set network access manager factory for qml

src/gui/main.cpp

@@ -122,6 +122,7 @@ int main(int argc, char *argv[])
     engine.rootContext()->setContextProperty("DaemonManager", daemonManager);
     ProxyManager * proxyManager = new ProxyManager(&engine);
     engine.rootContext()->setContextProperty("ProxyManager", proxyManager);
+    engine.setNetworkAccessManagerFactory(proxyManager);
     // we can also register an instance of a class instead of the class itself
     WalletController *wallet = new WalletController(&engine);
     engine.rootContext()->setContextProperty("Wallet", wallet);//new WalletController());//qmlRegisterUncreatableType<WalletProxy>("neroshop.Wallet", 1, 0, "Wallet", "Wallet cannot be instantiated directly.");//qmlRegisterType<WalletProxy>("neroshop.Wallet", 1, 0, "Wallet"); // Usage: import neroshop.Wallet  ...  Wallet { id: wallet }

src/gui/proxy_manager.cpp

@@ -1,6 +1,7 @@
 #include "proxy_manager.hpp"
 
 #include <QFile>
+#include <QNetworkDiskCache>
 #include <QNetworkProxy>
 #include <QNetworkProxyFactory>
 #include <QNetworkProxyQuery>
@@ -37,6 +38,24 @@ neroshop::ProxyManager::ProxyManager(QObject* parent) : QObject(parent), m_torEn
     
 neroshop::ProxyManager::~ProxyManager() {}
 
+QNetworkAccessManager * neroshop::ProxyManager::create(QObject *parent) {
+    QNetworkAccessManager *networkAccessManager = new QNetworkAccessManager(parent);
+    QNetworkDiskCache *diskCache = new QNetworkDiskCache(parent);
+    diskCache->setCacheDirectory("requestCache");
+    networkAccessManager->setCache(diskCache);
+    
+    if(hasTor() || isTorRunning()) {
+        QNetworkProxy torProxy;
+        torProxy.setType(QNetworkProxy::Socks5Proxy);
+        torProxy.setHostName("127.0.0.1");
+        torProxy.setPort(9050);
+        networkAccessManager->setProxy(torProxy);
+        // Standard QML components like Image or XmlHttpRequest can now make network requests over Tor
+    }
+    
+    return networkAccessManager;
+}
+
 void neroshop::ProxyManager::useDefaultProxy() {
     QNetworkProxy::setApplicationProxy(QNetworkProxy());
     
@@ -330,6 +349,8 @@ void neroshop::ProxyManager::onReplyFinished(QNetworkReply * reply) {
         // Reply received successfully
         QByteArray data = reply->readAll();
         ////qDebug() << "Data received:" << data;
+        QVariant fromCache = reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute);
+        qDebug() << "page from cache?" << fromCache.toBool();
     } else {
         // Error occurred
         qDebug() << "Network error: " << reply->errorString();

src/gui/proxy_manager.hpp

@@ -5,12 +5,13 @@
 
 #include <QObject>
 #include <QNetworkAccessManager>
+#include <QQmlNetworkAccessManagerFactory>
 #include <QNetworkReply>
 #include <QProcess>
 
 namespace neroshop {
     
-class ProxyManager : public QObject {
+class ProxyManager : public QObject, public QQmlNetworkAccessManagerFactory {
     Q_OBJECT
     Q_PROPERTY(bool torEnabled READ isTorEnabled NOTIFY networkProxyChanged)
     Q_PROPERTY(QString torOutput READ getTorOutput NOTIFY torOutputChanged)
@@ -18,6 +19,8 @@ public:
     ProxyManager(QObject *parent = nullptr);
     ~ProxyManager();
     
+    QNetworkAccessManager * create(QObject *parent) override;
+    
     Q_INVOKABLE void useDefaultProxy();
     Q_INVOKABLE void useTorProxy();
     Q_INVOKABLE void useI2PProxy();