upload_dir, $this->upload_url, $this->upload_path ) = $this->upload_dir_url_path(); add_filter( 'wp_generate_attachment_metadata', array( $this, 'generate_webp' ), 10, 2 ); add_action( 'pluswebp_mail_send', array( $this, 'mail_send' ), 10, 1 ); /* Ajax */ $action1 = 'bulkgeneratewebp-ajax-action'; $action2 = 'bulkgeneratewebp_message'; add_action( 'wp_ajax_' . $action1, array( $this, 'bulkgeneratewebp_update_callback' ) ); add_action( 'wp_ajax_' . $action2, array( $this, 'bulkgeneratewebp_message_callback' ) ); } /** ================================================== * Webp generate * * @param array $metadata metadata. * @param int $attachment_id ID. * @return array $metadata metadata. * @since 1.00 */ public function generate_webp( $metadata, $attachment_id ) { $pluswebp_settings = get_option( 'pluswebp' ); $replace = $pluswebp_settings['replace']; $mime_type = get_post_mime_type( $attachment_id ); if ( in_array( $mime_type, $pluswebp_settings['types'] ) ) { $metadata_webp = $metadata; $file_webp = $this->change_ext( $metadata['file'], 'webp', $pluswebp_settings['addext'] ); $metadata_webp['file'] = $file_webp; foreach ( (array) $metadata['sizes'] as $key => $value ) { $file_thumb = $value['file']; $file_thumb_webp = $this->change_ext( $file_thumb, 'webp', $pluswebp_settings['addext'] ); if ( '.' === dirname( $file_webp ) ) { $dir_name_url = '/'; $dir_name_path = wp_normalize_path( '/' ); } else { $dir_name_url = '/' . dirname( $file_webp ) . '/'; $dir_name_path = wp_normalize_path( $dir_name_url ); } $url = $this->upload_url . $dir_name_url; $path = $this->upload_dir . $dir_name_path; $ret = $this->create_webp( $path . $file_thumb, $mime_type, $path . $file_thumb_webp ); if ( $ret ) { $metadata_webp['sizes'][ $key ]['file'] = $file_thumb_webp; $metadata_webp['sizes'][ $key ]['mime-type'] = 'image/webp'; if ( $replace ) { unlink( $path . $file_thumb ); $this->change_db( $url . $file_thumb, $url . $file_thumb_webp ); } } } $org_img_file = null; if ( array_key_exists( 'original_image', $metadata ) && ! empty( $metadata['original_image'] ) ) { $org_img_file = wp_normalize_path( wp_get_original_image_path( $attachment_id, false ) ); $org_webp_file = $this->change_ext( $org_img_file, 'webp', $pluswebp_settings['addext'] ); $ret = $this->create_webp( $org_img_file, $mime_type, $org_webp_file ); if ( $ret ) { $metadata_webp['original_image'] = wp_basename( $org_webp_file ); } } $ret = $this->create_webp( $this->upload_dir . '/' . $metadata['file'], $mime_type, $this->upload_dir . '/' . $file_webp ); if ( $ret ) { if ( $replace ) { $up_post = array( 'ID' => $attachment_id, 'guid' => $this->upload_url . '/' . $file_webp, 'post_mime_type' => 'image/webp', ); wp_update_post( $up_post ); update_post_meta( $attachment_id, '_wp_attached_file', $file_webp ); /* for bulk generate */ update_post_meta( $attachment_id, '_wp_attachment_metadata', $metadata_webp ); /* delete org file */ unlink( $this->upload_dir . '/' . $metadata['file'] ); if ( $org_img_file ) { unlink( $org_img_file ); } /* Replace */ $this->change_db( $this->upload_url . '/' . $metadata['file'], $this->upload_url . '/' . $file_webp ); /* for hook */ $metadata = $metadata_webp; /* for mail */ $attach_id = $attachment_id; } else { $post = get_post( $attachment_id ); $title = get_the_title( $post ); $attachment = array( 'guid' => $this->upload_url . '/' . $file_webp, 'post_mime_type' => 'image/webp', 'post_title' => $title, 'post_content' => '', 'post_status' => 'inherit', ); $file = $this->upload_dir . '/' . $file_webp; $attach_id = wp_insert_attachment( $attachment, $file ); /* for XAMPP [ get_attached_file( $attach_id ): Unable to get correct value ] */ $metapath_name = str_replace( $this->upload_dir . '/', '', $file ); update_post_meta( $attach_id, '_wp_attached_file', $metapath_name ); wp_update_attachment_metadata( $attach_id, $metadata_webp ); $author = get_userdata( $post->post_author ); $userid = $author->ID; $postdate = get_the_date( 'Y-m-d H:i:s', $attachment_id ); $postdategmt = get_gmt_from_date( $postdate ); $up_post = array( 'ID' => $attach_id, 'post_author' => $userid, 'post_date' => $postdate, 'post_date_gmt' => $postdategmt, 'post_modified' => $postdate, 'post_modified_gmt' => $postdategmt, ); wp_update_post( $up_post ); } $ids = get_option( 'pluswebp_generate' ); $ids[] = $attach_id; update_option( 'pluswebp_generate', $ids ); } } return $metadata; } /** ================================================== * IDs Callback * * @since 2.00 */ public function bulkgeneratewebp_update_callback() { $action1 = 'bulkgeneratewebp-ajax-action'; if ( check_ajax_referer( $action1, 'nonce', false ) ) { if ( current_user_can( 'manage_options' ) ) { if ( ! empty( $_POST['id'] ) ) { $id = absint( $_POST['id'] ); } else { return; } if ( ! wp_get_attachment_url( $id ) ) { $error_string = __( 'No media!', 'plus-webp' ); $output_html = '
ID: ' . $id . ' ' . $error_string . '
'; } else { $output_html = $this->output_html( $id ); } if ( ! empty( $output_html ) ) { header( 'Content-type: text/html; charset=UTF-8' ); $allowed_output_html = array( 'a' => array( 'href' => array(), 'target' => array(), 'rel' => array(), 'style' => array(), ), 'img' => array( 'src' => array(), 'width' => array(), 'height' => array(), 'style' => array(), ), 'div' => array( 'style' => array(), 'class' => array(), ), 'font' => array( 'color' => array(), ), 'ul' => array(), 'li' => array(), 'span' => array( 'class' => array(), 'style' => array(), ), ); echo wp_kses( $output_html, $allowed_output_html ); } } } else { status_header( '403' ); echo 'Forbidden'; } wp_die(); } /** ================================================== * Output html for Ajax * * @param array $attach_id attach_id. * @since 2.00 */ private function output_html( $attach_id ) { include_once ABSPATH . 'wp-admin/includes/image.php'; /* Generate thumbnails */ $metadata_org = wp_get_attachment_metadata( $attach_id ); do_action( 'wp_generate_attachment_metadata', $metadata_org, $attach_id ); if ( get_option( 'pluswebp_generate' ) ) { $ids = get_option( 'pluswebp_generate' ); delete_option( 'pluswebp_generate' ); $webp_id = $ids[0]; $metadata = wp_get_attachment_metadata( $webp_id ); /* Thumbnail urls */ list( $image_thumbnail, $imagethumburls ) = $this->thumbnail_urls( $webp_id, $metadata, $this->upload_url ); /* Output datas*/ list( $attachment_link, $attachment_url, $filename, $original_image_url, $original_filename, $mime_type, $stamptime, $file_size ) = $this->output_datas( $webp_id, $metadata ); $output_html = '
'; $output_html .= ''; $output_html .= '
'; $output_html .= '
ID: ' . $webp_id . '
'; $output_html .= '
' . __( 'Title' ) . ': ' . get_the_title( $webp_id ) . '
'; $output_html .= '
' . __( 'Permalink:' ) . ' ' . $attachment_link . '
'; $output_html .= '
URL: ' . $attachment_url . '
'; $output_html .= '
' . __( 'File name:' ) . ' ' . $filename . '
'; if ( ! empty( $original_image_url ) ) { $output_html .= '
' . __( 'Original URL', 'plus-webp' ) . ': ' . $original_image_url . '
'; $output_html .= '
' . __( 'Original File name', 'plus-webp' ) . ': ' . $original_filename . '
'; } $output_html .= '
' . __( 'Date/Time' ) . ': ' . $stamptime . '
'; $output_html .= '
' . __( 'File type:' ) . ' ' . $mime_type . '
'; $output_html .= '
' . __( 'File size:' ) . ' ' . $file_size . '
'; if ( ! empty( $imagethumburls ) ) { $output_html .= '
' . __( 'Images' ) . ': '; foreach ( $imagethumburls as $thumbsize => $imagethumburl ) { $output_html .= '[' . $thumbsize . ']'; } $output_html .= '
'; } $output_html .= '
