.-.-.-.-.-

<?php
/**
 * Core class: Core class.
 *
 * @since 2.9.0
 * @package Smush\Core
 */

namespace Smush\Core;

use Smush\App\Admin;
use Smush\Core\Modules\Helpers\WhiteLabel;
use WP_Smush;

if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Class Core
 */
class Core extends Stats {

/**
	 * Animated status.
	 *
	 * @var int
	 */
	const STATUS_ANIMATED = 2;

/**
	 * S3 module
	 *
	 * @var Integrations\S3
	 */
	public $s3;

/**
	 * NextGen module.
	 *
	 * @var Integrations\Nextgen
	 */
	public $nextgen;

/**
	 * Modules array.
	 *
	 * @var Modules
	 */
	public $mod;

/**
	 * Allowed mime types of image.
	 *
	 * @var array $mime_types
	 */
	public static $mime_types = array(
		'image/jpg',
		'image/jpeg',
		'image/x-citrix-jpeg',
		'image/gif',
		'image/png',
		'image/x-png',
	);

/**
	 * List of external pages where smush needs to be loaded.
	 *
	 * @var array $pages
	 */
	public static $external_pages = array(
		'nggallery-manage-images',
		'gallery_page_nggallery-manage-gallery',
		'gallery_page_wp-smush-nextgen-bulk',
		'nextgen-gallery_page_nggallery-manage-gallery', // Different since NextGen 3.3.6.
		'nextgen-gallery_page_wp-smush-nextgen-bulk', // Different since NextGen 3.3.6.
		'post',
		'post-new',
		'page',
		'edit-page',
		'upload',
	);

/**
	 * Attachment IDs which are smushed.
	 *
	 * @var array $smushed_attachments
	 */
	public $smushed_attachments = array();

/**
	 * Unsmushed image IDs.
	 *
	 * @var array $unsmushed_attachments
	 */
	public $unsmushed_attachments = array();

/**
	 * Skipped attachment IDs.
	 *
	 * @since 3.0
	 *
	 * @var array $skipped_attachments
	 */
	public $skipped_attachments = array();

/**
	 * Smushed attachments out of total attachments.
	 *
	 * @var int $smushed_count
	 */
	public $smushed_count = 0;

/**
	 * Smushed attachments out of total attachments.
	 *
	 * @var int $remaining_count
	 */
	public $remaining_count = 0;

/**
	 * Images with errors that have been skipped from bulk smushing.
	 *
	 * @since 3.0
	 * @var int $skipped_count
	 */
	public $skipped_count = 0;

/**
	 * Super Smushed attachments count.
	 *
	 * @var int $super_smushed
	 */
	public $super_smushed = 0;

/**
	 * Total count of attachments for smushing.
	 *
	 * @var int $total_count
	 */
	public $total_count = 0;

/**
	 * Limit for allowed number of images per bulk request.
	 *
	 * This is enforced at api level too.
	 *
	 * @var int
	 */
	const MAX_FREE_BULK = 50;

/**
	 * Initialize modules.
	 *
	 * @since 2.9.0
	 */
	protected function init() {
		$this->mod = new Modules();

// Enqueue scripts and initialize variables.
		add_action( 'admin_init', array( $this, 'init_settings' ) );

// Load integrations.
		add_action( 'init', array( $this, 'load_integrations' ) );

// Big image size threshold (WordPress 5.3+).
		add_filter( 'big_image_size_threshold', array( $this, 'big_image_size_threshold' ), 10 );

/**
		 * Load NextGen Gallery, instantiate the Async class. if hooked too late or early, auto Smush doesn't
		 * work, also load after settings have been saved on init action.
		 */
		add_action( 'plugins_loaded', array( $this, 'load_libs' ), 90 );

/**
		 * Maybe need to load some modules in REST API mode.
		 * E.g. S3.
		 */
		add_action( 'rest_api_init', array( $this, 'load_libs_for_rest_api' ), 99 );
	}

/**
	 * Load integrations class.
	 *
	 * @since 2.8.0
	 */
	public function load_integrations() {
		new Integrations\Common();
	}

