From 8b3188b21bf57bfa5ef391191a13607024ac74d5 Mon Sep 17 00:00:00 2001
From: Lizandro Guarnizo <77708265+lizandrogd@users.noreply.github.com>
Date: Thu, 9 Jul 2026 10:35:54 -0500
Subject: [PATCH] =?UTF-8?q?sidebar:=20detectar=20IP=20LAN=20local=20via=20?=
 =?UTF-8?q?WebRTC=20y=20mostrarla=20en=20el=20pie=20del=20men=C3=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 shared/components/sidebar.php | 35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/shared/components/sidebar.php b/shared/components/sidebar.php
index 3407a2b..ff99a94 100644
--- a/shared/components/sidebar.php
+++ b/shared/components/sidebar.php
@@ -244,12 +244,43 @@ if (class_exists('ModuleRegistry', false)) {
             <?= htmlspecialchars($_user_name, ENT_QUOTES, 'UTF-8') ?>
         </div>
         <div class="sidebar-user-role"><?= htmlspecialchars($_role_label, ENT_QUOTES, 'UTF-8') ?></div>
-        <div style="font-size:.68rem;color:#94a3b8;margin-top:3px;letter-spacing:.02em">
-            <i class="fas fa-network-wired me-1"></i><?= htmlspecialchars(trim(explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'] ?? $_SERVER['HTTP_X_REAL_IP'] ?? $_SERVER['REMOTE_ADDR'] ?? '')[0])) ?>
+        <div id="sb-local-ip" style="font-size:.68rem;color:#94a3b8;margin-top:3px;letter-spacing:.02em">
+            <i class="fas fa-network-wired me-1"></i><span id="sb-ip-val">detectando…</span>
         </div>
     </div>
 
 </nav>
+<script>
+(function() {
+    function detectLocalIP() {
+        var RTC = window.RTCPeerConnection || window.webkitRTCPeerConnection || window.mozRTCPeerConnection;
+        if (!RTC) { document.getElementById('sb-ip-val').textContent = '(no disponible)'; return; }
+        var pc = new RTC({ iceServers: [] }), found = false;
+        pc.createDataChannel('');
+        pc.createOffer().then(function(o) { return pc.setLocalDescription(o); }).catch(function(){});
+        pc.onicecandidate = function(e) {
+            if (found || !e || !e.candidate) return;
+            var ips = e.candidate.candidate.match(/\b(\d{1,3}\.){3}\d{1,3}\b/g) || [];
+            ips.forEach(function(ip) {
+                if (found) return;
+                if (/^(192\.168\.|10\.|172\.(1[6-9]|2\d|3[01])\.)/.test(ip)) {
+                    found = true;
+                    document.getElementById('sb-ip-val').textContent = ip;
+                    pc.close();
+                }
+            });
+        };
+        setTimeout(function() {
+            if (!found) document.getElementById('sb-ip-val').textContent = '(no detectada)';
+        }, 3000);
+    }
+    if (document.readyState === 'loading') {
+        document.addEventListener('DOMContentLoaded', detectLocalIP);
+    } else {
+        detectLocalIP();
+    }
+})();
+</script>
 
 <style>
 /* ── Header con logo ────────────────────────────────── */