Add user agent to pong request

src/libtomahawk/utils/TomahawkUtils.cpp

@@ -623,6 +623,27 @@ crash()
 }
 
 
+const QString
+operatingSystemVersionDetail()
+{
+#ifdef Q_OS_LINUX
+    return QSettings( "/etc/os-release", QSettings::IniFormat ).value( "PRETTY_NAME", "Linux" ).toString();
+#else
+    return "Unknown";
+#endif
+}
+
+
+const QString
+userAgentString( const QString& applicationName, const QString& applicationVersion )
+{
+    return QString( "%1/%2 (%3)" )
+    .arg( applicationName )
+    .arg( applicationVersion )
+    .arg( operatingSystemVersionDetail() );
+}
+
+
 void
 installTranslator( QObject* parent )
 {

src/libtomahawk/utils/TomahawkUtils.h

@@ -206,6 +206,11 @@ namespace TomahawkUtils
 
     DLLEXPORT void crash();
 
+    /**
+     *  User-Agent header helpers
+     */
+    DLLEXPORT const QString operatingSystemVersionDetail();
+    DLLEXPORT const QString userAgentString( const QString& applicationName, const QString& applicationVersion );
 
     /**
      * Qt4 / Qt5 compatibility layer

src/tomahawk/TomahawkApp.cpp

@@ -693,7 +693,13 @@ TomahawkApp::onInfoSystemReady()
     GlobalActionManager::instance();
 
     // check if our spotify playlist api server is up and running, and enable spotify playlist drops if so
-    QNetworkReply* r = Tomahawk::Utils::nam()->get( QNetworkRequest( QUrl( SPOTIFY_PLAYLIST_API_URL "/pong" ) ) );
+    QNetworkRequest request( QUrl( SPOTIFY_PLAYLIST_API_URL "/pong" ) );
+
+    QByteArray userAgent = TomahawkUtils::userAgentString( TOMAHAWK_APPLICATION_NAME, TOMAHAWK_VERSION ).toUtf8();
+    tLog() << "User-Agent: " << userAgent;
+    request.setRawHeader( "User-Agent", userAgent );
+
+    QNetworkReply* r = Tomahawk::Utils::nam()->get( request );
     connect( r, SIGNAL( finished() ), this, SLOT( spotifyApiCheckFinished() ) );
 
 #ifdef Q_OS_MAC