1 files changed, 36 insertions, 0 deletions
diff --git a/app/middleware/user_parser.go b/app/middleware/user_parser.go
new file mode 100644
index 0000000..cd6f36f
--- /dev/null
+++ b/app/middleware/user_parser.go
@@ -0,0 +1,36 @@
+package middleware
+
+import (
+	"net/http"
+
+	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/xlgmokha/x/pkg/mapper"
+	"github.com/xlgmokha/x/pkg/x"
+	"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/app/cfg"
+	"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/app/domain"
+	"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/pkg/pls"
+)
+
+func UserParser(db domain.Repository[*domain.User]) RequestParser[*domain.User] {
+	return func(r *http.Request) *domain.User {
+		subject := r.Header.Get("x-jwt-claim-sub")
+		user := db.Find(r.Context(), domain.ID(subject))
+
+		if !x.IsPresent(user) {
+			idToken := cfg.IDToken.From(r.Context())
+
+			if x.IsZero(idToken) {
+				return nil
+			}
+
+			user = db.Find(r.Context(), domain.ID(idToken.Subject))
+			if !x.IsPresent(user) {
+				user = mapper.MapFrom[*oidc.IDToken, *domain.User](idToken)
+				if err := db.Save(r.Context(), user); err != nil {
+					pls.LogError(r.Context(), err)
+				}
+			}
+		}
+		return user
+	}
+}