Hotfix/revert script link container due to double escaping issues

assets/js/src/front_link_checker.js

@@ -119,13 +119,17 @@ const getRenderedLinks = () => {
 		});
 	}
 
-	// Look for all script tags with '__iawmlf-post-loop-links' class
-	const loopLinks = document.querySelectorAll('script.__iawmlf-post-loop-links');
+	// Look for all loop data nodes with '__iawmlf-post-loop-links' class
+	const loopLinks = document.querySelectorAll('.__iawmlf-post-loop-links[data-iawmlf-links]');
 
-	// Get the links from the script tag content
+	// Get the links from the loop data attribute.
 	loopLinks.forEach((loopLink) => {
-		const links = JSON.parse(loopLink.textContent);
-		addLinks(links);
+		try {
+			const links = JSON.parse(loopLink.getAttribute('data-iawmlf-links'));
+			addLinks(links);
+		} catch (e) {
+			// Do nothing.
+		}
 	});
 
 

internet-archive-wayback-machine-link-fixer.php

@@ -3,7 +3,7 @@
  * The wayback-link-fixer bootstrap file.
  *
  * @since       1.0.0
- * @version     1.4.0
+ * @version     1.4.1
  * @author       Internet Archive
  * @license     GPL-3.0-or-later
  *
@@ -12,7 +12,7 @@
  * @wordpress-plugin
  * Plugin Name:             Internet Archive Wayback Machine Link Fixer
  * Description:             This plugin scans your content for links, replacing broken ones with archived versions from the Wayback Machine. It also features Auto Archiving, which automatically creates snapshots of your own pages and any other links on your site that aren’t yet archived, ensuring long-term accessibility.
- * Version:                 1.4.0
+ * Version:                 1.4.1
  * Requires at least:       6.4
  * Tested up to:            7.0
  * Requires PHP:            7.4
@@ -30,7 +30,7 @@
 define( 'IAWMLF_BASENAME', plugin_basename( __FILE__ ) );
 define( 'IAWMLF_PATH', plugin_dir_path( __FILE__ ) );
 define( 'IAWMLF_URL', plugin_dir_url( __FILE__ ) );
-define( 'IAWMLF_VERSION', '1.4.0' );
+define( 'IAWMLF_VERSION', '1.4.1' );
 define(
 	'IAWMLF_MINIMUM_VERSIONS',
 	array(

package.json

@@ -1,6 +1,6 @@
 {
     "name": "wayback-link-fixer",
-    "version": "1.4.0",
+    "version": "1.4.1",
     "description": "A WordPress plugin that scans content for links, replacing broken ones with archived versions from the Wayback Machine. It also features Auto Archiving, creating snapshots of your own pages and other site links that aren’t yet archived. Uses Action Scheduler for background tasks.",
     "author": {
         "name": "WordPress.com Special Projects Team",

readme.txt

@@ -3,7 +3,7 @@ Contributors: waybackmachineplugin, wpspecialprojects, cagrimmett, glynnquelch
 Tags: wayback machine, internet archive, broken links, archive links
 Requires at least: 6.4
 Tested up to: 6.9
-Stable tag: 1.4.0
+Stable tag: 1.4.1
 Requires PHP: 7.4
 License: GPL-3.0-or-later
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
@@ -116,6 +116,9 @@ The Internet Archive is a non-profit organization dedicated to preserving digita
 
 == Changelog ==
 
+= 1.4.1 =
+* Fix: link data span now survives themes that wrap post content in `wp_kses_post` (previously the JSON could leak as visible text on category and archive templates).
+
 = 1.4.0 =
 * Changes to how we store link information in posts, now uses an escaped `<script>` tag.
 * Move the frontend link checker from Ajax-driven to REST.

src/WP_Post/WP_Post_Controller.php

@@ -318,10 +318,11 @@ public function render_block( string $block_content, array $block ): string { //
 			return $block_content;
 		}
 
-		$json      = wp_json_encode( $links, JSON_HEX_TAG );
-		$html_data = "<script type='application/json' class='__iawmlf-post-loop-links'>{$json}</script>";
+		// Encode with all JSON_HEX_* flags.
+		$json      = wp_json_encode( $links, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT );
+		$html_data = '<span hidden class="__iawmlf-post-loop-links" data-iawmlf-links="' . esc_attr( $json ) . '"></span>';
 
-		return $html_data . $block_content;
+		return $block_content . $html_data;
 	}
 
 	/**