def cb(path, subpath, name):
if not os.path.isfile(path):
return True
packetsrc = bpio.ReadBinaryFile(path)
if not packetsrc:
try:
os.remove(
path) # if is is no good it is of no use to anyone
printlog('Validate %r removed (empty file)' % path)
except:
printlog('Validate ERROR removing %r' % path)
return False
p = signed.Unserialize(packetsrc)
if p is None:
try:
os.remove(
path) # if is is no good it is of no use to anyone
printlog('Validate %r removed (unserialize error)' %
path)
except:
printlog('Validate ERROR removing %r')
return False
result = p.Valid()
packetsrc = ''
del p
if not result:
try:
os.remove(
path) # if is is no good it is of no use to anyone
printlog('Validate %r removed (invalid packet)' % path)
except:
printlog('Validate ERROR removing %r' % path)
return False
time.sleep(0.1)
return False
def OnDataReceived(self, newpacket, result):
# we requested some data from a supplier, and just received it
if self.shutdown:
lg.warn('supplier queue is shutting down')
self.StopAllRequests()
return
if _Debug:
lg.args(_DebugLevel,
newpacket=newpacket,
result=result,
queue=len(self.fileRequestQueue),
remoteName=self.remoteName)
packetID = global_id.CanonicalID(newpacket.PacketID)
if (packetID
not in self.fileRequestQueue) or (packetID
not in self.fileRequestDict):
lg.err(
'unexpected %r received which is not in the downloading queue'
% newpacket)
else:
f_down = self.fileRequestDict[packetID]
if newpacket.Command == commands.Data():
wrapped_packet = signed.Unserialize(newpacket.Payload)
if not wrapped_packet or not wrapped_packet.Valid():
lg.err('incoming Data() packet is not valid')
f_down.event('fail-received', newpacket)
return
f_down.event('valid-data-received', wrapped_packet)
elif newpacket.Command == commands.Fail():
f_down.event('fail-received', newpacket)
else:
lg.err('incorrect response command: %r' % newpacket)
def _on_supplier_response(self, newpacket, info):
wrapped_packet = signed.Unserialize(newpacket.Payload)
if _Debug:
lg.args(_DebugLevel,
newpacket=newpacket,
wrapped_packet=wrapped_packet)
if not wrapped_packet or not wrapped_packet.Valid():
lg.err('incoming Data() is not valid')
return
supplier_idurl = wrapped_packet.RemoteID
from storage import backup_control
supplier_revision = backup_control.IncomingSupplierBackupIndex(
wrapped_packet)
self.requesting_suppliers.discard(supplier_idurl)
if supplier_revision is not None:
reactor.callLater(0, self.automat, 'index-file-received', (
newpacket,
supplier_revision,
)) # @UndefinedVariable
if _Debug:
lg.out(
_DebugLevel,
'index_synchronizer._on_supplier_response %s from %r, pending: %d, total: %d'
% (newpacket, supplier_idurl, len(self.requesting_suppliers),
self.requested_suppliers_number))
if len(self.requesting_suppliers) == 0:
reactor.callLater(0, self.automat,
'all-responded') # @UndefinedVariable
def cb(path, subpath, name):
# if not os.access(path, os.R_OK | os.W_OK):
# return False
if not os.path.isfile(path):
return True
# if name in [settings.BackupIndexFileName(),]:
# return False
packetsrc = bpio.ReadBinaryFile(path)
if not packetsrc:
try:
os.remove(path) # if is is no good it is of no use to anyone
printlog('Validate ' + path + ' removed (empty file)')
except:
printlog('Validate ERROR removing ' + path)
return False
p = signed.Unserialize(packetsrc)
if p is None:
try:
os.remove(path) # if is is no good it is of no use to anyone
printlog('Validate ' + path + ' removed (unserialize error)')
except:
printlog('Validate ERROR removing ' + path)
return False
result = p.Valid()
packetsrc = ''
del p
if not result:
try:
os.remove(path) # if is is no good it is of no use to anyone
printlog('Validate ' + path + ' removed (invalid packet)')
except:
printlog('Validate ERROR removing ' + path)
return False
time.sleep(0.1)
return False
def OnDataReceived(self, newpacket, result):
# we requested some data from a supplier, and just received it
if self.shutdown:
lg.warn('skip, supplier queue is shutting down')
self.StopAllRequests()
return
if _Debug:
lg.args(_DebugLevel, newpacket=newpacket, result=result, queue=len(self.fileRequestQueue), remoteName=self.remoteName)
packetID = global_id.CanonicalID(newpacket.PacketID)
if (packetID not in self.fileRequestQueue) or (packetID not in self.fileRequestDict):
latest_idurl = global_id.NormalizeGlobalID(packetID, as_field=True)['idurl'].latest
another_packetID = global_id.SubstitutePacketID(packetID, idurl=latest_idurl)
if (another_packetID in self.fileRequestQueue) and (another_packetID in self.fileRequestDict):
packetID = another_packetID
lg.warn('found incoming %r with outdated packet id, corrected: %r' % (newpacket, another_packetID, ))
if (packetID not in self.fileRequestQueue) or (packetID not in self.fileRequestDict):
lg.err('unexpected %r received which is not in the downloading queue' % newpacket)
else:
f_down = self.fileRequestDict[packetID]
if newpacket.Command == commands.Data():
wrapped_packet = signed.Unserialize(newpacket.Payload)
if not wrapped_packet or not wrapped_packet.Valid():
lg.err('incoming Data() packet is not valid')
f_down.event('fail-received', newpacket)
return
