| 1 |
<?php |
| 2 |
/** |
| 3 |
* Stats Image cache class. |
| 4 |
* |
| 5 |
* @package Activitypub |
| 6 |
* @since 8.1.0 |
| 7 |
*/ |
| 8 |
|
| 9 |
namespace Activitypub\Cache; |
| 10 |
|
| 11 |
use Activitypub\Collection\Actors; |
| 12 |
use Activitypub\Model\Application; |
| 13 |
use Activitypub\Model\Blog; |
| 14 |
use Activitypub\Statistics; |
| 15 |
|
| 16 |
/** |
| 17 |
* Stats Image cache class. |
| 18 |
* |
| 19 |
* Generates, caches, and serves shareable stats images. |
| 20 |
* Extends the File cache base class for storage, optimization, and cleanup. |
| 21 |
* Images are stored in /wp-content/uploads/activitypub/stats/{user_id}/ |
| 22 |
*/ |
| 23 |
class Stats_Image extends File { |
| 24 |
|
| 25 |
/** |
| 26 |
* Image width in pixels. |
| 27 |
* |
| 28 |
* @var int |
| 29 |
*/ |
| 30 |
const WIDTH = 1200; |
| 31 |
|
| 32 |
/** |
| 33 |
* Image height in pixels. |
| 34 |
* |
| 35 |
* @var int |
| 36 |
*/ |
| 37 |
const HEIGHT = 630; |
| 38 |
|
| 39 |
/** |
| 40 |
* Get the cache type identifier. |
| 41 |
* |
| 42 |
* @return string Cache type. |
| 43 |
*/ |
| 44 |
public static function get_type() { |
| 45 |
return 'stats_image'; |
| 46 |
} |
| 47 |
|
| 48 |
/** |
| 49 |
* Get the base directory path relative to uploads. |
| 50 |
* |
| 51 |
* @return string Base directory path. |
| 52 |
*/ |
| 53 |
public static function get_base_dir() { |
| 54 |
return '/activitypub/stats/'; |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Get the context identifier for the filter. |
| 59 |
* |
| 60 |
* @return string Context identifier. |
| 61 |
*/ |
| 62 |
public static function get_context() { |
| 63 |
return 'stats_image'; |
| 64 |
} |
| 65 |
|
| 66 |
/** |
| 67 |
* Get the maximum dimension for images of this type. |
| 68 |
* |
| 69 |
* Stats images have a fixed size, so no resizing is needed. |
| 70 |
* |
| 71 |
* @return int Maximum width/height in pixels. |
| 72 |
*/ |
| 73 |
public static function get_max_dimension() { |
| 74 |
return self::WIDTH; |
| 75 |
} |
| 76 |
|
| 77 |
/** |
| 78 |
* Check if the GD library is available. |
| 79 |
* |
| 80 |
* @return bool Whether GD is available. |
| 81 |
*/ |
| 82 |
public static function is_available() { |
| 83 |
return \function_exists( 'imagecreatetruecolor' ); |
| 84 |
} |
| 85 |
|
| 86 |
/** |
| 87 |
* Get the public URL for a stats image, generating it if needed. |
| 88 |
* |
| 89 |
* @param int $user_id The user ID. |
| 90 |
* @param int $year The year. |
| 91 |
* |
| 92 |
* @return string|\WP_Error The public URL or error. |
| 93 |
*/ |
| 94 |
public static function get_url( $user_id, $year ) { |
| 95 |
if ( ! self::is_available() ) { |
| 96 |
return new \WP_Error( 'gd_not_available', \__( 'GD library is not available.', 'activitypub' ), array( 'status' => 501 ) ); |
| 97 |
} |
| 98 |
|
| 99 |
// If local caching is disabled, use the REST endpoint for on-the-fly generation. |
| 100 |
if ( ! static::is_enabled() ) { |
| 101 |
$url = \get_rest_url( null, ACTIVITYPUB_REST_NAMESPACE . '/stats/image/' . $user_id . '/' . $year ); |
| 102 |
|
| 103 |
