1 files changed, 103 insertions, 0 deletions
diff --git a/ui/app/controllers/CControllerDashboardConfigHash.php b/ui/app/controllers/CControllerDashboardConfigHash.php
new file mode 100644
index 00000000000..d56b08c3eaf
--- /dev/null
+++ b/ui/app/controllers/CControllerDashboardConfigHash.php
@@ -0,0 +1,103 @@
+<?php declare(strict_types = 0);
+/*
+** Zabbix
+** Copyright (C) 2001-2022 Zabbix SIA
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**/
+
+
+class CControllerDashboardConfigHash extends CController {
+
+	protected function init(): void {
+		$this->setPostContentType(self::POST_CONTENT_TYPE_JSON);
+	}
+
+	/**
+	 * @throws JsonException
+	 */
+	protected function checkInput(): bool {
+		$fields = [
+			'dashboardid' =>	'required|db dashboard.dashboardid|not_empty',
+			'templateid' =>		'db dashboard.dashboardid|not_empty'
+		];
+
+		$ret = $this->validateInput($fields);
+
+		if (!$ret) {
+			$this->setResponse(
+				new CControllerResponseData(['main_block' => json_encode([
+					'error' => [
+						'messages' => array_column(get_and_clear_messages(), 'message')
+					]
+				], JSON_THROW_ON_ERROR)])
+			);
+		}
+
+		return $ret;
+	}
+
+	protected function checkPermissions(): bool {
+		/*
+		 * Permission check errors (e.g. expired sessions) must be ignored by the frontend and must not cause dashboard
+		 * reload.
+		 */
+		return true;
+	}
+
+	/**
+	 * @throws APIException|JsonException
+	 */
+	protected function doAction(): void {
+		$configuration_hash = null;
+
+		if (($this->hasInput('templateid') && $this->checkAccess(CRoleHelper::UI_MONITORING_HOSTS))
+				|| (!$this->hasInput('templateid') && $this->checkAccess(CRoleHelper::UI_MONITORING_DASHBOARD))) {
+			if ($this->hasInput('templateid')) {
+				$db_dashboards = API::TemplateDashboard()->get([
+					'output' => ['name', 'display_period', 'auto_start'],
+					'selectPages' => ['dashboard_pageid', 'name', 'display_period', 'widgets'],
+					'dashboardids' => $this->getInput('dashboardid')
+				]);
+			}
+			else {
+				$db_dashboards = API::Dashboard()->get([
+					'output' => ['name', 'display_period', 'auto_start'],
+					'selectPages' => ['dashboard_pageid', 'name', 'display_period', 'widgets'],
+					'dashboardids' => $this->getInput('dashboardid')
+				]);
+			}
+
+			if ($db_dashboards) {
+				$db_dashboard = $db_dashboards[0];
+
+				$db_dashboard['pages'] = CDashboardHelper::preparePagesForGrid($db_dashboard['pages'],
+					$this->hasInput('templateid') ? $this->getInput('templateid') : null,
+					true
+				);
+
+				$widget_defaults = APP::ModuleManager()->getWidgetsDefaults($this->hasInput('templateid'));
+
+				$configuration_hash = CDashboardHelper::getConfigurationHash($db_dashboard, $widget_defaults);
+			}
+		}
+
+		$output = [
+			'configuration_hash' => $configuration_hash
+		];
+
+		$this->setResponse(new CControllerResponseData(['main_block' => json_encode($output, JSON_THROW_ON_ERROR)]));
+	}
+}