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<?php

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/**

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* Configs class.

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* @since 3.8.5

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* @package Smush\Core

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namespace Smush\Core;

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use Exception;

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use Smush\Core\CDN\CDN_Controller;

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use WP_Error;

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use WP_REST_Request;

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use WP_Smush;

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use Smush\Core\Webp\Webp_Configuration;

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/**

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* Class Configs

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* @since 3.8.5

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class Configs {

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/**

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* List of pro features.

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* @since 3.8.5

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* @var array

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private $pro_features = array( 'png_to_jpg', 's3', 'nextgen', 'cdn', 'webp', 'webp_mod' );

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/**

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* @var Settings

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private $settings;

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public function __construct() {

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$this->settings = Settings::get_instance();

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}

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/**

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* Gets the local list of configs via Smush endpoint.

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* @since 3.8.6

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* @return bool

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public function get_callback() {

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$stored_configs = get_site_option( 'wp-smush-preset_configs', false );

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if ( false === $stored_configs ) {

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$stored_configs = array( $this->get_basic_config() );

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update_site_option( 'wp-smush-preset_configs', $stored_configs );

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}

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return $stored_configs;

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}

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/**

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* Updates the local list of configs via Smush endpoint.

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* @since 3.8.6

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* @param WP_REST_Request $request Class containing the request data.

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* @return array|WP_Error

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public function post_callback( $request ) {

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$data = json_decode( $request->get_body(), true );

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if ( ! is_array( $data ) ) {

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return new WP_Error( '400', esc_html__( 'Missing configs data', 'wp-smushit' ), array( 'status' => 400 ) );

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}

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$sanitized_data = $this->sanitize_configs_list( $data );

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update_site_option( 'wp-smush-preset_configs', $sanitized_data );

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return $sanitized_data;

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}

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/**

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* Checks whether the current user can perform requests to Smush's endpoint.

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* @since 3.8.6

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* @return bool

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public function permission_callback() {

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$capability = is_multisite() ? 'manage_network' : 'manage_options';

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return current_user_can( $capability );

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}

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/**

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* Adds the default configuration to the local configs.

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* @since 3.8.6

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private function get_basic_config() {

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$basic_config = array(

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'id' => 1,

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'name' => __( 'Default config', 'wp-smushit' ),

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'description' => __( 'Recommended performance config for every site.', 'wp-smushit' ),

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'default' => true,

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'config' => array(

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'configs' => array(

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'settings' => array(

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'auto' => true,

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'lossy' => Settings::LEVEL_SUPER_LOSSY,

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'strip_exif' => true,

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'resize' => false,

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'detection' => false,

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'original' => true,

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'backup' => true,

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'png_to_jpg' => true,

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'background_email' => false,

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'nextgen' => false,

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's3' => false,

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'gutenberg' => false,

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'js_builder' => false,

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'cdn' => false,

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'auto_resize' => false,

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'webp' => true,

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'usage' => false,

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'accessible_colors' => false,

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'keep_data' => true,

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'lazy_load' => false,

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'background_images' => true,

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'rest_api_support' => false,

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'webp_mod' => false,

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);

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$basic_config['config']['strings'] = $this->format_config_to_display( $basic_config['config']['configs'] );

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return $basic_config;

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}

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/**

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* Sanitizes the full list of configs.

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* @since 3.8.6

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* @param array $configs_list Configs list to sanitize.

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* @return array

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private function sanitize_configs_list( $configs_list ) {

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$sanitized_list = array();

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foreach ( $configs_list as $config_data ) {

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if ( isset( $config_data['name'] ) ) {

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$name = sanitize_text_field( $config_data['name'] );

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}

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if ( isset( $config_data['description'] ) ) {

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$description = sanitize_text_field( $config_data['description'] );

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}

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$configs = isset( $config_data['config']['configs'] ) ? $config_data['config']['configs'] : array();

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$sanitized_data = array(

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'id' => filter_var( $config_data['id'], FILTER_VALIDATE_INT ),

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'name' => empty( $name ) ? __( 'Undefined', 'wp-smushit' ) : $name,

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'description' => empty( $description ) ? '' : $description,

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'config' => $this->sanitize_and_format_configs( $configs ),

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);

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if ( ! empty( $config_data['hub_id'] ) ) {

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$sanitized_data['hub_id'] = filter_var( $config_data['hub_id'], FILTER_VALIDATE_INT );

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}

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if ( isset( $config_data['default'] ) ) {

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$sanitized_data['default'] = filter_var( $config_data['default'], FILTER_VALIDATE_BOOLEAN );

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}

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$sanitized_list[] = $sanitized_data;

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}

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return $sanitized_list;

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}

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/**

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* Tries to save the uploaded config.

