mirror of
https://github.com/elicpeter/nyx.git
synced 2026-06-09 19:45:13 +02:00
24 lines
538 B
Python
24 lines
538 B
Python
"""Phase 12 — Flask route, benign."""
|
|
import re
|
|
import subprocess
|
|
|
|
from flask import Flask, request
|
|
|
|
app = Flask(__name__)
|
|
|
|
_VALID_HOST = re.compile(r"^[A-Za-z0-9.-]{1,253}$")
|
|
|
|
|
|
@app.route("/ping", methods=["GET"])
|
|
def ping():
|
|
host = request.args.get("host", "")
|
|
if not _VALID_HOST.fullmatch(host):
|
|
return "invalid host"
|
|
result = subprocess.run(
|
|
["ping", "-c", "1", host],
|
|
shell=False,
|
|
capture_output=True,
|
|
text=True,
|
|
timeout=5,
|
|
)
|
|
return result.stdout + result.stderr
|