fix(network): use explicit UTF-8 user agent conversion

- replace the undefined UDUP conversion in key server requests
- construct user agent strings with QString::fromUtf8
- keep probe and VKS request headers consistent

2 files changed, 2 insertions, 2 deletions

diff --git a/src/m_key_server_sync/KeyServerProbe.cpp b/src/m_key_server_sync/KeyServerProbe.cpp
index 42dc074..d84841f 100644
--- a/src/m_key_server_sync/KeyServerProbe.cpp
+++ b/src/m_key_server_sync/KeyServerProbe.cpp
@@ -201,7 +201,7 @@ void KeyServerProber::send(const QString& url, bool is_hkp) {
 
   QNetworkRequest request{QUrl(target)};
   request.setHeader(QNetworkRequest::UserAgentHeader,
-                    UDUP(GFHttpRequestUserAgent()));
+                    QString::fromUtf8(GFHttpRequestUserAgent()));
   request.setTransferTimeout(kProbeTimeoutMs);
   request.setAttribute(QNetworkRequest::RedirectPolicyAttribute,
                        QNetworkRequest::NoLessSafeRedirectPolicy);
diff --git a/src/m_key_server_sync/VKSInterface.cpp b/src/m_key_server_sync/VKSInterface.cpp
index 4d7936a..090bbb8 100644
--- a/src/m_key_server_sync/VKSInterface.cpp
+++ b/src/m_key_server_sync/VKSInterface.cpp
@@ -52,7 +52,7 @@ constexpr int kTransferTimeoutMs = 15000;
 auto VKSInterface::make_request(const QUrl& url) -> QNetworkRequest {
   QNetworkRequest request(url);
   request.setHeader(QNetworkRequest::UserAgentHeader,
-                    UDUP(GFHttpRequestUserAgent()));
+                    QString::fromUtf8(GFHttpRequestUserAgent()));
   request.setTransferTimeout(kTransferTimeoutMs);
   return request;
 }