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* @since 3.8.5

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* @param array $file The uploaded file.

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* @return array|WP_Error

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public function save_uploaded_config( $file ) {

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try {

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return $this->decode_and_validate_config_file( $file );

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} catch ( Exception $e ) {

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return new WP_Error( 'error_saving', $e->getMessage() );

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}

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}

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/**

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* Tries to decode and validate the uploaded config file.

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* @since 3.8.5

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* @param array $file The uploaded file.

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* @return array

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* @throws Exception When there's an error with the uploaded file.

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private function decode_and_validate_config_file( $file ) {

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if ( ! $file ) {

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throw new Exception( __( 'The configs file is required', 'wp-smushit' ) );

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} elseif ( ! empty( $file['error'] ) ) {

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/* translators: error message */

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throw new Exception( sprintf( __( 'Error: %s.', 'wp-smushit' ), $file['error'] ) );

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} elseif ( 'application/json' !== $file['type'] ) {

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throw new Exception( __( 'The file must be a JSON.', 'wp-smushit' ) );

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}

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$json_file = file_get_contents( $file['tmp_name'] ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents

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if ( ! $json_file ) {

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throw new Exception( __( 'There was an error getting the contents of the file.', 'wp-smushit' ) );

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}

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$configs = json_decode( $json_file, true );

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if ( empty( $configs ) || ! is_array( $configs ) ) {

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throw new Exception( __( 'There was an error decoding the file.', 'wp-smushit' ) );

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}

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// Make sure the config has a name and configs.

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if ( empty( $configs['name'] ) || empty( $configs['config'] ) ) {

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throw new Exception( __( 'The uploaded config must have a name and a set of settings. Please make sure the uploaded file is the correct one.', 'wp-smushit' ) );

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}

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// Sanitize.

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$plugin = isset( $configs['plugin'] ) ? $configs['plugin'] : 0;

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$configs = $this->sanitize_configs_list( array( $configs ) );

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$configs = $configs[0];

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// Restore back plugin ID.

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$configs['plugin'] = $plugin;

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// Let's re-create this to avoid differences between imported settings coming from other versions.

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$configs['config']['strings'] = $this->format_config_to_display( $configs['config']['configs'] );

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if ( empty( $configs['config']['configs'] ) ) {

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throw new Exception( __( 'The provided configs list isn’t correct. Please make sure the uploaded file is the correct one.', 'wp-smushit' ) );

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}

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// Don't keep these if they exist.

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if ( isset( $configs['hub_id'] ) ) {

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unset( $configs['hub_id'] );

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}

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if ( isset( $configs['default'] ) ) {

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unset( $configs['default'] );

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}

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return $configs;

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}

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/**

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* Applies a config given its ID.

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* @since 3.8.6

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* @param string $id The ID of the config to apply.

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* @return void|WP_Error

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public function apply_config_by_id( $id ) {

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$stored_configs = get_site_option( 'wp-smush-preset_configs' );

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$config = false;

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foreach ( $stored_configs as $config_data ) {

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if ( (int) $config_data['id'] === (int) $id ) {

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$config = $config_data;

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break;

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}

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}

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// The config with the given ID doesn't exist.

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if ( ! $config ) {

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return new WP_Error( '404', __( 'The given config ID does not exist', 'wp-smushit' ) );

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}

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$this->apply_config( $config['config']['configs'], $config['name'] );

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}

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/**

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* Applies the given config.

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* @since 3.8.6

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* @param array $config The config to apply.

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public function apply_config( $config, $config_name = '' ) {

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$sanitized_config = $this->sanitize_config( $config );

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// Update 'networkwide' options in multisites.

