1 files changed, 59 insertions, 0 deletions
diff --git a/shared/privilege.h b/shared/privilege.h
new file mode 100644
index 00000000..c5ec99c7
--- /dev/null
+++ b/shared/privilege.h
@@ -0,0 +1,59 @@
+#ifndef PRIVILEGE_H_INCLUDED
+#define PRIVILEGE_H_INCLUDED
+
+#include <map>
+#include "zstring.h"
+#include "file_error.h"
+#include <wx/msw/wrapwin.h> //includes "windows.h"
+
+
+namespace ffs3
+{
+#ifdef FFS_WIN
+class Privileges
+{
+public:
+    static Privileges& getInstance();
+
+    void ensureActive(LPCTSTR privilege) //throw FileError()
+    {
+        if (activePrivileges.find(privilege) != activePrivileges.end())
+            return; //privilege already active
+
+        if (privilegeIsActive(privilege)) //privilege was already active before starting this tool
+            activePrivileges.insert(std::make_pair(privilege, false));
+        else
+        {
+            setPrivilege(privilege, true);
+            activePrivileges.insert(std::make_pair(privilege, true));
+        }
+    }
+
+private:
+    Privileges() {}
+    Privileges(Privileges&);
+    void operator=(Privileges&);
+
+    ~Privileges() //clean up: deactivate all privileges that have been activated by this application
+    {
+        for (PrivBuffType::const_iterator i = activePrivileges.begin(); i != activePrivileges.end(); ++i)
+            try
+            {
+                if (i->second)
+                    Privileges::setPrivilege(i->first, false);
+            }
+            catch(...) {}
+    }
+
+    static bool privilegeIsActive(LPCTSTR privilege); //throw FileError()
+    static void setPrivilege(LPCTSTR privilege, bool enable); //throw FileError()
+
+    typedef std::map<Zstring, bool> PrivBuffType; //bool: enabled by this application
+
+    PrivBuffType activePrivileges;
+};
+#endif
+}
+
+
+#endif // PRIVILEGE_H_INCLUDED