Ticket #14179: 14179-UpdateURI-header-refresh.diff

src/wp-includes/class-wp-theme.php

@@ -23 +23 @@
          *
          * @since 3.4.0
          * @since 5.4.0 Added `Requires at least` and `Requires PHP` headers.
+         * @since 6.0.0 Added support for `Update URI` header.
          * @var string[]
          */
         private static $file_headers = array(
@@ -39 +40 @@
                 'DomainPath'  => 'Domain Path',
                 'RequiresWP'  => 'Requires at least',
                 'RequiresPHP' => 'Requires PHP',
+                'UpdateURI'   => 'Update URI',
         );
 
         /**
@@ -894 +896 @@
                         case 'Version':
                         case 'RequiresWP':
                         case 'RequiresPHP':
+                        case 'UpdateURI':
                                 $value = strip_tags( $value );
                                 break;
                 }

src/wp-includes/update.php

@@ -577 +577 @@
                         'Version'    => $theme->get( 'Version' ),
                         'Author'     => $theme->get( 'Author' ),
                         'Author URI' => $theme->get( 'AuthorURI' ),
+                        'UpdateURI'  => $theme->get( 'UpdateURI' ),
                         'Template'   => $theme->get_template(),
                         'Stylesheet' => $theme->get_stylesheet(),
                 );
@@ -708 +709 @@
                 $new_update->translations = $response['translations'];
         }
 
+        // Support updates for any themes using the `Update URI` header field.
+        foreach ( $themes as $theme_stylesheet => $theme_data ) {
+                if ( ! $theme_data['UpdateURI'] || isset( $new_update->response[ $theme_stylesheet ] ) ) {
+                        continue;
+                }
+
+                $hostname = wp_parse_url( esc_url_raw( $theme_data['UpdateURI'] ), PHP_URL_HOST );
+
+                /**
+                 * Filters the update response for a given theme hostname.
+                 *
+                 * The dynamic portion of the hook name, `$hostname`, refers to the hostname
+                 * of the URI specified in the `Update URI` header field.
+                 *
+                 * @since 6.0.0
+                 *
+                 * @param array|false $update {
+                 *     The theme update data with the latest details. Default false.
+                 *
+                 *     @type string $id           Optional. ID of the theme for update purposes, should be a URI
+                 *                                specified in the `Update URI` header field.
+                 *     @type string $theme        Directory name of the theme.
+                 *     @type string $version      The version of the theme.
+                 *     @type string $url          The URL for details of the theme.
+                 *     @type string $package      Optional. The update ZIP for the theme.
+                 *     @type string $tested       Optional. The version of WordPress the theme is tested against.
+                 *     @type string $requires_php Optional. The version of PHP which the theme requires.
+                 *     @type bool   $autoupdate   Optional. Whether the theme should automatically update.
+                 *     @type array  $translations {
+                 *         Optional. List of translation updates for the theme.
+                 *
+                 *         @type string $language   The language the translation update is for.
+                 *         @type string $version    The version of the theme this translation is for.
+                 *                                  This is not the version of the language file.
+                 *         @type string $updated    The update timestamp of the translation file.
+                 *                                  Should be a date in the `YYYY-MM-DD HH:MM:SS` format.
+                 *         @type string $package    The ZIP location containing the translation update.
+                 *         @type string $autoupdate Whether the translation should be automatically installed.
+                 *     }
+                 * }
+                 * @param array       $theme_data       Theme headers.
+                 * @param string      $theme_stylesheet Theme stylesheet.
+                 * @param array       $locales          Installed locales to look translations for.
+                 */
+                $update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales );
+
+                if ( ! $update ) {
+                        continue;
+                }
+
+                $update = (object) $update;
+
+                // Is it valid? We require at least a version.
+                if ( ! isset( $update->version ) ) {
+                        continue;
+                }
+
+                // These should remain constant.
+                $update->id = $theme_data['UpdateURI'];
+
+                // WordPress needs the version field specified as 'new_version'.
+                if ( ! isset( $update->new_version ) ) {
+                        $update->new_version = $update->version;
+                }
+
+                // Handle any translation updates.
+                if ( ! empty( $update->translations ) ) {
+                        foreach ( $update->translations as $translation ) {
+                                if ( isset( $translation['language'], $translation['package'] ) ) {
+                                        $translation['type'] = 'theme';
+                                        $translation['slug'] = isset( $update->theme ) ? $update->theme : $update->id;
+
+                                        $new_update->translations[] = $translation;
+                                }
+                        }
+                }
+
+                unset( $new_update->no_update[ $theme_stylesheet ], $new_update->response[ $theme_stylesheet ] );
+
+                if ( version_compare( $update->new_version, $theme_data['Version'], '>' ) ) {
+                        $new_update->response[ $theme_stylesheet ] = (array) $update;
+                } else {
+                        $new_update->no_update[ $theme_stylesheet ] = (array) $update;
+                }
+        }
+
         set_site_transient( 'update_themes', $new_update );
 }