WSJT-X/NetworkAccessManager.hpp

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#ifndef NETWORK_ACCESS_MANAGER_HPP__
#define NETWORK_ACCESS_MANAGER_HPP__
#include <QNetworkAccessManager>
#include <QList>
#include <QSslError>
#include <QNetworkReply>
#include <QString>
#include "MessageBox.hpp"
class QNetworkRequest;
class QIODevice;
class QWidget;
// sub-class QNAM to keep a list of accepted SSL errors and allow
// them in future replies
class NetworkAccessManager
: public QNetworkAccessManager
{
public:
NetworkAccessManager (QWidget * parent = nullptr)
: QNetworkAccessManager (parent)
{
// handle SSL errors that have not been cached as allowed
// exceptions and offer them to the user to add to the ignored
// exception cache
connect (this, &QNetworkAccessManager::sslErrors, [this, &parent] (QNetworkReply * reply, QList<QSslError> const& errors) {
QString message;
for (auto const& error: errors)
{
message += '\n' + reply->request ().url ().toDisplayString () + ": "
+ error.errorString ();
}
QString certs;
for (auto const& cert : reply->sslConfiguration ().peerCertificateChain ())
{
certs += cert.toText () + '\n';
}
if (MessageBox::Ignore == MessageBox::query_message (parent, tr ("Network SSL Errors"), message, certs, MessageBox::Abort | MessageBox::Ignore))
{
// accumulate SSL error exceptions that have been allowed
allowed_ssl_errors_.append (errors);
reply->ignoreSslErrors (errors);
}
});
}
protected:
QNetworkReply * createRequest (Operation operation, QNetworkRequest const& request, QIODevice * outgoing_data = nullptr) override
{
auto reply = QNetworkAccessManager::createRequest (operation, request, outgoing_data);
// errors are usually certificate specific so passing all cached
// exceptions here is ok
reply->ignoreSslErrors (allowed_ssl_errors_);
return reply;
}
private:
QList<QSslError> allowed_ssl_errors_;
};
#endif