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<?php
/**
* @package WP Smush
* @subpackage Admin
* @since 2.6
*
* @author Umesh Kumar <umesh@incsub.com>
*
* @copyright (c) 2016, Incsub (http://incsub.com)
*/
if ( ! class_exists( 'WpSmushDir' ) ) {
class WpSmushDir {
/**
* @var Contains a list of optimised images
*/
public $optimised_images;
/**
* @var Total Stats for the image optimisation
*
*/
public $stats;
function __construct() {
if ( ! $this->should_continue() ) {
return;
}
//Hook early for free version, in order to display it before the advanced settings
add_action( 'wp_smush_before_advanced_settings', array( $this, 'ui' ) );
//Hook UI at the end of Settings UI
add_action( 'smush_settings_ui_bottom', array( $this, 'ui' ), 11 );
//Output Stats after Resize savings
add_action( 'stats_ui_after_resize_savings', array( $this, 'stats_ui' ) );
//Handle Ajax request 'smush_get_directory_list'
add_action( 'wp_ajax_smush_get_directory_list', array( $this, 'directory_list' ) );
//Scan the given directory path for the list of images
add_action( 'wp_ajax_image_list', array( $this, 'image_list' ) );
//Handle Ajax Request to optimise images
add_action( 'wp_ajax_optimise', array( $this, 'optimise' ) );
//Handle Exclude path request
add_action( 'wp_ajax_smush_exclude_path', array( $this, 'smush_exclude_path' ) );
//Handle Ajax request: resume scan
add_action( 'wp_ajax_resume_scan', array( $this, 'resume_scan' ) );
//Handle Ajax request for directory smush stats
add_action( 'wp_ajax_get_dir_smush_stats', array( $this, 'get_dir_smush_stats' ) );
//Add Directory list overlay at the end of content
add_action( 'admin_footer', array( $this, 'directory_list_dialog' ) );
}
/**
* Do not display Directory smush for Subsites
*
* @return bool True/False, whether to display the Directory smush or not
*
*/
function should_continue() {
//Do not show directory smush, if not main site in a network
if ( is_multisite() && ! is_main_site() ) {
return false;
}
return true;
}
function stats_ui() { ?>
<hr/><?php
$dir_smush_stats = get_option( 'dir_smush_stats' );
$human = $percent = 0;
if ( ! empty( $dir_smush_stats ) && ! empty( $dir_smush_stats['dir_smush'] ) ) {
$human = ! empty( $dir_smush_stats['dir_smush']['bytes'] ) && $dir_smush_stats['dir_smush']['bytes'] > 0 ? $dir_smush_stats['dir_smush']['bytes'] : 0;
$percent = ! empty( $dir_smush_stats['dir_smush']['percent'] ) && $dir_smush_stats['dir_smush']['percent'] > 0 ? number_format_i18n( $dir_smush_stats['dir_smush']['percent'], 1, '.', '' ) : 0;
} ?>
<!-- Savings from Directory Smush -->
<div class="row smush-dir-savings">
<span class="float-l wp-smush-stats-label"><strong><?php esc_html_e( "Directory-smush savings", "wp-smushit" ); ?></strong></span>
<span class="wp-smush-stats<?php echo $human > 0 ? ' float-r' : ' float-l' ?>">
<span class="spinner" style="visibility: visible"
title="<?php esc_html_e( "Updating Stats", "wp-smushit" ); ?>"></span>
<?php
if ( $human < 0 ) { ?>
<span class="wp-smush-stats-human"> <?php echo size_format( $human, 1 ); ?></span><?php
//Output percentage only if > 1
if ( $percent > 1 ) { ?>
<span class="wp-smush-stats-sep">/</span>
<span class="wp-smush-stats-percent"><?php echo ! empty( $percent ) ? $percent : ''; ?>
%</span><?php
}
} else { ?>
<span class="wp-smush-stats-human settings-desc"><?php esc_html_e( "Smush images that aren't located in your uploads folder.", "wp-smushit" ); ?>
<a href="#wp-smush-dir-browser" class="wp-smush-dir-link"
title="<?php esc_html_e( "Select a directory you'd like to Smush.", "wp-smushit" ); ?>"><?php esc_html_e( "Choose directory", "wp-smushit" ); ?></a>
</span>
<span class="wp-smush-stats-sep hidden">/</span>
<span class="wp-smush-stats-percent"></span>
<?php } ?>
</span>
</div><?php
}
/**
* Create the Smush image table to store the paths of scanned images, and stats
*/
function create_table() {
global $wpdb;
//Run the query only on directory smush page
if ( ! isset( $_GET['page'] ) || 'smush' != $_GET['page'] ) {
return null;
}
$charset_collate = $wpdb->get_charset_collate();
/**
* Table: wp_smush_dir_images
* Columns:
* id -> Auto Increment ID
* path -> Absolute path to the image file
* resize -> Whether the image was resized or not
* lossy -> Whether the image was super-smushed/lossy or not
* image_size -> Current image size post optimisation
* orig_size -> Original image size before optimisation
* file_time -> Unix time for the file creation, to match it against the current creation time,
* in order to confirm if it is optimised or not
* last_scan -> Timestamp, Get images form last scan by latest timestamp
* are from latest scan only and not the whole list from db
* meta -> For any future use
*
*/
$sql = "CREATE TABLE {$wpdb->prefix}smush_dir_images (
id mediumint(9) NOT NULL AUTO_INCREMENT,
path text NOT NULL,
path_hash CHAR(32),
resize varchar(55),
lossy varchar(55),
error varchar(55) DEFAULT NULL,
image_size int(10) unsigned,
orig_size int(10) unsigned,
file_time int(10) unsigned,
last_scan timestamp DEFAULT '0000-00-00 00:00:00',
meta text,
UNIQUE KEY id (id),
UNIQUE KEY path_hash (path_hash),
KEY image_size (image_size)
) $charset_collate;";
// include the upgrade library to initialize a table
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
dbDelta( $sql );
}
/**
* Get the image ids and path for last scanned images
*
* @return array Array of last scanned images containing image id and path
*/
function get_scanned_images() {
global $wpdb;
$query = "SELECT id, path, orig_size FROM {$wpdb->prefix}smush_dir_images WHERE last_scan = (SELECT MAX(last_scan) FROM {$wpdb->prefix}smush_dir_images ) GROUP BY id ORDER BY id";
$results = $wpdb->get_results( $query, ARRAY_A );
//Return image ids
if ( is_wp_error( $results ) ) {
error_log( sprintf( "WP Smush Query Error in %s at %s: %s", __FILE__, __LINE__, $results->get_error_message() ) );
$results = array();
}
return $results;
}
/**
* Check if there is any unsmushed image from last scan
*
* @return bool True/False
*
*/
function get_unsmushed_image() {
global $wpdb, $WpSmush;
// If super-smush enabled, add lossy check.
