Telegram MTProxy link validator

validator.py

from urllib import parse
import string
import base64
import traceback

def validate(proxy_link):
    try:
        if proxy_link.startswith("tg://proxy") or proxy_link.replace("https://", "").startswith("t.me/proxy"):
            args = dict(parse.parse_qsl(parse.urlsplit(proxy_link).query))
            if args.get("server") and args.get("port") and args.get("secret"):
                if args.get("port").isnumeric():
                    secret = args.get("secret").replace("-", "+").replace("_", "/")
                    if not all(c in string.hexdigits for c in secret):
                        try:
                            if not secret.endswith("="):
                                secret += "=="
                            secret = base64.b64decode(secret).hex()
                        except Exception as e:
                            try:
                                secret += "="
                                secret = base64.b64decode(secret).hex()
                            except Exception as e:
                                pass
                    if all(c in string.hexdigits for c in secret):
                         if (secret.startswith("ee") and len(secret) > 34) or (
                                secret.startswith("dd") and len(secret) == 34) or (len(secret) == 32):
                            return True
        return False
    except:
        traceback.print_exc()
        return False