/** |
| 104 |
* Filters the stats image URL. |
| 105 |
* |
| 106 |
* Can be used to route through a CDN or image proxy like Photon. |
| 107 |
* |
| 108 |
* @since 8.1.0 |
| 109 |
* |
| 110 |
* @param string $url The image URL. |
| 111 |
* @param int $user_id The user ID. |
| 112 |
* @param int $year The year. |
| 113 |
*/ |
| 114 |
return \apply_filters( 'activitypub_stats_image_url', $url, $user_id, $year ); |
| 115 |
} |
| 116 |
|
| 117 |
$hash = self::get_hash( $user_id, $year ); |
| 118 |
$paths = static::get_storage_paths( $user_id ); |
| 119 |
|
| 120 |
// Check for cached file using the base class glob pattern. |
| 121 |
$pattern = static::escape_glob_pattern( $paths['basedir'] . '/stats-' . $year . '-' . $hash ) . '.*'; |
| 122 |
$matches = \glob( $pattern ); |
| 123 |
|
| 124 |
if ( ! empty( $matches ) && \is_file( $matches[0] ) ) { |
| 125 |
$url = $paths['baseurl'] . '/' . \basename( $matches[0] ); |
| 126 |
|
| 127 |
/** This filter is documented in includes/cache/class-stats-image.php */ |
| 128 |
return \apply_filters( 'activitypub_stats_image_url', $url, $user_id, $year ); |
| 129 |
} |
| 130 |
|
| 131 |
// Generate the image. |
| 132 |
$result = self::generate( $user_id, $year ); |
| 133 |
|
| 134 |
if ( \is_wp_error( $result ) ) { |
| 135 |
return $result; |
| 136 |
} |
| 137 |
|
| 138 |
$url = $paths['baseurl'] . '/' . \basename( $result ); |
| 139 |
|
| 140 |
/** This filter is documented in includes/cache/class-stats-image.php */ |
| 141 |
return \apply_filters( 'activitypub_stats_image_url', $url, $user_id, $year ); |
| 142 |
} |
| 143 |
|
| 144 |
/** |
| 145 |
* Serve a stats image, generating it if needed. |
| 146 |
* |
| 147 |
* Outputs headers and image data, then exits. |
| 148 |
* |
| 149 |
* @param int $user_id The user ID. |
| 150 |
* @param int $year The year. |
| 151 |
* |
| 152 |
* @return \WP_Error|void Error on failure, exits on success. |
| 153 |
*/ |
| 154 |
public static function serve( $user_id, $year ) { |
| 155 |
if ( ! self::is_available() ) { |
| 156 |
return new \WP_Error( 'gd_not_available', \__( 'GD library is not available.', 'activitypub' ), array( 'status' => 501 ) ); |
| 157 |
} |
| 158 |
|
| 159 |
$hash = self::get_hash( $user_id, $year ); |
| 160 |
$paths = static::get_storage_paths( $user_id ); |
| 161 |
|
| 162 |
// Check for cached file. |
| 163 |
$pattern = static::escape_glob_pattern( $paths['basedir'] . '/stats-' . $year . '-' . $hash ) . '.*'; |
| 164 |
$matches = \glob( $pattern ); |
| 165 |
$file = ( ! empty( $matches ) && \is_file( $matches[0] ) ) ? $matches[0] : null; |
| 166 |
|
| 167 |
if ( ! $file ) { |
| 168 |
$file = self::generate( $user_id, $year ); |
| 169 |
} |
| 170 |
|
| 171 |
if ( \is_wp_error( $file ) ) { |
| 172 |
return $file; |
| 173 |
} |
| 174 |
|
| 175 |
$mime_type = static::get_file_mime_type( $file ); |
| 176 |
|
| 177 |
\header( 'Content-Type: ' . ( $mime_type ?: 'image/png' ) ); |
| 178 |
\header( 'Content-Length: ' . \filesize( $file ) ); |
| 179 |
\header( 'Cache-Control: public, max-age=86400' ); |
| 180 |
