/home/arranoyd/magicraft/wp-content/plugins/ewww-image-optimizer/bulk.php
<?php
/**
* Functions for performing Bulk Optimizations
* This file contains functions for the main bulk optimize page.
*
* @link https://ewww.io
* @package EWWW_Image_Optimizer
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Presents the bulk optimize form and optimization results table.
*/
function ewww_image_optimizer_bulk_preview() {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
// Retrieve the attachment IDs that were pre-loaded in the database.
echo '<div class="wrap"><h1>' . esc_html__( 'Bulk Optimize', 'ewww-image-optimizer' ) . '</h1>';
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_auto' ) ) {
echo '<div class="error"><p>';
esc_html_e( 'Please disable Scheduled optimization before continuing.', 'ewww-image-optimizer' );
echo '</p></div></div>';
return;
}
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) ) {
echo '<span><a id="ewww-bulk-credits-available" target="_blank" class="page-title-action" style="float:right;" href="https://ewww.io/my-account/">' . esc_html__( 'Image credits available:', 'ewww-image-optimizer' ) . ' ' . ewww_image_optimizer_cloud_quota() . '</a></span>';
}
// Retrieve the value of the 'bulk resume' option and set the button text for the form to use.
$resume = get_option( 'ewww_image_optimizer_bulk_resume' );
if ( empty( $resume ) ) {
$fullsize_count = ewww_image_optimizer_count_optimized( 'media' );
$button_text = esc_attr__( 'Start optimizing', 'ewww-image-optimizer' );
} elseif ( 'scanning' == $resume ) {
$fullsize_count = ewww_image_optimizer_count_optimized( 'media' );
$button_text = esc_attr__( 'Start optimizing', 'ewww-image-optimizer' );
} else {
$fullsize_count = ewww_image_optimizer_aux_images_table_count_pending();
$button_text = esc_attr__( 'Resume previous optimization', 'ewww-image-optimizer' );
}
// Create the html for the bulk optimize form and status divs.
ewww_image_optimizer_bulk_head_output();
echo '<div id="ewww-bulk-forms">';
if ( $fullsize_count < 1 ) {
echo '<p>' . esc_html__( 'You do not appear to have uploaded any images yet.', 'ewww-image-optimizer' ) . '</p>';
} else {
if ( 'true' == $resume ) {
/* translators: %d: number of images */
echo '<p class="ewww-media-info ewww-bulk-info">' . sprintf( esc_html( _n( 'There is %d image ready to optimize.', 'There are %d images ready to optimize.', $fullsize_count, 'ewww-image-optimizer' ) ), $fullsize_count ) . '</p>';
} else {
if ( ! empty( $_REQUEST['ids'] ) && ( preg_match( '/^[\d,]+$/', $_REQUEST['ids'] ) || is_numeric( $_REQUEST['ids'] ) ) ) {
/* translators: %d: number of images */
echo '<p class="ewww-media-info ewww-bulk-info">' . sprintf( esc_html( _n( '%1$d image in the Media Library has been selected.', '%1$d images in the Media Library have been selected.', $fullsize_count, 'ewww-image-optimizer' ) ), $fullsize_count ) . '</p>';
} else {
/* translators: %d: number of images */
echo '<p class="ewww-media-info ewww-bulk-info">' . sprintf( esc_html( _n( '%1$d image in the Media Library has been selected.', '%1$d images in the Media Library have been selected.', $fullsize_count, 'ewww-image-optimizer' ) ), $fullsize_count ) . '<br />' .
esc_html__( 'The active theme, BuddyPress, WP Symposium, and folders that you have configured will also be scanned for unoptimized images.', 'ewww-image-optimizer' ) . '</p>';
}
}
ewww_image_optimizer_bulk_action_output( $button_text, $fullsize_count, $resume );
}
// If the 'bulk resume' option was not empty, offer to reset it so the user can start back from the beginning.
if ( 'true' == $resume ) {
ewww_image_optimizer_bulk_reset_form_output();
}
echo '</div>';
ewwwio_memory( __FUNCTION__ );
ewww_image_optimizer_aux_images();
}
/**
* Outputs the status area and delay/force controls for the Bulk optimize page.
*/
function ewww_image_optimizer_bulk_head_output() {
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
$delay = ewww_image_optimizer_get_option( 'ewww_image_optimizer_delay' ) ? (int) ewww_image_optimizer_get_option( 'ewww_image_optimizer_delay' ) : 0;
?>
<div id="ewww-bulk-loading">
<p id="ewww-loading" class="ewww-bulk-info" style="display:none"><?php esc_html_e( 'Importing', 'ewww-image-optimizer' ); ?> <img src='<?php echo $loading_image; ?>' /></p>
</div>
<div id="ewww-bulk-progressbar"></div>
<div id="ewww-bulk-timer" style="float:right;"></div>
<div id="ewww-bulk-counter"></div>
<form id="ewww-bulk-stop" style="display:none;" method="post" action="">
<br /><input type="submit" class="button-secondary action" value="<?php esc_attr_e( 'Stop Optimizing', 'ewww-image-optimizer' ); ?>" />
</form>
<div id="ewww-bulk-widgets" class="metabox-holder" style="display:none">
<div class="meta-box-sortables">
<div id="ewww-bulk-last" class="postbox">
<button type="button" class="handlediv button-link" aria-expanded="true">
<span class="screen-reader-text"><?php esc_html_e( 'Click to toggle', 'ewww-image-optimizer' ); ?></span>
<span class="toggle-indicator" aria-hidden="true"></span>
</button>
<h2 class="hndle"><span><?php esc_html_e( 'Last Batch Optimized', 'ewww-image-optimizer' ); ?></span></h2>
<div class="inside"></div>
</div>
</div>
<div class="meta-box-sortables">
<div id="ewww-bulk-status" class="postbox">
<button type="button" class="handlediv button-link" aria-expanded="true">
<span class="screen-reader-text"><?php esc_html_e( 'Click to toggle', 'ewww-image-optimizer' ); ?></span>
<span class="toggle-indicator" aria-hidden="true"></span>
</button>
<h2 class="hndle"><span><?php esc_html_e( 'Optimization Log', 'ewww-image-optimizer' ); ?></span></h2>
<div class="inside"></div>
</div>
</div>
</div>
<form class="ewww-bulk-form">
<p><label for="ewww-force" style="font-weight: bold"><?php esc_html_e( 'Force re-optimize', 'ewww-image-optimizer' ); ?></label>
 <input type="checkbox" id="ewww-force" name="ewww-force"<?php echo ( get_transient( 'ewww_image_optimizer_force_reopt' ) ) ? ' checked' : ''; ?>>
<?php esc_html_e( 'Previously optimized images will be skipped by default, check this box before scanning to override.', 'ewww-image-optimizer' ); ?></p>
<p><label for="ewww-delay" style="font-weight: bold"><?php esc_html_e( 'Choose how long to pause between images (in seconds, 0 = disabled)', 'ewww-image-optimizer' ); ?></label> <input type="text" id="ewww-delay" name="ewww-delay" value="<?php echo $delay; ?>"></p>
<div id="ewww-delay-slider" style="width:50%"></div>
</form>
<?php
}
/**
* Outputs the buttons and scanner status html for the Bulk optimize page.
*
* @param string $button_text Value for the button that starts the optimization (after scanning).
* @param int $fullsize_count The total number of images that need to be scanned.
* @param string $resume Optional. If a bulk operation was interrupted, indicates in which phase it
* was operating. Accepts 'true', 'scanning', or ''.
*/
function ewww_image_optimizer_bulk_action_output( $button_text, $fullsize_count, $resume = '' ) {
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
/* translators: %d: number of images */
$scanning_starter_message = sprintf( esc_html__( 'Stage 1, %d images left to scan.', 'ewww-image-optimizer' ), $fullsize_count );
if ( 'true' == $resume ) {
$scan_hide = 'style="display:none"';
$start_hide = '';
} else {
$start_hide = 'style="display:none"';
$scan_hide = '';
}
?>
<p id="ewww-nothing" class="ewww-bulk-info" style="display:none"><?php echo esc_html_e( 'There are no images to optimize.', 'ewww-image-optimizer' ); ?></p>
<p id="ewww-scanning" class="ewww-bulk-info" style="display:none"><?php echo $scanning_starter_message; ?> <img src='<?php echo $loading_image; ?>' alt='loading'/></p>
<form id="ewww-aux-start" class="ewww-bulk-form" <?php echo $scan_hide; ?> method="post" action="">
<input id="ewww-aux-first" type="submit" class="button-primary action" value="<?php esc_attr_e( 'Scan for unoptimized images', 'ewww-image-optimizer' ); ?>" />
<input id="ewww-aux-again" type="submit" class="button-secondary action" style="display:none" value="<?php esc_attr_e( 'Scan Again', 'ewww-image-optimizer' ); ?>" />
</form>
<form id="ewww-bulk-start" class="ewww-bulk-form" <?php echo $start_hide; ?> method="post" action="">
<input id="ewww-aux-first" type="submit" class="button-primary action" value="<?php echo $button_text; ?>" />
</form>
<?php
}
/**
* Outputs the Reset form on the Bulk optimize page.
*/
function ewww_image_optimizer_bulk_reset_form_output() {
?>
<p class="ewww-media-info ewww-bulk-info"><?php esc_html_e( 'If you would like to start over again, press the Reset Status button to reset the bulk operation status.', 'ewww-image-optimizer' ); ?></p>
<form class="ewww-bulk-form" method="post" action="">
<?php wp_nonce_field( 'ewww-image-optimizer-bulk-reset', 'ewww_wpnonce' ); ?>
<input type="hidden" name="ewww_reset" value="1">
<button id="ewww-bulk-reset" type="submit" class="button-secondary action"><?php esc_html_e( 'Reset Status', 'ewww-image-optimizer' ); ?></button>
</form>
<?php
}
/**
* Detect the current memory limit and reduce the query limit appropriately.
*
* @param int $max_query The default number of records to query in large batches.
* @return int The adjusted level based on the memory limit
*/
function ewww_image_optimizer_reduce_query_count( $max_query ) {
$memory_limit = ewwwio_memory_limit();
if ( $memory_limit <= 33560000 ) {
return 500;
} elseif ( $memory_limit <= 67120000 ) {
return 1000;
} elseif ( $memory_limit <= 134300000 ) {
return 1500;
} elseif ( $memory_limit <= 268500000 ) {
return 3000;
}
return $max_query;
}
/**
* Retrieve image counts for the bulk process.
