745 lines
28 KiB
Python
745 lines
28 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 threading
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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 listen(configdir, verbosity = 0, quietness = 0, allowed = [], display_identity = False, limit = None, disable_auth = None, announce = False):
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global allow_all, allowed_identity_hashes
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from tempfile import TemporaryFile
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identity = None
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if announce < 0:
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announce = False
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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("Listening 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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dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
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try:
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allowed_file_name = "allowed_identities"
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allowed_file = None
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if os.path.isfile(os.path.expanduser("/etc/rncp/"+allowed_file_name)):
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allowed_file = os.path.expanduser("/etc/rncp/"+allowed_file_name)
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elif os.path.isfile(os.path.expanduser("~/.config/rncp/"+allowed_file_name)):
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allowed_file = os.path.expanduser("~/.config/rncp/"+allowed_file_name)
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elif os.path.isfile(os.path.expanduser("~/.rncp/"+allowed_file_name)):
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allowed_file = os.path.expanduser("~/.rncp/"+allowed_file_name)
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if allowed_file != None:
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af = open(allowed_file, "r")
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al = af.read().replace("\r", "").split("\n")
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ali = []
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for a in al:
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if len(a) == dest_len:
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ali.append(a)
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if len(ali) > 0:
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if not allowed:
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allowed = ali
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else:
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allowed.extend(ali)
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if len(ali) == 1:
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ms = "y"
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else:
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ms = "ies"
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RNS.log("Loaded "+str(len(ali))+" allowed identit"+ms+" from "+str(allowed_file), RNS.LOG_VERBOSE)
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except Exception as e:
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RNS.log("Error while parsing allowed_identities file. The contained exception was: "+str(e), RNS.LOG_ERROR)
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if allowed != None:
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for a in allowed:
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try:
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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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def fetch_request(path, data, request_id, link_id, remote_identity, requested_at):
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target_link = None
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for link in RNS.Transport.active_links:
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if link.link_id == link_id:
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target_link = link
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file_path = os.path.expanduser(data)
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if not os.path.isfile(file_path):
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RNS.log("Client-requested file not found: "+str(file_path), RNS.LOG_VERBOSE)
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return False
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else:
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if target_link != None:
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RNS.log("Sending file "+str(file_path)+" to client", RNS.LOG_VERBOSE)
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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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fetch_resource = RNS.Resource(temp_file, target_link)
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return True
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else:
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return None
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destination.set_link_established_callback(client_link_established)
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destination.register_request_handler("fetch_file", response_generator=fetch_request, allow=RNS.Destination.ALLOW_LIST, allowed_list=allowed_identity_hashes)
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print("rncp listening on "+RNS.prettyhexrep(destination.hash))
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if announce >= 0:
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def job():
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destination.announce()
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if announce > 0:
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while True:
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time.sleep(announce)
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destination.announce()
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threading.Thread(target=job, daemon=True).start()
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while True:
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time.sleep(1)
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def client_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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global allow_all
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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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if not allow_all:
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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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else:
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pass
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def receive_resource_callback(resource):
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global allow_all
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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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return True
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if allow_all:
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return True
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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 fetch(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False):
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global current_resource, resource_done, link, speed
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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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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("Could not load identity for rncp. The identity file at \""+str(identity_path)+"\" may be corrupt or unreadable.", RNS.LOG_ERROR)
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exit(2)
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else:
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identity = None
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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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if silent:
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print("Path to "+RNS.prettyhexrep(destination_hash)+" requested")
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else:
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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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if not silent:
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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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if silent:
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print("Path not found")
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else:
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print("\r \rPath not found")
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exit(1)
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else:
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if silent:
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print("Establishing link with "+RNS.prettyhexrep(destination_hash))
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else:
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print("\r \rEstablishing link with "+RNS.prettyhexrep(destination_hash)+" ", end=" ")
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listener_identity = RNS.Identity.recall(destination_hash)
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listener_destination = RNS.Destination(
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listener_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(listener_destination)
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while link.status != RNS.Link.ACTIVE and time.time() < estab_timeout:
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if not silent:
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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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if silent:
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print("Could not establish link with "+RNS.prettyhexrep(destination_hash))
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else:
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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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if silent:
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print("Requesting file from remote...")