/**
	 * Load plugin modules.
	 */
	public function load_libs() {
		$this->wp_smush_async();

if ( is_admin() ) {
			$this->s3 = new Integrations\S3();
		}

/**
		 * Load NextGen integration on admin or custom ajax request.
		 *
		 * @since 3.10.0
		 */
		if ( is_admin() || defined( 'NGG_AJAX_SLUG' ) && ! empty( $_REQUEST[ NGG_AJAX_SLUG ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
			$this->nextgen = new Integrations\Nextgen();
		}

new Integrations\Gutenberg();
		new Integrations\Composer();
		new Integrations\Gravity_Forms();
		$avada = new Integrations\Avada();
		$avada->init();
		$divi = new Integrations\Divi();
		$divi->init();
		$envira = new Integrations\Envira();
		$envira->init();
		$hummingbird = new Integrations\Hummingbird_Integration();
		$hummingbird->init();

$woo = new Integrations\WooCommerce();
		$woo->init();

$amp = new Integrations\AMP_Integration();
		$amp->init();

$essential_grid = new Integrations\Essential_Grid_Integration();
		$essential_grid->init();

$elementor = new Integrations\Elementor_Integration();
		$elementor->init();

// Register logger to schedule cronjob.
		Helper::logger();
	}

/**
	 * Load lib for REST API.
	 */
	public function load_libs_for_rest_api() {
		// Load S3 if there is media REST API.
		if ( ! Helper::is_non_rest_media() && ! $this->s3 ) {
			$this->s3 = new Integrations\S3();
		}
	}

/**
	 * Initialize the Smush Async class.
	 */
	private function wp_smush_async() {
		// Check if Async is disabled.
		if ( defined( 'WP_SMUSH_ASYNC' ) && ! WP_SMUSH_ASYNC ) {
			return;
		}

// Instantiate class.
		new Modules\Async\Async();

// Load the Editor Async task only if user logged in or in backend.
		if ( is_admin() && is_user_logged_in() ) {
			new Modules\Async\Editor();
		}
	}

/**
	 * Init settings.
	 */
	public function init_settings() {
		// Initialize Image dimensions.
		$this->mod->smush->image_sizes = $this->image_dimensions();
	}

public function get_localize_strings() {
		$whiltelabel = new WhiteLabel();
		$upgrade_url = add_query_arg(
			array(
				'utm_source'   => 'smush',
				'utm_medium'   => 'plugin',
				'utm_campaign' => 'smush_bulksmush_inline_filesizelimit',
			),
			'https://wpmudev.com/project/wp-smush-pro/'
		);

