| 1 |
<?php |
| 2 |
/* |
| 3 |
Plugin Name: EasyFonts |
| 4 |
Plugin URI: |
| 5 |
Description: Automatically Host existing google fonts locally on your server |
| 6 |
Version: 1.1.0 |
| 7 |
Author: Uzair |
| 8 |
Author URI: https://easywpstuff.com |
| 9 |
License: GPL2 |
| 10 |
*/ |
| 11 |
|
| 12 |
// If this file is called directly, abort. |
| 13 |
if (!defined("WPINC")){ |
| 14 |
die; |
| 15 |
} |
| 16 |
|
| 17 |
require_once dirname(__FILE__) . '/lib/simple_html_dom.php'; |
| 18 |
|
| 19 |
include_once dirname(__FILE__) . '/inc/options.php'; |
| 20 |
|
| 21 |
include_once dirname(__FILE__) . '/inc/notices.php'; |
| 22 |
|
| 23 |
function get_base_url() { |
| 24 |
if (is_ssl()) { |
| 25 |
$base_url = set_url_scheme(wp_upload_dir()['baseurl'], 'https'); |
| 26 |
} else { |
| 27 |
$base_url = wp_upload_dir()['baseurl']; |
| 28 |
} |
| 29 |
return $base_url; |
| 30 |
} |
| 31 |
|
| 32 |
function get_basecss_url() { |
| 33 |
if (is_ssl()) { |
| 34 |
$basecss_url = set_url_scheme(wp_upload_dir()['baseurl'], 'https'); |
| 35 |
} else { |
| 36 |
$basecss_url = wp_upload_dir()['baseurl']; |
| 37 |
} |
| 38 |
return $basecss_url; |
| 39 |
} |
| 40 |
|
| 41 |
function wp_get_remote_css($decoded_url) { |
| 42 |
$backtrace = debug_backtrace(); |
| 43 |
$function_name = isset($backtrace[1]['function']) ? $backtrace[1]['function'] : ''; |
| 44 |
|
| 45 |
$response = wp_remote_get($decoded_url, array('user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3',)); |
| 46 |
|
| 47 |
if (is_wp_error($response)) { |
| 48 |
add_settings_error($function_name, 'http_error', $response->get_error_message(), 'error'); |
| 49 |
return false; |
| 50 |
} |
| 51 |
|
| 52 |
$getcss = wp_remote_retrieve_body($response); |
| 53 |
return $getcss; |
| 54 |
} |
| 55 |
|
| 56 |
function wp_get_remote_font($font_url) { |
| 57 |
$backtrace = debug_backtrace(); |
| 58 |
$function_name = isset($backtrace[1]['function']) ? $backtrace[1]['function'] : ''; |
| 59 |
$font_response = wp_remote_get($font_url, array('user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3',)); |
| 60 |
if (is_wp_error($font_response)) { |
| 61 |
add_settings_error($function_name, 'http_error', $font_response->get_error_message(), 'error'); |
| 62 |
return false; |
| 63 |
} |
| 64 |
$getfont_data = wp_remote_retrieve_body($font_response); |
| 65 |
return $getfont_data; |
| 66 |
} |
| 67 |
|
| 68 |
function easyfont_process_content_link_tag($content) { |
| 69 |
$html = hgfl_str_get_html($content, false, true, 'UTF-8', false, PHP_EOL, ' '); |
| 70 |
// Check if the 'easyfonts' directory exists and is writable |
| 71 |
$easyfonts_dir = wp_upload_dir() ['basedir'] . '/easyfonts'; |
| 72 |
if (!wp_mkdir_p($easyfonts_dir)) { |
| 73 |
return $content; |
| 74 |
} |
| 75 |
// Find all <link> tags with a rel attribute of 'stylesheet' and a href attribute that points to a Google Fonts stylesheet |
| 76 |
foreach ($html->find('link[rel=stylesheet][href*=fonts.googleapis.com]') as $link) { |
| 77 |
$url = $link->href; |
| 78 |
if(strpos($url,'//') === 0){ |
| 79 |
$url = 'https:'.$url; |
| 80 |
} |
| 81 |
$decoded_url = rawurldecode(htmlspecialchars_decode($url)); |
| 82 |
// Generate a local filename for the stylesheet |
| 83 |
$filename = hash('sha256', $decoded_url, false); |
| 84 |
$filename = substr($filename, 0, 10) . '.css'; |
| 85 |
if (!file_exists($easyfonts_dir . '/' . $filename)) { |
| 86 |
$css = wp_get_remote_css($decoded_url); |
| 87 |
if (!preg_match_all('/@font-face\s*\{([^}]+)\}/', $css, $matches)) continue; |
| 88 |
|
| 89 |
if (preg_match_all('/@font-face\s*\{([^}]+)\}/', $css, $matches)) { |
| 90 |
