feat(oidc claims): extend Claims struct with additional fields for user attributes

internal/http/handlers.go

@@ -95,6 +95,20 @@ func Register(
 				attrs[samlAttr] = []string{claims.Email}
 			case "name":
 				attrs[samlAttr] = []string{claims.Name}
+			case "display_name":
+				attrs[samlAttr] = []string{claims.DisplayName}
+			case "email_verified":
+				if claims.EmailVerified {
+					attrs[samlAttr] = []string{"true"}
+				} else {
+					attrs[samlAttr] = []string{"false"}
+				}
+			case "given_name":
+				attrs[samlAttr] = []string{claims.GivenName}
+			case "family_name":
+				attrs[samlAttr] = []string{claims.FamilyName}
+			case "preferred_username":
+				attrs[samlAttr] = []string{claims.PreferredUsername}
 			case "role":
 				attrs[samlAttr] = []string{mapRole(claims.Groups, sp)}
 			}