Enhancement of the webui preference and of the quote escape for javascript

src/app/application.cpp

@@ -157,7 +157,6 @@ int Application::exec(const QStringList &params)
 #ifdef DISABLE_GUI
 #ifndef DISABLE_WEBUI
     Preferences* const pref = Preferences::instance();
-    if (pref->isWebUiEnabled()) {
     // Display some information to the user
     std::cout << std::endl << "******** " << qPrintable(tr("Information")) << " ********" << std::endl;
     std::cout << qPrintable(tr("To control qBittorrent, access the Web UI at http://localhost:%1").arg(QString::number(pref->getWebUiPort()))) << std::endl;
@@ -167,7 +166,6 @@ int Application::exec(const QStringList &params)
         std::cout << qPrintable(tr("The Web UI administrator password is still the default one: %1").arg("adminadmin")) << std::endl;
         std::cout << qPrintable(tr("This is a security risk, please consider changing your password from program preferences.")) << std::endl;
     }
-    }
 #endif // DISABLE_WEBUI
 #else
     m_window = new MainWindow;

src/core/preferences.cpp

@@ -1076,7 +1076,11 @@ void Preferences::setIgnoreSlowTorrentsForQueueing(bool ignore)
 
 bool Preferences::isWebUiEnabled() const
 {
+#ifdef DISABLE_GUI
+    return true;
+#else
     return value("Preferences/WebUI/Enabled", false).toBool();
+#endif
 }
 
 void Preferences::setWebUiEnabled(bool enabled)

src/webui/abstractwebapplication.cpp

@@ -270,6 +270,10 @@ void AbstractWebApplication::translateDocument(QString& data)
             // Remove keyboard shortcuts
             translation.replace(mnemonic, "");
 
+            // Use HTML code for quotes to prevent issues with JS
+            translation.replace("'", "'");
+            translation.replace("\"", """);
+
             data.replace(i, regex.matchedLength(), translation);
             i += translation.length();
         }