foreach ($matches[1] as $match) { |
| 91 |
if (preg_match_all('/src\s*:\s*([^;]+);/', $match, $srcs)) { |
| 92 |
foreach ($srcs[1] as $src) { |
| 93 |
if (preg_match('/url\(([^)]+)\)/', $src, $url_match)) { |
| 94 |
$font_url = trim($url_match[1], "'\""); |
| 95 |
$font_filename = hash('sha256', $font_url, false); |
| 96 |
$font_filename = substr($font_filename, 0, 10) . '.' . pathinfo($font_url, PATHINFO_EXTENSION); |
| 97 |
if (!file_exists($easyfonts_dir . '/' . $font_filename)) { |
| 98 |
$font_data = wp_get_remote_font($font_url); |
| 99 |
// Save the font file to the 'wp-content/uploads/easyfonts' directory |
| 100 |
file_put_contents($easyfonts_dir . '/' . $font_filename, $font_data); |
| 101 |
} |
| 102 |
// Replace the src property with a local reference to the downloaded font file |
| 103 |
$finalbase = get_base_url(); |
| 104 |
$css = str_replace($src, "url('" . $finalbase . "/easyfonts/" . $font_filename . "')", $css); |
| 105 |
} |
| 106 |
} |
| 107 |
} |
| 108 |
} |
| 109 |
} |
| 110 |
// Save the modified stylesheet to the 'wp-content/uploads/easyfonts' directory |
| 111 |
file_put_contents($easyfonts_dir . '/' . $filename, $css); |
| 112 |
} |
| 113 |
$finalbasecss = get_basecss_url(); |
| 114 |
// Replace the href attribute with a local reference to the downloaded stylesheet |
| 115 |
$link->href = $finalbasecss . '/easyfonts/' . $filename; |
| 116 |
} |
| 117 |
// Return the modified content |
| 118 |
return $html->save(); |
| 119 |
} |
| 120 |
|
| 121 |
function easyfont_process_content_import($content) { |
| 122 |
// using simple html dom |
| 123 |
$html = hgfl_str_get_html($content, false, true, 'UTF-8', false, PHP_EOL, ' '); |
| 124 |
// Check if the 'easyfonts' directory exists and is writable |
| 125 |
$easyfonts_dir = wp_upload_dir() ['basedir'] . '/easyfonts'; |
| 126 |
if (!wp_mkdir_p($easyfonts_dir)) { |
| 127 |
return $content; |
| 128 |
} |
| 129 |
// Find all <style> tags with @import statements that import a Google Fonts stylesheet |
| 130 |
foreach ($html->find('style') as $style) { |
| 131 |
if (preg_match_all('/@import\s+(url\()?\s*([^\)]+)\s*(\))?/', $style->innertext, $matches)) { |
| 132 |
foreach ($matches[2] as $match) { |
| 133 |
if (strpos($match, 'fonts.googleapis.com') !== false) { |
| 134 |
$url = trim($match, "'\""); |
| 135 |
if (strpos($url, '//') === 0) { |
| 136 |
$url = 'https:' . $url; |
| 137 |
} |
| 138 |
$decoded_url = rawurldecode(htmlspecialchars_decode($url)); |
| 139 |
$filename = hash('sha256', $decoded_url, false); |
| 140 |
$filename = substr($filename, 0, 10) . '.css'; |
| 141 |
// Check if the stylesheet file already exists |
| 142 |
if (!file_exists($easyfonts_dir . '/' . $filename)) { |
| 143 |
$css = wp_get_remote_css($decoded_url); |
| 144 |
if (preg_match_all('/@font-face\s*\{([^}]+)\}/', $css, $matches)) { |
| 145 |
foreach ($matches[1] as $match) { |
| 146 |
if (preg_match_all('/src\s*:\s*([^;]+);/', $match, $srcs)) { |
| 147 |
foreach ($srcs[1] as $src) { |
| 148 |
if (preg_match('/url\(([^)]+)\)/', $src, $url_match)) { |
| 149 |
$font_url = trim($url_match[1], "'\""); |
| 150 |
$font_filename = hash('sha256', $font_url, false); |
| 151 |
$font_filename = substr($font_filename, 0, 10) . '.' . pathinfo($font_url, PATHINFO_EXTENSION); |
| 152 |
// Check if the font file already exists |
| 153 |
if (!file_exists($easyfonts_dir . '/' . $font_filename)) { |
| 154 |
|
| 155 |
$font_data = wp_get_remote_font($font_url); |
| 156 |
$file = fopen($easyfonts_dir . '/' . $font_filename, 'w'); |
| 157 |
fwrite($file, $font_data); |
| 158 |
fclose($file); |
| 159 |
} |
| 160 |
$finalbase = get_base_url(); |
| 161 |