f_down.event('valid-data-received', wrapped_packet)
elif newpacket.Command == commands.Fail():
f_down.event('fail-received', newpacket)
else:
lg.err('incorrect response command: %r' % newpacket)
def OnDataReceived(self, newpacket, result):
# if result == 'timeout':
# packetID = global_id.CanonicalID(newpacket)
# if packetID in self.fileRequestDict:
# self.fileRequestDict[packetID].fileReceivedTime = time.time()
# self.fileRequestDict[packetID].result = 'timeout'
# for callBack in self.fileRequestDict[packetID].callOnReceived:
# callBack(None, 'timeout')
# return
# we requested some data from a supplier, just received it
packetID = global_id.CanonicalID(newpacket.PacketID)
if self.shutdown:
# if we're closing down this queue (supplier replaced, don't any anything new)
if packetID in self.fileRequestDict:
for callBack in self.fileRequestDict[packetID].callOnReceived:
callBack(newpacket, 'shutdown')
if packetID in self.fileRequestDict:
del self.fileRequestDict[packetID]
lg.warn('supplier queue is shutting down')
return
if _Debug:
lg.out(
_DebugLevel,
"io_throttle.OnDataReceived %s with result=[%s]" % (
newpacket,
result,
))
if packetID in self.fileRequestQueue:
self.fileRequestQueue.remove(packetID)
if _Debug:
lg.out(
_DebugLevel,
" removed %s from %s receiving queue, %d more items" %
(packetID, self.remoteName, len(self.fileRequestQueue)))
if newpacket.Command == commands.Data():
wrapped_packet = signed.Unserialize(newpacket.Payload)
if not wrapped_packet or not wrapped_packet.Valid():
lg.err('incoming Data() is not valid')
return
if packetID in self.fileRequestDict:
self.fileRequestDict[packetID].fileReceivedTime = time.time()
self.fileRequestDict[packetID].result = 'received'
for callBack in self.fileRequestDict[packetID].callOnReceived:
callBack(wrapped_packet, 'received')
elif newpacket.Command == commands.Fail():
if packetID in self.fileRequestDict:
self.fileRequestDict[packetID].fileReceivedTime = time.time()
self.fileRequestDict[packetID].result = 'failed'
for callBack in self.fileRequestDict[packetID].callOnReceived:
callBack(newpacket, 'failed')
else:
lg.err('incorrect response command')
if packetID in self.fileRequestDict:
del self.fileRequestDict[packetID]
if _Debug:
lg.out(
_DebugLevel,
"io_throttle.OnDataReceived %s from %s, queue=%d" %
(newpacket, self.remoteName, len(self.fileRequestQueue)))
self.DoRequest()
def doProcessInboxPacket(self, arg):
"""
Action method.
"""
newpacket, info, _, _ = arg
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.out(
2,
'proxy_receiver.doProcessInboxPacket ERROR reading data from %s'
% newpacket.CreatorID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key,
block.EncryptedData)
inpt = cStringIO.StringIO(padded_data[:int(block.Length)])
data = inpt.read()
except:
lg.out(
2,
'proxy_receiver.doProcessInboxPacket ERROR reading data from %s'
% newpacket.CreatorID)
lg.exc()
try:
inpt.close()
except:
pass
return
inpt.close()
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.out(
2,
'proxy_receiver.doProcessInboxPacket ERROR unserialize packet from %s'
% newpacket.CreatorID)
return
if _Debug:
lg.out(
_DebugLevel, '<<<Relay-IN %s from %s://%s' % (
str(routed_packet),
info.proto,
info.host,
))
packet_in.process(routed_packet, info)
del block
del data
del padded_data
del inpt
del session_key
del routed_packet
def doProcessInboxPacket(self, arg):
"""
Action method.
"""
newpacket, info, _, _ = arg
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.out(2, 'proxy_receiver.doProcessInboxPacket ERROR reading data from %s' % newpacket.CreatorID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key, block.EncryptedData)
inpt = cStringIO.StringIO(padded_data[:int(block.Length)])
data = inpt.read()
except:
lg.out(2, 'proxy_receiver.doProcessInboxPacket ERROR reading data from %s' % newpacket.CreatorID)
lg.exc()
try:
inpt.close()
except:
pass
return
inpt.close()
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.out(2, 'proxy_receiver.doProcessInboxPacket ERROR unserialize packet failed from %s' % newpacket.CreatorID)
return
if routed_packet.Command == commands.Identity():
newidentity = identity.identity(xmlsrc=routed_packet.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.warn('received new identity: %s' % idurl)
if not identitycache.UpdateAfterChecking(idurl, routed_packet.Payload):
lg.warn("ERROR has non-Valid identity")
return
if not routed_packet.Valid():
lg.out(2, 'proxy_receiver.doProcessInboxPacket ERROR invalid packet from %s' % newpacket.CreatorID)
return
self.traffic_in += len(data)
if _Debug:
lg.out(_DebugLevel, '<<<Relay-IN %s from %s://%s with %d bytes' % (
str(routed_packet), info.proto, info.host, len(data)))
packet_in.process(routed_packet, info)
del block
del data
del padded_data
del inpt
del session_key
del routed_packet
def pop_signed_message(queue_id, message_id):
existing_message = pop_message(queue_id, message_id)
if not existing_message:
return existing_message
try:
signed_data = signed.Unserialize(existing_message.payload)
except:
raise Exception('unserialize message fails')
if not signed_data:
raise Exception('unserialized message is empty')
if not signed_data.Valid():
