70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
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from flask import Flask, jsonify, request
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import re
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HOSTS_PATH = "/app/hosts.d/izbi"
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app = Flask(__name__)
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hosts = {}
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def update_hosts(path: str, hosts: dict = {}): bool
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try:
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hosts_str = ""
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for domain, ip in hosts.items():
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hosts_str += f"{ip}\t{domain}\n"
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with open(path, "w") as f:
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f.write(hosts_str)
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print(f"ddns - updated {path}")
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return True
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except Exception as e:
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print(e)
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return False
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def validate_ip(ip: str): bool
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exp = "^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$"
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return re.search(exp, ip)
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@app.route('/', methods=["GET"])
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def health():
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return jsonify({"status": "healthy", "comment": ""})
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@app.route('/update', methods=["GET"])
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def update_addr():
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if 'domain' not in request.args:
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return jsonify({"status": "400", "code": "domain-error", "comment": "Missing or invalid domain"}), 400
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domain = request.args['domain']
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if 'ip' not in request.args:
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ip = request.remote_addr
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elif not validate_ip(request.args['ip']):
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return jsonify({"status": "400", "code": "ip-error", "comment": "Invalid IP"}), 400
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else:
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ip = request.args['ip']
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print(f"ddns - update request of [{domain}, {ip}] from {request.remote_addr}")
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hosts[domain] = ip
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success = update_hosts(HOSTS_PATH, hosts)
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if not success:
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return jsonify({"status": "500", "code": "internal-server-error", "An error occurred while processing request"}), 500
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return jsonify({"status": "200", "code": "ok", "comment": "Updated successfully"})
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if __name__ == '__main__':
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app.run(host="0.0.0.0", port=8080, debug=True)
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