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else:
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print("\r \rRequesting file from remote ", end=" ")
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link.identify(identity)
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request_resolved = False
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request_status = "unknown"
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resource_resolved = False
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resource_status = "unrequested"
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current_resource = None
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def request_response(request_receipt):
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nonlocal request_resolved, request_status
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if request_receipt.response == False:
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request_status = "not_found"
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elif request_receipt.response == None:
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request_status = "remote_error"
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else:
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request_status = "found"
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request_resolved = True
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def request_failed(request_receipt):
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nonlocal request_resolved, request_status
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request_status = "unknown"
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request_resolved = True
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def fetch_resource_started(resource):
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nonlocal resource_status
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current_resource = resource
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current_resource.progress_callback(sender_progress)
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resource_status = "started"
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def fetch_resource_concluded(resource):
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nonlocal resource_resolved, resource_status
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if resource.status == RNS.Resource.COMPLETE:
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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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resource_status = "completed"
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else:
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print("Invalid data received, ignoring resource")
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resource_status = "invalid_data"
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else:
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print("Resource failed")
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resource_status = "failed"
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resource_resolved = True
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link.set_resource_strategy(RNS.Link.ACCEPT_ALL)
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link.set_resource_started_callback(fetch_resource_started)
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link.set_resource_concluded_callback(fetch_resource_concluded)
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link.request("fetch_file", data=file, response_callback=request_response, failed_callback=request_failed)
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syms = "⢄⢂⢁⡁⡈⡐⡠"
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while not request_resolved:
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if not silent:
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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 request_status == "not_found":
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if not silent: print("\r \r", end="")
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print("Fetch request failed, the file "+str(file)+" was not found on the remote")
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link.teardown()
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time.sleep(1)
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exit(0)
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elif request_status == "remote_error":
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if not silent: print("\r \r", end="")
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print("Fetch request failed due to an error on the remote system")
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link.teardown()
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time.sleep(1)
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exit(0)
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elif request_status == "unknown":
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if not silent: print("\r \r", end="")
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print("Fetch request failed due to an unknown error (probably not authorised)")
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link.teardown()
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time.sleep(1)
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exit(0)
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elif request_status == "found":
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if not silent: print("\r \r", end="")
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while not resource_resolved:
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if not silent:
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time.sleep(0.1)
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if current_resource:
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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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else:
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print("\r \rWaiting for transfer to start "+syms[i]+" ", 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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if silent:
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print("The transfer failed")
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else:
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print("\r \rThe transfer failed")
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exit(1)
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else:
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if silent:
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print(str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
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else:
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print("\r \r"+str(file)+" fetched from "+RNS.prettyhexrep(destination_hash))
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link.teardown()
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time.sleep(0.25)
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exit(0)
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link.teardown()
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exit(0)
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def send(configdir, verbosity = 0, quietness = 0, destination = None, file = None, timeout = RNS.Transport.PATH_REQUEST_TIMEOUT, silent=False):
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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()
|
|
real_file = open(file_path, "rb")
|
|
filename_bytes = os.path.basename(file_path).encode("utf-8")
|
|
filename_len = len(filename_bytes)
|
|
|
|
if filename_len > 0xFFFF:
|
|
print("Filename exceeds max size, cannot send")
|
|
exit(1)
|
|
else:
|
|
print("Preparing file...", end=" ")
|
|
|
|
temp_file.write(filename_len.to_bytes(2, "big"))
|
|
temp_file.write(filename_bytes)
|
|
temp_file.write(real_file.read())
|
|
temp_file.seek(0)
|
|
|
|
print("\r \r", end="")
|
|
|
|
reticulum = RNS.Reticulum(configdir=configdir, loglevel=targetloglevel)
|
|
|
|
identity_path = RNS.Reticulum.identitypath+"/"+APP_NAME
|
|
if os.path.isfile(identity_path):
|
|
identity = RNS.Identity.from_file(identity_path)
|
|
if identity == None:
|
|
RNS.log("Could not load identity for rncp. The identity file at \""+str(identity_path)+"\" may be corrupt or unreadable.", RNS.LOG_ERROR)
|
|
exit(2)
|
|
else:
|
|
identity = None
|
|
|
|
if identity == None:
|
|
RNS.log("No valid saved identity found, creating new...", RNS.LOG_INFO)
|
|
identity = RNS.Identity()
|
|
identity.to_file(identity_path)
|
|
|
|
if not RNS.Transport.has_path(destination_hash):
|
|
RNS.Transport.request_path(destination_hash)
|
|
if silent:
|
|
print("Path to "+RNS.prettyhexrep(destination_hash)+" requested")
|
|
else:
|
|
print("Path to "+RNS.prettyhexrep(destination_hash)+" requested ", end=" ")
|
|
sys.stdout.flush()
|
|
|
|
i = 0
|
|
syms = "⢄⢂⢁⡁⡈⡐⡠"
|
|
estab_timeout = time.time()+timeout
|
|
while not RNS.Transport.has_path(destination_hash) and time.time() < estab_timeout:
|
|
if not silent:
|
|
time.sleep(0.1)
|
|
print(("\b\b"+syms[i]+" "), end="")
|
|
sys.stdout.flush()
|
|
i = (i+1)%len(syms)
|
|
|
|
if not RNS.Transport.has_path(destination_hash):
|
|
if silent:
|
|
print("Path not found")
|
|
else:
|
|
print("\r \rPath not found")
|
|
exit(1)
|
|
else:
|
|
if silent:
|
|
print("Establishing link with "+RNS.prettyhexrep(destination_hash))
|
|
else:
|
|
print("\r \rEstablishing link with "+RNS.prettyhexrep(destination_hash)+" ", end=" ")
|
|
|
|
receiver_identity = RNS.Identity.recall(destination_hash)
|
|
receiver_destination = RNS.Destination(
|
|
receiver_identity,
|
|
RNS.Destination.OUT,
|
|
RNS.Destination.SINGLE,
|
|
APP_NAME,
|
|
"receive"
|
|
)
|
|
|
|
link = RNS.Link(receiver_destination)
|
|
while link.status != RNS.Link.ACTIVE and time.time() < estab_timeout:
|
|
if not silent:
|
|
time.sleep(0.1)
|
|
print(("\b\b"+syms[i]+" "), end="")
|
|
sys.stdout.flush()
|
|
i = (i+1)%len(syms)
|
|
|
|
if time.time() > estab_timeout:
|
|
if silent:
|
|
print("Link establishment with "+RNS.prettyhexrep(destination_hash)+" timed out")
|
|
else:
|
|
print("\r \rLink establishment with "+RNS.prettyhexrep(destination_hash)+" timed out")
|
|
exit(1)
|
|
elif not RNS.Transport.has_path(destination_hash):
|
|
if silent:
|
|
print("No path found to "+RNS.prettyhexrep(destination_hash))
|
|
else:
|
|
print("\r \rNo path found to "+RNS.prettyhexrep(destination_hash))
|
|
exit(1)
|
|
else:
|
|
if silent:
|
|
print("Advertising file resource...")
|
|
else:
|
|
print("\r \rAdvertising file resource ", end=" ")
|
|
|
|
link.identify(identity)
|
|
resource = RNS.Resource(temp_file, link, callback = sender_progress, progress_callback = sender_progress)
|
|
current_resource = resource
|
|
|
|
while resource.status < RNS.Resource.TRANSFERRING:
|
|
if not silent:
|
|
time.sleep(0.1)
|
|
print(("\b\b"+syms[i]+" "), end="")
|
|
sys.stdout.flush()
|
|
i = (i+1)%len(syms)
|
|
|
|
|
|
if resource.status > RNS.Resource.COMPLETE:
|
|
if silent:
|
|
print("File was not accepted by "+RNS.prettyhexrep(destination_hash))
|
|
else:
|
|
print("\r \rFile was not accepted by "+RNS.prettyhexrep(destination_hash))
|
|
exit(1)
|
|
else:
|
|
if silent:
|
|
print("Transferring file...")
