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| 1 | <?php |
| 2 | /** |
| 3 | * The Jetpack SEO wp-admin page shell. |
| 4 | * |
| 5 | * Registers the `admin.php?page=jetpack-seo` screen via Admin_Menu so it is |
| 6 | * reachable on self-hosted, Atomic/WoA, and Simple sites alike, loads the |
| 7 | * `@wordpress/build` (wp-build) dashboard bundle that renders it, and |
| 8 | * bootstraps the React app's initial state onto the page. |
| 9 | * |
| 10 | * @package automattic/jetpack-seo-package |
| 11 | */ |
| 12 | |
| 13 | namespace Automattic\Jetpack\SEO; |
| 14 | |
| 15 | use Automattic\Jetpack\Admin_UI\Admin_Menu; |
| 16 | use Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Polyfills; |
| 17 | use Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Screen_Id; |
| 18 | |
| 19 | /** |
| 20 | * Registers the SEO admin menu and loads the wp-build dashboard bundle. |
| 21 | */ |
| 22 | class Admin_Page { |
| 23 | |
| 24 | /** |
| 25 | * URL-facing menu slug (`admin.php?page=jetpack-seo`). |
| 26 | */ |
| 27 | const MENU_SLUG = 'jetpack-seo'; |
| 28 | |
| 29 | /** |
| 30 | * Slug emitted by `@wordpress/build` (`wpPlugin.pages[0]`). wp-build's |
| 31 | * auto-generated enqueue callback only fires when `$screen->id` matches |
| 32 | * this value, so we alias the screen id to it around that check without |
| 33 | * changing the user-facing URL. |
| 34 | */ |
| 35 | const WP_BUILD_SLUG = 'jetpack-seo-dashboard'; |
| 36 | |
| 37 | /** |
| 38 | * Render function generated by `@wordpress/build` into |
| 39 | * `build/pages/jetpack-seo-dashboard/page-wp-admin.php`. Naming convention: |
| 40 | * `{wpPlugin.name}_{page-with-underscores}_wp_admin_render_page`. |
| 41 | */ |
| 42 | const WP_BUILD_RENDER_FN = 'jetpack_seo_jetpack_seo_dashboard_wp_admin_render_page'; |
| 43 | |
| 44 | /** |
| 45 | * The screen ID alias_screen_id_for_wp_build() replaced, until it is restored. |
| 46 | * |
| 47 | * @var string|null |
| 48 | */ |
| 49 | private static $wp_build_original_screen_id = null; |
| 50 | |
| 51 | /** |
| 52 | * The dashboard screen hide_jitms_on_wp_build_dashboard() opts out of JITMs. |
| 53 | * |
| 54 | * @var string|null |
| 55 | */ |
| 56 | private static $jitm_opt_out_screen_id = null; |
| 57 | |
| 58 | /** |
| 59 | * Register the admin menu item. |
| 60 | * |
| 61 | * Uses Admin_Menu so the page is reachable on wp-admin across all site |
| 62 | * types. The render callback is wp-build's generated render function when |
| 63 | * the bundle is loaded (i.e. on the SEO page itself, after |
| 64 | * `maybe_load_wp_build()` ran at priority 1); otherwise it falls back to a |
| 65 | * bare mount node so the page never fatals on an unbuilt checkout. |
| 66 | * |
| 67 | * @return void |
| 68 | */ |
| 69 | public static function add_menu_item() { |
| 70 | $callback = function_exists( self::WP_BUILD_RENDER_FN ) |
| 71 | ? self::WP_BUILD_RENDER_FN |
| 72 | : array( __CLASS__, 'render_fallback' ); |
| 73 | |
| 74 | $page_suffix = Admin_Menu::add_menu( |
| 75 | 'SEO', |
| 76 | 'SEO', |
| 77 | 'manage_options', |
| 78 | self::MENU_SLUG, |
| 79 | $callback, |
| 80 | null, |
| 81 | // SEO has no My Jetpack product class, so the module is the only gate available. |
| 82 | array( |
| 83 | 'module' => 'seo-tools', |
| 84 | 'key' => 'jetpack-seo', |
| 85 | ) |
| 86 | ); |
| 87 | |
| 88 | if ( $page_suffix ) { |
| 89 | self::opt_out_of_jitms( $page_suffix ); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * On the SEO admin page, load the wp-build bundle, alias the screen id so |
| 95 | * wp-build enqueues its assets, and bootstrap the app's initial state. |
| 96 | * |
| 97 | * Hooked at `admin_menu` priority 1 so polyfills register and the render |
| 98 | * function is defined before `add_menu_item()` runs at priority 10. |
| 99 | * |
| 100 | * @return void |
| 101 | */ |
| 102 | public static function maybe_load_wp_build() { |
| 103 | if ( ! self::is_seo_admin_request() ) { |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | self::load_wp_build_with_screen_alias(); |