raise Exception('unserialized message is not valid')
try:
existing_message.payload = json.loads(signed_data.Payload)
except:
raise Exception('failed reading message json data')
return existing_message
def test_signed_packet(self):
key.InitMyKey()
payload_size = 1024
attempts = 10
for i in range(attempts):
data1 = os.urandom(payload_size)
p1 = signed.Packet(
'Data',
my_id.getIDURL(),
my_id.getIDURL(),
'SomeID',
data1,
self.bob_ident.getIDURL(),
)
self.assertTrue(p1.Valid())
raw1 = p1.Serialize()
p2 = signed.Unserialize(raw1)
self.assertTrue(p2.Valid())
def pop_signed_message(queue_id, message_id):
# TODO: to be continue
existing_message = pull_message(queue_id, message_id)
if not existing_message:
return existing_message
try:
signed_data = signed.Unserialize(existing_message.payload)
except:
raise Exception('unserialize message fails')
if not signed_data:
raise Exception('unserialized message is empty')
if not signed_data.Valid():
raise Exception('unserialized message is not valid')
try:
existing_message.payload = serialization.BytesToDict(
signed_data.Payload, keys_to_text=True)
except:
raise Exception('failed reading message json data')
return existing_message
def backup_done(bid, result):
from crypt import signed
try:
os.mkdir(os.path.join(settings.getLocalBackupsDir(), bid + '.out'))
except:
pass
for filename in os.listdir(os.path.join(settings.getLocalBackupsDir(),
bid)):
filepath = os.path.join(settings.getLocalBackupsDir(), bid, filename)
payld = str(bpio.ReadBinaryFile(filepath))
outpacket = signed.Packet('Data', my_id.getLocalID(),
my_id.getLocalID(), filename, payld,
'http://megafaq.ru/cvps1010.xml')
newfilepath = os.path.join(settings.getLocalBackupsDir(), bid + '.out',
filename)
bpio.WriteBinaryFile(newfilepath, outpacket.Serialize())
# Assume we delivered all pieces from ".out" to suppliers and lost original data
# Then we requested the data back and got it into ".inp"
try:
os.mkdir(os.path.join(settings.getLocalBackupsDir(), bid + '.inp'))
except:
pass
for filename in os.listdir(
os.path.join(settings.getLocalBackupsDir(), bid + '.out')):
filepath = os.path.join(settings.getLocalBackupsDir(), bid + '.out',
filename)
data = bpio.ReadBinaryFile(filepath)
inppacket = signed.Unserialize(data)
assert inppacket
assert inppacket.Valid()
newfilepath = os.path.join(settings.getLocalBackupsDir(), bid + '.inp',
filename)
bpio.WriteBinaryFile(newfilepath, inppacket.Payload)
# Now do restore from input data
backupID = bid + '.inp'
outfd, tarfilename = tmpfile.make(
'restore',
extension='.tar.gz',
prefix=backupID.replace('/', '_') + '_',
)
r = restore_worker.RestoreWorker(backupID, outfd)
r.MyDeferred.addBoth(restore_done, tarfilename)
reactor.callLater(1, r.automat, 'init')
def test_signed_packet(self):
key.InitMyKey()
data1 = os.urandom(1024)
p1 = signed.Packet(
'Data',
my_id.getIDURL(),
my_id.getIDURL(),
'SomeID',
data1,
'RemoteID:abc',
)
self.assertTrue(p1.Valid())
raw1 = p1.Serialize()
p2 = signed.Unserialize(raw1)
self.assertTrue(p2.Valid())
raw2 = p2.Serialize()
data2 = p2.Payload
self.assertEqual(data1, data2)
self.assertEqual(raw1, raw2)
def _on_supplier_response(self, newpacket, pkt_out):
if newpacket.Command == commands.Data():
wrapped_packet = signed.Unserialize(newpacket.Payload)
if not wrapped_packet or not wrapped_packet.Valid():
lg.err('incoming Data() is not valid')
return
from storage import backup_control
backup_control.IncomingSupplierBackupIndex(wrapped_packet)
# p2p_service.SendAck(newpacket)
self.requesting_suppliers.discard(wrapped_packet.RemoteID)
elif newpacket.Command == commands.Fail():
self.requesting_suppliers.discard(newpacket.OwnerID)
else:
raise Exception('wrong type of response')
if _Debug:
lg.out(
_DebugLevel,
'index_synchronizer._on_supplier_response %s, pending: %d, total: %d'
% (newpacket, len(self.requesting_suppliers),
self.requested_suppliers_number))
if len(self.requesting_suppliers) == 0:
self.automat('all-responded')
def test_signed_packet(self):
from crypt import key
from crypt import signed
from userid import my_id
key.InitMyKey()
data1 = os.urandom(1024)
p1 = signed.Packet(
'Data',
my_id.getLocalID(),
my_id.getLocalID(),
'SomeID',
data1,
'RemoteID:abc',
)
self.assertTrue(p1.Valid())
raw1 = p1.Serialize()
p2 = signed.Unserialize(raw1)
self.assertTrue(p2.Valid())
raw2 = p2.Serialize()
data2 = p2.Payload
self.assertEqual(data1, data2)
self.assertEqual(raw1, raw2)
def inbox(info):
"""
1) The protocol modules write to temporary files and gives us that filename
2) We unserialize 3) We check that it is for us 4) We check that it is from
one of our contacts.
5) We use signed.validate() to check signature and that number
fields are numbers 6) Any other sanity checks we can do and if
anything funny we toss out the packet . 7) Then change the filename
to the PackedID that it should be. and call the right function(s)
for this new packet (encryptedblock, scrubber, remotetester,
customerservice, ...) to dispatch it to right place(s). 8) We
have to keep track of bandwidth to/from everyone, and make a report
every 24 hours which we send to BitDust sometime in the 24 hours
after that.
