Sync plugins from current page
Signed-off-by: Adrian Nöthlich <git@promasu.tech>
This commit is contained in:
248
wp-content/plugins/imsanity/ajax.php
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248
wp-content/plugins/imsanity/ajax.php
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<?php
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/**
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* Imsanity AJAX functions.
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*
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* @package Imsanity
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*/
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add_action( 'wp_ajax_imsanity_get_images', 'imsanity_get_images' );
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add_action( 'wp_ajax_imsanity_resize_image', 'imsanity_resize_image' );
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/**
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* Verifies that the current user has administrator permission and, if not,
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* renders a json warning and dies
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*/
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function imsanity_verify_permission() {
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if ( ! current_user_can( 'activate_plugins' ) ) { // this isn't a real capability, but super admins can do anything, so it works.
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die(
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json_encode(
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array(
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'success' => false,
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'message' => esc_html__( 'Administrator permission is required', 'imsanity' ),
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)
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)
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);
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}
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if ( ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'imsanity-bulk' ) ) {
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die(
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json_encode(
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array(
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'success' => false,
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'message' => esc_html__( 'Access token has expired, please reload the page.', 'imsanity' ),
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)
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)
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);
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}
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}
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/**
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* Searches for up to 250 images that are candidates for resize and renders them
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* to the browser as a json array, then dies
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*/
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function imsanity_get_images() {
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imsanity_verify_permission();
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global $wpdb;
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$offset = 0;
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$limit = apply_filters( 'imsanity_attachment_query_limit', 3000 );
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$results = array();
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$maxw = imsanity_get_option( 'imsanity_max_width', IMSANITY_DEFAULT_MAX_WIDTH );
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$maxh = imsanity_get_option( 'imsanity_max_height', IMSANITY_DEFAULT_MAX_HEIGHT );
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$count = 0;
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$images = $wpdb->get_results( $wpdb->prepare( "SELECT metas.meta_value as file_meta,metas.post_id as ID FROM $wpdb->postmeta metas INNER JOIN $wpdb->posts posts ON posts.ID = metas.post_id WHERE posts.post_type = 'attachment' AND posts.post_mime_type LIKE %s AND posts.post_mime_type != 'image/bmp' AND metas.meta_key = '_wp_attachment_metadata' ORDER BY ID DESC LIMIT %d,%d", '%image%', $offset, $limit ) );
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/* $images = $wpdb->get_results( "SELECT metas.meta_value as file_meta,metas.post_id as ID FROM $wpdb->postmeta metas INNER JOIN $wpdb->posts posts ON posts.ID = metas.post_id WHERE posts.post_type LIKE 'attachment' AND posts.post_mime_type LIKE 'image%%' AND posts.post_mime_type NOT LIKE 'image/bmp' AND metas.meta_key = '_wp_attachment_metadata' LIMIT $offset,$limit" ); */
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while ( $images ) {
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foreach ( $images as $image ) {
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$imagew = false;
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$imageh = false;
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$meta = unserialize( $image->file_meta );
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// If "noresize" is included in the filename then we will bypass imsanity scaling.
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if ( ! empty( $meta['file'] ) && strpos( $meta['file'], 'noresize' ) !== false ) {
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continue;
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}
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if ( imsanity_get_option( 'imsanity_deep_scan', false ) ) {
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$file_path = imsanity_attachment_path( $meta, $image->ID, '', false );
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if ( $file_path ) {
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list( $imagew, $imageh ) = getimagesize( $file_path );
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}
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}
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if ( empty( $imagew ) || empty( $imageh ) ) {
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$imagew = $meta['width'];
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$imageh = $meta['height'];
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}
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if ( $imagew > $maxw || $imageh > $maxh ) {
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$count++;
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$results[] = array(
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'id' => $image->ID,
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'width' => $imagew,
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'height' => $imageh,
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'file' => $meta['file'],
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);
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}
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// Make sure we only return a limited number of records so we don't overload the ajax features.
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if ( $count >= IMSANITY_AJAX_MAX_RECORDS ) {
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break 2;
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}
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}
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$offset += $limit;
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$images = $wpdb->get_results( $wpdb->prepare( "SELECT metas.meta_value as file_meta,metas.post_id as ID FROM $wpdb->postmeta metas INNER JOIN $wpdb->posts posts ON posts.ID = metas.post_id WHERE posts.post_type = 'attachment' AND posts.post_mime_type LIKE %s AND posts.post_mime_type != 'image/bmp' AND metas.meta_key = '_wp_attachment_metadata' ORDER BY ID DESC LIMIT %d,%d", '%image%', $offset, $limit ) );
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} // endwhile
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die( json_encode( $results ) );
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}
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/**
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* Resizes the image with the given id according to the configured max width and height settings
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* renders a json response indicating success/failure and dies
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*/
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function imsanity_resize_image() {
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imsanity_verify_permission();
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global $wpdb;
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$id = (int) $_POST['id'];
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if ( ! $id ) {
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die(
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json_encode(
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array(
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'success' => false,
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'message' => esc_html__( 'Missing ID Parameter', 'imsanity' ),
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)
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)
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);
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}
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$meta = wp_get_attachment_metadata( $id );
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if ( $meta && is_array( $meta ) ) {
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$uploads = wp_upload_dir();
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$oldpath = imsanity_attachment_path( $meta['file'], $id, '', false );
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if ( empty( $oldpath ) || ! is_writable( $oldpath ) ) {
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/* translators: %s: File-name of the image */
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$msg = sprintf( esc_html__( '%s is not writable', 'imsanity' ), $meta['file'] );
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die(
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json_encode(
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array(
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'success' => false,
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'message' => $msg,
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)
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)
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);
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}
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$maxw = imsanity_get_option( 'imsanity_max_width', IMSANITY_DEFAULT_MAX_WIDTH );
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$maxh = imsanity_get_option( 'imsanity_max_height', IMSANITY_DEFAULT_MAX_HEIGHT );
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// method one - slow but accurate, get file size from file itself.
