Fix ignoring gateway parameter (#34)

* Add custom exceptions and fix logging

* Fix "done" message

* Fix gateway stuff

* Fix `P:`

* Fix cscook's `--reg-notify` code

demo.py

@@ -16,6 +16,8 @@ import imessage
 import trio
 import argparse
 
+from exceptions import *
+
 logging.basicConfig(
     level=logging.NOTSET, format="%(message)s", datefmt="[%X]", handlers=[RichHandler()]
 )
@@ -107,10 +109,9 @@ async def main(args: argparse.Namespace):
             print("Would you like to register a phone number? (y/n)")
             if input("> ").lower() == "y":
                 import sms_registration
-                if args.gateway is not None:
-                    sms_registration.GATEWAY = args.gateway
-                if args.phone is not None:
-                    sms_registration.PHONE_IP = args.phone
+
+                if args.phone is None:
+                    raise GatewayConnectionError("You did not supply an IP address.")
 
                 if "phone" in CONFIG:
                     phone_sig = b64decode(CONFIG["phone"].get("sig"))
@@ -119,7 +120,9 @@ async def main(args: argparse.Namespace):
                     phone_number, phone_sig = sms_registration.parse_pdu(args.pdu, None)
                 else:
                     import sms_registration
-                    phone_number, phone_sig = sms_registration.register(conn.credentials.token, args.trigger_pdu)
+                    phone_number, phone_sig = sms_registration.register(push_token=conn.credentials.token,
+                                                                        no_parse=args.trigger_pdu, gateway=args.gateway,
+                                                                        phone_ip=args.phone)
                     CONFIG["phone"] = {
                         "number": phone_number,
                         "sig": b64encode(phone_sig).decode(),
@@ -152,7 +155,7 @@ async def main(args: argparse.Namespace):
 
         if args.reregister:
             print("Re-registering...")
-            users = register(conn, users)
+            register(conn, users)
 
             CONFIG["users"] = []
             for user in users:
@@ -165,10 +168,11 @@ async def main(args: argparse.Namespace):
                     "id_cert": user.id_cert,
                     "handles": user.handles,
                 })
+
                 if "P:" in str(user.user_id):
                     expiration = get_not_valid_after_timestamp(user.id_cert)
                     expiration = str(expiration) + " UTC"
-                    print("Number registration is valid until "+ expiration)
+                    print(f"Number registration is valid until {expiration}. (YYYY/MM/DD)")
                 else:
                     email_user = user
                     for n in range(len(user.handles)):
@@ -178,9 +182,10 @@ async def main(args: argparse.Namespace):
             safe_config()
             if args.reg_notify:
                 im = imessage.iMessageUser(conn, email_user)
+                im.current_handle = email_addr
                 await im.send(imessage.iMessage.create(im, "Number registration is valid until " + expiration, [email_addr]))
 
-        print(f"Done?")
+        print("Done!")
 
         if args.alive:
             logging.getLogger("apns").setLevel(logging.DEBUG)
@@ -313,7 +318,6 @@ if __name__ == "__main__":
     args = parser.parse_args()
     
     if args.pdu is not None and not args.pdu.startswith("REG-RESP"):
-        print("Invalid REG-RESP PDU")
-        exit(1)
+        raise InvalidResponseError("Received invalid REG-RESP PDU from Gateway Client.")
 
     trio.run(main, args)

exceptions.py

@@ -0,0 +1,31 @@
+
+class GatewayError(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+    def __str__(self):
+        return self.reason
+
+
+class GatewayConnectionError(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+    def __str__(self):
+        return self.reason
+
+
+class DecodeError(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+    def __str__(self):
+        return self.reason
+
+
+class InvalidResponseError(Exception):
+    def __init__(self, reason):
+        self.reason = reason
+
+    def __str__(self):
+        return self.reason

sms_registration.py

@@ -1,37 +1,70 @@
 import requests
+from requests.exceptions import ConnectionError
 import random
 import apns
 import trio
 import gateway_fetch
 from base64 import b64decode, b64encode
 
+
+from exceptions import *
+
 import urllib3
 urllib3.disable_warnings()
 
-PHONE_IP = "192.168.5.120"
 API_PORT = 8080
-GATEWAY = "22223333"
 
-def register(push_token: bytes, no_parse = False, gateway = None) -> tuple[str, bytes]:
+def register(push_token: bytes, no_parse, gateway: str | None, phone_ip: str) -> tuple[str, bytes]:
     """Forwards a registration request to the phone and returns the phone number, signature for the provided push token"""
     if gateway is None:
         print("Requesting device MCC+MNC for gateway detection...")
-        mccmnc = requests.get(f"http://{PHONE_IP}:{API_PORT}/info", timeout=30).text
+
+        try:
+            mccmnc = requests.get(f"http://{phone_ip}:{API_PORT}/info", timeout=30).text
+        except ConnectionError:
+
+            raise GatewayConnectionError("Could not connect to device! Please open the Pypush SMS Helper App.")
+
+        except Exception as e:
+
+            raise GatewayError(f"ERROR: An unknown error occurred: '{e}'")
+
         print("MCC+MNC received! " + mccmnc)
         print("Determining gateway...")
+        print(mccmnc)
         gateway = gateway_fetch.getGatewayMCCMNC(mccmnc)
-    if gateway is not None:
-        print("Gateway found!  " + str(gateway))
-    else:
-        print("No gateway was provided, and automatic gateway detection failed. Please run again with the --gateway flag.")
-        # gateway = GATEWAY
-        raise
+        if gateway is not None:
+            print("Gateway found!  " + str(gateway))
+        else:
+
+            raise GatewayError(f"No gateway was provided, and automatic gateway detection failed. Please run again with the --gateway flag.")
+
     token = push_token.hex().upper()
     req_id = random.randint(0, 2**32)
     sms = f"REG-REQ?v=3;t={token};r={req_id};"
     print("Sending message and waiting for response...")
-    r = requests.get(f"http://{PHONE_IP}:{API_PORT}/register", params={"sms": sms, "gateway": gateway}, timeout=30)
-    print("Received response from device!")
+
+    try:
+        r = requests.get(f"http://{phone_ip}:{API_PORT}/register", params={"sms": sms, "gateway": gateway}, timeout=30)
+    except Exception as e:
+        raise GatewayError(f"ERROR: An unknown error occurred: '{e}'")
+
+    if 'error' in r.text.lower():
+
+        if 'permission.SEND_SMS' in r.text.lower():
+            raise GatewayError(f"Please allow the SMS permission!")
+
+        raise GatewayError(f"An error was thrown from PNRgateway Client: '{r.text}'")
+
+        # POSSIBLE ERRORS FROM APP:
+
+        # Error: timeout waiting for response from gateway (unlikely, timeout is implemented here too)
+        # Error sending SMS
+        # Error: sms parameter not found
+        # Error: gateway parameter not found
+
+    print('\033[92m', "Received response from device!", '\033[0m')
+
     if no_parse:
         print("Now do the next part and rerun with --pdu")
         exit()