refactor cmd_receive.py, split accept_file() to a separate function
This commit is contained in:
Brian Warner
parent
a96f29d01f
commit
1428507909
|
|
@ -4,85 +4,43 @@ from ..errors import handle_server_error
|
|||
|
||||
APPID = u"lothar.com/wormhole/text-or-file-xfer"
|
||||
|
||||
@handle_server_error
|
||||
def receive(args):
|
||||
# we're receiving text, or a file
|
||||
from ..blocking.transcribe import Wormhole, WrongPasswordError
|
||||
def accept_file(args, them_d, w):
|
||||
from ..blocking.transit import TransitReceiver, TransitError
|
||||
from .progress import start_progress, update_progress, finish_progress
|
||||
assert isinstance(args.relay_url, type(u""))
|
||||
|
||||
with Wormhole(APPID, args.relay_url) as w:
|
||||
if args.zeromode:
|
||||
assert not args.code
|
||||
args.code = u"0-"
|
||||
code = args.code
|
||||
if not code:
|
||||
code = w.input_code("Enter receive wormhole code: ", args.code_length)
|
||||
w.set_code(code)
|
||||
file_data = them_d["file"]
|
||||
# the basename() is intended to protect us against
|
||||
# "~/.ssh/authorized_keys" and other attacks
|
||||
filename = os.path.basename(file_data["filename"]) # unicode
|
||||
filesize = file_data["filesize"]
|
||||
|
||||
if args.verify:
|
||||
verifier = binascii.hexlify(w.get_verifier()).decode("ascii")
|
||||
print("Verifier %s." % verifier)
|
||||
|
||||
try:
|
||||
them_bytes = w.get_data()
|
||||
except WrongPasswordError as e:
|
||||
print("ERROR: " + e.explain(), file=sys.stderr)
|
||||
return 1
|
||||
them_d = json.loads(them_bytes.decode("utf-8"))
|
||||
if "error" in them_d:
|
||||
print("ERROR: " + them_d["error"], file=sys.stderr)
|
||||
return 1
|
||||
|
||||
if "message" in them_d:
|
||||
# we're receiving a text message
|
||||
print(them_d["message"])
|
||||
data = json.dumps({"message_ack": "ok"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 0
|
||||
|
||||
if not "file" in them_d:
|
||||
print("I don't know what they're offering\n")
|
||||
print(them_d)
|
||||
return 1
|
||||
|
||||
if "error" in them_d:
|
||||
print("ERROR: " + data["error"], file=sys.stderr)
|
||||
return 1
|
||||
|
||||
file_data = them_d["file"]
|
||||
# the basename() is intended to protect us against
|
||||
# "~/.ssh/authorized_keys" and other attacks
|
||||
filename = os.path.basename(file_data["filename"]) # unicode
|
||||
filesize = file_data["filesize"]
|
||||
|
||||
# get confirmation from the user before writing to the local directory
|
||||
if os.path.exists(filename):
|
||||
print("Error: refusing to overwrite existing file %s" % (filename,))
|
||||
data = json.dumps({"error": "file already exists"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 1
|
||||
|
||||
print("Receiving file (%d bytes) into: %s" % (filesize, filename))
|
||||
while True and not args.accept_file:
|
||||
ok = six.moves.input("ok? (y/n): ")
|
||||
if ok.lower().startswith("y"):
|
||||
break
|
||||
print("transfer rejected", file=sys.stderr)
|
||||
data = json.dumps({"error": "transfer rejected"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 1
|
||||
|
||||
transit_receiver = TransitReceiver(args.transit_helper)
|
||||
data = json.dumps({
|
||||
"file_ack": "ok",
|
||||
"transit": {
|
||||
"direct_connection_hints": transit_receiver.get_direct_hints(),
|
||||
"relay_connection_hints": transit_receiver.get_relay_hints(),
|
||||
},
|
||||
}).encode("utf-8")
|
||||
# get confirmation from the user before writing to the local directory
|
||||
if os.path.exists(filename):
|
||||
print("Error: refusing to overwrite existing file %s" % (filename,))
|
||||
data = json.dumps({"error": "file already exists"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 1
|
||||
|
||||
print("Receiving file (%d bytes) into: %s" % (filesize, filename))
|
||||
while True and not args.accept_file:
|
||||
ok = six.moves.input("ok? (y/n): ")
|
||||
if ok.lower().startswith("y"):
|
||||
break
|
||||
print("transfer rejected", file=sys.stderr)
|
||||
data = json.dumps({"error": "transfer rejected"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 1
|
||||
|
||||
transit_receiver = TransitReceiver(args.transit_helper)
|
||||
data = json.dumps({
|
||||
"file_ack": "ok",
|
||||
"transit": {
|
||||
"direct_connection_hints": transit_receiver.get_direct_hints(),
|
||||
"relay_connection_hints": transit_receiver.get_relay_hints(),
|
||||
},
|
||||
}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
# now done with the Wormhole object
|
||||
|
||||
# now receive the rest of the owl
|
||||
tdata = them_d["transit"]
|
||||
|
|
@ -118,3 +76,52 @@ def receive(args):
|
|||
record_pipe.send_record(b"ok\n")
|
||||
record_pipe.close()
|
||||
return 0
|
||||
|
||||
@handle_server_error
|
||||
def receive(args):
|
||||
# we're receiving text, or a file
|
||||
from ..blocking.transcribe import Wormhole, WrongPasswordError
|
||||
assert isinstance(args.relay_url, type(u""))
|
||||
|
||||
with Wormhole(APPID, args.relay_url) as w:
|
||||
if args.zeromode:
|
||||
assert not args.code
|
||||
args.code = u"0-"
|
||||
code = args.code
|
||||
if not code:
|
||||
code = w.input_code("Enter receive wormhole code: ", args.code_length)
|
||||
w.set_code(code)
|
||||
|
||||
if args.verify:
|
||||
verifier = binascii.hexlify(w.get_verifier()).decode("ascii")
|
||||
print("Verifier %s." % verifier)
|
||||
|
||||
try:
|
||||
them_bytes = w.get_data()
|
||||
except WrongPasswordError as e:
|
||||
print("ERROR: " + e.explain(), file=sys.stderr)
|
||||
return 1
|
||||
them_d = json.loads(them_bytes.decode("utf-8"))
|
||||
if "error" in them_d:
|
||||
print("ERROR: " + them_d["error"], file=sys.stderr)
|
||||
return 1
|
||||
|
||||
if "message" in them_d:
|
||||
# we're receiving a text message
|
||||
print(them_d["message"])
|
||||
data = json.dumps({"message_ack": "ok"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 0
|
||||
|
||||
if "error" in them_d:
|
||||
print("ERROR: " + data["error"], file=sys.stderr)
|
||||
return 1
|
||||
|
||||
if "file" in them_d:
|
||||
return accept_file(args, them_d, w)
|
||||
|
||||
print("I don't know what they're offering\n")
|
||||
print("Offer details:", them_d)
|
||||
data = json.dumps({"error": "unknown offer type"}).encode("utf-8")
|
||||
w.send_data(data)
|
||||
return 1
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user