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<?php /** * Block Editor & Media Library - Image Studio plugin feature. * * @package automattic/jetpack */ namespace Automattic\Jetpack\Extensions\ImageStudio; use Automattic\Jetpack\Connection\Manager as Connection_Manager; use Automattic\Jetpack\Status; use Automattic\Jetpack\Status\Host; if ( ! defined( 'ABSPATH' ) ) { exit( 0 ); } const FEATURE_NAME = 'image-studio'; const ASSET_BASE_PATH = 'widgets.wp.com/agents-manager/'; const ASSET_JS_URL = 'https://' . ASSET_BASE_PATH . 'image-studio.min.js'; const ASSET_CSS_URL = 'https://' . ASSET_BASE_PATH . 'image-studio.css'; const ASSET_RTL_URL = 'https://' . ASSET_BASE_PATH . 'image-studio.rtl.css'; const ASSET_JSON_URL = 'https://' . ASSET_BASE_PATH . 'image-studio.asset.json'; const ASSET_JSON_PATH = ASSET_BASE_PATH . 'image-studio.asset.json'; const ASSET_TRANSLATIONS_URL = 'https://' . ASSET_BASE_PATH . 'languages/'; const ASSET_TRANSIENT = 'jetpack_image_studio_asset'; /** * Check if Image Studio is enabled. * * Requires AI features (Big Sky or AI Assistant) plus at least one of: * - The unified chat experience (agents_manager_use_unified_experience). * - The jetpack_image_studio_enabled filter. * * @return bool */ function is_image_studio_enabled() { if ( ! has_ai_features() ) { return false; } return apply_filters( 'agents_manager_use_unified_experience', false ) || apply_filters( 'jetpack_image_studio_enabled', false ); } /** * Check whether AI features are available. * * - wpcom simple: always available. * - Atomic: requires Big Sky or AI Assistant feature flags. * - Self-hosted: requires a connected owner with AI not disabled * (same conditions the AI Assistant plugin uses to register). * * @return bool */ function has_ai_features() { $host = new Host(); if ( $host->is_wpcom_simple() ) { return true; } return ( new Connection_Manager( 'jetpack' ) )->has_connected_owner() && ! ( new Status() )->is_offline_mode() && apply_filters( 'jetpack_ai_enabled', true ); } /** * Check if the current screen is a block editor (Post Editor or Site Editor). * * @return bool */ function is_block_editor() { if ( ! function_exists( 'get_current_screen' ) ) { return false; } $screen = get_current_screen(); return $screen && $screen->is_block_editor(); } /** * Check if the current screen is the Media Library. * * @return bool */ function is_media_library() { if ( ! function_exists( 'get_current_screen' ) ) { return false; } $screen = get_current_screen(); return $screen && 'upload' === $screen->base; } /** * Determine if Image Studio should load on the current screen. * * - Media Library: load if either filter is true. * - Block editors (Post/Site Editor): load if either filter is true. * - Other screens: don't load. * * @return bool */ function should_load_on_current_screen() { return is_media_library() || is_block_editor(); } /** * Register the Image Studio plugin. * * Registers unconditionally when either filter is true. Screen-level gating * happens at enqueue time since get_current_screen() is not available here. * * @return void */ function register_plugin() { if ( ! is_image_studio_enabled() ) { return; } \Jetpack_Gutenberg::set_extension_available( FEATURE_NAME ); } add_action( 'jetpack_register_gutenberg_extensions', __NAMESPACE__ . '\register_plugin' ); /** * Fetch and cache the remote asset manifest. * * On WordPress.com, the asset file may be accessible on the local filesystem * (under ABSPATH). This avoids an HTTP round-trip and works on sandboxes where * outbound requests to widgets.wp.com may be blocked. * * @return array|false The decoded asset data, or false on failure. */ function get_asset_data() { $cached = get_transient( ASSET_TRANSIENT ); if ( false !== $cached ) { return $cached; } $data = get_asset_data_from_file(); if ( false === $data ) { $data = get_asset_data_from_remote(); } if ( false === $data ) { return false; } if ( ! ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ) { set_transient( ASSET_TRANSIENT, $data, HOUR_IN_SECONDS ); } return $data; } /** * Try to read the asset manifest from the local filesystem. * * On WordPress.com, widgets.wp.com assets are available at ABSPATH. * * @return array|false The decoded asset data, or false if not available locally. */ function get_asset_data_from_file() { $local_path = ABSPATH . ASSET_JSON_PATH; if ( ! file_exists( $local_path ) ) { return false; } // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- Reading a local file, not a remote URL. $contents = file_get_contents( $local_path ); if ( false === $contents ) { return false; } $data = json_decode( $contents, true ); if ( json_last_error() !