*
* For the media library, returns a simple count of the number of attachments. For other galleries,
* counts the number of thumbnails/resizes along with how many of each need to be optimized. Uses
* attachment "metadata" to calculate the counts, which will not be accurate for long.
*
* @param string $gallery Bulk page that is calling the function. Accepts 'media', 'ngg', and 'flag'.
* @return int|array {
* The image count(s) found during the search.
*
* @type int $full_count The number of original uploads found.
* @type int $unoptimized_full The number of original uploads that have not been optimized.
* @type int $resize_count The number of thumbnails/resizes found.
* @type int $unoptimized_re The number of resizes that are not optimized.
* }
*/
function ewww_image_optimizer_count_optimized( $gallery ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
ewwwio_debug_message( "scanning for $gallery" );
global $wpdb;
$full_count = 0;
$unoptimized_full = 0;
$unoptimized_re = 0;
$resize_count = 0;
$attachment_query = '';
$started = microtime( true ); // Retrieve the time when the counting starts.
$max_query = apply_filters( 'ewww_image_optimizer_count_optimized_queries', 4000 );
$max_query = (int) $max_query;
$attachment_query_count = 0;
switch ( $gallery ) {
case 'media':
$ids = array();
$resume = get_option( 'ewww_image_optimizer_bulk_resume' );
// See if we were given attachment IDs to work with via GET/POST.
if ( ! empty( $_REQUEST['ids'] ) || $resume ) {
ewwwio_debug_message( 'we have received attachment ids via $_REQUEST' );
// Retrieve the attachment IDs that were pre-loaded in the database.
if ( 'scanning' == $resume ) {
$finished = (array) get_option( 'ewww_image_optimizer_bulk_attachments' );
$remaining = (array) get_option( 'ewww_image_optimizer_scanning_attachments' );
$attachment_ids = array_merge( $finished, $remaining );
} elseif ( $resume ) {
// This shouldn't ever happen, but doesn't hurt to account for the use case, just in case something changes in the future.
$attachment_ids = get_option( 'ewww_image_optimizer_bulk_attachments' );
} else {
$attachment_ids = get_option( 'ewww_image_optimizer_scanning_attachments' );
}
if ( ! empty( $attachment_ids ) ) {
$full_count = count( $attachment_ids );
}
} else {
$full_count = $wpdb->get_var( "SELECT COUNT(ID) FROM $wpdb->posts WHERE (post_type = 'attachment' OR post_type = 'ims_image') AND (post_mime_type LIKE '%%image%%' OR post_mime_type LIKE '%%pdf%%')" );
}
return $full_count;
break;
case 'ngg':
// See if we were given attachment IDs to work with via GET/POST.
if ( ! empty( $_REQUEST['ewww_inline'] ) || get_option( 'ewww_image_optimizer_bulk_ngg_resume' ) ) {
// Retrieve the attachment IDs that were pre-loaded in the database.
$attachment_ids = get_option( 'ewww_image_optimizer_bulk_ngg_attachments' );
array_walk( $attachment_ids, 'intval' );
while ( $attachment_ids && $attachment_query_count < $max_query ) {
$attachment_query .= "'" . array_pop( $attachment_ids ) . "',";
$attachment_query_count++;
}
$attachment_query = 'WHERE pid IN (' . substr( $attachment_query, 0, -1 ) . ')';
}
// Creating the 'registry' object for working with nextgen.
$registry = C_Component_Registry::get_instance();
// Creating a database storage object from the 'registry' object.
$storage = $registry->get_utility( 'I_Gallery_Storage' );
// Get an array of sizes available for the $image.
$sizes = $storage->get_image_sizes();
$offset = 0;
while ( $attachments = $wpdb->get_col( "SELECT meta_data FROM $wpdb->nggpictures $attachment_query LIMIT $offset, $max_query" ) ) { // WPCS: unprepared SQL ok.
foreach ( $attachments as $attachment ) {
if ( class_exists( 'Ngg_Serializable' ) ) {
$serializer = new Ngg_Serializable();
$meta = $serializer->unserialize( $attachment );
} else {
$meta = unserialize( $attachment );
}
if ( ! is_array( $meta ) ) {
continue;
}
if ( empty( $meta['ewww_image_optimizer'] ) ) {
$unoptimized_full++;
}
if ( ewww_image_optimizer_iterable( $sizes ) ) {
foreach ( $sizes as $size ) {
if ( 'full' !== $size ) {
$resize_count++;
if ( empty( $meta[ $size ]['ewww_image_optimizer'] ) ) {
$unoptimized_re++;
}
}
}
}
}
$full_count += count( $attachments );
$offset += $max_query;
if ( ! empty( $attachment_ids ) ) {
$attachment_query = '';
$attachment_query_count = 0;
$offset = 0;
while ( $attachment_ids && $attachment_query_count < $max_query ) {
$attachment_query .= "'" . array_pop( $attachment_ids ) . "',";
$attachment_query_count++;
}
$attachment_query = 'WHERE pid IN (' . substr( $attachment_query, 0, -1 ) . ')';
}
} // End while().
break;
case 'flag':
if ( ! empty( $_REQUEST['doaction'] ) || get_option( 'ewww_image_optimizer_bulk_flag_resume' ) ) {
// Retrieve the attachment IDs that were pre-loaded in the database.
$attachment_ids = get_option( 'ewww_image_optimizer_bulk_flag_attachments' );
array_walk( $attachment_ids, 'intval' );
while ( $attachment_ids && $attachment_query_count < $max_query ) {
$attachment_query .= "'" . array_pop( $attachment_ids ) . "',";
$attachment_query_count++;
}
$attachment_query = 'WHERE pid IN (' . substr( $attachment_query, 0, -1 ) . ')';
}
$offset = 0;
while ( $attachments = $wpdb->get_col( "SELECT meta_data FROM $wpdb->flagpictures $attachment_query LIMIT $offset, $max_query" ) ) { // WPCS: unprepared SQL ok.
foreach ( $attachments as $attachment ) {
$meta = unserialize( $attachment );
if ( ! is_array( $meta ) ) {
continue;
}
if ( empty( $meta['ewww_image_optimizer'] ) ) {
$unoptimized_full++;
}
if ( ! empty( $meta['webview'] ) ) {
$resize_count++;
if ( empty( $meta['webview']['ewww_image_optimizer'] ) ) {
$unoptimized_re++;
}
}
if ( ! empty( $meta['thumbnail'] ) ) {
$resize_count++;
if ( empty( $meta['thumbnail']['ewww_image_optimizer'] ) ) {
$unoptimized_re++;
}
}
}
$full_count += count( $attachments );
$offset += $max_query;
if ( ! empty( $attachment_ids ) ) {
$attachment_query = '';
$attachment_query_count = 0;
$offset = 0;
while ( $attachment_ids && $attachment_query_count < $max_query ) {
$attachment_query .= "'" . array_pop( $attachment_ids ) . "',";
$attachment_query_count++;
}
$attachment_query = 'WHERE pid IN (' . substr( $attachment_query, 0, -1 ) . ')';
}
}
break;
} // End switch().
if ( empty( $full_count ) && ! empty( $attachment_ids ) ) {
ewwwio_debug_message( 'query appears to have failed, just counting total images instead' );
$full_count = count( $attachment_ids );
}
$elapsed = microtime( true ) - $started;
ewwwio_debug_message( "counting images took $elapsed seconds" );
ewwwio_debug_message( "found $full_count fullsize ($unoptimized_full unoptimized), and $resize_count resizes ($unoptimized_re unoptimized)" );
ewwwio_memory( __FUNCTION__ );
return array( $full_count, $unoptimized_full, $resize_count, $unoptimized_re );
}
/**
* Prepares the bulk operation and includes the javascript functions.
*
* Checks to see if a scan was in progress, or if attachment IDs were POSTed, and loads the
* appropriate attachments into the list to be scanned. Also sets up the js includes, and
* defines a few js variables needed for the bulk operation.
*
* @global object $wpdb
*
* @param string $hook An indicator if this was not called from AJAX, like WP-CLI.
*/
function ewww_image_optimizer_bulk_script( $hook ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
// Make sure we are being called from the bulk optimization page.
if ( 'media_page_ewww-image-optimizer-bulk' != $hook ) {
return;
}
// Initialize the $attachments variable.
$attachments = array();
// Check to see if we are supposed to reset the bulk operation and verify we are authorized to do so.
if ( ! empty( $_REQUEST['ewww_reset'] ) && wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk-reset' ) ) {
// Set the 'bulk resume' option to an empty string to reset the bulk operation.
update_option( 'ewww_image_optimizer_bulk_resume', '' );
update_option( 'ewww_image_optimizer_aux_resume', '' );
update_option( 'ewww_image_optimizer_scanning_attachments', '', false );
update_option( 'ewww_image_optimizer_bulk_attachments', '', false );
ewww_image_optimizer_delete_pending();
}
global $wpdb;
// Check to see if we are supposed to reset the bulk operation and verify we are authorized to do so.
if ( ! empty( $_REQUEST['ewww_reset_aux'] ) && wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-aux-images-reset' ) ) {
// Set the 'aux resume' option to an empty string to reset the bulk operation.
update_option( 'ewww_image_optimizer_aux_resume', '' );
$wpdb->query( "DELETE from $wpdb->ewwwio_images WHERE image_size IS NULL" );
}
// Check to see if we are supposed to convert the auxiliary images table and verify we are authorized to do so.
if ( ! empty( $_REQUEST['ewww_convert'] ) && wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-aux-images-convert' ) ) {
ewww_image_optimizer_aux_images_convert();
}
// Check the 'bulk resume' option.
$resume = get_option( 'ewww_image_optimizer_bulk_resume' );
$scanning = get_option( 'ewww_image_optimizer_aux_resume' );
if ( ! $resume && ! $scanning ) {
update_option( 'ewww_image_optimizer_scanning_attachments', '', false );
update_option( 'ewww_image_optimizer_bulk_attachments', '', false );
ewww_image_optimizer_delete_pending();
}
// See if we were given attachment IDs to work with via GET/POST.