\header( 'X-Content-Type-Options: nosniff' ); |
| 181 |
|
| 182 |
\readfile( $file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile |
| 183 |
exit; |
| 184 |
} |
| 185 |
|
| 186 |
/** |
| 187 |
* Generate the stats image and save to cache. |
| 188 |
* |
| 189 |
* @param int $user_id The user ID. |
| 190 |
* @param int $year The year. |
| 191 |
* |
| 192 |
* @return string|\WP_Error Cached file path or error. |
| 193 |
*/ |
| 194 |
public static function generate( $user_id, $year ) { |
| 195 |
if ( ! self::is_available() ) { |
| 196 |
return new \WP_Error( 'gd_not_available', \__( 'GD library is not available.', 'activitypub' ), array( 'status' => 501 ) ); |
| 197 |
} |
| 198 |
|
| 199 |
$summary = Statistics::get_annual_summary( $user_id, $year ); |
| 200 |
|
| 201 |
if ( ! $summary ) { |
| 202 |
$summary = Statistics::compile_annual_summary( $user_id, $year ); |
| 203 |
} |
| 204 |
|
| 205 |
if ( ! $summary || empty( $summary['posts_count'] ) ) { |
| 206 |
return new \WP_Error( 'no_stats', \__( 'No statistics available for this period.', 'activitypub' ), array( 'status' => 404 ) ); |
| 207 |
} |
| 208 |
|
| 209 |
$actor = Actors::get_by_id( $user_id ); |
| 210 |
|
| 211 |
if ( \is_wp_error( $actor ) ) { |
| 212 |
if ( Actors::BLOG_USER_ID === $user_id ) { |
| 213 |
$actor = new Blog(); |
| 214 |
} elseif ( Actors::APPLICATION_USER_ID === $user_id ) { |
| 215 |
$actor = new Application(); |
| 216 |
} |
| 217 |
} |
| 218 |
|
| 219 |
$actor_webfinger = ! \is_wp_error( $actor ) ? $actor->get_webfinger() : ''; |
| 220 |
$site_name = \get_bloginfo( 'name' ); |
| 221 |
|
| 222 |
if ( ! \function_exists( 'wp_tempnam' ) ) { |
| 223 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 224 |
} |
| 225 |
|
| 226 |
$tmp_file = self::render( $summary, $actor_webfinger, $site_name, $year ); |
| 227 |
|
| 228 |
if ( \is_wp_error( $tmp_file ) ) { |
| 229 |
return $tmp_file; |
| 230 |
} |
| 231 |
|
| 232 |
// Use the base class storage paths and optimization. |
| 233 |
$paths = static::get_storage_paths( $user_id ); |
| 234 |
|
| 235 |
if ( ! \wp_mkdir_p( $paths['basedir'] ) ) { |
| 236 |
\wp_delete_file( $tmp_file ); |
| 237 |
return new \WP_Error( 'cache_dir_failed', \__( 'Failed to create cache directory.', 'activitypub' ), array( 'status' => 500 ) ); |
| 238 |
} |
| 239 |
|
| 240 |
// Remove old cached images for this year before saving the new one. |
| 241 |
$old_files = \glob( static::escape_glob_pattern( $paths['basedir'] . '/stats-' . $year . '-' ) . '*.*' ); |
| 242 |
if ( $old_files ) { |
| 243 |
foreach ( $old_files as $old_file ) { |
| 244 |
\wp_delete_file( $old_file ); |
| 245 |
} |
| 246 |
} |
| 247 |
|
| 248 |
$hash = self::get_hash( $user_id, $year ); |
| 249 |
$dest_name = \sprintf( 'stats-%d-%s.png', $year, $hash ); |
| 250 |
$dest_path = $paths['basedir'] . '/' . $dest_name; |
| 251 |
|
| 252 |
static::get_filesystem()->move( $tmp_file, $dest_path, true ); |
| 253 |
|
| 254 |
// Keep as PNG for maximum compatibility when sharing on social networks. |
| 255 |
return $dest_path; |
| 256 |
} |
| 257 |
|
| 258 |
