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jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php
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13.2.4
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16.3
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| @@ -1,5 +1,5 @@ | ||
| 1 | -<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName | |
| 1 | +<?php | |
| 2 | 2 | /** |
| 3 | 3 | * Class for photon functionality. |
| 4 | 4 | * |
| 5 | 5 | * @package automattic/jetpack-image-cdn |
| @@ -6,16 +6,14 @@ | ||
| 6 | 6 | */ |
| 7 | 7 | |
| 8 | 8 | namespace Automattic\Jetpack\Image_CDN; |
| 9 | 9 | |
| 10 | -use Automattic\Jetpack\Assets; | |
| 11 | - | |
| 12 | 10 | /** |
| 13 | 11 | * Class Image_CDN |
| 14 | 12 | */ |
| 15 | 13 | final class Image_CDN { |
| 16 | 14 | |
| 17 | - const PACKAGE_VERSION = '0.3.2'; | |
| 15 | + const PACKAGE_VERSION = '0.8.1'; | |
| 18 | 16 | |
| 19 | 17 | /** |
| 20 | 18 | * Singleton. |
| 21 | 19 | * |
| @@ -61,9 +59,9 @@ | ||
| 61 | 59 | * |
| 62 | 60 | * @return object |
| 63 | 61 | */ |
| 64 | 62 | public static function instance() { |
| 65 | - if ( ! is_a( self::$instance, self::class ) ) { | |
| 63 | + if ( ! self::$instance instanceof self ) { | |
| 66 | 64 | self::$instance = new self(); |
| 67 | 65 | self::$instance->setup(); |
| 68 | 66 | self::$is_enabled = true; |
| 69 | 67 | } |
| @@ -111,13 +109,10 @@ | ||
| 111 | 109 | add_filter( 'rest_request_after_callbacks', array( $this, 'cleanup_rest_photon_image_downsize' ) ); |
| 112 | 110 | |
| 113 | 111 | // Responsive image srcset substitution. |
| 114 | 112 | add_filter( 'wp_calculate_image_srcset', array( $this, 'filter_srcset_array' ), 10, 5 ); |
| 115 | - add_filter( 'wp_calculate_image_sizes', array( $this, 'filter_sizes' ), 1, 2 ); // Early so themes can still easily filter. | |
| 113 | + add_filter( 'wp_calculate_image_sizes', array( $this, 'filter_sizes' ), 1, 3 ); // Early so themes can still easily filter. | |
| 116 | 114 | |
| 117 | - // Helpers for maniuplated images. | |
| 118 | - add_action( 'wp_enqueue_scripts', array( $this, 'action_wp_enqueue_scripts' ), 9 ); | |
| 119 | - | |
| 120 | 115 | /** |
| 121 | 116 | * Allow Photon to disable uploaded images resizing and use its own resize capabilities instead. |
| 122 | 117 | * |
| 123 | 118 | * @module photon |
| @@ -216,9 +211,9 @@ | ||
| 216 | 211 | */ |
| 217 | 212 | public static function filter_photon_noresize_thumbnail_urls( $sizes ) { |
| 218 | 213 | foreach ( $sizes as $size => $url ) { |
| 219 | 214 | $parts = explode( '?', $url ); |
| 220 | - $arguments = isset( $parts[1] ) ? $parts[1] : array(); | |
| 215 | + $arguments = $parts[1] ?? array(); | |
| 221 | 216 | |
| 222 | 217 | $sizes[ $size ] = Image_CDN_Core::cdn_url( $url, wp_parse_args( $arguments ) ); |
| 223 | 218 | } |
| 224 | 219 | |
| @@ -238,12 +233,12 @@ | ||
| 238 | 233 | if ( empty( $data ) ) { |
| 239 | 234 | return $data; |
| 240 | 235 | } |
| 241 | 236 | $sizes_already_exist = ( |
| 242 | - true === is_array( $data ) | |
| 243 | - && true === array_key_exists( 'sizes', $data ) | |
| 244 | - && true === is_array( $data['sizes'] ) | |
| 245 | - && false === empty( $data['sizes'] ) | |
| 237 | + is_array( $data ) | |
| 238 | + && array_key_exists( 'sizes', $data ) | |
| 239 | + && is_array( $data['sizes'] ) | |
| 240 | + && ! empty( $data['sizes'] ) | |
| 246 | 241 | ); |
| 247 | 242 | if ( $sizes_already_exist ) { |
| 248 | 243 | return $data; |
| 249 | 244 | } |
| @@ -314,9 +309,9 @@ | ||
| 314 | 309 | */ |
| 315 | 310 | public static function parse_dimensions_from_filename( $src ) { |
| 316 | 311 | $width_height_string = array(); |
| 317 | 312 | |
| 318 | - if ( preg_match( '#-(\d+)x(\d+)\.(?:' . implode( '|', self::$extensions ) . '){1}$#i', $src, $width_height_string ) ) { | |
| 313 | + if ( preg_match( '#-(\d+)x(\d+)\.(?:' . implode( '|', self::$extensions ) . '){1}(?:\?.*)?$#i', $src, $width_height_string ) ) { | |
| 319 | 314 | $width = (int) $width_height_string[1]; |
| 320 | 315 | $height = (int) $width_height_string[2]; |
| 321 | 316 | |
| 322 | 317 | if ( $width && $height ) { |
| @@ -329,307 +324,385 @@ | ||
| 329 | 324 | |
| 330 | 325 | /** |
| 331 | 326 | * Identify images in post content, and if images are local (uploaded to the current site), pass through Photon. |
| 332 | 327 | * |
| 333 | - * @param string $content The content. | |
| 328 | + * @param string|mixed $content The content; should be a string but will convert to an empty string if not. | |
| 334 | 329 | * |
| 335 | 330 | * @uses self::validate_image_url, apply_filters, Image_CDN_Core::cdn_url, esc_url |
| 336 | 331 | * @filter the_content |
| 337 | 332 | * |
| 338 | - * @return string | |
| 333 | + * @return string The content. | |
| 339 | 334 | */ |
| 340 | 335 | public static function filter_the_content( $content ) { |
| 341 | - $images = self::parse_images_from_html( $content ); | |
| 336 | + // Early return if content is empty or not a string. | |
| 337 | + if ( ! is_string( $content ) || '' === $content ) { | |
| 338 | + return ''; | |
| 339 | + } | |
| 342 | 340 | |
| 343 | - if ( ! empty( $images ) ) { | |
| 344 | - $content_width = Image_CDN_Core::get_jetpack_content_width(); | |
| 341 | + static $image_tags = array( 'IMG', 'AMP-IMG', 'AMP-ANIM' ); | |
| 342 | + $content_width = null; | |
| 343 | + $image_sizes = null; | |
| 344 | + $upload_dir = null; | |
| 345 | + $processor = new \WP_HTML_Tag_Processor( $content ); | |
| 346 | + $nearest_preceding_href = null; | |
| 345 | 347 | |
| 346 | - $image_sizes = self::image_sizes(); | |
| 348 | + // Visit every image-containing tag in the document. | |
| 349 | + while ( $processor->next_tag( array( 'tag_closers' => 'visit' ) ) ) { | |
| 350 | + /* | |
| 351 | + * When an image is wrapped by an A element, the goal is to modify | |
