adds the antivirus scan for data

* comments
* pingbacks & trackbacks
* posts

PluginPage/FullScan/FullScanMenuPage.php

@@ -339,7 +339,7 @@ public function FullScanMenu(): void
             settings_errors('wordpress_gdata_antivirus_options_full_scan_schedule_start');
             settings_errors('wordpress_gdata_antivirus_options_full_scan_batch_size');
 ?>
-            <h2>VaaS Settings</h2>
+            <h2>Full Scan Settings</h2>
             <form action="options.php" method="post">
                 <?php
                 \settings_fields('wordpress_gdata_antivirus_options_full_scan_run');

PluginPage/OnDemandScan/OnDemandScan.php

@@ -0,0 +1,175 @@
+<?php
+
+namespace Gdatacyberdefenseag\WordpressGdataAntivirus\PluginPage\OnDemandScan;
+
+define('WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG', WORDPRESS_GDATA_ANTIVIRUS_MENU_SLUG . '-on-demand-scan');
+
+if (!class_exists('OnDemandScan')) {
+    class OnDemandScan
+    {
+        public function __construct()
+        {
+            $options = \get_option('wordpress_gdata_antivirus_options_credentials', [
+                'client_id'     => '',
+                'client_secret' => '',
+            ]);
+            if (empty($options['client_id']) || empty($options['client_secret'])) {
+                return;
+            }
+            \add_action('init', [$this, 'SetupFields']);
+            \add_action('admin_menu', [$this, 'SetupMenu']);
+        }
+
+        public function SetupFields(): void
+        {
+            \register_setting(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                'wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled',
+                [
+                    'type'              => 'boolean',
+                    'default'           => false
+                ]
+            );
+            \register_setting(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                'wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled',
+                [
+                    'type'              => 'boolean',
+                    'default'           => false
+                ]
+            );
+            \register_setting(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                'wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled',
+                [
+                    'type'              => 'boolean',
+                    'default'           => false
+                ]
+            );
+            \register_setting(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                'wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled',
+                [
+                    'type'              => 'boolean',
+                    'default'           => false
+                ]
+            );
+            \register_setting(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                'wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled',
+                [
+                    'type'              => 'boolean',
+                    'default'           => false
+                ]
+            );
+        }
+
+        public function SetupMenu(): void
+        {
+            \add_settings_section(
+                'wordpress_gdata_antivirus_options_on_demand_scan',
+                esc_html__('OnDemand scans', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_on_demand_scans_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG
+            );
+
+            \add_settings_field(
+                'wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled',
+                esc_html__('Media upload scan enabled', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_media_upload_scan_enabled_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                'wordpress_gdata_antivirus_options_on_demand_scan'
+            );
+
+            \add_settings_field(
+                'wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled',
+                esc_html__('Plugin upload scan enabled', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_plugin_upload_scan_enabled_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                'wordpress_gdata_antivirus_options_on_demand_scan'
+            );
+
+            \add_settings_field(
+                'wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled',
+                esc_html__('Comment scan enabled', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_comment_scan_enabled_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                'wordpress_gdata_antivirus_options_on_demand_scan'
+            );
+
+            \add_settings_field(
+                'wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled',
+                esc_html__('Pingback scan enabled', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_pingback_scan_enabled_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                'wordpress_gdata_antivirus_options_on_demand_scan'
+            );
+
+            \add_settings_field(
+                'wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled',
+                esc_html__('Post scan enabled', 'wordpress-gdata-antivirus'),
+                [$this, 'wordpress_gdata_antivirus_options_post_scan_enabled_text'],
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                'wordpress_gdata_antivirus_options_on_demand_scan'
+            );
+
+            \add_submenu_page(
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_SLUG,
+                'OnDemandScan',
+                'OnDemandScan',
+                'manage_options',
+                WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG,
+                [$this, 'OnDemandScanMenu']
+            );
+        }
+
+        public function wordpress_gdata_antivirus_options_on_demand_scans_text()
+        {
+            echo '<p>' . esc_html__('Here you can set options for the on demand scans', 'wordpress-gdata-antivirus') . '</p>';
+        }
+
+        public function wordpress_gdata_antivirus_options_media_upload_scan_enabled_text()
+        {
+            $mediaUploadScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled', false);
+            echo '<input type="checkbox" id="wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled" name="wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled" ' . \checked(true, $mediaUploadScanEnabled, false) . '>';
+        }
+
+        public function wordpress_gdata_antivirus_options_plugin_upload_scan_enabled_text()
+        {
+            $pluginUploadScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled', false);
+            echo '<input type="checkbox" id="wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled" name="wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled" ' . \checked(true, $pluginUploadScanEnabled, false) . '>';
+        }
+
+        public function wordpress_gdata_antivirus_options_comment_scan_enabled_text()
+        {
+            $commentScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled', false);
+            echo '<input type="checkbox" id="wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled" name="wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled" ' . \checked(true, $commentScanEnabled, false) . '>';
+        }
+
+        public function wordpress_gdata_antivirus_options_pingback_scan_enabled_text()
+        {
+            $pingbackScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled', false);
+            echo '<input type="checkbox" id="wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled" name="wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled" ' . \checked(true, $pingbackScanEnabled, false) . '>';
+        }
+
+        public function wordpress_gdata_antivirus_options_post_scan_enabled_text()
+        {
+            $postScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled', false);
+            echo '<input type="checkbox" id="wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled" name="wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled" ' . \checked(true, $postScanEnabled, false) . '>';
+        }
+
+        public function OnDemandScanMenu(): void
+        {
+?>
+            <h2>OnDenamns Scan Settings</h2>
+            <form action="options.php" method="post">
+                <?php
+                settings_fields('wordpress_gdata_antivirus_options_on_demand_scan');
+                do_settings_sections(WORDPRESS_GDATA_ANTIVIRUS_MENU_ON_DEMAND_SCAN_SLUG);
+                ?>
+                <input name="submit" class="button button-primary" type="submit" value="<?php \esc_attr_e('Save', 'wordpress-gdata-antivirus'); ?>" />
+            </form>
+<?php
+        }
+    }
+}

