From a9b77c01caef9ae7a2c84e2333d28ceb028cf4d3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:43:29 +0200
Subject: Adding upstream version 1.3.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ProvidedHook/Monitoring/EventdbActionHook.php  | 182 +++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 library/Eventdb/ProvidedHook/Monitoring/EventdbActionHook.php

(limited to 'library/Eventdb/ProvidedHook/Monitoring/EventdbActionHook.php')

diff --git a/library/Eventdb/ProvidedHook/Monitoring/EventdbActionHook.php b/library/Eventdb/ProvidedHook/Monitoring/EventdbActionHook.php
new file mode 100644
index 0000000..1eb968d
--- /dev/null
+++ b/library/Eventdb/ProvidedHook/Monitoring/EventdbActionHook.php
@@ -0,0 +1,182 @@
+<?php
+/* Icinga Web 2 - EventDB | (c) 2017 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Eventdb\ProvidedHook\Monitoring;
+
+use Icinga\Application\Config;
+use Icinga\Application\Logger;
+use Icinga\Authentication\Auth;
+use Icinga\Data\Filter\Filter;
+use Icinga\Data\Filter\FilterParseException;
+use Icinga\Exception\InvalidPropertyException;
+use Icinga\Module\Eventdb\Data\LegacyFilterParser;
+use Icinga\Module\Monitoring\Object\Host;
+use Icinga\Module\Monitoring\Object\MonitoredObject;
+use Icinga\Module\Monitoring\Object\Service;
+use Icinga\Web\Navigation\Navigation;
+use Icinga\Web\Url;
+use Icinga\Web\UrlParams;
+
+class EventdbActionHook
+{
+    protected static $wantCache = true;
+
+    protected static $cachedNav = array();
+
+    protected static $customFilters = array();
+
+    public static function wantCache($bool=true)
+    {
+        static::$wantCache = $bool;
+    }
+
+    /**
+     * @param MonitoredObject $object
+     * @param bool            $no_cache
+     *
+     * @return null|Filter
+     */
+    public static function getCustomFilter(MonitoredObject $object)
+    {
+        if (! Auth::getInstance()->hasPermission('eventdb/events')) {
+            return null;
+        }
+
+        $objectKey = static::getObjectKey($object);
+
+        // check cache if the filter already have been rendered
+        if (static::$wantCache && array_key_exists($objectKey, self::$customFilters)) {
+            return self::$customFilters[$objectKey];
+        }
+
+        $config = static::config();
+        $custom_var = $config->get('custom_var', null);
+
+        $service = null;
+        $edb_filter = null;
+        if ($custom_var !== null && $object instanceof Service) {
+            $edb_filter = $object->{'_service_' . $custom_var . '_filter'};
+            $service = $object->service_description;
+        } elseif ($custom_var !== null && $object instanceof Host) {
+            $edb_filter = $object->{'_host_' . $custom_var . '_filter'};
+        }
+
+        $customFilter = null;
+        if ($edb_filter !== null) {
+            if (LegacyFilterParser::isJsonFilter($edb_filter)) {
+                try {
+                    $customFilter = LegacyFilterParser::parse(
+                        $edb_filter,
+                        $object->host_name,
+                        $service
+                    );
+                } catch (InvalidPropertyException $e) {
+                    Logger::warning($e->getMessage());
+                }
+            } else {
+                try {
+                    $customFilter = Filter::fromQueryString($edb_filter);
+
+                    if (! in_array('host_name', $customFilter->listFilteredColumns())) {
+                        $customFilter = $customFilter->andFilter(Filter::expression('host_name', '=', $object->host_name));
+                    }
+                } catch (FilterParseException $e) {
+                    Logger::warning('Could not parse custom EventDB filter: %s (%s)', $edb_filter, $e->getMessage());
+                }
+            }
+        }
+
+        return self::$customFilters[$objectKey] = $customFilter;
+    }
+
+    /**
+     * @param MonitoredObject $object    Host or Service to render for
+     * @param bool            $no_cache  Only for testing - to avoid caching
+     *
+     * @return array|Navigation
+     */
+    public static function getActions(MonitoredObject $object)
+    {
+        if (! Auth::getInstance()->hasPermission('eventdb/events')) {
+            return array();
+        }
+
+        $objectKey = static::getObjectKey($object);
+
+        // check cache if the buttons already have been rendered
+        if (static::$wantCache && array_key_exists($objectKey, self::$cachedNav)) {
+            return self::$cachedNav[$objectKey];
+        }
+
+        $nav = new Navigation();
+
+        $config = static::config();
+
+        $custom_var = $config->get('custom_var', null);
+
+        $edb_cv = null;
+        $always_on = null;
+
+        if ($custom_var !== null && $object instanceof Service) {
+            $edb_cv = $object->{'_service_' . $custom_var};
+            $always_on = $config->get('always_on_service', 0);
+        } elseif ($custom_var !== null && $object instanceof Host) {
+            $edb_cv = $object->{'_host_' . $custom_var};
+            $always_on = $config->get('always_on_host', 0);
+        }
+
+        $customFilter = static::getCustomFilter($object);
+        if ($customFilter !== null) {
+            $params = UrlParams::fromQueryString($customFilter->toQueryString());
+            $nav->addItem(
+                'events_filtered',
+                array(
+                    'label'    => mt('eventdb', 'Filtered events'),
+                    'url'      => Url::fromPath('eventdb/events')->setParams($params),
+                    'icon'     => 'tasks',
+                    'class'    => 'action-link',
+                    'priority' => 1
+                )
+            );
+        }
+
+        // show access to all events, if (or)
+        // - custom_var is not configured
+        // - always_on is configured
+        // - custom_var is configured and set on object (to any value)
+        if ($custom_var === null || ! empty($edb_cv) || ! empty($always_on)) {
+            $nav->addItem(
+                'events',
+                array(
+                    'label'    => mt('eventdb', 'All events for host'),
+                    'url'      => Url::fromPath(
+                        'eventdb/events',
+                        array(
+                            'host_name' => $object->host_name,
+                        )
+                    ),
+                    'icon'     => 'tasks',
+                    'class'    => 'action-link',
+                    'priority' => 99
+                )
+            );
+        }
+
+        return self::$cachedNav[$objectKey] = $nav;
+    }
+
+    protected static function getObjectKey(MonitoredObject $object)
+    {
+        $type = $object->getType();
+        $objectKey = sprintf('%!%', $type, $object->host_name);
+        if ($type === 'service') {
+            $objectKey .= '!' . $object->service_description;
+        }
+        return $objectKey;
+    }
+
+    protected static function config()
+    {
+        return Config::module('eventdb')->getSection('monitoring');
+    }
+}
-- 
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