| 1 |
<?php |
| 2 |
namespace ABlocks\Classes; |
| 3 |
|
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
class FontLoadLocally { |
| 9 |
|
| 10 |
const FONTS_FOLDER = 'ablocks-fonts'; |
| 11 |
|
| 12 |
/** |
| 13 |
* Process a list of fonts and weights |
| 14 |
* |
| 15 |
* @param array $fonts Example: ["Roboto" => ["400","700"]] |
| 16 |
*/ |
| 17 |
public function process_font_queue( $fonts ) { |
| 18 |
if ( ! is_array( $fonts ) || empty( $fonts ) ) { |
| 19 |
return; |
| 20 |
} |
| 21 |
foreach ( $fonts as $family => $weights ) { |
| 22 |
if ( ! is_array( $weights ) ) { |
| 23 |
continue; |
| 24 |
} |
| 25 |
|
| 26 |
// Only download missing weights |
| 27 |
$weights_to_download = []; |
| 28 |
foreach ( $weights as $weight ) { |
| 29 |
if ( ! $this->is_font_weight_available( $family, $weight ) ) { |
| 30 |
$weights_to_download[] = $weight; |
| 31 |
} |
| 32 |
} |
| 33 |
|
| 34 |
if ( ! empty( $weights_to_download ) ) { |
| 35 |
$this->download_font_family( $family, $weights_to_download ); |
| 36 |
} |
| 37 |
} |
| 38 |
} |
| 39 |
|
| 40 |
/** |
| 41 |
* Check if a specific font family and weight exists locally |
| 42 |
* |
| 43 |
* @param string $family |
| 44 |
* @param string $weight |
| 45 |
* @return bool |
| 46 |
*/ |
| 47 |
public function is_font_weight_available( $family, $weight ) { |
| 48 |
$upload_dir = wp_upload_dir(); |
| 49 |
$folder = trailingslashit( $upload_dir['basedir'] ) . self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
| 50 |
|
| 51 |
if ( ! is_dir( $folder ) ) { |
| 52 |
return false; |
| 53 |
} |
| 54 |
|
| 55 |
$weight_key = $weight === '400' || $weight === 'normal' ? '400' : $weight; |
| 56 |
$files = glob( $folder . '/' . $weight_key . '-*.woff2' ); |
| 57 |
|
| 58 |
return ! empty( $files ); |
| 59 |
} |
| 60 |
|
| 61 |
/** |
| 62 |
* Download a Google Font family via CSS2 API |
| 63 |
* |
| 64 |
* @param string $family |
| 65 |
* @param array $weights |
| 66 |
*/ |
| 67 |
public function download_font_family( $family, $weights ) { |
| 68 |
$upload_dir = wp_upload_dir(); |
| 69 |
$base_dir = trailingslashit( $upload_dir['basedir'] ) . self::FONTS_FOLDER; |
| 70 |
wp_mkdir_p( $base_dir ); |
| 71 |
|
| 72 |
$family_dir = $base_dir . '/' . $this->sanitize_family( $family ); |
| 73 |
wp_mkdir_p( $family_dir ); |
| 74 |
|
| 75 |
$css_url = $this->build_css_url( $family, $weights ); |
| 76 |
$woff2_list = $this->get_woff2_urls( $css_url ); |
| 77 |
|
| 78 |
foreach ( $woff2_list as $woff ) { |
| 79 |
$weight = $woff['weight']; |
| 80 |
$file_url = $woff['url']; |
| 81 |
// phpcs:ignore WordPress.WP.AlternativeFunctions.parse_url_parse_url |
| 82 |
$filename = $weight . '-' . basename( parse_url( $file_url, PHP_URL_PATH ) ); |
| 83 |
$filepath = $family_dir . '/' . $filename; |
| 84 |
|
| 85 |
if ( file_exists( $filepath ) ) { |
| 86 |
continue; |
| 87 |
} |
| 88 |
|
| 89 |
$response = wp_remote_get( $file_url, [ 'timeout' => 15 ] ); |
| 90 |
|
| 91 |
if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { |
| 92 |
if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { |
| 93 |
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
| 94 |
error_log( "Failed to download font file: {$file_url}" ); |
| 95 |
} |
| 96 |
continue; |
| 97 |
} |
| 98 |
|
| 99 |
file_put_contents( $filepath, wp_remote_retrieve_body( $response ) ); |
| 100 |
}//end foreach |
| 101 |
} |
| 102 |
|
| 103 |
/** |
| 104 |
* Build Google Fonts CSS2 API URL |
| 105 |
* |
| 106 |
* @param string $family |
| 107 |
* @param array $weights |
| 108 |
* @return string |
| 109 |
*/ |
| 110 |
public function build_css_url( $family, $weights ) { |
| 111 |
$family_encoded = str_replace( ' ', '+', $family ); |