/** |
| 259 |
* Generate a hash for cache invalidation. |
| 260 |
* |
| 261 |
* Includes the theme stylesheet, version, and stats compilation |
| 262 |
* timestamp so cached images are regenerated when the theme or |
| 263 |
* the underlying stats data changes. |
| 264 |
* |
| 265 |
* @param int $user_id The user ID. |
| 266 |
* @param int $year The year. |
| 267 |
* |
| 268 |
* @return string The hash string. |
| 269 |
*/ |
| 270 |
private static function get_hash( $user_id = 0, $year = 0 ) { |
| 271 |
$parts = array( |
| 272 |
\get_stylesheet(), |
| 273 |
\wp_get_theme()->get( 'Version' ), |
| 274 |
); |
| 275 |
|
| 276 |
if ( $user_id && $year ) { |
| 277 |
$summary = Statistics::get_annual_summary( $user_id, $year ); |
| 278 |
|
| 279 |
if ( $summary && ! empty( $summary['compiled_at'] ) ) { |
| 280 |
$parts[] = $summary['compiled_at']; |
| 281 |
} |
| 282 |
} |
| 283 |
|
| 284 |
return \md5( \wp_json_encode( $parts ) ); |
| 285 |
} |
| 286 |
|
| 287 |
/** |
| 288 |
* Render the stats image as a temporary PNG file. |
| 289 |
* |
| 290 |
* @param array $summary The annual stats summary. |
| 291 |
* @param string $actor_webfinger The actor webfinger identifier. |
| 292 |
* @param string $site_name The site name. |
| 293 |
* @param int $year The year. |
| 294 |
* @return string|\WP_Error Path to temporary PNG file or error. |
| 295 |
*/ |
| 296 |
private static function render( $summary, $actor_webfinger, $site_name, $year ) { |
| 297 |
$width = self::WIDTH; |
| 298 |
$height = self::HEIGHT; |
| 299 |
|
| 300 |
$image = \imagecreatetruecolor( $width, $height ); |
| 301 |
|
| 302 |
if ( ! $image ) { |
| 303 |
return new \WP_Error( 'image_create_failed', \__( 'Failed to create image.', 'activitypub' ), array( 'status' => 500 ) ); |
| 304 |
} |
| 305 |
|
| 306 |
\imageantialias( $image, true ); |
| 307 |
|
| 308 |
$colors = self::resolve_colors(); |
| 309 |
$bg = \imagecolorallocate( $image, $colors['bg'][0], $colors['bg'][1], $colors['bg'][2] ); |
| 310 |
$fg = \imagecolorallocate( $image, $colors['fg'][0], $colors['fg'][1], $colors['fg'][2] ); |
| 311 |
$muted = \imagecolorallocate( $image, $colors['muted'][0], $colors['muted'][1], $colors['muted'][2] ); |
| 312 |
|
| 313 |
\imagefill( $image, 0, 0, $bg ); |
| 314 |
|
| 315 |
$font = self::resolve_font(); |
| 316 |
|
| 317 |
// Total engagement. |
| 318 |
$comment_types = Statistics::get_comment_types_for_stats(); |
| 319 |
$total_engagement = 0; |
| 320 |
foreach ( \array_keys( $comment_types ) as $slug ) { |
| 321 |
$total_engagement += $summary[ $slug . '_count' ] ?? 0; |
| 322 |
} |
| 323 |
|
| 324 |
// Title. |
| 325 |
$title = \sprintf( |
| 326 |
/* translators: %d: The year */ |
| 327 |
\__( 'Fediverse Stats %d', 'activitypub' ), |
| 328 |
$year |
| 329 |
); |
| 330 |
self::draw_text( $image, $title, null, 100, 36, $fg, $font ); |
| 331 |
|
| 332 |
// Actor webfinger. |
| 333 |
if ( $actor_webfinger ) { |
| 334 |
self::draw_text( $image, $actor_webfinger, null, 150, 20, $muted, $font ); |
| 335 |
} |
| 336 |
|
| 337 |
// Three big stats in a row. |