| 352 | + * both elements. Thus it's important to track links that may be | |
| 353 | + * opened before reaching any image. In normative HTML this detection | |
| 354 | + * is reliable enough, but it could be confused in cases where other | |
| 355 | + * tags implicitly close the A. If this additional reliability is | |
| 356 | + * required, replace the Tag Processor with the HTML Processor. | |
| 357 | + */ | |
| 358 | + if ( 'A' === $processor->get_tag() ) { | |
| 359 | + // If this is a closing tag the attribute will be `null`. | |
| 360 | + $nearest_preceding_href = $processor->get_attribute( 'href' ); | |
| 361 | + $processor->set_bookmark( 'link' ); | |
| 362 | + continue; | |
| 363 | + } | |
| 347 | 364 | |
| 348 | - $upload_dir = wp_get_upload_dir(); | |
| 365 | + // Identify image source. | |
| 366 | + $src_orig = $processor->get_attribute( 'src' ); | |
| 367 | + $src = $src_orig; | |
| 368 | + $placeholder_src = null; | |
| 369 | + $placeholder_src_orig = null; | |
| 349 | 370 | |
| 350 | - foreach ( $images[0] as $index => $tag ) { | |
| 351 | - // Default to resize, though fit may be used in certain cases where a dimension cannot be ascertained. | |
| 352 | - $transform = 'resize'; | |
| 371 | + /* | |
| 372 | + * Only examine tags that are considered an image, | |
| 373 | + * with a valid src attribute. | |
| 374 | + * If encountering a closing tag then this is not the image being sought. | |
| 375 | + */ | |
| 376 | + if ( | |
| 377 | + $processor->is_tag_closer() | |
| 378 | + || ! in_array( $processor->get_tag(), $image_tags, true ) | |
| 379 | + || ! is_string( $src ) | |
| 380 | + || $src === '' | |
| 381 | + ) { | |
| 382 | + continue; | |
| 383 | + } | |
| 353 | 384 | |
| 354 | - // Start with a clean attachment ID each time. | |
| 355 | - $attachment_id = false; | |
| 385 | + $processor->set_bookmark( 'image' ); | |
| 356 | 386 | |
| 357 | - // Flag if we need to munge a fullsize URL. | |
| 358 | - $fullsize_url = false; | |
| 387 | + /* | |
| 388 | + * At this point a target image has been found. Initialize the | |
| 389 | + * shared data and then process each image as it appears. | |
| 390 | + */ | |
| 391 | + if ( null === $content_width ) { | |
| 392 | + $content_width = Image_CDN_Core::get_jetpack_content_width(); | |
| 393 | + $image_sizes = self::image_sizes(); | |
| 394 | + $upload_dir = wp_get_upload_dir(); | |
| 395 | + } | |
| 359 | 396 | |
| 360 | - // Identify image source. | |
| 361 | - $src_orig = $images['img_url'][ $index ]; | |
| 362 | - $src = $src_orig; | |
| 397 | + /* | |
| 398 | + * To preserve legacy behaviors for filtering by third-party plugins, | |
| 399 | + * create a normalized HTML string representing the tag. This will | |
| 400 | + * present all attributes as double-quoted attributes and include at | |
| 401 | + * most one copy of each attribute, escaping all values appropriately. | |
| 402 | + */ | |
| 403 | + $tag_name = strtolower( (string) $processor->get_tag() ); | |
| 404 | + $tag = new \WP_HTML_Tag_Processor( "<{$tag_name}>" ); | |
| 405 | + $tag->next_tag(); | |
| 406 | + foreach ( $processor->get_attribute_names_with_prefix( '' ) ?? array() as $name ) { | |
| 407 | + $tag->set_attribute( $name, $processor->get_attribute( $name ) ); | |
| 408 | + } | |
| 409 | + $tag = $tag->get_updated_html(); | |
| 363 | 410 | |
| 364 | - /** | |
| 365 | - * Allow specific images to be skipped by Photon. | |
| 366 | - * | |
| 367 | - * @module photon | |
| 368 | - * | |
| 369 | - * @since 2.0.3 | |
| 370 | - * | |
| 371 | - * @param bool false Should Photon ignore this image. Default to false. | |
| 372 | - * @param string $src Image URL. | |
| 373 | - * @param string $tag Image Tag (Image HTML output). | |
| 374 | - */ | |
| 375 | - if ( apply_filters( 'jetpack_photon_skip_image', false, $src, $tag ) ) { | |
| 376 | - continue; | |
| 377 | - } | |
| 411 | + // Default to resize, though fit may be used in certain cases where a dimension cannot be ascertained. | |
| 412 | + $transform = 'resize'; | |
| 378 | 413 | |
| 379 | - // Support Automattic's Lazy Load plugin. | |
| 380 | - // Can't modify $tag yet as we need unadulterated version later. | |
| 381 | - if ( preg_match( '#data-lazy-src=["\'](.+?)["\']#i', $images['img_tag'][ $index ], $lazy_load_src ) ) { | |
| 382 | - $placeholder_src_orig = $src; | |
| 383 | - $placeholder_src = $placeholder_src_orig; | |
| 384 | - $src_orig = $lazy_load_src[1]; | |
| 385 | - $src = $src_orig; | |
| 386 | - } elseif ( preg_match( '#data-lazy-original=["\'](.+?)["\']#i', $images['img_tag'][ $index ], $lazy_load_src ) ) { | |
| 387 | - $placeholder_src_orig = $src; | |
| 388 | - $placeholder_src = $placeholder_src_orig; | |
| 389 | - $src_orig = $lazy_load_src[1]; | |
| 390 | - $src = $src_orig; | |
| 391 | - } | |
| 414 | + // Flag if we need to munge a fullsize URL. | |
| 415 | + $fullsize_url = false; | |
| 392 | 416 | |
| 393 | - // Check if image URL should be used with Photon. | |
| 394 | - if ( self::validate_image_url( $src ) ) { | |
| 395 | - // Find the width and height attributes. | |
| 396 | - $width = false; | |
| 397 | - $height = false; | |
| 417 | + /** | |
| 418 | + * Allow specific images to be skipped by Photon. | |
| 419 | + * | |
| 420 | + * @module photon | |
| 421 | + * | |
| 422 | + * @since 2.0.3 | |
| 423 | + * | |
| 424 | + * @param bool false Should Photon ignore this image. Default to false. | |
| 425 | + * @param string $src Image URL. | |
| 426 | + * @param string|array|null $tag Image Tag (Image HTML output) or array of image details for srcset. | |
| 427 | + */ | |
| 428 | + if ( apply_filters( 'jetpack_photon_skip_image', false, $src, $tag ) ) { | |
| 429 | + continue; | |
| 430 | + } | |
| 398 | 431 | |