$wp_smush_msgs = array(
			'nonce'                   => wp_create_nonce( 'wp-smush-ajax' ),
			'webp_nonce'              => wp_create_nonce( 'wp-smush-webp-nonce' ),
			'settingsUpdated'         => esc_html__( 'Your settings have been updated', 'wp-smushit' ),
			'resmush'                 => esc_html__( 'Super-Smush', 'wp-smushit' ),
			'smush_now'               => esc_html__( 'Smush Now', 'wp-smushit' ),
			'error_in_bulk'           => esc_html__( '{{smushed}}/{{total}} images smushed successfully, {{errors}} images were not optimized, find out why and how to resolve the issue(s) below.', 'wp-smushit' ),
			'all_failed'              => esc_html__( 'All of your images failed to smush. Find out why and how to resolve the issue(s) below.', 'wp-smushit' ),
			'all_resmushed'           => esc_html__( 'All images are fully optimized.', 'wp-smushit' ),
			'all_smushed'             => esc_html__( 'All attachments have been smushed. Awesome!', 'wp-smushit' ),
			'error_size_limit'        => WP_Smush::is_pro() ? '' : sprintf(
				/* translators: %1$s - opening a link <a>, %2$s - Close the link </a> */
				esc_html__( 'Are you hitting the 5MB "size limit exceeded" warning? %1$sUpgrade to Smush Pro%2$s to optimize unlimited image files up to 256Mb each.', 'wp-smushit' ),
				'<a href="' . esc_url( $upgrade_url ) . '" target="_blank">',
				'</a>'
			),
			'processing_cdn_for_free' => sprintf(
				/* translators: %d: Number of CDN PoP locations */
				esc_html__( 'Want to serve images even faster? Get up to 2x more speed with Smush Pro’s CDN, which spans %d servers worldwide.', 'wp-smushit' ),
				Admin::CDN_POP_LOCATIONS
			),
			'processed_cdn_for_free'  => sprintf(
				/* translators: %d: Number of CDN PoP locations */
				esc_html__( 'Let images reach your audience faster no matter where your hosting servers are. Smush Pro’s global CDN serves images closer to site visitors via %d worldwide server locations.', 'wp-smushit' ),
				Admin::CDN_POP_LOCATIONS
			),
			'restore'                 => esc_html__( 'Restoring image...', 'wp-smushit' ),
			'smushing'                => esc_html__( 'Smushing image...', 'wp-smushit' ),
			'btn_ignore'              => esc_html__( 'Ignore', 'wp-smushit' ),
			'view_detail'             => esc_html__( 'View Details', 'wp-smushit' ),
			'membership_valid'        => esc_html__( 'We successfully verified your membership, all the Pro features should work completely. ', 'wp-smushit' ),
			'membership_invalid'      => esc_html__( "Your membership couldn't be verified.", 'wp-smushit' ),
			'missing_path'            => esc_html__( 'Missing file path.', 'wp-smushit' ),
			'failed_item_smushed'     => esc_html__( 'Images smushed successfully, No further action required', 'wp-smushit' ),
			// Used by Directory Smush.
			'unfinished_smush_single' => esc_html__( 'image could not be smushed.', 'wp-smushit' ),
			'unfinished_smush'        => esc_html__( 'images could not be smushed.', 'wp-smushit' ),
			'already_optimised'       => esc_html__( 'Already Optimized', 'wp-smushit' ),
			'ajax_error'              => esc_html__( 'Ajax Error', 'wp-smushit' ),
			'generic_ajax_error'      => esc_html__( 'Something went wrong with the request. Please reload the page and try again.', 'wp-smushit' ),
			'all_done'                => esc_html__( 'All Done!', 'wp-smushit' ),
			'sync_stats'              => esc_html__( 'Give us a moment while we sync the stats.', 'wp-smushit' ),
			// Progress bar text.
			'progress_smushed'        => esc_html__( 'images optimized', 'wp-smushit' ),
			'bulk_resume'             => esc_html__( 'Resume scan', 'wp-smushit' ),
			'bulk_stop'               => esc_html__( 'Stop current bulk smush process.', 'wp-smushit' ),
			// Errors.
			'error_ignore'            => esc_html__( 'Ignore this image from bulk smushing', 'wp-smushit' ),
			// Ignore text.
			'ignored'                 => esc_html__( 'Ignored', 'wp-smushit' ),
			'not_processed'           => esc_html__( 'Not processed', 'wp-smushit' ),
			// Notices.
			'noticeDismiss'           => esc_html__( 'Dismiss', 'wp-smushit' ),
			'noticeDismissTooltip'    => esc_html__( 'Dismiss notice', 'wp-smushit' ),
			'smush_cdn_activation_notice'  => WP_Smush::is_pro() && ! Settings::get_instance()->is_cdn_active() ?
				$whiltelabel->whitelabel_string(
					sprintf(
					/* translators: 1 - Number of CDN PoP locations, 2 - opening a tag, 3 - closing a tag */
						esc_html__( 'Activate CDN to bulk smush and serve animated GIF’s via %1$d worldwide locations. %2$sActivate CDN%3$s', 'wp-smushit' ),
						Admin::CDN_POP_LOCATIONS,
						'<a href="' . esc_url( network_admin_url( 'admin.php?page=smush-cdn' ) ) . '" />',
						'</a>'
					)
				) : '',
			// URLs.
			'smush_url'               => network_admin_url( 'admin.php?page=smush' ),
			'bulk_smush_url'          => network_admin_url( 'admin.php?page=smush-bulk' ),
			'directory_url'           => network_admin_url( 'admin.php?page=smush-directory' ),
			'nextGenURL'            => network_admin_url( 'admin.php?page=smush-next-gen' ),
			'edit_link'               => Helper::get_image_media_link( '{{id}}', null, true ),
			'debug_mode'              => defined( 'WP_DEBUG' ) && WP_DEBUG,
			'cancel'                  => esc_html__( 'Cancel', 'wp-smushit' ),
			'cancelling'              => esc_html__( 'Cancelling ...', 'wp-smushit' ),
			'recheck_images_link'     => Helper::get_recheck_images_link(),
		);

