/home/edulekha/sriramaaresorts.com/wp-content/plugins/adminify/Inc/Classes/GoogleFontsLocal.php
<?php
namespace WPAdminify\Inc\Classes;
// no direct access allowed
if (!defined('ABSPATH')) {
exit;
}
/**
* Google Fonts Local
*
* Downloads Google Fonts locally and serves them from wp-content/uploads/adminify-google-fonts/
*
* @since 4.0.0
*/
class GoogleFontsLocal
{
/**
* Singleton instance
*/
private static $instance = null;
/**
* User agent for fetching woff2 fonts
*/
private $user_agent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36';
/**
* Base folder name for storing fonts
*/
private $folder_name = 'adminify-google-fonts';
/**
* Get singleton instance
*/
public static function get_instance()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor
*/
private function __construct()
{
// Hook into framework's save filter (most reliable)
add_filter('adminify__wpadminify_saved_before', [$this, 'on_settings_save'], 10, 1);
// Enqueue local fonts
add_action('admin_enqueue_scripts', [$this, 'enqueue_local_fonts'], 99);
}
/**
* Handle settings save via framework filter
*/
public function on_settings_save($data)
{
$this->process_fonts($data);
return $data;
}
/**
* Process fonts from settings data
*/
public function process_fonts($data)
{
if (!is_array($data)) {
return;
}
// Process Body Font
if (!empty($data['admin_general_google_font']['font-family'])) {
$font_family = $data['admin_general_google_font']['font-family'];
$font_weights = !empty($data['admin_general_google_font']['font-weight']) ? $data['admin_general_google_font']['font-weight'] : '400';
$result = $this->download_font($font_family, $font_weights);
}
// Process Light Mode Logo Typography
if (!empty($data['light_dark_mode']['admin_ui_light_mode']['admin_ui_light_logo_text_typo']['font-family'])) {
$typo = $data['light_dark_mode']['admin_ui_light_mode']['admin_ui_light_logo_text_typo'];
$font_family = $typo['font-family'];
$font_weights = !empty($typo['font-weight']) ? $typo['font-weight'] : '400';
$this->download_font($font_family, $font_weights);
}
// Process Dark Mode Logo Typography
if (!empty($data['light_dark_mode']['admin_ui_dark_mode']['admin_ui_dark_logo_text_typo']['font-family'])) {
$typo = $data['light_dark_mode']['admin_ui_dark_mode']['admin_ui_dark_logo_text_typo'];
$font_family = $typo['font-family'];
$font_weights = !empty($typo['font-weight']) ? $typo['font-weight'] : '400';
$this->download_font($font_family, $font_weights);
}
}
/**
* Get the local fonts folder path
*/
public function get_folder()
{
$upload_dir = wp_get_upload_dir();
return $upload_dir['basedir'] . '/' . $this->folder_name;
}
/**
* Get the local fonts folder URL
*/
public function get_folder_url()
{
$upload_dir = wp_get_upload_dir();
$folder_url = $upload_dir['baseurl'] . '/' . $this->folder_name;
if (is_ssl()) {
$folder_url = set_url_scheme($folder_url, 'https');
}
return $folder_url;
}
/**
* Download a Google Font locally
*/
public function download_font($font_family, $font_weights = '400')
{
if (empty($font_family)) {
return false;
}
// Sanitize font family for folder name
$font_slug = sanitize_title($font_family);
$folder = $this->get_folder() . '/' . $font_slug;
// Create base folder
if (!file_exists($this->get_folder())) {
wp_mkdir_p($this->get_folder());
}
// Create font folder
if (!file_exists($folder)) {
wp_mkdir_p($folder);
}
// Normalize font weights - convert 'normal' to '400', 'bold' to '700'
$weight_map = [
'normal' => '400',
'bold' => '700',
'lighter' => '300',
'bolder' => '700',
];
if (is_array($font_weights)) {
$font_weights = array_map(function($w) use ($weight_map) {
return isset($weight_map[$w]) ? $weight_map[$w] : $w;
}, $font_weights);
$weights_string = implode(',', $font_weights);
$weights_array = $font_weights;
} else {
$font_weights = isset($weight_map[$font_weights]) ? $weight_map[$font_weights] : $font_weights;
$weights_string = $font_weights;
$weights_array = [$font_weights];
}
// Try the newer css2 API first
$font_string = urlencode($font_family);
$wght_string = implode(';', $weights_array);
$google_url = 'https://fonts.googleapis.com/css2?family=' . $font_string . ':wght@' . $wght_string . '&display=swap';
// Fetch CSS from Google
$response = wp_remote_get($google_url, [
'user-agent' => $this->user_agent,
'timeout' => 30,
]);
$css_content = '';
if (!is_wp_error($response)) {
$css_content = wp_remote_retrieve_body($response);
}
// Fallback: Use the older Google Fonts API (css) which is more forgiving
if (empty($css_content) || strpos($css_content, '@font-face') === false) {
$font_string = urlencode($font_family);
if (!empty($weights_string)) {
$font_string .= ':' . $weights_string;
}