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list( $oldw, $oldh ) = getimagesize( $oldpath );
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// method two - get file size from meta, fast but resize will fail if meta is out of sync.
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if ( ! $oldw || ! $oldh ) {
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$oldw = $meta['width'];
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$oldh = $meta['height'];
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}
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if ( ( $oldw > $maxw && $maxw > 0 ) || ( $oldh > $maxh && $maxh > 0 ) ) {
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$quality = imsanity_get_option( 'imsanity_quality', IMSANITY_DEFAULT_QUALITY );
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if ( $oldw > $maxw && $maxw > 0 && $oldh > $maxh && $maxh > 0 && apply_filters( 'imsanity_crop_image', false ) ) {
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$neww = $maxw;
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$newh = $maxh;
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} else {
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list( $neww, $newh ) = wp_constrain_dimensions( $oldw, $oldh, $maxw, $maxh );
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}
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$resizeresult = imsanity_image_resize( $oldpath, $neww, $newh, apply_filters( 'imsanity_crop_image', false ), null, null, $quality );
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if ( $resizeresult && ! is_wp_error( $resizeresult ) ) {
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$newpath = $resizeresult;
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if ( $newpath !== $oldpath && is_file( $newpath ) && filesize( $newpath ) < filesize( $oldpath ) ) {
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// we saved some file space. remove original and replace with resized image.
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unlink( $oldpath );
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rename( $newpath, $oldpath );
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$meta['width'] = $neww;
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$meta['height'] = $newh;
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wp_update_attachment_metadata( $id, $meta );
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$results = array(
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'success' => true,
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'id' => $id,
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/* translators: %s: File-name of the image */
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'message' => sprintf( esc_html__( 'OK: %s', 'imsanity' ), $oldpath ),
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);
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} elseif ( $newpath !== $oldpath ) {
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// the resized image is actually bigger in filesize (most likely due to jpg quality).
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// keep the old one and just get rid of the resized image.
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if ( is_file( $newpath ) ) {
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unlink( $newpath );
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}
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$results = array(
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'success' => false,
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'id' => $id,
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/* translators: 1: File-name of the image 2: the error message, translated elsewhere */
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'message' => sprintf( esc_html__( 'ERROR: %1$s (%2$s)', 'imsanity' ), $oldpath, esc_html__( 'Resized image was larger than the original', 'imsanity' ) ),
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);
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} else {
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$results = array(
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'success' => false,
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'id' => $id,
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/* translators: 1: File-name of the image 2: the error message, translated elsewhere */
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'message' => sprintf( esc_html__( 'ERROR: %1$s (%2$s)', 'imsanity' ), $oldpath, esc_html__( 'Unknown error, resizing function returned the same filename', 'imsanity' ) ),
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);
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}
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} elseif ( false === $resizeresult ) {
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$results = array(
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'success' => false,
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'id' => $id,
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/* translators: 1: File-name of the image 2: the error message, translated elsewhere */
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'message' => sprintf( esc_html__( 'ERROR: %1$s (%2$s)', 'imsanity' ), $oldpath, esc_html__( 'wp_get_image_editor missing', 'imsanity' ) ),
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);
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} else {
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$results = array(
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'success' => false,
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'id' => $id,
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/* translators: 1: File-name of the image 2: the error message, translated elsewhere */
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'message' => sprintf( esc_html__( 'ERROR: %1$s (%2$s)', 'imsanity' ), $oldpath, htmlentities( $resizeresult->get_error_message() ) ),
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);
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}
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} else {
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$results = array(
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'success' => true,
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'id' => $id,
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/* translators: %s: File-name of the image */
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'message' => sprintf( esc_html__( 'SKIPPED: %s (Resize not required)', 'imsanity' ), $oldpath ) . " -- $oldw x $oldh",
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);
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if ( empty( $meta['width'] ) || empty( $meta['height'] ) ) {
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if ( empty( $meta['width'] ) || $meta['width'] > $oldw ) {
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$meta['width'] = $oldw;
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}
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if ( empty( $meta['height'] ) || $meta['height'] > $oldh ) {
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$meta['height'] = $oldh;
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}
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wp_update_attachment_metadata( $id, $meta );
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}
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}
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} else {
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$results = array(
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'success' => false,
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'id' => $id,
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/* translators: %s: ID number of the image */
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'message' => sprintf( esc_html__( 'ERROR: Attachment with ID of %d not found', 'imsanity' ), intval( $id ) ),
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);
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}
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// If there is a quota we need to reset the directory size cache so it will re-calculate.
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delete_transient( 'dirsize_cache' );
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die( json_encode( $results ) );
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}
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