1 files changed, 27 insertions, 0 deletions
diff --git a/dbstore/util.go b/dbstore/util.go
new file mode 100644
index 0000000..2b8d444
--- /dev/null
+++ b/dbstore/util.go
@@ -0,0 +1,27 @@
+package dbstore
+
+import (
+  "fmt"
+  "github.com/pablotron/cvez/feed"
+)
+
+// Check data type, data format, and data version in NVD feed entry.
+func checkNvdData(dt feed.DataType, df feed.DataFormat, dv feed.DataVersion) error {
+  // check data type
+  if dt != feed.CveType {
+    return fmt.Errorf("unknown data type: %s", dt)
+  }
+
+  // check data format
+  if df != feed.MitreFormat {
+    return fmt.Errorf("unknown data format: %s", df)
+  }
+
+  // check data version
+  if dv != feed.V40 {
+    return fmt.Errorf("unknown data version: %s", dv)
+  }
+
+  // return success
+  return nil
+}