https://www.kasatria.com/script/id-server-client.js

1((id_server, id_key) => {
2const _save = (x) => {
3  window[id_key] = x;
4  if(_is_legacy) {
5    document.cookie = `${id_key}=${x}; path=/; domain=.kasatria.com; max-age=31536000`;
6  } else {
7    cookieStore.set(id_key, x, { path: '/', domain: '.kasatria.com', maxAge: 31536000 });
8  }
9},
10_ack = (x) => {
11  return fetch(`${id_server}ack`, {
12    method: 'POST',
13    headers: {
14      'Content-Type': 'application/json'
15    },
16    body: JSON.stringify(x)
17  }).then(_handleAck, _handleError);
18},
19_handleCheck = (x) => {
20  const uid = x && x.value;
21  if (uid) _save(x.value);
22  else _getUid();
23},
24_getUid = () => {
25  fetch(id_server, {
26    credentials: 'include'
27  }).then(_handleGet, _handleError);
28},
29_handleGet = (resp) => {
30  if (resp.ok) {
31    const _recv_time = Date.now();
32    const uid_header = resp.headers.get('X-Kasatria-UID');
33    if (uid_header) _save(uid_header);
34    else {
35      resp.json().then(d => {
36        if (d.uid) _save(d.uid);
37        if (d.doAck) {
38          _ack({
39            uid: d.uid,
40            requestId: d.requestId,
41            clientReceivedEpochMs: _recv_time
42          }).then(_handleAck, _handleError);
43        }
44      }, _handleError);
45    }
46  }
47},
48_noop = () => {},
49_handleAck = _noop,
50_handleError = _noop,
51_is_legacy = typeof window.cookieStore === undefined;
52if(_is_legacy) {
53  let t = document.cookie.match(new RegExp(`(?:^|; )${id_key}=([^;]*)`));
54  if (t) _save(t[1]);
55  else _getUid();
56} else {
57  cookieStore.get(id_key).then(_handleCheck, _handleError);
58}
59})('https://uid.kasatria.com/', 'kuid');