$ids = array();
if ( ! empty( $_REQUEST['ids'] ) && ( preg_match( '/^[\d,]+$/', $_REQUEST['ids'], $request_ids ) || is_numeric( $_REQUEST['ids'] ) ) ) {
ewww_image_optimizer_delete_pending();
set_transient( 'ewww_image_optimizer_skip_aux', true, 3 * MINUTE_IN_SECONDS );
if ( is_numeric( $_REQUEST['ids'] ) ) {
$ids[] = (int) $_REQUEST['ids'];
} else {
$ids = explode( ',', $request_ids[0] );
array_walk( $ids, 'intval' );
}
$sample_post_type = get_post_type( $ids[0] );
// ewwwio_debug_message( "ids: " . $request_ids[0] ); // keeping just in case.
ewwwio_debug_message( "post type (checking for ims_gallery): $sample_post_type" );
if ( 'ims_gallery' == $sample_post_type ) {
$attachments = array();
foreach ( $ids as $gid ) {
ewwwio_debug_message( "gallery id: $gid" );
$ims_images = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type = 'ims_image' AND post_mime_type LIKE %s AND post_parent = %d ORDER BY ID DESC", '%image%', $gid ) );
$attachments = array_merge( $attachments, $ims_images );
}
} else {
ewwwio_debug_message( "validating requested ids: {$request_ids[0]}" );
// Retrieve post IDs correlating to the IDs submitted to make sure they are all valid.
$attachments = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE (post_type = 'attachment' OR post_type = 'ims_image') AND (post_mime_type LIKE '%%image%%' OR post_mime_type LIKE '%%pdf%%') AND ID IN ({$request_ids[0]}) ORDER BY ID DESC" ); // WPCS: unprepared SQL ok.
}
// Unset the 'bulk resume' option since we were given specific IDs to optimize.
update_option( 'ewww_image_optimizer_bulk_resume', '' );
// Check if there is a previous bulk operation to resume.
} elseif ( 'scanning' == $resume ) {
// Retrieve the attachment IDs that have not been finished from the 'scanning attachments' option.
$attachments = get_option( 'ewww_image_optimizer_scanning_attachments' );
} elseif ( $scanning || $resume ) {
$attachments = array();
// Since we aren't resuming, and weren't given a list of IDs, we will optimize everything.
} elseif ( empty( $attachments ) ) {
delete_transient( 'ewww_image_optimizer_scan_aux' );
// Load up all the image attachments we can find.
$attachments = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE (post_type = 'attachment' OR post_type = 'ims_image') AND (post_mime_type LIKE '%%image%%' OR post_mime_type LIKE '%%pdf%%') ORDER BY ID DESC" );
} // End if().
// Store the attachment IDs we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database.
update_option( 'ewww_image_optimizer_scanning_attachments', $attachments, false );
wp_enqueue_script( 'ewwwbulkscript', plugins_url( '/includes/eio.js', __FILE__ ), array( 'jquery', 'jquery-ui-slider', 'jquery-ui-progressbar', 'postbox', 'dashboard' ), EWWW_IMAGE_OPTIMIZER_VERSION );
// Number of images in the ewwwio_table (previously optimized images).
$image_count = ewww_image_optimizer_aux_images_table_count();
// Number of image attachments to be optimized.
$attachment_count = count( $attachments );
// Submit a couple variables for our javascript to work with.
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
wp_localize_script('ewwwbulkscript', 'ewww_vars', array(
'_wpnonce' => wp_create_nonce( 'ewww-image-optimizer-bulk' ),
'attachments' => ewww_image_optimizer_aux_images_table_count_pending(),
'image_count' => $image_count,
/* translators: %d: number of images */
'count_string' => sprintf( esc_html__( '%d images', 'ewww-image-optimizer' ), $image_count ),
'scan_fail' => esc_html__( 'Operation timed out, you may need to increase the max_execution_time or memory_limit for PHP', 'ewww-image-optimizer' ),
'scan_incomplete' => esc_html__( 'Scan did not complete, will try again', 'ewww-image-optimizer' ) . " <img src='$loading_image' />",
'operation_stopped' => esc_html__( 'Optimization stopped, reload page to resume.', 'ewww-image-optimizer' ),
'operation_interrupted' => esc_html__( 'Operation Interrupted', 'ewww-image-optimizer' ),
'temporary_failure' => esc_html__( 'Temporary failure, attempts remaining:', 'ewww-image-optimizer' ),
'invalid_response' => esc_html__( 'Received an invalid response from your website, please check for errors in the Developer Tools console of your browser.', 'ewww-image-optimizer' ),
'bad_attachment' => esc_html__( 'Previous failure due to broken/missing metadata, skipped resizes for attachment:', 'ewww-image-optimizer' ),
'remove_failed' => esc_html__( 'Could not remove image from table.', 'ewww-image-optimizer' ),
/* translators: used for Bulk Optimize progress bar, like so: Optimized 32/346 */
'optimized' => esc_html__( 'Optimized', 'ewww-image-optimizer' ),
'last_image_header' => esc_html__( 'Last Image Optimized', 'ewww-image-optimizer' ),
'time_remaining' => esc_html__( 'remaining', 'ewww-image-optimizer' ),
'original_restored' => esc_html__( 'Original Restored', 'ewww-image-optimizer' ),
'restoring' => '<p>' . esc_html__( 'Restoring', 'ewww-image-optimizer' ) . " <img src='$loading_image' /></p>",
'bulk_fail_more' => '<a href="https://docs.ewww.io/article/39-bulk-optimizer-failure" target="_blank" data-beacon-article="596f84f72c7d3a73488b3ca7">' . esc_html__( 'more...', 'ewww-image-optimizer' ) . '</a>',
) );
// Load the stylesheet for the jquery progressbar.
wp_enqueue_style( 'jquery-ui-progressbar', plugins_url( '/includes/jquery-ui-1.10.1.custom.css', __FILE__ ) );
ewwwio_memory( __FUNCTION__ );
}
/**
* Loads the list of optimized images into memory.
*
* Pulls a list of all optimized images from the database, and stores it globally unless there is
* a memory constraint, or the list of images is too large to be efficient.
*
* @global string|array $optimized_list A list of all images that have been optimized, or a string
* indicating why that is not a good idea.
* @global object $wpdb
*/
function ewww_image_optimizer_optimized_list() {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
// Retrieve the time when the list building starts.
$started = microtime( true );
global $optimized_list;
global $wpdb;
if ( strpos( $wpdb->charset, 'utf8' ) === false ) {
ewww_image_optimizer_db_init();
global $ewwwdb;
} else {
$ewwwdb = $wpdb;
}
$offset = 0;
$max_query = (int) apply_filters( 'ewww_image_optimizer_count_optimized_queries', 4000 );
$optimized_list = array();
if ( defined( 'EWWW_IMAGE_OPTIMIZER_SCAN_MODE_B' ) && EWWW_IMAGE_OPTIMIZER_SCAN_MODE_B ) { // User manually enabled Plan B.
ewwwio_debug_message( 'user chose low memory mode' );
$optimized_list = 'user_configured';
set_transient( 'ewww_image_optimizer_low_memory_mode', 'user_configured', 90 ); // Put it in low memory mode for at least 10 minutes.
return;
}
if ( get_transient( 'ewww_image_optimizer_low_memory_mode' ) ) {
$optimized_list = get_transient( 'ewww_image_optimizer_low_memory_mode' );
ewwwio_debug_message( "staying in low memory mode: $optimized_list" );
return;
}
$starting_memory_usage = memory_get_usage( true );
while ( $already_optimized = $ewwwdb->get_results( "SELECT id,path,image_size,pending,attachment_id,updated FROM $ewwwdb->ewwwio_images LIMIT $offset,$max_query", ARRAY_A ) ) {
$ewwwdb->flush();
foreach ( $already_optimized as $optimized ) {
$optimized_path = ewww_image_optimizer_relative_path_replace( $optimized['path'] );
// Check for duplicate records.
if ( ! empty( $optimized_list[ $optimized_path ] ) && ! empty( $optimized_list[ $optimized_path ]['id'] ) ) {
$optimized = ewww_image_optimizer_remove_duplicate_records( array( $optimized_list[ $optimized_path ]['id'], $optimized['id'] ) );
}
$optimized_list[ $optimized_path ]['image_size'] = $optimized['image_size'];
$optimized_list[ $optimized_path ]['id'] = $optimized['id'];
$optimized_list[ $optimized_path ]['pending'] = $optimized['pending'];
$optimized_list[ $optimized_path ]['attachment_id'] = $optimized['attachment_id'];
$optimized_list[ $optimized_path ]['updated'] = $optimized['updated'];
}
ewwwio_memory( 'removed original records' );
$offset += $max_query;
if ( empty( $estimated_batch_memory ) ) {
$estimated_batch_memory = memory_get_usage( true ) - $starting_memory_usage;
if ( ! $estimated_batch_memory ) { // If the memory did not appear to increase, set it to a safe default.
$estimated_batch_memory = 3146000;
}
ewwwio_debug_message( "estimated batch memory is $estimated_batch_memory" );
}
if ( ! ewwwio_check_memory_available( 3146000 + $estimated_batch_memory ) ) { // Initial batch storage used + 3MB.
ewwwio_debug_message( 'loading optimized list took too much memory' );
$optimized_list = 'low_memory';
set_transient( 'ewww_image_optimizer_low_memory_mode', 'low_memory', 600 ); // Put it in low memory mode for at least 10 minutes so we don't abuse the db server with extra requests.
return;
}
$elapsed = microtime( true ) - $started;
ewwwio_debug_message( "loading optimized list took $elapsed seconds so far" );
if ( $elapsed > 5 ) {
ewwwio_debug_message( 'loading optimized list took too long' );
$optimized_list = 'large_list';
set_transient( 'ewww_image_optimizer_low_memory_mode', 'large_list', 600 ); // Use low memory mode so that we don't waste lots of time pulling a huge list of images repeatedly.
return;
}
} // End while().
}
/**
* Retrieves a selected set of attachment metadata from the postmeta table.
*
* @global object $wpdb
*
* @param string $attachments_in A comma-imploded array containing a list of attachment IDs.
* @return array Multi-dimensional array containing all the postmeta and mime-types for the IDs
* of $attachments_in.
*/
function ewww_image_optimizer_fetch_metadata_batch( $attachments_in ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
if ( ! preg_match( '/^[\d,]+$/', $attachments_in ) ) {
ewwwio_debug_message( 'invalid attachments string' );
return array();
}
ewwwio_debug_message( 'attachment query length: ' . strlen( $attachments_in ) );
global $wpdb;
// Retrieve image attachment metadata from the database (in batches).
