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<?php
/**
* WP Smush plugin
*
* Reduce image file sizes, improve performance and boost your SEO using the free
* <a href="https://premium.wpmudev.org/">WPMU DEV</a> WordPress Smush API.
*
* @link http://premium.wpmudev.org/projects/wp-smush-pro/
* @since 1.0.0
* @package WP_Smush
*
* @wordpress-plugin
* Plugin Name: Smush
* Plugin URI: http://wordpress.org/extend/plugins/wp-smushit/
* Description: Reduce image file sizes, improve performance and boost your SEO using the free free <a href="https://premium.wpmudev.org/">WPMU DEV</a> WordPress Smush API.
* Version: 3.2.0.1
* Author: WPMU DEV
* Author URI: https://premium.wpmudev.org/
* License: GPLv2
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
* Text Domain: wp-smushit
* Domain Path: /languages/
*/
/*
This plugin was originally developed by Alex Dunae (http://dialect.ca/).
Copyright 2007-2018 Incsub (http://incsub.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License (Version 2 - GPLv2) as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
die;
}
if ( ! defined( 'WP_SMUSH_VERSION' ) ) {
define( 'WP_SMUSH_VERSION', '3.2.0.1' );
}
// Used to define body class.
if ( ! defined( 'WP_SHARED_UI_VERSION' ) ) {
define( 'WP_SHARED_UI_VERSION', 'sui-2-3-16' );
}
if ( ! defined( 'WP_SMUSH_BASENAME' ) ) {
define( 'WP_SMUSH_BASENAME', plugin_basename( __FILE__ ) );
}
if ( ! defined( 'WP_SMUSH_API' ) ) {
define( 'WP_SMUSH_API', 'https://smushpro.wpmudev.org/1.0/' );
}
if ( ! defined( 'WP_SMUSH_UA' ) ) {
define( 'WP_SMUSH_UA', 'WP Smush/' . WP_SMUSH_VERSION . '; ' . network_home_url() );
}
if ( ! defined( 'WP_SMUSH_DIR' ) ) {
define( 'WP_SMUSH_DIR', plugin_dir_path( __FILE__ ) );
}
if ( ! defined( 'WP_SMUSH_URL' ) ) {
define( 'WP_SMUSH_URL', plugin_dir_url( __FILE__ ) );
}
if ( ! defined( 'WP_SMUSH_MAX_BYTES' ) ) {
define( 'WP_SMUSH_MAX_BYTES', 1000000 );
}
if ( ! defined( 'WP_SMUSH_PREMIUM_MAX_BYTES' ) ) {
define( 'WP_SMUSH_PREMIUM_MAX_BYTES', 32000000 );
}
if ( ! defined( 'WP_SMUSH_PREFIX' ) ) {
define( 'WP_SMUSH_PREFIX', 'wp-smush-' );
}
if ( ! defined( 'WP_SMUSH_TIMEOUT' ) ) {
define( 'WP_SMUSH_TIMEOUT', apply_filters( 'WP_SMUSH_API_TIMEOUT', 150 ) );
}
/**
* To support Smushing on staging sites like SiteGround staging where staging site urls are different
* but redirects to main site url. Remove the protocols and www, and get the domain name.*
* If Set to false, WP Smush switch backs to the Old Sync Optimisation.
*/
$site_url = str_replace( array( 'http://', 'https://', 'www.' ), '', site_url() );
if ( ! defined( 'WP_SMUSH_ASYNC' ) && ! empty( $_SERVER['SERVER_NAME'] ) && ( 0 !== strpos( $site_url, $_SERVER['SERVER_NAME'] ) ) ) { // Input var ok.
define( 'WP_SMUSH_ASYNC', false );
} elseif ( ! defined( 'WP_SMUSH_ASYNC' ) ) {
define( 'WP_SMUSH_ASYNC', true );
}
/**
* If we are activating a version, while having another present and activated.
* Leave in the Pro version, if it is available.
*
* @since 2.9.1
*/
if ( WP_SMUSH_BASENAME !== plugin_basename( __FILE__ ) ) {
$pro_installed = false;
if ( file_exists( WP_PLUGIN_DIR . '/wp-smush-pro/wp-smush.php' ) ) {
$pro_installed = true;
}
if ( ! function_exists( 'is_plugin_active' ) ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
if ( is_plugin_active( 'wp-smush-pro/wp-smush.php' ) ) {
deactivate_plugins( plugin_basename( __FILE__ ) );
update_site_option( 'smush_deactivated', 1 );
return; // Return to avoid errors with free-dashboard module.
