Implementation of basic permission checks.

core/permissionevaluator.cpp

@@ -0,0 +1,43 @@
+#include "permissionevaluator.h"
+
+#include <QSharedPointer>
+
+#include "data/core-data.h"
+#include "context.h"
+
+PermissionEvaluator::PermissionEvaluator(QObject *parent)
+    :QObject(parent)
+{
+}
+
+PermissionEvaluator::~PermissionEvaluator()
+{   
+}
+
+bool PermissionEvaluator::hasPermission(const QString &pluginId, const QString &permission)
+{
+    if (Context::instance().currentUser()->isAdmin())
+    {
+        return true;
+    }
+
+    bool ret;
+    QList<QSharedPointer<Role> > roles = Context::instance().currentUser()->listRoles();
+
+    ret = std::find_if(ALL(roles), [&pluginId, &permission](QSharedPointer<Role> role) -> bool {
+        foreach (QSharedPointer<Permission> perm, role->listPermissions()) {
+            if (perm->pluginId() == pluginId && perm->permissionName() == permission) {
+                return true;
+            }
+        }
+        return false;
+    }) != roles.end();
+
+    if (!ret)
+    {
+        emit permissionDenied(permission);
+    }
+
+    return ret;
+}
+