$attachments = $wpdb->get_results( "SELECT metas.post_id,metas.meta_key,metas.meta_value,posts.post_mime_type FROM $wpdb->postmeta metas INNER JOIN $wpdb->posts posts ON posts.ID = metas.post_id WHERE (posts.post_mime_type LIKE '%%image%%' OR posts.post_mime_type LIKE '%%pdf%%') AND metas.post_id IN ($attachments_in)", ARRAY_A ); // WPCS: unprepared SQL ok.
ewwwio_debug_message( 'fetched ' . count( $attachments ) . ' attachment meta items' );
$wpdb->flush();
$attachment_meta = array();
foreach ( $attachments as $attachment ) {
if ( '_wp_attached_file' == $attachment['meta_key'] ) {
$attachment_meta[ $attachment['post_id'] ]['_wp_attached_file'] = $attachment['meta_value'];
if ( ! empty( $attachment['post_mime_type'] ) && empty( $attachment_meta[ $attachment['post_id'] ]['type'] ) ) {
$attachment_meta[ $attachment['post_id'] ]['type'] = $attachment['post_mime_type'];
}
continue;
} elseif ( '_wp_attachment_metadata' == $attachment['meta_key'] ) {
$attachment_meta[ $attachment['post_id'] ]['meta'] = $attachment['meta_value'];
if ( ! empty( $attachment['post_mime_type'] ) && empty( $attachment_meta[ $attachment['post_id'] ]['type'] ) ) {
$attachment_meta[ $attachment['post_id'] ]['type'] = $attachment['post_mime_type'];
}
continue;
} elseif ( 'tiny_compress_images' == $attachment['meta_key'] ) {
$attachment_meta[ $attachment['post_id'] ]['tinypng'] = true;
}
if ( ! empty( $attachment['post_mime_type'] ) && empty( $attachment_meta[ $attachment['post_id'] ]['type'] ) ) {
$attachment_meta[ $attachment['post_id'] ]['type'] = $attachment['post_mime_type'];
}
}
unset( $attachments );
return $attachment_meta;
}
/**
* Scans the Media Library for images that need optimizing.
*
* Searches for images using the attachment metadata and stores them in the ewwwio_images table.
* Optionally restricted to specific attachments selected by the user. If Force Re-optimize is
* checked, marks existing records as pending also.
*
* @global object $wpdb
* @global object $ewwwdb A clone of $wpdb unless it is lacking utf8 connectivity.
* @global string|array $optimized_list A list of all images that have been optimized, or a string
* indicating why that is not a good idea.
*
* @param string $hook An indicator if this was not called from AJAX, like WP-CLI.
*/
function ewww_image_optimizer_media_scan( $hook = '' ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
$permissions = apply_filters( 'ewww_image_optimizer_bulk_permissions', '' );
if ( 'ewww-image-optimizer-cli' !== $hook && empty( $_REQUEST['ewww_scan'] ) ) {
ewwwio_debug_message( 'bailing no cli' );
ewww_image_optimizer_debug_log();
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Access denied.', 'ewww-image-optimizer' ),
) ) );
}
if ( ! empty( $_REQUEST['ewww_scan'] ) && ( ! wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' ) || ! current_user_can( $permissions ) ) ) {
ewwwio_debug_message( 'bailing no nonce' );
ewww_image_optimizer_debug_log();
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Access token has expired, please reload the page.', 'ewww-image-optimizer' ),
) ) );
}
global $wpdb;
if ( strpos( $wpdb->charset, 'utf8' ) === false ) {
ewww_image_optimizer_db_init();
global $ewwwdb;
} else {
$ewwwdb = $wpdb;
}
global $optimized_list;
$image_count = 0;
$attachments_processed = 0;
$attachment_query = '';
$images = array();
$attachment_images = array();
$reset_images = array();
$queued_ids = array();
$field_formats = array(
'%s', // path.
'%s', // gallery.
'%d', // orig_size.
'%d', // attachment_id.
'%s', // resize.
'%d', // pending.
);
ewwwio_debug_message( 'scanning for media attachments' );
update_option( 'ewww_image_optimizer_bulk_resume', 'scanning' );
set_transient( 'ewww_image_optimizer_no_scheduled_optimization', true, 60 * MINUTE_IN_SECONDS );
// Retrieve the time when the scan starts.
$started = microtime( true );
$attachment_ids = get_option( 'ewww_image_optimizer_scanning_attachments' );
// Make the Force Re-optimize option persistent.
if ( ! empty( $_REQUEST['ewww_force'] ) ) {
set_transient( 'ewww_image_optimizer_force_reopt', true, HOUR_IN_SECONDS );
} else {
delete_transient( 'ewww_image_optimizer_force_reopt' );
}
if ( ! empty( $attachment_ids ) && count( $attachment_ids ) > 300 ) {
ewww_image_optimizer_debug_log();
ewww_image_optimizer_optimized_list();
} elseif ( ! empty( $attachment_ids ) ) {
$optimized_list = 'small_scan';
}
ewww_image_optimizer_debug_log();
list( $bad_attachments, $bad_attachment ) = ewww_image_optimizer_get_bad_attachments();
$max_query = apply_filters( 'ewww_image_optimizer_count_optimized_queries', 4000 );
$max_query = (int) $max_query;
$attachment_ids = get_option( 'ewww_image_optimizer_scanning_attachments' );
if ( empty( $attachment_ids ) ) {
// When the media library is finished, run the aux script function to scan for additional images.
ewww_image_optimizer_aux_images_script();
}
$disabled_sizes = get_option( 'ewww_image_optimizer_disable_resizes_opt' );
$enabled_types = array();
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_jpg_level' ) ) {
$enabled_types[] = 'image/jpeg';
}
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
$enabled_types[] = 'image/png';
}
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_gif_level' ) ) {
$enabled_types[] = 'image/gif';
}
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_pdf_level' ) ) {
$enabled_types[] = 'application/pdf';
}
ewww_image_optimizer_debug_log();
$starting_memory_usage = memory_get_usage( true );
while ( microtime( true ) - $started < apply_filters( 'ewww_image_optimizer_timeout', 22 ) && count( $attachment_ids ) ) {
ewww_image_optimizer_debug_log();
if ( ! empty( $estimated_batch_memory ) && ! ewwwio_check_memory_available( 3146000 + $estimated_batch_memory ) ) { // Initial batch storage used + 3MB.
if ( defined( 'WP_CLI' ) && WP_CLI ) {
if ( is_array( $optimized_list ) ) {
set_transient( 'ewww_image_optimizer_low_memory_mode', 'low_memory', 600 ); // Keep us in low memory mode for up to 10 minutes.
$optimized_list = 'low_memory';
}
} else {
break;
}
}
if ( ! empty( $attachment_ids ) && is_array( $attachment_ids ) ) {
$selected_ids = null;
ewwwio_debug_message( 'remaining items: ' . count( $attachment_ids ) );
// Retrieve the attachment IDs that were pre-loaded in the database.
$selected_ids = array_splice( $attachment_ids, 0, $max_query );
array_walk( $selected_ids, 'intval' );
ewwwio_debug_message( 'selected items: ' . count( $selected_ids ) );
$attachments_in = implode( ',', $selected_ids );
} else {
ewwwio_debug_message( 'no array found' );
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'List of attachment IDs not found.', 'ewww-image-optimizer' ),
) ) );
}
$failsafe_selected_ids = $selected_ids;
$attachment_meta = ewww_image_optimizer_fetch_metadata_batch( $attachments_in );
$attachments_in = null;
// If we just completed the first batch, check how much the memory usage increased.
if ( empty( $estimated_batch_memory ) ) {
$estimated_batch_memory = memory_get_usage( true ) - $starting_memory_usage;
if ( ! $estimated_batch_memory ) { // If the memory did not appear to increase, set it to a safe default.
$estimated_batch_memory = 3146000;
}
ewwwio_debug_message( "estimated batch memory is $estimated_batch_memory" );
}
ewwwio_debug_message( 'validated ' . count( $attachment_meta ) . ' attachment meta items' );
ewwwio_debug_message( 'remaining items after selection: ' . count( $attachment_ids ) );
foreach ( $selected_ids as $selected_id ) {
$attachments_processed++;
if ( 0 == $attachments_processed % 5 && ( microtime( true ) - $started > apply_filters( 'ewww_image_optimizer_timeout', 22 ) || ! ewwwio_check_memory_available( 2194304 ) ) ) {
ewwwio_debug_message( 'time exceeded, or memory exceeded' );
ewww_image_optimizer_debug_log();
$attachment_ids = array_merge( $failsafe_selected_ids, $attachment_ids );
if ( defined( 'WP_CLI' ) && WP_CLI ) {
if ( is_array( $optimized_list ) ) {
set_transient( 'ewww_image_optimizer_low_memory_mode', 'low_memory', 600 ); // Keep us in low memory mode for up to 10 minutes.
$optimized_list = 'low_memory';
}
break;
} else {
break 2;
}
}
ewww_image_optimizer_debug_log();
array_shift( $failsafe_selected_ids );
clearstatcache();
$pending = false;
$remote_file = false;
if ( ! empty( $attachment_meta[ $selected_id ]['tinypng'] ) ) {
ewwwio_debug_message( "TinyPNG already compressed $selected_id" );
continue;
}
if ( empty( $attachment_meta[ $selected_id ]['meta'] ) ) {
ewwwio_debug_message( "empty meta for $selected_id" );
$meta = array();
} else {
$meta = maybe_unserialize( $attachment_meta[ $selected_id ]['meta'] );
}
if ( ! empty( $attachment_meta[ $selected_id ]['type'] ) ) {
$mime = $attachment_meta[ $selected_id ]['type'];
ewwwio_debug_message( "got mime via db query: $mime" );
} elseif ( ! empty( $meta['file'] ) ) {
$mime = ewww_image_optimizer_quick_mimetype( $meta['file'] );
ewwwio_debug_message( "got quick mime via filename: $mime" );
} elseif ( ! empty( $selected_id ) ) {
$mime = get_post_mime_type( $selected_id );
ewwwio_debug_message( "checking mime via get_post_mime_type: $mime" );
}
if ( empty( $mime ) ) {
ewwwio_debug_message( "missing mime for $selected_id" );
}
if ( 'application/pdf' != $mime // NOT a pdf...
&& ! in_array( $selected_id, $bad_attachments ) // AND NOT a known broken attachment, which would mean we already tried this once before...
&& ( // AND...
empty( $meta ) // metadata is empty...
|| ( is_string( $meta ) && 'processing' == $meta ) // OR the string 'processing'...
|| ( is_array( $meta ) && ! empty( $meta[0] ) && 'processing' == $meta[0] ) // OR array( 'processing' ).
