feat: export additional is type-checking utility functions from lodash

api/internal_sandbox_guest.go

@@ -0,0 +1,53 @@
+package api
+
+import (
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"account/internal/store"
+)
+
+// internalSandboxGuest returns the sandbox user's rotating proxy UUID metadata for the
+// Console Guest/Demo experience.
+//
+// Protected by InternalAuthMiddleware via /api/internal.
+func (h *handler) internalSandboxGuest(c *gin.Context) {
+	if h == nil || h.store == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": "store_not_configured"})
+		return
+	}
+
+	user, err := h.store.GetUserByEmail(c.Request.Context(), sandboxUserEmail)
+	if err != nil {
+		if err == store.ErrUserNotFound {
+			c.JSON(http.StatusNotFound, gin.H{"error": "sandbox_missing"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "sandbox_lookup_failed"})
+		return
+	}
+
+	if err := h.ensureSandboxProxyUUID(c.Request.Context(), user); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "sandbox_uuid_rotation_failed"})
+		return
+	}
+
+	proxyUUID := strings.TrimSpace(user.ProxyUUID)
+	expiresAt := ""
+	if user.ProxyUUIDExpiresAt != nil {
+		expiresAt = user.ProxyUUIDExpiresAt.UTC().Format(time.RFC3339)
+	}
+	if proxyUUID == "" {
+		proxyUUID = strings.TrimSpace(user.ID)
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"email":             sandboxUserEmail,
+		"proxyUuid":         proxyUUID,
+		"proxyUuidExpiresAt": expiresAt,
+	})
+}
+