mirror of
https://github.com/markqvist/Reticulum.git
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382 lines
14 KiB
Python
382 lines
14 KiB
Python
#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import RNS
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import argparse
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import time
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import sys
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import os
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from RNS._version import __version__
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APP_NAME = "rncp"
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allow_all = False
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allowed_identity_hashes = []
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def receive(configdir, verbosity = 0, quietness = 0, allowed = [], display_identity = False, limit = None, disable_auth = None,disable_announce=False):
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global allow_all, allowed_identity_hashes
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identity = None
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targetloglevel = 3+verbosity-quietness
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reticulum = RNS.Reticulum(configdir=configdir, loglevel=targetloglevel)
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identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
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if os.path.isfile(identity_path):
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identity = RNS.Identity.from_file(identity_path)
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if identity == None:
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RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
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identity = RNS.Identity()
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identity.to_file(identity_path)
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destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "receive")
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if display_identity:
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print("Identity : "+str(identity))
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print("Receiving on : "+RNS.prettyhexrep(destination.hash))
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exit(0)
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if disable_auth:
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allow_all = True
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else:
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if allowed != None:
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for a in allowed:
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try:
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dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
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if len(a) != dest_len:
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raise ValueError("Allowed destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
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try:
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destination_hash = bytes.fromhex(a)
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allowed_identity_hashes.append(destination_hash)
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except Exception as e:
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raise ValueError("Invalid destination entered. Check your input.")
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except Exception as e:
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print(str(e))
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exit(1)
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if len(allowed_identity_hashes) < 1 and not disable_auth:
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print("Warning: No allowed identities configured, rncp will not accept any files!")
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destination.set_link_established_callback(receive_link_established)
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print("rncp ready to receive on "+RNS.prettyhexrep(destination.hash))
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if not disable_announce:
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destination.announce()
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while True:
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time.sleep(1)
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def receive_link_established(link):
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RNS.log("Incoming link established", RNS.LOG_VERBOSE)
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link.set_remote_identified_callback(receive_sender_identified)
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link.set_resource_strategy(RNS.Link.ACCEPT_APP)
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link.set_resource_callback(receive_resource_callback)
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link.set_resource_started_callback(receive_resource_started)
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link.set_resource_concluded_callback(receive_resource_concluded)
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def receive_sender_identified(link, identity):
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if identity.hash in allowed_identity_hashes:
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RNS.log("Authenticated sender", RNS.LOG_VERBOSE)
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else:
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RNS.log("Sender not allowed, tearing down link", RNS.LOG_VERBOSE)
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link.teardown()
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def receive_resource_callback(resource):
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sender_identity = resource.link.get_remote_identity()
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if sender_identity != None:
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if sender_identity.hash in allowed_identity_hashes:
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print("Allowing sender")
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return True
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print("Rejecting sender")
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return False
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def receive_resource_started(resource):
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if resource.link.get_remote_identity():
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id_str = " from "+RNS.prettyhexrep(resource.link.get_remote_identity().hash)
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else:
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id_str = ""
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print("Starting resource transfer "+RNS.prettyhexrep(resource.hash)+id_str)
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def receive_resource_concluded(resource):
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if resource.status == RNS.Resource.COMPLETE:
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print(str(resource)+" completed")
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if resource.total_size > 4:
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filename_len = int.from_bytes(resource.data.read(2), "big")
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filename = resource.data.read(filename_len).decode("utf-8")
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counter = 0
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saved_filename = filename
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while os.path.isfile(saved_filename):
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counter += 1
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saved_filename = filename+"."+str(counter)
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file = open(saved_filename, "wb")
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file.write(resource.data.read())
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file.close()
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else:
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print("Invalid data received, ignoring resource")
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else:
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print("Resource failed")
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resource_done = False
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current_resource = None
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stats = []
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speed = 0.0
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def sender_progress(resource):
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stats_max = 32
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global current_resource, stats, speed, resource_done
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current_resource = resource
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now = time.time()
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got = current_resource.get_progress()*current_resource.total_size
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entry = [now, got]
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stats.append(entry)
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while len(stats) > stats_max:
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stats.pop(0)
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span = now - stats[0][0]
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if span == 0:
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speed = 0
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else:
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diff = got - stats[0][1]
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speed = diff/span
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if resource.status < RNS.Resource.COMPLETE:
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resource_done = False
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else:
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resource_done = True
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link = None
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def send(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT):
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global current_resource, resource_done, link, speed
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from tempfile import TemporaryFile
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targetloglevel = 3+verbosity-quietness
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try:
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dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
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if len(destination) != dest_len:
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raise ValueError("Allowed destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
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try:
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destination_hash = bytes.fromhex(destination)
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except Exception as e:
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raise ValueError("Invalid destination entered. Check your input.")
