%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* The class handles the url replacements.
*
* @package \Optml\Inc
* @author Optimole <friends@optimole.com>
*/
final class Optml_Url_Replacer extends Optml_App_Replacer {
use Optml_Validator;
use Optml_Normalizer;
/**
* Cached object instance.
*
* @var Optml_Url_Replacer
*/
protected static $instance = null;
/**
* Class instance method.
*
* @codeCoverageIgnore
* @static
* @return Optml_Url_Replacer
* @since 1.0.0
* @access public
*/
public static function instance() {
if ( null === self::$instance ) {
self::$instance = new self();
add_action( 'optml_replacer_setup', [ self::$instance, 'init' ] );
}
return self::$instance;
}
/**
* A filter which turns a local url into an optimized CDN image url or an array of image urls.
*
* @param string $url The url which should be replaced.
*
* @return string Replaced url.
*/
public function replace_option_url( $url ) {
if ( empty( $url ) ) {
return $url;
}
// $url might be an array or an json encoded array with urls.
if ( is_array( $url ) || filter_var( $url, FILTER_VALIDATE_URL ) === false ) {
$array = $url;
$encoded = false;
// it might a json encoded array
if ( is_string( $url ) ) {
$array = json_decode( $url, true );
$encoded = true;
}
// in case there is an array, apply it recursively.
if ( is_array( $array ) ) {
foreach ( $array as $index => $value ) {
$array[ $index ] = $this->replace_option_url( $value );
}
if ( $encoded ) {
return json_encode( $array );
}
return $array;
}
if ( filter_var( $url, FILTER_VALIDATE_URL ) === false ) {
return $url;
}
}
return apply_filters( 'optml_content_url', $url );
}
/**
* The initialize method.
*/
public function init() {
add_filter( 'optml_replace_image', [ $this, 'build_url' ], 10, 2 );
parent::init();
Optml_Quality::$default_quality = $this->to_accepted_quality( $this->settings->get_quality() );
Optml_Image::$watermark = new Optml_Watermark( $this->settings->get_site_settings()['watermark'] );
Optml_Resize::$default_enlarge = apply_filters( 'optml_always_enlarge', false );
add_filter( 'optml_content_url', [ $this, 'build_url' ], 1, 2 );
}
/**
* Returns a signed image url authorized to be used in our CDN.
*
* @param string $url The url which should be signed.
* @param array $args Dimension params; Supports `width` and `height`.
*
* @return string
*/
public function build_url(
$url, $args = [
'width' => 'auto',
'height' => 'auto',
]
) {
if ( apply_filters( 'optml_dont_replace_url', false, $url ) ) {
return $url;
}
$original_url = $url;
$is_slashed = strpos( $url, '\/' ) !== false;
// We do a little hack here, for json unicode chars we first replace them with html special chars,
// we then strip slashes to normalize the URL and last we convert html special chars back to get a clean URL
$url = $is_slashed ? html_entity_decode( stripslashes( preg_replace( '/\\\u([\da-fA-F]{4})/', '&#x\1;', $url ) ) ) : ( $url );
$is_uploaded = Optml_Media_Offload::is_not_processed_image( $url );
if ( $is_uploaded === true ) {
$attachment_id = [];
preg_match( '/\/' . Optml_Media_Offload::KEYS['not_processed_flag'] . '([^\/]*)\//', $url, $attachment_id );
if ( ! isset( $attachment_id[1] ) ) {
return $url;
}
$id_and_filename = [];
preg_match( '/\/(' . Optml_Media_Offload::KEYS['uploaded_flag'] . '.*)/', $url, $id_and_filename );
if ( isset( $id_and_filename[0] ) ) {
$id_and_filename = $id_and_filename[0];
}
$sizes = Optml_Media_Offload::parse_dimension_from_optimized_url( $url );
if ( isset( $sizes[0] ) && $sizes[0] !== false ) {
$args['width'] = $sizes[0];
}
if ( isset( $sizes[1] ) && $sizes[1] !== false ) {
$args['height'] = $sizes[1];
}
$unoptimized_url = false;
if ( $attachment_id[1] === 'media_cloud' ) {
$tmp_url = explode( '/', $id_and_filename, 3 );
if ( isset( $tmp_url[2] ) ) {
$unoptimized_url = $tmp_url[2];
}
} else {
$unoptimized_url = Optml_Media_Offload::get_original_url( $attachment_id[1] );
}
if ( $unoptimized_url !== false ) {
$url = $unoptimized_url;
}
}
if ( strpos( $url, Optml_Config::$service_url ) !== false ) {
return $original_url;
}
if ( ! $this->can_replace_url( $url ) ) {
return $original_url;
}
// Remove any query strings that might affect conversion.
