def test_default():
messages.db.delete('messages', where='to_userid=2')
msgid = messages.send_message(1, 2, 'test message')
msg = messages.get_message(msgid)
assert msg.content == 'test message'
msgs = messages.get_messages(2)
assert len(list(msgs)) == 1
messages.read_message(msgid)
msg = messages.get_message(msgid)
assert msg.unread == 0
def handle_ADDR(self, addr):
try:
nodes = messages.read_message(addr)['nodes']
print("Recieved addr list from peer " + self.remote_nodeid)
for node in nodes:
print(" " + node[0] + " " + node[1])
if node[0] == self.nodeid:
print(" [!] Not connecting to " + node[0] + ": thats me!")
return
if node[1] != "SPEAKER":
print(" [ ] Not connecting to " + node[0] + ": is " +
node[1])
return
if node[0] in self.factory.peers:
print(" [ ] Not connecting to " + node[0] +
": already connected")
return
print(" [ ] Trying to connect to peer " + node[0] + " " +
node[1])
host, port = node[0].split(":")
point = TCP4ClientEndpoint(reactor, host, int(port))
d = connectProtocol(
point, MyProtocol(self.factory, "SENDHELLO", "SPEAKER"))
d.addCallback(gotProtocol)
except messages.InvalidSignatureError:
print(addr)
print("ERROR: Invalid addr sign ", self.remote_ip)
self.transport.loseConnection()
def handle_ADDR(self, addr):
try:
nodes = messages.read_message(addr)['nodes']
_print(" [<] Recieved addr list from peer " + self.remote_nodeid)
#for node in filter(lambda n: nodes[n][1] == "SEND", nodes):
for node in nodes:
_print(" [*] " + node[0] + " " + node[1])
if node[0] == self.nodeid:
_print(" [!] Not connecting to " + node[0] + ": thats me!")
return
if node[1] != "SEND":
_print(" [ ] Not connecting to " + node[0] + ": is " +
node[1])
return
if node[0] in self.factory.peers:
_print(" [ ] Not connecting to " + node[0] +
": already connected")
return
_print(" [ ] Trying to connect to peer " + node[0] + " " +
node[1])
# TODO: Use [2] and a time limit to not connect to "old" peers
host, port = node[0].split(":")
point = TCP4ClientEndpoint(reactor, host, int(port))
d = connectProtocol(point,
NCProtocol(ncfactory, "SENDHELLO", "SEND"))
d.addCallback(gotProtocol)
except messages.InvalidSignatureError:
print addr
_print(" [!] ERROR: Invalid addr sign ", self.remote_ip)
self.transport.loseConnection()
def handle_HELLO(self, hello):
try:
hello = messages.read_message(hello)
self.remote_nodeid = hello['nodeid']
self.remote_lsnport = hello['listenPort']
if self.remote_nodeid == self.nodeid:
_print(" [!] Found myself at", self.host_ip)
self.transport.loseConnection()
else:
if self.state == "GETHELLO":
my_hello = messages.create_hello_1(self.nodeid,
self.lsnport,
self.VERSION)
self.transport.write(my_hello + "\n")
self.add_peer()
self.state = "READY"
self.print_peers()
#self.write(messages.create_ping(self.nodeid))
if self.kind == "INBOUND":
# The listener pings it's audience
_print(" [P2P] Starting pinger to " + self.remote_nodeid)
self.lc_ping.start(PING_INTERVAL, now=False)
# Tell new audience about my peers
self.send_ADDR()
except messages.InvalidSignatureError:
_print(" [!] ERROR: Invalid hello sign ", self.remoteip)
self.transport.loseConnection()
def handle_ADDR(self, addr):
try:
nodes = messages.read_message(addr)['nodes']
_print(" [<] Recieved addr list from peer " + self.remote_nodeid)
#for node in filter(lambda n: nodes[n][1] == "SEND", nodes):
for node in nodes:
_print(" [*] " + node[0] + " " + node[1])
host, port = node[1].split(":")
remote_lsnport = str(node[2])
if node[0] == self.nodeid:
_print(" [!] Not connecting to " + node[0] + ": thats me!")
