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| 1 | <?php |
| 2 | /** |
| 3 | * Load the google fonts by the new Font Library. See pNEWy-hhx-p2. |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | if ( ! defined( 'ABSPATH' ) ) { |
| 9 | exit( 0 ); |
| 10 | } |
| 11 | |
| 12 | if ( ! class_exists( 'Jetpack_Google_Font_Face' ) ) { |
| 13 | /** |
| 14 | * Load Jetpack Google Font Face |
| 15 | */ |
| 16 | require_once __DIR__ . '/class-jetpack-google-font-face.php'; |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Gets the Google Fonts data |
| 21 | * |
| 22 | * @return array|null The collection data of the Google Fonts. |
| 23 | */ |
| 24 | function jetpack_get_google_fonts_data() { |
| 25 | /** |
| 26 | * Filters the Google Fonts data before the default retrieval process. |
| 27 | * |
| 28 | * This filter allows short-circuiting the default Google Fonts data retrieval process. |
| 29 | * Returning a non-null value from this filter will bypass the default retrieval |
| 30 | * and return the filtered value instead. |
| 31 | * |
| 32 | * @module google-fonts |
| 33 | * |
| 34 | * @since 13.7 |
| 35 | * |
| 36 | * @param null|array $pre The pre-filtered Google Fonts data, default null. |
| 37 | */ |
| 38 | $pre = apply_filters( 'pre_jetpack_get_google_fonts_data', null ); |
| 39 | if ( null !== $pre ) { |
| 40 | return $pre; |
| 41 | } |
| 42 | |
| 43 | $default_google_fonts_api_url = 'https://fonts.gstatic.com'; |
| 44 | $jetpack_google_fonts_collection_url = 'https://s0.wp.com/i/font-collections/jetpack-google-fonts.json'; |
| 45 | $cache_key = 'jetpack_google_fonts_' . md5( $jetpack_google_fonts_collection_url ); |
| 46 | $data = get_transient( $cache_key ); |
| 47 | if ( $data === false ) { |
| 48 | $response = wp_remote_get( $jetpack_google_fonts_collection_url ); |
| 49 | if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { |
| 50 | return null; |
| 51 | } |
| 52 | |
| 53 | $data = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 54 | if ( $data === null ) { |
| 55 | return null; |
| 56 | } |
| 57 | |
| 58 | set_transient( $cache_key, $data, DAY_IN_SECONDS ); |
| 59 | } |
| 60 | |
| 61 | // Replace the google fonts api url if the custom one is provided. |
| 62 | $custom_google_fonts_api_url = \esc_url( |
| 63 | /** |
| 64 | * Filters the Google Fonts API URL. |
| 65 | * |
| 66 | * @module google-fonts |
| 67 | * |
| 68 | * @since 12.8 |
| 69 | * |
| 70 | * @param string $url The Google Fonts API URL. |
| 71 | */ |
| 72 | apply_filters( 'jetpack_google_fonts_api_url', $default_google_fonts_api_url ) |
| 73 | ); |
| 74 | if ( $custom_google_fonts_api_url !== $default_google_fonts_api_url ) { |
| 75 | foreach ( $data['fontFamilies'] as &$font_family ) { |
| 76 | foreach ( $font_family['fontFace'] as &$font_face ) { |
| 77 | $font_face['src'] = str_replace( |
| 78 | $default_google_fonts_api_url, |
| 79 | $custom_google_fonts_api_url, |
| 80 | $font_face['src'] |
| 81 | ); |
| 82 | } |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | if ( is_array( $data ) && is_array( $data['fontFamilies'] ) ) { |
| 87 | return $data; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Gets the map of the available Google Fonts |
| 93 | * |
| 94 | * @param array $google_fonts_data The collection data of the Google Fonts. |
| 95 | * @return array The map of the the available Google Fonts. |
| 96 | */ |
| 97 | function jetpack_get_available_google_fonts_map( $google_fonts_data ) { |
| 98 | $jetpack_google_fonts_list = array_map( |
| 99 | function ( $font_family ) { |
| 100 | return $font_family['name']; |
| 101 | }, |
| 102 | $google_fonts_data['fontFamilies'] |
| 103 | ); |
| 104 | |
| 105 | /** |
| 106 | * Curated list of Google Fonts. |
| 107 | * |
| 108 | * @module google-fonts |
| 109 | * |
| 110 | * @since 10.8 |
| 111 | * |
| 112 | * @param array $fonts_to_register Array of Google Font names to register. |
| 113 | */ |
| 114 | $google_font_list = apply_filters( 'jetpack_google_fonts_list', $jetpack_google_fonts_list ); |
