// Adiciona no override-home-url.php ou num arquivo separado
// wp-content/mu-plugins/sso-callback.php

add_action('init', function() {
    if (!isset($_GET['sso_token']) || !isset($_GET['uid']) || !isset($_GET['ts'])) {
        return;
    }

    $secret    = 'cebd1228a4691a566a9f46b2ea4f59c4a9464b90400134ea3694b80c0959478c'; // mesma dos dois lados
    $uid       = intval($_GET['uid']);
    $ts        = intval($_GET['ts']);
    $token     = sanitize_text_field($_GET['sso_token']);
    $redirect  = isset($_GET['redirect_to']) ? esc_url_raw($_GET['redirect_to']) : admin_url();

    // Token expira em 5 minutos
    if (abs(time() - $ts) > 300) {
        wp_die('SSO token expirado.');
    }

    // Valida assinatura HMAC
    $expected = hash_hmac('sha256', $uid . '|' . $ts, $secret);
    if (!hash_equals($expected, $token)) {
        wp_die('SSO token inválido.');
    }

    // Verifica se usuário existe
    $user = get_user_by('id', $uid);
    if (!$user) {
        wp_die('Usuário năo encontrado.');
    }

    // Faz login localmente no Pressable
    wp_set_auth_cookie($uid, true);
    wp_redirect($redirect);
    exit;
});<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Estrat&#xE9;gia Concursos</provider_name><provider_url>https://www.estrategiaconcursos.com.br/blog</provider_url><title>Concursos Nordeste: oportunidades ATUALIZADAS para a regi&#xE3;o</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="Ifl8jBmFxg"&gt;&lt;a href="https://www.estrategiaconcursos.com.br/blog/concursos-nordeste/"&gt;Concursos Nordeste: oportunidades ATUALIZADAS para a regi&#xE3;o&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.estrategiaconcursos.com.br/blog/concursos-nordeste/embed/#?secret=Ifl8jBmFxg" width="600" height="338" title="&#x201C;Concursos Nordeste: oportunidades ATUALIZADAS para a regi&#xE3;o&#x201D; &#x2014; Estrat&#xE9;gia Concursos" data-secret="Ifl8jBmFxg" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script&gt;
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r&lt;s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://www.estrategiaconcursos.com.br/blog/wp-includes/js/wp-embed.min.js
&lt;/script&gt;
</html><thumbnail_url>https://dhg1h5j42swfq.cloudfront.net/2022/01/02102005/concursos-nordeste.png</thumbnail_url><thumbnail_width>1198</thumbnail_width><thumbnail_height>627</thumbnail_height><description>Uma das maiores Regi&#xF5;es do Brasil tamb&#xE9;m &#xE9; uma das que mais movimenta o mundo dos concursos. Veja as novidades dos Concursos Nordeste 2026.</description></oembed>
