| 1 |
<?php |
| 2 |
/** |
| 3 |
* HEIC Support |
| 4 |
* |
| 5 |
* @package HEIC_Support |
| 6 |
*/ |
| 7 |
|
| 8 |
defined( 'ABSPATH' ) || exit; |
| 9 |
|
| 10 |
/** |
| 11 |
* Plugin Name: HEIC Support |
| 12 |
* Description: Allows .heic uploads to the Media Library. Creates a .webp copy of .heic images when they are uploaded. |
| 13 |
* Author: Breakfast Co. |
| 14 |
* Author URI: https://breakfastco.xyz/ |
| 15 |
* Version: 1.0.1 |
| 16 |
* Text-domain: heic-support |
| 17 |
* License: GPLv2 |
| 18 |
*/ |
| 19 |
|
| 20 |
if ( ! class_exists( 'Heic_Support_Plugin' ) ) { |
| 21 |
/** |
| 22 |
* Heic_Support_Plugin |
| 23 |
*/ |
| 24 |
class Heic_Support_Plugin { |
| 25 |
/** |
| 26 |
* Adds filter and action hooks that power this plugin. |
| 27 |
* |
| 28 |
* @return void |
| 29 |
*/ |
| 30 |
public function add_hooks() { |
| 31 |
// Allow .heic files to be uploaded into the Media Library. |
| 32 |
add_filter( 'upload_mimes', array( $this, 'add_mimes' ), 10, 2 ); |
| 33 |
|
| 34 |
// Creates a copy of .heic images uploaded to the Media Library. |
| 35 |
add_action( 'add_attachment', array( $this, 'create_copy' ), 12, 1 ); |
| 36 |
|
| 37 |
// Replace heic uploads without preserving the heic. |
| 38 |
add_filter( 'wp_handle_upload_prefilter', array( $this, 'replace' ), 10, 1 ); |
| 39 |
|
| 40 |
// Populates width, height, and other attributes in meta key _wp_attachment_metadata. |
| 41 |
add_filter( 'wp_generate_attachment_metadata', array( $this, 'populate_meta' ), 10, 3 ); |
| 42 |
|
| 43 |
// Adds settings to the dashboard at Settings → Media. |
| 44 |
add_action( 'admin_init', array( $this, 'add_settings' ) ); |
| 45 |
|
| 46 |
// Adds a link to the plugins list that helps users find Settings → Media. |
| 47 |
add_filter( 'plugin_action_links_heic-support/heic-support.php', array( $this, 'add_settings_link' ) ); |
| 48 |
|
| 49 |
// Deletes the test image when the plugin is uninstalled. |
| 50 |
register_uninstall_hook( __FILE__, array( __CLASS__, 'uninstall' ) ); |
| 51 |
} |
| 52 |
|
| 53 |
/** |
| 54 |
* Allow .heic files to be uploaded into the Media Library. |
| 55 |
* |
| 56 |
* @param array $mimes Array of allowed mime types. |
| 57 |
* @param int|WP_User|null $user The current user. |
| 58 |
* @return array |
| 59 |
*/ |
| 60 |
public function add_mimes( $mimes, $user ) { |
| 61 |
if ( empty( $mimes['heic'] ) ) { |
| 62 |
$mimes['heic'] = 'image/heic'; |
| 63 |
} |
| 64 |
return $mimes; |
| 65 |
} |
| 66 |
|
| 67 |
/** |
| 68 |
* Adds settings to the dashboard at Settings → Media. |
| 69 |
* |
| 70 |
* @return void |
| 71 |
*/ |
| 72 |
public function add_settings() { |
| 73 |
register_setting( |
| 74 |
'media', |
| 75 |
'heic_support_replace', |
| 76 |
array( |
| 77 |
'type' => 'boolean', |
| 78 |
'description' => __( 'Replace .heic images uploaded to the Media Library instead of creating copies.', 'heic-support' ), |
| 79 |
'sanitize_callback' => 'rest_sanitize_boolean', |
| 80 |
'show_in_rest' => true, |
| 81 |
) |
| 82 |
); |
| 83 |
|
| 84 |
// Do not show options if the plugin is not going to work. |
| 85 |
if ( ! class_exists( 'Imagick' ) ) { |
| 86 |
return; |
| 87 |
} |
| 88 |
|
| 89 |
$section = 'heic_support_section'; |
| 90 |
add_settings_section( |
| 91 |
$section, |
| 92 |