| 338 |
$stats = array( |
| 339 |
array( |
| 340 |
'value' => \number_format_i18n( $summary['posts_count'] ), |
| 341 |
'label' => \__( 'Posts', 'activitypub' ), |
| 342 |
), |
| 343 |
array( |
| 344 |
'value' => \number_format_i18n( $total_engagement ), |
| 345 |
'label' => \__( 'Engagements', 'activitypub' ), |
| 346 |
), |
| 347 |
array( |
| 348 |
'value' => \number_format_i18n( $summary['followers_end'] ?? 0 ), |
| 349 |
'label' => \__( 'Followers', 'activitypub' ), |
| 350 |
), |
| 351 |
); |
| 352 |
|
| 353 |
$col_width = (int) ( $width / 3 ); |
| 354 |
|
| 355 |
foreach ( $stats as $i => $stat ) { |
| 356 |
$center_x = (int) ( $col_width * $i + $col_width / 2 ); |
| 357 |
self::draw_text( $image, $stat['value'], $center_x, 300, 56, $fg, $font ); |
| 358 |
self::draw_text( $image, $stat['label'], $center_x, 355, 18, $muted, $font ); |
| 359 |
} |
| 360 |
|
| 361 |
// Follower growth line. |
| 362 |
$followers_net = $summary['followers_net_change'] ?? 0; |
| 363 |
$change_sign = $followers_net >= 0 ? '+' : ''; |
| 364 |
$growth_text = \sprintf( |
| 365 |
/* translators: %s: follower net change */ |
| 366 |
\__( '%s followers this year', 'activitypub' ), |
| 367 |
$change_sign . \number_format_i18n( $followers_net ) |
| 368 |
); |
| 369 |
self::draw_text( $image, $growth_text, null, 450, 20, $muted, $font ); |
| 370 |
|
| 371 |
// Branding. |
| 372 |
$branding = $site_name . ' - ' . \__( 'Powered by ActivityPub', 'activitypub' ); |
| 373 |
self::draw_text( $image, $branding, null, $height - 40, 14, $muted, $font ); |
| 374 |
|
| 375 |
// Save to temp file. |
| 376 |
$tmp_file = \wp_tempnam( 'activitypub-stats-' ); |
| 377 |
|
| 378 |
if ( ! $tmp_file ) { |
| 379 |
return new \WP_Error( 'temp_file_failed', \__( 'Could not create temporary file.', 'activitypub' ), array( 'status' => 500 ) ); |
| 380 |
} |
| 381 |
|
| 382 |
$saved = \imagepng( $image, $tmp_file ); |
| 383 |
|
| 384 |
// imagedestroy() is deprecated since PHP 8.5 and a no-op since 8.0. |
| 385 |
if ( \PHP_VERSION_ID < 80000 ) { |
| 386 |
\imagedestroy( $image ); |
| 387 |
} |
| 388 |
|
| 389 |
if ( ! $saved ) { |
| 390 |
\wp_delete_file( $tmp_file ); |
| 391 |
return new \WP_Error( 'image_write_failed', \__( 'Failed to write stats image.', 'activitypub' ), array( 'status' => 500 ) ); |
| 392 |
} |
| 393 |
|
| 394 |
return $tmp_file; |
| 395 |
} |
| 396 |
|
| 397 |
/** |
| 398 |
* Draw text on the image, centered on the canvas or at a specific x position. |
| 399 |
* |
| 400 |
* Uses TrueType rendering when a font is available, falls back to |
| 401 |
* GD built-in fonts. |
| 402 |
* |
| 403 |
* @param resource $image The image resource. |
| 404 |
* @param string $text The text to draw. |
| 405 |
* @param int|null $x The center x position, or null to center on canvas. |
| 406 |
* @param int $y The y position. |
| 407 |
* @param int|float $size Font size in points (TTF) or 1-5 (built-in). |
| 408 |
* @param int $color The text color. |
| 409 |
* @param string|false $font Path to TTF file, or false for built-in. |
| 410 |
*/ |
| 411 |