| 399 | - // First, check the image tag. Note we only check for pixel sizes now; HTML4 percentages have never been correctly | |
| 400 | - // supported, so we stopped pretending to support them in JP 9.1.0. | |
| 401 | - if ( preg_match( '#[\s"\']width=["\']?([\d%]+)["\']?#i', $images['img_tag'][ $index ], $width_string ) ) { | |
| 402 | - $width = str_contains( $width_string[1], '%' ) ? false : $width_string[1]; | |
| 403 | - } | |
| 432 | + $data_lazy_src = $processor->get_attribute( 'data-lazy-src' ); | |
| 433 | + $data_lazy_original = $processor->get_attribute( 'data-lazy-original' ); | |
| 404 | 434 | |
| 405 | - if ( preg_match( '#[\s"\']height=["\']?([\d%]+)["\']?#i', $images['img_tag'][ $index ], $height_string ) ) { | |
| 406 | - $height = str_contains( $height_string[1], '%' ) ? false : $height_string[1]; | |
| 407 | - } | |
| 435 | + $source_type = 'src'; | |
| 436 | + $chosen_data_src = null; | |
| 408 | 437 | |
| 409 | - // Detect WP registered image size from HTML class. | |
| 410 | - if ( preg_match( '#class=["\']?[^"\']*size-([^"\'\s]+)[^"\']*["\']?#i', $images['img_tag'][ $index ], $size ) ) { | |
| 411 | - $size = array_pop( $size ); | |
| 438 | + // Prefer a URL from the `data-lazy-src` attribute. | |
| 439 | + if ( null === $chosen_data_src && is_string( $data_lazy_src ) && ! empty( $data_lazy_src ) ) { | |
| 440 | + $source_type = 'data-lazy-src'; | |
| 441 | + $chosen_data_src = $data_lazy_src; | |
| 442 | + } | |
| 412 | 443 | |
| 413 | - if ( false === $width && false === $height && 'full' !== $size && array_key_exists( $size, $image_sizes ) ) { | |
| 414 | - $width = (int) $image_sizes[ $size ]['width']; | |
| 415 | - $height = (int) $image_sizes[ $size ]['height']; | |
| 416 | - $transform = $image_sizes[ $size ]['crop'] ? 'resize' : 'fit'; | |
| 417 | - } | |
| 418 | - } else { | |
| 419 | - unset( $size ); | |
| 420 | - } | |
| 444 | + // Fall back to a URL from the `data-lazy-original` attribute. | |
| 445 | + if ( null === $chosen_data_src && is_string( $data_lazy_original ) && ! empty( $data_lazy_original ) ) { | |
| 446 | + $source_type = 'data-lazy-original'; | |
| 447 | + $chosen_data_src = $data_lazy_original; | |
| 448 | + } | |
| 421 | 449 | |
| 422 | - // WP Attachment ID, if uploaded to this site. | |
| 423 | - if ( | |
| 424 | - preg_match( '#class=["\']?[^"\']*wp-image-([\d]+)[^"\']*["\']?#i', $images['img_tag'][ $index ], $attachment_id ) && | |
| 425 | - str_starts_with( $src, $upload_dir['baseurl'] ) && | |
| 426 | - /** | |
| 427 | - * Filter whether an image using an attachment ID in its class has to be uploaded to the local site to go through Photon. | |
| 428 | - * | |
| 429 | - * @module photon | |
| 430 | - * | |
| 431 | - * @since 2.0.3 | |
| 432 | - * | |
| 433 | - * @param bool false Was the image uploaded to the local site. Default to false. | |
| 434 | - * @param array $args { | |
| 435 | - * Array of image details. | |
| 436 | - * | |
| 437 | - * @type $src Image URL. | |
| 438 | - * @type tag Image tag (Image HTML output). | |
| 439 | - * @type $images Array of information about the image. | |
| 440 | - * @type $index Image index. | |
| 441 | - * } | |
| 442 | - */ | |
| 443 | - apply_filters( 'jetpack_photon_image_is_local', false, compact( 'src', 'tag', 'images', 'index' ) ) | |
| 444 | - ) { | |
| 445 | - $attachment_id = (int) array_pop( $attachment_id ); | |
| 450 | + // Update the src if one was provided in the `data-lazy-` attributes. | |
| 451 | + if ( 'src' !== $source_type ) { | |
| 452 | + $placeholder_src_orig = $src; | |
| 453 | + $placeholder_src = $placeholder_src_orig; | |
| 454 | + $src_orig = $chosen_data_src; | |
| 455 | + $src = $src_orig; | |
| 456 | + } | |
| 446 | 457 | |
| 447 | - if ( $attachment_id ) { | |
| 448 | - $attachment = get_post( $attachment_id ); | |
| 458 | + // Check if image URL should be used with Photon. | |
| 459 | + if ( self::validate_image_url( $src ) ) { | |
| 460 | + $width = $processor->get_attribute( 'width' ); | |
| 461 | + $height = $processor->get_attribute( 'height' ); | |
| 449 | 462 | |
| 450 | - // Basic check on returned post object. | |
| 451 | - if ( is_object( $attachment ) && ! is_wp_error( $attachment ) && 'attachment' === $attachment->post_type ) { | |
| 452 | - $src_per_wp = wp_get_attachment_image_src( $attachment_id, isset( $size ) ? $size : 'full' ); | |
| 463 | + // First, check the image tag. Note we only check for pixel sizes now; HTML4 percentages have never been correctly | |
| 464 | + // supported, so we stopped pretending to support them in JP 9.1.0. | |
| 465 | + if ( ! is_string( $width ) || ! ctype_digit( $width ) ) { | |
| 466 | + $width = false; | |
| 467 | + } | |
| 453 | 468 | |
| 454 | - if ( self::validate_image_url( $src_per_wp[0] ) ) { | |
| 455 | - $src = $src_per_wp[0]; | |
| 456 | - $fullsize_url = true; | |
| 469 | + if ( ! is_string( $height ) || ! ctype_digit( $height ) ) { | |
| 470 | + $height = false; | |
| 471 | + } | |
| 457 | 472 | |
| 458 | - // Prevent image distortion if a detected dimension exceeds the image's natural dimensions. | |
| 459 | - if ( ( false !== $width && $width > $src_per_wp[1] ) || ( false !== $height && $height > $src_per_wp[2] ) ) { | |
| 460 | - $width = false === $width ? false : min( $width, $src_per_wp[1] ); | |
| 461 | - $height = false === $height ? false : min( $height, $src_per_wp[2] ); | |
| 462 | - } | |
| 473 | + $needs_sizing = false === $width && false === $height; | |
| 474 | + $size = null; | |
| 463 | 475 | |
| 464 | - // If no width and height are found, max out at source image's natural dimensions. | |
| 465 | - // Otherwise, respect registered image sizes' cropping setting. | |
| 466 | - if ( false === $width && false === $height ) { | |
| 467 | - $width = $src_per_wp[1]; | |
| 468 | - $height = $src_per_wp[2]; | |
| 469 | - $transform = 'fit'; | |
