| 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 |
|
| 12 |
This program is distributed in the hope that it will be useful, |
| 13 |
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. |
| 16 |
|
| 17 |
You should have received a copy of the GNU General Public License |
| 18 |
along with this program; if not, write to the Free Software |
| 19 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
*/ |
| 21 |
|
| 22 |
$pluswebp = new PlusWebp(); |
| 23 |
|
| 24 |
/** ================================================== |
| 25 |
* Class Main function |
| 26 |
* |
| 27 |
* @since 1.00 |
| 28 |
*/ |
| 29 |
class PlusWebp { |
| 30 |
|
| 31 |
/** ================================================== |
| 32 |
* Dir |
| 33 |
* |
| 34 |
* @var $upload_dir DIR. |
| 35 |
*/ |
| 36 |
private $upload_dir; |
| 37 |
|
| 38 |
/** ================================================== |
| 39 |
* URL |
| 40 |
* |
| 41 |
* @var $upload_url URL. |
| 42 |
*/ |
| 43 |
private $upload_url; |
| 44 |
|
| 45 |
/** ================================================== |
| 46 |
* Path |
| 47 |
* |
| 48 |
* @var $upload_path PATH. |
| 49 |
*/ |
| 50 |
private $upload_path; |
| 51 |
|
| 52 |
/** ================================================== |
| 53 |
* Construct |
| 54 |
* |
| 55 |
* @since 1.00 |
| 56 |
*/ |
| 57 |
public function __construct() { |
| 58 |
|
| 59 |
list( $this->upload_dir, $this->upload_url, $this->upload_path ) = $this->upload_dir_url_path(); |
| 60 |
|
| 61 |
add_filter( 'wp_generate_attachment_metadata', array( $this, 'generate_webp' ), 10, 2 ); |
| 62 |
add_action( 'pluswebp_mail_send', array( $this, 'mail_send' ), 10, 1 ); |
| 63 |
|
| 64 |
} |
| 65 |
|
| 66 |
/** ================================================== |
| 67 |
* Webp generate |
| 68 |
* |
| 69 |
* @param array $metadata metadata. |
| 70 |
* @param int $attachment_id ID. |
| 71 |
* @return array $metadata metadata. |
| 72 |
* @since 1.00 |
| 73 |
*/ |
| 74 |
public function generate_webp( $metadata, $attachment_id ) { |
| 75 |
|
| 76 |
$pluswebp_settings = get_option( 'pluswebp' ); |
| 77 |
$replace = $pluswebp_settings['replace']; |
| 78 |
|
| 79 |
$mime_type = get_post_mime_type( $attachment_id ); |
| 80 |
if ( in_array( $mime_type, $pluswebp_settings['types'] ) ) { |
| 81 |
$metadata_webp = $metadata; |
| 82 |
$file_webp = $this->change_ext( $metadata['file'], 'webp' ); |
| 83 |
$metadata_webp['file'] = $file_webp; |
| 84 |
foreach ( (array) $metadata['sizes'] as $key => $value ) { |
| 85 |
$file_thumb = $value['file']; |
| 86 |
$file_thumb_webp = $this->change_ext( $file_thumb, 'webp' ); |
| 87 |
$path = $this->upload_dir . '/' . dirname( $file_webp ) . '/'; |
| 88 |
$url = $this->upload_url . '/' . dirname( $file_webp ) . '/'; |
| 89 |
$ret = $this->create_webp( $path . $file_thumb, $mime_type, $path . $file_thumb_webp ); |
| 90 |
if ( $ret ) { |
| 91 |
$metadata_webp['sizes'][ $key ]['file'] = $file_thumb_webp; |
| 92 |
$metadata_webp['sizes'][ $key ]['mime-type'] = 'image/webp'; |
| 93 |
if ( $replace ) { |
| 94 |
unlink( $path . $file_thumb ); |
| 95 |
$this->change_db( $url . $file_thumb, $url . $file_thumb_webp ); |
| 96 |
} |
| 97 |
} |
| 98 |
} |
| 99 |
|
| 100 |
$ret = $this->create_webp( $this->upload_dir . '/' . $metadata['file'], $mime_type, $this->upload_dir . '/' . $file_webp ); |
| 101 |
if ( $ret ) { |
| 102 |
if ( $replace ) { |
