Fixed #48.

src/core/feedsmodelfeed.cpp

@@ -177,7 +177,7 @@ QPair<FeedsModelFeed*, QNetworkReply::NetworkError> FeedsModelFeed::guessFeed(co
   }
 
   QByteArray feed_contents;
-  NetworkResult network_result = NetworkFactory::downloadFile(url,
+  NetworkResult network_result = NetworkFactory::downloadFeedFile(url,
                                                                   qApp->settings()->value(APP_CFG_FEEDS, "feed_update_timeout", DOWNLOAD_TIMEOUT).toInt(),
                                                                   feed_contents,
                                                                   !username.isEmpty(),
@@ -395,7 +395,7 @@ QVariant FeedsModelFeed::data(int column, int role) const {
 void FeedsModelFeed::update() {
   QByteArray feed_contents;
   int download_timeout = qApp->settings()->value(APP_CFG_FEEDS, "feed_update_timeout", DOWNLOAD_TIMEOUT).toInt();
-  m_networkError = NetworkFactory::downloadFile(url(), download_timeout, feed_contents, passwordProtected(), username(), password()).first;
+  m_networkError = NetworkFactory::downloadFeedFile(url(), download_timeout, feed_contents, passwordProtected(), username(), password()).first;
 
   if (m_networkError != QNetworkReply::NoError) {
     qWarning("Error during fetching of new messages for feed '%s' (id %d).", qPrintable(url()), id());

src/definitions/definitions.h.in

@@ -74,6 +74,7 @@
 #define FILTER_WIDTH                          150
 #define FILTER_RIGHT_MARGIN                   5
 #define FEEDS_VIEW_INDENTATION                10
+#define ACCEPT_HEADER_FOR_FEED_DOWNLOADER     "application/atom+xml,application/xml;q=0.9,text/xml;q=0.8,*/*;q=0.7"
 
 #define APP_DB_MYSQL_DRIVER           "QMYSQL"
 #define APP_DB_MYSQL_INIT             "db_init_mysql.sql"

src/network-web/downloader.cpp

@@ -24,7 +24,7 @@
 
 Downloader::Downloader(QObject *parent)
   : QObject(parent), m_activeReply(NULL), m_downloadManager(new SilentNetworkAccessManager(this)),
-    m_timer(new QTimer(this)), m_lastOutputData(QByteArray()),
+    m_timer(new QTimer(this)), m_customHeaders(QHash<QByteArray, QByteArray>()), m_lastOutputData(QByteArray()),
     m_lastOutputError(QNetworkReply::NoError), m_lastContentType(QVariant()) {
 
   m_timer->setInterval(DOWNLOAD_TIMEOUT);
@@ -49,6 +49,10 @@ void Downloader::downloadFile(const QString &url, int timeout, bool protected_co
   originatingObject.setProperty("password", password);
   request.setOriginatingObject(&originatingObject);
 
+  foreach (const QByteArray &header_name, m_customHeaders.keys()) {
+    request.setRawHeader(header_name, m_customHeaders.value(header_name));
+  }
+
   // Set url for this request and fire it up.
   m_timer->setInterval(timeout);
 
@@ -126,6 +130,10 @@ QVariant Downloader::lastContentType() const {
   return m_lastContentType;
 }
 
+void Downloader::appendRawHeader(const QByteArray &name, const QByteArray &value) {
+  m_customHeaders.insert(name, value);
+}
+
 QNetworkReply::NetworkError Downloader::lastOutputError() const {
   return m_lastOutputError;
 }

src/network-web/downloader.h

@@ -43,6 +43,8 @@ class Downloader : public QObject {
     QVariant lastContentType() const;
 
   public slots:
+    void appendRawHeader(const QByteArray &name, const QByteArray &value);
+
     // Performs asynchronous download of given file. Redirections are handled.
     void downloadFile(const QString &url, int timeout = DOWNLOAD_TIMEOUT, bool protected_contents = false,
                       const QString &username = QString(), const QString &password = QString());
@@ -69,6 +71,7 @@ class Downloader : public QObject {
     QNetworkReply *m_activeReply;
     SilentNetworkAccessManager *m_downloadManager;
     QTimer *m_timer;
+    QHash<QByteArray, QByteArray> m_customHeaders;
 
     QByteArray m_lastOutputData;
     QNetworkReply::NetworkError m_lastOutputError;

src/network-web/networkfactory.cpp

@@ -96,9 +96,7 @@ QString NetworkFactory::networkErrorText(QNetworkReply::NetworkError error_code)
   }
 }
 
-QNetworkReply::NetworkError NetworkFactory::downloadIcon(const QString &url,
+QNetworkReply::NetworkError NetworkFactory::downloadIcon(const QString &url, int timeout, QIcon &output) {
-                                                         int timeout,
-                                                         QIcon &output) {
 #if QT_VERSION >= 0x050000
   QString google_s2_with_url = QString("http://www.google.com/s2/favicons?domain=%1").arg(url.toHtmlEscaped());
 #else
@@ -116,6 +114,29 @@ QNetworkReply::NetworkError NetworkFactory::downloadIcon(const QString &url,
   return network_result;
 }
 
+NetworkResult NetworkFactory::downloadFeedFile(const QString &url, int timeout,
+                                               QByteArray &output, bool protected_contents,
+                                               const QString &username, const QString &password) {
+  // Here, we want to achieve "synchronous" approach because we want synchronout download API for
+  // some use-cases too.
+  Downloader downloader;
+  QEventLoop loop;
+  NetworkResult result;
+
+  downloader.appendRawHeader("Accept", ACCEPT_HEADER_FOR_FEED_DOWNLOADER);
+
+  // We need to quit event loop when the download finishes.
+  QObject::connect(&downloader, SIGNAL(completed(QNetworkReply::NetworkError)), &loop, SLOT(quit()));
+
+  downloader.downloadFile(url, timeout, protected_contents, username, password);
+  loop.exec();
+  output = downloader.lastOutputData();
+  result.first = downloader.lastOutputError();
+  result.second = downloader.lastContentType();
+
+  return result;
+}
+
 NetworkResult NetworkFactory::downloadFile(const QString &url, int timeout,
                                            QByteArray &output, bool protected_contents,
                                            const QString &username, const QString &password) {

src/network-web/networkfactory.h

@@ -41,6 +41,10 @@ class NetworkFactory {
     // given URL belongs to.
     static QNetworkReply::NetworkError downloadIcon(const QString &url, int timeout, QIcon &output);
 
+    static NetworkResult downloadFeedFile(const QString &url, int timeout, QByteArray &output,
+                                          bool protected_contents = false, const QString &username = QString(),
+                                          const QString &password = QString());
+
     // Performs SYNCHRONOUS download of file with given URL
     // and given timeout.
     static NetworkResult downloadFile(const QString &url, int timeout, QByteArray &output,