| 470 | - } elseif ( isset( $size ) && array_key_exists( $size, $image_sizes ) && isset( $image_sizes[ $size ]['crop'] ) ) { | |
| 471 | - $transform = (bool) $image_sizes[ $size ]['crop'] ? 'resize' : 'fit'; | |
| 472 | - } | |
| 473 | - } | |
| 474 | - } else { | |
| 475 | - unset( $attachment_id ); | |
| 476 | - unset( $attachment ); | |
| 477 | - } | |
| 476 | + if ( $needs_sizing ) { | |
| 477 | + // Find the first CSS class listed with a prefix of `size-`, e.g. `size-full-width` | |
| 478 | + foreach ( $processor->class_list() ?? array() as $class_name ) { | |
| 479 | + if ( str_starts_with( $class_name, 'size-' ) ) { | |
| 480 | + $size = substr( $class_name, strlen( 'size-' ) ); | |
| 481 | + break; | |
| 478 | 482 | } |
| 479 | 483 | } |
| 484 | + } | |
| 480 | 485 | |
| 481 | - // If image tag lacks width and height arguments, try to determine from strings WP appends to resized image filenames. | |
| 482 | - if ( false === $width && false === $height ) { | |
| 483 | - list( $width, $height ) = self::parse_dimensions_from_filename( $src ); | |
| 486 | + if ( $needs_sizing && 'full' !== $size && is_string( $size ) && isset( $image_sizes[ $size ] ) && is_array( $image_sizes[ $size ] ) ) { | |
| 487 | + $width = (int) $image_sizes[ $size ]['width']; | |
| 488 | + $height = (int) $image_sizes[ $size ]['height']; | |
| 489 | + $transform = $image_sizes[ $size ]['crop'] ? 'resize' : 'fit'; | |
| 490 | + } else { | |
| 491 | + unset( $size ); | |
| 492 | + } | |
| 493 | + | |
| 494 | + // WP Attachment ID, if uploaded to this site. | |
| 495 | + $attachment_id = null; | |
| 496 | + foreach ( $processor->class_list() ?? array() as $class_name ) { | |
| 497 | + if ( str_starts_with( $class_name, 'wp-image-' ) ) { | |
| 498 | + $attachment_id = substr( $class_name, strlen( 'wp-image-' ) ); | |
| 499 | + break; | |
| 484 | 500 | } |
| 501 | + } | |
| 485 | 502 | |
| 486 | - $width_orig = $width; | |
| 487 | - $height_orig = $height; | |
| 488 | - $transform_orig = $transform; | |
| 503 | + // These values have not been used for a very long time, but removing them could break something. | |
| 504 | + $images = array(); | |
| 505 | + $index = 0; | |
| 506 | + if ( | |
| 507 | + $attachment_id && | |
| 508 | + preg_match( '#^[1-9][0-9]*$#', $attachment_id ) && | |
| 509 | + is_array( $upload_dir ) && | |
| 510 | + str_starts_with( $src, $upload_dir['baseurl'] ) && | |
| 511 | + /** | |
| 512 | + * Filter whether an image using an attachment ID in its class has to be uploaded to the local site to go through Photon. | |
| 513 | + * | |
| 514 | + * @module photon | |
| 515 | + * | |
| 516 | + * @since 2.0.3 | |
| 517 | + * | |
| 518 | + * @param bool false Was the image uploaded to the local site. Default to false. | |
| 519 | + * @param array $args { | |
| 520 | + * Array of image details. | |
| 521 | + * | |
| 522 | + * @type $src Image URL. | |
| 523 | + * @type tag Image tag (Image HTML output). | |
| 524 | + * } | |
| 525 | + */ | |
| 526 | + apply_filters( 'jetpack_photon_image_is_local', false, compact( 'src', 'tag', 'images', 'index' ) ) | |
| 527 | + ) { | |
| 528 | + $attachment_id = (int) $attachment_id; | |
| 529 | + $attachment = get_post( $attachment_id ); | |
| 489 | 530 | |
| 490 | - // If width is available, constrain to $content_width. | |
| 491 | - if ( false !== $width && is_numeric( $content_width ) && $width > $content_width ) { | |
| 492 | - if ( false !== $height ) { | |
| 493 | - $height = round( ( $content_width * $height ) / $width ); | |
| 494 | - } | |
| 495 | - $width = $content_width; | |
| 496 | - } | |
| 531 | + // Basic check on returned post object. | |
| 532 | + if ( is_object( $attachment ) && ! is_wp_error( $attachment ) && 'attachment' === $attachment->post_type ) { | |
| 533 | + $src_per_wp = wp_get_attachment_image_src( $attachment_id, $size ?? 'full' ); | |
| 497 | 534 | |
| 498 | - // Set a width if none is found and $content_width is available. | |
| 499 | - // If width is set in this manner and height is available, use `fit` instead of `resize` to prevent skewing. | |
| 500 | - if ( false === $width && is_numeric( $content_width ) ) { | |
| 501 | - $width = (int) $content_width; | |
| 535 | + if ( self::validate_image_url( $src_per_wp[0] ) ) { | |
| 536 | + $src = $src_per_wp[0]; | |
| 537 | + $fullsize_url = true; | |
| 502 | 538 | |
| 503 | - if ( false !== $height ) { | |
| 504 | - $transform = 'fit'; | |
| 539 | + // Prevent image distortion if a detected dimension exceeds the image's natural dimensions. | |
| 540 | + if ( ( false !== $width && $width > $src_per_wp[1] ) || ( false !== $height && $height > $src_per_wp[2] ) ) { | |
| 541 | + $width = false === $width ? false : min( $width, $src_per_wp[1] ); | |
| 542 | + $height = false === $height ? false : min( $height, $src_per_wp[2] ); | |
| 543 | + } | |
| 544 | + | |
| 545 | + // If no width and height are found, max out at source image's natural dimensions. | |
| 546 | + // Otherwise, respect registered image sizes' cropping setting. | |
| 547 | + if ( false === $width && false === $height ) { | |
| 548 | + $width = $src_per_wp[1]; | |
| 549 | + $height = $src_per_wp[2]; | |
| 550 | + $transform = 'fit'; | |
| 551 | + } elseif ( isset( $size ) && is_array( $image_sizes ) && array_key_exists( $size, $image_sizes ) && isset( $image_sizes[ $size ]['crop'] ) ) { | |
| 552 | + $transform = $image_sizes[ $size ]['crop'] ? 'resize' : 'fit'; | |
| 553 | + } | |
| 505 | 554 | } |
| 555 | + } else { | |
| 556 | + unset( $attachment_id ); | |
| 557 | + unset( $attachment ); | |
| 506 | 558 | } |
| 559 | + } | |
| 507 | 560 | |
| 508 | - // Detect if image source is for a custom-cropped thumbnail and prevent further URL manipulation. | |
| 509 | - if ( ! $fullsize_url && preg_match_all( '#-e[a-z0-9]+(-\d+x\d+)?\.(' . implode( '|', self::$extensions ) . '){1}$#i', basename( $src ), $filename ) ) { | |
