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-rw-r--r--feed/v3impact.go42
1 files changed, 42 insertions, 0 deletions
diff --git a/feed/v3impact.go b/feed/v3impact.go
new file mode 100644
index 0000000..d6c450e
--- /dev/null
+++ b/feed/v3impact.go
@@ -0,0 +1,42 @@
+package feed
+
+//go:generate stringer -linecomment -type=V3Impact
+
+import (
+ "encoding/json"
+ "fmt"
+)
+
+// CVSS v3 impact level.
+type V3Impact byte
+
+const (
+ V3ImpactNone V3Impact = iota // NONE
+ V3ImpactLow // LOW
+ V3ImpactHigh // HIGH
+)
+
+// Unmarshal CVSS v3 impact level from JSON.
+func (me *V3Impact) UnmarshalJSON(b []byte) error {
+ // decode string, check for error
+ var s string
+ if err := json.Unmarshal(b, &s); err != nil {
+ return err
+ }
+
+ // check value
+ switch s {
+ case "NONE":
+ *me = V3ImpactNone
+ case "LOW":
+ *me = V3ImpactLow
+ case "HIGH":
+ *me = V3ImpactHigh
+ default:
+ // return error
+ return fmt.Errorf("unknown CVSS v3 impact: %s", s)
+ }
+
+ // return success
+ return nil
+}