continue
if node[3] == "INBOUND":
port = remote_lsnport
_print(" [P2P] INBOUND connecting to " + host + ":" +
remote_lsnport)
if node[0] in self.factory.peers:
_print(" [P2P] Not connecting to " + node[0] +
": already connected")
continue
_print(" [P2P] Trying to connect to peer " + node[0] + " " +
node[1])
point = TCP4ClientEndpoint(reactor, host, int(port))
d = connectProtocol(
point, NCProtocol(self.factory, "SENDHELLO", "OUTBOUND"))
d.addCallback(runProtocol)
except messages.InvalidSignatureError:
print(addr)
_print(" [!] ERROR: Invalid addr sign ", self.remote_ip)
self.transport.loseConnection()
def handle_PONG(self, pong):
pong = messages.read_message(pong)
_print(" [<] PONG from", self.remote_nodeid, "at", self.remote_ip)
# hacky
addr, kind, listenPort = self.factory.peers[self.remote_nodeid][:3]
self.factory.peers[self.remote_nodeid] = (addr, kind, listenPort,
time())
def client_send_message(client_socket, message):
"""
Send a message and try to get a receive
"""
messages.send_message(client_socket, message)
message = messages.read_message(client_socket)
echo("[Client] Received: %s", message)
def handle_HELLO(self, hello):
try:
hello = messages.read_message(hello)
self.remote_nodeid = hello['nodeid']
self.remote_node_protocol_version = hello["protocol"]
if self.remote_nodeid == self.nodeid:
logg("[!] Found myself at %s" % self.host_ip)
self.transport.loseConnection()
else:
if self.state == "GETHELLO":
my_hello = messages.create_hello(self.nodeid, self.VERSION,
self.ProtocolVersion)
self.transport.write(my_hello + "\n")
self.add_peer()
self.state = "READY"
self.print_peers()
#self.write(messages.create_ping(self.nodeid))
if self.kind == "LISTENER":
# The listener pings it's audience
logg("[ ] Starting pinger to %s" % self.remote_ip)
self.lc_ping.start(PING_INTERVAL, now=False)
# Tell new audience about my peers
self.send_ADDR()
self.lc_sync.start(SYNC_INTERVAL, now=True)
except messages.InvalidSignatureError:
_print(" [!] ERROR: Invalid hello sign ", self.remote_ip)
self.transport.loseConnection()
def handle_HELLO(self, hello):
try:
print("Получил HELLO")
hello = messages.read_message(hello)
self.remote_nodeid = hello[
'nodeid'] #nodeid того,кто прислал письмо
if self.remote_nodeid == self.nodeid: #если я сам себе прислал
print(" [!] Found myself at", self.host_ip)
self.transport.loseConnection()
else: #если я не сам себе прислал
if self.state == "GETHELLO": #если я в состоянии GETHELLO
my_hello = messages.create_hello(
self.nodeid,
self.VERSION) #собираю свое Hello- сообщение
self.sendLine(my_hello + "\n") #отправляю
self.add_peer() # добавить данный пир в List
self.state = "READY" #ставлю себе состояние READY
if self.kind == "LISTENER": #если я СЛУШАЮ, то начинаю пинговать Пира
print(" [ ] Starting pinger to " + self.remote_nodeid)
self.lc_ping.start(PING_INTERVAL, now=False)
# Рассказываю данному ноду о моих пирах.
self.send_ADDR()
except messages.InvalidSignatureError: #если в ходе передачи были искажены данные
print(" [!] ERROR: Invalid hello sign ", self.remoteip)
self.transport.loseConnection()
def modify(message_id):
if users.login_id() == 0:
return render_template("index.html", login="******")
else:
content = messages.read_message(message_id)
return render_template("modify.html",
message_id=message_id,
content=content)
def client1(address):