| 510 | - $fullsize_url = true; | |
| 511 | - } | |
| 561 | + // If image tag lacks width and height arguments, try to determine from strings WP appends to resized image filenames. | |
| 562 | + if ( false === $width && false === $height ) { | |
| 563 | + list( $width, $height ) = self::parse_dimensions_from_filename( $src ); | |
| 564 | + } | |
| 512 | 565 | |
| 513 | - // Build URL, first maybe removing WP's resized string so we pass the original image to Photon. | |
| 514 | - if ( ! $fullsize_url && str_starts_with( $src, $upload_dir['baseurl'] ) ) { | |
| 515 | - $src = self::strip_image_dimensions_maybe( $src ); | |
| 566 | + $width_orig = $width; | |
| 567 | + $height_orig = $height; | |
| 568 | + $transform_orig = $transform; | |
| 569 | + | |
| 570 | + // If width is available, constrain to $content_width. | |
| 571 | + if ( false !== $width && is_numeric( $content_width ) && $width > $content_width ) { | |
| 572 | + if ( false !== $height ) { | |
| 573 | + $height = round( ( $content_width * $height ) / $width ); | |
| 516 | 574 | } |
| 575 | + $width = $content_width; | |
| 576 | + } | |
| 517 | 577 | |
| 518 | - // Build array of Photon args and expose to filter before passing to Photon URL function. | |
| 519 | - $args = array(); | |
| 578 | + // Set a width if none is found and $content_width is available. | |
| 579 | + // If width is set in this manner and height is available, use `fit` instead of `resize` to prevent skewing. | |
| 580 | + if ( false === $width && is_numeric( $content_width ) ) { | |
| 581 | + $width = (int) $content_width; | |
| 520 | 582 | |
| 521 | - if ( false !== $width && false !== $height ) { | |
| 522 | - $args[ $transform ] = $width . ',' . $height; | |
| 523 | - } elseif ( false !== $width ) { | |
| 524 | - $args['w'] = $width; | |
| 525 | - } elseif ( false !== $height ) { | |
| 526 | - $args['h'] = $height; | |
| 583 | + if ( false !== $height ) { | |
| 584 | + $transform = 'fit'; | |
| 527 | 585 | } |
| 586 | + } | |
| 528 | 587 | |
| 529 | - /** | |
| 530 | - * Filter the array of Photon arguments added to an image when it goes through Photon. | |
| 531 | - * By default, only includes width and height values. | |
| 532 | - * | |
| 533 | - * @see https://developer.wordpress.com/docs/photon/api/ | |
| 534 | - * | |
| 535 | - * @module photon | |
| 536 | - * | |
| 537 | - * @since 2.0.0 | |
| 538 | - * | |
| 539 | - * @param array $args Array of Photon Arguments. | |
| 540 | - * @param array $details { | |
| 541 | - * Array of image details. | |
| 542 | - * | |
| 543 | - * @type string $tag Image tag (Image HTML output). | |
| 544 | - * @type string $src Image URL. | |
| 545 | - * @type string $src_orig Original Image URL. | |
| 546 | - * @type int|false $width Image width. | |
| 547 | - * @type int|false $height Image height. | |
| 548 | - * @type int|false $width_orig Original image width before constrained by content_width. | |
| 549 | - * @type int|false $height_orig Original Image height before constrained by content_width. | |
| 550 | - * @type string $transform Transform. | |
| 551 | - * @type string $transform_orig Original transform before constrained by content_width. | |
| 552 | - * } | |
| 553 | - */ | |
| 554 | - $args = apply_filters( 'jetpack_photon_post_image_args', $args, compact( 'tag', 'src', 'src_orig', 'width', 'height', 'width_orig', 'height_orig', 'transform', 'transform_orig' ) ); | |
| 588 | + // Detect if image source is for a custom-cropped thumbnail and prevent further URL manipulation. | |
| 589 | + if ( ! $fullsize_url && preg_match_all( '#-e[a-z0-9]+(-\d+x\d+)?\.(' . implode( '|', self::$extensions ) . '){1}$#i', basename( $src ), $filename ) ) { | |
| 590 | + $fullsize_url = true; | |
| 591 | + } | |
| 555 | 592 | |
| 556 | - $photon_url = Image_CDN_Core::cdn_url( $src, $args ); | |
| 593 | + // Build URL, first maybe removing WP's resized string so we pass the original image to Photon. | |
| 594 | + if ( ! $fullsize_url && is_array( $upload_dir ) && str_starts_with( $src, $upload_dir['baseurl'] ) ) { | |
| 595 | + $src = self::strip_image_dimensions_maybe( $src ); | |
| 596 | + } | |
| 557 | 597 | |
| 558 | - // Modify image tag if Photon function provides a URL | |
| 559 | - // Ensure changes are only applied to the current image by copying and modifying the matched tag, then replacing the entire tag with our modified version. | |
| 560 | - if ( $src !== $photon_url ) { | |
| 561 | - $new_tag = $tag; | |
| 598 | + // Build array of Photon args and expose to filter before passing to Photon URL function. | |
| 599 | + $args = array(); | |
| 562 | 600 | |
| 563 | - // If present, replace the link href with a Photoned URL for the full-size image. | |
| 564 | - if ( ! empty( $images['link_url'][ $index ] ) && self::validate_image_url( $images['link_url'][ $index ] ) ) { | |
| 565 | - $new_tag = preg_replace( '#(href=["|\'])' . preg_quote( $images['link_url'][ $index ], '#' ) . '(["|\'])#i', '\1' . Image_CDN_Core::cdn_url( $images['link_url'][ $index ] ) . '\2', $new_tag, 1 ); | |
| 566 | - } | |
| 601 | + if ( false !== $width && false !== $height ) { | |
| 602 | + $args[ $transform ] = $width . ',' . $height; | |
| 603 | + } elseif ( false !== $width ) { | |
| 604 | + $args['w'] = $width; | |
| 605 | + } elseif ( false !== $height ) { | |
| 606 | + $args['h'] = $height; | |
| 607 | + } | |
| 567 | 608 | |
| 568 | - // Supplant the original source value with our Photon URL. | |
| 569 | - $photon_url = esc_url( $photon_url ); | |
| 570 | - $new_tag = str_replace( $src_orig, $photon_url, $new_tag ); | |
| 609 | + /** | |
| 610 | + * Filter the array of Photon arguments added to an image when it goes through Photon. | |
| 611 | + * By default, only includes width and height values. | |