__( 'HEIC Support', 'heic-support' ), |
| 93 |
array( $this, 'callback_section' ), |
| 94 |
'media' |
| 95 |
); |
| 96 |
|
| 97 |
// Replace setting. |
| 98 |
add_settings_field( |
| 99 |
'replace', |
| 100 |
__( 'Replace', 'heic-support' ), |
| 101 |
array( $this, 'callback_replace_setting' ), |
| 102 |
'media', |
| 103 |
$section |
| 104 |
); |
| 105 |
|
| 106 |
// ImageMagick setting. |
| 107 |
add_settings_field( |
| 108 |
'imagemagick', |
| 109 |
__( 'ImageMagick', 'heic-support' ), |
| 110 |
array( $this, 'callback_imagemagick_setting' ), |
| 111 |
'media', |
| 112 |
$section |
| 113 |
); |
| 114 |
|
| 115 |
// Test setting. |
| 116 |
add_settings_field( |
| 117 |
'test', |
| 118 |
__( 'Test', 'heic-support' ), |
| 119 |
array( $this, 'callback_test_setting' ), |
| 120 |
'media', |
| 121 |
$section |
| 122 |
); |
| 123 |
} |
| 124 |
|
| 125 |
/** |
| 126 |
* add_settings_link |
| 127 |
* |
| 128 |
* @param array $links |
| 129 |
* @return array |
| 130 |
*/ |
| 131 |
public function add_settings_link( $links ) { |
| 132 |
$links[] = '<a href="' . admin_url( 'options-media.php' ) . '">' . __( 'Settings', 'heic-support' ) . '</a>'; |
| 133 |
return $links; |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* callback_imagemagick_setting |
| 138 |
* |
| 139 |
* @return void |
| 140 |
*/ |
| 141 |
public function callback_imagemagick_setting() { |
| 142 |
echo esc_html( $this->imagemagick_version() ); |
| 143 |
} |
| 144 |
|
| 145 |
/** |
| 146 |
* Outputs HTML that renders the Replace ID settings checkbox. |
| 147 |
* |
| 148 |
* @return void |
| 149 |
*/ |
| 150 |
public function callback_replace_setting() { |
| 151 |
$value = get_option( 'heic_support_replace' ); |
| 152 |
printf( |
| 153 |
'<input type="checkbox" id="heic_support_replace" name="heic_support_replace" %s/> <label for="heic_support_replace">%s</label><p class="description">%s</p>', |
| 154 |
checked( $value, '1', false ), |
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esc_html__( 'Replace .heic images uploaded to the Media Library instead of creating copies.', 'heic-support' ), |
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esc_html__( 'Does not preserve the original .heic files.', 'heic-support' ) |
| 157 |
); |
| 158 |
} |
| 159 |
|
| 160 |
public function callback_test_setting() { |
| 161 |
if ( ! class_exists( 'Imagick' ) ) { |
| 162 |
esc_html_e( 'ImageMagick is not installed on this server. This plugin only works on servers running ImageMagick. Some hosts require a switch be flipped before the program is available to a site.', 'heic-support' ); |
| 163 |
} else { |
| 164 |
$imagick = new Imagick(); |
| 165 |
try { |
| 166 |
if ( $imagick->readImage( dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'image4.heic' ) ) { |
| 167 |
$ext = apply_filters( 'heic_support_extension', 'webp' ); |
| 168 |
$imagick->setImageFormat( $ext ); |
| 169 |
|
| 170 |
// Create a copy of the image. |
| 171 |
$path = self::test_file_path(); |
| 172 |
$imagick->writeImage( $path ); |
| 173 |
$upload_dir = wp_upload_dir(); |
| 174 |
$name = basename( $path ); |
| 175 |
printf( |
| 176 |
'<figure><img src="%s" width="%d" /><figcaption>%s .%s.</figcaption></figure>', |
| 177 |
esc_attr( $upload_dir['url'] . '/' . $name ), |
| 178 |
