New. Plugins page. Show changelog in the update notice.

inc/cleantalk-admin.php

@@ -6,6 +6,7 @@
 use Cleantalk\ApbctWP\CleantalkSettingsTemplates;
 use Cleantalk\ApbctWP\ContactsEncoder\ContactsEncoder;
 use Cleantalk\ApbctWP\Escape;
+use Cleantalk\ApbctWP\UpdateChangelogNotice;
 use Cleantalk\ApbctWP\Variables\Get;
 use Cleantalk\ApbctWP\Variables\Post;
 use Cleantalk\ApbctWP\Variables\Server;
@@ -35,6 +36,7 @@
 add_action('comment_spam_to_unapproved', 'apbct_comment__remove_meta_approved', 10, 1);
 add_action('comment_trash_to_unapproved', 'apbct_comment__remove_meta_approved', 10, 1);
 
+UpdateChangelogNotice::register();
 /**
  * Crunch for Anti-Bot
  * Hooked by 'admin_head'

lib/Cleantalk/ApbctWP/Escape.php

@@ -89,6 +89,8 @@ public static function escKses($string, $allowed_html, $allowed_protocols = arra
     {
         add_filter('safe_style_css', function ($styles) {
             $styles[] = 'display';
+            $styles[] = 'list-style';
+            $styles[] = 'list-style-type';
             return $styles;
         });
 
@@ -236,7 +238,27 @@ public static function escKsesPreset($string, $preset = null, $_allowed_protocol
                 'b' => array(
                     'style' => true,
                 ),
-            )
+            ),
+            'apbct_update_changelog_notice' => array(
+                'details' => array(
+                    'open' => true,
+                ),
+                'summary' => array(),
+                'ul' => array(
+                    'style' => true,
+                ),
+                'ol' => array(
+                    'style' => true,
+                ),
+                'li' => array(),
+                //'p' => array(),
+                'br' => array(),
+                'strong' => array(),
+                'b' => array(),
+                'em' => array(),
+                'i' => array(),
+                'code' => array(),
+            ),
         );
 
         if ( !empty($kses_presets[$preset]) ) {

lib/Cleantalk/ApbctWP/UpdateChangelogNotice.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Cleantalk\ApbctWP;
+
+use Cleantalk\Common\AbstractUpdateChangelogNotice;
+
+/**
+ * Shows the changelog of the pending Security by CleanTalk update
+ * on the plugins list page. Uses native WordPress admin markup only.
+ */
+class UpdateChangelogNotice extends AbstractUpdateChangelogNotice
+{
+    /**
+     * @inheritDoc
+     */
+    protected function getPluginFile()
+    {
+        return APBCT_PLUGIN_BASE_NAME;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function getSlug()
+    {
+        return 'cleantalk-spam-protect';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function getGithubRepo()
+    {
+        return 'CleanTalk/wordpress-antispam';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function escapeChangelogHtml($html)
+    {
+        return Escape::escKsesPreset($html, 'apbct_update_changelog_notice');
+    }
+
+    /**
+     * @inheritDoc
+     *
+     * The markup is placed outside the message paragraph, so the native notice
+     * icon is not duplicated.
+     */
+    protected function getNoticeHtml($version, $changelog_html)
+    {
+        return sprintf(
+            '<details open>'
+            . '<summary><strong>%s</strong></summary>'
+            . '%s'
+            . '</details>',
+            esc_html(
+                __('A few useful tweaks in the new version', 'cleantalk-spam-protect')
+            ),
+            $changelog_html
+        );
+    }
+}