PluginPage/WordpressGdataAntivirusMenuPage.php

@@ -4,6 +4,7 @@
 
 use Gdatacyberdefenseag\WordpressGdataAntivirus\PluginPage\Findings\FindingsMenuPage;
 use Gdatacyberdefenseag\WordpressGdataAntivirus\PluginPage\FullScan\FullScanMenuPage;
+use Gdatacyberdefenseag\WordpressGdataAntivirus\PluginPage\OnDemandScan\OnDemandScan;
 
 define('WORDPRESS_GDATA_ANTIVIRUS_MENU_SLUG', 'wordpress-gdata-antivirus-menu');
 
@@ -12,6 +13,7 @@ class WordpressGdataAntivirusMenuPage
     {
         public FullScanMenuPage $FullScanMenuPage;
         public FindingsMenuPage $FindingsMenuPage;
+        public OnDemandScan $OnDemandScan;
 
         public function __construct()
         {
@@ -20,6 +22,7 @@ public function __construct()
 
             $this->FindingsMenuPage = new FindingsMenuPage();
             $this->FullScanMenuPage = new FullScanMenuPage($this->FindingsMenuPage);
+            $this->OnDemandScan = new OnDemandScan();
         }
 
         public function SetupFileds(): void

Vaas/ScanClient.php

@@ -7,6 +7,7 @@
 use VaasSdk\VaasOptions;
 use VaasSdk\Message\Verdict;
 use Gdatacyberdefenseag\WordpressGdataAntivirus\Logging\WordpressGdataAntivirusPluginDebugLogger;
+use GuzzleHttp\Psr7\Stream;
 
 if (!class_exists('ScanClient')) {
     class ScanClient
@@ -24,12 +25,117 @@ public function __construct()
             );
             $this->vaas->connect($this->clientCredentialsGrantAuthenticator->getToken());
 
-            \add_filter('wp_handle_upload_prefilter', [$this, 'scanSingleFile']);
-            \add_filter('wp_handle_sideload_prefilter', [$this, 'scanSingleFile']);
+            $pluginUploadScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled', false);
+            $mediaUploadScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled', false);
+            // we don't need to add the filters if both plugin and media upload scan are disabled
+            if ($pluginUploadScanEnabled === true || $mediaUploadScanEnabled === true) {
+                \add_filter('wp_handle_upload_prefilter', [$this, 'scanSingleUpload']);
+                \add_filter('wp_handle_sideload_prefilter', [$this, 'scanSingleUpload']);
+            }
+
+            $commentScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled', false);
+            $pingbackScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled', false);
+            // we don't need to add the filter if both comment and pingback scan are disabled
+            if ($commentScanEnabled === true || $pingbackScanEnabled === true) {
+                \add_filter('preprocess_comment', [$this, 'scanComment']);
+            }
+
+            $postScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled', false);
+            if ($postScanEnabled === true) {
+                \add_filter('wp_insert_post_data', [$this, 'scanPost']);
+            }
         }
 