} elseif ( $pro_installed && is_plugin_active( WP_SMUSH_BASENAME ) ) {
deactivate_plugins( WP_SMUSH_BASENAME );
activate_plugin( plugin_basename( __FILE__ ) );
}
}
register_activation_hook( 'core/class-wp-smush-installer.php', array( 'WP_Smush_Installer', 'smush_activated' ) );
register_deactivation_hook( __FILE__, array( 'WP_Smush_Installer', 'smush_deactivated' ) );
// Init the plugin and load the plugin instance for the first time.
add_action( 'plugins_loaded', array( 'WP_Smush', 'get_instance' ) );
if ( ! class_exists( 'WP_Smush' ) ) {
/**
* Class WP_Smush
*/
class WP_Smush {
/**
* Plugin instance.
*
* @since 2.9.0
*
* @var null|WP_Smush
*/
private static $instance = null;
/**
* Plugin core.
*
* @since 2.9.0
*
* @var WP_Smush_Core
*/
private $core;
/**
* Plugin admin.
*
* @since 2.9.0
*
* @var WP_Smush_Admin
*/
private $admin;
/**
* Plugin API.
*
* @since 3.0
*
* @var WP_Smush_API
*/
private $api = '';
/**
* Stores the value of validate_install function.
*
* @var bool $is_pro
*/
private static $is_pro;
/**
* Smush project ID.
*
* @since 3.1.1
*
* @var int $project_id
*/
private static $project_id = 912164;
/**
* Return the plugin instance.
*
* @return WP_Smush
*/
public static function get_instance() {
if ( ! self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* WP_Smush constructor.
*/
private function __construct() {
$this->register_actions();
$this->maybe_upgrade_to_pro();
$this->includes();
$this->init();
}
/**
* Register actions and filters.
*
* @since 2.9.0
*/
private function register_actions() {
add_action( 'admin_init', array( $this, 'register_free_modules' ) );
add_action( 'init', array( $this, 'register_pro_modules' ), 5 );
// Add upgrade schedule.
add_action( 'smush_upgrade_to_pro', array( $this, 'upgrade_to_pro' ) );
}
/**
* Includes.
*
* @since 2.9.0
*/
private function includes() {
/**
* Installer class.
*
* @noinspection PhpIncludeInspection
*/
require_once WP_SMUSH_DIR . 'core/class-wp-smush-installer.php';
/**
* Settings class.
*
* @noinspection PhpIncludeInspection
*/
require_once WP_SMUSH_DIR . 'core/class-wp-smush-settings.php';
/**
* Include core class.
*
* @noinspection PhpIncludeInspection
*/
require_once WP_SMUSH_DIR . 'core/class-wp-smush-core.php';
/**
* Include admin class.
*
* @noinspection PhpIncludeInspection
*/
require_once WP_SMUSH_DIR . 'core/class-wp-smush-admin.php';
/**
* Include API classes.
*
* @noinspection PhpIncludeInspection
*/
require_once WP_SMUSH_DIR . 'core/api/class-wp-smush-api.php';
/* @noinspection PhpIncludeInspection */
require_once WP_SMUSH_DIR . 'core/api/class-wp-smush-api-request.php';
}
/**
* Init core module.
*
* @since 2.9.0
*/
private function init() {
try {
$this->api = new WP_Smush_API( self::get_api_key() );
} catch ( Exception $e ) {
// Unable to init API for some reason.
}
self::$is_pro = $this->validate_install();
$this->core = new WP_Smush_Core();
$this->admin = new WP_Smush_Admin();
if ( defined( 'WP_CLI' ) && WP_CLI ) {
/* @noinspection PhpIncludeInspection */
require_once WP_SMUSH_DIR . 'core/class-wp-smush-cli-command.php';
}
}
/**
* Getter method for core.
*
* @since 2.9.0
*
* @return WP_Smush_Core
*/
public function core() {
return $this->core;
}
/**
* Getter method for core.
*
* @since 2.9.0
*
* @return WP_Smush_Admin
*/
public function admin() {
return $this->admin;
}
/**
* Getter method for core.
*
* @since 3.0
*
* @return WP_Smush_API
*/
public function api() {
return $this->api;
}
/**
* Return PRO status.