"""
global _LastInboxPacketTime
# if _DoingShutdown:
# if _Debug:
# lg.out(_DebugLevel - 4, "gateway.inbox ignoring input since _DoingShutdown ")
# return None
if info.filename == "" or not os.path.exists(info.filename):
lg.err("bad filename=" + info.filename)
return None
try:
data = bpio.ReadBinaryFile(info.filename)
except:
lg.err("gateway.inbox ERROR reading file " + info.filename)
return None
if len(data) == 0:
lg.err("gateway.inbox ERROR zero byte file from %s://%s" %
(info.proto, info.host))
return None
if callback.run_finish_file_receiving_callbacks(info, data):
lg.warn(
'incoming data of %d bytes was filtered out in file receiving callbacks'
% len(data))
return None
try:
newpacket = signed.Unserialize(data)
except:
lg.err("gateway.inbox ERROR during Unserialize data from %s://%s" %
(info.proto, info.host))
lg.exc()
return None
if newpacket is None:
lg.warn("newpacket from %s://%s is None" % (info.proto, info.host))
return None
# newpacket.Valid() will be called later in the flow in packet_in.handle() method
try:
Command = newpacket.Command
OwnerID = newpacket.OwnerID
CreatorID = newpacket.CreatorID
PacketID = newpacket.PacketID
Date = newpacket.Date
Payload = newpacket.Payload
RemoteID = newpacket.RemoteID
Signature = newpacket.Signature
packet_sz = len(data)
except:
lg.err("gateway.inbox ERROR during Unserialize data from %s://%s" %
(info.proto, info.host))
lg.err("data length=" + str(len(data)))
lg.exc()
# fd, filename = tmpfile.make('other', '.bad')
# os.write(fd, data)
# os.close(fd)
return None
_LastInboxPacketTime = time.time()
if _Debug:
lg.out(
_DebugLevel - 8,
"gateway.inbox [%s] signed by %s|%s (for %s) from %s://%s" %
(Command, nameurl.GetName(OwnerID), nameurl.GetName(CreatorID),
nameurl.GetName(RemoteID), info.proto, info.host))
if _Debug and lg.is_debug(_DebugLevel):
monitoring()
# control.request_update([('packet', newpacket.PacketID)])
return newpacket
from userid import my_id
bpio.init()
lg.set_debug_level(18)
settings.init()
key.InitMyKey()
if len(sys.argv) > 1:
print 'reading'
data1 = bpio.ReadBinaryFile(sys.argv[1])
print '%d bytes long, hash: %s' % (
len(data1), misc.BinaryToAscii(key.Hash(data1)).strip())
p1 = signed.Packet('Data', my_id.getLocalID(), my_id.getLocalID(),
'SomeID', data1, 'RemoteID:abc')
else:
print 'unserialize from "input"'
p1 = signed.Unserialize(bpio.ReadBinaryFile('input'))
data1 = p1.Payload
print 'serialize', p1
print ' Command:', p1.Command, type(p1.Command)
print ' OwnerID:', p1.OwnerID, type(p1.OwnerID)
print ' CreatorID:', p1.CreatorID, type(p1.CreatorID)
print ' PacketID:', p1.PacketID, type(p1.PacketID)
print ' Date:', p1.Date, type(p1.Date)
print ' Payload:', len(p1.Payload), misc.BinaryToAscii(key.Hash(
p1.Payload)).strip(), type(p1.Payload)
print ' RemoteID:', p1.RemoteID, type(p1.RemoteID)
print ' Signature:', p1.Signature, type(p1.Signature)
src1 = p1.Serialize()
print len(src1), 'bytes long'
# print len(p1.Payload), misc.BinaryToAscii(key.HashMD5(p1.Payload))
p2 = signed.Unserialize(src1)
def Retrieve(request):
"""
Customer is asking us for data he previously stored with us.
We send with ``outboxNoAck()`` method because he will ask again if
he does not get it
"""
# TODO: move to storage folder
# TODO: rename to RetrieveData()
if _Debug:
lg.out(
_DebugLevel, 'p2p_service.Retrieve [%s] by %s | %s' %
(request.PacketID, request.OwnerID, request.CreatorID))
if not driver.is_on('service_supplier'):
return SendFail(request, 'supplier service is off')
if not contactsdb.is_customer(request.OwnerID):
lg.warn("had unknown customer " + request.OwnerID)
SendFail(request, 'not a customer')
return
glob_path = global_id.ParseGlobalID(request.PacketID)
if not glob_path['path']:
# backward compatible check
glob_path = global_id.ParseGlobalID(my_id.getGlobalID() + ':' +
request.PacketID)
if not glob_path['path']:
lg.warn("got incorrect PacketID")
SendFail(request, 'incorrect PacketID')
return
if glob_path['idurl']:
if request.CreatorID == glob_path['idurl']:
if _Debug:
lg.out(_DebugLevel, ' same customer CreatorID')
else:
lg.warn(
'one of customers requesting a Data from another customer!')