# creating socket ...
client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# ... and connecting to the server
client_socket.connect(address)
# send hello message and receive echo
client_send_message(client_socket, "Hello")
# shutting down sending
client_socket.shutdown(socket.SHUT_WR)
# getting bye message from the server
echo("[Client] Received: %s", messages.read_message(client_socket))
# waiting for the server to shut down
if messages.read_message(client_socket) is None:
echo("[Client] Got EOF from Server")
client_socket.close()
def readMessagesLoop():
while True:
data = read_message()
logger.debug("data :'{}'".format(data))
# logger.debug("Data: " + data)
output = process_input(data)
if output:
write_message(output)
else:
# If processing returns None, was HUP. End processing.
break
# Reduce busywaiting.
time.sleep(INPUT_RATE_DETECTION_GAP_MS/1000)
def reply(message_id):
if users.login_id() == 0:
return render_template("index.html", login="******")
else:
user_id = messages.get_user_id(message_id)
author = users.get_useralias(user_id)
message = messages.read_message(message_id)
topic_id = messages.get_topic_id(message_id)
return render_template("reply.html",
content="",
message_id=message_id,
author=author,
message=message)
def server_connection_thread_target(connection_socket, address):
"""
Client-Server message loop. Just receiving messages and echoing back to the client.
Special message "Bye" closes the connection
WARNING: we assume that clients don't abuse the connection, i.e a client should end the connection, not the server
"""
can_send = True
try:
while True:
# reading one message from the client
message = messages.read_message(connection_socket)
if message is None:
# message is None, that means that the client has stopped sending data to the server
echo("[Server] Got EOF from Client")
# in that case we can shutdown reading
connection_socket.shutdown(socket.SHUT_RD)
# lets check if the server shut down sending first
if can_send:
# send bye message to the client ...
messages.send_message(connection_socket, "Bye bye Client")
# ... and shut down sending
connection_socket.shutdown(socket.SHUT_WR)
# nothing to send, nothing to receive, we can leave the message loop now
break
echo("[Server] Received [%s]: %s", address, message)
# lets check if the server can send messages
if can_send:
# echoing message from the client
messages.send_message(connection_socket, message)
# if we received special message from the client
if message == "Bye":
# shut down sending to the client and start only to listen for the remaining client messages
connection_socket.shutdown(socket.SHUT_WR)
can_send = False
except Exception:
echo("[Server] Connection error")
finally:
echo("[Server] Closing socket")
# close the socket
connection_socket.close()
def handle_SYNC(self, line):
logg("[>] Got reply about sync message from %s" % self.remote_nodeid)
data = messages.read_message(line)
if data["bestheight"] > CBlockchain().getBestHeight():
# we have missing blocks
diffrence = data["bestheight"] - CBlockchain().getBestHeight()
logg("We need sync, we are behind %d blocks" % diffrence)
self.factory.dialog = "Need sync"
syncme = messages.create_ask_blocks(self.nodeid,
CBlockchain().GetBestHash())
self.write(syncme)
elif data["bestheight"] == CBlockchain().getBestHeight():
self.factory.dialog = "Synced"
logg("we are synced")
def handle_SENDBLOCKS(self, line):
logg("[>] Got sendblocks message from %s" % self.remote_nodeid)
data = messages.read_message(line)
try:
thisHeight = CBlockIndex(data["besthash"]).Height()
except Exception as e:
self.transport.loseConnection()
else:
# be sure that we are not behind, and peer has genesis block
if thisHeight < CBlockchain().getBestHeight() and thisHeight >= 1:
data_block, pblock, nonce = CaBlock(thisHeight + 1).dump()
cblock = pickle.dumps(pblock)
cdatablock = pickle.dumps(data_block)
message = messages.create_send_block(self.nodeid, cdatablock,
cblock, nonce)
self.write(message)
logg("block %d send to %s" %
(thisHeight + 1, self.remote_nodeid))
def modify2(message_id, user_search, topic_search, text_search):
if users.login_id() == 0:
return render_template("index.html", login="******")
else:
