add users

backend/internal/auth/ctx.go

@@ -0,0 +1,22 @@
+package auth
+
+import (
+	"context"
+	"net/http"
+)
+
+type authkey int
+
+const keyClaims = iota
+
+func writeToContext(r *http.Request, claims *Claims) *http.Request {
+	ctx := context.WithValue(r.Context(), claims, claims)
+	return r.WithContext(ctx)
+}
+
+// ExtractClaims extracts user claims from given context. If no claims in context ok = false.
+func ExtractClaims(ctx context.Context) (claims *Claims, ok bool) {
+	val := ctx.Value(keyClaims)
+	claims, ok = val.(*Claims)
+	return
+}