$lossy_condition = $WpSmush->lossy_enabled ? '(image_size IS NULL OR lossy <> 1)' : 'image_size IS NULL';
$query = $wpdb->prepare( "SELECT id FROM {$wpdb->prefix}smush_dir_images WHERE $lossy_condition && last_scan = (SELECT MAX(last_scan) FROM {$wpdb->prefix}smush_dir_images t2 ) GROUP BY id ORDER BY id LIMIT %d", 1 );
$results = $wpdb->get_col( $query );
//If The query went through
if ( empty( $results ) ) {
return false;
} elseif ( is_wp_error( $results ) ) {
error_log( sprintf( "WP Smush Query Error in %s at %s: %s", __FILE__, __LINE__, $results->get_error_message() ) );
return false;
}
return true;
}
/**
* Prints a resume button if required
*/
function show_resume_button() {
if ( ! $this->get_unsmushed_image() ) {
return null;
}
//Print the button ?>
<button class="wp-smush-resume wp-smush-button button"><?php esc_html_e( "RESUME LAST SCAN", "wp-smushit" ); ?></button><?php
}
/**
* Output the required UI for WP Smush All page
*/
function ui() {
global $WpSmush, $wpsmushit_admin, $wpsmush_bulkui;
//Print Directory Smush UI, if not a network site
if ( is_network_admin() ) {
return;
}
//Remove the early hook
if ( $WpSmush->validate_install() ) {
remove_action( 'wp_smush_before_advanced_settings', array( $this, 'ui' ) );
} else {
remove_action( 'smush_settings_ui_bottom', array( $this, 'ui' ), 11 );
}
//Reset the bulk limit
if ( ! $WpSmush->validate_install() ) {
//Reset Transient
$wpsmushit_admin->check_bulk_limit( true, 'dir_sent_count' );
}
wp_nonce_field( 'smush_get_dir_list', 'list_nonce' );
wp_nonce_field( 'smush_get_image_list', 'image_list_nonce' );
$upgrade_url = add_query_arg(
array(
'utm_source' => 'smush',
'utm_medium' => 'plugin',
'utm_campaign' => 'smush_directorysmush_limit_notice'
),
$wpsmushit_admin->upgrade_url
);
/** Directory Browser and Image List **/
$wpsmush_bulkui->container_header( 'wp-smush-dir-browser', 'wp-smush-dir-browser', esc_html__( "DIRECTORY SMUSH", "wp-smushit" ) ); ?>
<div class="box-content">
<div class="row">
<div class="wp-smush-dir-desc roboto-regular">
<!-- Description -->
<?php esc_html_e( "In addition to smushing your media uploads, you may want to also smush images living outside your uploads directory. Simply add any directories you wish to smush and bulk smush away!", "wp-smushit" ); ?>
</div>
<!-- Directory Path -->
<input type="hidden" class="wp-smush-dir-path" value=""/>
<div class="wp-smush-scan-result hidden">
<hr class="primary-separator"/>
<div class="content">
<!-- Show a list of images, inside a fixed height div, with a scroll. As soon as the image is
optimised show a tick mark, with savings below the image. Scroll the li each time for the
current optimised image -->
</div>
<!-- Notices -->
<div class="wp-smush-notice wp-smush-dir-all-done hidden">
<i class="icon-fi-check-tick"></i><?php esc_html_e( "All images for the selected directory are smushed and up to date. Awesome!", "wp-smushit" ); ?>
</div>
<div class="wp-smush-notice wp-smush-dir-remaining hidden">
<i class="icon-fi-warning-alert"></i><?php printf( esc_html__( "%s/%s image(s) were successfully smushed, however %s image(s) could not be smushed due to an error.", "wp-smushit" ), '<span class="wp-smush-dir-smushed"></span>', '<span class="wp-smush-dir-total"></span>', '<span class="wp-smush-dir-remaining"></span>' ); ?>
</div>
<div class="wp-smush-notice wp-smush-dir-limit hidden">
<i class="icon-fi-info"></i><?php printf( esc_html__( " %sUpgrade to pro%s to bulk smush all your directory images with one click. Free users can smush 50 images with each click.", "wp-smushit" ), '<a href="' . esc_url( $upgrade_url ) . '" target="_blank" title="' . esc_html__( "Smush Pro", "wp-smushit" ) . '">', '</a>' ); ?>
</div>
<div class="wp-smush-all-button-wrap bottom">
<!-- @todo: Check status of the images in last scan and do not show smush now button, if already finished -->
<button class="wp-smush-start"><?php esc_html_e( "BULK SMUSH", "wp-smushit" ); ?></button>
<button type="button"
title="<?php esc_html_e( "Click to stop the directory smushing process.", "wp-smushit" ); ?>"
class="button button-grey wp-smush-pause disabled"><?php esc_html_e( "CANCEL", "wp-smushit" ); ?></button>
<span class="spinner"></span>
</div><?php
//Nonce Field
wp_nonce_field( 'wp_smush_all', 'wp-smush-all' ); ?>
<input type="hidden" name="wp-smush-continue-ajax" value=1>
</div>
<div class="dir-smush-button-wrap">
<button class="wp-smush-browse wp-smush-button button"><?php esc_html_e( "CHOOSE DIRECTORY", "wp-smushit" ); ?></button><?php
//Optionally show a resume button, if there were images left from last scan
$this->show_resume_button(); ?>
<span class="spinner"></span>
</div>
<input type="hidden" name="wp-smush-base-path" value="<?php echo $this->get_root_path(); ?>">