| 103 |
$up_post = array( |
| 104 |
'ID' => $attachment_id, |
| 105 |
'guid' => $this->upload_url . '/' . $file_webp, |
| 106 |
'post_mime_type' => 'image/webp', |
| 107 |
); |
| 108 |
wp_update_post( $up_post ); |
| 109 |
update_post_meta( $attachment_id, '_wp_attached_file', $file_webp ); |
| 110 |
/* for bulk generate */ |
| 111 |
update_post_meta( $attachment_id, '_wp_attachment_metadata', $metadata_webp ); |
| 112 |
/* delete org file */ |
| 113 |
unlink( $this->upload_dir . '/' . $metadata['file'] ); |
| 114 |
/* Replace */ |
| 115 |
$this->change_db( $this->upload_url . '/' . $metadata['file'], $this->upload_url . '/' . $file_webp ); |
| 116 |
/* for hook */ |
| 117 |
$metadata = $metadata_webp; |
| 118 |
/* for mail */ |
| 119 |
$attach_id = $attachment_id; |
| 120 |
} else { |
| 121 |
$post = get_post( $attachment_id ); |
| 122 |
$title = get_the_title( $post ); |
| 123 |
$attachment = array( |
| 124 |
'guid' => $this->upload_url . '/' . $file_webp, |
| 125 |
'post_mime_type' => 'image/webp', |
| 126 |
'post_title' => $title, |
| 127 |
'post_content' => '', |
| 128 |
'post_status' => 'inherit', |
| 129 |
); |
| 130 |
$attach_id = wp_insert_attachment( $attachment, $this->upload_dir . '/' . $file_webp ); |
| 131 |
wp_update_attachment_metadata( $attach_id, $metadata_webp ); |
| 132 |
|
| 133 |
$author = get_userdata( $post->post_author ); |
| 134 |
$userid = $author->ID; |
| 135 |
$postdate = get_the_date( 'Y-m-d H:i:s', $attachment_id ); |
| 136 |
$postdategmt = get_gmt_from_date( $postdate ); |
| 137 |
$up_post = array( |
| 138 |
'ID' => $attach_id, |
| 139 |
'post_author' => $userid, |
| 140 |
'post_date' => $postdate, |
| 141 |
'post_date_gmt' => $postdategmt, |
| 142 |
'post_modified' => $postdate, |
| 143 |
'post_modified_gmt' => $postdategmt, |
| 144 |
); |
| 145 |
wp_update_post( $up_post ); |
| 146 |
} |
| 147 |
|
| 148 |
$ids = get_option( 'pluswebp_generate' ); |
| 149 |
$ids[] = $attach_id; |
| 150 |
update_option( 'pluswebp_generate', $ids ); |
| 151 |
|
| 152 |
} |
| 153 |
} |
| 154 |
|
| 155 |
return $metadata; |
| 156 |
|
| 157 |
} |
| 158 |
|
| 159 |
/** ================================================== |
| 160 |
* Mail send hook |
| 161 |
* |
| 162 |
* @param string $to to. |
| 163 |
* @since 1.09 |
| 164 |
*/ |
| 165 |
public function mail_send( $to ) { |
| 166 |
|
| 167 |
$post_ids = get_option( 'pluswebp_generate' ); |
| 168 |
delete_option( 'pluswebp_generate' ); |
| 169 |
|
| 170 |
if ( function_exists( 'wp_date' ) ) { |
| 171 |
$now_date_time = wp_date( 'Y-m-d H:i:s' ); |
| 172 |
} else { |
| 173 |
$now_date_time = date_i18n( 'Y-m-d H:i:s' ); |
| 174 |
} |
| 175 |
$pluswebp_mail_send = array(); |
| 176 |
$pluswebp_mail_send['datetime'] = $now_date_time; |
| 177 |
|
| 178 |
/* translators: Date and Time */ |
| 179 |
$message = sprintf( __( 'Plus WebP : %s', 'plus-webp' ), $now_date_time ) . "\r\n\r\n"; |
| 180 |
|
| 181 |
if ( ! empty( $post_ids ) ) { |
| 182 |
|
| 183 |
$message .= __( 'Generation of WebP is complete.', 'plus-webp' ) . "\r\n\r\n"; |
| 184 |
$pluswebp_mail_send['count'] = count( $post_ids ); |
| 185 |
|
| 186 |
$count = 0; |
| 187 |
foreach ( $post_ids as $attach_id ) { |
| 188 |
$filename = get_attached_file( $attach_id ); |
| 189 |
$metadata = wp_get_attachment_metadata( $attach_id ); |
| 190 |
/* OutputMetaData */ |
| 191 |