$google_url = 'https://fonts.googleapis.com/css?family=' . $font_string . '&display=swap';
// Fetch CSS from Google using older API
$response = wp_remote_get($google_url, [
'user-agent' => $this->user_agent,
'timeout' => 30,
]);
if (!is_wp_error($response)) {
$css_content = wp_remote_retrieve_body($response);
}
}
// Final fallback: Generate system font fallback CSS if Google Font not found
if (empty($css_content) || strpos($css_content, '@font-face') === false) {
$css_content = $this->generate_system_font_fallback($font_family, $weights_array);
}
// Find all font file URLs
preg_match_all('/url\(([^)]+)\)/i', $css_content, $matches);
if (!empty($matches[1])) {
foreach ($matches[1] as $font_url) {
$font_url = trim($font_url, '"\'');
// Only process Google font URLs
if (strpos($font_url, 'fonts.gstatic.com') === false) {
continue;
}
// Generate local filename
$url_hash = substr(md5($font_url), 0, 8);
$extension = pathinfo(parse_url($font_url, PHP_URL_PATH), PATHINFO_EXTENSION);
if (empty($extension)) {
$extension = 'woff2';
}
$local_filename = $font_slug . '-' . $url_hash . '.' . $extension;
$local_path = $folder . '/' . $local_filename;
$local_url = $this->get_folder_url() . '/' . $font_slug . '/' . $local_filename;
// Download font file if not exists
if (!file_exists($local_path)) {
$font_response = wp_remote_get($font_url, [
'user-agent' => $this->user_agent,
'timeout' => 30,
]);
if (!is_wp_error($font_response)) {
$font_data = wp_remote_retrieve_body($font_response);
if (!empty($font_data)) {
file_put_contents($local_path, $font_data);
}
}
}
// Replace URL in CSS
$css_content = str_replace($font_url, $local_url, $css_content);
}
}
// Save local CSS file
$css_file = $folder . '/' . $font_slug . '.css';
$header = "/* Local Google Font: {$font_family} */\n";
$header .= "/* Generated by WP Adminify - " . date('Y-m-d H:i:s') . " */\n\n";
file_put_contents($css_file, $header . $css_content);
return true;
}
/**
* Get local font CSS URL
*/
public function get_local_font_url($font_family)
{
if (empty($font_family)) {
return false;
}
$font_slug = sanitize_title($font_family);
$css_file = $this->get_folder() . '/' . $font_slug . '/' . $font_slug . '.css';
if (file_exists($css_file)) {
return $this->get_folder_url() . '/' . $font_slug . '/' . $font_slug . '.css?ver=' . filemtime($css_file);
}
return false;
}
/**
* Check if font exists locally
*/
public function is_font_local($font_family)
{
if (empty($font_family)) {
return false;
}
$font_slug = sanitize_title($font_family);
$css_file = $this->get_folder() . '/' . $font_slug . '/' . $font_slug . '.css';
return file_exists($css_file);
}
/**
* Enqueue local fonts for admin
*/
public function enqueue_local_fonts()
{
$options = get_option('_wpadminify');
if (empty($options) || !is_array($options)) {
return;
}
// Body Font
if (!empty($options['admin_general_google_font']['font-family'])) {
$font_family = $options['admin_general_google_font']['font-family'];
$local_url = $this->get_local_font_url($font_family);
if ($local_url) {
wp_enqueue_style('adminify-local-body-font', $local_url, [], null);
}
}
// Light Mode Logo Typography
if (!empty($options['light_dark_mode']['admin_ui_light_mode']['admin_ui_light_logo_text_typo']['font-family'])) {
$font_family = $options['light_dark_mode']['admin_ui_light_mode']['admin_ui_light_logo_text_typo']['font-family'];
$local_url = $this->get_local_font_url($font_family);
if ($local_url) {
wp_enqueue_style('adminify-local-logo-light-font', $local_url, [], null);
}
}
// Dark Mode Logo Typography
if (!empty($options['light_dark_mode']['admin_ui_dark_mode']['admin_ui_dark_logo_text_typo']['font-family'])) {
$font_family = $options['light_dark_mode']['admin_ui_dark_mode']['admin_ui_dark_logo_text_typo']['font-family'];
$local_url = $this->get_local_font_url($font_family);
if ($local_url) {
wp_enqueue_style('adminify-local-logo-dark-font', $local_url, [], null);
}
}
}
/**
* Generate system font fallback CSS when Google Font is not found
*/
private function generate_system_font_fallback($font_family, $weights_array)
{
// System fonts to try as local fallbacks
$system_fonts = [
'BlinkMacSystemFont',
'Segoe UI',
'Roboto',
'Helvetica Neue',
'Arial',
'sans-serif',
];
$css = "/* Fallback: Google Font '{$font_family}' not found */\n";
$css .= "/* Using system font stack as fallback */\n\n";
foreach ($weights_array as $weight) {
$local_src = [];
foreach ($system_fonts as $font) {
$local_src[] = "local('{$font}')";
}
$css .= "@font-face {\n";
$css .= " font-family: '{$font_family}';\n";
$css .= " font-style: normal;\n";
$css .= " font-weight: {$weight};\n";
$css .= " font-display: swap;\n";
$css .= " src: " . implode(",\n ", $local_src) . ";\n";
$css .= "}\n\n";
}
return $css;
}
}