</div>
</div><?php
echo "</section>";
}
/**
* Check if the image file is media library file
*
* @param $file_path
*
* @return bool
*
*/
function is_media_library_file( $file_path ) {
$upload_dir = wp_upload_dir();
$upload_path = $upload_dir["path"];
//Get the base path of file
$base_dir = dirname( $file_path );
if ( $base_dir == $upload_path ) {
return true;
}
return false;
}
/**
* Return a directory/File list
*
* PHP Connector
*/
function directory_list() {
//Check For Permission
if ( ! current_user_can( 'manage_options' ) || ! is_user_logged_in() ) {
wp_send_json_error( "Unauthorized" );
}
//Verify nonce
check_ajax_referer( 'smush_get_dir_list', 'list_nonce' );
//Get the Root path for a main site or subsite
$root = realpath( $this->get_root_path() );
$dir = isset( $_GET['dir'] ) ? ltrim( $_GET['dir'], '/' ) : null;
$postDir = strlen( $dir ) > 1 ? path_join( $root, $dir ) : $root . $dir;
$postDir = realpath( rawurldecode( $postDir ) );
//If the final path doesn't contains the root path, bail out.
if ( ! $root || $postDir === false || strpos( $postDir, $root ) !== 0 ) {
wp_send_json_error( "Unauthorized" );
}
$supported_image = array(
'gif',
'jpg',
'jpeg',
'png'
);
$list = '';
if ( file_exists( $postDir ) ) {
$files = scandir( $postDir );
//Exclude hidden files
if ( ! empty( $files ) ) {
$files = preg_grep( '/^([^.])/', $files );
}
$returnDir = substr( $postDir, strlen( $root ) );
natcasesort( $files );
if ( count( $files ) > 2 ) {
$list = "<ul class='jqueryFileTree' tabindex='0'>";
foreach ( $files as $file ) {
$htmlRel = htmlentities( ltrim( path_join( $returnDir, $file ), '/' ) );
$htmlName = htmlentities( $file );
$ext = preg_replace( '/^.*\./', '', $file );
$file_path = path_join( $postDir, $file );
if ( file_exists( $file_path ) && $file != '.' && $file != '..' ) {
if ( is_dir( $file_path ) && ! $this->skip_dir( $file_path ) ) {
//Skip Uploads folder - Media Files
$list .= "<li class='directory collapsed'><a rel='" . $htmlRel . "/' tabindex='0'>" . $htmlName . "</a></li><br />";
} else if ( in_array( $ext, $supported_image ) && ! $this->is_media_library_file( $file_path ) ) {
$list .= "<li class='file ext_{$ext}'><a rel='" . $htmlRel . "' tabindex='0'>" . $htmlName . "</a></li><br />";
}
}
}
$list .= "</ul>";
}
}
echo $list;
die();
}
public function get_root_path() {
if ( is_main_site() ) {
return rtrim( get_home_path(), '/' );
} else {
$up = wp_upload_dir();
return $up['basedir'];
}
}
/**
* @param SplFileInfo $file
* @param mixed $key
* @param RecursiveCallbackFilterIterator $iterator
*
* @return bool True if you need to recurse or if the item is acceptable
*/
function exclude( $file, $key, $iterator ) {
// Will exclude everything under these directories
$exclude_dir = array( '.git', 'test' );
//Exclude from the list, if one of the media upload folders
if ( $this->skip_dir( $file->getPath() ) ) {
return true;
}
//Exclude Directories like git, and test
if ( $iterator->hasChildren() && ! in_array( $file->getFilename(), $exclude_dir ) ) {
return true;
}
//Do not exclude, if image
if ( $file->isFile() && $this->is_image_from_extension( $file->getPath() ) ) {
return true;
}
return $file->isFile();
}
/**
* Display a progress bar for the images in particular directory
*
* @param $count
* @param $optimised
* @param $dir_path
*
* @return bool|string
*/
function progress_ui( $count, $optimised, $dir_path ) {
if ( ! $count ) {
return false;
}
$width = ( $optimised > 0 ) ? ( $optimised / $count ) * 100 : 0;
$class = 0 < $width && 100 == $width ? 'complete' : 'partial';
$o_class = 0 == $width ? 'hidden' : '';
$content = "<div class='wp-smush-dir-progress-wrap {$o_class}'>";
$content .= '<span class="smush-percent">' . number_format_i18n( $width, 0 ) . '% </span>';
$content .= "<div class='wp-smush-dir-progress-wrap-inner'>
<span class='wp-smush-dir-progress {$class}' style='width: {$width}px'></span>
</div>
</div>";
$content .= 0 == $width ? "<a href='#' class='wp-smush-exclude-dir' data-path='" . $dir_path . "' title='" . esc_html__( "Exclude directory from Smush List", "wp-smushit" ) . "'>×</a>" : '';
return $content;
}
/**
* Get the image list in a specified directory path
*
* @param string $path
*
* @return string
*/
function get_image_list( $path = '' ) {
global $wpdb, $wpsmush_helper;
//Return Error if not a valid directory path
if ( ! is_dir( $path ) ) {
wp_send_json_error( array( "message" => "Not a valid directory path" ) );
}
$base_dir = empty( $path ) ? ltrim( $_GET['path'], '/' ) : $path;
$base_dir = realpath( rawurldecode( $base_dir ) );
if ( ! $base_dir ) {
wp_send_json_error( array( "message" => "Unauthorized" ) );
}
//Store the path in option
update_option( 'wp-smush-dir_path', $base_dir, false );
//Directory Iterator, Exclude . and ..
