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https://github.com/markqvist/Reticulum.git
synced 2024-12-22 20:00:18 +00:00
Added fetch mode to rncp
This commit is contained in:
Mark Qvist
parent
254c966159
commit
b477354235
@ -35,8 +35,9 @@ 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, announce = False):
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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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@ -86,7 +87,7 @@ def receive(configdir, verbosity = 0, quietness = 0, allowed = [], display_ident
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allowed = ali
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else:
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allowed.extend(ali)
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if al == 1:
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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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@ -113,7 +114,44 @@ def receive(configdir, verbosity = 0, quietness = 0, allowed = [], display_ident
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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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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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@ -129,7 +167,7 @@ def receive(configdir, verbosity = 0, quietness = 0, allowed = [], display_ident
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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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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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@ -223,6 +261,220 @@ def sender_progress(resource):
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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")
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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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@ -399,9 +651,8 @@ def main():
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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("-S", '--silent', action='store_true', default=False, help="disable transfer progress output")
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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("-l", '--listen', action='store_true', default=False, help="listen for incoming transfer requests")
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#parser.add_argument("-f", '--fetch', action='store_true', default=False, help="fetch file from remote listener")
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parser.add_argument("-f", '--fetch', action='store_true', default=False, help="fetch file from remote listener")
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parser.add_argument("-b", action='store', metavar="seconds", default=-1, help="announce interval, 0 to only announce at startup", type=int)
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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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@ -413,7 +664,7 @@ def main():
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args = parser.parse_args()
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if args.listen or args.print_identity:
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receive(
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listen(
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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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@ -424,6 +675,22 @@ def main():
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announce=args.b,
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)
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elif args.fetch:
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if args.destination != None and args.file != None:
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fetch(
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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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silent = args.silent,
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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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elif args.destination != None and args.file != None:
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send(
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configdir = args.config,
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