return apply_filters( 'wp_smush_localize_script_messages', $wp_smush_msgs );
	}

/**
	 * Localize translations.
	 */
	public function localize() {
		global $current_screen;

$handle = 'smush-admin';
		
		wp_localize_script( $handle, 'wp_smush_msgs', $this->get_localize_strings() );

if ( 'toplevel_page_smush' === $current_screen->id ) {
			$slug = 'dashboard';
		} else {
			$slug = explode( 'page_smush-', $current_screen->id );
			$slug = isset( $slug[1] ) ? $slug[1] : false;
		}

// Load the stats on selected screens only.
		if ( $slug && isset( WP_Smush::get_instance()->admin()->pages[ $slug ] ) && method_exists( WP_Smush::get_instance()->admin()->pages[ $slug ], 'dashboard_summary_meta_box' ) ) {
			// Get resmush list, If we have a resmush list already, localize those IDs.
			$resmush_ids = $this->get_resmush_ids();
			if ( $resmush_ids ) {
				// Get the attachments, and get lossless count.
				$this->resmush_ids = $resmush_ids;
			}

// Get attachments if all the images are not smushed.
			$this->unsmushed_attachments = $this->remaining_count > 0 ? $this->get_unsmushed_attachments() : array();
			$this->unsmushed_attachments = ! empty( $this->unsmushed_attachments ) && is_array( $this->unsmushed_attachments ) ? array_values( $this->unsmushed_attachments ) : $this->unsmushed_attachments;

$data = $this->get_global_stats();
		} else {
			$data = array(
				'count_supersmushed' => '',
				'count_smushed'      => '',
				'count_total'        => '',
				'count_images'       => '',
				'unsmushed'          => '',
				'resmush'            => '',
				'savings_bytes'      => '',
				'savings_resize'     => '',
				'savings_conversion' => '',
				'savings_supersmush' => '',
				'savings_percent'    => '',
				'percent_grade'      => '',
				'percent_metric'     => '',
				'percent_optimized'  => '',
			);
		}

// Check if scanner class is available.
		$scanner_ready = isset( $this->mod->dir->scanner );

$data['dir_smush'] = array(
			'currentScanStep' => $scanner_ready ? $this->mod->dir->scanner->get_current_scan_step() : 0,
			'totalSteps'      => $scanner_ready ? $this->mod->dir->scanner->get_scan_steps() : 0,
		);

$data['resize_sizes'] = $this->get_max_image_dimensions();

// Convert it into ms.
		$data['timeout'] = WP_SMUSH_TIMEOUT * 1000;

wp_localize_script( $handle, 'wp_smushit_data', apply_filters( 'wp_smush_script_data', $data ) );
	}

/**
	 * Check bulk sent count, whether to allow further smushing or not
	 *
	 * @param bool   $reset  To hard reset the transient.
	 * @param string $key    Transient Key - bulk_sent_count/dir_sent_count.
	 *
	 * TODO: remove this (and all related code) because the limit has been lifted in 3.12.0
	 *
	 * @return bool
	 */
	public static function check_bulk_limit( $reset = false, $key = 'bulk_sent_count' ) {
		$is_pre_3_12_6_site = get_site_option( 'wp_smush_pre_3_12_6_site' );
		if ( $is_pre_3_12_6_site ) {
			return true;
		}

