feat(client): improve SDK packaging and registry config

Common/PolicyHelper.cpp

@@ -1,11 +1,11 @@
-#include "PolicyHelper.h"
-#include <QApplication>
-#include <QDateTime>
-#include <QFile>
-#include <QJsonArray>
-#include <QJsonDocument>
-#include <QSaveFile>
-#include <algorithm>
+#include "PolicyHelper.h"
+#include "ConfigHelper.h"
+#include <QApplication>
+#include <QDateTime>
+#include <QFile>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <algorithm>
 #ifdef HAVE_OPENSSL
 #include <openssl/evp.h>
 #include <openssl/pem.h>
@@ -31,13 +31,17 @@ bool PolicyHelper::loadPolicyObject(const QJsonObject& policy, const QString& si
     return isValid();
 }
 
-bool PolicyHelper::savePolicy(const QString& relativePath) const
-{
-    QSaveFile file(m_baseDir + "/" + relativePath);
-    if (!file.open(QIODevice::WriteOnly)) return false;
-    const QByteArray bytes = QJsonDocument(m_policy).toJson(QJsonDocument::Indented);
-    return file.write(bytes) == bytes.size() && file.commit();
-}
+bool PolicyHelper::savePolicy(const QString& relativePath) const
+{
+    const QByteArray bytes = QJsonDocument(m_policy).toJson(QJsonDocument::Indented);
+    QString writeError;
+    if (!ConfigHelper::writeFileWithElevationIfNeeded(m_baseDir + "/" + relativePath, bytes, &writeError)) {
+        m_error = "Cannot save policy file: " + writeError;
+        return false;
+    }
+    m_error.clear();
+    return true;
+}
 
 QByteArray PolicyHelper::canonicalPolicyBytes(const QJsonObject& policy) const
 {