== JSON_ERROR_NONE || ! is_array( $data ) ) { return false; } return $data; } /** * Fetch the asset manifest via HTTP. * * Used as a fallback when the file is not available locally (e.g. self-hosted sites). * * @return array|false The decoded asset data, or false on failure. */ function get_asset_data_from_remote() { $response = wp_safe_remote_get( ASSET_JSON_URL ); if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { return false; } $content_type = wp_remote_retrieve_header( $response, 'content-type' ); if ( is_string( $content_type ) && false === stripos( $content_type, 'json' ) ) { return false; } $body = wp_remote_retrieve_body( $response ); $data = json_decode( $body, true ); if ( json_last_error() !== JSON_ERROR_NONE || ! is_array( $data ) ) { return false; } return $data; } /** * Determine the ISO 639 locale code for the current user. * * @return string The ISO 639 language code, defaulting to 'en'. */ function determine_iso_639_locale() { $language = get_user_locale(); $language = strtolower( $language ); if ( in_array( $language, array( 'pt_br', 'pt-br', 'zh_tw', 'zh-tw', 'zh_cn', 'zh-cn' ), true ) ) { $language = str_replace( '_', '-', $language ); } else { $language = preg_replace( '/([-_].*)$/i', '', $language ); } if ( empty( $language ) ) { return 'en'; } return $language; } /** * Enqueue Image Studio script and style assets. * * @return void */ function do_enqueue_assets() { if ( ! is_image_studio_enabled() ) { return; } $asset_data = get_asset_data(); if ( ! $asset_data ) { return; } $version = $asset_data['version'] ?? false; $dependencies = $asset_data['dependencies'] ?? array(); $locale = determine_iso_639_locale(); if ( 'en' !== $locale ) { // Load translations from widgets.wp.com. wp_enqueue_script( 'image-studio-translations', ASSET_TRANSLATIONS_URL . $locale . '-v1.js', array( 'wp-i18n' ), $version, true ); $dependencies[] = 'image-studio-translations'; } wp_enqueue_script( FEATURE_NAME, ASSET_JS_URL, $dependencies, $version, true ); wp_add_inline_script( FEATURE_NAME, 'if ( typeof window.imageStudioData === "undefined" ) { window.imageStudioData = ' . wp_json_encode( array( 'enabled' => true ), JSON_HEX_TAG | JSON_HEX_AMP ) . '; }', 'before' ); wp_enqueue_style( FEATURE_NAME . '-style', is_rtl() ? ASSET_RTL_URL : ASSET_CSS_URL, array( 'wp-components' ), $version ); } /** * Enqueue Image Studio assets in the block editor. * * @return void */ function enqueue_image_studio() { if ( ! is_block_editor() ) { return; } do_enqueue_assets(); } add_action( 'enqueue_block_editor_assets', __NAMESPACE__ . '\enqueue_image_studio' ); /** * Enqueue Image Studio assets on admin screens (Media Library). * * @return void */ function enqueue_image_studio_admin() { if ( ! is_media_library() ) { return; } do_enqueue_assets(); } add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\enqueue_image_studio_admin' ); /** * Get the list of AI image extensions that conflict with Image Studio. * * @return array */ function get_ai_image_extensions() { return array( 'ai-featured-image-generator', 'ai-assistant-image-extension', 'ai-general-purpose-image-generator', 'ai-assistant-experimental-image-generation-support', ); } /** * Disable Jetpack AI image extensions when Image Studio is active on the current screen. * * This hook fires on `jetpack_register_gutenberg_extensions` which may run multiple * times: once during initial module load (before get_current_screen() is available) * and again inside Jetpack_Gutenberg::get_availability() during enqueue (where the * screen IS available). * * Only disables AI extensions when we can confirm Image Studio will actually load * on the current screen (i.e. screen is available and should_load_on_current_screen() * returns true). If the screen is not available or Image Studio won't load on this * screen, AI extensions remain enabled. * * This ensures AI extensions are available on screens where Image Studio won't load * (e.g. dashboard, other non-editor screens, or early initialization). * * @return void */ function disable_jetpack_ai_image_extensions() { if ( ! is_image_studio_enabled() ) { return; } // Only disable if screen is available and Image Studio will actually load. if ( ! function_exists( 'get_current_screen' ) || ! get_current_screen() || ! should_load_on_current_screen() ) { return; } foreach ( get_ai_image_extensions() as $extension ) { \Jetpack_Gutenberg::set_extension_unavailable( $extension, 'image_studio_active' ); } } // Priority 99 ensures this runs after all AI extensions are registered at default priority. add_action( 'jetpack_register_gutenberg_extensions', __NAMESPACE__ . '\disable_jetpack_ai_image_extensions', 99 );
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