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#!/usr/bin/env python3
"""
An invitation link, opened in the real application.
`test_invite_link_client.py` runs the link's functions one by one. What only the
running application can show is how they meet the router, the sign-in state and
the hub calls: that the code is out of the address before anything routes on
it, that a signed-out reader is sent to register with the invitation kept, and
that a signed-in reader is shown the invitation, joins with one click and lands
on the group — with the code never in a request to the hub.
Loads the shipped `app.js` in a real browser with `fetch` stubbed, twice:
signed_out — a link, no session
signed_in — the same link, a session; then the Join button is clicked
invite_link_probe.py
Prints JSON: one object per case.
"""
import http.server
import json
import socketserver
import subprocess
import sys
import tempfile
import threading
import time
from pathlib import Path
STATIC = Path(__file__).resolve().parents[2] / "src" / "meshbay_hub" / "static"
PORT = 8771
RECORDS = []
socketserver.TCPServer.allow_reuse_address = True
GROUP = "0f8fad5b-d9cb-469f-a165-70867728950e"
TICKET = "AbCdEfGhIjKlMnOpQr-_12"
NODE = "A" * 43
CODE = "K7P2-9WQX"
LINK = f"#/invite?v=1&g={GROUP}&t={TICKET}&n={NODE}&c={CODE}"
PAGE = r"""<!doctype html><html><head><meta charset=utf-8></head><body>
<div id="app"></div>
<script type="module">
const CASE = new URLSearchParams(location.search).get('case');
const realFetch = window.fetch.bind(window);
const post = (o) => realFetch('/log', { method: 'POST', body: JSON.stringify(o) });
const calls = [];
const json = (body, status = 200) => ({
ok: status < 400, status, statusText: '', headers: new Headers(),
json: async () => body, text: async () => JSON.stringify(body),
});
window.fetch = async (url, init = {}) => {
const u = String(url);
calls.push({ url: u, body: init.body ? String(init.body) : '' });
if (u.includes('/v1/users/me/preferences')) return json({});
if (u.includes('/v1/users/me')) return json({ user_id: 'u-1', role: 'user' });
if (u.includes('/v1/groups/mine')) return json({ groups: [] });
if (u.includes('/v1/invite-links/preview')) return json({
group_id: '__GROUP__', group_name: 'Some Group', inviter: 'the-owner',
expires_at: '2099-01-01T00:00:00+00:00', already_member: false });
if (u.includes('/v1/invite-links/redeem')) return json({
group_id: '__GROUP__', group_name: 'Some Group' });
if (u.includes('/nodes')) return json({ nodes: [] });
return json({});
};
if (CASE === 'signed_in') {
localStorage.setItem('mb_auth', JSON.stringify({
username: 'invitee-account', userId: 'u-1', token: 'tok', refreshToken: 'ref',
role: 'user' }));
} else {
localStorage.removeItem('mb_auth');
}
sessionStorage.clear();
history.replaceState(null, '', '/?case=' + CASE + '__LINK__');
const wait = (ms) => new Promise((r) => setTimeout(r, ms));
const text = () => document.getElementById('app').innerText;
(async () => {
const out = { case: CASE };
try {
await import('/app.js');
await wait(1500);
out.hash_after_load = location.hash;
out.pending = JSON.parse(sessionStorage.getItem('mb.pendingInvite') || 'null');
out.text_after_load = text().slice(0, 600);
if (CASE === 'signed_out') {
const reg = [...document.querySelectorAll('a')]
.find((a) => a.getAttribute('href') === '#/register');
out.register_link = Boolean(reg);
if (reg) { reg.click(); await wait(500); }
out.hash_after_click = location.hash;
out.pending_after_click = Boolean(sessionStorage.getItem('mb.pendingInvite'));
} else {
// By its role, not its label: the browser's language picks the label.
const join = document.querySelector('.login-card button.btn-primary');
out.join_button = Boolean(join);
if (join) { join.click(); await wait(1500); }
out.hash_after_click = location.hash;
out.redeem_bodies = calls.filter((c) => c.url.includes('/redeem')).map((c) => c.body);
}
out.code_in_a_hub_request = calls.some(
(c) => c.url.includes('__CODE__') || c.body.includes('__CODE__'));
out.hub_calls = calls.map((c) => c.url.replace(/^https?:\/\/[^/]+/, ''));
} catch (e) {
out.error = String(e && e.stack || e);
}
post(out);
})();
</script></body></html>
""".replace("__GROUP__", GROUP).replace("__LINK__", LINK).replace("__CODE__", CODE)
class H(http.server.SimpleHTTPRequestHandler):
def log_message(self, *a):
pass
def do_POST(self):
length = int(self.headers.get("Content-Length") or 0)
body = self.rfile.read(length)
if self.path == "/log":
RECORDS.append(json.loads(body.decode()))
self.send_response(204)
self.end_headers()
def _send(self, body: bytes, ctype: str) -> None:
self.send_response(200)
self.send_header("Content-Type", ctype)
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def do_GET(self):
path = self.path.split("?")[0]
if path == "/":
self._send(PAGE.encode(), "text/html; charset=utf-8")
return
asset = (STATIC / path.lstrip("/")).resolve()
if not str(asset).startswith(str(STATIC)) or not asset.is_file():
self.send_response(404)
self.end_headers()
return
ctype = "text/javascript" if asset.suffix in (".js", ".mjs") else (
"application/wasm" if asset.suffix == ".wasm" else "application/octet-stream")
self._send(asset.read_bytes(), ctype)
def _run(case: str) -> dict | None:
before = len(RECORDS)
with tempfile.TemporaryDirectory(ignore_cleanup_errors=True) as profile:
proc = subprocess.Popen(
["google-chrome", "--headless=new", "--disable-gpu", "--no-sandbox",
f"--user-data-dir={profile}", f"http://127.0.0.1:{PORT}/?case={case}"],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
for _ in range(300):
if len(RECORDS) > before:
break
time.sleep(0.1)
proc.terminate()
try:
proc.wait(timeout=10)
except subprocess.TimeoutExpired:
proc.kill()
proc.wait()
return RECORDS[before] if len(RECORDS) > before else None
def main() -> int:
with socketserver.TCPServer(("127.0.0.1", PORT), H) as srv:
threading.Thread(target=srv.serve_forever, daemon=True).start()
results = [_run("signed_out"), _run("signed_in")]
if not all(results):
print(json.dumps({"error": "no measurement", "got": results}), file=sys.stderr)
return 1
print(json.dumps(results, indent=1))
return 0
if __name__ == "__main__":
raise SystemExit(main())
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