| 112 |
|
| 113 |
// Remove duplicates & sort weights |
| 114 |
$weights = array_unique( array_map( 'strval', $weights ) ); |
| 115 |
sort( $weights ); |
| 116 |
|
| 117 |
// Correct Google Fonts format: wght@200;400;700;900 |
| 118 |
$weights_str = 'wght@' . implode( ';', $weights ); |
| 119 |
|
| 120 |
return "https://fonts.googleapis.com/css2?family={$family_encoded}:{$weights_str}&display=swap"; |
| 121 |
} |
| 122 |
|
| 123 |
|
| 124 |
/** |
| 125 |
* Extract .woff2 URLs and corresponding weight from Google Fonts CSS |
| 126 |
* |
| 127 |
* @param string $css_url |
| 128 |
* @return array [['weight'=>'400','url'=>'https://...'], ...] |
| 129 |
*/ |
| 130 |
public function get_woff2_urls( $css_url ) { |
| 131 |
$args = [ |
| 132 |
'timeout' => 15, |
| 133 |
'headers' => [ |
| 134 |
'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36' |
| 135 |
], |
| 136 |
]; |
| 137 |
|
| 138 |
$response = wp_remote_get( $css_url, $args ); |
| 139 |
|
| 140 |
if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { |
| 141 |
if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { |
| 142 |
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
| 143 |
error_log( 'Failed to fetch Google Fonts CSS: ' . $css_url ); |
| 144 |
} |
| 145 |
return []; |
| 146 |
} |
| 147 |
|
| 148 |
$css = wp_remote_retrieve_body( $response ); |
| 149 |
$matches = []; |
| 150 |
preg_match_all( |
| 151 |
'/@font-face\s*{[^}]*font-weight:\s*(\d+);[^}]*src:\s*url\(([^)]+\.woff2)\)/i', |
| 152 |
$css, |
| 153 |
$matches, |
| 154 |
PREG_SET_ORDER |
| 155 |
); |
| 156 |
|
| 157 |
$results = []; |
| 158 |
foreach ( $matches as $m ) { |
| 159 |
$results[] = [ |
| 160 |
'weight' => $m[1], |
| 161 |
'url' => $m[2], |
| 162 |
]; |
| 163 |
} |
| 164 |
|
| 165 |
return $results; |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Enqueue local fonts if available, otherwise enqueue Google Fonts |
| 170 |
* |
| 171 |
* @param array $fonts |
| 172 |
*/ |
| 173 |
public function enqueue_fonts( $fonts ) { |
| 174 |
if ( ! is_array( $fonts ) || empty( $fonts ) ) { |
| 175 |
return; |
| 176 |
} |
| 177 |
|
| 178 |
$upload_dir = wp_upload_dir(); |
| 179 |
$css = ''; |
| 180 |
|
| 181 |
$missing_fonts = []; // <-- Store missing fonts here |
| 182 |
|
| 183 |
foreach ( $fonts as $family => $weights ) { |
| 184 |
|
| 185 |
$local_available = true; |
| 186 |
|
| 187 |
// Check each requested weight |
| 188 |
foreach ( $weights as $weight ) { |
| 189 |
if ( ! $this->is_font_weight_available( $family, $weight ) ) { |
| 190 |
$local_available = false; |
| 191 |
|
| 192 |
// Store missing for Google Fonts fallback |
| 193 |
if ( ! isset( $missing_fonts[ $family ] ) ) { |
| 194 |
$missing_fonts[ $family ] = []; |
| 195 |
} |
| 196 |
$missing_fonts[ $family ][] = $weight; |
| 197 |
} |
| 198 |
} |
| 199 |
|
| 200 |
// If local font exists, register @font-face rules |
| 201 |
if ( $local_available ) { |
| 202 |
$folder = trailingslashit( $upload_dir['baseurl'] ) . |
| 203 |
self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
| 204 |
|
| 205 |
$files = glob( |
| 206 |
trailingslashit( $upload_dir['basedir'] ) . |
| 207 |
self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ) . '/*.woff2' |
| 208 |
); |
| 209 |
|
| 210 |
foreach ( $files as $file_path ) { |
| 211 |
$file_name = basename( $file_path ); |
| 212 |
|
| 213 |
if ( preg_match( '/^(\d+)-/', $file_name, $m ) ) { |
| 214 |
$font_weight = $m[1]; |
| 215 |
} else { |
| 216 |
$font_weight = '400'; |
| 217 |
} |
| 218 |
|
| 219 |
$css .= "@font-face { |
| 220 |
font-family: '{$family}'; |
| 221 |
font-style: normal; |
| 222 |
font-weight: {$font_weight}; |
| 223 |
font-display: swap; |
| 224 |