| 108 | add_filter( 'jetpack_admin_js_script_data', array( __CLASS__, 'inject_script_data' ) ); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Load wp-build with the screen ID aliased across its generated enqueue check. |
| 113 | * |
| 114 | * @see WP_Build_Screen_Id::load_with_alias() |
| 115 | * @return void |
| 116 | */ |
| 117 | private static function load_wp_build_with_screen_alias() { |
| 118 | // Fallback: an older wp-build-polyfills under the jetpack-autoloader may predate load_with_alias(). |
| 119 | if ( method_exists( WP_Build_Screen_Id::class, 'load_with_alias' ) ) { |
| 120 | WP_Build_Screen_Id::load_with_alias( |
| 121 | array( __CLASS__, 'alias_screen_id_for_wp_build' ), |
| 122 | array( __CLASS__, 'restore_screen_id_after_wp_build' ), |
| 123 | function () { |
| 124 | self::load_wp_build(); |
| 125 | } |
| 126 | ); |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | add_action( 'admin_enqueue_scripts', array( __CLASS__, 'alias_screen_id_for_wp_build' ) ); |
| 131 | self::load_wp_build(); |
| 132 | add_action( 'admin_enqueue_scripts', array( __CLASS__, 'restore_screen_id_after_wp_build' ) ); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Load wp-build's generated registration file and register the polyfills |
| 137 | * the bundle depends on. No-op on a fresh checkout before `pnpm build`, in |
| 138 | * which case `add_menu_item()` falls back to {@see self::render_fallback()}. |
| 139 | * |
| 140 | * @return void |
| 141 | */ |
| 142 | private static function load_wp_build() { |
| 143 | $build_index = dirname( __DIR__ ) . '/build/build.php'; |
| 144 | |
| 145 | if ( ! file_exists( $build_index ) ) { |
| 146 | return; |
| 147 | } |
| 148 | |
| 149 | require_once $build_index; |
| 150 | |
| 151 | WP_Build_Polyfills::register( |
| 152 | 'jetpack-seo', |
| 153 | array_merge( WP_Build_Polyfills::SCRIPT_HANDLES, WP_Build_Polyfills::MODULE_IDS ) |
| 154 | ); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Alias the current screen id to wp-build's expected slug so its |
| 159 | * auto-generated enqueue callback fires for our user-facing page. |
| 160 | * |
| 161 | * @since 0.9.5 Takes no argument; hooked on `admin_enqueue_scripts`. |
| 162 | * |
| 163 | * @return void |
| 164 | */ |
| 165 | public static function alias_screen_id_for_wp_build() { |
| 166 | $screen = get_current_screen(); |
| 167 | if ( ! $screen ) { |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | self::$wp_build_original_screen_id = $screen->id; |
| 172 | $screen->id = self::WP_BUILD_SLUG; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Undo alias_screen_id_for_wp_build(), so code after the generated check sees the real screen ID. |
| 177 | * |
| 178 | * @since 0.9.5 |
| 179 | * |
| 180 | * @return void |
| 181 | */ |
| 182 | public static function restore_screen_id_after_wp_build() { |
| 183 | $screen = get_current_screen(); |
| 184 | if ( ! $screen || null === self::$wp_build_original_screen_id ) { |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | $screen->id = self::$wp_build_original_screen_id; |
| 189 | self::$wp_build_original_screen_id = null; |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * Opt the dashboard's screen out of JITMs. |
| 194 | * |
| 195 | * @param string $screen_id The hook suffix the page was registered under, which is its screen ID. |
| 196 | * @return void |
| 197 | */ |
| 198 | private static function opt_out_of_jitms( $screen_id ) { |
| 199 | self::$jitm_opt_out_screen_id = $screen_id; |
| 200 | add_filter( 'jetpack_display_jitms_on_screen', array( __CLASS__, 'hide_jitms_on_wp_build_dashboard' ), 10, 2 ); |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Keep JITMs off the wp-build dashboard, which has no `#jp-admin-notices` to show them in. |
| 205 | * |
| 206 | * Fetching a JITM records a view, so one the page hides would still be counted. |
| 207 | * |
| 208 | * @since 0.9.5 |
| 209 | * |
| 210 | * @param bool $show Whether to show JITMs on the screen. |
| 211 | * @param string $screen_id The screen ID. |
