[frontend] Generate web token at runtime (#3462)

Rather than having that hardcoded one like before. Also adds
infrastructure which should make it easier to setup defaults at runtime
(e.g. GPU stuff?)

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3462
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>

src/android/app/src/main/jni/native_config.cpp

@@ -1,18 +1,19 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include <string>
 
 #include <jni.h>
-#include <common/fs/path_util.h>
 
 #include "android_config.h"
 #include "android_settings.h"
 #include "common/android/android_common.h"
 #include "common/android/id_cache.h"
+#include "common/fs/path_util.h"
 #include "common/logging/log.h"
 #include "common/settings.h"
 #include "frontend_common/config.h"
+#include "frontend_common/settings_generator.h"
 #include "native.h"
 
 std::unique_ptr<AndroidConfig> global_config;
@@ -37,6 +38,7 @@ extern "C" {
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializeGlobalConfig(JNIEnv* env, jobject obj) {
     global_config = std::make_unique<AndroidConfig>();
+    FrontendCommon::GenerateSettings();
 }
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_unloadGlobalConfig(JNIEnv* env, jobject obj) {

src/common/settings.h

@@ -786,7 +786,7 @@ struct Values {
                                      Category::WebService};
     Setting<std::string> eden_username{linkage, "Eden", "eden_username",
                                        Category::WebService};
-    Setting<std::string> eden_token{linkage, "njausoolxygtpvraofqunuufhmupriifnpfggjxefntlyglr",
+    Setting<std::string> eden_token{linkage, "",
                                     "eden_token", Category::WebService};
 
     // Add-Ons

src/frontend_common/CMakeLists.txt

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
@@ -12,7 +12,8 @@ add_library(frontend_common STATIC
     firmware_manager.cpp
     data_manager.h data_manager.cpp
     play_time_manager.cpp
-    play_time_manager.h)
+    play_time_manager.h
+    settings_generator.h settings_generator.cpp)
 
 if (ENABLE_UPDATE_CHECKER)
     target_link_libraries(frontend_common PRIVATE httplib::httplib)
@@ -29,4 +30,6 @@ if (ENABLE_UPDATE_CHECKER)
 endif()
 
 create_target_directory_groups(frontend_common)
-target_link_libraries(frontend_common PUBLIC core SimpleIni::SimpleIni PRIVATE common Boost::headers)
+target_link_libraries(frontend_common
+    PUBLIC core SimpleIni::SimpleIni frozen::frozen-headers
+    PRIVATE common Boost::headers)

src/frontend_common/settings_generator.cpp

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <random>
+#include <frozen/string.h>
+#include "common/settings.h"
+#include "settings_generator.h"
+
+namespace FrontendCommon {
+
+void GenerateSettings() {
+    static std::random_device rd;
+
+    // Web Token //
+    auto &token_setting = Settings::values.eden_token;
+    if (token_setting.GetValue().empty()) {
+        static constexpr const size_t token_length = 48;
+        static constexpr const frozen::string token_set = "abcdefghijklmnopqrstuvwxyz";
+        static std::uniform_int_distribution<int> token_dist(0, token_set.size() - 1);
+        std::string result;
+
+        for (size_t i = 0; i < token_length; ++i) {
+            size_t idx = token_dist(rd);
+            result += token_set[idx];
+        }
+
+        token_setting.SetValue(result);
+    }
+}
+
+}

src/frontend_common/settings_generator.h

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+namespace FrontendCommon {
+
+/**
+ * @brief GenerateSettings Generate platform-specific or randomized settings.
+ * Run this function at initialization time for your frontend.
+ */
+void GenerateSettings();
+
+}

src/qt_common/CMakeLists.txt

@@ -78,12 +78,9 @@ target_compile_definitions(qt_common PUBLIC
     QT_NO_URL_CAST_FROM_STRING
 )
 
-# pass targets
-find_package(frozen)
-
 target_link_libraries(qt_common PRIVATE core Qt6::Core Qt6::Concurrent SimpleIni::SimpleIni QuaZip::QuaZip)
 target_link_libraries(qt_common PUBLIC frozen::frozen-headers)
-target_link_libraries(qt_common PRIVATE gamemode::headers)
+target_link_libraries(qt_common PRIVATE gamemode::headers frontend_common)
 
 if (NOT APPLE AND ENABLE_OPENGL)
     target_compile_definitions(qt_common PUBLIC HAS_OPENGL)

src/yuzu/main_window.cpp

@@ -3,6 +3,7 @@
 
 // Qt on macOS doesn't define VMA shit
 #include <boost/algorithm/string/split.hpp>
+#include "frontend_common/settings_generator.h"
 #include "qt_common/qt_string_lookup.h"
 #if defined(QT_STATICPLUGIN) && !defined(__APPLE__)
 #undef VMA_IMPLEMENTATION
@@ -432,6 +433,7 @@ MainWindow::MainWindow(bool has_broken_vulkan)
     Common::Log::Start();
 
     LoadTranslation();
+    FrontendCommon::GenerateSettings();
 
     setAcceptDrops(true);
     ui->setupUi(this);