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| 1 | <?php |
| 2 | /** |
| 3 | * Widget Types: registry hydration plus the availability filter hooks. |
| 4 | * |
| 5 | * Copies the wp-build manifest (`jpa_get_registered_widget_modules()`) into the |
| 6 | * in-memory Widget_Type_Registry, so the plugin queries the registry instead |
| 7 | * of re-parsing the manifest. On the way in, user-facing metadata strings are |
| 8 | * translated (per the widget-i18n.json schema) and the `help` note sanitized. |
| 9 | * |
| 10 | * This is the problem-agnostic "core" layer (a PA-namespaced copy of the |
| 11 | * experimental Gutenberg API): it exposes the hooks a consumer uses to scope |
| 12 | * widget types, but never decides availability itself. |
| 13 | * |
| 14 | * - REGISTRABLE_WIDGET_TYPES_FILTER (registry-time): drop candidates before |
| 15 | * they register, gone everywhere. For hard availability. |
| 16 | * - WIDGET_TYPES_FILTER (runtime): scope the registered set on read. For |
| 17 | * request-dependent or soft state (e.g. shown locked). |
| 18 | * |
| 19 | * @package automattic/jetpack-premium-analytics |
| 20 | */ |
| 21 | |
| 22 | namespace Automattic\Jetpack\PremiumAnalytics; |
| 23 | |
| 24 | require_once __DIR__ . '/class-widget-type.php'; |
| 25 | require_once __DIR__ . '/class-widget-type-registry.php'; |
| 26 | |
| 27 | /** |
| 28 | * Registry-time filter over the manifest candidates, before they are registered. |
| 29 | */ |
| 30 | const REGISTRABLE_WIDGET_TYPES_FILTER = 'jetpack_premium_analytics_registrable_widget_types'; |
| 31 | |
| 32 | /** |
| 33 | * Runtime filter over the registered widget types map, read for the client. |
| 34 | */ |
| 35 | const WIDGET_TYPES_FILTER = 'jetpack_premium_analytics_widget_types'; |
| 36 | |
| 37 | /** |
| 38 | * Returns the i18n schema describing which widget metadata fields are |
| 39 | * translatable and the gettext context to use for each. |
| 40 | * |
| 41 | * Read once from widget-i18n.json and memoized for the rest of the request. |
| 42 | * Decoded as objects, not associative arrays: that is how |
| 43 | * `translate_settings_using_i18n_schema()` tells keyed maps apart from lists. |
| 44 | * |
| 45 | * @return object Map of translatable field name to gettext context. |
| 46 | */ |
| 47 | function get_widget_metadata_i18n_schema() { |
| 48 | static $i18n_schema = null; |
| 49 | |
| 50 | if ( null === $i18n_schema ) { |
| 51 | $schema = wp_json_file_decode( __DIR__ . '/widget-i18n.json' ); |
| 52 | $i18n_schema = is_object( $schema ) ? $schema : new \stdClass(); |
| 53 | } |
| 54 | |
| 55 | return $i18n_schema; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Translates a widget's user-facing metadata strings. |
| 60 | * |
| 61 | * Runs `title`, `description`, `help`, and `keywords` through the widget |
| 62 | * i18n schema, leaving every other key untouched. Unlike the upstream copy, |
| 63 | * a widget with no `textdomain` falls back to the package text domain |
| 64 | * instead of skipping translation: every bundled widget shares it. |
| 65 | * |
| 66 | * @param array $widget Widget data from the build manifest. |
| 67 | * @return array Widget data with its translatable strings localized. |
| 68 | */ |
| 69 | function translate_widget_metadata( $widget ) { |
| 70 | $textdomain = ! empty( $widget['textdomain'] ) ? $widget['textdomain'] : 'jetpack-premium-analytics-pkg'; |
| 71 | $i18n_schema = get_widget_metadata_i18n_schema(); |
| 72 | |
| 73 | foreach ( array( 'title', 'description', 'help', 'keywords' ) as $field ) { |
| 74 | if ( isset( $widget[ $field ] ) && isset( $i18n_schema->$field ) ) { |
| 75 | $widget[ $field ] = translate_settings_using_i18n_schema( $i18n_schema->$field, $widget[ $field ], $textdomain ); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return $widget; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Constrains a widget help note to its allowed shape: `content` keeps |
| 84 | * only `em`/`strong` markup, and links are dropped unless they carry a |
| 85 | * `label` and an `href` that survives `esc_url_raw()`. |
| 86 | * |
| 87 | * @param array|null $help Help note from the build manifest. |
| 88 | * @return array|null Sanitized help note, or null when there is no content. |
| 89 | */ |
| 90 | function sanitize_widget_help( $help ) { |
| 91 | if ( ! is_array( $help ) || empty( $help['content'] ) || ! is_string( $help['content'] ) ) { |
| 92 | return null; |
| 93 | } |
| 94 | |
| 95 | $sanitized = array( |
| 96 | 'content' => wp_kses( |
| 97 | $help['content'], |
| 98 | array( |
| 99 | 'em' => array(), |
| 100 | 'strong' => array(), |
| 101 | ) |
| 102 | ), |
| 103 | ); |
| 104 | |
| 105 | if ( ! empty( $help['links'] ) && is_array( $help['links'] ) ) { |
