pypush-plus-plus/demo.py

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import json
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import logging
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import os
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import threading
import time
from base64 import b64decode, b64encode
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from getpass import getpass
from cryptography import x509
import datetime
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from rich.logging import RichHandler
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import apns
import ids
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import imessage
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import trio
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import argparse
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from exceptions import *
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logging.basicConfig(
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level=logging.NOTSET, format="%(message)s", datefmt="[%X]", handlers=[RichHandler()]
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)
# Set sane log levels
logging.getLogger("urllib3").setLevel(logging.WARNING)
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logging.getLogger("py.warnings").setLevel(logging.ERROR) # Ignore warnings from urllib3
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logging.getLogger("asyncio").setLevel(logging.WARNING)
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logging.getLogger("jelly").setLevel(logging.INFO)
logging.getLogger("nac").setLevel(logging.INFO)
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logging.getLogger("apns").setLevel(logging.INFO)
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logging.getLogger("albert").setLevel(logging.INFO)
logging.getLogger("ids").setLevel(logging.INFO)
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logging.getLogger("bags").setLevel(logging.INFO)
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logging.getLogger("imessage").setLevel(logging.INFO)
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logging.captureWarnings(True)
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# Try and load config.json
try:
with open("config.json", "r") as f:
CONFIG = json.load(f)
except FileNotFoundError:
CONFIG = {}
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def safe_b64decode(s):
try:
return b64decode(s)
except:
return None
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def safe_config():
with open("config.json", "w") as f:
json.dump(CONFIG, f, indent=4)
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def get_not_valid_after_timestamp(cert_data):
try:
cert = x509.load_pem_x509_certificate(cert_data.encode('utf-8'))
return cert.not_valid_after
except Exception as e:
return None # Return None in case of an error
expiration = None
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async def main(args: argparse.Namespace):
global expiration
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# Load any existing push credentials
token = CONFIG.get("push", {}).get("token")
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token = b64decode(token) if token is not None else b""
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push_creds = apns.PushCredentials(
CONFIG.get("push", {}).get("key", ""), CONFIG.get("push", {}).get("cert", ""), token)
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def register(conn, users):
import emulated.nac
vd = emulated.nac.generate_validation_data()
vd = b64encode(vd).decode()
users = ids.register(conn, users, vd, args.client_data or args.reg_notify)
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return users
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def expiration_identifier(users: list[ids.IDSUser]) -> datetime.datetime:
# Format time as HH:MM:SS PM/AM EST/EDT (X minutes from now)
expire_msg = lambda expiration: f"Number registration is valid until {str(expiration.astimezone().strftime('%x %I:%M:%S %p %Z'))} ({str(int((expiration - datetime.datetime.now(datetime.timezone.utc)).total_seconds()/60))} minutes from now)"
for user in users:
# If this is a phone number user, then it's got to be the one we just linked
# so pull out the expiration date from the certificate
if "P:" in str(user.user_id):
# There is not really a good reason to try/catch here: If we couldn't reregister, just crash (very unlikely we can recover)
cert = x509.load_pem_x509_certificate(user.id_cert.encode('utf-8'))
expiration = cert.not_valid_after
# Make it a UTC aware timezone, for reasons
expiration = expiration.replace(tzinfo=datetime.timezone.utc)
logging.info(expire_msg(expiration))
async def reregister(conn: apns.APNSConnection, users: list[ids.IDSUser]) -> datetime.datetime:
register(conn, users)
CONFIG["users"] = []
expiration = None
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email_user = None
email_addr = None # For HACK below
for user in users:
# Clear the config and re-save everything to match the new registration
CONFIG["users"].append({
"id": user.user_id,
"auth_key": user.auth_keypair.key,
"auth_cert": user.auth_keypair.cert,
"encryption_key": user.encryption_identity.encryption_key if user.encryption_identity is not None else None,
"signing_key": user.encryption_identity.signing_key if user.encryption_identity is not None else None,
"id_cert": user.id_cert,
"handles": user.handles,
})
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if not "P:" in str(user.user_id):
email_user = user
for n in range(len(user.handles)):
# HACK: Just pick the first email address they have to avoid picking the linked phone number
# TODO: Properly fix this, so that the linked phone number is not in the Apple ID user's list of handles
if "mailto:" in str(user.handles[n]):
email_addr = user.handles[n]
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expiration = expiration_identifier(users)
# Save the config to disk
safe_config()
# Send the notification iMessage (if enabled)
if args.reg_notify:
im = imessage.iMessageUser(conn, email_user)
im.current_handle = email_addr # HACK: See above
await im.send(imessage.iMessage.create(im, expire_msg(expiration), [email_addr]))
return expiration
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async with apns.APNSConnection.start(push_creds) as conn:
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# Save the push credentials to the config
CONFIG["push"] = {
"token": b64encode(conn.credentials.token).decode(),
"key": conn.credentials.private_key,
"cert": conn.credentials.cert,
}
safe_config()
# Activate the connection
await conn.set_state(1)
await conn.filter(["com.apple.madrid"])
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# If the user wants a phone number, we need to register it WITH an Apple ID, then register the Apple ID again
# otherwise we encounter issues for some reason
users = []
if "id" in CONFIG:
logging.debug("Restoring old-style identity...")
