1 files changed, 60 insertions, 0 deletions
diff --git a/libraries/ESP_Async_WebServer/examples/CaptivePortal/CaptivePortal.ino b/libraries/ESP_Async_WebServer/examples/CaptivePortal/CaptivePortal.ino
new file mode 100644
index 0000000..a872a9b
--- /dev/null
+++ b/libraries/ESP_Async_WebServer/examples/CaptivePortal/CaptivePortal.ino
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+#include <DNSServer.h>
+#ifdef ESP32
+#include <AsyncTCP.h>
+#include <WiFi.h>
+#elif defined(ESP8266)
+#include <ESP8266WiFi.h>
+#include <ESPAsyncTCP.h>
+#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
+#include <RPAsyncTCP.h>
+#include <WiFi.h>
+#endif
+#include "ESPAsyncWebServer.h"
+
+static DNSServer dnsServer;
+static AsyncWebServer server(80);
+
+class CaptiveRequestHandler : public AsyncWebHandler {
+public:
+  bool canHandle(__unused AsyncWebServerRequest *request) const override {
+    return true;
+  }
+
+  void handleRequest(AsyncWebServerRequest *request) {
+    AsyncResponseStream *response = request->beginResponseStream("text/html");
+    response->print("<!DOCTYPE html><html><head><title>Captive Portal</title></head><body>");
+    response->print("<p>This is our captive portal front page.</p>");
+    response->printf("<p>You were trying to reach: http://%s%s</p>", request->host().c_str(), request->url().c_str());
+#ifndef CONFIG_IDF_TARGET_ESP32H2
+    response->printf("<p>Try opening <a href='http://%s'>this link</a> instead</p>", WiFi.softAPIP().toString().c_str());
+#endif
+    response->print("</body></html>");
+    request->send(response);
+  }
+};
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println("Configuring access point...");
+
+#ifndef CONFIG_IDF_TARGET_ESP32H2
+  if (!WiFi.softAP("esp-captive")) {
+    Serial.println("Soft AP creation failed.");
+    while (1);
+  }
+
+  dnsServer.start(53, "*", WiFi.softAPIP());
+#endif
+
+  server.addHandler(new CaptiveRequestHandler()).setFilter(ON_AP_FILTER);  // only when requested from AP
+  // more handlers...
+  server.begin();
+}
+
+void loop() {
+  dnsServer.processNextRequest();
+}