'; } else { $output_html = null; } return $output_html; } /** ================================================== * Thumbnail urls * * @param int $attach_id attach_id. * @param array $metadata metadata. * @param string $upload_url upload_url. * @return array $image_thumbnail(string), $imagethumburls(array) * @since 2.00 */ private function thumbnail_urls( $attach_id, $metadata, $upload_url ) { $image_attr_thumbnail = wp_get_attachment_image_src( $attach_id, 'thumbnail', true ); $image_thumbnail = $image_attr_thumbnail[0]; $imagethumburls = array(); if ( ! empty( $metadata ) && array_key_exists( 'sizes', $metadata ) ) { $thumbnails = $metadata['sizes']; $path_file = get_post_meta( $attach_id, '_wp_attached_file', true ); $filename = wp_basename( $path_file ); $media_path = str_replace( $filename, '', $path_file ); $media_url = $upload_url . '/' . $media_path; foreach ( $thumbnails as $key => $key2 ) { $imagethumburls[ $key ] = $media_url . $key2['file']; } } return array( $image_thumbnail, $imagethumburls ); } /** ================================================== * Output datas * * @param int $attach_id attach_id. * @param array $metadata metadata. * @return array (string) $attachment_link, $attachment_url, $filename, $original_image_url, $original_filename, $mime_type(string), $stamptime, $file_size * @since 2.00 */ private function output_datas( $attach_id, $metadata ) { $attachment_link = get_attachment_link( $attach_id ); $attachment_url = wp_get_attachment_url( $attach_id ); $filename = wp_basename( $attachment_url ); if ( ! empty( $metadata ) && array_key_exists( 'original_image', $metadata ) && ! empty( $metadata['original_image'] ) ) { $original_image_url = wp_get_original_image_url( $attach_id ); $original_filename = wp_basename( $original_image_url ); } else { $original_image_url = null; $original_filename = null; } $mime_type = get_post_mime_type( $attach_id ); $stamptime = get_the_time( 'Y-n-j ', $attach_id ) . get_the_time( 'G:i:s', $attach_id ); if ( ! empty( $metadata ) && array_key_exists( 'filesize', $metadata ) && ! empty( $metadata['filesize'] ) ) { $file_size = $metadata['filesize']; } else { $file_size = @filesize( get_attached_file( $attach_id ) ); } if ( ! $file_size ) { $file_size = __( 'Could not retrieve.', 'plus-webp' ); } else { $file_size = size_format( $file_size ); } return array( $attachment_link, $attachment_url, $filename, $original_image_url, $original_filename, $mime_type, $stamptime, $file_size ); } /** ================================================== * Messages Callback * * @since 2.00 */ public function bulkgeneratewebp_message_callback() { $action2 = 'bulkgeneratewebp_message'; if ( check_ajax_referer( $action2, 'nonce', false ) ) { $error_count = 0; $error_update = null; $success_count = 0; if ( ! empty( $_POST['error_count'] ) ) { $error_count = absint( $_POST['error_count'] ); } if ( ! empty( $_POST['error_update'] ) ) { $error_update = sanitize_text_field( wp_unslash( $_POST['error_update'] ) ); } if ( ! empty( $_POST['success_count'] ) ) { $success_count = absint( $_POST['success_count'] ); } $back_html = '' . __( 'Back' ) . ''; $output_html = null; if ( $error_count > 0 ) { /* translators: error message %1$d: media count %2$s: back link */ $error_message = sprintf( __( 'Errored to the generation of %1$d medias.', 'plus-webp' ), $error_count, $back_html ); $output_html .= '
'; } if ( $success_count > 0 ) { /* translators: success message %1$d: media count %2$s: back link */ $success_message = sprintf( __( 'Succeeded to the generation webp of %1$d medias for Media Library. %2$s', 'plus-webp' ), $success_count, $back_html ); $output_html .= '