private static function draw_text( $image, $text, $x, $y, $size, $color, $font = false ) { |
| 412 |
if ( $font && \function_exists( 'imagefttext' ) ) { |
| 413 |
$bbox = \imageftbbox( $size, 0, $font, $text ); |
| 414 |
$text_width = $bbox[2] - $bbox[0]; |
| 415 |
$draw_x = null === $x |
| 416 |
? (int) ( ( self::WIDTH - $text_width ) / 2 ) |
| 417 |
: (int) ( $x - $text_width / 2 ); |
| 418 |
\imagefttext( $image, $size, 0, $draw_x, $y, $color, $font, $text ); |
| 419 |
} else { |
| 420 |
$builtin_size = \min( 5, \max( 1, (int) ( $size / 10 ) ) ); |
| 421 |
$font_width = \imagefontwidth( $builtin_size ); |
| 422 |
$text_width = $font_width * \strlen( $text ); |
| 423 |
$draw_x = null === $x |
| 424 |
? (int) ( ( self::WIDTH - $text_width ) / 2 ) |
| 425 |
: (int) ( $x - $text_width / 2 ); |
| 426 |
\imagestring( $image, $builtin_size, $draw_x, $y, $text, $color ); |
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
/** |
| 431 |
* Resolve colors from theme Global Styles or overrides. |
| 432 |
* |
| 433 |
* @return array Associative array with 'bg', 'fg', and 'muted' RGB arrays. |
| 434 |
*/ |
| 435 |
private static function resolve_colors() { |
| 436 |
$bg_rgb = array( 255, 255, 255 ); |
| 437 |
$fg_rgb = array( 17, 17, 17 ); |
| 438 |
|
| 439 |
$palette = array(); |
| 440 |
$settings = \wp_get_global_settings(); |
| 441 |
if ( ! empty( $settings['color']['palette'] ) ) { |
| 442 |
foreach ( $settings['color']['palette'] as $colors ) { |
| 443 |
foreach ( $colors as $color ) { |
| 444 |
$palette[ $color['slug'] ] = $color['color']; |
| 445 |
} |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
$styles = \wp_get_global_styles( array( 'color' ) ); |
| 450 |
$bg_resolved = self::resolve_style_color( $styles['background'] ?? '', $palette ); |
| 451 |
$fg_resolved = self::resolve_style_color( $styles['text'] ?? '', $palette ); |
| 452 |
|
| 453 |
if ( $bg_resolved ) { |
| 454 |
$bg_rgb = $bg_resolved; |
| 455 |
} |
| 456 |
|
| 457 |
if ( $fg_resolved ) { |
| 458 |
$fg_rgb = $fg_resolved; |
| 459 |
} |
| 460 |
|
| 461 |
if ( ! $bg_resolved || ! $fg_resolved ) { |
| 462 |
$bg_slugs = array( 'base', 'background', 'white' ); |
| 463 |
$fg_slugs = array( 'contrast', 'foreground', 'black', 'dark-gray' ); |
| 464 |
|
| 465 |
if ( ! $bg_resolved ) { |
| 466 |
foreach ( $bg_slugs as $slug ) { |
| 467 |
if ( ! empty( $palette[ $slug ] ) ) { |
| 468 |
$parsed = self::parse_hex( $palette[ $slug ] ); |
| 469 |
if ( $parsed ) { |
| 470 |
$bg_rgb = $parsed; |
| 471 |
break; |
| 472 |
} |
| 473 |
} |
| 474 |
} |
| 475 |
} |
| 476 |
|
| 477 |
if ( ! $fg_resolved ) { |
| 478 |
foreach ( $fg_slugs as $slug ) { |
| 479 |
if ( ! empty( $palette[ $slug ] ) ) { |
| 480 |
$parsed = self::parse_hex( $palette[ $slug ] ); |
| 481 |
if ( $parsed ) { |
| 482 |
$fg_rgb = $parsed; |
| 483 |
break; |
| 484 |
} |
| 485 |
} |
| 486 |
} |
| 487 |
} |
| 488 |
} |
| 489 |
|
| 490 |
return self::build_color_set( $bg_rgb, $fg_rgb ); |
| 491 |
} |
| 492 |
|
| 493 |
/** |
| 494 |
* Build a color set with a derived muted color. |
| 495 |
* |