$dirIterator = new RecursiveDirectoryIterator(
$base_dir
//PHP 5.2 compatibility
//RecursiveDirectoryIterator::SKIP_DOTS
);
$filtered_dir = new WPSmushRecursiveFilterIterator( $dirIterator );
//File Iterator
$iterator = new RecursiveIteratorIterator( $filtered_dir,
RecursiveIteratorIterator::CHILD_FIRST
);
//Iterate over the file List
$files_arr = array();
$images = array();
$count = 0;
$timestamp = gmdate( 'Y-m-d H:i:s' );
$values = array();
//Temporary Increase the limit
$wpsmush_helper->increase_memory_limit();
foreach ( $iterator as $path ) {
//Used in place of Skip Dots, For php 5.2 compatability
if ( basename( $path ) == '..' || basename( $path ) == '.' ) {
continue;
}
if ( $path->isFile() ) {
$file_path = $path->getPathname();
$file_name = $path->getFilename();
if ( $this->is_image( $file_path ) && ! $this->is_media_library_file( $file_path ) && strpos( $path, '.bak' ) === false ) {
/** To generate Markup **/
$dir_name = dirname( $file_path );
//Initialize if dirname doesn't exists in array already
if ( ! isset( $files_arr[ $dir_name ] ) ) {
$files_arr[ $dir_name ] = array();
}
$files_arr[ $dir_name ][ $file_name ] = $file_path;
/** End */
//Get the file modification time
$file_time = @filectime( $file_path );
/** To be stored in DB, Part of code inspired from Ewwww Optimiser */
$image_size = $path->getSize();
$images [] = $file_path;
$images [] = md5($file_path );
$images [] = $image_size;
$images [] = $file_time;
$images [] = $timestamp;
$values[] = '(%s, %s, %d, %d, %s)';
$count ++;
}
}
//Store the Images in db at an interval of 5k
if ( $count >= 5000 ) {
$count = 0;
$query = $this->build_query( $values, $images );
$images = $values = array();
$wpdb->query( $query );
}
}
//Update rest of the images
if ( ! empty( $images ) && $count > 0 ) {
$query = $this->build_query( $values, $images );
$wpdb->query( $query );
}
//remove scanne dimages from cache
wp_cache_delete( 'wp_smush_scanned_images' );
//Get the image ids
$images = $this->get_scanned_images();
//Store scanned images in cache
wp_cache_add( 'wp_smush_scanned_images', $images );
return array( 'files_arr' => $files_arr, 'base_dir' => $base_dir, 'image_items' => $images );
}
/**
* Build and prepare query from the given values and image array
*
* @param $values
* @param $images
*
* @return bool|string|void
*/
function build_query( $values, $images ) {
if ( empty( $images ) || empty( $values ) ) {
return false;
}
global $wpdb;
$values = implode( ',', $values );
//Replace with image path and respective parameters
$query = "INSERT INTO {$wpdb->prefix}smush_dir_images (path, path_hash, orig_size,file_time,last_scan) VALUES $values ON DUPLICATE KEY UPDATE image_size = IF( file_time < VALUES(file_time), NULL, image_size ), file_time = IF( file_time < VALUES(file_time), VALUES(file_time), file_time ), last_scan = VALUES( last_scan )";
$query = $wpdb->prepare( $query, $images );
return $query;
}
/**
* Sends a Ajax response if no images are found in selected directory
*/
function send_error() {
$message = sprintf( "<div class='wp-smush-info notice notice-info roboto-regular'>%s</div>", esc_html__( "We could not find any images in the selected directory.", "wp-smushit" ) );
wp_send_json_error( array( 'message' => $message ) );
}
/**
* Handles Ajax request to obtain the Image list within a selected directory path
*
*/
function image_list() {
//Check For Permission
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( "Unauthorized" );
}
//Verify nonce
check_ajax_referer( 'smush_get_image_list', 'image_list_nonce' );
//Check if directory path is set or not
if ( empty( $_GET['smush_path'] ) ) {
wp_send_json_error( "Empth Directory Path" );
}
//Get the File list
$files = $this->get_image_list( $_GET['smush_path'] );
//If files array is empty, send a message
if ( empty( $files['files_arr'] ) ) {
$this->send_error();
}
//Get the markup from the list
$markup = $this->generate_markup( $files );
//Send response
wp_send_json_success( $markup );
}
/**
* Check whether the given path is a image or not
*
* Do not include backup files
*
* @param $path
*
* @return bool
*
*/
function is_image( $path ) {
//Check if the path is valid
if ( ! file_exists( $path ) || ! $this->is_image_from_extension( $path ) ) {
return false;
}
$a = @getimagesize( $path );
//If a is not set
if ( ! $a || empty( $a ) ) {
return false;
}
$image_type = $a[2];
if ( in_array( $image_type, array( IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG ) ) ) {
return true;
}
return false;
}
/**
* Obtain the path to the admin directory.
*
* @return string
*
* Thanks @andrezrv (Github)
*
*/
function get_admin_path() {
// Replace the site base URL with the absolute path to its installation directory.
