| 1 |
<?php |
| 2 |
/** |
| 3 |
* Plus WebP |
| 4 |
* |
| 5 |
* @package Plus WebP |
| 6 |
* @subpackage PlusWebp Main function |
| 7 |
/* Copyright (c) 2019- Katsushi Kawamori (email : dodesyoswift312@gmail.com) |
| 8 |
This program is free software; you can redistribute it and/or modify |
| 9 |
it under the terms of the GNU General Public License as published by |
| 10 |
the Free Software Foundation; version 2 of the License. |
| 11 |
|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
| 18 |
along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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$pluswebp = new PlusWebp(); |
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|
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/** ================================================== |
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* Class Main function |
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* |
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* @since 1.00 |
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*/ |
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class PlusWebp { |
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|
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/** ================================================== |
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* Dir |
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* |
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* @var $upload_dir DIR. |
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*/ |
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private $upload_dir; |
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|
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/** ================================================== |
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* URL |
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* |
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* @var $upload_url URL. |
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*/ |
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private $upload_url; |
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|
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/** ================================================== |
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* Path |
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* |
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* @var $upload_path PATH. |
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*/ |
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private $upload_path; |
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|
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/** ================================================== |
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* Construct |
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* |
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* @since 1.00 |
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*/ |
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public function __construct() { |
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|
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list( $this->upload_dir, $this->upload_url, $this->upload_path ) = $this->upload_dir_url_path(); |
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|
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add_filter( 'wp_generate_attachment_metadata', array( $this, 'generate_webp' ), 10, 2 ); |
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add_action( 'pluswebp_mail_send', array( $this, 'mail_send' ), 10, 1 ); |
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|
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} |
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|
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/** ================================================== |
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* Webp generate |
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* |
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* @param array $metadata metadata. |
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* @param int $attachment_id ID. |
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* @return array $metadata metadata. |
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* @since 1.00 |
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*/ |
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public function generate_webp( $metadata, $attachment_id ) { |
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|
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$pluswebp_settings = get_option( 'pluswebp' ); |
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$replace = $pluswebp_settings['replace']; |
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|
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$mime_type = get_post_mime_type( $attachment_id ); |
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if ( in_array( $mime_type, $pluswebp_settings['types'] ) ) { |
