web username and password

ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaWebServer.cpp

@@ -14,6 +14,7 @@ ESPMegaWebServer::~ESPMegaWebServer()
 
 void ESPMegaWebServer::begin()
 {
+    this->loadCredentialsFromFRAM();
     this->server->begin();
     auto bindedDashboardHandler = std::bind(&ESPMegaWebServer::dashboardHandler, this, std::placeholders::_1);
     this->server->on("/", HTTP_GET, bindedDashboardHandler);
@@ -26,6 +27,83 @@ void ESPMegaWebServer::loop()
     // AsyncWebServer doesn't have a loop function
 }
 
+void ESPMegaWebServer::bindFRAM(FRAM *fram)
+{
+    this->fram = fram;
+}
+
+void ESPMegaWebServer::loadCredentialsFromFRAM()
+{
+    this->fram->read(301, (uint8_t*)this->webUsername, 32);
+    this->fram->read(333, (uint8_t*)this->webPassword, 32);
+    // Verify if credentials are valid
+    // A valid username and password is null terminated
+    // Scan for null terminator
+    bool validUsername = false;
+    bool validPassword = false;
+    for (int i = 0; i < 32; i++)
+    {
+        if (this->webUsername[i] == '\0')
+        {
+            validUsername = true;
+            break;
+       }
+    }
+    for (int i = 0; i < 32; i++)
+    {
+        if (this->webPassword[i] == '\0')
+        {
+            validPassword = true;
+            break;
+        }
+    }
+    if (!validUsername || !validPassword)
+    {
+        this->resetCredentials();
+        return;
+    }
+    // A valid username and password is at least 1 character long
+    if(strlen(this->webUsername) == 0 || strlen(this->webPassword) == 0)
+    {
+        this->resetCredentials();
+        return;
+    }
+}
+
+void ESPMegaWebServer::saveCredentialsToFRAM()
+{
+    this->fram->write(301, (uint8_t*)this->webUsername, 32);
+    this->fram->write(333, (uint8_t*)this->webPassword, 32);
+}
+
+void ESPMegaWebServer::resetCredentials()
+{
+    // The default username and password is "admin"
+    strcpy(this->webUsername, "admin");
+    strcpy(this->webPassword, "admin");
+    this->saveCredentialsToFRAM();
+}
+
+char* ESPMegaWebServer::getWebUsername()
+{
+    return this->webUsername;
+}
+
+char* ESPMegaWebServer::getWebPassword()
+{
+    return this->webPassword;
+}
+
+void ESPMegaWebServer::setWebUsername(const char* username)
+{
+    strcpy(this->webUsername, username);
+}
+
+void ESPMegaWebServer::setWebPassword(const char* password)
+{
+    strcpy(this->webPassword, password);
+}
+
 void ESPMegaWebServer::dashboardHandler(AsyncWebServerRequest *request)
 {
     auto bindedDashboardProcessor = std::bind(&ESPMegaWebServer::dashboardProcessor, this, std::placeholders::_1);
@@ -123,5 +201,20 @@ String ESPMegaWebServer::configProcessor(const String &var)
     {
         return String(mqttConfig->base_topic);
     }
+    else if (var == "web_username")
+    {
+        return String(this->webUsername);
+    }
+    else if (var == "web_password")
+    {
+        return String(this->webPassword);
+    }
     return "";
-}
+}
+
+void ESPMegaWebServer::otaHandler(AsyncWebServerRequest *request)
+{
+    // Prepare to receive firmware
+
+}
+