| 115 | $available_google_fonts_map = array(); |
| 116 | |
| 117 | foreach ( $google_font_list as $google_font ) { |
| 118 | $available_google_fonts_map[ $google_font ] = true; |
| 119 | } |
| 120 | |
| 121 | return $available_google_fonts_map; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Whether the request URL is a REST route. |
| 126 | * |
| 127 | * Theme JSON can resolve before REST_REQUEST is defined, and the Accept header also matches front-end requests. |
| 128 | * |
| 129 | * @since 16.3 |
| 130 | * |
| 131 | * @return bool |
| 132 | */ |
| 133 | function jetpack_google_fonts_is_rest_url() { |
| 134 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only used to classify the request. |
| 135 | if ( isset( $_GET['rest_route'] ) ) { |
| 136 | return true; |
| 137 | } |
| 138 | $path = (string) wp_parse_url( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '', PHP_URL_PATH ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Parsed for path comparison only. |
| 139 | return str_contains( $path, '/' . rest_get_url_prefix() . '/' ); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Whether catalogue faces are needed in theme JSON for an editor or API request. |
| 144 | * |
| 145 | * @since 16.3 |
| 146 | * |
| 147 | * @return bool |
| 148 | */ |
| 149 | function jetpack_google_fonts_load_font_faces() { |
| 150 | $load_font_faces = is_admin() |
| 151 | || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) |
| 152 | || jetpack_google_fonts_is_rest_url() |
| 153 | || ( defined( 'WP_CLI' ) && WP_CLI ); |
| 154 | |
| 155 | /** |
| 156 | * Filters whether catalogue font faces are loaded into theme JSON. |
| 157 | * |
| 158 | * When true, the catalogue's files reach theme JSON and the native font printer prints all of them. |
| 159 | * |
| 160 | * @module google-fonts |
| 161 | * |
| 162 | * @since 16.3 |
| 163 | * |
| 164 | * @param bool $load_font_faces Whether to load catalogue font faces. Default true for editor, API and CLI requests. |
| 165 | */ |
| 166 | return (bool) apply_filters( 'jetpack_google_fonts_load_font_faces', $load_font_faces ); |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Register google fonts to the theme json data |
| 171 | * |
| 172 | * @param WP_Theme_JSON_Data $theme_json The theme json data of core. |
| 173 | * @return WP_Theme_JSON_Data The theme json data with registered google fonts. |
| 174 | */ |
| 175 | function jetpack_register_google_fonts_to_theme_json( $theme_json ) { |
| 176 | $google_fonts_data = jetpack_get_google_fonts_data(); |
| 177 | if ( ! $google_fonts_data ) { |
| 178 | return $theme_json; |
| 179 | } |
| 180 | |
| 181 | $available_google_fonts_map = jetpack_get_available_google_fonts_map( $google_fonts_data ); |
| 182 | $google_fonts_families = array_values( |
| 183 | array_filter( |
| 184 | $google_fonts_data['fontFamilies'], |
| 185 | function ( $google_fonts_family ) use ( $available_google_fonts_map ) { |
| 186 | $name = $google_fonts_family['name']; |
| 187 | return $available_google_fonts_map[ $name ] ?? false; |
| 188 | } |
| 189 | ) |
| 190 | ); |
| 191 | |
| 192 | $raw_data = $theme_json->get_data(); |
| 193 | $origin = 'default'; |
| 194 | if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) { |
| 195 | $raw_data['settings']['typography']['fontFamilies'][ $origin ] = array(); |
| 196 | } |
| 197 | |
| 198 | $load_font_faces = jetpack_google_fonts_load_font_faces(); |
| 199 | foreach ( $google_fonts_families as $font_family ) { |
| 200 | if ( ! $load_font_faces ) { |
| 201 | unset( $font_family['fontFace'] ); |
| 202 | } |
| 203 | $raw_data['settings']['typography']['fontFamilies'][ $origin ][] = $font_family; |
| 204 | } |
| 205 | |
| 206 | $theme_json_class = get_class( $theme_json ); |
| 207 | return new $theme_json_class( $raw_data, $origin ); |
| 208 | } |
| 209 | |
| 210 | add_filter( 'wp_theme_json_data_default', 'jetpack_register_google_fonts_to_theme_json' ); |
| 211 | |
| 212 | /** |
