Fixed small bug with settings button being stuck in disabled after an unexpected disconnect, as well as added a new feature for the server to check if the connection is comming froms someone using the app instead of bots trying to ping it and take up space on the server.

Author: GoldenDragonJD

mainwindow.cpp

@@ -357,18 +357,10 @@ MainWindow::MainWindow(QWidget *parent)
             });
 
     connect(socket, &QTcpSocket::readyRead, this, [this]() {
-
-        // Drain buffered data. This prevents "tiny files" from stalling when
-        // file bytes + next JSON line arrive in the same TCP packet.
         while (true)
         {
-            // =========================
-            // MODE 0: read client ID int
-            // =========================
             if (mode == 0)
             {
-                // Only read exactly sizeof(int). Do NOT readAll() or you can
-                // accidentally consume buffered JSON that arrived right after the id.
                 if (socket->bytesAvailable() < (qint64)sizeof(int))
                     return;
 
@@ -382,23 +374,21 @@ MainWindow::MainWindow(QWidget *parent)
 
                 ui->ClientID->setText("Client ID: " + QString::number(id));
                 myId = id;
+
+                socket->write("DirectFilePushClient");
+
                 mode = 1;
 
-                // Keep looping in case JSON is already buffered
                 continue;
             }
 
-            // =========================
-            // MODE 1: newline-delimited JSON control messages
-            // =========================
             if (mode == 1)
             {
-                // Only parse when we have a full line ending in '\n'
                 if (!socket->canReadLine())
                     return;
 
                 QByteArray line = socket->readLine();
-                line = line.trimmed(); // remove '\n' and possible '\r'
+                line = line.trimmed();
 
                 if (line.isEmpty())
                     continue;
@@ -1189,6 +1179,7 @@ MainWindow::MainWindow(QWidget *parent)
         ui->sendButton->setEnabled(true);
         ui->pairButton->setEnabled(true);
         ui->MessageInput->setEnabled(true);
+        ui->settingsButton->setEnabled(true);
         ui->ActivateEncryption->setEnabled(false);
         ui->ActivateEncryption->setChecked(false);