-        public function scanSingleFile($file)
+        public function scanPost($data, $postarr, $unsanitized_postarr)
         {
+            $data = \wp_unslash($unsanitized_postarr);
+            if (empty($data['post_content'])) {
+                return $data;
+            }
+
+            $postScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_post_scan_enabled', false);
+            if ($postScanEnabled === false) {
+                return $data;
+            }
+
+            if (empty($postdata['post_content'])) {
+                return $data;
+            }
+
+            $postContent = \wp_unslash($postdata['post_content']);
+            $postContentFopen = fopen(sprintf('data://text/plain,%s', $postContent), 'r');
+            rewind($postContentFopen);
+            $postDataStream = new Stream($postContentFopen);
+
+            $verdict = $this->vaas->ForStream($postDataStream);
+            WordpressGdataAntivirusPluginDebugLogger::Log(var_export($verdict, true));
+            if (\VaasSdk\Message\Verdict::MALICIOUS === $verdict->Verdict) {
+                WordpressGdataAntivirusPluginDebugLogger::Log('wordpress-gdata-antivirus: virus found in post');
+                wp_die(__('virus found'));
+            }
+            return $postdata;
+        }
+
+        public function scanComment($commentdata)
+        {
+            $commentScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled', false);
+            $pingbackScanEnabled = (bool)\get_option('wordpress_gdata_antivirus_options_on_demand_scan_pingback_scan_enabled', false);
+
+            $commentScanEnabled = \get_option('wordpress_gdata_antivirus_options_on_demand_scan_comment_scan_enabled', false);
+            if ($commentScanEnabled === false) {
+                return $commentdata;
+            }
+
+            if (empty($commentdata['comment_content'])) {
+                return $commentdata;
+            }
+
+            // if this is a comment and the comment scan is disabled, we don't need to scan the comment
+            // 'comment_type' - 'pingback', 'trackback', or empty for regular comments see: https://developer.wordpress.org/reference/hooks/preprocess_comment/
+            if (empty($commentdata['comment_type']) && $commentScanEnabled === false) {
+                return $commentdata;
+                // if this is a pingback and the pingback scan is disabled, we don't need to scan the comment
+            } elseif (!empty($commentdata['comment_type']) && $pingbackScanEnabled === false) {
+                return $commentdata;
+            }
+
+            $commendContent = \wp_unslash($commentdata['comment_content']);
+            $commendContentFopen = fopen(sprintf('data://text/plain,%s', $commendContent), 'r');
+            rewind($commendContentFopen);
+            $commentDataStream = new Stream($commendContentFopen);
+
+            $verdict = $this->vaas->ForStream($commentDataStream);
+            WordpressGdataAntivirusPluginDebugLogger::Log(var_export($verdict, true));
+            if (\VaasSdk\Message\Verdict::MALICIOUS === $verdict->Verdict) {
+                WordpressGdataAntivirusPluginDebugLogger::Log('wordpress-gdata-antivirus: virus found in comment');
+                wp_die(__('virus found'));
+            }
+            return $commentdata;
+        }
+
+        public function scanSingleUpload($file)
+        {
+            $pluginUploadScanEnabled = \get_option('wordpress_gdata_antivirus_options_on_demand_scan_plugin_upload_scan_enabled', false);
+            $mediaUploadScanEnabled = \get_option('wordpress_gdata_antivirus_options_on_demand_scan_media_upload_scan_enabled', false);
+
+            // when this is a plugin uplaod but the plugin upload scan is disabled, we don't need to scan the file
+            $isPluginUplad = false;
+            if (isset($_GET['action'])) {
+                if ($_GET['action'] === 'upload-plugin') {
+                    $isPluginUplad = true;
+                    if ($pluginUploadScanEnabled === false) {
+                        return $file;
+                    }
+                }
+            }
+
+            // when this is a media upload (not a plugin upload) but the media upload scan is disabled, we don't need to scan the file
+            if ($isPluginUplad === false) {
+                if ($mediaUploadScanEnabled === false) {
+                    return $file;
+                }
+            }
+
             $verdict = $this->scanFile($file['tmp_name']);
             if (\VaasSdk\Message\Verdict::MALICIOUS === $verdict) {
                 $file['error'] = __('virus found');

wordpress-gdata-antivirus.php

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * wordpress-gdata-antivirus
+ * G DATA Antivirus
  *
  * @category Security
  * @package  GD_Scan
@@ -10,7 +10,7 @@
  * @link     https://github.com/GDATASoftwareAG/vaas
  *
  * @wordpress-plugin
- * Plugin Name: wordpress-gdata-antivirus
+ * Plugin Name: G DATA Antivirus
  * Version: 0.0.1
  * Requires PHP: 8.1
  * Plugin URI: https://github.com/GDATASoftwareAG/wordpress-gdata-antivirus