| 213 | * Filter out the deprecated font families that are from the jetpack-google-fonts provider. |
| 214 | * |
| 215 | * @param array[] $font_families The font families. |
| 216 | * @return array[] The filtered font families. |
| 217 | */ |
| 218 | function jetpack_google_fonts_filter_out_deprecated_font_data( $font_families ) { |
| 219 | return array_values( |
| 220 | array_filter( |
| 221 | $font_families, |
| 222 | function ( $font_family ) { |
| 223 | $has_deprecated_google_fonts_data = false; |
| 224 | |
| 225 | if ( isset( $font_family['fontFace'] ) ) { |
| 226 | foreach ( $font_family['fontFace'] as $font_face ) { |
| 227 | $provider = $font_face['provider'] ?? ''; |
| 228 | if ( $provider === 'jetpack-google-fonts' ) { |
| 229 | $has_deprecated_google_fonts_data = true; |
| 230 | break; |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | return ! $has_deprecated_google_fonts_data; |
| 236 | } |
| 237 | ) |
| 238 | ); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Unregister the deprecated jetpack-google-fonts provider from theme json data that were stored |
| 243 | * before we moved to the Font Library. |
| 244 | * |
| 245 | * @param WP_Theme_JSON_Data $theme_json The theme json data. |
| 246 | * @return WP_Theme_JSON_Data The filtered theme json data. |
| 247 | */ |
| 248 | function jetpack_unregister_deprecated_google_fonts_from_theme_json_data( $theme_json ) { |
| 249 | $raw_data = $theme_json->get_data(); |
| 250 | $origin = 'theme'; |
| 251 | if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) { |
| 252 | return $theme_json; |
| 253 | } |
| 254 | |
| 255 | // Filter out the font definitions that are from the jetpack-google-fonts provider. |
| 256 | $raw_data['settings']['typography']['fontFamilies'][ $origin ] = jetpack_google_fonts_filter_out_deprecated_font_data( |
| 257 | $raw_data['settings']['typography']['fontFamilies'][ $origin ] |
| 258 | ); |
| 259 | |
| 260 | $theme_json_class = get_class( $theme_json ); |
| 261 | return new $theme_json_class( $raw_data, 'custom' ); |
| 262 | } |
| 263 | |
| 264 | add_filter( 'wp_theme_json_data_theme', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' ); |
| 265 | add_filter( 'wp_theme_json_data_user', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' ); |
| 266 | |
| 267 | /** |
| 268 | * Clean up the Google Fonts data if either google fonts module is disabled or Jetpack is disabled. |
| 269 | */ |
| 270 | function jetpack_unregister_google_fonts() { |
| 271 | $post_id = WP_Theme_JSON_Resolver::get_user_global_styles_post_id(); |
| 272 | |
| 273 | // Get user config |
| 274 | $user_config = WP_Theme_JSON_Resolver::get_user_data(); |
| 275 | $user_config_raw_data = $user_config->get_raw_data(); |
| 276 | $user_config_raw_data['isGlobalStylesUserThemeJSON'] = true; |
| 277 | |
| 278 | // Prepare data for saving |
| 279 | if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['default'] ) ) { |
| 280 | $user_config_raw_data['settings']['typography']['fontFamilies']['default'] = array(); |
| 281 | } |
| 282 | |
| 283 | if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['theme'] ) ) { |
| 284 | $user_config_raw_data['settings']['typography']['fontFamilies']['theme'] = jetpack_google_fonts_filter_out_deprecated_font_data( |
| 285 | $user_config_raw_data['settings']['typography']['fontFamilies']['theme'] // @phan-suppress-current-line PhanTypeInvalidDimOffset, PhanTypeMismatchArgument |
| 286 | ); |
| 287 | } |
| 288 | |
| 289 | // Prepare changes |
| 290 | $changes = new stdClass(); |
| 291 | $changes->ID = $post_id; |
| 292 | $changes->post_content = wp_json_encode( $user_config_raw_data, JSON_UNESCAPED_SLASHES ); |
| 293 | |
| 294 | // Update user config |
| 295 | wp_update_post( wp_slash( (array) $changes ), true ); |
| 296 | } |
| 297 | add_action( 'jetpack_deactivate_module_google-fonts', 'jetpack_unregister_google_fonts' ); |
| 298 | |
| 299 | // Print legacy catalogue faces separately from native theme and user fonts. |
| 300 | new Jetpack_Google_Font_Face(); |