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use hidden form POST w/ target=_blank so 302 redirect opens in new tab, no CORS

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Oliver
2026-06-07 19:06:56 -03:00
parent b07233f1bf
commit f626f55f8b
1 changed files with 30 additions and 46 deletions
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index.html
+26 -42
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@@ -2417,54 +2417,38 @@
}
try {
const res = await fetch(ORDER_WEBHOOK, {
method: 'POST',
redirect: 'manual',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
// Use a hidden form POST so the 302 redirect opens naturally in the new tab
const form = document.createElement('form');
form.method = 'POST';
form.action = ORDER_WEBHOOK;
form.target = '_blank';
form.style.display = 'none';
const fields = {
product: product,
agent: agent,
period: period,
location: location,
email: email || null,
coupon: coupon || null,
utm_source: document.getElementById('utm_source').value || null,
utm_medium: document.getElementById('utm_medium').value || null,
utm_campaign: document.getElementById('utm_campaign').value || null,
utm_term: document.getElementById('utm_term').value || null,
utm_content: document.getElementById('utm_content').value || null,
}),
email: email || '',
coupon: coupon || '',
utm_source: document.getElementById('utm_source').value || '',
utm_medium: document.getElementById('utm_medium').value || '',
utm_campaign: document.getElementById('utm_campaign').value || '',
utm_term: document.getElementById('utm_term').value || '',
utm_content: document.getElementById('utm_content').value || '',
};
Object.keys(fields).forEach(function (key) {
const inp = document.createElement('input');
inp.type = 'hidden';
inp.name = key;
inp.value = fields[key];
form.appendChild(inp);
});
// 3xx redirect — extract the Location header and open it
if (res.type === 'opaqueredirect' || (res.status >= 300 && res.status < 400)) {
const location = res.headers.get('Location');
if (location && location.startsWith('http')) {
window.open(location, '_blank');
return;
}
}
// Non-redirect: try parsing the body for a URL
if (!res.ok) { console.error('Webhook error:', res.status); return; }
const ct = res.headers.get('content-type') || '';
let data;
if (ct.indexOf('json') !== -1) {
data = await res.json();
} else {
data = await res.text();
}
const checkoutUrl = (data && typeof data === 'object')
? (data.url || data.checkout_url || data.checkoutUrl || data.redirect || data.redirect_url)
: null;
if (checkoutUrl && checkoutUrl.startsWith('http')) {
window.open(checkoutUrl, '_blank');
} else if (typeof data === 'string' && data.startsWith('http')) {
window.open(data, '_blank');
}
document.body.appendChild(form);
form.submit();
document.body.removeChild(form);
} catch (err) {
console.error('Order webhook failed:', err);
}