Add standalone auth-gate.py and nginx config for reference

This commit is contained in:
AlexanderWhitestone
2026-03-05 23:49:56 -05:00
parent 22b0ec1d67
commit d10cff333a
2 changed files with 110 additions and 0 deletions

68
auth-gate.py Normal file
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#!/usr/bin/env python3
"""Tiny auth gate for nginx auth_request. Sets a cookie after successful basic auth."""
import hashlib, hmac, http.server, time, base64, os
SECRET = "sovereign-timmy-gate-2026"
USER = "Rockachopa"
PASS = "Iamrockachopathegend"
COOKIE_NAME = "sovereign_gate"
COOKIE_MAX_AGE = 86400 * 7 # 7 days
def make_token(ts):
msg = f"{USER}:{ts}".encode()
return hmac.new(SECRET.encode(), msg, hashlib.sha256).hexdigest()[:32]
def verify_token(token):
try:
# Token format: timestamp.signature
parts = token.split(".")
if len(parts) != 2:
return False
ts, sig = int(parts[0]), parts[1]
if time.time() - ts > COOKIE_MAX_AGE:
return False
return sig == make_token(ts)
except:
return False
class Handler(http.server.BaseHTTPRequestHandler):
def log_message(self, *a): pass
def do_GET(self):
# Check cookie first
cookies = self.headers.get("Cookie", "")
for c in cookies.split(";"):
c = c.strip()
if c.startswith(f"{COOKIE_NAME}="):
token = c[len(COOKIE_NAME)+1:]
if verify_token(token):
self.send_response(200)
self.end_headers()
return
# Check basic auth header (forwarded by nginx)
auth = self.headers.get("Authorization", "")
if auth.startswith("Basic "):
try:
decoded = base64.b64decode(auth[6:]).decode()
u, p = decoded.split(":", 1)
if u == USER and p == PASS:
ts = int(time.time())
token = f"{ts}.{make_token(ts)}"
self.send_response(200)
self.send_header("Set-Cookie",
f"{COOKIE_NAME}={token}; Path=/; Max-Age={COOKIE_MAX_AGE}; HttpOnly; SameSite=Lax")
self.end_headers()
return
except:
pass
# Deny
self.send_response(401)
self.send_header("WWW-Authenticate", 'Basic realm="Sovereign Stack"')
self.end_headers()
if __name__ == "__main__":
s = http.server.HTTPServer(("127.0.0.1", 9876), Handler)
print("Auth gate listening on 127.0.0.1:9876")
s.serve_forever()

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nginx-paperclip.conf Normal file
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server {
listen 80;
server_name alexanderwhitestone.com 45.55.221.244;
# Cookie-based auth gate — login once, cookie lasts 7 days
location = /_auth {
internal;
proxy_pass http://127.0.0.1:9876;
proxy_pass_request_body off;
proxy_set_header Content-Length "";
proxy_set_header X-Original-URI $request_uri;
proxy_set_header Cookie $http_cookie;
proxy_set_header Authorization $http_authorization;
}
location / {
auth_request /_auth;
# Forward the Set-Cookie from auth gate to the client
auth_request_set $auth_cookie $upstream_http_set_cookie;
add_header Set-Cookie $auth_cookie;
proxy_pass http://127.0.0.1:3100;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host localhost;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Host $host;
proxy_cache_bypass $http_upgrade;
proxy_read_timeout 86400;
}
# Return 401 with WWW-Authenticate when auth fails
error_page 401 = @login;
location @login {
proxy_pass http://127.0.0.1:9876;
proxy_set_header Authorization $http_authorization;
proxy_set_header Cookie $http_cookie;
}
}