create seperate api class

SourceCode/arduino/lib/Firewall/esp32Firewall.cpp

@@ -1,22 +1,8 @@
 #include "esp32Firewall.hpp"
 
-esp32Firewall::esp32Firewall(const uint16_t api_port)
+esp32Firewall::esp32Firewall()
 {
     this->setup_eeprom();
-    this->setup_certificate();
-    this->firewall_api = new HTTPSServer(this->certificate, api_port, 5);
-    this->setup_routing();
-    log_i("Starting server...");
-    this->firewall_api->start();
-    if (this->firewall_api->isRunning())
-    {
-        log_i("Server ready.");
-    }
-}
-
-void esp32Firewall::handle_firewall_api_clients()
-{
-    this->firewall_api->loop();
 }
 
 String esp32Firewall::protocol_to_string(firewall_protocol_t &protocol)
@@ -242,14 +228,10 @@ void esp32Firewall::setup_routing()
     ResourceNode *get_firewall_rules = new ResourceNode("/api/v1/firewall", "GET", std::bind(&esp32Firewall::get_firewall_rules_handler, this, std::placeholders::_1, std::placeholders::_2));
     ResourceNode *post_firewall = new ResourceNode("/api/v1/firewall", "POST", std::bind(&esp32Firewall::post_firewall_handler, this, std::placeholders::_1, std::placeholders::_2));
     ResourceNode *delete_firewall = new ResourceNode("/api/v1/firewall/*", "DELETE", std::bind(&esp32Firewall::delete_firewall_handler, this, std::placeholders::_1, std::placeholders::_2));
-    ResourceNode *restart_device = new ResourceNode("/api/v1/device/restart", "GET", std::bind(&esp32Firewall::restart_device_handler, this, std::placeholders::_1, std::placeholders::_2));
-    ResourceNode *not_found = new ResourceNode("", "GET", std::bind(&esp32Firewall::not_found_handler, this, std::placeholders::_1, std::placeholders::_2));
     this->firewall_api->registerNode(get_firewall_rule);
     this->firewall_api->registerNode(get_firewall_rules);
     this->firewall_api->registerNode(post_firewall);
     this->firewall_api->registerNode(delete_firewall);
-    this->firewall_api->setDefaultNode(restart_device);
-    this->firewall_api->setDefaultNode(not_found);
 }
 
 void esp32Firewall::json_generic_response(HTTPResponse *response, String serialized, const uint16_t response_code)
@@ -305,18 +287,6 @@ String esp32Firewall::construct_json_firewall()
     return response;
 }
 
-void esp32Firewall::not_found_handler(HTTPRequest *request, HTTPResponse *response)
-{
-    this->json_message_response(response, "not found", 404);
-}
-
-void esp32Firewall::restart_device_handler(HTTPRequest *request, HTTPResponse *response)
-{
-    this->json_message_response(response, "restarting device in 2 sec", 200);
-    sleep(2000);
-    esp_restart();
-}
-
 void esp32Firewall::get_firewall_rule_handler(HTTPRequest *request, HTTPResponse *response)
 {
     ResourceParameters *params = request->getParams();

SourceCode/arduino/lib/Firewall/esp32Firewall.hpp

@@ -52,8 +52,6 @@ class esp32Firewall
     void json_message_response(HTTPResponse *, String, const uint16_t);
     String construct_json_firewall_rule(firewall_rule_t *);
     String construct_json_firewall();
-    void not_found_handler(HTTPRequest *, HTTPResponse *);
-    void restart_device_handler(HTTPRequest *, HTTPResponse *);
     void get_firewall_rule_handler(HTTPRequest *, HTTPResponse *);
     void get_firewall_rules_handler(HTTPRequest *, HTTPResponse *);
     bool request_has_firewall_parameter(ResourceParameters *);
@@ -61,8 +59,7 @@ class esp32Firewall
     void delete_firewall_handler(HTTPRequest *, HTTPResponse *);
 
 public:
-    esp32Firewall(const uint16_t = 8080);
-    void handle_firewall_api_clients();
+    esp32Firewall();
 };
 
