RuhNetConsulting
/
SMSGateway
mirror of https://github.com/na7q/SMSGateway


								import socket

								import re

								from flask import Flask, request, jsonify

								from twilio.rest import Client


								app = Flask(__name__)


								# Twilio credentials

								TWILIO_ACCOUNT_SID = 'SID'

								TWILIO_AUTH_TOKEN = 'TOKEN'

								TWILIO_PHONE_NUMBER = '+NUMBER'  # Your Twilio phone number


								# APRS credentials

								APRS_CALLSIGN = 'CALLSIGN'

								APRS_PASSCODE = 'PASSCODE'

								APRS_SERVER = 'roate.aprs2.net'

								APRS_PORT = 14580


								# Initialize the socket

								aprs_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)


								# Dictionary to store the last received APRS message ID for each user

								user_last_message_id = {}


								def send_ack_message(sender, message_id):

								    ack_message = 'ack{}'.format(message_id)

								    sender_length = len(sender)

								    spaces_after_sender = ' ' * max(0, 9 - sender_length)

								    ack_packet_format = '{}>APRS::{}{}:{}\r\n'.format(APRS_CALLSIGN, sender, spaces_after_sender, ack_message)

								    ack_packet = ack_packet_format.encode()

								    aprs_socket.sendall(ack_packet)

								    print("Sent ACK to {}: {}".format(sender, ack_message))

								    print("Outgoing ACK packet: {}".format(ack_packet.decode()))


								def send_sms(twilio_phone_number, to_phone_number, from_callsign, body_message):

								    # Initialize the Twilio client

								    client = Client(TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN)


								    try:

								        # Send SMS using the Twilio API

								        message = client.messages.create(

								            body="@{} {}".format(from_callsign, body_message),

								            from_=twilio_phone_number,

								            to=to_phone_number

								        )

								        print("SMS sent successfully.")

								        print("SMS SID:", message.sid)

								    except Exception as e:

								        print("Error sending SMS:", str(e))


								def format_aprs_packet(callsign, message):

								    sender_length = len(callsign)

								    spaces_after_sender = ' ' * max(0, 9 - sender_length)

								    aprs_packet_format = '{}>NA7Q::{}{}:{}\r\n'.format(APRS_CALLSIGN, callsign, spaces_after_sender, message)

								    return aprs_packet_format


								# Dictionary to store the mapping of aliases (callsigns) to phone numbers

								alias_map = {

								    'alias1': '1234567890',  # Replace 'alias1' with the desired alias and '1234567890' with the corresponding phone number.

								    'alias2': '0987654321',  # Add more entries as needed for other aliases and phone numbers.

								    # Add more entries as needed.

								}


								def find_phone_number_from_alias(alias):

								    return alias_map.get(alias.lower())


								# Create a new dictionary to store the reverse mapping of phone numbers to aliases

								reverse_alias_map = {v: k for k, v in alias_map.items()}


								@app.route('/sms', methods=['POST'])

								def receive_sms():

								    # Parse the incoming SMS message

								    data = request.form

								    from_phone_number = data['From']

								    body_message = data['Body']


								    # If the message is in the correct format, the function extracts the callsign and APRS message content from the SMS body.

								    if body_message.startswith('@'):

								        parts = body_message.split(' ', 1)

								        if len(parts) == 2:

								            # Extract the 10-digit phone number from the sender's phone number

								            sender_phone_number = from_phone_number[-10:]

								            callsign = parts[0][1:]

								            aprs_message = parts[1]


								            # Get the last APRS message ID sent to this user

								            last_message_id = user_last_message_id.get(from_phone_number, 0)


								            # Increment the message ID to avoid duplicate messages

								            last_message_id += 1

								            user_last_message_id[from_phone_number] = last_message_id


								            # Use the reverse alias mapping to check if the sender's phone number has an associated alias

								            alias = reverse_alias_map.get(sender_phone_number.lower())

								            if alias:

								                sender_phone_number = alias

								            # If an alias is found, use it; otherwise, use the phone number itself as the alias

								            if alias:

								                sender_phone_number = alias


								            # Format the APRS packet and send it to the APRS server

								            aprs_packet = format_aprs_packet(callsign, "@{} {}".format(sender_phone_number, aprs_message + "{" + str(last_message_id)))

								            aprs_socket.sendall(aprs_packet.encode())

								            print("Sent APRS message to {}: {}".format(callsign, aprs_message))

								            print("Outgoing APRS packet: {}".format(aprs_packet.strip()))


								            return jsonify({'status': 'success'})

								        else:

								            return jsonify({'status': 'error', 'message': 'Invalid SMS format'})

								    else:

								        return jsonify({'status': 'error', 'message': 'SMS does not start with "@" symbol'})


								def receive_aprs_messages():

								    # Connect to the APRS server

								    aprs_socket.connect((APRS_SERVER, APRS_PORT))

								    print("Connected to APRS server with callsign: {}".format(APRS_CALLSIGN))


								    # Send login information with APRS callsign and passcode

								    login_str = 'user {} pass {} vers SMS-Gateway 0.1b\r\n'.format(APRS_CALLSIGN, APRS_PASSCODE)

								    aprs_socket.sendall(login_str.encode())

								    print("Sent login information.")


								    buffer = ""

								    try:

								        while True:

								            data = aprs_socket.recv(1024)

								            if not data:

								                break


								            # Add received data to the buffer

								            buffer += data.decode()


								            # Split buffer into lines

								            lines = buffer.split('\n')


								            # Process each line

								            for line in lines[:-1]:

								                if line.startswith('#'):

								                    continue


								                # Process APRS message

								                print("Received raw APRS packet: {}".format(line.strip()))

								                parts = line.strip().split(':')

								                if len(parts) >= 2:

								                    from_callsign = parts[0].split('>')[0].strip()

								                    message_text = ':'.join(parts[1:]).strip()


								                    # Check if the message contains "{"

								                    if "{" in message_text:

								                        message_id = message_text.split('{')[1].strip('}')


								                        # Remove the first 11 characters from the message to exclude the "Callsign :" prefix

								                        verbose_message = message_text[11:].split('{')[0].strip()


								                        # Display verbose message content

								                        print("From: {}".format(from_callsign))

								                        print("Message: {}".format(verbose_message))

								                        print("Message ID: {}".format(message_id))


								                        # Check if the verbose message contains the desired format with a number or an alias

								                        pattern = r'@(\d{10}|\w+) (.+)'

								                        match = re.match(pattern, verbose_message)


								                        # Send ACK

								                        send_ack_message(from_callsign, message_id)


								                        if match:

								                            recipient = match.group(1)

								                            aprs_message = match.group(2)


								                            # Check if the recipient is a 10-digit number or an alias

								                            if recipient.isdigit():

								                                # Recipient is a 10-digit number

								                                phone_number = recipient

								                            else:

								                                # Recipient is an alias

								                                phone_number = find_phone_number_from_alias(recipient)


								                            if phone_number:

								                                # Get the last APRS message ID sent to this user

								                                last_message_id = user_last_message_id.get(from_callsign, 0)

								                                last_message_id += 1

								                                user_last_message_id[from_callsign] = last_message_id


								                                # Send SMS

								                                send_sms(TWILIO_PHONE_NUMBER, phone_number, from_callsign, aprs_message)


								                            else:

								                                print("Recipient not found in alias map or not a 10-digit number: {}".format(recipient))


								                            pass

								                                                        # Send ACK

								            # The last line might be an incomplete packet, so keep it in the buffer

								            buffer = lines[-1]


								    except Exception as e:

								        print("Error receiving APRS messages: {}".format(e))


								    finally:

								        # Close the socket connection when done

								        aprs_socket.close()


								if __name__ == '__main__':

								    print("APRS bot is running. Waiting for APRS messages...")


								    # Run the Flask web application in a separate thread to handle incoming SMS messages

								    from threading import Thread

								    webhook_thread = Thread(target=app.run, kwargs={'host': '0.0.0.0', 'port': 5000})

								    webhook_thread.start()


								    # Start listening for APRS messages

								    receive_aprs_messages()