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$metadata_webp = $metadata; |
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$file_webp = $this->change_ext( $metadata['file'], 'webp' ); |
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$metadata_webp['file'] = $file_webp; |
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foreach ( (array) $metadata['sizes'] as $key => $value ) { |
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$file_thumb = $value['file']; |
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$file_thumb_webp = $this->change_ext( $file_thumb, 'webp' ); |
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$path = $this->upload_dir . '/' . dirname( $file_webp ) . '/'; |
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$url = $this->upload_url . '/' . dirname( $file_webp ) . '/'; |
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$ret = $this->create_webp( $path . $file_thumb, $mime_type, $path . $file_thumb_webp ); |
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if ( $ret ) { |
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$metadata_webp['sizes'][ $key ]['file'] = $file_thumb_webp; |
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$metadata_webp['sizes'][ $key ]['mime-type'] = 'image/webp'; |
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if ( $replace ) { |
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unlink( $path . $file_thumb ); |
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$this->change_db( $url . $file_thumb, $url . $file_thumb_webp ); |
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} |
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} |
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} |
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|
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$ret = $this->create_webp( $this->upload_dir . '/' . $metadata['file'], $mime_type, $this->upload_dir . '/' . $file_webp ); |
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if ( $ret ) { |
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if ( $replace ) { |
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$up_post = array( |
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'ID' => $attachment_id, |
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'guid' => $this->upload_url . '/' . $file_webp, |
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'post_mime_type' => 'image/webp', |
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); |
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wp_update_post( $up_post ); |
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update_post_meta( $attachment_id, '_wp_attached_file', $file_webp ); |
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/* for bulk generate */ |
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update_post_meta( $attachment_id, '_wp_attachment_metadata', $metadata_webp ); |
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/* delete org file */ |
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unlink( $this->upload_dir . '/' . $metadata['file'] ); |
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/* Replace */ |
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$this->change_db( $this->upload_url . '/' . $metadata['file'], $this->upload_url . '/' . $file_webp ); |
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/* for hook */ |
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$metadata = $metadata_webp; |
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/* for mail */ |
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$attach_id = $attachment_id; |
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} else { |
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$post = get_post( $attachment_id ); |
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$title = get_the_title( $post ); |
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$attachment = array( |
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'guid' => $this->upload_url . '/' . $file_webp, |
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'post_mime_type' => 'image/webp', |
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'post_title' => $title, |
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'post_content' => '', |
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'post_status' => 'inherit', |
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); |
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$attach_id = wp_insert_attachment( $attachment, $this->upload_dir . '/' . $file_webp ); |
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wp_update_attachment_metadata( $attach_id, $metadata_webp ); |
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|
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$author = get_userdata( $post->post_author ); |
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$userid = $author->ID; |
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$postdate = get_the_date( 'Y-m-d H:i:s', $attachment_id ); |