$admin_path = rtrim( str_replace( get_bloginfo( 'url' ) . '/', ABSPATH, get_admin_url() ), '/' );
// Make it filterable, so other plugins can hook into it.
$admin_path = apply_filters( 'wp_smush_get_admin_path', $admin_path );
return $admin_path;
}
/**
* Check if the given file path is a supported image format
*
* @param $path File Path
*
* @return bool Whether a image or not
*/
function is_image_from_extension( $path ) {
$supported_image = array(
'gif',
'jpg',
'jpeg',
'png'
);
$ext = strtolower( pathinfo( $path, PATHINFO_EXTENSION ) ); // Using strtolower to overcome case sensitive
if ( in_array( $ext, $supported_image ) ) {
return true;
}
return false;
}
/**
* Excludes the Media Upload Directory ( Checks for Year and Month )
*
* @param $path
*
* @return bool
*
* Borrowed from Shortpixel - (y)
*
* @todo: Add a option to filter images if User have turned off the Year and Month Organize option
*
*/
public function skip_dir( $path ) {
//Admin Directory path
$admin_dir = $this->get_admin_path();
//Includes directory path
$includes_dir = ABSPATH . WPINC;
//Upload Directory
$upload_dir = wp_upload_dir();
$base_dir = $upload_dir["basedir"];
$skip = false;
//Skip sites folder for Multisite
if ( false !== strpos( $path, $base_dir . '/sites' ) ) {
$skip = true;
} else if ( false !== strpos( $path, $base_dir ) ) {
//If matches the current upload path
//contains one of the year subfolders of the media library
$pathArr = explode( '/', str_replace( $base_dir . '/', "", $path ) );
if ( count( $pathArr ) >= 1
&& is_numeric( $pathArr[0] ) && $pathArr[0] > 1900 && $pathArr[0] < 2100 //contains the year subfolder
&& ( count( $pathArr ) == 1 //if there is another subfolder then it's the month subfolder
|| ( is_numeric( $pathArr[1] ) && $pathArr[1] > 0 && $pathArr[1] < 13 ) )
) {
$skip = true;
}
} elseif ( ( false !== strpos( $path, $admin_dir ) ) || false !== strpos( $path, $includes_dir ) ) {
$skip = true;
}
/**
* Can be used to skip/include folders matching a specific directory path
*
*/
apply_filters( 'wp_smush_skip_folder', $skip, $path );
return $skip;
}
/**
* Creates a tree out of Given path array
*
* @param $path_list Array of path and images
* @param $base_dir Selected Base Path for the image search
*
* @return array Array of images, Child Directories and images inside
*
*/
function build_tree( $path_list, $base_dir ) {
$path_tree = array();
foreach ( $path_list as $path => $images ) {
$path = str_replace( $base_dir, '', $path );
$list = explode( '/', trim( $path, '/' ), 3 );
$last_dir = &$path_tree;
$length = sizeof( $list );
foreach ( $list as $dir ) {
$length --;
$last_dir =& $last_dir[ $dir ];
}
}
return $path_tree;
}
/**
* Returns the count of optimised image
*
* @param array $images
*
* @return int
*/
function optimised_count( $images = array() ) {
//If we have optimised images
if ( ! empty( $images ) && is_array( $images ) ) {
$optimised = 0;
if ( ! is_array( $this->optimised_images ) ) {
return 0;
}
foreach ( $images as $item ) {
//Check if the image is already in optimised list
if ( array_key_exists( $item, $this->optimised_images ) ) {
$optimised ++;
}
}
}
return $optimised;
}
/**
*
* Search for image id from path
*
* @param $path Image path to be searched
* @param $images Array of images
*
* @return image id
*/
function get_image_id( $path, $images ) {
foreach ( $images as $key => $val ) {
if ( $val['path'] === $path ) {
return $val['id'];
}
}
return null;
}
/**
*
* Search for image id from path
*
* @param $path Image path to be searched
* @param $images Array of images
*
* @return image id
*/
function get_image_path( $id, $images ) {
foreach ( $images as $key => $val ) {
if ( $val['id'] === $id ) {
return $val['path'];
}
}
return null;
}
/**
* Search for image from given image id or path
*
* @param string $id Image id to search for
* @param string $path Image path to search for
* @param $images Image array to search within
*
* @return Image array or Empty array
*/
function get_image( $id = '', $path = '', $images ) {
foreach ( $images as $key => $val ) {
if ( ! empty( $id ) && $val['id'] == $id ) {
return $images[ $key ];
} elseif ( ! empty( $path ) && $val['path'] == $path ) {
return $images[ $key ];
}
}
return array();
}
/*
* Generate the markup for all the images
*/
function generate_markup( $images ) {
global $wpsmush_helper;
if ( empty( $images ) || empty( $images['files_arr'] ) || empty( $images['image_items'] ) ) {
return null;
}
$this->total_stats();
$div = wp_nonce_field( 'wp-smush-exclude-path', 'exclude-path-nonce', '', false );
$div .= '<ul class="wp-smush-image-list roboto-regular" tabindex="0">';
//Flag - Whether to print top hr tag or not
$hr = true;
//Flag - Not to print hr tag, if first element is ul in the scanned image list
$index = 1;
$files_arr = $images['files_arr'];
$plugin_path = array(
path_join( WP_PLUGIN_DIR, 'wp-smushit' ),
path_join( WP_PLUGIN_DIR, 'wp-smush-pro' ),
);
foreach ( $files_arr as $image_path => $image ) {
$count = sizeof( $image );
$wrapper_class = '';
if ( is_array( $image ) && $count > 1 ) {
//Get the number of optimised images for the given image array
