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<?php |
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/** |
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* OpenStation — Desktop-theme REST routes. |
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* |
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* POST /desktop-mode/v1/desktop-themes multipart `file` |
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* DELETE /desktop-mode/v1/desktop-themes/<slug> |
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* |
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* There is deliberately no GET: the library rides the shell payload |
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* (`serverDesktopThemes`), so a separate read route would be a |
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* second source of truth to keep in sync for no gain. |
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* |
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* @package OpenStation |
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*/ |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Permission gate: the standard openstation REST gate plus the |
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* theme-management capability. |
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* |
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* @return true|WP_Error |
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*/ |
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function openstation_desktop_themes_rest_permission() { |
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$base = openstation_rest_require_enabled(); |
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if ( is_wp_error( $base ) ) { |
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return $base; |
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} |
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if ( ! current_user_can( openstation_desktop_theme_upload_capability() ) ) { |
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return new WP_Error( |
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'openstation_desktop_theme_cannot_manage', |
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__( 'You are not allowed to manage desktop themes.', 'desktop-mode' ), |
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array( 'status' => 403 ) |
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); |
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} |
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return true; |
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} |
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|
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/** |
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* Register the routes. |
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*/ |
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function openstation_register_desktop_themes_rest_routes() { |
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register_rest_route( |
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'desktop-mode/v1', |
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'/desktop-themes', |
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array( |
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// POST only — PHP populates `$_FILES` for real POSTs only. |
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'methods' => WP_REST_Server::CREATABLE, |
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'permission_callback' => 'openstation_desktop_themes_rest_permission', |
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'callback' => 'openstation_rest_upload_desktop_theme', |
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) |
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); |
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|
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register_rest_route( |
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'desktop-mode/v1', |
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'/desktop-themes/(?P<slug>[a-z0-9_-]+)', |
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array( |
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'methods' => WP_REST_Server::DELETABLE, |
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'permission_callback' => 'openstation_desktop_themes_rest_permission', |
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'callback' => 'openstation_rest_delete_desktop_theme', |
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'args' => array( |
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'slug' => array( |
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'type' => 'string', |
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'required' => true, |
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), |
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), |
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) |
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); |
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} |
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add_action( 'rest_api_init', 'openstation_register_desktop_themes_rest_routes' ); |
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|
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/** |
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* POST /desktop-mode/v1/desktop-themes |
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* |
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* @param WP_REST_Request $request Request. |
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* @return WP_REST_Response|WP_Error The payload-shaped entry. |
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*/ |
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function openstation_rest_upload_desktop_theme( WP_REST_Request $request ) { |
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$files = $request->get_file_params(); |
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|
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// A body over `post_max_size` reaches PHP with $_POST and $_FILES |
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// both empty while CONTENT_LENGTH says bytes were sent. Answer a |
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// clear 413 rather than the baffling "missing parameter" default |
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// (same treatment as the stored-files upload route). |
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if ( empty( $files ) ) { |
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$content_length = isset( $_SERVER['CONTENT_LENGTH'] ) ? (int) $_SERVER['CONTENT_LENGTH'] : 0; |
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if ( $content_length > 0 ) { |
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return new WP_Error( |
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'openstation_desktop_theme_too_large', |
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__( 'That theme archive is larger than this server accepts.', 'desktop-mode' ), |
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array( 'status' => 413 ) |
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); |
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} |
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return new WP_Error( |
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'openstation_desktop_theme_no_file', |
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__( 'No theme archive was uploaded.', 'desktop-mode' ), |
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array( 'status' => 400 ) |
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); |
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} |
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if ( empty( $files['file'] ) || ! is_array( $files['file'] ) ) { |
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return new WP_Error( |
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'openstation_desktop_theme_no_file', |
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__( 'No theme archive was uploaded.', 'desktop-mode' ), |
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array( 'status' => 400 ) |
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); |
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} |
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|
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$file = $files['file']; |
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$name = isset( $file['name'] ) ? (string) $file['name'] : ''; |
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|
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// Name check: must END in `.zip`, and no dot-segment anywhere in |
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// the name may look executable (`theme.php.zip` is refused even |
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// though its final extension is fine — OWASP double-extension). |
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$segments = explode( '.', strtolower( $name ) ); |
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$last = array_pop( $segments ); |