users.append(ids.IDSAppleUser(conn, CONFIG["auth"]["user_id"], ids._helpers.KeyPair(CONFIG["auth"]["key"], CONFIG["auth"]["cert"]),
ids.identity.IDSIdentity(CONFIG["encryption"]["ec_key"], CONFIG["encryption"]["rsa_key"]), CONFIG["id"]["cert"],
CONFIG["auth"]["handles"]))
if "users" in CONFIG:
logging.debug("Restoring new-style identity...")
for user in CONFIG["users"]:
users.append(ids.IDSUser(conn, user["id"], ids._helpers.KeyPair(user["auth_key"], user["auth_cert"]),
ids.identity.IDSIdentity(user["signing_key"], user["encryption_key"]), user["id_cert"],
user["handles"]))
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else:
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print("Would you like to register a phone number? (y/n)")
if input("> ").lower() == "y":
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import sms_registration
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if "phone" in CONFIG:
phone_sig = b64decode(CONFIG["phone"].get("sig"))
phone_number = CONFIG["phone"].get("number")
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elif args.pdu is not None:
phone_number, phone_sig = sms_registration.parse_pdu(args.pdu, None)
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else:
if args.phone is None:
#raise GatewayConnectionError("You did not supply an IP address.")
# Prompt for IP address
print("Please enter the IP address of your phone.")
print("This should be displayed in the SMS registration helper app")
print("You must be on the same network as your phone.")
phone = input("> ")
else:
phone = args.phone
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import sms_registration
phone_number, phone_sig = sms_registration.register(push_token=conn.credentials.token,
no_parse=args.trigger_pdu, gateway=args.gateway,
phone_ip=phone)
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CONFIG["phone"] = {
"number": phone_number,
"sig": b64encode(phone_sig).decode(),
}
safe_config()
users.append(ids.IDSPhoneUser.authenticate(conn, phone_number, phone_sig))
print("Would you like sign in to your Apple ID (recommended)? (y/n)")
if input("> ").lower() == "y":
username = input("Username: ")
password = input("Password: ")
users.append(ids.IDSAppleUser.authenticate(conn, username, password))
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await reregister(conn, users)
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if args.daemon:
wait_time_minutes = 5 # this is in minutes. 5 recommended
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if args.reregister:
expiration = await reregister(conn, users)
else:
expiration = expiration_identifier(users)
while True:
reregister_time = expiration - datetime.timedelta(minutes=wait_time_minutes) # wait_time_minutes before expiration
reregister_delta = (reregister_time - datetime.datetime.now(datetime.timezone.utc)).total_seconds()
logging.info(f"Reregistering in {int(reregister_delta / 60)} minutes...")
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if (reregister_delta > 0):
await trio.sleep(reregister_delta)
logging.info("Reregistering...")
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expiration = await reregister(conn, users)
logging.info("Reregistered!")
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elif args.reregister:
await reregister(conn, users)
print("Done!")
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if args.alive:
logging.getLogger("apns").setLevel(logging.DEBUG)
while True:
await trio.sleep(20)
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async def input_task(im: imessage.iMessageUser):
while True:
cmd = await trio.to_thread.run_sync(input, "> ", cancellable=True)
if cmd != "":
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await im.send(imessage.iMessage.create(im, cmd, ["tel:+16106632676"]))
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async def output_task(im: imessage.iMessageUser):
while True:
msg = await im.receive()
print(str(msg))
if __name__ == "__main__":
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parser = argparse.ArgumentParser()
parser.add_argument("--reregister", action="store_true", help="Force re-registration")
parser.add_argument("--reg-notify", action="store_true", help="Get iMessage after each registration")
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parser.add_argument("--alive", action="store_true", help="Keep the connection alive")
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parser.add_argument("--client-data", action="store_true", help="Publish client data (only necessary for actually sending/receiving messages)")
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parser.add_argument("--trigger-pdu", action="store_true", help="Trigger a REG-REQ")
# String arg to override pdu
parser.add_argument("--pdu", type=str, help="Override the PDU REG-RESP")
parser.add_argument("--phone", type=str, help="Override the phone IP")
parser.add_argument("--gateway", type=str, help="Override the gateway phone number")
parser.add_argument("--daemon", action="store_true", help="Continuously reregister 5 minutes before the certificate expires")
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args = parser.parse_args()
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if args.pdu is not None and not args.pdu.startswith("REG-RESP"):
raise InvalidResponseError("Received invalid REG-RESP PDU from Gateway Client.")
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trio.run(main, args)