| 612 | + * | |
| 613 | + * @see https://developer.wordpress.com/docs/photon/api/ | |
| 614 | + * | |
| 615 | + * @module photon | |
| 616 | + * | |
| 617 | + * @since 2.0.0 | |
| 618 | + * @since 0.4.7 Passes image tag name instead of full HTML of tag. | |
| 619 | + * | |
| 620 | + * @param array $args Array of Photon Arguments. | |
| 621 | + * @param array $details { | |
| 622 | + * Array of image details. | |
| 623 | + * | |
| 624 | + * @type string $tag Image tag (Image HTML output). | |
| 625 | + * @type string $src Image URL. | |
| 626 | + * @type string $src_orig Original Image URL. | |
| 627 | + * @type int|false $width Image width. | |
| 628 | + * @type int|false $height Image height. | |
| 629 | + * @type int|false $width_orig Original image width before constrained by content_width. | |
| 630 | + * @type int|false $height_orig Original Image height before constrained by content_width. | |
| 631 | + * @type string $transform Transform. | |
| 632 | + * @type string $transform_orig Original transform before constrained by content_width. | |
| 633 | + * } | |
| 634 | + */ | |
| 635 | + $args = apply_filters( 'jetpack_photon_post_image_args', $args, compact( 'tag', 'src', 'src_orig', 'width', 'height', 'width_orig', 'height_orig', 'transform', 'transform_orig' ) ); | |
| 571 | 636 | |
| 572 | - // If Lazy Load is in use, pass placeholder image through Photon. | |
| 573 | - if ( isset( $placeholder_src ) && self::validate_image_url( $placeholder_src ) ) { | |
| 574 | - $placeholder_src = Image_CDN_Core::cdn_url( $placeholder_src ); | |
| 637 | + $photon_url = Image_CDN_Core::cdn_url( $src, $args ); | |
| 575 | 638 | |
| 576 | - if ( $placeholder_src !== $placeholder_src_orig ) { | |
| 577 | - $new_tag = str_replace( $placeholder_src_orig, esc_url( $placeholder_src ), $new_tag ); | |
| 578 | - } | |
| 639 | + // Modify image tag if Photon function provides a URL | |
| 640 | + // Ensure changes are only applied to the current image by copying and modifying the matched tag, then replacing the entire tag with our modified version. | |
| 641 | + if ( $src !== $photon_url ) { | |
| 642 | + // If present, replace the link href with a Photoned URL for the full-size image. | |
| 643 | + if ( is_string( $nearest_preceding_href ) && self::validate_image_url( $nearest_preceding_href ) ) { | |
| 644 | + $processor->seek( 'link' ); | |
| 645 | + $processor->set_attribute( 'href', Image_CDN_Core::cdn_url( $nearest_preceding_href ) ); | |
| 646 | + $processor->seek( 'image' ); | |
| 647 | + } | |
| 579 | 648 | |
| 580 | - unset( $placeholder_src ); | |
| 581 | - } | |
| 649 | + // Supplant the original source value with our Photon URL. | |
| 650 | + $processor->set_attribute( 'src', $photon_url ); | |
| 582 | 651 | |
| 583 | - // If we are not transforming the image with resize, fit, or letterbox (lb), then we should remove | |
| 584 | - // the width and height arguments (including HTML4 percentages) from the image to prevent distortion. | |
| 585 | - // Even if $args['w'] and $args['h'] are present, Photon does not crop to those dimensions. Instead, | |
| 586 | - // it appears to favor height. | |
| 587 | - // | |
| 588 | - // If we are transforming the image via one of those methods, let's update the width and height attributes. | |
| 589 | - if ( empty( $args['resize'] ) && empty( $args['fit'] ) && empty( $args['lb'] ) ) { | |
| 590 | - $new_tag = preg_replace( '#(?<=\s)(width|height)=["\']?[\d%]+["\']?\s?#i', '', $new_tag ); | |
| 591 | - } else { | |
| 592 | - $resize_args = isset( $args['resize'] ) ? $args['resize'] : false; | |
| 593 | - if ( false === $resize_args ) { | |
| 594 | - $resize_args = ( ! $resize_args && isset( $args['fit'] ) ) | |
| 595 | - ? $args['fit'] | |
| 596 | - : false; | |
| 597 | - } | |
| 598 | - if ( false === $resize_args ) { | |
| 599 | - $resize_args = ( ! $resize_args && isset( $args['lb'] ) ) | |
| 600 | - ? $args['lb'] | |
| 601 | - : false; | |
| 602 | - } | |
| 652 | + // If Lazy Load is in use, pass placeholder image through Photon. | |
| 653 | + if ( $placeholder_src !== null && self::validate_image_url( $placeholder_src ) ) { | |
| 654 | + $placeholder_src = Image_CDN_Core::cdn_url( $placeholder_src ); | |
| 603 | 655 | |
| 604 | - $resize_args = array_map( 'trim', explode( ',', $resize_args ) ); | |
| 656 | + if ( $placeholder_src !== $placeholder_src_orig ) { | |
| 657 | + $processor->set_attribute( $source_type, $placeholder_src ); | |
| 658 | + } | |
| 659 | + } | |
| 605 | 660 | |
| 606 | - // (?<=\s) - Ensure width or height attribute is preceded by a space | |
| 607 | - // (width=["\']?) - Matches, and captures, width=, width=", or width=' | |
| 608 | - // [\d%]+ - Matches 1 or more digits or percent signs | |
| 609 | - // (["\']?) - Matches, and captures, ", ', or empty string | |
| 610 | - // \s - Ensures there's a space after the attribute | |
| 611 | - $new_tag = preg_replace( '#(?<=\s)(width=["\']?)[\d%]+(["\']?)\s?#i', sprintf( '${1}%d${2} ', $resize_args[0] ), $new_tag ); | |
| 612 | - $new_tag = preg_replace( '#(?<=\s)(height=["\']?)[\d%]+(["\']?)\s?#i', sprintf( '${1}%d${2} ', $resize_args[1] ), $new_tag ); | |
| 661 | + // If we are not transforming the image with resize, fit, or letterbox (lb), then we should remove | |
| 662 | + // the width and height arguments (including HTML4 percentages) from the image to prevent distortion. | |
| 663 | + // Even if $args['w'] and $args['h'] are present, Photon does not crop to those dimensions. Instead, | |
| 664 | + // it appears to favor height. | |
| 665 | + // | |
| 666 | + // If we are transforming the image via one of those methods, let's update the width and height attributes. | |
| 667 | + if ( empty( $args['resize'] ) && empty( $args['fit'] ) && empty( $args['lb'] ) ) { | |