)
) {
// Attempt to rebuild the metadata.
ewwwio_debug_message( "attempting to rebuild attachment meta for $selected_id" );
set_transient( 'ewww_image_optimizer_rebuilding_attachment', $selected_id, 5 * MINUTE_IN_SECONDS );
ewww_image_optimizer_debug_log();
$new_meta = ewww_image_optimizer_rebuild_meta( $selected_id );
delete_transient( 'ewww_image_optimizer_rebuilding_attachment' );
if ( is_array( $new_meta ) ) {
$meta = $new_meta;
} else {
$meta = array();
}
}
if ( ! in_array( $mime, $enabled_types ) ) {
continue;
}
ewwwio_debug_message( "id: $selected_id and type: $mime" );
ewww_image_optimizer_debug_log();
$attached_file = ( ! empty( $attachment_meta[ $selected_id ]['_wp_attached_file'] ) ? $attachment_meta[ $selected_id ]['_wp_attached_file'] : '' );
list( $file_path, $upload_path ) = ewww_image_optimizer_attachment_path( $meta, $selected_id, $attached_file, false );
// Run a quick fix for as3cf files.
if ( class_exists( 'Amazon_S3_And_CloudFront' ) && strpos( $file_path, 's3' ) === 0 ) {
ewww_image_optimizer_check_table_as3cf( $meta, $selected_id, $file_path );
}
ewww_image_optimizer_debug_log();
if ( ( strpos( $file_path, 's3' ) === 0 || ! is_file( $file_path ) ) && ( class_exists( 'WindowsAzureStorageUtil' ) || class_exists( 'Amazon_S3_And_CloudFront' ) ) ) {
// Construct a $file_path and proceed IF a supported CDN plugin is installed.
ewwwio_debug_message( 'Azure or S3 detected and no local file found' );
$file_path = get_attached_file( $selected_id );
if ( strpos( $file_path, 's3' ) === 0 ) {
$file_path = get_attached_file( $selected_id, true );
}
ewwwio_debug_message( "remote file possible: $file_path" );
if ( ! $file_path ) {
ewwwio_debug_message( 'no file found on remote storage, bailing' );
continue;
}
$remote_file = true;
} elseif ( ! $file_path ) {
ewwwio_debug_message( "no file path for $selected_id" );
continue;
}
ewww_image_optimizer_debug_log();
$attachment_images['full'] = $file_path;
$retina_path = ewww_image_optimizer_hidpi_optimize( $file_path, true );
if ( $retina_path ) {
$attachment_images['full-retina'] = $retina_path;
}
ewww_image_optimizer_debug_log();
// Resized versions available, see what we can find.
if ( isset( $meta['sizes'] ) && ewww_image_optimizer_iterable( $meta['sizes'] ) ) {
// Meta sizes don't contain a full path, so we calculate one.
$base_ims_dir = trailingslashit( dirname( $file_path ) ) . '_resized/';
$base_dir = trailingslashit( dirname( $file_path ) );
// To keep track of the ones we have already processed.
$processed = array();
foreach ( $meta['sizes'] as $size => $data ) {
ewwwio_debug_message( "checking for size: $size" );
ewww_image_optimizer_debug_log();
if ( strpos( $size, 'webp' ) === 0 ) {
continue;
}
if ( ! empty( $disabled_sizes[ $size ] ) ) {
continue;
}
if ( ! empty( $disabled_sizes['pdf-full'] ) && 'full' == $size ) {
continue;
}
if ( empty( $data['file'] ) ) {
continue;
}
// Check to see if an IMS record exist from before a resize was moved to the IMS _resized folder.
$ims_path = $base_ims_dir . $data['file'];
if ( file_exists( $ims_path ) ) {
// We reset base_dir, because base_dir potentially gets overwritten with base_ims_dir.
$base_dir = trailingslashit( dirname( $file_path ) );
$ims_temp_path = $base_dir . $data['file'];
ewwwio_debug_message( "ims path: $ims_path" );
if ( $file_path != $ims_temp_path && is_array( $optimized_list ) && isset( $optimized_list[ $ims_temp_path ] ) ) {
$optimized_list[ $ims_path ] = $optimized_list[ $ims_temp_path ];
ewwwio_debug_message( "updating record {$optimized_list[ $ims_temp_path ]['id']} with $ims_path" );
// Update our records so that we have the correct path going forward.
$ewwwdb->update( $ewwwdb->ewwwio_images,
array(
'path' => ewww_image_optimizer_relative_path_remove( $ims_path ),
'updated' => $optimized_list[ $ims_temp_path ]['updated'],
),
array(
'id' => $optimized_list[ $ims_temp_path ]['id'],
)
);
}
$base_dir = $base_ims_dir;
}
// Check through all the sizes we've processed so far.
foreach ( $processed as $proc => $scan ) {
// If a previous resize had identical dimensions...
if ( $scan['height'] == $data['height'] && $scan['width'] == $data['width'] ) {
// Found a duplicate size, get outta here!
continue( 2 );
}
}
$resize_path = $base_dir . $data['file'];
if ( ( $remote_file || is_file( $resize_path ) ) && 'application/pdf' == $mime && 'full' == $size ) {
$attachment_images[ 'pdf-' . $size ] = $resize_path;
} elseif ( $remote_file || is_file( $resize_path ) ) {
$attachment_images[ $size ] = $resize_path;
}
// Optimize retina image, if it exists.
if ( function_exists( 'wr2x_get_retina' ) ) {
$retina_path = wr2x_get_retina( $resize_path );
} else {
$retina_path = false;
}
if ( $retina_path && is_file( $retina_path ) ) {
ewwwio_debug_message( "found retina via wr2x_get_retina $retina_path" );
$attachment_images[ $size . '-retina' ] = $retina_path;
} else {
$retina_path = ewww_image_optimizer_hidpi_optimize( $resize_path, true );
if ( $retina_path ) {
ewwwio_debug_message( "found retina via hidpi_opt $retina_path" );
$attachment_images[ $size . '-retina' ] = $retina_path;
}
}
// Store info on the sizes we've processed, so we can check the list for duplicate sizes.
$processed[ $size ]['width'] = $data['width'];
$processed[ $size ]['height'] = $data['height'];
} // End foreach().
} // End if().
ewww_image_optimizer_debug_log();
// Queue sizes from a custom theme.
if ( isset( $meta['image_meta']['resized_images'] ) && ewww_image_optimizer_iterable( $meta['image_meta']['resized_images'] ) ) {
$imagemeta_resize_pathinfo = pathinfo( $file_path );
$imagemeta_resize_path = '';
foreach ( $meta['image_meta']['resized_images'] as $index => $imagemeta_resize ) {
$imagemeta_resize_path = $imagemeta_resize_pathinfo['dirname'] . '/' . $imagemeta_resize_pathinfo['filename'] . '-' . $imagemeta_resize . '.' . $imagemeta_resize_pathinfo['extension'];
if ( is_file( $imagemeta_resize_path ) ) {
$attachment_images[ 'resized-images-' . $index ] = $imagemeta_resize_path;
}
}
}
ewww_image_optimizer_debug_log();
// Queue size from another custom theme.
if ( isset( $meta['custom_sizes'] ) && ewww_image_optimizer_iterable( $meta['custom_sizes'] ) ) {
$custom_sizes_pathinfo = pathinfo( $file_path );
$custom_size_path = '';
foreach ( $meta['custom_sizes'] as $dimensions => $custom_size ) {
$custom_size_path = $custom_sizes_pathinfo['dirname'] . '/' . $custom_size['file'];
if ( is_file( $custom_size_path ) ) {
$attachment_images[ 'custom-size-' . $dimensions ] = $custom_size_path;
}
}
}
ewww_image_optimizer_debug_log();
// Check if the files are 'prev opt', pending, or brand new, and then queue the file as needed.
foreach ( $attachment_images as $size => $file_path ) {
ewwwio_debug_message( "here is a path $file_path" );
ewww_image_optimizer_debug_log();
if ( ! $remote_file && strpos( $file_path, 's3' ) !== 0 && ! defined( 'EWWW_IMAGE_OPTIMIZER_RELATIVE' ) ) {
$file_path = realpath( $file_path );
}
if ( empty( $file_path ) ) {
continue;
}
if ( apply_filters( 'ewww_image_optimizer_bypass', false, $file_path ) === true ) {
ewwwio_debug_message( "skipping $file_path as instructed" );
ewww_image_optimizer_debug_log();
continue;
}
ewwwio_debug_message( "here is the real path $file_path" );
ewwwio_debug_message( 'memory used: ' . memory_get_usage( true ) );
ewww_image_optimizer_debug_log();
$already_optimized = false;
if ( ! is_array( $optimized_list ) && is_string( $optimized_list ) ) {
$already_optimized = ewww_image_optimizer_find_already_optimized( $file_path );
} elseif ( is_array( $optimized_list ) && isset( $optimized_list[ $file_path ] ) ) {
$already_optimized = $optimized_list[ $file_path ];
}
if ( is_array( $already_optimized ) && ! empty( $already_optimized ) ) {
ewwwio_debug_message( 'potential match found' );
ewww_image_optimizer_debug_log();
if ( ! empty( $already_optimized['pending'] ) ) {
$pending = true;
ewwwio_debug_message( "pending record for $file_path" );
ewww_image_optimizer_debug_log();
continue;
}
if ( $remote_file ) {
$image_size = $already_optimized['image_size'];
ewwwio_debug_message( "image size for remote file is $image_size" );
ewww_image_optimizer_debug_log();
} else {
$image_size = filesize( $file_path );
ewwwio_debug_message( "image size is $image_size" );
if ( ! $image_size ) {
continue;
}
ewww_image_optimizer_debug_log();
}
if ( $image_size < ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_size' ) ) {
ewwwio_debug_message( "file skipped due to filesize: $file_path" );
ewww_image_optimizer_debug_log();
continue;
}
if ( 'image/png' == $mime && ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_png_size' ) && $image_size > ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_png_size' ) ) {
ewwwio_debug_message( "file skipped due to PNG filesize: $file_path" );
ewww_image_optimizer_debug_log();
continue;
}
if ( $already_optimized['image_size'] == $image_size && empty( $_REQUEST['ewww_force'] ) ) {
ewwwio_debug_message( "match found for $file_path" );
ewww_image_optimizer_debug_log();
continue;
} else {
ewwwio_debug_message( "mismatch found for $file_path, db says " . $already_optimized['image_size'] . " vs. current $image_size" );
ewww_image_optimizer_debug_log();
$pending = true;
if ( empty( $already_optimized['attachment_id'] ) ) {
ewwwio_debug_message( "updating record for $file_path, with id $selected_id and resize $size" );
ewww_image_optimizer_debug_log();
$ewwwdb->update(
$ewwwdb->ewwwio_images,
array(
'pending' => 1,
'attachment_id' => $selected_id,
'gallery' => 'media',
'resize' => $size,
'updated' => $already_optimized['updated'],
),
array(
'id' => $already_optimized['id'],
)
);
ewwwio_debug_message( 'updated record' );
} else {
ewwwio_debug_message( "adding $selected_id to reset queue" );
ewww_image_optimizer_debug_log();
$reset_images[] = (int) $already_optimized['id'];
}
}
ewww_image_optimizer_debug_log();
} else { // Looks like a new image.
