136 lines
3.4 KiB
PHP
136 lines
3.4 KiB
PHP
<?php
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namespace Automattic\Jetpack_Boost\Modules\Optimizations\Image_CDN;
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use Automattic\Jetpack\Schema\Schema;
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use Automattic\Jetpack\WP_JS_Data_Sync\Data_Sync;
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use Automattic\Jetpack_Boost\Contracts\Changes_Output_After_Activation;
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use Automattic\Jetpack_Boost\Contracts\Has_Data_Sync;
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use Automattic\Jetpack_Boost\Contracts\Is_Always_On;
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use Automattic\Jetpack_Boost\Contracts\Sub_Feature;
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use Automattic\Jetpack_Boost\Lib\Premium_Features;
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class Quality_Settings implements Sub_Feature, Is_Always_On, Has_Data_Sync, Changes_Output_After_Activation {
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public function setup() {
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add_filter( 'jetpack_photon_pre_args', array( $this, 'add_quality_args' ), 10, 2 );
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}
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public static function get_slug() {
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return 'image_cdn_quality';
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}
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public static function is_available() {
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return Premium_Features::has_feature( Premium_Features::IMAGE_CDN_QUALITY );
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}
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public function register_data_sync( Data_Sync $instance ) {
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$image_cdn_quality_schema = Schema::as_assoc_array(
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array(
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'jpg' => Schema::as_assoc_array(
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array(
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'quality' => Schema::as_number(),
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'lossless' => Schema::as_boolean(),
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)
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),
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'png' => Schema::as_assoc_array(
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array(
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'quality' => Schema::as_number(),
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'lossless' => Schema::as_boolean(),
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)
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),
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'webp' => Schema::as_assoc_array(
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array(
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'quality' => Schema::as_number(),
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'lossless' => Schema::as_boolean(),
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)
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),
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)
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)->fallback(
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array(
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'jpg' => array(
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'quality' => 89,
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'lossless' => false,
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),
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'png' => array(
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'quality' => 80,
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'lossless' => false,
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),
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'webp' => array(
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'quality' => 80,
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'lossless' => false,
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),
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)
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);
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$instance->register( 'image_cdn_quality', $image_cdn_quality_schema );
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}
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public static function get_change_output_action_names() {
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return array( 'update_option_' . JETPACK_BOOST_DATASYNC_NAMESPACE . '_image_cdn_quality' );
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}
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/**
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* Add quality arg to existing photon args.
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*
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* @param array $args - Existing photon args.
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*
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* @return mixed
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*/
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public function add_quality_args( $args, $image_url ) {
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$quality = $this->get_quality_for_image( $image_url );
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if ( $quality !== null ) {
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$args['quality'] = $quality;
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}
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return $args;
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}
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/**
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* Get the quality for an image based on the extension.
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*/
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private function get_quality_for_image( $image_url ) {
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static $quality_cache = array();
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// Extract the file extension from the URL
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$file_extension = strtolower( pathinfo( $image_url, PATHINFO_EXTENSION ) );
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static $extension_to_type = array(
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'jpg' => 'jpg',
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'jpeg' => 'jpg',
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'webp' => 'webp',
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'png' => 'png',
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);
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if ( ! isset( $extension_to_type[ $file_extension ] ) ) {
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return null;
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}
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$type = $extension_to_type[ $file_extension ];
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if ( ! isset( $quality_cache[ $type ] ) ) {
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$quality_cache[ $type ] = $this->get_quality_for_type( $type );
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}
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return $quality_cache[ $type ];
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}
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private function get_quality_for_type( $image_type ) {
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$quality_settings = jetpack_boost_ds_get( 'image_cdn_quality' );
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if ( ! isset( $quality_settings[ $image_type ] ) ) {
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return null;
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}
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// Passing 100 to photon will result in a lossless image
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return $quality_settings[ $image_type ]['lossless'] ? 100 : $quality_settings[ $image_type ]['quality'];
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}
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public static function get_parent_features(): array {
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return array(
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Image_CDN::class,
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);
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}
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}
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