| 212 | * @return bool |
| 213 | */ |
| 214 | public static function hide_jitms_on_wp_build_dashboard( $show, $screen_id ) { |
| 215 | if ( null !== self::$jitm_opt_out_screen_id && self::$jitm_opt_out_screen_id === $screen_id ) { |
| 216 | return false; |
| 217 | } |
| 218 | |
| 219 | return $show; |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Bootstrap the React app's initial state onto `window.JetpackScriptData.seo`. |
| 224 | * |
| 225 | * Because wp-build pages load as ES modules, `wp_localize_script` can't |
| 226 | * attach data to them; the shared `jetpack_admin_js_script_data` filter |
| 227 | * (printed by the Script_Data package onto the `jetpack-script-data` handle |
| 228 | * the bundle already depends on) is the supported channel. The per-tab state |
| 229 | * is provided as an apiFetch *preload* (mirrors Podcast) so the app resolves |
| 230 | * it with no request on a normal load yet can re-fetch when the preload is |
| 231 | * missing or stale, rather than dead-ending on a one-shot read. |
| 232 | * |
| 233 | * @param array $data Script data being injected onto the page. |
| 234 | * @return array |
| 235 | */ |
| 236 | public static function inject_script_data( $data ) { |
| 237 | if ( ! is_array( $data ) ) { |
| 238 | $data = array(); |
| 239 | } |
| 240 | |
| 241 | // Preload the dashboard's REST reads into the page so the app resolves them from |
| 242 | // cache on first paint with no network request — while still being able to |
| 243 | // re-fetch if that preload is ever missing or stale. This replaces injecting the |
| 244 | // raw payloads, which the app read synchronously once and couldn't recover from |
| 245 | // when momentarily absent (the load-error dead-end). See Dashboard_Data::register_rest_reads() |
| 246 | // and the client readers `_inc/data/get-preloaded.ts` + `_inc/data/use-ensure-tab-data.ts`. |
| 247 | $data[ Initializer::SCRIPT_DATA_KEY ]['preload'] = array_reduce( |
| 248 | Dashboard_Data::rest_read_paths(), |
| 249 | 'rest_preload_api_request', |
| 250 | array() |
| 251 | ); |
| 252 | |
| 253 | // Small synchronous reads used outside the per-tab data stores, and not part of |
| 254 | // the load-error path. |
| 255 | $data[ Initializer::SCRIPT_DATA_KEY ]['google_verify'] = Dashboard_Data::get_google_verify_data(); |
| 256 | $data[ Initializer::SCRIPT_DATA_KEY ]['site'] = Dashboard_Data::get_site_data(); |
| 257 | |
| 258 | // Plan-gating signal for below-Premium WordPress.com sites: when gated, the |
| 259 | // dashboard reduces to a free subset and surfaces the upsell banner. Self-hosted |
| 260 | // is never gated (see Initializer::is_gated()). The upsell URL is only meaningful |
| 261 | // when gated, so it's built only then — every ungated and self-hosted admin load |
| 262 | // otherwise pays for a site-suffix lookup it never uses. |
| 263 | $is_gated = Initializer::is_gated(); |
| 264 | $data[ Initializer::SCRIPT_DATA_KEY ]['gating'] = array( |
| 265 | 'is_gated' => $is_gated, |
| 266 | 'upsell_url' => $is_gated ? Initializer::get_upsell_url() : '', |
| 267 | ); |
| 268 | |
| 269 | return $data; |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Fallback render used when the wp-build artifact is missing (unbuilt |
| 274 | * checkout). Renders a bare wrapper so the page loads without the app. |
| 275 | * |
| 276 | * @return void |
| 277 | */ |
| 278 | public static function render_fallback() { |
| 279 | echo '<div class="wrap"><h1>SEO</h1></div>'; |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * Whether the current request targets the SEO admin page. |
| 284 | * |
| 285 | * @return bool |
| 286 | */ |
| 287 | private static function is_seo_admin_request() { |
| 288 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 289 | if ( ! is_admin() || ! isset( $_GET['page'] ) ) { |
| 290 | return false; |
| 291 | } |
| 292 | |
| 293 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 294 | return self::MENU_SLUG === sanitize_text_field( wp_unslash( $_GET['page'] ) ); |
| 295 | } |
| 296 | } |