$url = strtok( $url, '?' );
$ext = $this->is_valid_mimetype_from_url( $url, self::$filters[ Optml_Settings::FILTER_TYPE_OPTIMIZE ][ Optml_Settings::FILTER_EXT ] );
if ( false === $ext ) {
return $original_url;
}
if ( isset( $args['quality'] ) && ! empty( $args['quality'] ) ) {
$args['quality'] = $this->to_accepted_quality( $args['quality'] );
}
if ( isset( $args['minify'] ) && ! empty( $args['minify'] ) ) {
$args['minify'] = $this->to_accepted_minify( $args['minify'] );
}
// this will authorize the image
if ( ! empty( $this->site_mappings ) ) {
$url = str_replace( array_keys( $this->site_mappings ), array_values( $this->site_mappings ), $url );
}
if ( substr( $url, 0, 2 ) === '//' ) {
$url = sprintf( '%s:%s', is_ssl() ? 'https' : 'http', $url );
}
$normalized_ext = strtolower( $ext );
if ( isset( Optml_Config::$image_extensions[ $normalized_ext ] ) ) {
$new_url = $this->normalize_image( $url, $original_url, $args, $is_uploaded, $normalized_ext );
if ( $is_uploaded ) {
$new_url = str_replace( '/' . $url, $id_and_filename, $new_url );
}
} else {
$new_url = ( new Optml_Asset( $url, $args, $this->active_cache_buster_assets, $this->is_css_minify_on, $this->is_js_minify_on ) )->get_url();
}
return $is_slashed ? addcslashes( $new_url, '/' ) : $new_url;
}
/**
* Apply extra normalization to image.
*
* @param string $url Image url.
* @param string $original_url Original image url.
* @param array $args Args.
*
* @return string
*/
private function normalize_image( $url, $original_url, $args, $is_uploaded = false, $ext = '' ) {
$new_url = $this->strip_image_size_from_url( $url );
if ( $new_url !== $url || $is_uploaded === true ) {
if ( ! isset( $args['quality'] ) || $args['quality'] !== 'eco' ) {
if ( $is_uploaded === true ) {
$crop = false;
}
if ( $is_uploaded !== true ) {
list($args['width'], $args['height'], $crop) = $this->parse_dimensions_from_filename( $url );
}
if ( ! $crop ) {
$sizes2crop = self::size_to_crop();
$crop = isset( $sizes2crop[ $args['width'] . $args['height'] ] ) ? $sizes2crop[ $args['width'] . $args['height'] ] : false;
}
if ( $crop ) {
$args['resize'] = $this->to_optml_crop( $crop );
}
}
$url = $new_url;
}
if ( ! isset( $args['width'] ) ) {
$args['width'] = 'auto';
}
if ( ! isset( $args['height'] ) ) {
$args['height'] = 'auto';
}
$args['width'] = (int) $args['width'];
$args['height'] = (int) $args['height'];
if ( $args['width'] > 0 && $args['height'] > 0 ) {
list( $args['width'], $args['height'] ) = wp_constrain_dimensions( $args['width'], $args['height'], $this->max_width, $this->max_height );
} elseif ( $args['width'] > 0 ) {
$args['width'] = $args['width'] > $this->max_width ? $this->max_width : $args['width'];
} elseif ( $args['height'] > 0 ) {
$args['height'] = $args['height'] > $this->max_height ? $this->max_height : $args['height'];
}
if ( isset( $args['resize'], $args['resize']['gravity'] ) && $this->settings->is_smart_cropping() ) {
$args['resize']['gravity'] = Optml_Resize::GRAVITY_SMART;
}
$args = apply_filters( 'optml_image_args', $args, $original_url );
$arguments = [
'apply_watermark' => apply_filters( 'optml_apply_watermark_for', true, $url ),
];
if ( isset( $args['format'] ) && ! empty( $args['format'] ) ) {
$arguments['format'] = $args['format'];
}
if ( empty( $arguments['format'] ) && $this->settings->get( 'avif' ) === 'enabled' && apply_filters( 'optml_should_avif_ext', true, $ext, $original_url ) ) {
$arguments['format'] = 'avif';
}
return ( new Optml_Image( $url, $args, $this->active_cache_buster ) )->get_url( $arguments );
}
/**
* Throw error on object clone
*
* The whole idea of the singleton design pattern is that there is a single
* object therefore, we don't want the object to be cloned.
*
* @codeCoverageIgnore
* @access public
* @return void
* @since 1.0.0
*/
public function __clone() {
// Cloning instances of the class is forbidden.
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' );
}
/**
* Disable unserializing of the class
*
* @codeCoverageIgnore
* @access public
* @return void
* @since 1.0.0
*/
public function __wakeup() {
// Unserializing instances of the class is forbidden.
_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'optimole-wp' ), '1.0.0' );
}
}
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