WorkflowEntity::checkHasAccess

private function checkHasAccess($userId)
{
	global $USER;

	if($this->hasAccess === null)
	{
		if (Loader::includeModule("bizproc"))
		{
			if(
				$USER->isAdmin()
				|| $USER->canDoOperation('bitrix24_config')
			)
			{
				$this->hasAccess = true;
			}
			else
			{
				$workflowId = false;
				$workflowIntegerId = intval($this->getId());
				if ($workflowIntegerId > 0)
				{
					$workflowId = CBPStateService::getWorkflowByIntegerId($workflowIntegerId);
				}

				if ($workflowId)
				{
					$currentUserId = (int) $USER->getId();
					$participants = CBPTaskService::getWorkflowParticipants($workflowId);
					if (in_array($currentUserId, $participants))
					{
						$this->hasAccess = true;
					}
					else
					{
						$state = CBPStateService::getWorkflowStateInfo($workflowId);
						$this->hasAccess = (
							$state
							&& $currentUserId === (int) $state['STARTED_BY']
						);
					}
				}
				else
				{
					$this->hasAccess = false;
				}

				if (!$this->hasAccess && Loader::includeModule("iblock"))
				{
					$documentId = CBPStateService::GetStateDocumentId($workflowId);
					$elementQuery = CIBlockElement::getList(
						array(), array("ID" => $documentId[2]), false, false, array("IBLOCK_ID"));
					$element = $elementQuery->fetch();
					if ($element['IBLOCK_ID'])
					{
						$this->hasAccess = CIBlockElementRights::userHasRightTo(
							$element["IBLOCK_ID"], $documentId[2], "element_read");
					}
				}
			}
		}
		else
		{
			$this->hasAccess = false;
		}
	}

	return $this->hasAccess;
}