if ( ! empty( $images[ $file_path ] ) ) {
continue;
}
$pending = true;
ewwwio_debug_message( "queuing $file_path" );
ewww_image_optimizer_debug_log();
if ( $remote_file ) {
$image_size = 0;
ewwwio_debug_message( 'image size set to 0' );
} else {
$image_size = filesize( $file_path );
ewwwio_debug_message( "image size is $image_size" );
if ( ! $image_size ) {
continue;
}
ewww_image_optimizer_debug_log();
if ( $image_size < ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_size' ) ) {
ewwwio_debug_message( "file skipped due to filesize: $file_path" );
ewww_image_optimizer_debug_log();
continue;
}
if ( 'image/png' == $mime && ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_png_size' ) && $image_size > ewww_image_optimizer_get_option( 'ewww_image_optimizer_skip_png_size' ) ) {
ewwwio_debug_message( "file skipped due to PNG filesize: $file_path" );
ewww_image_optimizer_debug_log();
continue;
}
}
if ( seems_utf8( $file_path ) ) {
ewwwio_debug_message( 'file seems utf8' );
$utf8_file_path = $file_path;
} else {
ewwwio_debug_message( 'file will become utf8' );
$utf8_file_path = utf8_encode( $file_path );
}
ewww_image_optimizer_debug_log();
$images[ $file_path ] = array(
'path' => ewww_image_optimizer_relative_path_remove( $utf8_file_path ),
'gallery' => 'media',
'orig_size' => $image_size,
'attachment_id' => $selected_id,
'resize' => $size,
'pending' => 1,
);
$image_count++;
ewwwio_debug_message( 'image added to $images queue' );
ewww_image_optimizer_debug_log();
} // End if().
if ( $image_count > 1000 || count( $reset_images ) > 1000 ) {
ewwwio_debug_message( 'making a dump run' );
ewww_image_optimizer_debug_log();
// Let's dump what we have so far to the db.
$image_count = 0;
if ( ! empty( $images ) ) {
ewwwio_debug_message( 'doing mass insert' );
ewww_image_optimizer_debug_log();
ewww_image_optimizer_mass_insert( $wpdb->ewwwio_images, $images, $field_formats );
}
$images = array();
if ( ! empty( $reset_images ) ) {
ewwwio_debug_message( 'marking reset_images as pending' );
ewww_image_optimizer_debug_log();
$ewwwdb->query( "UPDATE $ewwwdb->ewwwio_images SET pending = 1, updated = updated WHERE id IN (" . implode( ',', $reset_images ) . ')' );
}
$reset_images = array();
}
} // End foreach().
// End of loop checking all the attachment_images for selected_id to see if they are optimized already or pending already.
if ( $pending ) {
ewwwio_debug_message( "$selected_id added to queue" );
ewww_image_optimizer_debug_log();
$queued_ids[] = $selected_id;
}
$attachment_images = array();
ewwwio_debug_message( 'checking for bad attachment' );
ewww_image_optimizer_debug_log();
if ( $selected_id == $bad_attachment ) {
ewwwio_debug_message( 'found bad attachment, bailing to reset the counter' );
ewww_image_optimizer_debug_log();
if ( ! defined( 'WP_CLI' ) || ! WP_CLI ) {
$attachment_ids = array_merge( $failsafe_selected_ids, $attachment_ids );
break 2;
}
}
} // End foreach().
// End of loop for the selected_id.
ewwwio_debug_message( 'finished foreach, storing remaining attachments in scanning_attachments' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_scanning_attachments', $attachment_ids, false );
$attachments_queued = get_option( 'ewww_image_optimizer_bulk_attachments' );
if ( empty( $attachments_queued ) || ! is_array( $attachments_queued ) ) {
ewwwio_debug_message( 'storing queued attachments in bulk_attachments' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_bulk_attachments', $queued_ids, false );
} else {
ewwwio_debug_message( 'storing queued attachments in bulk_attachments, merged with existing' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_bulk_attachments', array_merge( $attachments_queued, $queued_ids ), false );
}
$queued_ids = array();
ewwwio_debug_message( 'finished a loop in the while, going back for more possibly' );
ewww_image_optimizer_debug_log();
} // End while().
ewwwio_debug_message( 'done for a while, wrapping up' );
ewww_image_optimizer_debug_log();
if ( ! empty( $images ) ) {
ewww_image_optimizer_mass_insert( $wpdb->ewwwio_images, $images, $field_formats );
}
if ( ! empty( $reset_images ) ) {
$ewwwdb->query( "UPDATE $ewwwdb->ewwwio_images SET pending = 1, updated = updated WHERE id IN (" . implode( ',', $reset_images ) . ')' );
}
if ( 250 > $attachments_processed ) { // in-memory table is too slow.
ewwwio_debug_message( 'using in-memory table is too slow, switching to plan b' );
set_transient( 'ewww_image_optimizer_low_memory_mode', 'slow_list', 600 ); // Put it in low memory mode for at least 10 minutes.
}
ewwwio_debug_message( 'storing remaining attachments in scanning_attachments' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_scanning_attachments', $attachment_ids, false );
if ( ! empty( $queued_ids ) ) {
$attachments_queued = get_option( 'ewww_image_optimizer_bulk_attachments' );
if ( empty( $attachments_queued ) || ! is_array( $attachments_queued ) ) {
ewwwio_debug_message( 'storing queued attachments in bulk_attachments' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_bulk_attachments', $queued_ids, false );
} else {
ewwwio_debug_message( 'storing queued attachments in bulk_attachments, merged with existing' );
ewww_image_optimizer_debug_log();
update_option( 'ewww_image_optimizer_bulk_attachments', array_merge( $attachments_queued, $queued_ids ), false );
}
}
$elapsed = microtime( true ) - $started;
ewwwio_debug_message( "counting images took $elapsed seconds" );
ewwwio_memory( __FUNCTION__ );
ewww_image_optimizer_debug_log();
if ( 'ewww-image-optimizer-cli' === $hook ) {
return;
}
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
$notice = ( 'low_memory' == get_transient( 'ewww_image_optimizer_low_memory_mode' ) ? esc_html__( "Increasing PHP's memory_limit setting will allow for faster scanning with fewer database queries. Please allow up to 10 minutes for changes to memory limit to be detected.", 'ewww-image-optimizer' ) : '' );
if ( count( $attachment_ids ) ) {
ewwwio_ob_clean();
die( json_encode( array(
/* translators: %d: number of images */
'remaining' => sprintf( esc_html__( 'Stage 1, %d images left to scan.', 'ewww-image-optimizer' ), count( $attachment_ids ) ) . " <img src='$loading_image' />",
'notice' => $notice,
'bad_attachment' => $bad_attachment,
) ) );
} else {
ewwwio_ob_clean();
die( json_encode( array(
'remaining' => esc_html__( 'Stage 2, please wait.', 'ewww-image-optimizer' ) . " <img src='$loading_image' />",
'notice' => $notice,
'bad_attachment' => $bad_attachment,
) ) );
}
}
/**
* Called via AJAX to get an update on the API quota usage.
*/
function ewww_image_optimizer_bulk_quota_update() {
// Verify that an authorized user has made the request.
$permissions = apply_filters( 'ewww_image_optimizer_bulk_permissions', '' );
if ( ! wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' ) || ! current_user_can( $permissions ) ) {
ewwwio_ob_clean();
die( esc_html__( 'Access token has expired, please reload the page.', 'ewww-image-optimizer' ) );
}
ewwwio_ob_clean();
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ) ) {
echo esc_html__( 'Image credits available:', 'ewww-image-optimizer' ) . ' ' . ewww_image_optimizer_cloud_quota();
}
ewwwio_memory( __FUNCTION__ );
die();
}
/**
* Called via AJAX to start the bulk operation and get the name of the first image in the queue.
*/
function ewww_image_optimizer_bulk_initialize() {
// Verify that an authorized user has made the request.
$permissions = apply_filters( 'ewww_image_optimizer_bulk_permissions', '' );
if ( ! wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' ) || ! current_user_can( $permissions ) ) {
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Access token has expired, please reload the page.', 'ewww-image-optimizer' ),
) ) );
}
session_write_close();
$output = array();
$attachments = get_option( 'ewww_image_optimizer_bulk_attachments' );
if ( ! is_array( $attachments ) && ! empty( $attachments ) ) {
$attachments = unserialize( $attachments );
}
if ( ! is_array( $attachments ) ) {
// See if we care about the attachment list missing: resizing or converting to be done.
if ( ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_maxmediawidth' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_maxmediaheight' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_maxotherwidth' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_maxotherheight' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_jpg_to_png' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_to_jpg' ) ||
ewww_image_optimizer_get_option( 'ewww_image_optimizer_gif_to_png' ) ) &&
ewww_image_optimizer_aux_images_table_count_pending_media()
) {
if ( ewww_image_optimizer_function_exists( 'print_r' ) ) {
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Error retrieving list of images', 'ewww-image-optimizer' ),
'data' => print_r( $attachments, true ),
) ) );
} else {
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Error retrieving list of images', 'ewww-image-optimizer' ),
'data' => 'print_r disabled',
) ) );
}
}
}
// Update the 'bulk resume' option to show that an operation is in progress.
update_option( 'ewww_image_optimizer_bulk_resume', 'true' );
$attachment = (int) array_shift( $attachments );
ewwwio_debug_message( "first image: $attachment" );
$first_image = new EWWW_Image( $attachment, 'media' );
$file = $first_image->file;
// Generate the WP spinner image for display.
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
// Let the user know that we are beginning.
if ( $file ) {
$output['results'] = '<p>' . esc_html__( 'Optimizing', 'ewww-image-optimizer' ) . " <b>$file</b> <img src='$loading_image' /></p>";
} else {
$output['results'] = '<p>' . esc_html__( 'Optimizing', 'ewww-image-optimizer' ) . " <img src='$loading_image' /></p>";
}
$output['start_time'] = time();
ewwwio_memory( __FUNCTION__ );
ewwwio_ob_clean();
die( json_encode( $output ) );
}
/**
* Skips an un-optimizable image after all counter-measures have been attempted.