esc_attr( get_option( 'medium_size_w' ) ), |
| 179 |
esc_html__( 'This plugin can convert .heic images. If you do not see an image, your browser may not support', 'heic-support' ), |
| 180 |
esc_html( $ext ) |
| 181 |
); |
| 182 |
} |
| 183 |
} catch ( ImagickException $ie ) { |
| 184 |
// "Fatal error: Uncaught ImagickException: no decode delegate for this image format `HEIC'". |
| 185 |
$msg = 'no decode delegate for this image format `HEIC\''; |
| 186 |
if ( false !== strpos( $ie->getMessage(), $msg ) ) { |
| 187 |
esc_html_e( 'ImageMagick is installed, but does not support HEIC. The version might be too old, or perhaps your server is missing libheif. Installed version is ', 'heic-support' ); |
| 188 |
echo esc_html( $this->imagemagick_version() ); |
| 189 |
echo '</p>'; |
| 190 |
} |
| 191 |
} |
| 192 |
} |
| 193 |
} |
| 194 |
|
| 195 |
/** |
| 196 |
* callback_section |
| 197 |
* |
| 198 |
* @return void |
| 199 |
*/ |
| 200 |
public function callback_section() { |
| 201 |
esc_html_e( 'Control how .heic images are handled during uploads.', 'heic-support' ); |
| 202 |
} |
| 203 |
|
| 204 |
/** |
| 205 |
* check_for_attachment_metadata |
| 206 |
* |
| 207 |
* @param array $data |
| 208 |
* @param int $post_id |
| 209 |
* @return array |
| 210 |
*/ |
| 211 |
public function check_for_attachment_metadata( $data, $post_id ) { |
| 212 |
$transient_guid = get_transient( 'heic_support_guid_' . $post_id ); |
| 213 |
if ( ! empty( $transient_guid ) ) { |
| 214 |
global $wpdb; |
| 215 |
$wpdb->update( $wpdb->posts, array( 'guid' => $transient_guid ), array( 'ID' => $post_id ), array( '%s' ), array( '%d' ) ); |
| 216 |
delete_transient( 'heic_support_guid_' . $post_id ); |
| 217 |
} |
| 218 |
$transient = get_transient( 'heic_support_metadata_' . $post_id ); |
| 219 |
if ( empty( $transient ) ) { |
| 220 |
return $data; |
| 221 |
} |
| 222 |
delete_transient( 'heic_support_metadata_' . $post_id ); |
| 223 |
return $transient; |
| 224 |
} |
| 225 |
|
| 226 |
/** |
| 227 |
* Filter callback on add_attachment. Creates a copy of .heic images |
| 228 |
* uploaded to the Media Library. |
| 229 |
* |
| 230 |
* @param int $post_id The ID of a new attachment. |
| 231 |
* @return void |
| 232 |
*/ |
| 233 |
public function create_copy( $post_id ) { |
| 234 |
// Is the Replace feature enabled? If so, abort the copy. |
| 235 |
$replace = filter_var( get_option( 'heic_support_replace' ), FILTER_VALIDATE_BOOLEAN ); |
| 236 |
if ( $replace ) { |
| 237 |
// Yes. Replace is enabled. Abort. |
| 238 |
return; |
| 239 |
} |
| 240 |
|
| 241 |
// Is ImageMagick running? |
| 242 |
if ( ! class_exists( 'Imagick' ) ) { |
| 243 |
// No. |
| 244 |
return; |
| 245 |
} |
| 246 |
$file_path = get_attached_file( $post_id ); |
| 247 |
if ( false === $file_path ) { |
| 248 |
return; |
| 249 |
} |
| 250 |
// Is the attachment an heic? |
| 251 |
if ( 'heic' !== pathinfo( $file_path, PATHINFO_EXTENSION ) ) { |
| 252 |
// No. |
| 253 |
return; |
| 254 |
} |
| 255 |
$imagick = new Imagick(); |
| 256 |
try { |
| 257 |
if ( $imagick->readImage( $file_path ) ) { |
| 258 |
$ext = apply_filters( 'heic_support_extension', 'webp' ); |
| 259 |
$imagick->setImageFormat( $ext ); |
| 260 |
// Create a path to a copy of the image. |
| 261 |