else:
lg.warn('no customer global id found in PacketID: %s' %
request.PacketID)
# TODO: process requests from another customer : glob_path['idurl']
filename = makeFilename(request.OwnerID, glob_path['path'])
if filename == '':
if True:
# TODO: settings.getCustomersDataSharingEnabled() and
# driver.services()['service_supplier'].has_permissions(request.CreatorID, )
filename = makeFilename(glob_path['idurl'], glob_path['path'])
if filename == '':
lg.warn("had empty filename")
SendFail(request, 'empty filename')
return
if not os.path.exists(filename):
lg.warn("did not find requested file locally " + filename)
SendFail(request, 'did not find requested file locally')
return
if not os.access(filename, os.R_OK):
lg.warn("no read access to requested packet " + filename)
SendFail(request, 'no read access to requested packet')
return
data = bpio.ReadBinaryFile(filename)
if not data:
lg.warn("empty data on disk " + filename)
SendFail(request, 'empty data on disk')
return
outpacket = signed.Unserialize(data)
del data
if outpacket is None:
lg.warn("Unserialize fails, not Valid packet " + filename)
SendFail(request, 'unserialize fails')
return
if not outpacket.Valid():
lg.warn("unserialized packet is not Valid " + filename)
SendFail(request, 'unserialized packet is not Valid')
return
if _Debug:
lg.out(
_DebugLevel, "p2p_service.Retrieve sending %r back to %s" %
(outpacket, nameurl.GetName(outpacket.CreatorID)))
gateway.outbox(outpacket, target=outpacket.CreatorID)
def _do_process_inbox_packet(self, *args, **kwargs):
newpacket, info, _, _ = args[0]
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.err('reading data from %s' % newpacket.CreatorID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key, block.EncryptedData, session_key_type=block.SessionKeyType)
inpt = BytesIO(padded_data[:int(block.Length)])
data = inpt.read()
except:
lg.err('reading data from %s' % newpacket.CreatorID)
lg.exc()
try:
inpt.close()
except:
pass
return
inpt.close()
if newpacket.Command == commands.RelayAck():
try:
ack_info = serialization.BytesToDict(data, keys_to_text=True, values_to_text=True)
except:
lg.exc()
return
if _Debug:
lg.out(_DebugLevel, '<<<Relay-ACK %s:%s from %s://%s with %d bytes %s' % (
ack_info['command'], ack_info['packet_id'], info.proto, info.host, len(data), ack_info['error'], ))
if _PacketLogFileEnabled:
lg.out(0, ' \033[0;49;33mRELAY ACK %s(%s) with %d bytes from %s to %s TID:%s\033[0m' % (
ack_info['command'], ack_info['packet_id'], info.bytes_received,
global_id.UrlToGlobalID(ack_info['from']), global_id.UrlToGlobalID(ack_info['to']),
info.transfer_id), log_name='packet', showtime=True)
from transport.proxy import proxy_sender
if proxy_sender.A():
proxy_sender.A('relay-ack', ack_info, info)
return True
if newpacket.Command == commands.RelayFail():
try:
fail_info = serialization.BytesToDict(data, keys_to_text=True, values_to_text=True)
except:
lg.exc()
return
if _Debug:
lg.out(_DebugLevel, '<<<Relay-FAIL %s:%s from %s://%s with %d bytes %s' % (
fail_info['command'], fail_info['packet_id'], info.proto, info.host, len(data), fail_info['error'], ))
if _PacketLogFileEnabled:
lg.out(0, ' \033[0;49;33mRELAY FAIL %s(%s) with %d bytes from %s to %s TID:%s\033[0m' % (
fail_info['command'], fail_info['packet_id'], info.bytes_received,
global_id.UrlToGlobalID(fail_info['from']), global_id.UrlToGlobalID(fail_info['to']),
info.transfer_id), log_name='packet', showtime=True)
from transport.proxy import proxy_sender
if proxy_sender.A():
proxy_sender.A('relay-failed', fail_info, info)
return True
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.err('unserialize packet failed from %s' % newpacket.CreatorID)
return
if _Debug:
lg.out(_DebugLevel, '<<<Relay-IN %s from %s://%s with %d bytes' % (
str(routed_packet), info.proto, info.host, len(data)))
if _PacketLogFileEnabled:
lg.out(0, ' \033[0;49;33mRELAY IN %s(%s) with %d bytes from %s to %s TID:%s\033[0m' % (
routed_packet.Command, routed_packet.PacketID, info.bytes_received,
global_id.UrlToGlobalID(info.sender_idurl), global_id.UrlToGlobalID(routed_packet.RemoteID),
info.transfer_id), log_name='packet', showtime=True)
if routed_packet.Command == commands.Identity():
if _Debug:
lg.out(_DebugLevel, ' found identity in relay packet %s' % routed_packet)
newidentity = identity.identity(xmlsrc=routed_packet.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.info('received new identity %s rev %r' % (idurl.original(), newidentity.getRevisionValue(), ))
if not identitycache.UpdateAfterChecking(idurl, routed_packet.Payload):
lg.warn("ERROR has non-Valid identity")
return
if routed_packet.Command in [commands.Relay(), commands.RelayIn(), ] and routed_packet.PacketID.lower().startswith('identity:'):
if _Debug:
lg.out(_DebugLevel, ' found routed identity in relay packet %s' % routed_packet)
try:
routed_identity = signed.Unserialize(routed_packet.Payload)
newidentity = identity.identity(xmlsrc=routed_identity.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.warn('received new "routed" identity: %s' % idurl)
if not identitycache.UpdateAfterChecking(idurl, routed_identity.Payload):
lg.warn("ERROR has non-Valid identity")
return
except:
lg.exc()
if newpacket.Command == commands.RelayIn() and routed_packet.Command == commands.Fail():
if routed_packet.Payload == b'route not exist' or routed_packet.Payload == b'route already closed':
for pout in packet_out.search_by_packet_id(routed_packet.PacketID):
lg.warn('received %r from %r, outgoing packet is failed: %r' % (routed_packet.Payload, newpacket.CreatorID, pout, ))
pout.automat('request-failed')
return
self.traffic_in += len(data)
packet_in.process(routed_packet, info)
del block
del data
del padded_data
del inpt
del session_key
del routed_packet
def inbox(info):
"""
1) The protocol modules write to temporary files and gives us that filename
2) We unserialize
3) We check that it is for us
4) We check that it is from one of our contacts.
5) We use signed.validate() to check signature and that number fields are numbers
6) Any other sanity checks we can do and if anything funny we toss out the packet
7) Then change the filename to the PackedID that it should be
and call the right function(s) for this new packet:
(encryptedblock, scrubber, remotetester, customerservice, ...)
to dispatch it to right place(s).
