28 lines
999 B
Python
28 lines
999 B
Python
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/*
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* @Author: Silent YANG
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* @Date: 2023-11-29
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*/
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from flask import Flask, request, make_response
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from base64 import urlsafe_b64decode
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import socket
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app = Flask(__name__)
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@app.route("/dns-query" ,methods=['GET', 'POST'])
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def dns_query():
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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if request.headers.get('CONTENT_TYPE') == 'application/dns-message':
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sock.sendto(request.stream.read(), ("1.1.1.1", 53))
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rx_meesage, addr = sock.recvfrom(4096)
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return make_response(rx_meesage, 200, {"Content-Type": "application/dns-message"})
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if request.method == "GET" and request.args.get("dns"):
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payload = urlsafe_b64decode(request.args.get("dns") + "===")
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sock.sendto(payload, ("1.1.1.1", 53))
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rx_meesage, addr = sock.recvfrom(4096)
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return make_response(rx_meesage, 200, {"Content-Type": "application/dns-message"})
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return make_response("", 400)
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if __name__ == "__main__":
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app.run('127.0.0.1', debug=False, port=5000)
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