| 668 | + $processor->remove_attribute( 'width' ); | |
| 669 | + $processor->remove_attribute( 'height' ); | |
| 670 | + } else { | |
| 671 | + $resize_args = $args['resize'] ?? false; | |
| 672 | + if ( false === $resize_args ) { | |
| 673 | + $resize_args = ( ! $resize_args && isset( $args['fit'] ) ) | |
| 674 | + ? $args['fit'] | |
| 675 | + : false; | |
| 613 | 676 | } |
| 614 | - | |
| 615 | - // Tag an image for dimension checking. | |
| 616 | - if ( ! self::is_amp_endpoint() ) { | |
| 617 | - $new_tag = preg_replace( '#(\s?/)?>(\s*</a>)?$#i', ' data-recalc-dims="1"\1>\2', $new_tag ); | |
| 677 | + if ( false === $resize_args ) { | |
| 678 | + $resize_args = ( ! $resize_args && isset( $args['lb'] ) ) | |
| 679 | + ? $args['lb'] | |
| 680 | + : false; | |
| 618 | 681 | } |
| 619 | 682 | |
| 620 | - // Replace original tag with modified version. | |
| 621 | - $content = str_replace( $tag, $new_tag, $content ); | |
| 683 | + list( $resize_width, $resize_height ) = explode( ',', $resize_args ); | |
| 684 | + $processor->set_attribute( 'width', trim( $resize_width ) ); | |
| 685 | + $processor->set_attribute( 'height', trim( $resize_height ) ); | |
| 622 | 686 | } |
| 623 | - } elseif ( preg_match( '#^http(s)?://i[\d]{1}.wp.com#', $src ) && ! empty( $images['link_url'][ $index ] ) && self::validate_image_url( $images['link_url'][ $index ] ) ) { | |
| 624 | - $new_tag = preg_replace( '#(href=["\'])' . preg_quote( $images['link_url'][ $index ], '#' ) . '(["\'])#i', '\1' . Image_CDN_Core::cdn_url( $images['link_url'][ $index ] ) . '\2', $tag, 1 ); | |
| 625 | 687 | |
| 626 | - $content = str_replace( $tag, $new_tag, $content ); | |
| 688 | + // Tag an image for dimension checking. | |
| 689 | + if ( ! self::is_amp_endpoint() ) { | |
| 690 | + $processor->set_attribute( 'data-recalc-dims', '1' ); | |
| 691 | + } | |
| 627 | 692 | } |
| 693 | + } elseif ( | |
| 694 | + preg_match( '#^http(s)?://i[\d]{1}.wp.com#', $src ) | |
| 695 | + && is_string( $nearest_preceding_href ) | |
| 696 | + && self::validate_image_url( $nearest_preceding_href ) | |
| 697 | + ) { | |
| 698 | + $processor->seek( 'link' ); | |
| 699 | + $processor->set_attribute( 'href', Image_CDN_Core::cdn_url( $nearest_preceding_href ) ); | |
| 700 | + $processor->seek( 'image' ); | |
| 628 | 701 | } |
| 629 | 702 | } |
| 630 | 703 | |
| 631 | - return $content; | |
| 704 | + return $processor->get_updated_html(); | |
| 632 | 705 | } |
| 633 | 706 | |
| 634 | 707 | /** |
| 635 | 708 | * Filter Core galleries |
| @@ -747,12 +820,13 @@ | ||
| 747 | 820 | } |
| 748 | 821 | |
| 749 | 822 | $intermediate = true; // For the fourth array item returned by the image_downsize filter. |
| 750 | 823 | |
| 824 | + $registered_size = self::find_registered_image_size( $size ); | |
| 825 | + | |
| 751 | 826 | // If an image is requested with a size known to WordPress, use that size's settings with Photon. |
| 752 | - // WP states that `add_image_size()` should use a string for the name, but doesn't enforce that. | |
| 753 | - // Due to differences in how Core and Photon check for the registered image size, we check both types. | |
| 754 | - if ( ( is_string( $size ) || is_int( $size ) ) && array_key_exists( $size, self::image_sizes() ) ) { | |
| 827 | + if ( $registered_size ) { | |
| 828 | + $size = $registered_size; | |
| 755 | 829 | $image_args = self::image_sizes(); |
| 756 | 830 | $image_args = $image_args[ $size ]; |
| 757 | 831 | |
| 758 | 832 | $photon_args = array(); |
| @@ -769,9 +843,13 @@ | ||
| 769 | 843 | $image_meta = wp_get_attachment_metadata( $attachment_id ); |
| 770 | 844 | |
| 771 | 845 | if ( isset( $image_meta['width'] ) && isset( $image_meta['height'] ) ) { |
| 772 | 846 | $image_resized = image_resize_dimensions( $image_meta['width'], $image_meta['height'], $image_args['width'], $image_args['height'], $image_args['crop'] ); |
| 773 | - if ( $image_resized ) { // This could be false when the requested image size is larger than the full-size image. | |
| 847 | + if ( | |
| 848 | + $image_resized // This could be false when the requested image size is larger than the full-size image. | |
| 849 | + && isset( $image_resized[6] ) // This key can be manipulated by the `image_resize_dimensions` filter | |
| 850 | + && isset( $image_resized[7] ) // This key can be manipulated by the `image_resize_dimensions` filter | |
| 851 | + ) { | |
| 774 | 852 | $image_meta['width'] = $image_resized[6]; |
| 775 | 853 | $image_meta['height'] = $image_resized[7]; |
| 776 | 854 | } |
| 777 | 855 | } |
| @@ -906,13 +984,13 @@ | ||
| 906 | 984 | |
| 907 | 985 | /** |
| 908 | 986 | * Filters an array of image `srcset` values, replacing each URL with its Photon equivalent. |
| 909 | 987 | * |
| 910 | - * @param array $sources An array of image urls and widths. | |
| 911 | - * @param array $size_array The size array for srcset. | |
| 912 | - * @param array $image_src The image srcs. | |
| 913 | - * @param array $image_meta The image meta. | |
| 914 | - * @param int $attachment_id Attachment ID. | |
| 988 | + * @param array $sources An array of image urls and widths. | |
| 989 | + * @param array $size_array The size array for srcset. | |
| 990 | + * @param string $image_src The image src attribute. | |
| 991 | + * @param array $image_meta The image meta. | |
| 992 | + * @param int $attachment_id Attachment ID. | |
| 915 | 993 | * |
| 916 | 994 | * @uses self::validate_image_url, Image_CDN_Core::cdn_url |
| 917 | 995 | * @uses Image_CDN::strip_image_dimensions_maybe, Image_CDN_Core::get_jetpack_content_width |
| 918 | 996 | * |
| @@ -917,9 +995,14 @@ | ||
| 917 | 995 | * @uses Image_CDN::strip_image_dimensions_maybe, Image_CDN_Core::get_jetpack_content_width |
| 918 | 996 | * |
| 919 | 997 | * @return array An array of Photon image urls and widths. |