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if ( is_multisite() && isset( $sanitized_config['networkwide'] ) ) {

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update_site_option( 'wp-smush-networkwide', $sanitized_config['networkwide'] );

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}

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$settings_handler = Settings::get_instance();

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// Update image sizes.

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if ( isset( $sanitized_config['resize_sizes'] ) ) {

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$settings_handler->set_setting( 'wp-smush-resize_sizes', $sanitized_config['resize_sizes'] );

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}

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// Update settings. We could reuse the `save` method from settings to handle this instead.

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if ( ! empty( $sanitized_config['settings'] ) ) {

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$stored_settings = $settings_handler->get_setting( 'wp-smush-settings' );

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// Keep the keys that are in use in this version.

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$new_settings = array_intersect_key( $sanitized_config['settings'], $stored_settings );

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if ( $new_settings ) {

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if ( ! WP_Smush::is_pro() ) {

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// Disable the pro features before applying them.

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foreach ( $this->pro_features as $name ) {

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$new_settings[ $name ] = false;

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}

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}

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// Update Local WebP status.

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if ( isset( $new_settings['webp_mod'] ) ) {

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$webp_configuration = Webp_Configuration::get_instance();

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$enable_webp = ! empty( $new_settings['webp_mod'] );

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$direct_conversion_enabled = ! empty( $new_settings['webp_direct_conversion'] );

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$settings_handler->set( 'webp_direct_conversion', $direct_conversion_enabled );

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$webp_configuration->toggle_module( $enable_webp );

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}

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// Update the CDN status for CDN changes.

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if ( isset( $new_settings['cdn'] ) && $new_settings['cdn'] !== $stored_settings['cdn'] ) {

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CDN_Controller::get_instance()->toggle_cdn( $new_settings['cdn'] );

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}

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// Keep the stored settings that aren't present in the incoming one.

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$new_settings = array_merge( $stored_settings, $new_settings );

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$settings_handler->set_setting( 'wp-smush-settings', $new_settings );

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}

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}

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// Update lazy load.

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if ( ! empty( $sanitized_config['lazy_load'] ) ) {

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$stored_lazy_load = $settings_handler->get_setting( 'wp-smush-lazy_load' );

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// Save the defaults before applying the config if the current settings aren't set.

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if ( empty( $stored_lazy_load ) ) {

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$settings_handler->init_lazy_load_defaults();

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$stored_lazy_load = $settings_handler->get_setting( 'wp-smush-lazy_load' );

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}

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// Keep the settings that are in use in this version.

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foreach ( $sanitized_config['lazy_load'] as $key => $value ) {

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if ( is_array( $value ) && is_array( $stored_lazy_load[ $key ] ) ) {

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$sanitized_config['lazy_load'][ $key ] = array_intersect_key( $value, $stored_lazy_load[ $key ] );

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}

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}

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// Keep the stored settings that aren't present in the incoming one.

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$new_lazy_load = array_replace_recursive( $stored_lazy_load, $sanitized_config['lazy_load'] );

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$settings_handler->set_setting( 'wp-smush-lazy_load', $new_lazy_load );

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}

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do_action( 'wp_smush_config_applied', $config_name );

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// Skip onboarding if applying a config.

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update_option( 'skip-smush-setup', true );

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}

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/**

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* Gets a new config array based on the current settings.

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* @since 3.8.5

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* @return array

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public function get_config_from_current() {

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$settings = Settings::get_instance();

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$stored_settings = $settings->get_setting( 'wp-smush-settings' );

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$configs = array( 'settings' => $stored_settings );

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if ( $stored_settings['resize'] ) {

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$configs['resize_sizes'] = $settings->get_setting( 'wp-smush-resize_sizes' );

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}

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// Let's store this only for multisites.

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if ( is_multisite() ) {

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$configs['networkwide'] = get_site_option( 'wp-smush-networkwide' );

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}

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// There's a site_option that handles this.

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unset( $configs['settings']['networkwide'] );

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// Looks like unused.

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unset( $configs['settings']['api_auth'] );

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// These are unique per site. They shouldn't be used.

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unset( $configs['settings']['bulk'] );

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// Include the lazy load settings only when lazy load is enabled.