list( $imagethumburls, $stamptime, $file_size ) = $this->output_metadata( $attach_id, $metadata, $this->upload_url ); |
| 192 |
$count++; |
| 193 |
$message .= __( 'Count' ) . ': ' . $count . "\n"; |
| 194 |
$message .= 'ID: ' . $attach_id . "\n"; |
| 195 |
$message .= __( 'Title' ) . ': ' . get_the_title( $attach_id ) . "\n"; |
| 196 |
$message .= __( 'Permalink:' ) . ' ' . get_attachment_link( $attach_id ) . "\n"; |
| 197 |
$message .= 'URL: ' . wp_get_attachment_url( $attach_id ) . "\n"; |
| 198 |
$message .= __( 'File name:' ) . ' ' . wp_basename( wp_get_attachment_url( $attach_id ) ) . "\n"; |
| 199 |
if ( ! empty( $metadata['original_image'] ) ) { |
| 200 |
$message .= __( 'Original URL:', 'plus-webp' ) . ' ' . wp_get_original_image_url( $attach_id ) . "\n"; |
| 201 |
$message .= __( 'Original File name:', 'plus-webp' ) . ' ' . wp_basename( wp_get_original_image_url( $attach_id ) ) . "\n"; |
| 202 |
} |
| 203 |
$message .= __( 'Date/Time' ) . ': ' . $stamptime . "\n"; |
| 204 |
if ( ! $file_size ) { |
| 205 |
$file_size = __( 'Could not retrieve.', 'plus-webp' ); |
| 206 |
} else { |
| 207 |
$file_size = size_format( $file_size ); |
| 208 |
} |
| 209 |
$message .= __( 'File size:' ) . ' ' . $file_size . "\n"; |
| 210 |
if ( ! empty( $imagethumburls ) ) { |
| 211 |
foreach ( $imagethumburls as $thumbsize => $imagethumburl ) { |
| 212 |
$message .= $thumbsize . ': ' . $imagethumburl . "\n"; |
| 213 |
} |
| 214 |
} |
| 215 |
$message .= "\n"; |
| 216 |
} |
| 217 |
} else { |
| 218 |
$message .= __( 'WebP was not generated. A file with the same name already exists.', 'plus-webp' ) . "\r\n\r\n"; |
| 219 |
$pluswebp_mail_send['count'] = 0; |
| 220 |
} |
| 221 |
|
| 222 |
update_option( 'pluswebp_generate_mail', $pluswebp_mail_send ); |
| 223 |
|
| 224 |
/* translators: blogname for subject */ |
| 225 |
$subject = sprintf( __( '[%s] WebP generate', 'plus-webp' ), get_option( 'blogname' ) ); |
| 226 |
wp_mail( $to, $subject, $message ); |
| 227 |
|
| 228 |
} |
| 229 |
|
| 230 |
/** ================================================== |
| 231 |
* Output metadata |
| 232 |
* |
| 233 |
* @param int $attach_id attach_id. |
| 234 |
* @param array $metadata metadata. |
| 235 |
* @param string $upload_url upload_url. |
| 236 |
* @return array $imagethumburls(string), $stamptime(string), $file_size(string) |
| 237 |
* @since 1.09 |
| 238 |
*/ |
| 239 |
private function output_metadata( $attach_id, $metadata, $upload_url ) { |
| 240 |
|
| 241 |
$imagethumburls = array(); |
| 242 |
$wp_attached_file = get_post_meta( $attach_id, '_wp_attached_file', true ); |
| 243 |
$imagethumburl_base = $upload_url . '/' . rtrim( $wp_attached_file, wp_basename( $wp_attached_file ) ); |
| 244 |
if ( ! empty( $metadata ) ) { |
| 245 |
foreach ( $metadata as $key1 => $key2 ) { |
| 246 |
if ( 'sizes' === $key1 ) { |
| 247 |
foreach ( $metadata[ $key1 ] as $key2 => $key3 ) { |
| 248 |
$imagethumburls[ $key2 ] = $imagethumburl_base . $metadata['sizes'][ $key2 ]['file']; |
| 249 |
} |
| 250 |
} |
| 251 |
} |
| 252 |
} |
| 253 |
|
| 254 |
$stamptime = get_the_time( 'Y-n-j ', $attach_id ) . get_the_time( 'G:i:s', $attach_id ); |
| 255 |
if ( isset( $metadata['filesize'] ) ) { |
| 256 |
$file_size = $metadata['filesize']; |
| 257 |
} else { |
| 258 |
$file_size = @filesize( get_attached_file( $attach_id ) ); |
| 259 |
} |
| 260 |
|
| 261 |
return array( $imagethumburls, $stamptime, $file_size ); |
