pypush-plus-plus/demo.py
2023-12-08 09:47:34 -07:00

340 lines
14 KiB
Python

import json
import logging
import argparse
import datetime
from base64 import b64decode, b64encode
from getpass import getpass
from cryptography import x509
from rich.logging import RichHandler
import trio
import apns
import ids
import imessage
from exceptions import *
logging.basicConfig(
level=logging.NOTSET, format="%(message)s", datefmt="[%X]", handlers=[RichHandler()]
)
# Set sane log levels
logging.getLogger("urllib3").setLevel(logging.WARNING)
logging.getLogger("py.warnings").setLevel(logging.ERROR) # Ignore warnings from urllib3
logging.getLogger("asyncio").setLevel(logging.WARNING)
logging.getLogger("jelly").setLevel(logging.INFO)
logging.getLogger("nac").setLevel(logging.INFO)
logging.getLogger("apns").setLevel(logging.INFO)
logging.getLogger("albert").setLevel(logging.INFO)
logging.getLogger("ids").setLevel(logging.INFO)
logging.getLogger("bags").setLevel(logging.INFO)
logging.getLogger("imessage").setLevel(logging.INFO)
logging.captureWarnings(True)
# Try and load config.json
try:
with open("config.json", "r") as f:
CONFIG = json.load(f)
except FileNotFoundError:
CONFIG = {}
def safe_b64decode(s):
try:
return b64decode(s)
except (ValueError, TypeError) as e:
print(f"Error decoding b64: {e}")
return None
def safe_config():
with open("config.json", "w", encoding="utf-8") as f:
json.dump(CONFIG, f, indent=4)
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 (ValueError, TypeError, AttributeError) as e:
print(f"Error determining certificate expiration date: {e}")
return None # Return None in case of an error
expiration = None
def expire_msg(expiration):
now = datetime.datetime.now(datetime.timezone.utc)
remaining_seconds = int((expiration - now).total_seconds())
if remaining_seconds <= 60:
time_unit = "seconds"
time_value = remaining_seconds
elif remaining_seconds <= 3600:
time_unit = "minutes"
time_value = int(remaining_seconds / 60)
elif remaining_seconds <= 86400:
time_unit = "hours"
time_value = int(remaining_seconds / 3600)
else:
time_unit = "days"
time_value = float(remaining_seconds / 86400)
expire_message = f"Number registration is valid until {str(expiration.astimezone().strftime('%x %I:%M:%S %p %Z'))} \
({time_value:.2f} {time_unit} from now)"
return expire_message
async def main(args: argparse.Namespace):
global expiration
# Load any existing push credentials
token = CONFIG.get("push", {}).get("token")
token = b64decode(token) if token is not None else b""
push_creds = apns.PushCredentials(
CONFIG.get("push", {}).get("key", ""), CONFIG.get("push", {}).get("cert", ""), token)
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)
return users
def expiration_identifier(users: list[ids.IDSUser]) -> datetime.datetime | None:
expiration = None
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))
return expiration
async def reregister(conn: apns.APNSConnection, users: list[ids.IDSUser]) -> datetime.datetime:
register(conn, users)
CONFIG["users"] = []
expiration = None
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,
})
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]
# Set up a temporary iMessage user to send notifications
im = imessage.iMessageUser(conn, email_user)
im.current_handle = email_addr # HACK: See above
# Notify other devices on the account that new handles are available
await im._send_raw(130, [im.current_handle], "com.apple.madrid")
expiration = expiration_identifier(users)
# Save the config to disk
safe_config()
# Send the notification iMessage (if enabled)
if args.reg_notify:
await im.send(imessage.iMessage.create(im, expire_msg(expiration), [email_addr]))
return expiration
async with apns.APNSConnection.start(push_creds) as conn:
# 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"])
# 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"]))
else:
print("Would you like to register a phone number? (y/n)")
if input("> ").lower() == "y":
import sms_registration
if "phone" in CONFIG:
phone_sig = b64decode(CONFIG["phone"].get("sig"))
phone_number = CONFIG["phone"].get("number")
elif args.pdu is not None:
phone_number, phone_sig = sms_registration.parse_pdu(args.pdu, None)
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
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)
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))
await reregister(conn, users)
if args.daemon:
wait_time_minutes = 5 # this is in minutes. 5 recommended
if args.reregister:
expiration = await reregister(conn, users)
else:
expiration = expiration_identifier(users)
if expiration is None:
expiration = await reregister(conn, 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...")
if reregister_delta > 0:
await trio.sleep(reregister_delta)
logging.info("Reregistering...")
expiration = await reregister(conn, users)
logging.info("Reregistered!")
if args.cronreg:
reregister_within = 60 # Minutes, time when if expiration time is less than, reregister.
for user in users:
if "P:" in str(user.user_id):
# logging.info(f"The user is: {user}")
cert = x509.load_pem_x509_certificate(user.id_cert.encode('utf-8'))
expiration = cert.not_valid_after.replace(tzinfo=datetime.timezone.utc)
logging.info(f'Certificate expires on: {expiration}')
reregister_time = expiration - datetime.timedelta(minutes=reregister_within)
logging.info(f'Reregistration will occur at: {reregister_time}')
reregister_delta = (reregister_time - datetime.datetime.now(datetime.timezone.utc)).total_seconds()
logging.info(
f'The time between now and reregistration time is: {(reregister_delta / 3600):.2f} hours or \
{(reregister_delta / 86400):.2f} days')
if reregister_delta > 3600:
logging.info('Certificates expiration is greater than 60 minutes, quiting')
else:
logging.info('Certificate expires soon, reregistering now')
expiration = await reregister(conn, users)
logging.info('Reregistered')
elif args.reregister:
await reregister(conn, users)
print("Done!")
if args.alive:
logging.getLogger("apns").setLevel(logging.DEBUG)
while True:
await trio.sleep(20)
async def input_task(im: imessage.iMessageUser):
while True:
cmd = await trio.to_thread.run_sync(input, "> ", cancellable=True)
if cmd != "":
await im.send(imessage.iMessage.create(im, cmd, ["tel:+16106632676"]))
async def output_task(im: imessage.iMessageUser):
while True:
msg = await im.receive()
print(str(msg))
if __name__ == "__main__":
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")
parser.add_argument("--alive", action="store_true", help="Keep the connection alive")
parser.add_argument("--client-data", action="store_true",
help="Publish client data (only necessary for actually sending/receiving messages)")
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")
parser.add_argument("--cronreg", action="store_true", help="Reregister if less than 60 minutes "
"from expiration")
args = parser.parse_args()
if args.pdu is not None and not args.pdu.startswith("REG-RESP"):
raise InvalidResponseError("Received invalid REG-RESP PDU from Gateway Client.")
trio.run(main, args)