https://compeuro.lv/wp-content/plugins/compeuro-goodaff/affiliate-referral-v6.js

1(() => {
2  const storageKey = 'compeuro_oppref';
3  const cookieLifetime = 30 * 24 * 60 * 60;
4  let savedReferral = '';
5
6  function readCookie() {
7    try {
8      const entry = document.cookie.split(';').map(v => v.trim())
9        .find(v => v.startsWith(storageKey + '='));
10      return entry ? decodeURIComponent(entry.slice(storageKey.length + 1)) : '';
11    } catch { return ''; }
12  }
13  function remember(value, persistCookie) {
14    savedReferral = value;
15    try { window.sessionStorage.setItem(storageKey, value); } catch {}
16    if (persistCookie) {
17      try {
18        const encoded = encodeURIComponent(value);
19        if (encoded.length <= 3500) {
20          document.cookie = storageKey + '=' + encoded + '; Path=/; Max-Age=' + cookieLifetime +
21            '; SameSite=Lax' + (window.location.protocol === 'https:' ? '; Secure' : '');
22        }
23      } catch {}
24    }
25  }
26  const initialCookie = readCookie();
27  if (initialCookie && initialCookie.trim()) remember(initialCookie, false);
28  else {
29    try { savedReferral = window.sessionStorage.getItem(storageKey) || ''; } catch {}
30    if (savedReferral && savedReferral.trim()) remember(savedReferral, true);
31  }
32
33  function referralValue() {
34    const page = new URL(window.location.href);
35    if (page.searchParams.has('oppref')) {
36      const incoming = page.searchParams.get('oppref');
37      if (incoming && incoming.trim()) remember(incoming, true);
38      page.searchParams.delete('oppref');
39      try { window.history.replaceState(window.history.state, '', page.href); } catch {}
40    } else {
41      // A new referral in another tab takes precedence over this tab's older value.
42      const cookie = readCookie();
43      if (cookie && cookie.trim() && cookie !== savedReferral) remember(cookie, false);
44    }
45    return savedReferral && savedReferral.trim() ? savedReferral : 'compeuro';
46  }
47  referralValue();
48
49  const affiliateHosts = new Set(['go.goodaff.eu', 'doafftracking.tech']);
50
51  function updateLink(link) {
52    if (!(link instanceof HTMLAnchorElement) || !link.hasAttribute('href')) return;
53    let url;
54    try { url = new URL(link.getAttribute('href'), window.location.href); }
55    catch { return; }
56    if (!['http:', 'https:'].includes(url.protocol)) return;
57    if (!affiliateHosts.has(url.hostname) && !link.relList.contains('sponsored')) return;
58
59    const value = referralValue();
60    // Replace an existing s1 and append it after the other query parameters.
61    url.searchParams.delete('s1');
62    url.searchParams.append('s1', value);
63    // Identify the clicked page without propagating its tracking query or fragment.
64    url.searchParams.delete('s2');
65    url.searchParams.append('s2', window.location.origin + window.location.pathname);
66    if (link.href !== url.href) link.href = url.href;
67  }
68
69  function scan(root) {
70    if (root instanceof HTMLAnchorElement) updateLink(root);
71    if (root.querySelectorAll) root.querySelectorAll('a[href]').forEach(updateLink);
72  }
73
74  scan(document);
75  new MutationObserver(records => {
76    records.forEach(record => {
77      if (record.type === 'attributes') updateLink(record.target);
78      else record.addedNodes.forEach(scan);
79    });
80  }).observe(document.documentElement, {subtree:true, childList:true, attributes:true, attributeFilter:['href','rel']});
81
82  // Also use the current URL if its query string changed without a page reload.
83  ['pointerdown', 'click', 'auxclick', 'contextmenu'].forEach(event => {
84    document.addEventListener(event, e => {
85      if (e.target instanceof Element) updateLink(e.target.closest('a[href]'));
86    }, true);
87  });
88  window.addEventListener('popstate', () => { referralValue(); scan(document); });
89  window.addEventListener('pageshow', () => {
90    referralValue(); scan(document);
91  });
92})();