47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
from __future__ import print_function
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import os, sys, json
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from binascii import hexlify
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from nacl.secret import SecretBox
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from nacl import utils
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from wormhole.blocking.transcribe import Initiator
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from wormhole.blocking.transit import TransitSender
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APPID = "lothar.com/wormhole/file-xfer"
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# we're sending
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filename = sys.argv[1]
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assert os.path.isfile(filename)
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xfer_key = utils.random(SecretBox.KEY_SIZE)
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transit_sender = TransitSender()
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direct_hints = transit_sender.get_direct_hints()
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relay_hints = transit_sender.get_relay_hints()
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data = json.dumps({"xfer_key": hexlify(xfer_key),
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"filename": os.path.basename(filename),
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"filesize": os.stat(filename).st_size,
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"direct_connection_hints": direct_hints,
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"relay_connection_hints": relay_hints,
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}).encode("utf-8")
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i = Initiator(APPID, data)
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code = i.get_code()
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print("On the other computer, please run: receive_file")
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print("Wormhole code is '%s'" % code)
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print("")
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them_bytes = i.get_data()
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them_d = json.loads(them_bytes.decode("utf-8"))
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print("them: %r" % (them_d,))
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box = SecretBox(xfer_key)
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with open(filename, "rb") as f:
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plaintext = f.read()
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nonce = utils.random(SecretBox.NONCE_SIZE)
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encrypted = box.encrypt(plaintext, nonce)
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transit_sender.add_receiver_hints(them_d["direct_connection_hints"])
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transit_sender.establish_connection(IDS)
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transit_sender.write(encrypted)
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transit_sender.close()
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print("file sent")
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