*
* @since 2.9.0
*
* @return bool
*/
public static function is_pro() {
return self::$is_pro;
}
/**
* Filters the rating message, include stats if greater than 1Mb
*
* @param string $message Message text.
*
* @return string
*/
public function wp_smush_rating_message( $message ) {
if ( empty( $this->core()->stats ) ) {
$this->core()->setup_global_stats();
}
$savings = $this->core()->stats;
$show_stats = false;
// If there is any saving, greater than 1Mb, show stats.
if ( ! empty( $savings ) && ! empty( $savings['bytes'] ) && $savings['bytes'] > 1048576 ) {
$show_stats = true;
}
$message = "Hey %s, you've been using %s for a while now, and we hope you're happy with it.";
// Conditionally Show stats in rating message.
if ( $show_stats ) {
$message .= sprintf( " You've smushed <strong>%s</strong> from %d images already, improving the speed and SEO ranking of this site!", $savings['human'], $savings['total_images'] );
}
$message .= " We've spent countless hours developing this free plugin for you, and we would really appreciate it if you dropped us a quick rating!";
return $message;
}
/**
* NewsLetter
*
* @param string $message Message text.
*
* @return string
*/
public function wp_smush_email_message( $message ) {
$message = "You're awesome for installing %s! Site speed isn't all image optimization though, so we've
collected all the best speed resources we know in a single email - just for users of Smush!";
return $message;
}
/**
* Register sub-modules.
* Only for wordpress.org members.
*/
public function register_free_modules() {
if ( false === strpos( WP_SMUSH_DIR, 'wp-smushit' ) ) {
return;
}
/* @noinspection PhpIncludeInspection */
require_once WP_SMUSH_DIR . 'core/external/free-dashboard/module.php';
// Register the current plugin.
do_action(
'wdev-register-plugin',
/* 1 Plugin ID */ WP_SMUSH_BASENAME,
/* 2 Plugin Title */ 'Smush',
/* 3 https://wordpress.org */ '/plugins/wp-smushit/',
/* 4 Email Button CTA */ __( 'Get Fast!', 'wp-smushit' ),
/* 5 Mailchimp List id for the plugin - e.g. 4b14b58816 is list id for Smush */ '4b14b58816'
);
// The rating message contains 2 variables: user-name, plugin-name.
add_filter( 'wdev-rating-message-' . WP_SMUSH_BASENAME, array( $this, 'wp_smush_rating_message' ) );
// The email message contains 1 variable: plugin-name.
add_filter( 'wdev-email-message-' . WP_SMUSH_BASENAME, array( $this, 'wp_smush_email_message' ) );
}
/**
* Register sub-modules.
* Only for WPMU DEV Members.
*/
public function register_pro_modules() {
if ( ! file_exists( WP_SMUSH_DIR . 'core/external/dash-notice/wpmudev-dash-notification.php' ) ) {
return;
}
// Register items for the dashboard plugin.
global $wpmudev_notices;
$wpmudev_notices[] = array(
'id' => 912164,
'name' => 'WP Smush Pro',
'screens' => array(
'upload',
'toplevel_page_smush',
'toplevel_page_smush-network',
),
);
/* @noinspection PhpIncludeInspection */
require_once WP_SMUSH_DIR . 'core/external/dash-notice/wpmudev-dash-notification.php';
}
/**
* Check if user is premium member, check for API key.
*
* @return bool True if a premium member, false if regular user.
*/
public function validate_install() {
if ( isset( self::$is_pro ) ) {
return self::$is_pro;
}
// No API key set, always false.
$api_key = self::get_api_key();
if ( empty( $api_key ) ) {
return false;
}
// Flag to check if we need to revalidate the key.
$revalidate = false;
$api_auth = get_site_option( 'wp_smush_api_auth' );
// Check if need to revalidate.
if ( ! $api_auth || empty( $api_auth ) || empty( $api_auth[ $api_key ] ) ) {
$revalidate = true;
} else {
$last_checked = $api_auth[ $api_key ]['timestamp'];
$valid = $api_auth[ $api_key ]['validity'];
$diff = current_time( 'timestamp' ) - $last_checked;
// Difference in hours.
$diff_h = $diff / 3600;
// Difference in minutes.