*
* @param object $image The EWWW_Image object representing the image to skip.
*/
function ewww_image_optimizer_bulk_skip_image( $image ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
ewww_image_optimizer_update_table( $image->file, filesize( $image->file ), filesize( $image->file ) );
}
/**
* Checks if any optimization failures have been detected and attempts to react accordingly.
*
* @param object $image The EWWW_Image object representing the currently queued image.
*/
function ewww_image_optimizer_bulk_counter_measures( $image ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
if ( ! empty( $_REQUEST['ewww_error_counter'] ) ) {
$error_counter = (int) $_REQUEST['ewww_error_counter'];
if ( 30 != $error_counter ) {
$failed_file = get_transient( 'ewww_image_optimizer_failed_file' );
$previous_incomplete_file = get_transient( 'ewww_image_optimizer_bulk_current_image' );
if ( is_array( get_transient( 'ewww_image_optimizer_bulk_counter_measures' ) ) ) {
$previous_countermeasures = get_transient( 'ewww_image_optimizer_bulk_counter_measures' );
} else {
$previous_countermeasures = array(
'resize_existing' => false,
'png50' => false,
'png40' => false,
'png2jpg' => false,
'pngdefaults' => false,
'jpg2png' => false,
'jpg40' => false,
'gif2png' => false,
'pdf20' => false,
);
}
if ( $failed_file == $image->file || $previous_incomplete_file == $image->file ) {
ewwwio_debug_message( "failed file detected, taking evasive action: $failed_file" );
// Use the constants for temporary overrides, while keeping track of which ones we've used.
if ( 'image/png' == ewww_image_optimizer_quick_mimetype( $image->file ) ) {
if ( empty( $previous_countermeasures['png50'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL' ) && 50 == ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
ewwwio_debug_message( 'png50' );
// If the file is a PNG and compression is 50, try 40.
define( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL', 40 );
$previous_countermeasures['png50'] = true;
} elseif ( empty( $previous_countermeasures['png40'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL' ) && 40 <= ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
ewwwio_debug_message( 'png40' );
// If the file is a PNG and compression is 40 (or higher), try 20.
define( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL', 20 );
$previous_countermeasures['png40'] = true;
} elseif ( empty( $previous_countermeasures['png2jpg'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_PNG_TO_JPG' ) && ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_to_jpg' ) ) {
ewwwio_debug_message( 'png2jpg' );
// If the file is a PNG and PNG2JPG is enabled.
// also set png level to 20 if needed...
define( 'EWWW_IMAGE_OPTIMIZER_PNG_TO_JPG', false );
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL' ) && 40 <= ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL', 20 );
}
$previous_countermeasures['png2jpg'] = true;
} elseif ( empty( $previous_countermeasures['pngdefaults'] )
&& 10 == ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' )
&& ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_optipng_level' ) > 2
|| ! ewww_image_optimizer_get_option( 'ewww_image_optimizer_disable_pngout' ) )
) {
ewwwio_debug_message( 'pngdefaults' );
// If PNG compression is 10 with pngout or optipng set higher than 2 or pngout enabled.
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_OPTIPNG_LEVEL' ) && 2 < ewww_image_optimizer_get_option( 'ewww_image_optimizer_optipng_level' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_OPTIPNG_LEVEL', 2 );
}
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_DISABLE_PNGOUT' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_DISABLE_PNGOUT', true );
}
$previous_countermeasures['pngdefaults'] = true;
} elseif ( empty( $previous_countermeasures['resize_existing'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_RESIZE_EXISTING' ) && ewww_image_optimizer_get_option( 'ewww_image_optimizer_resize_existing' ) ) {
ewwwio_debug_message( 'resize_existing' );
// If resizing is enabled, try to disable it.
define( 'EWWW_IMAGE_OPTIMIZER_RESIZE_EXISTING', false );
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL' ) && 40 <= ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_PNG_LEVEL', 20 );
}
if ( 10 == ewww_image_optimizer_get_option( 'ewww_image_optimizer_png_level' ) ) {
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_OPTIPNG_LEVEL' ) && 2 < ewww_image_optimizer_get_option( 'ewww_image_optimizer_optipng_level' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_OPTIPNG_LEVEL', 2 );
}
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_DISABLE_PNGOUT' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_DISABLE_PNGOUT', true );
}
}
$previous_countermeasures['resize_existing'] = true;
} else {
// If the file is a PNG and nothing else worked, skip it.
ewww_image_optimizer_bulk_skip_image( $image );
} // End if().
} // End if().
if ( 'image/jpeg' == ewww_image_optimizer_quick_mimetype( $image->file ) ) {
if ( empty( $previous_countermeasures['jpg2png'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG' ) && ewww_image_optimizer_get_option( 'ewww_image_optimizer_jpg_to_png' ) ) {
ewwwio_debug_message( 'jpg2png' );
// If the file is a JPG and JPG2PNG is enabled.
define( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG', false );
$previous_countermeasures['jpg2png'] = true;
} elseif ( empty( $previous_countermeasures['jpg40'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_JPG_LEVEL' ) && 40 == ewww_image_optimizer_get_option( 'ewww_image_optimizer_jpg_level' ) ) {
ewwwio_debug_message( 'jpg40' );
// If the file is a JPG and level 40 is enabled, drop it to 30 (and nuke jpg2png).
define( 'EWWW_IMAGE_OPTIMIZER_JPG_LEVEL', 30 );
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG', false );
}
$previous_countermeasures['jpg40'] = true;
} elseif ( empty( $previous_countermeasures['resize_existing'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_RESIZE_EXISTING' ) && ewww_image_optimizer_get_option( 'ewww_image_optimizer_resize_existing' ) ) {
ewwwio_debug_message( 'resize_existing' );
// If resizing is enabled, try to disable it.
define( 'EWWW_IMAGE_OPTIMIZER_RESIZE_EXISTING', false );
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_JPG_LEVEL' ) && 40 == ewww_image_optimizer_get_option( 'ewww_image_optimizer_jpg_level' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_JPG_LEVEL', 30 );
}
if ( ! defined( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG' ) ) {
define( 'EWWW_IMAGE_OPTIMIZER_JPG_TO_PNG', false );
}
$previous_countermeasures['resize_existing'] = true;
} else {
// If all else fails, skip it.
ewww_image_optimizer_bulk_skip_image( $image );
}
}
if ( 'image/gif' == ewww_image_optimizer_quick_mimetype( $image->file ) ) {
if ( empty( $previous_countermeasures['gif2png'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_GIF_TO_PNG' ) && ewww_image_optimzer_get_option( 'ewww_image_optimizer_gif_to_png' ) ) {
ewwwio_debug_message( 'gif2png' );
// If the file is a GIF and GIF2PNG is enabled.
define( 'EWWW_IMAGE_OPTIMIZER_GIF_TO_PNG', false );
$previous_countermeasures['gif2png'] = true;
} else {
// If all else fails, skip it.
ewww_image_optimizer_bulk_skip_image( $image );
}
}
if ( 'application/pdf' == ewww_image_optimizer_quick_mimetype( $image->file ) ) {
if ( empty( $previous_countermeasures['pdf20'] ) && ! defined( 'EWWW_IMAGE_OPTIMIZER_PDF_LEVEL' ) && 20 == ewww_image_optimzer_get_option( 'ewww_image_optimizer_pdf_level' ) ) {
ewwwio_debug_message( 'pdf20' );
// If lossy PDF is enabled, drop it down a notch.
define( 'EWWW_IMAGE_OPTIMIZER_PDF_LEVEL', 10 );
$previous_countermeasures['pdf20'] = true;
} else {
// If all else fails, skip it.
ewww_image_optimizer_bulk_skip_image( $image );
}
}
set_transient( 'ewww_image_optimizer_bulk_counter_measures', $previous_countermeasures, 600 );
// MAYBE:::In any of the cases, output some sort of warning to let the user know we took evasive action, and they might need to adjust their settings.
} // End if().
set_transient( 'ewww_image_optimizer_failed_file', $image->file, 600 );
return $previous_countermeasures;
} else {
delete_transient( 'ewww_image_optimizer_failed_file' );
delete_transient( 'ewww_image_optimizer_bulk_counter_measures' );
} // End if().
} // End if().
return false;
}
/**
* Called by AJAX to process each image in the queue.
*
* @global object $wpdb
* @global bool $ewww_defer Change to false so nothing is deferred.
*
* @param string $hook Optional. Lets us know if WP-CLI is running. Default empty.
* @param int $delay Optional. Number of seconds to pause between images. Default 0.
* @return bool When using WP-CLI, true keeps the process running, false indicates completion.
*/
function ewww_image_optimizer_bulk_loop( $hook = '', $delay = 0 ) {
ewwwio_debug_message( '<b>' . __FUNCTION__ . '()</b>' );
global $ewww_defer;
$ewww_defer = false;
$output = array();
$time_adjustment = 0;
// Verify that an authorized user has started the optimizer.
$permissions = apply_filters( 'ewww_image_optimizer_bulk_permissions', '' );
if ( 'ewww-image-optimizer-cli' !== $hook && ( ! wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' ) || ! current_user_can( $permissions ) ) ) {
ewwwio_ob_clean();
die( json_encode( array(
'error' => esc_html__( 'Access token has expired, please reload the page.', 'ewww-image-optimizer' ),
) ) );
}
session_write_close();
// Retrieve the time when the optimizer starts.
$started = microtime( true );
// Prevent the scheduled optimizer from firing during a bulk optimization.
set_transient( 'ewww_image_optimizer_no_scheduled_optimization', true, 10 * MINUTE_IN_SECONDS );
// Make the Force Re-optimize option persistent.
if ( ! empty( $_REQUEST['ewww_force'] ) ) {
set_transient( 'ewww_image_optimizer_force_reopt', true, HOUR_IN_SECONDS );
} else {
delete_transient( 'ewww_image_optimizer_force_reopt' );
}
// Find out if our nonce is on it's last leg/tick.
if ( ! empty( $_REQUEST['ewww_wpnonce'] ) ) {
$tick = wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' );
if ( 2 === $tick ) {
$output['new_nonce'] = wp_create_nonce( 'ewww-image-optimizer-bulk' );
} else {
$output['new_nonce'] = '';
}
}
$batch_image_limit = ( empty( $_REQUEST['ewww_batch_limit'] ) ? 999 : 1 );
// Get the 'bulk attachments' with a list of IDs remaining.