"""
global _LastInboxPacketTime
# if _DoingShutdown:
# if _Debug:
# lg.out(_DebugLevel, "gateway.inbox ignoring input since _DoingShutdown ")
# return None
if _Debug:
lg.out(_DebugLevel, "gateway.inbox [%s]" % info.filename)
if info.filename == "" or not os.path.exists(info.filename):
lg.err("bad filename=" + info.filename)
return None
try:
data = bpio.ReadBinaryFile(info.filename)
except:
lg.err("gateway.inbox ERROR reading file " + info.filename)
return None
if len(data) == 0:
lg.err("gateway.inbox ERROR zero byte file from %s://%s" %
(info.proto, info.host))
return None
if callback.run_finish_file_receiving_callbacks(info, data):
lg.warn(
'incoming data of %d bytes was filtered out in file receiving callbacks'
% len(data))
return None
try:
newpacket = signed.Unserialize(data)
except:
lg.err("gateway.inbox ERROR during Unserialize data from %s://%s" %
(info.proto, info.host))
lg.exc()
return None
if newpacket is None:
lg.warn("newpacket from %s://%s is None" % (info.proto, info.host))
return None
# newpacket.Valid() will be called later in the flow in packet_in.handle() method
try:
Command = newpacket.Command
OwnerID = newpacket.OwnerID
CreatorID = newpacket.CreatorID
PacketID = newpacket.PacketID
Date = newpacket.Date
Payload = newpacket.Payload
RemoteID = newpacket.RemoteID
Signature = newpacket.Signature
packet_sz = len(data)
except:
lg.err("gateway.inbox ERROR during Unserialize data from %s://%s" %
(info.proto, info.host))
lg.err("data length=" + str(len(data)))
lg.exc()
return None
_LastInboxPacketTime = time.time()
if _Debug:
lg.out(
_DebugLevel - 2,
"gateway.inbox [%s] signed by %s|%s (for %s) from %s://%s" %
(Command, nameurl.GetName(OwnerID), nameurl.GetName(CreatorID),
nameurl.GetName(RemoteID), info.proto, info.host))
if _PacketLogFileEnabled:
lg.out(
0,
' \033[1;49;92mINBOX %s(%s) %s %s for %s\033[0m' % (
newpacket.Command,
newpacket.PacketID,
global_id.UrlToGlobalID(newpacket.OwnerID),
global_id.UrlToGlobalID(newpacket.CreatorID),
global_id.UrlToGlobalID(newpacket.RemoteID),
),
log_name='packet',
showtime=True)
return newpacket
def on_retrieve(newpacket):
# external customer must be able to request
# TODO: add validation of public key
# if not contactsdb.is_customer(newpacket.OwnerID):
# lg.err("had unknown customer %s" % newpacket.OwnerID)
# p2p_service.SendFail(newpacket, 'not a customer')
# return False
glob_path = global_id.ParseGlobalID(newpacket.PacketID)
if not glob_path['path']:
# backward compatible check
glob_path = global_id.ParseGlobalID(
my_id.getGlobalID('master') + ':' + newpacket.PacketID)
if not glob_path['path']:
lg.err("got incorrect PacketID")
p2p_service.SendFail(newpacket, 'incorrect path')
return False
if not glob_path['idurl']:
lg.warn('no customer global id found in PacketID: %s' %
newpacket.PacketID)
p2p_service.SendFail(newpacket, 'incorrect retrieve request')
return False
if newpacket.CreatorID != glob_path['idurl']:
lg.warn('one of customers requesting a Data from another customer!')
else:
pass # same customer, based on CreatorID : OK!
recipient_idurl = newpacket.OwnerID
# TODO: process requests from another customer : glob_path['idurl']
filename = make_valid_filename(newpacket.OwnerID, glob_path)
if not filename:
if True:
# TODO: settings.getCustomersDataSharingEnabled() and
# SECURITY
# TODO: add more validations for receiver idurl
# recipient_idurl = glob_path['idurl']
filename = make_valid_filename(glob_path['idurl'], glob_path)
if not filename:
lg.warn("had empty filename")
p2p_service.SendFail(newpacket, 'empty filename')
return False
if not os.path.exists(filename):
lg.warn("did not found requested file locally : %s" % filename)
p2p_service.SendFail(newpacket, 'did not found requested file locally')
return False
if not os.access(filename, os.R_OK):
lg.warn("no read access to requested packet %s" % filename)
p2p_service.SendFail(newpacket, 'no read access to requested packet')
return False
data = bpio.ReadBinaryFile(filename)
if not data:
lg.warn("empty data on disk %s" % filename)
p2p_service.SendFail(newpacket, 'empty data on disk')
return False
stored_packet = signed.Unserialize(data)
del data
if stored_packet is None:
lg.warn("Unserialize failed, not Valid packet %s" % filename)
p2p_service.SendFail(newpacket, 'unserialize failed')
return False
if not stored_packet.Valid():
lg.warn("Stored packet is not Valid %s" % filename)
p2p_service.SendFail(newpacket, 'stored packet is not valid')
return False
if stored_packet.Command != commands.Data():
lg.warn('sending back packet which is not a Data')
