Add available CA certificate debug information

Author: nirvn

src/core/qgismobileapp.cpp

@@ -140,6 +140,7 @@
 #include <QQmlFileSelector>
 #include <QResource>
 #include <QScreen>
+#include <QSslConfiguration>
 #include <QStyleHints>
 #include <QtQml/QQmlApplicationEngine>
 #include <QtQml/QQmlContext>
@@ -202,6 +203,14 @@ QgisMobileapp::QgisMobileapp( QgsApplication *app, QObject *parent )
   , mFirstRenderingFlag( true )
   , mApp( app )
 {
+  QSslConfiguration sslConfiguration = QSslConfiguration::defaultConfiguration();
+  const QList<QSslCertificate> certs = sslConfiguration.caCertificates();
+  qInfo() << QStringLiteral( "Available CA certificates:" );
+  for ( const QSslCertificate cert : certs )
+  {
+    qInfo() << QStringLiteral( "- %1" ).arg( cert.issuerDisplayName() );
+  }
+
   // Set a nicer default hyperlink color to be used in QML Text items
   QPalette palette = app->palette();
   palette.setColor( QPalette::Link, QColor( 128, 204, 40 ) );