$css = str_replace($src, "url('" . $finalbase . "/easyfonts/" . $font_filename . "')", $css); |
| 162 |
} |
| 163 |
} |
| 164 |
} |
| 165 |
} |
| 166 |
} |
| 167 |
// Save the modified stylesheet to the 'wp-content/uploads/easyfonts' directory |
| 168 |
file_put_contents($easyfonts_dir . '/' . $filename, $css); |
| 169 |
} |
| 170 |
$finalbasecss = get_basecss_url(); |
| 171 |
// Replace the @import statement with a local reference to the downloaded stylesheet |
| 172 |
$style->innertext = str_replace($match, "" . $finalbasecss . '/easyfonts/' . $filename . "", $style->innertext); |
| 173 |
} |
| 174 |
} |
| 175 |
} |
| 176 |
} |
| 177 |
// Return the modified content |
| 178 |
return $html->save(); |
| 179 |
} |
| 180 |
function easyfonts_remove_resource_hints($html) { |
| 181 |
// Load the HTML into the Simple HTML DOM library |
| 182 |
$dom = hgfl_str_get_html($html, false, true, 'UTF-8', false, PHP_EOL, ' '); |
| 183 |
|
| 184 |
// Find all <link> elements with the preload, preconnect, or prefetch attributes |
| 185 |
$links = $dom->find('link[rel=preload],link[rel=preconnect],link[rel=dns-prefetch]'); |
| 186 |
|
| 187 |
// Loop through the <link> elements |
| 188 |
foreach($links as $link) { |
| 189 |
// Check if the <link> element has a href attribute with the fonts.googleapis.com or fonts.gstatic.com domain |
| 190 |
if (preg_match('/(https:\/\/|\/\/)(fonts\.googleapis\.com|fonts\.gstatic\.com)/', $link->href)) { |
| 191 |
// Remove the <link> element |
| 192 |
$link->outertext = ''; |
| 193 |
} |
| 194 |
} |
| 195 |
|
| 196 |
// Find all <style> elements |
| 197 |
$styles = $dom->find('style'); |
| 198 |
|
| 199 |
// Loop through the <style> elements |
| 200 |
foreach($styles as $style) { |
| 201 |
// Remove comments that contain the fonts.googleapis.com or fonts.gstatic.com domain |
| 202 |
if (strpos($style->innertext, 'fonts.googleapis.com') !== false || strpos($style->innertext, 'fonts.gstatic.com') !== false) { |
| 203 |
$style->innertext = preg_replace('#/\*(?:[^*]*(?:\*(?!/))*)*\*/#','',$style->innertext); |
| 204 |
} |
| 205 |
} |
| 206 |
// Return the modified HTML |
| 207 |
return $dom->save(); |
| 208 |
} |
| 209 |
|
| 210 |
|
| 211 |
function easyfont_remove_font_scripts($html) { |
| 212 |
// Load the HTML string into a Simple HTML DOM object |
| 213 |
$dom = hgfl_str_get_html($html, false, true, 'UTF-8', false, PHP_EOL, ' '); |
| 214 |
|
| 215 |
// Find all `script` elements |
| 216 |
$scripts = $dom->find('script'); |
| 217 |
foreach($scripts as $script) { |
| 218 |
// Check if the `script` element contains the `WebFontConfig` or `webfont.js` strings |
| 219 |
if(strpos($script->innertext, 'WebFontConfig') !== false || strpos($script->innertext, 'webfont.js') !== false) { |
| 220 |
// Remove the `script` element |
| 221 |
$script->outertext = ''; |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
// Return the modified HTML as a string |
| 226 |
return $dom->save(); |
| 227 |
} |
| 228 |
|
| 229 |
function easyfont_download_gstatic_fonts($content) { |
| 230 |
// Create the "easyfonts" directory if it doesn't exist |
| 231 |
$easyfonts_dir = wp_upload_dir()['basedir'] . '/easyfonts'; |
| 232 |
if (!wp_mkdir_p($easyfonts_dir)) { |
| 233 |
return $content; |
| 234 |
} |
| 235 |
$content = preg_replace('/(url\s?\(["\']?)\/\/(fonts\.gstatic\.com[^"\']+)/', '$1https://$2', $content); |
| 236 |
$html = hgfl_str_get_html($content, false, true, 'UTF-8', false, PHP_EOL, ' '); |
| 237 |
foreach ($html->find('style') as $style) { |
| 238 |
if (preg_match_all('/url\(([^)]+)\)/', $style->innertext, $matches)) { |
| 239 |
foreach ($matches[1] as $match) { |
