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<?php
/**
* Load the google fonts by the new Font Library. See pNEWy-hhx-p2.
*
* @package automattic/jetpack
*/
if ( ! class_exists( 'Jetpack_Google_Font_Face' ) ) {
/**
* Load Jetpack Google Font Face
*/
require_once __DIR__ . '/class-jetpack-google-font-face.php';
}
/**
* Gets the Google Fonts data
*
* @return object[] The collection data of the Google Fonts.
*/
function jetpack_get_google_fonts_data() {
/**
* Filters the Google Fonts data before the default retrieval process.
*
* This filter allows short-circuiting the default Google Fonts data retrieval process.
* Returning a non-null value from this filter will bypass the default retrieval
* and return the filtered value instead.
*
* @module google-fonts
*
* @since 13.7
*
* @param null|array $pre The pre-filtered Google Fonts data, default null.
*/
$pre = apply_filters( 'pre_jetpack_get_google_fonts_data', null );
if ( null !== $pre ) {
return $pre;
}
$default_google_fonts_api_url = 'https://fonts.gstatic.com';
$jetpack_google_fonts_collection_url = 'https://s0.wp.com/i/font-collections/jetpack-google-fonts.json';
$cache_key = 'jetpack_google_fonts_' . md5( $jetpack_google_fonts_collection_url );
$data = get_transient( $cache_key );
if ( $data === false ) {
$response = wp_remote_get( $jetpack_google_fonts_collection_url );
if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) {
return null;
}
$data = json_decode( wp_remote_retrieve_body( $response ), true );
if ( $data === null ) {
return null;
}
set_transient( $cache_key, $data, DAY_IN_SECONDS );
}
// Replace the google fonts api url if the custom one is provided.
$custom_google_fonts_api_url = \esc_url(
/**
* Filters the Google Fonts API URL.
*
* @module google-fonts
*
* @since 12.8
*
* @param string $url The Google Fonts API URL.
*/
apply_filters( 'jetpack_google_fonts_api_url', $default_google_fonts_api_url )
);
if ( $custom_google_fonts_api_url !== $default_google_fonts_api_url ) {
foreach ( $data['fontFamilies'] as &$font_family ) {
foreach ( $font_family['fontFace'] as &$font_face ) {
$font_face['src'] = str_replace(
$default_google_fonts_api_url,
$custom_google_fonts_api_url,
$font_face['src']
);
}
}
}
if ( is_array( $data ) && is_array( $data['fontFamilies'] ) ) {
return $data;
}
}
/**
* Gets the map of the available Google Fonts
*
* @param object[] $google_fonts_data The collection data of the Google Fonts.
* @return object[] The map of the the available Google Fonts.
*/
function jetpack_get_available_google_fonts_map( $google_fonts_data ) {
$jetpack_google_fonts_list = array_map(
function ( $font_family ) {
return $font_family['name'];
},
$google_fonts_data['fontFamilies']
);
/**
* Curated list of Google Fonts.
*
* @module google-fonts
*
* @since 10.8
*
* @param array $fonts_to_register Array of Google Font names to register.
*/
$google_font_list = apply_filters( 'jetpack_google_fonts_list', $jetpack_google_fonts_list );
$available_google_fonts_map = array();
foreach ( $google_font_list as $google_font ) {
$available_google_fonts_map[ $google_font ] = true;
}
return $available_google_fonts_map;
}
/**
* Register google fonts to the theme json data
*
* @param WP_Theme_JSON_Data $theme_json The theme json data of core.
* @return WP_Theme_JSON_Data The theme json data with registered google fonts.