|
|
else:
|
|
print("\r \rTransferring file ", end=" ")
|
|
|
|
while not resource_done:
|
|
if not silent:
|
|
time.sleep(0.1)
|
|
prg = current_resource.get_progress()
|
|
percent = round(prg * 100.0, 1)
|
|
stat_str = str(percent)+"% - " + size_str(int(prg*current_resource.total_size)) + " of " + size_str(current_resource.total_size) + " - " +size_str(speed, "b")+"ps"
|
|
print("\r \rTransferring file "+syms[i]+" "+stat_str, end=" ")
|
|
sys.stdout.flush()
|
|
i = (i+1)%len(syms)
|
|
|
|
if current_resource.status != RNS.Resource.COMPLETE:
|
|
if silent:
|
|
print("The transfer failed")
|
|
else:
|
|
print("\r \rThe transfer failed")
|
|
exit(1)
|
|
else:
|
|
if silent:
|
|
print(str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
|
|
else:
|
|
print("\r \r"+str(file_path)+" copied to "+RNS.prettyhexrep(destination_hash))
|
|
link.teardown()
|
|
time.sleep(0.25)
|
|
real_file.close()
|
|
temp_file.close()
|
|
exit(0)
|
|
|
|
def main():
|
|
try:
|
|
parser = argparse.ArgumentParser(description="Reticulum File Transfer Utility")
|
|
parser.add_argument("file", nargs="?", default=None, help="file to be transferred", type=str)
|
|
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the receiver", type=str)
|
|
parser.add_argument("--config", metavar="path", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
|
|
parser.add_argument('-v', '--verbose', action='count', default=0, help="increase verbosity")
|
|
parser.add_argument('-q', '--quiet', action='count', default=0, help="decrease verbosity")
|
|
parser.add_argument("-S", '--silent', action='store_true', default=False, help="disable transfer progress output")
|
|
parser.add_argument("-l", '--listen', action='store_true', default=False, help="listen for incoming transfer requests")
|
|
parser.add_argument("-f", '--fetch', action='store_true', default=False, help="fetch file from remote listener instead of sending")
|
|
parser.add_argument("-b", action='store', metavar="seconds", default=-1, help="announce interval, 0 to only announce at startup", type=int)
|
|
parser.add_argument('-a', metavar="allowed_hash", dest="allowed", action='append', help="accept from this identity", type=str)
|
|
parser.add_argument('-n', '--no-auth', action='store_true', default=False, help="accept files from anyone")
|
|
parser.add_argument('-p', '--print-identity', action='store_true', default=False, help="print identity and destination info and exit")
|
|
parser.add_argument("-w", action="store", metavar="seconds", type=float, help="sender timeout before giving up", default=RNS.Transport.PATH_REQUEST_TIMEOUT)
|
|
# parser.add_argument("--limit", action="store", metavar="files", type=float, help="maximum number of files to accept", default=None)
|
|
parser.add_argument("--version", action="version", version="rncp {version}".format(version=__version__))
|
|
|
|
args = parser.parse_args()
|
|
|
|
if args.listen or args.print_identity:
|
|
listen(
|
|
configdir = args.config,
|
|
verbosity=args.verbose,
|
|
quietness=args.quiet,
|
|
allowed = args.allowed,
|
|
display_identity=args.print_identity,
|
|
# limit=args.limit,
|
|
disable_auth=args.no_auth,
|
|
announce=args.b,
|
|
)
|
|
|
|
elif args.fetch:
|
|
if args.destination != None and args.file != None:
|
|
fetch(
|
|
configdir = args.config,
|
|
verbosity = args.verbose,
|
|
quietness = args.quiet,
|
|
destination = args.destination,
|
|
file = args.file,
|
|
timeout = args.w,
|
|
silent = args.silent,
|
|
)
|
|
else:
|
|
print("")
|
|
parser.print_help()
|
|
print("")
|
|
|
|
elif args.destination != None and args.file != None:
|
|
send(
|
|
configdir = args.config,
|
|
verbosity = args.verbose,
|
|
quietness = args.quiet,
|
|
destination = args.destination,
|
|
file = args.file,
|
|
timeout = args.w,
|
|
silent = args.silent,
|
|
)
|
|
|
|
else:
|
|
print("")
|
|
parser.print_help()
|
|
print("")
|
|
|
|
except KeyboardInterrupt:
|
|
print("")
|
|
if resource != None:
|
|
resource.cancel()
|
|
if link != None:
|
|
link.teardown()
|
|
exit()
|
|
|
|
def size_str(num, suffix='B'):
|
|
units = ['','K','M','G','T','P','E','Z']
|
|
last_unit = 'Y'
|
|
|
|
if suffix == 'b':
|
|
num *= 8
|
|
units = ['','K','M','G','T','P','E','Z']
|
|
last_unit = 'Y'
|
|
|
|
for unit in units:
|
|
if abs(num) < 1000.0:
|
|
if unit == "":
|
|
return "%.0f %s%s" % (num, unit, suffix)
|
|
else:
|
|
return "%.2f %s%s" % (num, unit, suffix)
|
|
num /= 1000.0
|
|
|
|
return "%.2f%s%s" % (num, last_unit, suffix)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|