$name = basename( $file_path, '.heic' ) . '.' . $ext; |
| 262 |
$upload_dir = wp_upload_dir(); |
| 263 |
$imagick->writeImage( $upload_dir['path'] . DIRECTORY_SEPARATOR . $name ); |
| 264 |
|
| 265 |
/** |
| 266 |
* The Media Library loads these files, but not the Editor. |
| 267 |
* |
| 268 |
* @link https://developer.wordpress.org/reference/functions/media_sideload_image/#more-information |
| 269 |
*/ |
| 270 |
if ( ! function_exists( 'media_sideload_image' ) ) { |
| 271 |
require_once ABSPATH . 'wp-admin/includes/media.php'; |
| 272 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 273 |
require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 274 |
} |
| 275 |
$copy_post_id = media_sideload_image( $upload_dir['url'] . '/' . $name, 0 /* post_parent */, get_the_title( $post_id ), 'id' ); |
| 276 |
if ( ! is_wp_error( $copy_post_id ) ) { |
| 277 |
update_post_meta( $copy_post_id, '_heic_support_copy_of', $post_id ); |
| 278 |
update_post_meta( $post_id, '_heic_support_copy_of', $copy_post_id ); |
| 279 |
} |
| 280 |
} |
| 281 |
} catch ( ImagickException $ie ) { |
| 282 |
// "Fatal error: Uncaught ImagickException: no decode delegate for this image format `HEIC'". |
| 283 |
// The version of Imagick does not support heic |
| 284 |
return; |
| 285 |
} |
| 286 |
} |
| 287 |
|
| 288 |
/** |
| 289 |
* Returns the ImageMagick version string. |
| 290 |
* |
| 291 |
* @return string |
| 292 |
*/ |
| 293 |
protected function imagemagick_version() { |
| 294 |
if ( ! class_exists( 'Imagick' ) ) { |
| 295 |
return ''; |
| 296 |
} |
| 297 |
return Imagick::getVersion()['versionString']; |
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* When .heic files are added to the Media Library, populate their width, |
| 302 |
* height, and other attributes that live in meta key _wp_attachment_metadata. |
| 303 |
* |
| 304 |
* @param array $metadata An array of attachment meta data. |
| 305 |
* @param int $attachment_id Current attachment ID. |
| 306 |
* @param string $context Additional context. Can be 'create' when metadata was initially created for new attachment |
| 307 |
* or 'update' when the metadata was updated. |
| 308 |
* @return array |
| 309 |
*/ |
| 310 |
public function populate_meta( $metadata, $attachment_id, $context ) { |
| 311 |
// Is ImageMagick running? |
| 312 |
if ( ! class_exists( 'Imagick' ) ) { |
| 313 |
// No. |
| 314 |
return $metadata; |
| 315 |
} |
| 316 |
$file_path = get_attached_file( $attachment_id ); |
| 317 |
if ( false === $file_path ) { |
| 318 |
return $metadata; |
| 319 |
} |
| 320 |
// Is the attachment an heic? |
| 321 |
if ( 'heic' !== pathinfo( $file_path, PATHINFO_EXTENSION ) ) { |
| 322 |
// No. |
| 323 |
return $metadata; |
| 324 |
} |
| 325 |
// Are the width and height missing? |
| 326 |
if ( false === $metadata ) { |
| 327 |
$metadata = array(); |
| 328 |
} |
| 329 |
if ( ! empty( $metadata['width'] ) && ! empty( $metadata['height'] ) ) { |
| 330 |
// No. |
| 331 |
return $metadata; |
| 332 |
} |
| 333 |
$imagick = new Imagick(); |
| 334 |
try { |
| 335 |
if ( $imagick->readImage( $file_path ) ) { |
| 336 |
$new_values = $imagick->getImageGeometry(); |
| 337 |
$new_values['sizes'] = array(); |
| 338 |
$new_values['file'] = get_post_meta( $attachment_id, '_wp_attached_file', true ); |
| 339 |