src: url('{$folder}/{$file_name}') format('woff2'); |
| 225 |
}"; |
| 226 |
} |
| 227 |
}//end if |
| 228 |
}//end foreach |
| 229 |
|
| 230 |
/** |
| 231 |
* 1. ENQUEUE LOCAL FONTS IF ANY FOUND |
| 232 |
*/ |
| 233 |
if ( ! empty( $css ) ) { |
| 234 |
wp_register_style( 'ablocks-local-fonts', false ); |
| 235 |
wp_enqueue_style( 'ablocks-local-fonts' ); |
| 236 |
wp_add_inline_style( 'ablocks-local-fonts', AssetsGenerator::minify_css( $css ) ); |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* 2. ENQUEUE ONLY MISSING GOOGLE FONTS |
| 241 |
*/ |
| 242 |
if ( ! empty( $missing_fonts ) ) { |
| 243 |
$family_strings = []; |
| 244 |
|
| 245 |
foreach ( $missing_fonts as $family => $weights ) { |
| 246 |
|
| 247 |
// sanitize weights |
| 248 |
$weights = array_unique( array_map( 'strval', $weights ) ); |
| 249 |
sort( $weights ); |
| 250 |
|
| 251 |
$family_encoded = str_replace( ' ', '+', $family ); |
| 252 |
$family_strings[] = "{$family_encoded}:wght@" . implode( ';', $weights ); |
| 253 |
} |
| 254 |
|
| 255 |
$google_url = 'https://fonts.googleapis.com/css2?family=' . |
| 256 |
implode( '&family=', $family_strings ) . '&display=swap'; |
| 257 |
|
| 258 |
wp_enqueue_style( 'ablocks-google-fonts', esc_url( $google_url ), [], null ); |
| 259 |
} |
| 260 |
} |
| 261 |
|
| 262 |
|
| 263 |
/** |
| 264 |
* Return locally-available @font-face descriptors for a family. |
| 265 |
* |
| 266 |
* @param string $family |
| 267 |
* @param array $weights Requested weights. |
| 268 |
* @return array [ [ 'weight' => '400', 'src' => 'https://.../400-xxx.woff2' ], ... ] |
| 269 |
*/ |
| 270 |
public function get_local_font_faces( $family, $weights = [] ) { |
| 271 |
$upload_dir = wp_upload_dir(); |
| 272 |
$dir = trailingslashit( $upload_dir['basedir'] ) . self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
| 273 |
$url_base = trailingslashit( $upload_dir['baseurl'] ) . self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
| 274 |
|
| 275 |
if ( ! is_dir( $dir ) ) { |
| 276 |
return []; |
| 277 |
} |
| 278 |
|
| 279 |
$faces = []; |
| 280 |
foreach ( (array) glob( $dir . '/*.woff2' ) as $file_path ) { |
| 281 |
$file_name = basename( $file_path ); |
| 282 |
$font_weight = preg_match( '/^(\d+)-/', $file_name, $m ) ? $m[1] : '400'; |
| 283 |
|
| 284 |
// If specific weights were requested, only include those. |
| 285 |
if ( ! empty( $weights ) && ! in_array( (string) $font_weight, array_map( 'strval', $weights ), true ) ) { |
| 286 |
continue; |
| 287 |
} |
| 288 |
|
| 289 |
$faces[] = [ |
| 290 |
'weight' => (string) $font_weight, |
| 291 |
'src' => $url_base . '/' . $file_name, |
| 292 |
]; |
| 293 |
} |
| 294 |
|
| 295 |
return $faces; |
| 296 |
} |
| 297 |
|
| 298 |
/** |
| 299 |
* From a [family => weights] map, return the subset not available locally. |
| 300 |
* |
| 301 |
* @param array $fonts |
| 302 |
* @return array [family => [missing weights]] |
| 303 |
*/ |
| 304 |
public function get_missing( $fonts ) { |
| 305 |
$missing = []; |
| 306 |
if ( ! is_array( $fonts ) ) { |
| 307 |
return $missing; |
| 308 |
} |
| 309 |
foreach ( $fonts as $family => $weights ) { |
| 310 |
foreach ( (array) $weights as $weight ) { |
| 311 |
if ( ! $this->is_font_weight_available( $family, $weight ) ) { |
| 312 |
$missing[ $family ][] = (string) $weight; |
| 313 |
} |
| 314 |
} |
| 315 |
} |
| 316 |
return $missing; |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Sanitize font family for folder names |
| 321 |
* |
| 322 |
* @param string $family |
| 323 |
* @return string |
| 324 |
*/ |
| 325 |
public function sanitize_family( $family ) { |
| 326 |
return str_replace( ' ', '-', strtolower( $family ) ); |
| 327 |
} |
| 328 |
} |
| 329 |
|
