func MiddlewareValidateStatic()

in frontend/pkg/frontend/middleware_validatestatic.go [35:82]
39 lines of code
9 McCabe index (conditional complexity)

func MiddlewareValidateStatic(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
	// To conform with "OAPI012: Resource IDs must not be case sensitive"
	// we need to use the original, non-lowercased resource ID components
	// in response messages.
	//TODO: Inspect the error instead of ignoring it
	originalPath, _ := OriginalPathFromContext(r.Context())
	resource, _ := azcorearm.ParseResourceID(originalPath)

	if resource != nil {
		if resource.SubscriptionID != "" {
			if uuid.Validate(resource.SubscriptionID) != nil {
				arm.WriteError(w, http.StatusBadRequest,
					arm.CloudErrorCodeInvalidSubscriptionID,
					resource.String(),
					"The provided subscription identifier '%s' is malformed or invalid.",
					resource.SubscriptionID)
				return
			}
		}

		switch strings.ToLower(resource.ResourceType.Type) {
		case strings.ToLower(api.ClusterResourceType.Type):
			if !rxHCPOpenShiftClusterResourceName.MatchString(resource.Name) {
				arm.WriteError(w, http.StatusBadRequest,
					arm.CloudErrorCodeInvalidResourceName,
					resource.String(),
					"The Resource '%s/%s' under resource group '%s' does not conform to the naming restriction.",
					resource.ResourceType, resource.Name,
					resource.ResourceGroupName)
				return
			}
		case strings.ToLower(api.NodePoolResourceType.Type):
			// The collection GET endpoint for nested resources
			// parses into a ResourceID with an empty Name field.
			if resource.Name != "" && !rxNodePoolResourceName.MatchString(resource.Name) {
				arm.WriteError(w, http.StatusBadRequest,
					arm.CloudErrorCodeInvalidResourceName,
					resource.String(),
					"The Resource '%s/%s' under resource group '%s' does not conform to the naming restriction.",
					resource.ResourceType, resource.Name,
					resource.ResourceGroupName)
				return
			}
		}
	}

	next(w, r)
}