$optimised_count = $this->optimised_count( $image );
if ( $optimised_count > 0 ) {
$wrapper_class = $count == $optimised_count ? 'complete' : 'partial';
}
//Mark Smush plugin images optimised
if ( false !== $wpsmush_helper->strposa( $image_path, $plugin_path ) ) {
$wrapper_class = 'complete';
//Show 100% progress bar for Smush
$optimised_count = $count;
}
$div .= "<li class='wp-smush-image-ul {$wrapper_class}'>";
if ( $hr && $index > 1 ) {
$div .= "<hr/>";
}
$div .= "<div class='image-list-wrapper'><span class='wp-smush-li-path'>{$image_path} <span class='wp-smush-image-count'>" . sprintf( esc_html__( "%d images", "wp-smushit" ), $count ) . "</span></span>";
$div .= $this->progress_ui( $count, $optimised_count, $image_path ) . '</div>';
$div .= "<ul class='wp-smush-image-list-inner' tabindex='0'>";
foreach ( $image as $item ) {
//Check if the image is already in optimised list
$class = is_array( $this->optimised_images ) && array_key_exists( $item, $this->optimised_images ) ? ' optimised' : '';
//Mark Smush images optimised
if ( false !== $wpsmush_helper->strposa( $item, $plugin_path ) ) {
$class = ' optimised';
}
$image_id = $this->get_image_id( $item, $images['image_items'] );
if( !empty( $image_id ) ) {
$div .= "<li class='wp-smush-image-ele{$class}' id='{$image_id}'><span class='wp-smush-image-ele-status'></span><span class='wp-smush-image-path'>{$item}</span>";
//Close LI
$div .= "</li>";
}
}
$div .= "</ul>
<hr />
</li>";
$hr = false;
} else {
$hr = true;
$image_p = array_pop( $image );
//Check if the image is already in optimised list
$class = is_array( $this->optimised_images ) && array_key_exists( $image_p, $this->optimised_images ) ? ' optimised' : '';
$image_id = $this->get_image_id( $image_p, $images['image_items'] );
$div .= "<li class='wp-smush-image-ele{$class}' id='{$image_id}'><span class='wp-smush-image-ele-status'></span><span class='wp-smush-image-path'>{$image_p}</span>";
//Close LI
$div .= "</li>";
}
$index ++;
}
$div .= '</ul>';
$div .= "<span class='waiting-message hidden' title='" . esc_html__( "Waiting..", "wp-smushit" ) . "'></span>";
return $div;
}
/**
* Fetch all the optimised image, Calculate stats
*
* @return array Total Stats
*
*/
function total_stats() {
global $wpdb, $WpSmush;
$offset = 0;
$optimised = 0;
$limit = 1000;
$images = array();
$total = $wpdb->get_col( "SELECT count(id) FROM {$wpdb->prefix}smush_dir_images" );
$total = ! empty( $total ) && is_array( $total ) ? $total[0] : 0;
// If super-smush enabled, add meta condition.
$lossy_condition = $WpSmush->lossy_enabled ? 'AND lossy = 1' : '';
$continue = true;
while ( $continue && $results = $wpdb->get_results( "SELECT path, image_size, orig_size FROM {$wpdb->prefix}smush_dir_images WHERE image_size IS NOT NULL $lossy_condition ORDER BY `id` LIMIT $offset, $limit", ARRAY_A ) ) {
if ( ! empty( $results ) ) {
$images = array_merge( $images, $results );
}
$offset += $limit;
//If offset is above total number, do not query
if ( $offset > $total ) {
$continue = false;
}
}
//Iterate over stats, Return Count and savings
if ( ! empty( $images ) ) {
$this->stats = array_shift( $images );
$path = $this->stats['path'];
$this->optimised_images[ $path ] = $this->stats;
foreach ( $images as $im ) {
foreach ( $im as $key => $val ) {
if ( 'path' == $key ) {
$this->optimised_images[ $val ] = $im;
continue;
}
$this->stats[ $key ] += $val;
}
$optimised ++;
}
}
//Get the savings in bytes and percent
if ( ! empty( $this->stats ) && ! empty( $this->stats['orig_size'] ) ) {
$this->stats['bytes'] = ( $this->stats['orig_size'] > $this->stats['image_size'] ) ? $this->stats['orig_size'] - $this->stats['image_size'] : 0;
$this->stats['percent'] = number_format_i18n( ( ( $this->stats['bytes'] / $this->stats['orig_size'] ) * 100 ), 1 );
//Convert to human readable form
$this->stats['human'] = size_format( $this->stats['bytes'], 1 );
}
$this->stats['total'] = $total;
$this->stats['optimised'] = $optimised;
return $this->stats;
}
/**
* Returns the number of images scanned and optimised
*
* @return array
*
*/
function last_scan_stats() {
global $wpdb;
$query = "SELECT id, image_size, orig_size FROM {$wpdb->prefix}smush_dir_images WHERE last_scan = (SELECT MAX(last_scan) FROM {$wpdb->prefix}smush_dir_images ) GROUP BY id";
$results = $wpdb->get_results( $query, ARRAY_A );
$total = count( $results );
$smushed = 0;
$stats = array(
'image_size' => 0,
'orig_size' => 0
);
//Get the Smushed count, and stats sum
foreach ( $results as $image ) {
if ( ! is_null( $image['image_size'] ) ) {
$smushed ++;
}
//Summation of stats
foreach ( $image as $k => $v ) {
if ( 'id' == $k ) {
continue;
}
$stats[ $k ] += $v;
}
}
//Stats
$stats['total'] = $total;
$stats['smushed'] = $smushed;
return $stats;
}
/**
* Handles the ajax request for image optimisation in a folder
*/
function optimise() {
global $wpdb, $WpSmush, $wpsmushit_admin;
//Verify the ajax nonce
check_ajax_referer( 'wp_smush_all', 'nonce' );
$error_msg = '';
if ( empty( $_GET['image_id'] ) ) {
//If there are no stats
$error_msg = esc_html__( "Incorrect image id", "wp-smushit" );
wp_send_json_error( $error_msg );
}
// Get the last scan stats.
