Ticket #45528: 45528.4.patch

src/wp-includes/l10n.php

@@ -924 +924 @@
 
         $obj = $wp_scripts->registered[ $handle ];
 
+        $src = $obj->src;
+        if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $wp_scripts->content_url && 0 === strpos( $src, $wp_scripts->content_url ) ) ) {
+                $src = $wp_scripts->base_url . $src;
+        }
         /** This filter is documented in wp-includes/class.wp-scripts.php */
-        $src = esc_url( apply_filters( 'script_loader_src', $obj->src, $handle ) );
+        $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) );
 
         $relative       = false;
         $languages_path = WP_LANG_DIR;
@@ -937 +941 @@
         // If the host is the same or it's a relative URL.
         if (
                 strpos( $src_url['path'], $content_url['path'] ) === 0 &&
-                ( ! isset( $src_url['host'] ) || $src_url['host'] !== $content_url['host'] )
+                ( ! isset( $src_url['host'] ) || $src_url['host'] === $content_url['host'] )
         ) {
                 // Make the src relative the specific plugin or theme.
-                $relative = trim( substr( $src, strlen( $content_url['path'] ) ), '/' );
+                $relative = trim( substr( $src_url['path'], strlen( $content_url['path'] ) ), '/' );
                 $relative = explode( '/', $relative );
 
                 $languages_path = WP_LANG_DIR . '/' . $relative[0];
@@ -947 +951 @@
 
                 $relative = array_slice( $relative, 2 );
                 $relative = implode( '/', $relative );
-        } elseif ( ! isset( $src_url['host'] ) || $src_url['host'] !== $site_url['host'] ) {
+        } elseif ( ! isset( $src_url['host'] ) || $src_url['host'] === $site_url['host'] ) {
                 if ( ! isset( $site_url['path'] ) ) {
                         $relative = trim( $src_url['path'], '/' );
-                } elseif ( ( strpos( $src_url['path'], $site_url['path'] ) === 0 ) ) {
+                } elseif ( ( strpos( $src_url['path'], trailingslashit( $site_url['path'] ) ) === 0 ) ) {
                         // Make the src relative to the WP root.
-                        $relative = substr( $src, strlen( $site_url['path'] ) );
+                        $relative = substr( $src_url['path'], strlen( $site_url['path'] ) );
                         $relative = trim( $relative, '/' );
                 }
+        } elseif ( isset( $src_url['host'] ) && $src_url['host'] !== $site_url['host'] && false !== strpos( $src_url['path'], '/wp-includes/' ) ) {
+                // This handles CDNs that mirror all static assets.
+                $relative = substr( $src_url['path'], 1 + strpos( $src_url['path'], '/wp-includes/' ) );
         }
 
         // If the source is not from WP.

tests/phpunit/tests/l10n/loadScriptTextdomain.php

@@ +1 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_loadScriptTextdomain extends WP_UnitTestCase {
+        /**
+         * @ticket 45528
+         */
+        public function test_resolve_relative_path() {
+                $json_translations = file_get_contents( DIR_TESTDATA . '/languages/en_US-813e104eb47e13dd4cc5af844c618754.json' );
+
+                wp_enqueue_script( 'test-example-root', '/wp-includes/js/script.js', array(), null );
+                $this->assertEquals( $json_translations, load_script_textdomain( 'test-example-root', 'default', DIR_TESTDATA . '/languages' ) );
+
+                wp_enqueue_script( 'test-example-cdn', 'https://c0.wp.com/c/5.0.1/wp-includes/js/script.js', array(), null );
+                $this->assertEquals( $json_translations, load_script_textdomain( 'test-example-cdn', 'default', DIR_TESTDATA . '/languages' ) );
+
+                update_option( 'siteurl', get_option( 'siteurl' ) . 'wp/' );
+                wp_enqueue_script( 'test-example-subdir', '/wp/wp-includes/js/script.js', array(), null );
+                $this->assertEquals( $json_translations, load_script_textdomain( 'test-example-subdir', 'default', DIR_TESTDATA . '/languages' ) );
+
+        }
+}