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if ( ! empty( $configs['settings']['lazy_load'] ) ) {

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$lazy_load_settings = $settings->get_setting( 'wp-smush-lazy_load' );

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if ( ! empty( $lazy_load_settings ) ) {

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// Exclude unique settings.

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unset( $lazy_load_settings['animation']['placeholder'] );

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unset( $lazy_load_settings['animation']['spinner'] );

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unset( $lazy_load_settings['exclude-pages'] );

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unset( $lazy_load_settings['exclude-classes'] );

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if ( 'fadein' !== $lazy_load_settings['animation']['selected'] ) {

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unset( $lazy_load_settings['animation']['fadein'] );

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}

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$configs['lazy_load'] = $lazy_load_settings;

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}

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}

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// Exclude CDN fields if CDN is disabled.

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if ( empty( $configs['settings']['cdn'] ) ) {

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foreach ( $settings->get_cdn_fields() as $field ) {

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if ( 'cdn' !== $field ) {

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unset( $configs['settings'][ $field ] );

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}

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}

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}

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return array(

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'config' => array(

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'configs' => $configs,

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'strings' => $this->format_config_to_display( $configs ),

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);

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}

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/**

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* Sanitizes the given config.

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* @since 3.8.5

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* @param array $config Config array to sanitize.

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* @return array

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private function sanitize_config( $config ) {

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$sanitized = array();

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if ( isset( $config['networkwide'] ) ) {

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if ( ! is_array( $config['networkwide'] ) ) {

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$sanitized['networkwide'] = sanitize_text_field( $config['networkwide'] );

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} else {

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$sanitized['networkwide'] = filter_var(

[457] Fix | Delete

$config['networkwide'],

[458] Fix | Delete

FILTER_CALLBACK,

[459] Fix | Delete

array(

[460] Fix | Delete

'options' => 'sanitize_text_field',

[461] Fix | Delete

)

[462] Fix | Delete

);

[463] Fix | Delete

}

[464] Fix | Delete

}

[465] Fix | Delete

[466] Fix | Delete

if ( ! empty( $config['settings'] ) ) {

[467] Fix | Delete

$sanitized['settings'] = filter_var( $config['settings'], FILTER_VALIDATE_BOOLEAN, FILTER_REQUIRE_ARRAY );

[468] Fix | Delete

if ( isset( $config['settings']['lossy'] ) ) {

[469] Fix | Delete

$sanitized['settings']['lossy'] = $this->settings->sanitize_lossy_level( $config['settings']['lossy'] );

[470] Fix | Delete

}

[471] Fix | Delete

}

[472] Fix | Delete

[473] Fix | Delete

if ( isset( $config['resize_sizes'] ) ) {

[474] Fix | Delete

if ( is_bool( $config['resize_sizes'] ) ) {

[475] Fix | Delete

$sanitized['resize_sizes'] = $config['resize_sizes'];

[476] Fix | Delete

} else {

[477] Fix | Delete

$sanitized['resize_sizes'] = array(

[478] Fix | Delete

'width' => (int) $config['resize_sizes']['width'],

[479] Fix | Delete

'height' => (int) $config['resize_sizes']['height'],

[480] Fix | Delete

);

[481] Fix | Delete

}

[482] Fix | Delete

}

[483] Fix | Delete

[484] Fix | Delete

if ( ! empty( $config['lazy_load'] ) ) {

[485] Fix | Delete

$args = array(

[486] Fix | Delete

'format' => array(

[487] Fix | Delete

'filter' => FILTER_VALIDATE_BOOLEAN,

[488] Fix | Delete

'flags' => FILTER_REQUIRE_ARRAY + FILTER_NULL_ON_FAILURE,

[489] Fix | Delete

[490] Fix | Delete

'output' => array(

[491] Fix | Delete

'filter' => FILTER_VALIDATE_BOOLEAN,

[492] Fix | Delete

'flags' => FILTER_REQUIRE_ARRAY,

[493] Fix | Delete

[494] Fix | Delete

'animation' => array(

[495] Fix | Delete

'filter' => FILTER_CALLBACK,

[496] Fix | Delete

'options' => 'sanitize_text_field',

[497] Fix | Delete

'flags' => FILTER_REQUIRE_ARRAY,

[498] Fix | Delete

[499] Fix | Delete