$last_scan = $this->last_scan_stats();
$stats = array();
//Check smush limit for free users
if ( ! $WpSmush->validate_install() ) {
//Free version bulk smush, check the transient counter value
$should_continue = $wpsmushit_admin->check_bulk_limit( false, 'dir_sent_count' );
//Send a error for the limit
if ( ! $should_continue ) {
wp_send_json_error(
array(
'error' => 'dir_smush_limit_exceeded',
'continue' => false
)
);
}
}
$id = intval( $_GET['image_id'] );
if ( ! $scanned_images = wp_cache_get( 'wp_smush_scanned_images' ) ) {
$scanned_images = $this->get_scanned_images();
}
$image = $this->get_image( $id, '', $scanned_images );
if ( empty( $image ) ) {
//If there are no stats
$error_msg = esc_html__( "Could not find image id in last scanned images", "wp-smushit" );
wp_send_json_error( $error_msg );
}
$path = $image['path'];
//We have the image path, optimise
$smush_results = $WpSmush->do_smushit( $path );
if ( is_wp_error( $smush_results ) ) {
$error_msg = $smush_results->get_error_message();
} else if ( empty( $smush_results['data'] ) ) {
//If there are no stats
$error_msg = esc_html__( "Image couldn't be optimized", "wp-smushit" );
}
if ( ! empty( $error_msg ) ) {
//Store the error in DB
//All good, Update the stats
$query = "UPDATE {$wpdb->prefix}smush_dir_images SET error=%s WHERE id=%d LIMIT 1";
$query = $wpdb->prepare( $query, $error_msg, $id );
$wpdb->query( $query );
$error_msg = "<div class='wp-smush-error'>" . $error_msg . "</div>";
wp_send_json_error(
array(
'error' => $error_msg,
'image' => array( 'id' => $id )
)
);
}
//Get file time
$file_time = @filectime( $path );
// If super-smush enabled, update supersmushed meta value also.
$lossy = $WpSmush->lossy_enabled ? 1 : 0;
// All good, Update the stats.
$query = "UPDATE {$wpdb->prefix}smush_dir_images SET image_size=%d, file_time=%d, lossy=%s WHERE id=%d LIMIT 1";
$query = $wpdb->prepare( $query, $smush_results['data']->after_size, $file_time, $lossy, $id );
$wpdb->query( $query );
// Get the global stats if current dir smush completed.
if ( isset( $_GET['get_stats'] ) && 1 == $_GET['get_stats'] ) {
// This will setup directory smush stats too.
$wpsmushit_admin->setup_global_stats();
$stats = $wpsmushit_admin->stats;
$stats['total'] = $wpsmushit_admin->total_count;
$resmush_count = empty( $wpsmushit_admin->resmush_ids ) ? count( $wpsmushit_admin->resmush_ids = get_option( "wp-smush-resmush-list" ) ) : count( $wpsmushit_admin->resmush_ids );
// $stats['smushed'] = ! empty( $wpsmushit_admin->resmush_ids ) ? $wpsmushit_admin->smushed_count - $resmush_count : $wpsmushit_admin->smushed_count;
$stats['smushed'] = $wpsmushit_admin->smushed_count;
if ( $lossy == 1 ) {
$stats['super_smushed'] = $wpsmushit_admin->super_smushed;
}
// Set tootltip text to update.
$stats['tooltip_text'] = ! empty( $stats['total_images'] ) ? sprintf( __( "You've smushed %d images in total.", "wp-smushit" ), $stats['total_images'] ) : '';
// Get the total dir smush stats.
$total = $wpsmushit_admin->dir_stats;
} else {
$total = $this->total_stats();
}
//Show the image wise stats
$image = array(
'id' => $id,
'size_before' => $image['orig_size'],
'size_after' => $smush_results['data']->after_size
);
$bytes = $image['size_before'] - $image['size_after'];
$image['savings'] = size_format( $bytes, 1 );
$image['percent'] = $image['size_before'] > 0 ? number_format_i18n( ( ( $bytes / $image['size_before'] ) * 100 ), 1 ) . '%' : 0;
$data = array(
'image' => $image,
'total' => $total,
'latest_scan' => $last_scan,
);
// If current dir smush completed, include global stats.