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except Exception as e:
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print(str(e))
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exit(1)
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file_path = os.path.expanduser(file)
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if not os.path.isfile(file_path):
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print("File not found")
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exit(1)
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temp_file = TemporaryFile()
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real_file = open(file_path, "rb")
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filename_bytes = os.path.basename(file_path).encode("utf-8")
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filename_len = len(filename_bytes)
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if filename_len > 0xFFFF:
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print("Filename exceeds max size, cannot send")
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exit(1)
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else:
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print("Preparing file...", end=" ")
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temp_file.write(filename_len.to_bytes(2, "big"))
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temp_file.write(filename_bytes)
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temp_file.write(real_file.read())
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temp_file.seek(0)
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print("\r \r", end="")
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reticulum = RNS.Reticulum(configdir=configdir, loglevel=targetloglevel)
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identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
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if os.path.isfile(identity_path):
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identity = RNS.Identity.from_file(identity_path)
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if identity == None:
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RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
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identity = RNS.Identity()
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identity.to_file(identity_path)
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if not RNS.Transport.has_path(destination_hash):
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RNS.Transport.request_path(destination_hash)
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print("Path to "+RNS.prettyhexrep(destination_hash)+" requested ", end=" ")
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sys.stdout.flush()
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i = 0
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syms = "⢄⢂⢁⡁⡈⡐⡠"
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estab_timeout = time.time()+timeout
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while not RNS.Transport.has_path(destination_hash) and time.time() < estab_timeout:
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if not RNS.Transport.has_path(destination_hash):
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print("\r \rPath not found")
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exit(1)
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else:
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print("\r \rEstablishing link with "+RNS.prettyhexrep(destination_hash)+" ", end=" ")
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receiver_identity = RNS.Identity.recall(destination_hash)
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receiver_destination = RNS.Destination(
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receiver_identity,
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RNS.Destination.OUT,
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RNS.Destination.SINGLE,
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APP_NAME,
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"receive"
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)
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link = RNS.Link(receiver_destination)
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while link.status != RNS.Link.ACTIVE and time.time() < estab_timeout:
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if not RNS.Transport.has_path(destination_hash):
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print("\r \rCould not establish link with "+RNS.prettyhexrep(destination_hash))
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exit(1)
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else:
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print("\r \rAdvertising file resource ", end=" ")
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link.identify(identity)
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resource = RNS.Resource(temp_file, link, callback = sender_progress, progress_callback = sender_progress)
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current_resource = resource
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while resource.status < RNS.Resource.TRANSFERRING:
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if resource.status > RNS.Resource.COMPLETE:
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print("\r \rFile was not accepted by "+RNS.prettyhexrep(destination_hash))
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exit(1)
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else:
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print("\r \rTransferring file ", end=" ")
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while not resource_done:
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time.sleep(0.1)
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prg = current_resource.get_progress()
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percent = round(prg * 100.0, 1)
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stat_str = str(percent)+"% - " + size_str(int(prg*current_resource.total_size)) + " of " + size_str(current_resource.total_size) + " - " +size_str(speed, "b")+"ps"
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print("\r \rTransferring file "+syms[i]+" "+stat_str, end=" ")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if current_resource.status != RNS.Resource.COMPLETE:
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print("\r \rThe transfer failed")
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exit(1)
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else:
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print("\r \r"+str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
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link.teardown()
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time.sleep(0.25)
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real_file.close()
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temp_file.close()
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exit(0)
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def main():
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try:
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parser = argparse.ArgumentParser(description="Reticulum File Transfer Utility")
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parser.add_argument("file", nargs="?", default=None, help="file to be transferred", type=str)
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parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the receiver", type=str)
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parser.add_argument("--config", metavar="path", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
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parser.add_argument('-v', '--verbose', action='count', default=0, help="increase verbosity")
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parser.add_argument('-q', '--quiet', action='count', default=0, help="decrease verbosity")
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parser.add_argument('-p', '--print-identity', action='store_true', default=False, help="print identity and destination info and exit")
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parser.add_argument("-r", '--receive', action='store_true', default=False, help="wait for incoming files")
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parser.add_argument("-b", '--no-announce', action='store_true', default=False, help="don't announce at program start")
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parser.add_argument('-a', metavar="allowed_hash", dest="allowed", action='append', help="accept from this identity", type=str)
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parser.add_argument('-n', '--no-auth', action='store_true', default=False, help="accept files from anyone")
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parser.add_argument("-w", action="store", metavar="seconds", type=float, help="sender timeout before giving up", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
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# parser.add_argument("--limit", action="store", metavar="files", type=float, help="maximum number of files to accept", default=None)
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parser.add_argument("--version", action="version", version="rncp {version}".format(version=__version__))
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args = parser.parse_args()
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if args.receive or args.print_identity:
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receive(
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configdir = args.config,
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verbosity=args.verbose,
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quietness=args.quiet,
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allowed = args.allowed,
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display_identity=args.print_identity,
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# limit=args.limit,
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disable_auth=args.no_auth,
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disable_announce=args.no_announce,
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)
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elif args.destination != None and args.file != None:
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send(
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configdir = args.config,
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verbosity = args.verbose,
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quietness = args.quiet,
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destination = args.destination,
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file = args.file,
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timeout = args.w,
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)
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else:
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print("")
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parser.print_help()
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print("")
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except KeyboardInterrupt:
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print("")
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if resource != None:
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resource.cancel()
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if link != None:
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link.teardown()
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exit()
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def size_str(num, suffix='B'):
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units = ['','K','M','G','T','P','E','Z']
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last_unit = 'Y'
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if suffix == 'b':
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num *= 8
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units = ['','K','M','G','T','P','E','Z']
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last_unit = 'Y'
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for unit in units:
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if abs(num) < 1000.0:
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if unit == "":
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return "%.0f %s%s" % (num, unit, suffix)
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else:
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return "%.2f %s%s" % (num, unit, suffix)
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num /= 1000.0
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return "%.2f%s%s" % (num, last_unit, suffix)
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if __name__ == "__main__":
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main()
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