| 262 |
|
| 263 |
} |
| 264 |
|
| 265 |
/** ================================================== |
| 266 |
* Webp create |
| 267 |
* |
| 268 |
* @param string $filename input filename for pictures. |
| 269 |
* @param string $mime_type mimetype. |
| 270 |
* @param string $filename_webp output filename for webp. |
| 271 |
* @return bool $ret create bool. |
| 272 |
* @since 1.00 |
| 273 |
*/ |
| 274 |
private function create_webp( $filename, $mime_type, $filename_webp ) { |
| 275 |
|
| 276 |
if ( ! file_exists( $filename ) ) { |
| 277 |
return false; |
| 278 |
} |
| 279 |
if ( file_exists( $filename_webp ) ) { |
| 280 |
return false; |
| 281 |
} |
| 282 |
|
| 283 |
$pluswebp_settings = get_option( 'pluswebp' ); |
| 284 |
@set_time_limit( 60 ); |
| 285 |
|
| 286 |
$ret = false; |
| 287 |
switch ( $mime_type ) { |
| 288 |
case 'image/jpeg': |
| 289 |
$src = imagecreatefromjpeg( $filename ); |
| 290 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 291 |
imagefill( $img, 0, 0, imagecolorallocate( $img, 255, 255, 255 ) ); |
| 292 |
imagealphablending( $img, true ); |
| 293 |
break; |
| 294 |
case 'image/png': |
| 295 |
$src = imagecreatefrompng( $filename ); |
| 296 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 297 |
imagealphablending( $img, false ); |
| 298 |
imagesavealpha( $img, true ); |
| 299 |
break; |
| 300 |
case 'image/bmp': |
| 301 |
$src = imagecreatefrombmp( $filename ); |
| 302 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 303 |
break; |
| 304 |
case 'image/gif': |
| 305 |
$src = imagecreatefromgif( $filename ); |
| 306 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 307 |
$bgcolor = imagecolorallocatealpha( $img, 0, 0, 0, 127 ); |
| 308 |
imagefill( $img, 0, 0, $bgcolor ); |
| 309 |
imagecolortransparent( $img, $bgcolor ); |
| 310 |
break; |
| 311 |
} |
| 312 |
|
| 313 |
imagecopy( $img, $src, 0, 0, 0, 0, imagesx( $src ), imagesy( $src ) ); |
| 314 |
imagedestroy( $src ); |
| 315 |
$ret = imagewebp( $img, $filename_webp, $pluswebp_settings['quality'] ); |
| 316 |
imagedestroy( $img ); |
| 317 |
|
| 318 |
return $ret; |
| 319 |
|
| 320 |
} |
| 321 |
|
| 322 |
/** ================================================== |
| 323 |
* Change ext |
| 324 |
* |
| 325 |
* @param string $before_file_name before_file_name. |
| 326 |
* @param string $ext ext. |
| 327 |
* @return array $after_file_name after_file_name. |
| 328 |
* @since 1.00 |
| 329 |
*/ |
| 330 |
private function change_ext( $before_file_name, $ext ) { |
| 331 |
|
| 332 |
$exts = explode( '.', $before_file_name ); |
| 333 |
$before_ext = '.' . end( $exts ); |
| 334 |
$after_ext = '.' . $ext; |
| 335 |
$after_file_name = str_replace( $before_ext, $after_ext, $before_file_name ); |
| 336 |
|
| 337 |
return $after_file_name; |
| 338 |
|
| 339 |
} |
| 340 |
|
| 341 |
/** ================================================== |
| 342 |
* Change DB |
| 343 |
* |
| 344 |
* @param string $before_url before_url. |
| 345 |
* @param string $after_url after_url. |
| 346 |
* @since 1.00 |
| 347 |
*/ |
| 348 |
private function change_db( $before_url, $after_url ) { |
| 349 |
|
| 350 |
global $wpdb; |
| 351 |
|
| 352 |
/* Replace */ |
| 353 |
$wpdb->query( |
| 354 |
$wpdb->prepare( |
| 355 |
"UPDATE `$wpdb->posts` SET post_content = replace(post_content, %s, %s)", |
| 356 |
$before_url, |
| 357 |
$after_url |
| 358 |
