merge #2108

src/ESP32React/WiFiScanner.cpp

@@ -0,0 +1,43 @@
+#include "WiFiScanner.h"
+
+WiFiScanner::WiFiScanner(AsyncWebServer * server, SecurityManager * securityManager) {
+    securityManager->addEndpoint(server, SCAN_NETWORKS_SERVICE_PATH, AuthenticationPredicates::IS_ADMIN, [this](AsyncWebServerRequest * request) {
+        scanNetworks(request);
+    });
+
+    securityManager->addEndpoint(server, LIST_NETWORKS_SERVICE_PATH, AuthenticationPredicates::IS_ADMIN, [this](AsyncWebServerRequest * request) {
+        listNetworks(request);
+    });
+};
+
+void WiFiScanner::scanNetworks(AsyncWebServerRequest * request) {
+    request->send(202); // special code to indicate scan in progress
+
+    if (WiFi.scanComplete() != -1) {
+        WiFi.scanDelete();
+        WiFi.scanNetworks(true);
+    }
+}
+
+void WiFiScanner::listNetworks(AsyncWebServerRequest * request) {
+    const int numNetworks = WiFi.scanComplete();
+    if (numNetworks > -1) {
+        auto *     response = new AsyncJsonResponse(false);
+        JsonObject root     = response->getRoot();
+        JsonArray  networks = root["networks"].to<JsonArray>();
+        for (uint8_t i = 0; i < numNetworks; i++) {
+            JsonObject network         = networks.add<JsonObject>();
+            network["rssi"]            = WiFi.RSSI(i);
+            network["ssid"]            = WiFi.SSID(i);
+            network["bssid"]           = WiFi.BSSIDstr(i);
+            network["channel"]         = WiFi.channel(i);
+            network["encryption_type"] = static_cast<uint8_t>(WiFi.encryptionType(i));
+        }
+        response->setLength();
+        request->send(response);
+    } else if (numNetworks == -1) {
+        request->send(202); // special code to indicate scan in progress
+    } else {
+        scanNetworks(request);
+    }
+}