*/
function jetpack_register_google_fonts_to_theme_json( $theme_json ) {
$google_fonts_data = jetpack_get_google_fonts_data();
if ( ! $google_fonts_data ) {
return $theme_json;
}
$available_google_fonts_map = jetpack_get_available_google_fonts_map( $google_fonts_data );
$google_fonts_families = array_values(
array_filter(
$google_fonts_data['fontFamilies'],
function ( $google_fonts_family ) use ( $available_google_fonts_map ) {
$name = $google_fonts_family['name'];
return $available_google_fonts_map[ $name ] ?? false;
}
)
);
$raw_data = $theme_json->get_data();
$origin = 'default';
if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) {
$raw_data['settings']['typography']['fontFamilies'][ $origin ] = array();
}
foreach ( $google_fonts_families as $font_family ) {
$raw_data['settings']['typography']['fontFamilies'][ $origin ][] = $font_family;
}
$theme_json_class = get_class( $theme_json );
return new $theme_json_class( $raw_data, $origin );
}
add_filter( 'wp_theme_json_data_default', 'jetpack_register_google_fonts_to_theme_json' );
/**
* Filter out the deprecated font families that are from the jetpack-google-fonts provider.
*
* @param object[] $font_families The font families.
* @return object[] The filtered font families.
*/
function jetpack_google_fonts_filter_out_deprecated_font_data( $font_families ) {
return array_values(
array_filter(
$font_families,
function ( $font_family ) {
$has_deprecated_google_fonts_data = false;
if ( isset( $font_family['fontFace'] ) ) {
foreach ( $font_family['fontFace'] as $font_face ) {
$provider = $font_face['provider'] ?? '';
if ( $provider === 'jetpack-google-fonts' ) {
$has_deprecated_google_fonts_data = true;
break;
}
}
}
return ! $has_deprecated_google_fonts_data;
}
)
);
}
/**
* Unregister the deprecated jetpack-google-fonts provider from theme json data that were stored
* before we moved to the Font Library.
*
* @param WP_Theme_JSON_Data $theme_json The theme json data.
* @return WP_Theme_JSON_Data The filtered theme json data.
*/
function jetpack_unregister_deprecated_google_fonts_from_theme_json_data( $theme_json ) {
$raw_data = $theme_json->get_data();
$origin = 'theme';
if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) {
return $theme_json;
}
// Filter out the font definitions that are from the jetpack-google-fonts provider.
$raw_data['settings']['typography']['fontFamilies'][ $origin ] = jetpack_google_fonts_filter_out_deprecated_font_data(
$raw_data['settings']['typography']['fontFamilies'][ $origin ]
);
$theme_json_class = get_class( $theme_json );
return new $theme_json_class( $raw_data, 'custom' );
}
add_filter( 'wp_theme_json_data_theme', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' );
add_filter( 'wp_theme_json_data_user', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' );
/**
* Clean up the Google Fonts data if either google fonts module is disabled or Jetpack is disabled.
*/
function jetpack_unregister_google_fonts() {
$post_id = WP_Theme_JSON_Resolver::get_user_global_styles_post_id();
// Get user config
$user_config = WP_Theme_JSON_Resolver::get_user_data();
$user_config_raw_data = $user_config->get_raw_data();
$user_config_raw_data['isGlobalStylesUserThemeJSON'] = true;
// Prepare data for saving
if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['default'] ) ) {
$user_config_raw_data['settings']['typography']['fontFamilies']['default'] = array();
}
if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['theme'] ) ) {
$user_config_raw_data['settings']['typography']['fontFamilies']['theme'] = jetpack_google_fonts_filter_out_deprecated_font_data(
$user_config_raw_data['settings']['typography']['fontFamilies']['theme'] // @phan-suppress-current-line PhanTypeInvalidDimOffset, PhanTypeMismatchArgument
);
}
// Prepare changes
$changes = new stdClass();
$changes->ID = $post_id;
$changes->post_content = wp_json_encode( $user_config_raw_data );
// Update user config
wp_update_post( wp_slash( (array) $changes ), true );
}
add_action( 'jetpack_deactivate_module_google-fonts', 'jetpack_unregister_google_fonts' );
// Initialize Jetpack Google Font Face to avoid printing **ALL** google fonts provided by this module.
// See p1700040028362329-slack-C4GAQ900P and p7DVsv-jib-p2
new Jetpack_Google_Font_Face();