) |
| 359 |
); |
| 360 |
|
| 361 |
} |
| 362 |
|
| 363 |
/** ================================================== |
| 364 |
* Upload Path |
| 365 |
* |
| 366 |
* @return array $upload_dir,$upload_url,$upload_path uploadpath. |
| 367 |
* @since 1.00 |
| 368 |
*/ |
| 369 |
public function upload_dir_url_path() { |
| 370 |
|
| 371 |
$wp_uploads = wp_upload_dir(); |
| 372 |
|
| 373 |
$relation_path_true = strpos( $wp_uploads['baseurl'], '../' ); |
| 374 |
if ( $relation_path_true > 0 ) { |
| 375 |
$relationalpath = substr( $wp_uploads['baseurl'], $relation_path_true ); |
| 376 |
$basepath = substr( $wp_uploads['baseurl'], 0, $relation_path_true ); |
| 377 |
$upload_url = $this->realurl( $basepath, $relationalpath ); |
| 378 |
$upload_dir = wp_normalize_path( realpath( $wp_uploads['basedir'] ) ); |
| 379 |
} else { |
| 380 |
$upload_url = $wp_uploads['baseurl']; |
| 381 |
$upload_dir = wp_normalize_path( $wp_uploads['basedir'] ); |
| 382 |
} |
| 383 |
|
| 384 |
if ( is_ssl() ) { |
| 385 |
$upload_url = str_replace( 'http:', 'https:', $upload_url ); |
| 386 |
} |
| 387 |
|
| 388 |
if ( $relation_path_true > 0 ) { |
| 389 |
$upload_path = $relationalpath; |
| 390 |
} else { |
| 391 |
$upload_path = str_replace( site_url( '/' ), '', $upload_url ); |
| 392 |
} |
| 393 |
|
| 394 |
$upload_dir = untrailingslashit( $upload_dir ); |
| 395 |
$upload_url = untrailingslashit( $upload_url ); |
| 396 |
$upload_path = untrailingslashit( $upload_path ); |
| 397 |
|
| 398 |
return array( $upload_dir, $upload_url, $upload_path ); |
| 399 |
|
| 400 |
} |
| 401 |
|
| 402 |
/** ================================================== |
| 403 |
* Real Url |
| 404 |
* |
| 405 |
* @param string $base base. |
| 406 |
* @param string $relationalpath relationalpath. |
| 407 |
* @return string $realurl realurl. |
| 408 |
* @since 1.00 |
| 409 |
*/ |
| 410 |
private function realurl( $base, $relationalpath ) { |
| 411 |
|
| 412 |
$parse = array( |
| 413 |
'scheme' => null, |
| 414 |
'user' => null, |
| 415 |
'pass' => null, |
| 416 |
'host' => null, |
| 417 |
'port' => null, |
| 418 |
'query' => null, |
| 419 |
'fragment' => null, |
| 420 |
); |
| 421 |
$parse = wp_parse_url( $base ); |
| 422 |
|
| 423 |
if ( strpos( $parse['path'], '/', ( strlen( $parse['path'] ) - 1 ) ) !== false ) { |
| 424 |
$parse['path'] .= '.'; |
| 425 |
} |
| 426 |
|
| 427 |
if ( preg_match( '#^https?://#', $relationalpath ) ) { |
| 428 |
return $relationalpath; |
| 429 |
} elseif ( preg_match( '#^/.*$#', $relationalpath ) ) { |
| 430 |
return $parse['scheme'] . '://' . $parse['host'] . $relationalpath; |
| 431 |
} else { |
| 432 |
$base_path = explode( '/', dirname( $parse['path'] ) ); |
| 433 |
$rel_path = explode( '/', $relationalpath ); |
| 434 |
foreach ( $rel_path as $rel_dir_name ) { |
| 435 |
if ( '.' === $rel_dir_name ) { |
| 436 |
array_shift( $base_path ); |
| 437 |
array_unshift( $base_path, '' ); |
| 438 |
} elseif ( '..' === $rel_dir_name ) { |
| 439 |
array_pop( $base_path ); |
| 440 |
if ( count( $base_path ) === 0 ) { |
| 441 |
$base_path = array( '' ); |
| 442 |
} |
| 443 |
} else { |
| 444 |
array_push( $base_path, $rel_dir_name ); |
| 445 |
} |
| 446 |
} |
| 447 |
$path = implode( '/', $base_path ); |
| 448 |
return $parse['scheme'] . '://' . $parse['host'] . $path; |
| 449 |
} |
| 450 |
|
| 451 |
} |
| 452 |
|
| 453 |
} |
| 454 |
|
| 455 |
|
| 456 |
|