| 106 | $links = array(); |
| 107 | foreach ( $help['links'] as $link ) { |
| 108 | if ( is_array( $link ) && ! empty( $link['label'] ) && ! empty( $link['href'] ) ) { |
| 109 | $href = esc_url_raw( $link['href'] ); |
| 110 | |
| 111 | if ( $href ) { |
| 112 | $links[] = array( |
| 113 | 'label' => $link['label'], |
| 114 | 'href' => $href, |
| 115 | ); |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | if ( $links ) { |
| 121 | $sanitized['links'] = $links; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | return $sanitized; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Hydrates the widget type registry from the build manifest. |
| 130 | * |
| 131 | * Each manifest widget is copied into the registry, gated by |
| 132 | * REGISTRABLE_WIDGET_TYPES_FILTER so a consumer can drop a candidate first. |
| 133 | * |
| 134 | * @return void |
| 135 | */ |
| 136 | function register_widget_types() { |
| 137 | if ( ! function_exists( 'jpa_get_registered_widget_modules' ) ) { |
| 138 | return; |
| 139 | } |
| 140 | |
| 141 | $registry = Widget_Type_Registry::get_instance(); |
| 142 | |
| 143 | // Generated by wp-build into build/widgets.php, outside Phan's analysis scope. |
| 144 | // The function_exists() guard above protects the call at runtime. |
| 145 | $jetpack_widget_modules = jpa_get_registered_widget_modules(); |
| 146 | |
| 147 | /** |
| 148 | * Filters the widget type candidates before they are registered. |
| 149 | * |
| 150 | * A dropped candidate is never registered, so it is gone from the REST list, |
| 151 | * the import map, and any registry reader. Use for hard availability; for |
| 152 | * soft state that must stay visible (e.g. shown locked), filter on read via |
| 153 | * WIDGET_TYPES_FILTER. |
| 154 | * |
| 155 | * @param array $jetpack_widget_modules Manifest candidates, each with a `name`. |
| 156 | */ |
| 157 | $jetpack_widget_modules = apply_filters( REGISTRABLE_WIDGET_TYPES_FILTER, $jetpack_widget_modules ); |
| 158 | |
| 159 | foreach ( $jetpack_widget_modules as $widget ) { |
| 160 | if ( empty( $widget['name'] ) || $registry->is_registered( $widget['name'] ) ) { |
| 161 | continue; |
| 162 | } |
| 163 | |
| 164 | $widget = translate_widget_metadata( $widget ); |
| 165 | |
| 166 | $registry->register( |
| 167 | $widget['name'], |
| 168 | array( |
| 169 | 'render_module' => $widget['render_module'] ?? null, |
| 170 | 'widget_module' => $widget['widget_module'] ?? null, |
| 171 | 'presentation' => $widget['presentation'] ?? null, |
| 172 | 'category' => $widget['category'] ?? null, |
| 173 | 'title' => $widget['title'] ?? null, |
| 174 | 'description' => $widget['description'] ?? null, |
| 175 | 'help' => sanitize_widget_help( $widget['help'] ?? null ), |
| 176 | 'keywords' => $widget['keywords'] ?? null, |
| 177 | ) |
| 178 | ); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Hydrates the registry now if init has run, otherwise on init. |
| 184 | * |
| 185 | * Call after the availability filters are hooked, so the registry-time |
| 186 | * filter applies during hydration. |
| 187 | * |
| 188 | * @return void |
| 189 | */ |
| 190 | function bootstrap_widget_types() { |
| 191 | if ( did_action( 'init' ) ) { |
| 192 | register_widget_types(); |
| 193 | } else { |
| 194 | add_action( 'init', __NAMESPACE__ . '\\register_widget_types' ); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Returns the raw registry. For the client-facing set use |
| 200 | * get_available_widget_types(). |
| 201 | * |
| 202 | * @return Widget_Type[] Map of `$name => $widget_type`. |
| 203 | */ |
| 204 | function get_registered_widget_types() { |
| 205 | return Widget_Type_Registry::get_instance()->get_all_registered(); |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * Returns the registered widget types scoped through WIDGET_TYPES_FILTER. |
| 210 | * |
| 211 | * Use this, not get_registered_widget_types(), wherever widget types reach the |
| 212 | * client, so the REST list and import map share one policy. |
| 213 | * |
| 214 | * @return Widget_Type[] Map of `$name => Widget_Type`. |
| 215 | */ |
| 216 | function get_available_widget_types() { |
| 217 | /** |
| 218 | * Filters the widget types available to the dashboard this request. |
| 219 | * |
| 220 | * Removing an entry drops it from the REST list and the import map. The type |
| 221 | * stays registered, so use this (not the registry-time filter) when a |
| 222 | * consumer must still see it, e.g. to show it locked. |
| 223 | * |
| 224 | * @param Widget_Type[] $widget_types Map of `$name => Widget_Type`. |
| 225 | */ |
| 226 | return apply_filters( WIDGET_TYPES_FILTER, get_registered_widget_types() ); |
| 227 | } |