# here Data() packet is sent back as it is...
# that means outpacket.RemoteID=my_id.getIDURL() - it was addressed to that node and stored as it is
# need to take that in account every time you receive Data() packet
# it can be not a new Data(), but the old data returning back as a response to Retreive() packet
# let's create a new Data() packet which will be addressed directly to recipient and "wrap" stored data inside it
routed_packet = signed.Packet(
Command=commands.Data(),
OwnerID=stored_packet.OwnerID,
CreatorID=my_id.getIDURL(),
PacketID=stored_packet.PacketID,
Payload=stored_packet.Serialize(),
RemoteID=recipient_idurl,
)
if recipient_idurl == stored_packet.OwnerID:
lg.info('from request %r : sending %r back to owner: %s' %
(newpacket, stored_packet, recipient_idurl))
gateway.outbox(routed_packet) # , target=recipient_idurl)
return True
lg.info('from request %r : returning data owned by %s to %s' %
(newpacket, stored_packet.OwnerID, recipient_idurl))
gateway.outbox(routed_packet)
return True
def _on_retreive(self, newpacket):
import os
from logs import lg
from system import bpio
from userid import my_id
from userid import global_id
from crypt import signed
from contacts import contactsdb
from transport import gateway
from p2p import p2p_service
from p2p import commands
if not contactsdb.is_customer(newpacket.OwnerID):
lg.err("had unknown customer %s" % newpacket.OwnerID)
p2p_service.SendFail(newpacket, 'not a customer')
return False
glob_path = global_id.ParseGlobalID(newpacket.PacketID)
if not glob_path['path']:
# backward compatible check
glob_path = global_id.ParseGlobalID(
my_id.getGlobalID('master') + ':' + newpacket.PacketID)
if not glob_path['path']:
lg.err("got incorrect PacketID")
p2p_service.SendFail(newpacket, 'incorrect path')
return False
if glob_path['idurl']:
if newpacket.CreatorID == glob_path['idurl']:
pass # same customer, based on CreatorID : OK!
else:
lg.warn(
'one of customers requesting a Data from another customer!'
)
else:
lg.warn('no customer global id found in PacketID: %s' %
newpacket.PacketID)
# TODO: process requests from another customer : glob_path['idurl']
filename = self._do_make_valid_filename(newpacket.OwnerID, glob_path)
if not filename:
if True:
# TODO: settings.getCustomersDataSharingEnabled() and
# SECURITY
filename = self._do_make_valid_filename(
glob_path['idurl'], glob_path)
if not filename:
lg.warn("had empty filename")
p2p_service.SendFail(newpacket, 'empty filename')
return False
if not os.path.exists(filename):
lg.warn("did not find requested file locally : %s" % filename)
p2p_service.SendFail(newpacket,
'did not find requested file locally')
return False
if not os.access(filename, os.R_OK):
lg.warn("no read access to requested packet %s" % filename)
p2p_service.SendFail(newpacket,
'no read access to requested packet')
return False
data = bpio.ReadBinaryFile(filename)
if not data:
lg.warn("empty data on disk %s" % filename)
p2p_service.SendFail(newpacket, 'empty data on disk')
return False
outpacket = signed.Unserialize(data)
del data
if outpacket is None:
lg.warn("Unserialize fails, not Valid packet %s" % filename)
p2p_service.SendFail(newpacket, 'unserialize fails')
return False
if not outpacket.Valid():
lg.warn("unserialized packet is not Valid %s" % filename)
p2p_service.SendFail(newpacket, 'unserialized packet is not Valid')
return False
if outpacket.Command != commands.Data():
lg.warn('sending back packet which is not a Data')
# here Data() packet is sent back as it is...
# that means outpacket.RemoteID=my_id.getLocalID() - it was addressed to that node and stored as it is
# need to take that in account every time you receive Data() packet
# it can be not a new Data(), but the old data returning back as a response to Retreive() packet
lg.warn('from request %r : sending %r back to %s' %
(newpacket, outpacket, outpacket.CreatorID))
gateway.outbox(outpacket, target=outpacket.CreatorID)
return True
def _do_forward_outbox_packet(self, outpacket_info_tuple):
"""
This packet addressed to me but contain routed data to be transferred to another node.
I will decrypt with my private key and send to outside world further.
"""
newpacket, info = outpacket_info_tuple
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR reading data from %s'
% newpacket.RemoteID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key,
block.EncryptedData)
inpt = BytesIO(padded_data[:int(block.Length)])
# see proxy_sender.ProxySender : _on_first_outbox_packet() for sending part
json_payload = serialization.BytesToDict(inpt.read(),
keys_to_text=True)
inpt.close()
sender_idurl = json_payload['f'] # from
receiver_idurl = json_payload['t'] # to
wide = json_payload['w'] # wide
routed_data = json_payload['p'] # payload
except:
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR reading data from %s'
% newpacket.RemoteID)
lg.exc()
try:
inpt.close()
except:
pass
return
route = self.routes.get(sender_idurl, None)
if not route:
inpt.close()
lg.warn('route with %s not found' % (sender_idurl))
p2p_service.SendFail(newpacket,
'route not exist',
remote_idurl=sender_idurl)
return
routed_packet = signed.Unserialize(routed_data)
if not routed_packet or not routed_packet.Valid():
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR unserialize packet from %s'
% newpacket.RemoteID)
return
# send the packet directly to target user_id
# we pass not callbacks because all response packets from this call will be also re-routed
pout = packet_out.create(
routed_packet,
wide=wide,
callbacks={},
target=receiver_idurl,
)
if _Debug:
lg.out(
_DebugLevel,
'>>>Relay-IN-OUT %d bytes from %s at %s://%s :' % (
len(routed_data),
nameurl.GetName(sender_idurl),
info.proto,
info.host,
))
lg.out(
_DebugLevel, ' routed to %s : %s' %
(nameurl.GetName(receiver_idurl), pout))
del block
del routed_data
del padded_data
del route
del inpt
del session_key
del routed_packet
def _do_process_inbox_packet(self, *args, **kwargs):
newpacket, info, _, _ = args[0]
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.err('reading data from %s' % newpacket.CreatorID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key, block.EncryptedData)
inpt = BytesIO(padded_data[:int(block.Length)])
data = inpt.read()
except:
lg.err('reading data from %s' % newpacket.CreatorID)
lg.exc()
try:
inpt.close()
except:
pass
return
inpt.close()
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.err('unserialize packet failed from %s' % newpacket.CreatorID)
return
if _Debug:
lg.out(_DebugLevel, '<<<Relay-IN %s from %s://%s with %d bytes' % (
str(routed_packet), info.proto, info.host, len(data)))
if routed_packet.Command == commands.Identity():
if _Debug:
lg.out(_DebugLevel, ' found identity in relay packet %s' % routed_packet)
newidentity = identity.identity(xmlsrc=routed_packet.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.info('received new identity: %s' % idurl)
if not identitycache.UpdateAfterChecking(idurl, routed_packet.Payload):
lg.warn("ERROR has non-Valid identity")
return
if routed_packet.Command == commands.Relay() and routed_packet.PacketID.lower() == 'identity':
if _Debug:
lg.out(_DebugLevel, ' found routed identity in relay packet %s' % routed_packet)
try:
routed_identity = signed.Unserialize(routed_packet.Payload)
newidentity = identity.identity(xmlsrc=routed_identity.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.warn('received new "routed" identity: %s' % idurl)
if not identitycache.UpdateAfterChecking(idurl, routed_identity.Payload):
lg.warn("ERROR has non-Valid identity")
return
except:
lg.exc()
# if not routed_packet.Valid():
# lg.err('invalid packet %s from %s' % (
# routed_packet, newpacket.CreatorID, ))
# return
self.traffic_in += len(data)
packet_in.process(routed_packet, info)
del block
del data
del padded_data
del inpt
del session_key
del routed_packet
def doForwardOutboxPacket(self, arg):
"""
Action method.