| 496 |
* @param array $bg_rgb Background RGB. |
| 497 |
* @param array $fg_rgb Foreground RGB. |
| 498 |
* |
| 499 |
* @return array { bg, fg, muted } RGB arrays. |
| 500 |
*/ |
| 501 |
private static function build_color_set( $bg_rgb, $fg_rgb ) { |
| 502 |
return array( |
| 503 |
'bg' => $bg_rgb, |
| 504 |
'fg' => $fg_rgb, |
| 505 |
'muted' => array( |
| 506 |
(int) ( ( $fg_rgb[0] + $bg_rgb[0] ) / 2 ), |
| 507 |
(int) ( ( $fg_rgb[1] + $bg_rgb[1] ) / 2 ), |
| 508 |
(int) ( ( $fg_rgb[2] + $bg_rgb[2] ) / 2 ), |
| 509 |
), |
| 510 |
); |
| 511 |
} |
| 512 |
|
| 513 |
/** |
| 514 |
* Resolve a color value from Global Styles. |
| 515 |
* |
| 516 |
* @param string $value The color value (hex or CSS variable). |
| 517 |
* @param array $palette The merged color palette (slug => hex). |
| 518 |
* |
| 519 |
* @return array|false RGB array or false. |
| 520 |
*/ |
| 521 |
private static function resolve_style_color( $value, $palette ) { |
| 522 |
if ( empty( $value ) ) { |
| 523 |
return false; |
| 524 |
} |
| 525 |
|
| 526 |
if ( '#' === $value[0] ) { |
| 527 |
return self::parse_hex( $value ); |
| 528 |
} |
| 529 |
|
| 530 |
if ( \preg_match( '/--color--([a-z0-9-]+)/', $value, $matches ) ) { |
| 531 |
if ( ! empty( $palette[ $matches[1] ] ) ) { |
| 532 |
return self::parse_hex( $palette[ $matches[1] ] ); |
| 533 |
} |
| 534 |
} |
| 535 |
|
| 536 |
return false; |
| 537 |
} |
| 538 |
|
| 539 |
/** |
| 540 |
* Parse a hex color string into an RGB array. |
| 541 |
* |
| 542 |
* @param string $hex The hex color (e.g. '#FF0000' or '#F00'). |
| 543 |
* |
| 544 |
* @return array|false Array of [r, g, b] or false on failure. |
| 545 |
*/ |
| 546 |
private static function parse_hex( $hex ) { |
| 547 |
$hex = \ltrim( $hex, '#' ); |
| 548 |
|
| 549 |
if ( 3 === \strlen( $hex ) ) { |
| 550 |
$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2]; |
| 551 |
} |
| 552 |
|
| 553 |
if ( 6 !== \strlen( $hex ) ) { |
| 554 |
return false; |
| 555 |
} |
| 556 |
|
| 557 |
$result = \sscanf( $hex, '%02x%02x%02x' ); |
| 558 |
|
| 559 |
return ( 3 === \count( $result ) ) ? $result : false; |
| 560 |
} |
| 561 |
|
| 562 |
/** |
| 563 |
* Resolve a TTF font file from the active theme or Font Library. |
| 564 |
* |
| 565 |
* @return string|false Path to a TTF file, or false if none found. |
| 566 |
*/ |
| 567 |
private static function resolve_font() { |
| 568 |
$body_slug = ''; |
| 569 |
$styles = \wp_get_global_styles( array( 'typography' ) ); |
| 570 |
if ( ! empty( $styles['fontFamily'] ) && \preg_match( '/--font-family--([a-z0-9-]+)/', $styles['fontFamily'], $matches ) ) { |
| 571 |
$body_slug = $matches[1]; |
| 572 |
} |
| 573 |
|
| 574 |
$settings = \wp_get_global_settings(); |
| 575 |
if ( ! empty( $settings['typography']['fontFamilies'] ) ) { |
| 576 |
$all_families = array(); |
| 577 |
foreach ( $settings['typography']['fontFamilies'] as $families ) { |
| 578 |
foreach ( $families as $family ) { |
| 579 |
$all_families[] = $family; |
| 580 |
} |
| 581 |
} |
| 582 |
|
| 583 |
// Sort so the body font family is tried first. |
