c\x1c@\x0c(AR\x85\x81\x90TA\x7f\xb1\x1f\x14I2\xff\x1f\t\\x82$\x19\xfe\x8b\xfe\x9a\x08\xfe\xae\xee\xffe\x82\xde\x03\x93\xfd\xd7\x01\xf9\xfb\x91\x02D\x92Gp\x8f?...

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buffer data: b'\xb9\x7f\xcefEh\x16J\t"\xa5\x7f\xab\xebj\xceg\x0f\x9d9S\xcbsIE\xed\xee\x99\xf2vM%\xfd3\xc2\xf5\x9a\x01\x19\xbe\x149)\x9c\x88\xb1(\xb5\xcaH\n\x90\xbe&y\xb7\xfa\xd9>\xa9\x84\xaf@\x88{\xd2\x93)<l\xd1\xa6\xe7\xb2\x89FO\xb1C \xbe\x92\xea\x1f^hT\xd3"\xb0I\xdd\x92\xfd\xd6\x1a\xa7F\xbf\xcb\xefX~yK\x1fS\x84\x05\x82\x8f}Y0\xe4\xe8\x0c\xc9\x8f4;\xa4K\xcd\x94\xefh\xed\xe8rP\xea\xffIWR:\x18\x88\rH\x10\x04\xe5\xfe\x0f\xba\x0b\xa3\x07\xd15r\xa4\xea\xe0\xf2\x08,\x9f\x17\xe4\xbb\n\x0e\x12\x12\x89\x1a\n\xd7@aPN()\x98H\x98\x82\x10\xc8LD\x00\xa2\x0b\xda\x17\xd0\x84\x0f\xf9\x1b]\xe5T\x06\xdd\xdef8\xc0\x8e\x1fA$\xc9p\t\xda\xb0\x0c`\xea\xbf\x83\xf7_PK\x01\x02\x14\x00\x14\x00\x00\x00\x08\x00\xdd\xb99XZH\x8e\xd2\xbd\x10\x00\x00\xc8\x10\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xb6\x81\x00\x00\x00\x00w.p12PK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x003\x00\x00\x00\xe0\x10\x00\x00\x00\x00'

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beccause it only 1024 bytes per chunk, i notice that beginning files have "PK" and ending have 'x00'

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using these would it help differentiate spearate files?

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separate

willow locust
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No.

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The proper way to do this is to prepend a header that describes the data (including length)

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And then when you read you check if you have a full payload and then do work with it

carmine crescent
glass tapirBOT
#
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