| 920 | 998 | */ |
| 921 | - public function filter_srcset_array( $sources = array(), $size_array = array(), $image_src = array(), $image_meta = array(), $attachment_id = 0 ) { | |
| 999 | + public function filter_srcset_array( $sources = array(), $size_array = array(), $image_src = '', $image_meta = array(), $attachment_id = 0 ) { | |
| 1000 | + // Check if we are supposed to skip the main image. | |
| 1001 | + if ( $this->photon_should_skip_image( $image_src ) ) { | |
| 1002 | + return $sources; | |
| 1003 | + } | |
| 1004 | + | |
| 922 | 1005 | if ( ! is_array( $sources ) || array() === $sources ) { |
| 923 | 1006 | return $sources; |
| 924 | 1007 | } |
| 925 | 1008 | $upload_dir = wp_get_upload_dir(); |
| @@ -1006,9 +1089,9 @@ | ||
| 1006 | 1089 | $newsources = null; |
| 1007 | 1090 | |
| 1008 | 1091 | foreach ( $multipliers as $multiplier ) { |
| 1009 | 1092 | |
| 1010 | - $newwidth = $base * $multiplier; | |
| 1093 | + $newwidth = (int) round( $base * $multiplier ); | |
| 1011 | 1094 | foreach ( $currentwidths as $currentwidth ) { |
| 1012 | 1095 | // If a new width would be within 100 pixes of an existing one or larger than the full size image, skip. |
| 1013 | 1096 | if ( abs( $currentwidth - $newwidth ) < 50 || ( $newwidth > $fullwidth ) ) { |
| 1014 | 1097 | continue 2; // Bump out back to the $multipliers as $multiplier. |
| @@ -1042,14 +1125,20 @@ | ||
| 1042 | 1125 | |
| 1043 | 1126 | /** |
| 1044 | 1127 | * Filters an array of image `sizes` values, using $content_width instead of image's full size. |
| 1045 | 1128 | * |
| 1046 | - * @param array $sizes An array of media query breakpoints. | |
| 1047 | - * @param array $size Width and height of the image. | |
| 1129 | + * @param array $sizes An array of media query breakpoints. | |
| 1130 | + * @param array $size Width and height of the image. | |
| 1131 | + * @param string $image_url The image URL. | |
| 1132 | + * | |
| 1048 | 1133 | * @uses Jetpack::get_content_width |
| 1049 | 1134 | * @return array An array of media query breakpoints. |
| 1050 | 1135 | */ |
| 1051 | - public function filter_sizes( $sizes, $size ) { | |
| 1136 | + public function filter_sizes( $sizes, $size, $image_url ) { | |
| 1137 | + if ( $this->photon_should_skip_image( $image_url ) ) { | |
| 1138 | + return $sizes; | |
| 1139 | + } | |
| 1140 | + | |
| 1052 | 1141 | if ( ! doing_filter( 'the_content' ) ) { |
| 1053 | 1142 | return $sizes; |
| 1054 | 1143 | } |
| 1055 | 1144 | $content_width = Image_CDN_Core::get_jetpack_content_width(); |
| @@ -1064,8 +1153,19 @@ | ||
| 1064 | 1153 | return sprintf( '(max-width: %1$dpx) 100vw, %1$dpx', $content_width ); |
| 1065 | 1154 | } |
| 1066 | 1155 | |
| 1067 | 1156 | /** |
| 1157 | + * Whether to skip the image from being processed by Photon. | |
| 1158 | + * | |
| 1159 | + * @param string $image_url The image URL. | |
| 1160 | + * | |
| 1161 | + * @return bool Whether to skip the image. | |
| 1162 | + */ | |
| 1163 | + private function photon_should_skip_image( $image_url ) { | |
| 1164 | + return apply_filters( 'jetpack_photon_skip_image', false, $image_url, null ); | |
| 1165 | + } | |
| 1166 | + | |
| 1167 | + /** | |
| 1068 | 1168 | * * GENERAL FUNCTIONS |
| 1069 | 1169 | **/ |
| 1070 | 1170 | |
| 1071 | 1171 | /** |
| @@ -1228,29 +1328,29 @@ | ||
| 1228 | 1328 | return is_array( self::$image_sizes ) ? self::$image_sizes : array(); |
| 1229 | 1329 | } |
| 1230 | 1330 | |
| 1231 | 1331 | /** |
| 1232 | - * Enqueue Photon helper script | |
| 1332 | + * Find registered image size name if it exists. | |
| 1233 | 1333 | * |
| 1234 | - * @uses wp_enqueue_script, plugins_url | |
| 1235 | - * @action wp_enqueue_script | |
| 1236 | - * @return null | |
| 1334 | + * @param string|int|int[] $size Image size name if registered, or false if not. | |
| 1237 | 1335 | */ |
| 1238 | - public function action_wp_enqueue_scripts() { | |
| 1239 | - if ( self::is_amp_endpoint() ) { | |
| 1240 | - return; | |
| 1336 | + protected static function find_registered_image_size( $size ) { | |
| 1337 | + $sizes = self::image_sizes(); | |
| 1338 | + | |
| 1339 | + // WP states that `add_image_size()` should use a string for the name, but doesn't enforce that. | |
| 1340 | + if ( ( is_string( $size ) || is_int( $size ) ) && array_key_exists( $size, self::image_sizes() ) ) { | |
| 1341 | + return $size; | |
| 1241 | 1342 | } |
| 1242 | 1343 | |
| 1243 | - Assets::register_script( | |
| 1244 | - 'jetpack-photon', | |
| 1245 | - '../dist/image-cdn.js', | |
| 1246 | - __FILE__, | |
| 1247 | - array( | |
| 1248 | - 'enqueue' => true, | |
| 1249 | - 'nonminpath' => 'js/image-cdn.js', | |
| 1250 | - 'in_footer' => true, | |
| 1251 | - ) | |
| 1252 | - ); | |
| 1344 | + if ( is_array( $size ) && isset( $size[0] ) && isset( $size[1] ) ) { | |
| 1345 | + foreach ( $sizes as $name => $args ) { | |
| 1346 | + if ( $args['width'] === $size[0] && $args['height'] === $size[1] ) { | |
| 1347 | + return $name; | |
| 1348 | + } | |
| 1349 | + } | |
| 1350 | + } | |
| 1351 | + | |
| 1352 | + return false; | |
| 1253 | 1353 | } |
| 1254 | 1354 | |
| 1255 | 1355 | /** |
| 1256 | 1356 | * Determine if image_downsize should utilize Photon via REST API. |
| @@ -1374,6 +1474,15 @@ | ||
| 1374 | 1474 | * @return bool Whether AMP page. |
| 1375 | 1475 | */ |
| 1376 | 1476 | private static function is_amp_endpoint() { |
| 1377 | 1477 | return class_exists( '\Jetpack_AMP_Support' ) && \Jetpack_AMP_Support::is_amp_request(); |
| 1478 | + } | |
| 1479 | + | |
| 1480 | + /** | |
| 1481 | + * Get the list of supported image extensions | |
| 1482 | + * | |
| 1483 | + * @return string[] Array of supported extensions | |
| 1484 | + */ | |
| 1485 | + public static function get_supported_extensions() { | |
| 1486 | + return self::$extensions; | |
| 1378 | 1487 | } |
| 1379 | 1488 | } |