$transient_name = 'wp-smush-' . $key;

// If we JUST need to reset the transient.
		if ( $reset ) {
			set_transient( $transient_name, 0, 60 );
			return false;
		}

$bulk_sent_count = (int) get_transient( $transient_name );

// Check if bulk smush limit is less than limit.
		if ( ! $bulk_sent_count || $bulk_sent_count < self::MAX_FREE_BULK ) {
			$continue = true;
		} elseif ( $bulk_sent_count === self::MAX_FREE_BULK ) {
			// If user has reached the limit, reset the transient.
			$continue = false;
			$reset    = true;
		} else {
			$continue = false;
		}

// If we need to reset the transient.
		if ( $reset ) {
			set_transient( $transient_name, 0, 60 );
		}

return $continue;
	}

/**
	 * Get registered image sizes with dimension
	 *
	 * @return array
	 */
	public function image_dimensions() {
		return Helper::get_image_sizes();
	}

/**
	 * Get the Maximum Width and Height settings for WrodPress
	 *
	 * @return array, Array of Max. Width and Height for image.
	 */
	public function get_max_image_dimensions() {
		global $_wp_additional_image_sizes;

$width  = 0;
		$height = 0;
		$limit  = 9999; // Post-thumbnail.

$image_sizes = get_intermediate_image_sizes();

// If image sizes are filtered and no image size list is returned.
		if ( empty( $image_sizes ) ) {
			return array(
				'width'  => $width,
				'height' => $height,
			);
		}

// Create the full array with sizes and crop info.
		foreach ( $image_sizes as $size ) {
			if ( in_array( $size, array( 'thumbnail', 'medium', 'medium_large', 'large' ), true ) ) {
				$size_width  = get_option( "{$size}_size_w" );
				$size_height = get_option( "{$size}_size_h" );
			} elseif ( isset( $_wp_additional_image_sizes[ $size ] ) ) {
				$size_width  = $_wp_additional_image_sizes[ $size ]['width'];
				$size_height = $_wp_additional_image_sizes[ $size ]['height'];
			}

// Skip if no width and height.
			if ( ! isset( $size_width, $size_height ) ) {
				continue;
			}

// If within te limit, check for a max value.
			if ( $size_width <= $limit ) {
				$width = max( $width, $size_width );
			}

if ( $size_height <= $limit ) {
				$height = max( $height, $size_height );
			}
		}

return array(
			'width'  => $width,
			'height' => $height,
		);
	}

/**
	 * Update the image smushed count in transient
	 *
	 * @param string $key  Database key.
	 */
	public static function update_smush_count( $key = 'bulk_sent_count' ) {
		$transient_name = 'wp-smush-' . $key;

$bulk_sent_count = get_transient( $transient_name );

// If bulk sent count is not set.
		if ( false === $bulk_sent_count ) {
			// Start transient at 0.
			set_transient( $transient_name, 1, 200 );
		} elseif ( $bulk_sent_count < self::MAX_FREE_BULK ) {
			// If lte MAX_FREE_BULK images are sent, increment.
			set_transient( $transient_name, $bulk_sent_count + 1, 200 );
		}
	}

/**
	 * Set the big image threshold.
	 *
	 * @param int $threshold The threshold value in pixels. Default 2560.
	 *
	 * @return int|bool  New threshold. False if scaling is disabled.
	 * @since 3.3.2
	 *
	 */
	public function big_image_size_threshold( $threshold ) {
		if ( Settings::get_instance()->get( 'no_scale' ) ) {
			return false;
		}

if ( ! $this->mod->resize->is_active() ) {
			return $threshold;
		}

$resize_sizes = Settings::get_instance()->get_setting( 'wp-smush-resize_sizes' );
		if ( ! $resize_sizes || ! is_array( $resize_sizes ) ) {
			return $threshold;
		}

return $resize_sizes['width'] > $resize_sizes['height'] ? $resize_sizes['width'] : $resize_sizes['height'];
	}
}

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