| 240 |
$url = trim($match, "'\""); |
| 241 |
if(strpos($url,'//') === 0){ |
| 242 |
$url = 'https:'.$url; |
| 243 |
} |
| 244 |
if (strpos($url, 'fonts.gstatic.com') !== false) { |
| 245 |
$path_parts = pathinfo($url); |
| 246 |
$extension = isset($path_parts['extension'])?$path_parts['extension']:''; |
| 247 |
if (empty($extension)) { |
| 248 |
if(strpos($url,'/l/font') !== false){ |
| 249 |
$extension = 'svg'; |
| 250 |
}else{ |
| 251 |
$extension = 'woff2'; |
| 252 |
} |
| 253 |
} |
| 254 |
$filename = hash('sha256', $url, false); |
| 255 |
$filename = substr($filename, 0, 10) . '.' . $extension; |
| 256 |
// Check if the font file already exists |
| 257 |
if (!file_exists($easyfonts_dir . '/' . $filename)) { |
| 258 |
$font_data = wp_get_remote_font($url); |
| 259 |
$file = fopen($easyfonts_dir . '/' . $filename, 'w'); |
| 260 |
fwrite($file, $font_data); |
| 261 |
fclose($file); |
| 262 |
} |
| 263 |
$finalbase = get_base_url(); |
| 264 |
$local_url = $finalbase . '/easyfonts/' . $filename; |
| 265 |
$content = str_replace($url, $local_url, $content); |
| 266 |
} |
| 267 |
} |
| 268 |
} |
| 269 |
} |
| 270 |
return $content; |
| 271 |
} |
| 272 |
|
| 273 |
|
| 274 |
function easy_fonts_run_template_redirect() { |
| 275 |
|
| 276 |
if (get_option('easyfonts_host_google_fonts_locally_link', false)) { |
| 277 |
ob_start( 'easyfont_process_content_link_tag',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 278 |
} |
| 279 |
if (get_option('easyfonts_host_google_fonts_locally_import', false)) { |
| 280 |
ob_start( 'easyfont_process_content_import',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 281 |
} |
| 282 |
|
| 283 |
if (get_option('easyfonts_remove_inline_css_fontface', false)) { |
| 284 |
ob_start( 'easyfont_download_gstatic_fonts',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 285 |
} |
| 286 |
|
| 287 |
if (get_option('easyfonts_remove_resource_hints', false)) { |
| 288 |
ob_start( 'easyfonts_remove_resource_hints',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 289 |
} |
| 290 |
|
| 291 |
if (get_option('easyfonts_remove_inline_script_font', false)) { |
| 292 |
ob_start( 'easyfont_remove_font_scripts',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 293 |
} |
| 294 |
//ob_start( 'download_gstatic_fonts',0, PHP_OUTPUT_HANDLER_REMOVABLE ); |
| 295 |
|
| 296 |
|
| 297 |
} |
| 298 |
add_action( 'template_redirect', 'easy_fonts_run_template_redirect', 999 ); |
| 299 |
|
| 300 |
|
| 301 |
add_filter( 'wordpress_prepare_output', 'easyfont_run_after_smart_slider', 11 ); |
| 302 |
|
| 303 |
add_filter('groovy_menu_final_output', 'easyfont_run_after_smart_slider', 11); |
| 304 |
|
| 305 |
function easyfont_run_after_smart_slider( $buffer ) { |
| 306 |
if (get_option('easyfonts_host_google_fonts_locally_link', false)) { |
| 307 |
$buffer = easyfont_process_content_link_tag( $buffer ); |
| 308 |
} |
| 309 |
return $buffer; |
| 310 |
} |
| 311 |
|
| 312 |
function easyfonts_enqueue_options_styles() { |
| 313 |
if ( 'settings_page_easyfonts' == get_current_screen()->id ) { |
| 314 |
wp_enqueue_style( 'easyfonts-options-styles', plugin_dir_url( __FILE__ ) . 'assets/style.css', array(), '1.0.0' ); |
| 315 |
} |
| 316 |
} |
| 317 |
add_action( 'admin_enqueue_scripts', 'easyfonts_enqueue_options_styles' ); |
| 318 |
|
| 319 |
function easyfonts_settings_link($links) { |
| 320 |
$settings_link = '<a href="options-general.php?page=easyfonts">Settings</a>'; |
| 321 |
array_push($links, $settings_link); |
| 322 |
return $links; |
| 323 |
} |
| 324 |
add_filter("plugin_action_links_easyfonts/easyfonts.php", "easyfonts_settings_link"); |