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$postdategmt = get_gmt_from_date( $postdate ); |
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$up_post = array( |
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'ID' => $attach_id, |
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'post_author' => $userid, |
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'post_date' => $postdate, |
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'post_date_gmt' => $postdategmt, |
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'post_modified' => $postdate, |
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'post_modified_gmt' => $postdategmt, |
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); |
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wp_update_post( $up_post ); |
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} |
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|
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$ids = get_option( 'pluswebp_generate' ); |
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$ids[] = $attach_id; |
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update_option( 'pluswebp_generate', $ids ); |
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|
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} |
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} |
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|
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return $metadata; |
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|
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} |
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|
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/** ================================================== |
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* Mail send hook |
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* |
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* @param string $to to. |
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* @since 1.09 |
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*/ |
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public function mail_send( $to ) { |
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|
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$post_ids = get_option( 'pluswebp_generate' ); |
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delete_option( 'pluswebp_generate' ); |
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|
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if ( function_exists( 'wp_date' ) ) { |
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$now_date_time = wp_date( 'Y-m-d H:i:s' ); |
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} else { |
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$now_date_time = date_i18n( 'Y-m-d H:i:s' ); |
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} |
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$pluswebp_mail_send = array(); |
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$pluswebp_mail_send['datetime'] = $now_date_time; |
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|
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if ( ! empty( $post_ids ) ) { |
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|
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$message = __( 'Generation of WebP is complete.', 'plus-webp' ) . "\r\n\r\n"; |
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$pluswebp_mail_send['count'] = count( $post_ids ); |
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|
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$count = 0; |
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foreach ( $post_ids as $attach_id ) { |
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$filename = get_attached_file( $attach_id ); |
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$metadata = wp_get_attachment_metadata( $attach_id ); |
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/* OutputMetaData */ |
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list( $imagethumburls, $stamptime, $file_size ) = $this->output_metadata( $attach_id, $metadata, $this->upload_url ); |
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$count++; |
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$message .= __( 'Count' ) . ': ' . $count . "\n"; |
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$message .= 'ID: ' . $attach_id . "\n"; |
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$message .= __( 'Title' ) . ': ' . $title . "\n"; |
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$message .= __( 'Permalink:' ) . ' ' . get_attachment_link( $attach_id ) . "\n"; |
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$message .= 'URL: ' . wp_get_attachment_url( $attach_id ) . "\n"; |
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$message .= __( 'File name:' ) . ' ' . wp_basename( wp_get_attachment_url( $attach_id ) ) . "\n"; |
| 196 |