$metadata = wp_parse_args( $metadata, $new_values ); |
| 340 |
return $metadata; |
| 341 |
} |
| 342 |
} catch ( ImagickException $ie ) { |
| 343 |
// "Fatal error: Uncaught ImagickException: no decode delegate for this image format `HEIC'". |
| 344 |
// The version of Imagick does not support heic |
| 345 |
return $metadata; |
| 346 |
} |
| 347 |
} |
| 348 |
|
| 349 |
/** |
| 350 |
* replace |
| 351 |
* |
| 352 |
* @param array $file An array of data for a single file. |
| 353 |
* @return array |
| 354 |
*/ |
| 355 |
public function replace( $file ) { |
| 356 |
// Is this image even an heic? |
| 357 |
if ( empty( $file['type'] ) || 'image/heic' !== $file['type'] ) { |
| 358 |
// No. |
| 359 |
return $file; |
| 360 |
} |
| 361 |
|
| 362 |
// Is ImageMagick available? |
| 363 |
if ( ! class_exists( 'Imagick' ) ) { |
| 364 |
// No. |
| 365 |
return $file; |
| 366 |
} |
| 367 |
|
| 368 |
// Is this replace feature enabled? |
| 369 |
$replace = filter_var( get_option( 'heic_support_replace' ), FILTER_VALIDATE_BOOLEAN ); |
| 370 |
if ( ! $replace ) { |
| 371 |
// No. The feature is not enabled. |
| 372 |
return $file; |
| 373 |
} |
| 374 |
|
| 375 |
$imagick = new Imagick(); |
| 376 |
try { |
| 377 |
if ( $imagick->readImage( $file['tmp_name'] ) ) { |
| 378 |
$ext = apply_filters( 'heic_support_extension', 'webp' ); |
| 379 |
$imagick->setImageFormat( $ext ); |
| 380 |
$file['type'] = apply_filters( 'heic_support_mime', 'image/' . $ext ); |
| 381 |
$file['name'] = basename( $file['name'], '.heic' ) . '.' . $ext; |
| 382 |
$imagick->writeImage( $file['tmp_name'] ); |
| 383 |
$file['size'] = wp_filesize( $file['tmp_name'] ); |
| 384 |
} |
| 385 |
} catch ( ImagickException $ie ) { |
| 386 |
// "Fatal error: Uncaught ImagickException: no decode delegate for this image format `HEIC'". |
| 387 |
// The version of Imagick does not support heic |
| 388 |
return $file; |
| 389 |
} |
| 390 |
|
| 391 |
return $file; |
| 392 |
} |
| 393 |
|
| 394 |
/** |
| 395 |
* Returns a file path to the copy of the test image. |
| 396 |
* |
| 397 |
* @return string |
| 398 |
*/ |
| 399 |
protected static function test_file_path() { |
| 400 |
$upload_dir = wp_upload_dir(); |
| 401 |
return $upload_dir['path'] . DIRECTORY_SEPARATOR |
| 402 |
. 'heic-support-image4.' . apply_filters( 'heic_support_extension', 'webp' ); |
| 403 |
} |
| 404 |
|
| 405 |
/** |
| 406 |
* Deletes the test image when the plugin is uninstalled. |
| 407 |
* |
| 408 |
* @return void |
| 409 |
*/ |
| 410 |
public static function uninstall() { |
| 411 |
if ( ! is_multisite() ) { |
| 412 |
$path = self::test_file_path(); |
| 413 |
if ( file_exists( $path ) ) { |
| 414 |
unlink( $path ); |
| 415 |
} |
| 416 |
} else { |
| 417 |
$sites = get_sites( |
| 418 |
array( |
| 419 |
'network' => 1, |
| 420 |
'limit' => 1000, |
| 421 |
) |
| 422 |
); |
| 423 |
foreach ( $sites as $site ) { |
| 424 |
switch_to_blog( $site->blog_id ); |
| 425 |
|
| 426 |
$path = self::test_file_path(); |
| 427 |
if ( file_exists( $path ) ) { |
| 428 |
unlink( $path ); |
| 429 |
} |
| 430 |
|
| 431 |
restore_current_blog(); |
| 432 |
} |
| 433 |
} |
| 434 |
} |
| 435 |
} |
| 436 |
} |
| 437 |
$heic_support_plugin = new Heic_Support_Plugin(); |
| 438 |
$heic_support_plugin->add_hooks(); |
| 439 |
|