| 584 |
if ( $body_slug ) { |
| 585 |
\usort( |
| 586 |
$all_families, |
| 587 |
function ( $a, $b ) use ( $body_slug ) { |
| 588 |
return ( ( $a['slug'] ?? '' ) === $body_slug ? 0 : 1 ) - ( ( $b['slug'] ?? '' ) === $body_slug ? 0 : 1 ); |
| 589 |
} |
| 590 |
); |
| 591 |
} |
| 592 |
|
| 593 |
$font = self::find_ttf_in_families( $all_families ); |
| 594 |
if ( $font ) { |
| 595 |
return $font; |
| 596 |
} |
| 597 |
} |
| 598 |
|
| 599 |
// Try the Font Library (WP 6.5+). |
| 600 |
$font = self::find_ttf_in_font_library(); |
| 601 |
if ( $font ) { |
| 602 |
return $font; |
| 603 |
} |
| 604 |
|
| 605 |
return false; |
| 606 |
} |
| 607 |
|
| 608 |
/** |
| 609 |
* Find a TTF/OTF file in font family definitions. |
| 610 |
* |
| 611 |
* @param array $families The font families to search. |
| 612 |
* |
| 613 |
* @return string|false Path to TTF file or false. |
| 614 |
*/ |
| 615 |
private static function find_ttf_in_families( $families ) { |
| 616 |
$theme_dir = \get_theme_root(); |
| 617 |
|
| 618 |
foreach ( $families as $family ) { |
| 619 |
if ( empty( $family['fontFace'] ) ) { |
| 620 |
continue; |
| 621 |
} |
| 622 |
foreach ( $family['fontFace'] as $face ) { |
| 623 |
$src = \is_array( $face['src'] ) ? $face['src'][0] : $face['src']; |
| 624 |
|
| 625 |
if ( ! \preg_match( '/\.(ttf|otf)$/i', $src ) ) { |
| 626 |
continue; |
| 627 |
} |
| 628 |
|
| 629 |
// Resolve theme-relative paths. |
| 630 |
if ( 0 === \strpos( $src, 'file:./' ) ) { |
| 631 |
$src = \get_theme_file_path( \substr( $src, 7 ) ); |
| 632 |
} |
| 633 |
|
| 634 |
// Only allow fonts within the themes directory for security. |
| 635 |
$real_path = \realpath( $src ); |
| 636 |
if ( ! $real_path || 0 !== \strpos( $real_path, \realpath( $theme_dir ) ) ) { |
| 637 |
continue; |
| 638 |
} |
| 639 |
|
| 640 |
return $real_path; |
| 641 |
} |
| 642 |
} |
| 643 |
|
| 644 |
return false; |
| 645 |
} |
| 646 |
|
| 647 |
/** |
| 648 |
* Find a TTF/OTF file from the WordPress Font Library. |
| 649 |
* |
| 650 |
* @return string|false Path to TTF file or false. |
| 651 |
*/ |
| 652 |
private static function find_ttf_in_font_library() { |
| 653 |
$font_families = \get_posts( |
| 654 |
array( |
| 655 |
'post_type' => 'wp_font_family', |
| 656 |
'posts_per_page' => 10, |
| 657 |
'post_status' => 'publish', |
| 658 |
) |
| 659 |
); |
| 660 |
|
| 661 |
foreach ( $font_families as $font_family ) { |
| 662 |
$faces = \get_posts( |
| 663 |
array( |
| 664 |
'post_type' => 'wp_font_face', |
| 665 |
'post_parent' => $font_family->ID, |
| 666 |
'posts_per_page' => 10, |
| 667 |
'post_status' => 'publish', |
| 668 |
) |
| 669 |
); |
| 670 |
|
| 671 |
foreach ( $faces as $face ) { |
| 672 |
$file = \get_post_meta( $face->ID, '_wp_font_face_file', true ); |
| 673 |
if ( $file && \preg_match( '/\.(ttf|otf)$/i', $file ) ) { |
| 674 |
$path = \path_join( \wp_get_font_dir()['path'], $file ); |
| 675 |
if ( \file_exists( $path ) ) { |
| 676 |
return $path; |
| 677 |
} |
| 678 |
} |
| 679 |
} |
| 680 |
} |
| 681 |
|
| 682 |
return false; |
| 683 |
} |
| 684 |
} |
| 685 |
|