user_search = user_search.strip()
topic_search = topic_search.strip()
text_search = text_search.strip()
content = messages.read_message(message_id)
if user_search == "":
user_search = "%20"
if topic_search == "":
topic_search = "%20"
if text_search == "":
text_search = "%20"
return render_template("modify2.html",
message_id=message_id,
content=content,
user_search=user_search,
topic_search=topic_search,
text_search=text_search)
def handleRECEIVEDBLOCK(self, line):
data = messages.read_message(line)
logg("Proccesing block %d from %s" %
(CBlockchain().getBestHeight() + 1, self.remote_nodeid))
data_block = pickle.loads(data["raw"])
pblock = pickle.loads(data["pblock"])
nonce = data["bnonce"]
# transactions are hashed via dict,
# when a dict changes order produces diffrent tx hash
# ordering to avoid diffrent hashes
for x in xrange(len(pblock.vtx)):
r = OrderedDict(pblock.vtx[x])
pblock.vtx[x] = dict(r.items())
# procces this block
if Proccess().thisBlock(data_block, pblock, nonce):
logg("Block accepted\n")
if CBlockchain().WriteBlock(pblock, data_block, nonce):
logg("Block successfull added to database")
def send_reply(message_id):
if users.login_id() == 0:
return render_template("index.html", login="******")
else:
author_id = messages.get_user_id(message_id)
topic_id = messages.get_topic_id(message_id)
author = users.get_useralias(author_id)
message = messages.read_message(message_id)
ref_msg = author + " kirjoitti: \n" + message
content = request.form["content"]
if isBlank(content):
return render_template("reply.html",
content="",
message_id=message_id,
author=author,
message=message,
error="Tyhjä kenttä, viestiä ei talletettu")
if messages.insert(topic_id, content, ref_msg):
return redirect("/messages/" + str(topic_id))
else:
return render_template("error.html",
message="Viestin talletus ei onnistunut")
def client2(address):
# creating socket ...
client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# ... and connecting to the server
client_socket.connect(address)
# send hello message and receive echo
client_send_message(client_socket, "Hello")
# send bye message
client_send_message(client_socket, "Bye")
# the server should sent EOF
if messages.read_message(client_socket) is None:
echo("[Client] Got EOF from server")
# shutting down read
client_socket.shutdown(socket.SHUT_RD)
# sending bye message to the server
messages.send_message(client_socket, "Bye bye Server")
messages.send_message(client_socket, "Have a good day")
client_socket.shutdown(socket.SHUT_WR)
client_socket.close()
def handle_PING(self, ping):
if messages.read_message(ping):
pong = messages.create_pong(self.nodeid)
self.sendLine(pong)
def handle_PONG(self, pong):
pong = messages.read_message(pong)
logg("[<] PONG from %s at %s" % (self.remote_nodeid, self.remote_ip))
# hacky
addr, kind = self.factory.peers[self.remote_nodeid][:2]
self.factory.peers[self.remote_nodeid] = (addr, kind, time())
def test_hello(self):
hello = messages.create_hello(self.nodeid, 0)
# check that InvalidSignatureError is not raised
return messages.read_message(hello)
def test_pong(self):
pong = messages.create_pong(self.nodeid)
# exceptions?
return messages.read_message(pong)
def test_ackhello(self):
ackhello = messages.create_ackhello(self.nodeid)
return messages.read_message(ackhello)
def test_ackhello(self):
ackhello = messages.create_ackhello(self.nodeid)
return messages.read_message(ackhello)
def test_ping(self):
ping = messages.create_ping(self.nodeid)
# check that InvalidSignatureError isn't raised
return messages.read_message(ping)
def handle_PONG(self, pong):
pong = messages.read_message(pong)
print("PONG from", self.remote_nodeid, "at", self.remote_ip)
addr, kind = self.factory.peers[self.remote_nodeid][:2]
self.factory.peers[self.remote_nodeid] = (addr, kind, time())
def test_ping(self):
ping = messages.create_ping(self.nodeid)
# check that InvalidSignatureError isn't raised
return messages.read_message(ping)
def test_pong(self):
pong = messages.create_pong(self.nodeid)
# exceptions?
return messages.read_message(pong)
def test_hello(self):
hello = messages.create_hello(self.nodeid, 0)
# check that InvalidSignatureError is not raised
return messages.read_message(hello)