 #endif

SourceCode/arduino/lib/Firewall/esp32FirewallAPI.cpp

@@ -0,0 +1,76 @@
+#include "esp32FirewallAPI.hpp"
+
+esp32FirewallApi::esp32FirewallApi(const uint16_t port)
+{
+    this->setup_certificate();
+    this->server = new HTTPSServer(this->certificate, port, 5);
+    this->setup_routing();
+    log_i("Starting server...");
+    this->server->start();
+    if (this->server->isRunning())
+    {
+        log_i("Server ready.");
+    }
+}
+
+void esp32FirewallApi::handle_clients()
+{
+    this->server->loop();
+}
+
+void esp32FirewallApi::setup_certificate()
+{
+    log_i("Creating the certificate...");
+    this->certificate = new SSLCert();
+    int createCertResult = createSelfSignedCert(
+        *this->certificate,
+        KEYSIZE_2048,
+        "CN=myesp32.local,O=Firewall,C=DE",
+        "20220101000000",
+        "20320101000000");
+    if (createCertResult != 0)
+    {
+        log_e("Cerating certificate failed. Error Code = 0x%02X, check SSLCert.hpp for details", createCertResult);
+        while (true)
+            delay(500);
+    }
+    log_i("Creating the certificate was successful");
+}
+
+void esp32FirewallApi::setup_routing()
+{
+    ResourceNode *restart_device = new ResourceNode("/api/v1/device/restart", "GET", std::bind(&esp32FirewallApi::restart_device_handler, this, std::placeholders::_1, std::placeholders::_2));
+    ResourceNode *not_found = new ResourceNode("", "GET", std::bind(&esp32FirewallApi::not_found_handler, this, std::placeholders::_1, std::placeholders::_2));
+    this->server->registerNode(restart_device);
+    this->server->setDefaultNode(not_found);
+}
+
+void esp32FirewallApi::restart_device_handler(HTTPRequest *request, HTTPResponse *response)
+{
+    this->json_message_response(response, "restarting device in 2 sec", 200);
+    sleep(2000);
+    esp_restart();
+}
+
+void esp32FirewallApi::not_found_handler(HTTPRequest *request, HTTPResponse *response)
+{
+    this->json_message_response(response, "not found", 404);
+}
+
+void esp32FirewallApi::json_generic_response(HTTPResponse *response, String serialized, const uint16_t response_code)
+{
+    response->setHeader("Content-Type", "application/json");
+    response->setStatusCode(response_code);
+    response->println(serialized);
+}
+
+void esp32FirewallApi::json_message_response(HTTPResponse *response, String message, const uint16_t response_code)
+{
+    response->setHeader("Content-Type", "application/json");
+    response->setStatusCode(response_code);
+    StaticJsonDocument<96> json;
+    String serialized;
+    json["message"] = message;
+    serializeJson(json, serialized);
+    response->println(serialized);
+}

SourceCode/arduino/lib/Firewall/esp32FirewallAPI.hpp

@@ -0,0 +1,29 @@
+#ifndef ESP32_FIREWALL_API_HPP
+#define ESP32_FIREWALL_API_HPP
+
+#include "HTTPSServer.hpp"
+#include "SSLCert.hpp"
+#include "HTTPRequest.hpp"
+#include "HTTPResponse.hpp"
+#include "ArduinoJson.h"
+
+using namespace httpsserver;
+
+class esp32FirewallApi
+{
+    HTTPSServer *server;
+    SSLCert *certificate;
+
+    void setup_certificate();
+    void setup_routing();
+    void restart_device_handler(HTTPRequest *, HTTPResponse *);
+    void not_found_handler(HTTPRequest *, HTTPResponse *);
+
+public:
+    esp32FirewallApi(const uint16_t = 8080);
+    void handle_clients();
+    void json_generic_response(HTTPResponse *, String, const uint16_t);
+    void json_message_response(HTTPResponse *, String, const uint16_t);
+};
+
+#endif

SourceCode/arduino/src/main.cpp

@@ -1,8 +1,10 @@
 #include "theSecrets.h"
 #include "WiFi.h"
-#include "esp32Firewall.hpp"
 
-const char *esp_ip_address;
+#include "esp32Firewall.hpp"
+#include "esp32FirewallAPI.hpp"
+
+esp32FirewallApi *firewall_api;
 esp32Firewall *firewall;
 
 void setup_wifi()
@@ -17,17 +19,17 @@ void setup_wifi()
     delay(2000);
     log_d("Connecting... (%i/%i)", retries++, max_retries);
   }
-  esp_ip_address = WiFi.localIP().toString().c_str();
-  log_i("Connected, IP Address: %s", esp_ip_address);
+  log_i("Connected, IP Address: %s", WiFi.localIP().toString());
 }
 
 void setup()
 {
   setup_wifi();
   firewall = new esp32Firewall;
+  firewall_api = new esp32FirewallApi;
 }
 
 void loop()
 {
-  firewall->handle_firewall_api_clients();
+  firewall_api->handle_clients();
 }