Nirodan
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
from flask import Blueprint, request, jsonify
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import ipaddress
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from util.logger import logger
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from auth.token import verify_token
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ipcalc_blueprint = Blueprint('ipcalc_tool', __name__)
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@ipcalc_blueprint.route('/api/ip/calculate', methods=['POST'])
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def ip_calculate():
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user = verify_token()
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if not user:
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return jsonify({"message": "Nicht autorisiert"}), 401
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try:
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data = request.get_json() or {}
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cidr = data.get("cidr", "").strip()
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try:
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network = ipaddress.IPv4Network(cidr, strict=False)
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except ValueError as e:
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return jsonify({"message": f"Ungültige CIDR-Notation: {e}"}), 400
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hosts = list(network.hosts())
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first_host = str(hosts[0]) if hosts else str(network.network_address)
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last_host = str(hosts[-1]) if hosts else str(network.broadcast_address)
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total_hosts = len(hosts)
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# Wildcard = inverse of netmask
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netmask_int = int(network.netmask)
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wildcard_int = (~netmask_int) & 0xFFFFFFFF
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wildcard = str(ipaddress.IPv4Address(wildcard_int))
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ip_class = "Privat" if network.is_private else "Öffentlich"
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return jsonify({
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"network": str(network.network_address),
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"broadcast": str(network.broadcast_address),
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"netmask": str(network.netmask),
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"wildcard": wildcard,
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"first_host": first_host,
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"last_host": last_host,
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"total_hosts": total_hosts,
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"prefix_length": network.prefixlen,
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"ip_class": ip_class,
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})
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except Exception as e:
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logger.error(f"Fehler ipcalc: {e}")
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return jsonify({"message": "Fehler bei der Berechnung"}), 500
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