'; } header( 'Content-type: text/html; charset=UTF-8' ); $allowed_output_html = array( 'div' => array( 'class' => array(), ), 'ul' => array(), 'li' => array(), 'strong' => array(), 'a' => array( 'style' => array(), 'href' => array(), ), ); echo wp_kses( $output_html, $allowed_output_html ); } wp_die(); } /** ================================================== * Mail send hook * * @param string $to to. * @since 1.09 */ public function mail_send( $to ) { $post_ids = get_option( 'pluswebp_generate' ); delete_option( 'pluswebp_generate' ); if ( function_exists( 'wp_date' ) ) { $now_date_time = wp_date( 'Y-m-d H:i:s' ); } else { $now_date_time = date_i18n( 'Y-m-d H:i:s' ); } $pluswebp_mail_send = array(); $pluswebp_mail_send['datetime'] = $now_date_time; /* translators: Date and Time */ $message = sprintf( __( 'Plus WebP : %s', 'plus-webp' ), $now_date_time ) . "\r\n\r\n"; if ( ! empty( $post_ids ) ) { $message .= __( 'Generation of WebP is complete.', 'plus-webp' ) . "\r\n\r\n"; $pluswebp_mail_send['count'] = count( $post_ids ); $count = 0; foreach ( $post_ids as $attach_id ) { $metadata = wp_get_attachment_metadata( $attach_id ); /* Thumbnail urls */ list( $image_thumbnail, $imagethumburls ) = $this->thumbnail_urls( $attach_id, $metadata, $this->upload_url ); /* Output datas*/ list( $attachment_link, $attachment_url, $filename, $original_image_url, $original_filename, $mime_type, $stamptime, $file_size ) = $this->output_datas( $attach_id, $metadata ); $count++; $message .= __( 'Count' ) . ': ' . $count . "\n"; $message .= 'ID: ' . $attach_id . "\n"; $message .= __( 'Title' ) . ': ' . get_the_title( $attach_id ) . "\n"; $message .= __( 'Permalink:' ) . ' ' . $attachment_link . "\n"; $message .= 'URL: ' . $attachment_url . "\n"; $message .= __( 'File name:' ) . ' ' . $filename . "\n"; if ( ! empty( $original_image_url ) ) { $message .= __( 'Original URL:', 'plus-webp' ) . ' ' . $original_image_url . "\n"; $message .= __( 'Original File name:', 'plus-webp' ) . ' ' . $original_filename . "\n"; } $message .= __( 'Date/Time' ) . ': ' . $stamptime . "\n"; $message .= __( 'File size:' ) . ' ' . $file_size . "\n"; if ( ! empty( $imagethumburls ) ) { foreach ( $imagethumburls as $thumbsize => $imagethumburl ) { $message .= $thumbsize . ': ' . $imagethumburl . "\n"; } } $message .= "\n"; } } else { $message .= __( 'WebP was not generated. A file with the same name already exists.', 'plus-webp' ) . "\r\n\r\n"; $pluswebp_mail_send['count'] = 0; } update_option( 'pluswebp_generate_mail', $pluswebp_mail_send ); /* translators: blogname for subject */ $subject = sprintf( __( '[%s] WebP generate', 'plus-webp' ), get_option( 'blogname' ) ); wp_mail( $to, $subject, $message ); } /** ================================================== * Webp create * * @param string $filename input filename for pictures. * @param string $mime_type mimetype. * @param string $filename_webp output filename for webp. * @return bool $ret create bool. * @since 1.00 */ private function create_webp( $filename, $mime_type, $filename_webp ) { if ( ! file_exists( $filename ) ) { return false; } if ( file_exists( $filename_webp ) ) { return false; } $pluswebp_settings = get_option( 'pluswebp' ); @set_time_limit( 60 ); @ini_set( 'memory_limit', '256M' ); $ret = false; switch ( $mime_type ) { case 'image/jpeg': $src = imagecreatefromjpeg( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); $bgcolor = imagecolorallocate( $img, 255, 255, 255 ); imagefill( $img, 0, 0, $bgcolor ); imagealphablending( $img, true ); break; case 'image/png': $src = imagecreatefrompng( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); imagealphablending( $img, false ); imagesavealpha( $img, true ); break; case 'image/bmp': $src = imagecreatefrombmp( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); break; case 'image/gif': $src = imagecreatefromgif( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); $bgcolor = imagecolorallocatealpha( $img, 0, 0, 0, 127 ); imagefill( $img, 0, 0, $bgcolor ); imagecolortransparent( $img, $bgcolor ); break; } imagecopy( $img, $src, 0, 0, 0, 0, imagesx( $src ), imagesy( $src ) ); imagedestroy( $src ); $ret = imagewebp( $img, $filename_webp, $pluswebp_settings['quality'] ); imagedestroy( $img ); return $ret; } /** ================================================== * Change ext * * @param string $before_file_name before_file_name. * @param string $ext ext. * @param bool $addext addext. * @return array $after_file_name after_file_name. * @since 1.00 */ private function change_ext( $before_file_name, $ext, $addext ) { if ( $addext ) { $after_file_name = $before_file_name . '.' . $ext; } else { $exts = explode( '.', $before_file_name ); $before_ext = '.' . end( $exts ); $after_ext = '.' . $ext; $after_file_name = str_replace( $before_ext, $after_ext, $before_file_name ); } return $after_file_name; } /** ================================================== * Change DB * * @param string $before_url before_url. * @param string $after_url after_url. * @since 1.00 */ private function change_db( $before_url, $after_url ) { global $wpdb; /* Replace */ $wpdb->query( $wpdb->prepare( " UPDATE {$wpdb->prefix}posts SET post_content = replace( post_content, %s, %s ) ", $before_url, $after_url ) ); } /** ================================================== * Upload Path * * @return array $upload_dir,$upload_url,$upload_path uploadpath. * @since 1.00 */ public function upload_dir_url_path() { $wp_uploads = wp_upload_dir(); $relation_path_true = strpos( $wp_uploads['baseurl'], '../' ); if ( $relation_path_true > 0 ) { $relationalpath = substr( $wp_uploads['baseurl'], $relation_path_true ); $basepath = substr( $wp_uploads['baseurl'], 0, $relation_path_true ); $upload_url = $this->realurl( $basepath, $relationalpath ); $upload_dir = wp_normalize_path( realpath( $wp_uploads['basedir'] ) ); } else { $upload_url = $wp_uploads['baseurl']; $upload_dir = wp_normalize_path( $wp_uploads['basedir'] ); } if ( is_ssl() ) { $upload_url = str_replace( 'http:', 'https:', $upload_url ); } if ( $relation_path_true > 0 ) { $upload_path = $relationalpath; } else { $upload_path = str_replace( site_url( '/' ), '', $upload_url ); } $upload_dir = untrailingslashit( $upload_dir ); $upload_url = untrailingslashit( $upload_url ); $upload_path = untrailingslashit( $upload_path ); return array( $upload_dir, $upload_url, $upload_path ); } /** ================================================== * Real Url * * @param string $base base. * @param string $relationalpath relationalpath. * @return string $realurl realurl. * @since 1.00 */ private function realurl( $base, $relationalpath ) { $parse = array( 'scheme' => null, 'user' => null, 'pass' => null, 'host' => null, 'port' => null, 'query' => null, 'fragment' => null, ); $parse = wp_parse_url( $base ); if ( strpos( $parse['path'], '/', ( strlen( $parse['path'] ) - 1 ) ) !== false ) { $parse['path'] .= '.'; } if ( preg_match( '#^https?://#', $relationalpath ) ) { return $relationalpath; } elseif ( preg_match( '#^/.*$#', $relationalpath ) ) { return $parse['scheme'] . '://' . $parse['host'] . $relationalpath; } else { $base_path = explode( '/', dirname( $parse['path'] ) ); $rel_path = explode( '/', $relationalpath ); foreach ( $rel_path as $rel_dir_name ) { if ( '.' === $rel_dir_name ) { array_shift( $base_path ); array_unshift( $base_path, '' ); } elseif ( '..' === $rel_dir_name ) { array_pop( $base_path ); if ( count( $base_path ) === 0 ) { $base_path = array( '' ); } } else { array_push( $base_path, $rel_dir_name ); } } $path = implode( '/', $base_path ); return $parse['scheme'] . '://' . $parse['host'] . $path; } } }