config.py

# Global configuration and identity 
import os
import socket
import base64

# util function to get (returns) the local IP address
def get_local_ip():
   
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        # connect to a public server to determine outbound IP
        # creates fake connection to Google's public DNS server "("8.8.8.8", 80)"
        s.connect(("8.8.8.8", 80))
        return s.getsockname()[0]  # local IP assigned by router
    
    except Exception:
        # loopback if detection fails
        return "127.0.0.1" # localhost
    finally:
        s.close()


# Network Configuration
VERBOSE = True
PORT = 50999                   # port used for LSNP communication
BROADCAST_IP = "<broadcast>"   # IP for broadcasting to local subnet
BUFFER_SIZE = 65535            # max size for incoming UDP packets

# Avatar Config
AVATAR_TYPE = "image/png"                 # MIME type (optional)
AVATAR_ENCODING = "base64"                # Encoding (optional)


# You can load the image only once and encode it to base64
def load_avatar_base64(path="avatar.png"):
    try:
        with open(path, "rb") as img_file:
            encoded = base64.b64encode(img_file.read()).decode("utf-8")
            print(f"[CONFIG] Avatar loaded from '{path}' ({AVATAR_TYPE}, {AVATAR_ENCODING})")
            return encoded
    except FileNotFoundError:
        print(f"[CONFIG] No avatar file found at '{path}'. Skipping avatar.")
        return None

AVATAR_DATA = load_avatar_base64("assets/avatar.png")

# User Identity (EDIT THIS)
LOCAL_IP = get_local_ip()                       # local IP 
USER_ID = f"jansen@{LOCAL_IP}"                  # full user ID 
DISPLAY_NAME = "Jay Mortega"[:50]                    # name shown in GUI/logs
STATUS = "Exploring LSNP!"[:100]                      # default status message


# Token & Messaging Settings
TOKEN_TTL = 3600         # token time-to-live (1 hour)
MESSAGE_EXPIRY = 3600    # maximum age of incoming messages (1 hour)


# Default Token Scopes by Feature
DEFAULT_SCOPE = {
    "post": "broadcast",    # posts to the network
    "dm": "chat",           # dm
    "follow": "follow",     # follow/unfollow
    "like": "broadcast",    # likes/unlikes
    "file": "file",         # file transfer
    "group": "group",       # group management
    "game": "game"          # tic tac toe 
}