if ( ! empty( $stats ) ) {
$data['stats'] = $stats;
}
//Update Bulk Limit Transient
$wpsmushit_admin->update_smush_count( 'dir_sent_count' );
wp_send_json_success( $data );
}
/**
* Remove image/image from db based on path details
*/
function smush_exclude_path() {
//Validate Ajax nonce
check_ajax_referer( 'wp-smush-exclude-path', 'nonce' );
//If we don't have path, send json error
if ( empty( $_POST['path'] ) ) {
wp_send_json_error( 'missing_path' );
}
global $wpdb;
$path = realpath( $_POST['path'] );
$table = "{$wpdb->prefix}smush_dir_images";
if ( is_file( $path ) ) {
$sql = sprintf( "DELETE FROM $table WHERE path='%s'", $path );
} else {
$sql = sprintf( "DELETE FROM $table WHERE path LIKE '%s'", '%' . $path . '%' );
}
//Execute the query
$result = $wpdb->query( $sql );
if ( $result ) {
wp_send_json_success();
} else {
wp_send_json_error();
}
}
/**
* Send the markup for image list scanned from a directory path
*
*/
function resume_scan() {
$dir_path = get_option( 'wp-smush-dir_path' );
//If we don't get an error path, return an error message
if ( empty( $dir_path ) ) {
$message = "<div class='error'>" . esc_html__( "We were unable to retrieve the image list from last scan, please continue with the latest scan", "wp-smushit" ) . "</div>";
wp_send_json_error( array( 'message' => $message ) );
}
//Else, Get the image list and then markup
$file_list = $this->get_image_list( $dir_path );
//If there are no image files in selected directory
if ( empty( $file_list['files_arr'] ) ) {
$this->send_error();
}
$markup = $this->generate_markup( $file_list );
//Send response
wp_send_json_success( $markup );
}
/**
* Combine the stats from Directory Smush and Media Library Smush
*
* @param $stats Directory Smush stats
*
* @return array Combined array of Stats
*/
function combined_stats( $stats ) {
if ( empty( $stats ) || empty( $stats['percent'] ) || empty( $stats['bytes'] ) ) {
return array();
}
global $wpsmushit_admin;
$result = array();
$dasharray = 125.663706144;
//Initialize Global Stats
$wpsmushit_admin->setup_global_stats();
//Get the total/Smushed attachment count
$total_attachments = $wpsmushit_admin->total_count + $stats['total'];
$total_images = $wpsmushit_admin->stats['total_images'] + $stats['total'];
$smushed = $wpsmushit_admin->smushed_count + $stats['optimised'];
$savings = ! empty( $wpsmushit_admin->stats ) ? $wpsmushit_admin->stats['bytes'] + $stats['bytes'] : $stats['bytes'];
$size_before = ! empty( $wpsmushit_admin->stats ) ? $wpsmushit_admin->stats['size_before'] + $stats['orig_size'] : $stats['orig_size'];
$percent = $size_before > 0 ? ( $savings / $size_before ) * 100 : 0;
//Store the stats in array
$result = array(
'total_count' => $total_attachments,
'smushed_count' => $smushed,
'savings' => size_format( $savings ),
'percent' => round( $percent, 1 ),
'image_count' => $total_images,
'dash_offset' => $total_attachments > 0 ? $dasharray - ( $dasharray * ( $smushed / $total_attachments ) ) : $dasharray,
'tooltip_text' => ! empty( $total_images ) ? sprintf( __( "You've smushed %d images in total.", "wp-smushit" ), $total_images ) : ''
);
return $result;
}
/**
* Returns Directory Smush stats and Cumulative stats
*
*/
function get_dir_smush_stats() {
$result = array();
//Store the Total/Smushed count
$stats = $this->total_stats();
$result['dir_smush'] = $stats;
//Cumulative Stats
$result['combined_stats'] = $this->combined_stats( $stats );
//Store the stats in options table
update_option( 'dir_smush_stats', $result, false );
//Send ajax response
wp_send_json_success( $result );
}
/**
* Output the content for Directory smush list dialog content
*
*/
function directory_list_dialog() {
$current_screen = get_current_screen();
if ( empty( $current_screen ) || empty( $current_screen->base ) || ( 'toplevel_page_smush' != $current_screen->base && 'toplevel_page_smush-network' != $current_screen->base ) ) {
return;
} ?>
<div class="dev-overlay small wp-smush-list-dialog roboto-regular">
<div class="back"></div>
<div class="box-scroll">
<div class="box">
<div class="title"><h3><?php esc_html_e( "Directory list", "wp-smushit" ); ?></h3>
<div aria-hidden="true" class="close">×</div>
<button class="wpdui-sr-only"><span class="wpdui-sr-only">Close</span></button>
</div>
<div class="wp-smush-instruct"><?php esc_html_e( "Choose the folder you wish to smush.", "wp-smushit" ); ?></div>
<div class="content">
</div>
<div class="wp-smush-select-button-wrap">
<div class="wp-smush-section-desc"><?php esc_html_e( "Smush will also include any images in sub folders of your selected folder.", "wp-smushit" ); ?></div>
<div class="wp-smush-select-button-wrap-child">
<span class="spinner"></span>
<button class="wp-smush-select-dir"><?php esc_html_e( "ADD DIRECTORY", "wp-smushit" ); ?></button>
</div>
</div>
</div>
</div>
</div><?php
}
/**
* Display a admin notice on smush screen if the custom table wasn't created
*
* @return Notice if table doesn't exists
*
* @todo: Update text
*/
function check_for_table_error() {
global $wpdb;
$notice = '';
$current_screen = get_current_screen();
if ( 'toplevel_page_smush' != $current_screen->id && 'toplevel_page_smush-network' != $current_screen->id ) {
return $notice;
}
$sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->prefix . 'smush_dir_images' ) );
$smush_table = ( $wpdb->get_var( $sql ) != null );
if ( ! $smush_table ) {
//Display a notice
$notice = '<div class="wp-smush-notice missing_table"><p>';
$notice .= esc_html__( 'Directory smushing requires custom tables and it seems there was an error creating tables. For help, please contact our team on the support forums', "wp-smushit" );
$notice .= '</p></div>';
}
return $notice;
}
}
//Class Object
global $wpsmush_dir;
$wpsmush_dir = new WpSmushDir();
}
/**
* Filters the list of directories, Exclude the Media Subfolders
*
*/
if ( class_exists( 'RecursiveFilterIterator' ) && ! class_exists( 'WPSmushRecursiveFilterIterator' ) ) {
class WPSmushRecursiveFilterIterator extends RecursiveFilterIterator {
public function accept() {
global $wpsmush_dir;
$path = $this->current()->getPathname();
if ( $this->isDir() ) {
if ( ! $wpsmush_dir->skip_dir( $path ) ) {
return true;
}
} else {
return true;
}
return false;
}
}
}