if ( ! empty( $metadata['original_image'] ) ) { |
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$message .= __( 'Original URL:', 'plus-webp' ) . ' ' . wp_get_original_image_url( $attach_id ) . "\n"; |
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$message .= __( 'Original File name:', 'plus-webp' ) . ' ' . wp_basename( wp_get_original_image_url( $attach_id ) ) . "\n"; |
| 199 |
} |
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$message .= __( 'Date/Time' ) . ': ' . $stamptime . "\n"; |
| 201 |
if ( ! $file_size ) { |
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$file_size = __( 'Could not retrieve.', 'plus-webp' ); |
| 203 |
} else { |
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$file_size = size_format( $file_size ); |
| 205 |
} |
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$message .= __( 'File size:' ) . ' ' . $file_size . "\n"; |
| 207 |
if ( ! empty( $imagethumburls ) ) { |
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foreach ( $imagethumburls as $thumbsize => $imagethumburl ) { |
| 209 |
$message .= $thumbsize . ': ' . $imagethumburl . "\n"; |
| 210 |
} |
| 211 |
} |
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$message .= "\n"; |
| 213 |
} |
| 214 |
} else { |
| 215 |
$message = __( 'WebP was not generated. A file with the same name already exists.', 'plus-webp' ) . "\r\n\r\n"; |
| 216 |
$pluswebp_mail_send['count'] = 0; |
| 217 |
} |
| 218 |
|
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update_option( 'pluswebp_generate_mail', $pluswebp_mail_send ); |
| 220 |
|
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/* translators: blogname for subject */ |
| 222 |
$subject = sprintf( __( '[%s] WebP generate', 'plus-webp' ), get_option( 'blogname' ) ); |
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wp_mail( $to, $subject, $message ); |
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|
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} |
| 226 |
|
| 227 |
/** ================================================== |
| 228 |
* Output metadata |
| 229 |
* |
| 230 |
* @param int $attach_id attach_id. |
| 231 |
* @param array $metadata metadata. |
| 232 |
* @param string $upload_url upload_url. |
| 233 |
* @return array $imagethumburls(string), $stamptime(string), $file_size(string) |
| 234 |
* @since 1.09 |
| 235 |
*/ |
| 236 |
private function output_metadata( $attach_id, $metadata, $upload_url ) { |
| 237 |
|
| 238 |
$imagethumburls = array(); |
| 239 |
$wp_attached_file = get_post_meta( $attach_id, '_wp_attached_file', true ); |
| 240 |
$imagethumburl_base = $upload_url . '/' . rtrim( $wp_attached_file, wp_basename( $wp_attached_file ) ); |
| 241 |
if ( ! empty( $metadata ) ) { |
| 242 |
foreach ( $metadata as $key1 => $key2 ) { |
| 243 |
if ( 'sizes' === $key1 ) { |
| 244 |
foreach ( $metadata[ $key1 ] as $key2 => $key3 ) { |
| 245 |
$imagethumburls[ $key2 ] = $imagethumburl_base . $metadata['sizes'][ $key2 ]['file']; |
| 246 |
} |
| 247 |
} |
| 248 |
} |
| 249 |
} |
| 250 |
|
| 251 |
$stamptime = get_the_time( 'Y-n-j ', $attach_id ) . get_the_time( 'G:i:s', $attach_id ); |
| 252 |
if ( isset( $metadata['filesize'] ) ) { |
| 253 |
$file_size = $metadata['filesize']; |
| 254 |
} else { |
| 255 |
$file_size = @filesize( get_attached_file( $attach_id ) ); |
| 256 |
} |
| 257 |
|
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return array( $imagethumburls, $stamptime, $file_size ); |
| 259 |
|
| 260 |
} |
| 261 |
|
| 262 |
/** ================================================== |
| 263 |
* Webp create |
| 264 |
* |
| 265 |
* @param string $filename input filename for pictures. |
| 266 |
* @param string $mime_type mimetype. |
| 267 |
* @param string $filename_webp output filename for webp. |
| 268 |
* @return bool $ret create bool. |
| 269 |
* @since 1.00 |
| 270 |
*/ |
| 271 |
private function create_webp( $filename, $mime_type, $filename_webp ) { |
| 272 |
|
| 273 |
if ( ! file_exists( $filename ) ) { |
| 274 |
return false; |
| 275 |
} |
| 276 |
if ( file_exists( $filename_webp ) ) { |
| 277 |
return false; |
| 278 |
} |
| 279 |
|
| 280 |
$pluswebp_settings = get_option( 'pluswebp' ); |
| 281 |
@set_time_limit( 60 ); |
| 282 |
|
| 283 |
$ret = false; |
| 284 |
switch ( $mime_type ) { |
| 285 |
case 'image/jpeg': |
| 286 |
$src = imagecreatefromjpeg( $filename ); |
| 287 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 288 |
imagefill( $img, 0, 0, imagecolorallocate( $img, 255, 255, 255 ) ); |
| 289 |
imagealphablending( $img, true ); |
| 290 |
break; |
| 291 |
case 'image/png': |
| 292 |
$src = imagecreatefrompng( $filename ); |
| 293 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 294 |
imagealphablending( $img, false ); |
| 295 |
imagesavealpha( $img, true ); |
| 296 |
break; |
| 297 |
case 'image/bmp': |
| 298 |
$src = imagecreatefrombmp( $filename ); |
| 299 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 300 |
break; |
| 301 |
case 'image/gif': |
| 302 |
$src = imagecreatefromgif( $filename ); |
| 303 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 304 |
