Added device reboot functionality

src/WebApi_maintenance.cpp

@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2022 Thomas Basler and others
+ */
+
+#include "WebApi_maintenance.h"
+#include "AsyncJson.h"
+#include "WebApi.h"
+
+void WebApiMaintenanceClass::init(AsyncWebServer* server)
+{
+    using std::placeholders::_1;
+
+    _server = server;
+
+    _server->on("/api/maintenance/reboot", HTTP_POST, std::bind(&WebApiMaintenanceClass::onRebootPost, this, _1));
+}
+
+void WebApiMaintenanceClass::loop()
+{
+}
+
+void WebApiMaintenanceClass::onRebootPost(AsyncWebServerRequest* request)
+{
+    if (!WebApi.checkCredentials(request)) {
+        return;
+    }
+
+    AsyncJsonResponse* response = new AsyncJsonResponse(false, MQTT_JSON_DOC_SIZE);
+    JsonObject retMsg = response->getRoot();
+    retMsg[F("type")] = F("warning");
+
+    if (!request->hasParam("data", true)) {
+        retMsg[F("message")] = F("No values found!");
+        response->setLength();
+        request->send(response);
+        return;
+    }
+
+    String json = request->getParam("data", true)->value();
+
+    if (json.length() > MQTT_JSON_DOC_SIZE) {
+        retMsg[F("message")] = F("Data too large!");
+        response->setLength();
+        request->send(response);
+        return;
+    }
+
+    DynamicJsonDocument root(MQTT_JSON_DOC_SIZE);
+    DeserializationError error = deserializeJson(root, json);
+
+    if (error) {
+        retMsg[F("message")] = F("Failed to parse data!");
+        response->setLength();
+        request->send(response);
+        return;
+    }
+
+    if (!(root.containsKey("reboot"))) {
+        retMsg[F("message")] = F("Values are missing!");
+        response->setLength();
+        request->send(response);
+        return;
+    }
+
+    if (root[F("reboot")].as<bool>()) {
+        retMsg[F("type")] = F("success");
+        retMsg[F("message")] = F("Reboot triggered!");
+
+        response->setLength();
+        request->send(response);
+        yield();
+        delay(1000);
+        yield();
+        ESP.restart();
+    } else {
+        retMsg[F("message")] = F("Reboot cancled!");
+
+        response->setLength();
+        request->send(response);
+    }
+}