"""
# decrypt with my key and send to outside world
newpacket, info = arg
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR reading data from %s'
% newpacket.RemoteID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(session_key,
block.EncryptedData)
inpt = cStringIO.StringIO(padded_data[:int(block.Length)])
sender_idurl = inpt.readline().rstrip('\n')
receiver_idurl = inpt.readline().rstrip('\n')
wide = inpt.readline().rstrip('\n')
wide = wide == 'wide'
except:
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR reading data from %s'
% newpacket.RemoteID)
lg.exc()
try:
inpt.close()
except:
pass
return
route = self.routes.get(sender_idurl, None)
if not route:
inpt.close()
lg.warn('route with %s not found' % (sender_idurl))
p2p_service.SendFail(newpacket,
'route not exist',
remote_idurl=sender_idurl)
return
data = inpt.read()
inpt.close()
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.out(
2,
'proxy_router.doForwardOutboxPacket ERROR unserialize packet from %s'
% newpacket.RemoteID)
return
# send the packet directly to target user_id
# we pass not callbacks because all response packets from this call will be also re-routed
pout = packet_out.create(
routed_packet,
wide=wide,
callbacks={},
target=receiver_idurl,
)
# gateway.outbox(routed_packet, wide=wide)
if _Debug:
lg.out(
_DebugLevel, '>>>Relay-OUT %d bytes from %s at %s://%s :' % (
len(data),
nameurl.GetName(sender_idurl),
info.proto,
info.host,
))
lg.out(
_DebugLevel, ' routed to %s : %s' %
(nameurl.GetName(receiver_idurl), pout))
del block
del data
del padded_data
del route
del inpt
del session_key
del routed_packet
def _do_process_inbox_packet(self, *args, **kwargs):
newpacket, info, _, _ = args[0]
block = encrypted.Unserialize(newpacket.Payload)
if block is None:
lg.err('reading data from %s' % newpacket.CreatorID)
return
try:
session_key = key.DecryptLocalPrivateKey(block.EncryptedSessionKey)
padded_data = key.DecryptWithSessionKey(
session_key,
block.EncryptedData,
session_key_type=block.SessionKeyType)
inpt = BytesIO(padded_data[:int(block.Length)])
data = inpt.read()
except:
lg.err('reading data from %s' % newpacket.CreatorID)
lg.exc()
try:
inpt.close()
except:
pass
return
inpt.close()
routed_packet = signed.Unserialize(data)
if not routed_packet:
lg.err('unserialize packet failed from %s' % newpacket.CreatorID)
return
if _Debug:
lg.out(
_DebugLevel, '<<<Relay-IN %s from %s://%s with %d bytes' %
(str(routed_packet), info.proto, info.host, len(data)))
if _PacketLogFileEnabled:
lg.out(
0,
' \033[0;49;33mRELAY IN %s(%s) with %d bytes from %s to %s TID:%s\033[0m'
% (routed_packet.Command, routed_packet.PacketID,
info.bytes_received,
global_id.UrlToGlobalID(info.sender_idurl),
global_id.UrlToGlobalID(
routed_packet.RemoteID), info.transfer_id),
log_name='packet',
showtime=True)
if routed_packet.Command == commands.Identity():
if _Debug:
lg.out(_DebugLevel,
' found identity in relay packet %s' % routed_packet)
newidentity = identity.identity(xmlsrc=routed_packet.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.info('received new identity %s rev %r' % (
idurl.original(),
newidentity.getRevisionValue(),
))
if not identitycache.UpdateAfterChecking(idurl,
routed_packet.Payload):
lg.warn("ERROR has non-Valid identity")
return
if routed_packet.Command == commands.Relay(
) and routed_packet.PacketID.lower().startswith('identity:'):
if _Debug:
lg.out(
_DebugLevel,
' found routed identity in relay packet %s' %
routed_packet)
try:
routed_identity = signed.Unserialize(routed_packet.Payload)
newidentity = identity.identity(xmlsrc=routed_identity.Payload)
idurl = newidentity.getIDURL()
if not identitycache.HasKey(idurl):
lg.warn('received new "routed" identity: %s' % idurl)
if not identitycache.UpdateAfterChecking(
idurl, routed_identity.Payload):
lg.warn("ERROR has non-Valid identity")
return
except:
lg.exc()
# if not routed_packet.Valid():
# lg.err('invalid packet %s from %s' % (
# routed_packet, newpacket.CreatorID, ))
# return
self.traffic_in += len(data)
packet_in.process(routed_packet, info)
del block
del data
del padded_data
del inpt
del session_key
del routed_packet