$bgcolor = imagecolorallocatealpha( $img, 0, 0, 0, 127 ); |
| 305 |
imagefill( $img, 0, 0, $bgcolor ); |
| 306 |
imagecolortransparent( $img, $bgcolor ); |
| 307 |
break; |
| 308 |
} |
| 309 |
|
| 310 |
imagecopy( $img, $src, 0, 0, 0, 0, imagesx( $src ), imagesy( $src ) ); |
| 311 |
imagedestroy( $src ); |
| 312 |
$ret = imagewebp( $img, $filename_webp, $pluswebp_settings['quality'] ); |
| 313 |
imagedestroy( $img ); |
| 314 |
|
| 315 |
return $ret; |
| 316 |
|
| 317 |
} |
| 318 |
|
| 319 |
/** ================================================== |
| 320 |
* Change ext |
| 321 |
* |
| 322 |
* @param string $before_file_name before_file_name. |
| 323 |
* @param string $ext ext. |
| 324 |
* @return array $after_file_name after_file_name. |
| 325 |
* @since 1.00 |
| 326 |
*/ |
| 327 |
private function change_ext( $before_file_name, $ext ) { |
| 328 |
|
| 329 |
$exts = explode( '.', $before_file_name ); |
| 330 |
$before_ext = '.' . end( $exts ); |
| 331 |
$after_ext = '.' . $ext; |
| 332 |
$after_file_name = str_replace( $before_ext, $after_ext, $before_file_name ); |
| 333 |
|
| 334 |
return $after_file_name; |
| 335 |
|
| 336 |
} |
| 337 |
|
| 338 |
/** ================================================== |
| 339 |
* Change DB |
| 340 |
* |
| 341 |
* @param string $before_url before_url. |
| 342 |
* @param string $after_url after_url. |
| 343 |
* @since 1.00 |
| 344 |
*/ |
| 345 |
private function change_db( $before_url, $after_url ) { |
| 346 |
|
| 347 |
global $wpdb; |
| 348 |
|
| 349 |
/* Replace */ |
| 350 |
$wpdb->query( |
| 351 |
$wpdb->prepare( |
| 352 |
"UPDATE `$wpdb->posts` SET post_content = replace(post_content, %s, %s)", |
| 353 |
$before_url, |
| 354 |
$after_url |
| 355 |
) |
| 356 |
); |
| 357 |
|
| 358 |
} |
| 359 |
|
| 360 |
/** ================================================== |
| 361 |
* Upload Path |
| 362 |
* |
| 363 |
* @return array $upload_dir,$upload_url,$upload_path uploadpath. |
| 364 |
* @since 1.00 |
| 365 |
*/ |
| 366 |
public function upload_dir_url_path() { |
| 367 |
|
| 368 |
$wp_uploads = wp_upload_dir(); |
| 369 |
|
| 370 |
$relation_path_true = strpos( $wp_uploads['baseurl'], '../' ); |
| 371 |
if ( $relation_path_true > 0 ) { |
| 372 |
$relationalpath = substr( $wp_uploads['baseurl'], $relation_path_true ); |
| 373 |
$basepath = substr( $wp_uploads['baseurl'], 0, $relation_path_true ); |
| 374 |
$upload_url = $this->realurl( $basepath, $relationalpath ); |
| 375 |
$upload_dir = wp_normalize_path( realpath( $wp_uploads['basedir'] ) ); |
| 376 |
} else { |
| 377 |
$upload_url = $wp_uploads['baseurl']; |
| 378 |
$upload_dir = wp_normalize_path( $wp_uploads['basedir'] ); |
| 379 |
} |
| 380 |
|
| 381 |
if ( is_ssl() ) { |
| 382 |
$upload_url = str_replace( 'http:', 'https:', $upload_url ); |
| 383 |
} |
| 384 |
|
| 385 |
if ( $relation_path_true > 0 ) { |
| 386 |
$upload_path = $relationalpath; |
| 387 |
} else { |
| 388 |
$upload_path = str_replace( site_url( '/' ), '', $upload_url ); |
| 389 |
} |
| 390 |
|
| 391 |
$upload_dir = untrailingslashit( $upload_dir ); |
| 392 |
$upload_url = untrailingslashit( $upload_url ); |
| 393 |
$upload_path = untrailingslashit( $upload_path ); |
| 394 |
|
| 395 |
return array( $upload_dir, $upload_url, $upload_path ); |
| 396 |
|
| 397 |
} |
| 398 |
|
| 399 |
/** ================================================== |
| 400 |
* Real Url |
| 401 |
* |
| 402 |
* @param string $base base. |
| 403 |
* @param string $relationalpath relationalpath. |
| 404 |
* @return string $realurl realurl. |
| 405 |
* @since 1.00 |
| 406 |
*/ |
| 407 |
private function realurl( $base, $relationalpath ) { |
| 408 |
|
| 409 |
$parse = array( |
| 410 |
'scheme' => null, |
| 411 |
'user' => null, |
| 412 |
'pass' => null, |
| 413 |
'host' => null, |
| 414 |
'port' => null, |
| 415 |
'query' => null, |
| 416 |
'fragment' => null, |
| 417 |
); |
| 418 |
$parse = wp_parse_url( $base ); |
| 419 |
|
| 420 |
if ( strpos( $parse['path'], '/', ( strlen( $parse['path'] ) - 1 ) ) !== false ) { |
| 421 |
$parse['path'] .= '.'; |
| 422 |
} |
| 423 |
|
| 424 |
if ( preg_match( '#^https?://#', $relationalpath ) ) { |
| 425 |
return $relationalpath; |
| 426 |
} elseif ( preg_match( '#^/.*$#', $relationalpath ) ) { |
| 427 |
return $parse['scheme'] . '://' . $parse['host'] . $relationalpath; |
| 428 |
} else { |
| 429 |
$base_path = explode( '/', dirname( $parse['path'] ) ); |
| 430 |
$rel_path = explode( '/', $relationalpath ); |
| 431 |
foreach ( $rel_path as $rel_dir_name ) { |
| 432 |
if ( '.' === $rel_dir_name ) { |
| 433 |
array_shift( $base_path ); |
| 434 |
array_unshift( $base_path, '' ); |
| 435 |
} elseif ( '..' === $rel_dir_name ) { |
| 436 |
array_pop( $base_path ); |
| 437 |
if ( count( $base_path ) === 0 ) { |
| 438 |
$base_path = array( '' ); |
| 439 |
} |
| 440 |
} else { |
| 441 |
array_push( $base_path, $rel_dir_name ); |
| 442 |
} |
| 443 |
} |
| 444 |
$path = implode( '/', $base_path ); |
| 445 |
return $parse['scheme'] . '://' . $parse['host'] . $path; |
| 446 |
} |
| 447 |
|
| 448 |
} |
| 449 |
|
| 450 |
} |
| 451 |
|
| 452 |
|
| 453 |
|