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if ( 'zip' !== $last ) { |
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return new WP_Error( |
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'openstation_desktop_theme_not_zip', |
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__( 'A desktop theme must be uploaded as a .zip archive.', 'desktop-mode' ), |
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array( 'status' => 400 ) |
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); |
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} |
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$denied = array( 'php', 'php3', 'php4', 'php5', 'php7', 'php8', 'phtml', 'phar', 'pht', 'phps', 'cgi', 'pl', 'asp', 'aspx', 'jsp', 'shtml', 'html', 'htm', 'js' ); |
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array_shift( $segments ); // First segment is the base name. |
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foreach ( $segments as $segment ) { |
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if ( in_array( $segment, $denied, true ) ) { |
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return new WP_Error( |
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'openstation_desktop_theme_not_zip', |
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__( 'That file name is not allowed.', 'desktop-mode' ), |
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array( 'status' => 400 ) |
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); |
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} |
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} |
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|
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$max = (int) wp_max_upload_size(); |
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if ( $max > 0 && isset( $file['size'] ) && (int) $file['size'] > $max ) { |
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return new WP_Error( |
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'openstation_desktop_theme_too_large', |
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sprintf( |
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/* translators: %s: formatted maximum file size. */ |
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__( 'That theme archive is larger than the allowed maximum of %s.', 'desktop-mode' ), |
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size_format( $max ) |
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), |
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array( 'status' => 413 ) |
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); |
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} |
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|
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$tmp = isset( $file['tmp_name'] ) ? (string) $file['tmp_name'] : ''; |
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if ( '' === $tmp || ! file_exists( $tmp ) ) { |
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return new WP_Error( |
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'openstation_desktop_theme_no_file', |
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__( 'The uploaded archive could not be read.', 'desktop-mode' ), |
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array( 'status' => 400 ) |
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); |
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} |
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|
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$entry = openstation_desktop_theme_install_from_zip( $tmp ); |
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if ( is_wp_error( $entry ) ) { |
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return $entry; |
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} |
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|
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$shaped = openstation_shape_desktop_theme_payload_entry( $entry, 'upload' ); |
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if ( ! $shaped ) { |
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return new WP_Error( |
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'openstation_desktop_theme_install_failed', |
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__( 'The theme installed but could not be described back to the shell.', 'desktop-mode' ), |
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array( 'status' => 500 ) |
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); |
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} |
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|
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// Wallpapers the theme brought with it. |
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// |
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// `openstation_register_desktop_theme_wallpapers()` already ran on |
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// `init` for THIS request — before the upload existed — so the new |
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// theme's wallpapers are not in the registry yet. Re-running it now |
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// picks them up (registration is idempotent: same ids, same store), |
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// and the shell applies the rebuilt list without a reload. Without |
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// this the wallpapers only appeared on the next page load, which is |
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// exactly the kind of "it works after F5" seam this payload channel |
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// exists to remove. |
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openstation_register_desktop_theme_wallpapers(); |
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$shaped['serverWallpapers'] = openstation_build_desktop_wallpapers_payload(); |
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|
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return rest_ensure_response( $shaped ); |
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} |
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|
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/** |
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* DELETE /desktop-mode/v1/desktop-themes/<slug> |
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* |
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* @param WP_REST_Request $request Request. |
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* @return WP_REST_Response|WP_Error |
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*/ |
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function openstation_rest_delete_desktop_theme( WP_REST_Request $request ) { |
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$slug = sanitize_key( (string) $request['slug'] ); |
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$deleted = openstation_desktop_theme_delete( $slug ); |
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if ( is_wp_error( $deleted ) ) { |
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return $deleted; |
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} |
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// The deleted theme's wallpapers were registered on `init`, into a |
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// per-request static store we have no unregister API for. Filtering |
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// them out of the response is enough and avoids inventing one: the |
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// store dies with the request, and the next one never registers |
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// them because the theme is gone. |
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$prefix = OPENSTATION_DESKTOP_THEME_WALLPAPER_PREFIX . $slug . '/'; |
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$wallpapers = array(); |
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foreach ( openstation_build_desktop_wallpapers_payload() as $wallpaper ) { |
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$id = isset( $wallpaper['id'] ) ? (string) $wallpaper['id'] : ''; |
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if ( '' !== $id && 0 === strpos( $id, $prefix ) ) { |
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continue; |
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} |
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$wallpapers[] = $wallpaper; |
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} |
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|
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return rest_ensure_response( |
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array( |
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'deleted' => true, |
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'slug' => $slug, |
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'serverWallpapers' => $wallpapers, |
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) |
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); |
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} |
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|
