Changeset 2318196

Timestamp:

06/04/2020 01:57:39 PM (6 years ago)

Author:

imageengine

Message:

added CH and FP

Location:

image-cdn/trunk

Files:

• image-cdn.php (modified) (1 diff)
• imageengine/class-imagecdn.php (modified) (2 diffs)
• readme.txt (modified) (1 diff)
• templates/settings.php (modified) (1 diff)

image-cdn/trunk/image-cdn.php

@@ -7 +7 @@
  * Author URI: https://imageengine.io/
  * License: GPLv2 or later
- * Version: 1.0.1
+ * Version: 1.0.3
  */
 

image-cdn/trunk/imageengine/class-imagecdn.php

@@ -35 +35 @@
 
             // Resource hints.
-            add_action( 'wp_head', array( self::class, 'add_head_tags' ), 0 );
+            //add_action( 'wp_head', array( self::class, 'add_head_tags' ), 0 );
+      add_action( 'send_headers', array( self::class, 'add_headers' ), 0 );
         }
 
@@ -46 +47 @@
         add_filter( 'plugin_action_links_' . IMAGE_CDN_BASE, array( self::class, 'add_action_link' ) );
     }
+
+    /**
+     * Add http headers for Client Hints, Feature Policy and Preconnect Resource Hint.
+     */
+    public static function add_headers() {
+        // Add client hints.
+        header( 'Accept-CH: viewport-width, width, device-memory, dpr, rtt, downlink, ect' );
+
+        // Add resource hints and feature policy.
+        $options = self::get_options();
+        $host    = wp_parse_url( $options['url'], PHP_URL_HOST );
+        if ( ! empty( $host ) ) {
+            $protocol = (is_ssl()) ? "https://" : "http://";
+        header( 'Link: <'.$protocol.$host.'>; rel=preconnect' );
+        header( 'Feature-Policy: ch-viewport-width '.$protocol.$host.'; ch-width '.$protocol.$host.'; ch device-memory '.$protocol.$host.'; ch-dpr '.$protocol.$host.'; ch-rtt '.$protocol.$host.'; ch-downlink '.$protocol.$host.'; ch-ect '.$protocol.$host.';' );
+        }
+    }
+
 
     /**

image-cdn/trunk/readme.txt

@@ -120 +120 @@
 == Changelog ==
 
+= 1.0.3 =
+* Support for Client Hints and Feature Policy
+
 = 1.0.2 =
 * Updated readme with better documentation

image-cdn/trunk/templates/settings.php

@@ -21 +21 @@
         <p><?php esc_html_e( 'To obtain an ImageEngine CDN hostname' ); ?>:</p>
         <ol>
-            <li><a target="_blank" href="https://imageengine.io/signup/?utm_source=WP-plugin-settigns&utm_medium=page&utm_term=wp-imageengine&utm_campaign=wp-imageengine">Sign up for an ImageEngine account</a></li>
+            <li><a target="_blank" href="https://imageengine.io/signup/?website=<?php echo get_site_url();?>&?utm_source=WP-plugin-settigns&utm_medium=page&utm_term=wp-imageengine&utm_campaign=wp-imageengine">Sign up for an ImageEngine account</a></li>
             <li>
             <?php