Deprecate hardcoded string-based authentication, add AUTH packet (#489)

Co-authored-by: oldmud0 <oldmud0@users.noreply.github.com>

include/aoapplication.h

@@ -87,6 +87,7 @@ public:
   bool effects_enabled = false;
   bool y_offset_enabled = false;
   bool expanded_desk_mods_enabled = false;
+  bool auth_packet_enabled = false;
 
   ///////////////loading info///////////////////
 

include/courtroom.h

@@ -312,6 +312,8 @@ public:
   // Truncates text so it fits within theme-specified boundaries and sets the tooltip to the full string
   void truncate_label_text(QWidget* p_widget, QString p_identifier);
 
+  void on_authentication_state_received(int p_state);
+
   ~Courtroom();
 private:
   AOApplication *ao_app;

src/courtroom.cpp

@@ -1634,15 +1634,30 @@ void Courtroom::append_server_chatmessage(QString p_name, QString p_message,
     color =
         ao_app->get_color("server_chatlog_sender_color", "courtroom_fonts.ini")
             .name();
-  if (p_message == "Logged in as a moderator.") {
+  if (!ao_app->auth_packet_enabled && p_message == "Logged in as a moderator.") {
-    ui_guard->show();
+    // Emulate successful authentication
-    append_server_chatmessage(
+    on_authentication_state_received(1);
-        tr("CLIENT"), tr("You were granted the Disable Modcalls button."), "1");
   }
 
+
   ui_server_chatlog->append_chatmessage(p_name, p_message, color);
 }
 
+void Courtroom::on_authentication_state_received(int p_state)
+{
+  if (p_state >= 1) {
+    ui_guard->show();
+    append_server_chatmessage(tr("CLIENT"), tr("You were granted the Disable Modcalls button."), "1");
+  }
+  else if (p_state == 0) {
+    append_server_chatmessage(tr("CLIENT"), tr("Login unsuccessful."), "1");
+  }
+  else if (p_state < 0) {
+    ui_guard->hide();
+    append_server_chatmessage(tr("CLIENT"), tr("You were logged out."), "1");
+  }
+}
+
 void Courtroom::on_chat_return_pressed()
 {
   if (is_muted)

src/packet_distribution.cpp

@@ -199,6 +199,7 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
     additive_enabled = false;
     effects_enabled = false;
     expanded_desk_mods_enabled = false;
+    auth_packet_enabled = false;
     if (f_packet.contains("yellowtext", Qt::CaseInsensitive))
       yellow_text_enabled = true;
     if (f_packet.contains("prezoom", Qt::CaseInsensitive))
@@ -229,6 +230,8 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
         y_offset_enabled = true;
     if (f_packet.contains("expanded_desk_mods", Qt::CaseInsensitive))
       expanded_desk_mods_enabled = true;
+    if (f_packet.contains("auth_packet", Qt::CaseInsensitive))
+      auth_packet_enabled = true;
   }
   else if (header == "PN") {
     if (f_contents.size() < 2)
@@ -683,6 +686,14 @@ void AOApplication::server_packet_received(AOPacket *p_packet)
     if (f_contents.size() > 1 && f_contents.at(1) == "1")
       w_courtroom->on_reload_theme_clicked();
   }
+  // Auth packet
+  else if (header == "AUTH") {
+    if (!courtroom_constructed || !auth_packet_enabled || f_contents.size() < 1)
+      goto end;
+    int authenticated = f_contents.at(0).toInt();
+
+    w_courtroom->on_authentication_state_received(authenticated);
+  }
 
 end: