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import requests
import random
import time
import threading
from flask import Flask, request, Response
PROXY_LIST_URL = "https://proxies.typegpt.net/ips.txt"
proxies_cache = []
last_refresh = 0
app = Flask(__name__)
def fetch_proxies():
"""Fetch proxy list from remote URL."""
try:
resp = requests.get(PROXY_LIST_URL, timeout=10)
resp.raise_for_status()
proxies = [line.strip() for line in resp.text.splitlines() if line.strip()]
return proxies
except Exception as e:
print(f"[ERROR] Failed to fetch proxies: {e}")
return []
def get_random_proxy(proxies):
"""Pick a random proxy from the list."""
if not proxies:
return None
return random.choice(proxies)
def refresh_proxies_loop():
"""Background thread: refresh proxy list every 5 minutes."""
global proxies_cache, last_refresh
while True:
if time.time() - last_refresh > 300 or not proxies_cache:
proxies_cache = fetch_proxies()
last_refresh = time.time()
print(f"[INFO] Refreshed {len(proxies_cache)} proxies.")
time.sleep(60)
@app.route("/health")
def health():
return "Healthy", 200
@app.route("/<path:target_url>")
def proxy_request(target_url):
"""Catch-all route: forward request to target_url using random proxy."""
if not target_url.startswith("http"):
target_url = "http://" + target_url # allow shorthand
proxy = get_random_proxy(proxies_cache)
if not proxy:
return {"error": "No proxies available"}, 500
proxies = {"http": proxy, "https": proxy}
try:
print(f"[INFO] Forwarding to {target_url} via {proxy}")
resp = requests.get(target_url, proxies=proxies, timeout=15)
return Response(
resp.content,
status=resp.status_code,
headers=dict(resp.headers),
)
except Exception as e:
return {"error": f"Proxy failed: {proxy}", "details": str(e)}, 502
def main():
# Start proxy refresher thread
t = threading.Thread(target=refresh_proxies_loop, daemon=True)
t.start()
# Run Flask server
app.run(host="0.0.0.0", port=5000)
if __name__ == "__main__":
main()
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