magic-wormhole/src/wormhole/send_file.py

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2015-02-11 00:50:32 +00:00
import os, sys, json
from binascii import hexlify
from nacl.secret import SecretBox
from nacl import utils
from . import api
APPID = "lothar.com/wormhole/file-xfer"
RELAY = "example.com"
# we're sending
filename = sys.argv[1]
assert os.path.isfile(filename)
xfer_key = utils.random(SecretBox.KEY_SIZE)
blob = json.dumps({"xfer_key": hexlify(xfer_key),
"filename": os.path.basename(filename),
"filesize": os.stat(filename).st_size,
"relay": RELAY,
}).encode("utf-8")
i = api.Initiator(APPID, blob)
code = i.start()
print("Wormhole code is '%s'" % code)
print("On the other computer, please run:")
print()
print(" wormhole-receive-file %s" % code)
print()
them_bytes = i.finish()
them_d = json.loads(them_bytes.decode("utf-8"))
print("them: %r" % (them_d,))
# now draw the rest of the owl