$attachments = get_option( 'ewww_image_optimizer_bulk_attachments' );
if ( ! empty( $attachments ) && is_array( $attachments ) ) {
$attachment = (int) $attachments[0];
} else {
$attachment = 0;
}
$image = new EWWW_Image( $attachment, 'media' );
if ( ! $image->file ) {
ewwwio_ob_clean();
die( json_encode( array(
'done' => 1,
'completed' => 0,
) ) );
}
$output['results'] = '';
$output['completed'] = 0;
while ( $output['completed'] < $batch_image_limit && $image->file && microtime( true ) - $started + $time_adjustment < apply_filters( 'ewww_image_optimizer_timeout', 15 ) ) {
$output['completed']++;
$meta = false;
// See if the image needs fetching from a CDN.
if ( ! is_file( $image->file ) ) {
$meta = wp_get_attachment_metadata( $image->attachment_id );
$file_path = ewww_image_optimizer_remote_fetch( $image->attachment_id, $meta );
unset( $meta );
if ( ! $file_path ) {
ewwwio_debug_message( 'could not retrieve path' );
if ( defined( 'WP_CLI' ) && WP_CLI ) {
WP_CLI::line( __( 'Could not find image', 'ewww-image-optimizer' ) . ' ' . $image->file );
} else {
$output['results'] .= sprintf( '<p>' . esc_html__( 'Could not find image', 'ewww-image-optimizer' ) . ' <strong>%s</strong></p>', esc_html( $image->file ) );
}
}
}
// If a resize is missing, see if it should (and can) be regenerated.
if ( $image->resize && 'full' != $image->resize && ! is_file( $image->file ) ) {
// TODO: Make sure this is optional, because of CDN offloading: resized image does not exist, regenerate it.
}
$countermeasures = ewww_image_optimizer_bulk_counter_measures( $image );
if ( $countermeasures ) {
$batch_image_limit = 1;
}
set_transient( 'ewww_image_optimizer_bulk_current_image', $image->file, 600 );
if ( 'full' === $image->resize && ewww_image_optimizer_get_option( 'ewww_image_optimizer_resize_existing' ) && ! function_exists( 'imsanity_get_max_width_height' ) ) {
if ( ! $meta || ! is_array( $meta ) ) {
$meta = wp_get_attachment_metadata( $image->attachment_id );
}
$new_dimensions = ewww_image_optimizer_resize_upload( $image->file );
if ( is_array( $new_dimensions ) ) {
$meta['width'] = $new_dimensions[0];
$meta['height'] = $new_dimensions[1];
}
}
list( $file, $msg, $converted, $original ) = ewww_image_optimizer( $image->file, 1, false, false, 'full' == $image->resize );
// Gotta make sure we don't delete a pending record if the license is exceeded, so the license check goes first.
$ewww_status = get_transient( 'ewww_image_optimizer_cloud_status' );
if ( ! empty( $ewww_status ) && preg_match( '/exceeded/', $ewww_status ) ) {
$output['error'] = esc_html__( 'License Exceeded', 'ewww-image-optimizer' );
delete_transient( 'ewww_image_optimizer_bulk_counter_measures' );
delete_transient( 'ewww_image_optimizer_bulk_current_image' );
ewwwio_ob_clean();
die( json_encode( $output ) );
}
// Delete a pending record if the optimization failed for whatever reason.
if ( ! $file && $image->id ) {
global $wpdb;
$wpdb->delete(
$wpdb->ewwwio_images,
array(
'id' => $image->id,
),
array( '%d' )
);
}
// If this is a full size image and it was converted.
if ( 'full' == $image->resize && ( false !== $image->increment || false !== $converted ) ) {
if ( ! $meta || ! is_array( $meta ) ) {
$meta = wp_get_attachment_metadata( $image->attachment_id );
}
if ( $converted ) {
$image->increment = $converted;
}
$image->file = $file;
$image->converted = $original;
$meta['file'] = trailingslashit( dirname( $meta['file'] ) ) . basename( $file );
$image->update_converted_attachment( $meta );
$meta = $image->convert_sizes( $meta );
}
if ( defined( 'WP_CLI' ) && WP_CLI ) {
WP_CLI::line( __( 'Optimized', 'ewww-image-optimizer' ) . ' ' . $image->file );
WP_CLI::line( str_replace( ' ', '', $msg ) );
}
$output['results'] .= sprintf( '<p>' . esc_html__( 'Optimized', 'ewww-image-optimizer' ) . ' <strong>%s</strong><br>', esc_html( $image->file ) );
$output['results'] .= "$msg</p>";
// Do metadata update after full-size is processed, usually because of conversion or resizing.
if ( 'full' == $image->resize && $image->attachment_id ) {
if ( $meta && is_array( $meta ) ) {
$meta_saved = wp_update_attachment_metadata( $image->attachment_id, $meta );
if ( ! $meta_saved ) {
ewwwio_debug_message( 'failed to save meta' );
}
}
}
// Pull the next image.
$next_image = new EWWW_Image( $attachment, 'media' );
// When we finish all the sizes, we want to fire off any filters for plugins that might need to take action when an image is updated.
if ( $attachment && $attachment != $next_image->attachment_id ) {
$meta = apply_filters( 'wp_update_attachment_metadata', wp_get_attachment_metadata( $image->attachment_id ), $image->attachment_id );
}
// When an image (attachment) is done, pull the next attachment ID off the stack.
if ( ( 'full' == $next_image->resize || empty( $next_image->resize ) ) && ! empty( $attachment ) && $attachment != $next_image->attachment_id ) {
$attachment = (int) array_shift( $attachments ); // Pull the last image off the stack first.
if ( ! empty( $attachments ) && is_array( $attachments ) ) {
$attachment = (int) $attachments[0]; // Then grab the next one (if any are left).
} else {
$attachment = 0;
}
$next_image = new EWWW_Image( $attachment, 'media' );
}
$image = $next_image;
$time_adjustment = $image->time_estimate();
} // End while().
// Calculate how much time has elapsed since we started.
$elapsed = microtime( true ) - $started;
// Output how much time has elapsed since we started.
if ( defined( 'WP_CLI' ) && WP_CLI ) {
/* translators: %s: number of seconds */
WP_CLI::line( sprintf( _n( 'Elapsed: %s second', 'Elapsed: %s seconds', $elapsed, 'ewww-image-optimizer' ), number_format_i18n( $elapsed ) ) );
if ( ewww_image_optimizer_function_exists( 'sleep' ) ) {
sleep( $delay );
}
}
/* translators: %s: number of seconds */
$output['results'] .= sprintf( '<p>' . esc_html( _n( 'Elapsed: %s second', 'Elapsed: %s seconds', $elapsed, 'ewww-image-optimizer' ) ) . '</p>', number_format_i18n( $elapsed ) );
// Store the updated list of attachment IDs back in the 'bulk_attachments' option.
update_option( 'ewww_image_optimizer_bulk_attachments', $attachments, false );
if ( ewww_image_optimizer_get_option( 'ewww_image_optimizer_debug' ) ) {
global $ewww_debug;
$output['results'] .= '<div style="background-color:#ffff99;">' . $ewww_debug . '</div>';
}
if ( ! empty( $next_image->file ) ) {
$next_file = esc_html( $next_image->file );
// Generate the WP spinner image for display.
$loading_image = plugins_url( '/images/wpspin.gif', __FILE__ );
if ( $next_file ) {
$output['next_file'] = '<p>' . esc_html__( 'Optimizing', 'ewww-image-optimizer' ) . " <b>$next_file</b> <img src='$loading_image' /></p>";
} else {
$output['next_file'] = '<p>' . esc_html__( 'Optimizing', 'ewww-image-optimizer' ) . " <img src='$loading_image' /></p>";
}
} else {
$output['done'] = 1;
if ( defined( 'WP_CLI' ) && WP_CLI ) {
delete_transient( 'ewww_image_optimizer_bulk_counter_measures' );
delete_transient( 'ewww_image_optimizer_bulk_current_image' );
return false;
}
}
ewww_image_optimizer_debug_log();
delete_transient( 'ewww_image_optimizer_bulk_counter_measures' );
delete_transient( 'ewww_image_optimizer_bulk_current_image' );
ewwwio_memory( __FUNCTION__ );
if ( defined( 'WP_CLI' ) && WP_CLI ) {
return true;
}
$output['current_time'] = time();
ewwwio_ob_clean();
die( json_encode( $output ) );
}
/**
* Called by javascript to cleanup after ourselves after a bulk operation.
*/
function ewww_image_optimizer_bulk_cleanup() {
// Verify that an authorized user has started the optimizer.
$permissions = apply_filters( 'ewww_image_optimizer_bulk_permissions', '' );
if ( ! wp_verify_nonce( $_REQUEST['ewww_wpnonce'], 'ewww-image-optimizer-bulk' ) || ! current_user_can( $permissions ) ) {
ewwwio_ob_clean();
die( '<p><b>' . esc_html__( 'Access token has expired, please reload the page.', 'ewww-image-optimizer' ) . '</b></p>' );
}
// All done, so we can update the bulk options with empty values.
update_option( 'ewww_image_optimizer_aux_resume', '' );
update_option( 'ewww_image_optimizer_bulk_resume', '' );
update_option( 'ewww_image_optimizer_bulk_attachments', '', false );
delete_transient( 'ewww_image_optimizer_skip_aux' );
delete_transient( 'ewww_image_optimizer_force_reopt' );
// Let the user know we are done.
ewwwio_memory( __FUNCTION__ );
ewwwio_ob_clean();
die( '<p><b>' . esc_html__( 'Finished', 'ewww-image-optimizer' ) . '</b> - <a href="upload.php">' . esc_html__( 'Return to Media Library', 'ewww-image-optimizer' ) . '</a></p>' );
}
add_action( 'admin_enqueue_scripts', 'ewww_image_optimizer_bulk_script' );
add_action( 'wp_ajax_bulk_scan', 'ewww_image_optimizer_media_scan' );
add_action( 'wp_ajax_bulk_init', 'ewww_image_optimizer_bulk_initialize' );
add_action( 'wp_ajax_bulk_filename', 'ewww_image_optimizer_bulk_filename' );
add_action( 'wp_ajax_bulk_loop', 'ewww_image_optimizer_bulk_loop' );
add_action( 'wp_ajax_bulk_cleanup', 'ewww_image_optimizer_bulk_cleanup' );
add_action( 'wp_ajax_bulk_quota_update', 'ewww_image_optimizer_bulk_quota_update' );
add_filter( 'ewww_image_optimizer_count_optimized_queries', 'ewww_image_optimizer_reduce_query_count' );
?>