mirror of
https://github.com/Sneed-Group/pypush-plus-plus
synced 2024-12-24 20:02:31 -06:00
110 lines
3 KiB
Python
110 lines
3 KiB
Python
# TLS server to proxy APNs traffic
|
|
|
|
import socket
|
|
import tlslite
|
|
import threading
|
|
|
|
# APNs server to proxy traffic to
|
|
APNS_HOST = "1-courier.push.apple.com"
|
|
APNS_PORT = 5223
|
|
ALPN = b"apns-security-v3"
|
|
#ALPN = b"apns-pack-v1"
|
|
|
|
# Connect to the APNs server
|
|
def connect() -> tlslite.TLSConnection:
|
|
# Connect to the APNs server
|
|
sock = socket.create_connection((APNS_HOST, APNS_PORT))
|
|
# Wrap the socket in TLS
|
|
ssock = tlslite.TLSConnection(sock)
|
|
print("Handshaking with APNs")
|
|
# Handshake with the server
|
|
ssock.handshakeClientCert(alpn=[b"apns-security-v3"])
|
|
print("Handshaked with APNs")
|
|
|
|
return ssock
|
|
|
|
cert:str = None
|
|
key:str = None
|
|
|
|
|
|
import sys
|
|
|
|
# setting path
|
|
sys.path.append('../')
|
|
|
|
import apns
|
|
import printer
|
|
|
|
|
|
def proxy(conn1: tlslite.TLSConnection, conn2: tlslite.TLSConnection, prefix: str = ""):
|
|
while True:
|
|
# Read data from the first connection
|
|
data = conn1.read()
|
|
# If there is no data, the connection has closed
|
|
if not data:
|
|
break
|
|
|
|
printer.pretty_print_payload(prefix, apns._deserialize_payload_from_buffer(data))
|
|
|
|
#print(prefix, data)
|
|
# Write the data to the second connection
|
|
conn2.write(data)
|
|
print("Connection closed")
|
|
# Close the connections
|
|
conn1.close()
|
|
conn2.close()
|
|
|
|
def handle(conn: socket.socket):
|
|
# Wrap the socket in TLS
|
|
s_conn = tlslite.TLSConnection(conn)
|
|
global cert, key
|
|
chain = tlslite.X509CertChain()
|
|
chain.parsePemList(cert)
|
|
print(chain)
|
|
#cert = tlslite.X509CertChain([tlslite.X509().parse(cert)])
|
|
key_parsed = tlslite.parsePEMKey(key, private=True)
|
|
print(key_parsed)
|
|
s_conn.handshakeServer(certChain=chain, privateKey=key_parsed, reqCert=False, alpn=[ALPN])
|
|
|
|
print("Handling connection")
|
|
# Connect to the APNs server
|
|
apns = connect()
|
|
print("Connected to APNs")
|
|
# Proxy data between the connections
|
|
# Create a thread to proxy data from the APNs server to the client
|
|
threading.Thread(target=proxy, args=(s_conn, apns, "apsd -> APNs")).start()
|
|
# Just proxy data from the client to the APNs server in this thread
|
|
proxy(apns, s_conn, "APNs -> apsd")
|
|
|
|
def serve():
|
|
|
|
# Create a socket to listen for connections
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
sock.bind(("localhost", 5223))
|
|
sock.listen()
|
|
|
|
print("Listening for connections...")
|
|
|
|
# Handshake with the client
|
|
# Read the certificate and private key from the config
|
|
with open("push_certificate_chain.pem", "r") as f:
|
|
global cert
|
|
cert = f.read()
|
|
|
|
|
|
# NEED TO USE OPENSSL, SEE CORETRUST CMD, MIMIC ENTRUST? OR AT LEAST SEE PUSHPROXY FOR EXTRACTION & REPLACEMENT
|
|
with open("push_key.pem", "r") as f:
|
|
global key
|
|
key = f.read()
|
|
|
|
# Accept connections
|
|
while True:
|
|
# Accept a connection
|
|
conn, addr = sock.accept()
|
|
# Create a thread to handle the connection
|
|
#handle(conn)
|
|
thread = threading.Thread(target=handle, args=(conn,))
|
|
thread.start()
|
|
|
|
if __name__ == "__main__":
|
|
serve()
|