Plugins: Add module hash field to plugin model (#116119)

* add module hash field to plugin model

* fix tests

* fix lint issues

pkg/plugins/plugins.go

@@ -40,6 +40,7 @@ type Plugin struct {
 	Pinned          bool
 
 	// Signature fields
+	Manifest      *PluginManifest
 	Signature     SignatureStatus
 	SignatureType SignatureType
 	SignatureOrg  string
@@ -48,8 +49,9 @@ type Plugin struct {
 	Error         *Error
 
 	// SystemJS fields
-	Module  string
-	BaseURL string
+	Module     string
+	ModuleHash string
+	BaseURL    string
 
 	Angular AngularMeta
 
@@ -532,3 +534,24 @@ func (pt Type) IsValid() bool {
 	}
 	return false
 }
+
+// PluginManifest holds details for the file manifest
+type PluginManifest struct {
+	Plugin  string            `json:"plugin"`
+	Version string            `json:"version"`
+	KeyID   string            `json:"keyId"`
+	Time    int64             `json:"time"`
+	Files   map[string]string `json:"files"`
+
+	// V2 supported fields
+	ManifestVersion string        `json:"manifestVersion"`
+	SignatureType   SignatureType `json:"signatureType"`
+	SignedByOrg     string        `json:"signedByOrg"`
+	SignedByOrgName string        `json:"signedByOrgName"`
+	RootURLs        []string      `json:"rootUrls"`
+}
+
+// IsV2 returns true if the manifest is version 2.x
+func (m *PluginManifest) IsV2() bool {
+	return strings.HasPrefix(m.ManifestVersion, "2.")
+}