Cache more preference values

These values from Preference class are frequently used.
Also group related variables together.

src/webui/webapplication.cpp

@@ -53,7 +53,6 @@
 #include "base/utils/bytearray.h"
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
-#include "base/utils/net.h"
 #include "base/utils/random.h"
 #include "base/utils/string.h"
 #include "api/apierror.h"
@@ -426,9 +425,6 @@ void WebApplication::configure()
 {
     const auto pref = Preferences::instance();
 
-    m_domainList = pref->getServerDomains().split(';', QString::SkipEmptyParts);
-    std::for_each(m_domainList.begin(), m_domainList.end(), [](QString &entry) { entry = entry.trimmed(); });
-
     const QString rootFolder = Utils::Fs::expandPathAbs(
                 !pref->isAltWebUiEnabled() ? WWW_FOLDER : pref->getWebUiRootFolder());
     if (rootFolder != m_rootFolder) {
@@ -442,6 +438,13 @@ void WebApplication::configure()
         m_translatedFiles.clear();
     }
 
+    m_isLocalAuthEnabled = pref->isWebUiLocalAuthEnabled();
+    m_isAuthSubnetWhitelistEnabled = pref->isWebUiAuthSubnetWhitelistEnabled();
+    m_authSubnetWhitelist = pref->getWebUiAuthSubnetWhitelist();
+
+    m_domainList = pref->getServerDomains().split(';', QString::SkipEmptyParts);
+    std::for_each(m_domainList.begin(), m_domainList.end(), [](QString &entry) { entry = entry.trimmed(); });
+
     m_isClickjackingProtectionEnabled = pref->isWebUiClickjackingProtectionEnabled();
     m_isCSRFProtectionEnabled = pref->isWebUiCSRFProtectionEnabled();
     m_isHttpsEnabled = pref->isWebUiHttpsEnabled();
@@ -619,11 +622,9 @@ QString WebApplication::generateSid() const
 
 bool WebApplication::isAuthNeeded()
 {
-    qDebug("Checking auth rules against client address %s", qPrintable(m_env.clientAddress.toString()));
-    const Preferences *pref = Preferences::instance();
-    if (!pref->isWebUiLocalAuthEnabled() && Utils::Net::isLoopbackAddress(m_env.clientAddress))
+    if (!m_isLocalAuthEnabled && Utils::Net::isLoopbackAddress(m_env.clientAddress))
         return false;
-    if (pref->isWebUiAuthSubnetWhitelistEnabled() && Utils::Net::isIPInRange(m_env.clientAddress, pref->getWebUiAuthSubnetWhitelist()))
+    if (m_isAuthSubnetWhitelistEnabled && Utils::Net::isIPInRange(m_env.clientAddress, m_authSubnetWhitelist))
         return false;
     return true;
 }

src/webui/webapplication.h

@@ -39,6 +39,7 @@
 #include "base/http/irequesthandler.h"
 #include "base/http/responsebuilder.h"
 #include "base/http/types.h"
+#include "base/utils/net.h"
 #include "base/utils/version.h"
 
 constexpr Utils::Version<int, 3, 2> API_VERSION {2, 0, 1};
@@ -133,7 +134,6 @@ private:
     QSet<QString> m_publicAPIs;
     bool m_isAltUIUsed = false;
     QString m_rootFolder;
-    QStringList m_domainList;
 
     struct TranslatedFile
     {
@@ -143,7 +143,12 @@ private:
     QMap<QString, TranslatedFile> m_translatedFiles;
     QString m_currentLocale;
 
+    bool m_isLocalAuthEnabled;
+    bool m_isAuthSubnetWhitelistEnabled;
+    QList<Utils::Net::Subnet> m_authSubnetWhitelist;
+
     // security related
+    QStringList m_domainList;
     bool m_isClickjackingProtectionEnabled;
     bool m_isCSRFProtectionEnabled;
     bool m_isHttpsEnabled;