$diff_m = $diff / 60;
switch ( $valid ) {
case 'valid':
// If last checked was more than 12 hours.
if ( $diff_h > 12 ) {
$revalidate = true;
}
break;
case 'invalid':
default:
// If last checked was more than 24 hours.
if ( $diff_h > 24 ) {
$revalidate = true;
}
break;
case 'network_failure':
// If last checked was more than 5 minutes.
if ( $diff_m > 5 ) {
$revalidate = true;
}
break;
}
}
// If we are suppose to validate API, update the results in options table.
if ( $revalidate ) {
if ( empty( $api_auth[ $api_key ] ) ) {
// For api key resets.
$api_auth[ $api_key ] = array();
// Storing it as valid, unless we really get to know from API call.
$api_auth[ $api_key ]['validity'] = 'valid';
}
// Aaron suggested to Update timestamp before making the API call, to avoid any concurrent calls, clever.
$api_auth[ $api_key ]['timestamp'] = current_time( 'timestamp' );
update_site_option( 'wp_smush_api_auth', $api_auth );
$request = $this->api()->check();
if ( ! is_wp_error( $request ) && 200 === wp_remote_retrieve_response_code( $request ) ) {
$result = json_decode( wp_remote_retrieve_body( $request ) );
if ( ! empty( $result->success ) && $result->success ) {
$valid = 'valid';
update_site_option( WP_SMUSH_PREFIX . 'cdn_status', $result->data );
} else {
$valid = 'invalid';
}
} else {
$valid = 'network_failure';
}
// Reset value.
$api_auth = array();
// Add a fresh timestamp.
$timestamp = current_time( 'timestamp' );
$api_auth[ $api_key ] = array(
'validity' => $valid,
'timestamp' => $timestamp,
);
// Update API validity.
update_site_option( 'wp_smush_api_auth', $api_auth );
}
self::$is_pro = isset( $valid ) && ( 'valid' === $valid );
return self::$is_pro;
}
/**
* Returns api key.
*
* @return mixed
*/
private static function get_api_key() {
$api_key = false;
// If API key defined manually, get that.
if ( defined( 'WPMUDEV_APIKEY' ) && WPMUDEV_APIKEY ) {
$api_key = WPMUDEV_APIKEY;
} elseif ( class_exists( 'WPMUDEV_Dashboard' ) ) {
// If dashboard plugin is active, get API key from db.
$api_key = get_site_option( 'wpmudev_apikey' );
}
return $api_key;
}
/**
* Upgrade free version to pro.
*
* @since 3.1.1
*/
public function upgrade_to_pro() {
if ( WPMUDEV_Dashboard::$upgrader->install( self::$project_id ) ) {
delete_site_option( 'smush_cron_update_running' );
activate_plugin( 'wp-smush-pro/wp-smush.php' );
// Do we need to deactivate?
deactivate_plugins( 'wp-smushit/wp-smush.php', true );
define( 'WP_SMUSH_PRESERVE_STATS', true );
delete_plugins( array( 'wp-smushit/wp-smush.php' ) );
}
}
/**
* Check if we can upgrade to Pro version.
*
* @since 3.1.1
*/
private function maybe_upgrade_to_pro() {
if ( 'wp-smush-pro/wp-smush.php' === plugin_basename( __FILE__ ) ) {
return;
}
// Check that dashboard plugin is installed.
if ( ! class_exists( 'WPMUDEV_Dashboard' ) ) {
return;
}
if ( ! is_object( WPMUDEV_Dashboard::$api ) ) {
return;
}
if ( ! method_exists( WPMUDEV_Dashboard::$api, 'has_key' ) ) {
return;
}
// If user can't install - exit.
if ( ! WPMUDEV_Dashboard::$upgrader->user_can_install( self::$project_id ) ) {
return;
}
// Check permissions and configuration.
if ( ! WPMUDEV_Dashboard::$upgrader->can_auto_install( self::$project_id ) ) {
return;
}
$plugin = WPMUDEV_Dashboard::$api->get_project_data( self::$project_id );
if ( version_compare( WP_SMUSH_VERSION, $plugin['version'], '>' ) ) {
return;
}
$running_cron_update = get_site_option( 'smush_cron_update_running' );
if ( empty( $running_cron_update ) ) {
// Schedule upgrade.
wp_schedule_single_event( time(), 'smush_upgrade_to_pro' );
update_site_option( 'smush_cron_update_running', true );
}
}
} // End class.
} // End if() check.
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