| 1 |
<?php |
| 2 |
/** |
| 3 |
* Display widgets and sidebars on post and term editors screens. |
| 4 |
* |
| 5 |
* @package sharing-image |
| 6 |
* @author Anton Lukin |
| 7 |
*/ |
| 8 |
|
| 9 |
namespace Sharing_Image; |
| 10 |
|
| 11 |
use WP_Error; |
| 12 |
use Exception; |
| 13 |
|
| 14 |
if ( ! defined( 'ABSPATH' ) ) { |
| 15 |
die; |
| 16 |
} |
| 17 |
|
| 18 |
/** |
| 19 |
* Widget class. |
| 20 |
* |
| 21 |
* @class Widget |
| 22 |
*/ |
| 23 |
class Widget { |
| 24 |
/** |
| 25 |
* Post meta key to store poster image. |
| 26 |
* |
| 27 |
* @var string |
| 28 |
*/ |
| 29 |
const META_SOURCE = '_sharing_image'; |
| 30 |
|
| 31 |
/** |
| 32 |
* Post meta key to store poster image fielset. |
| 33 |
* |
| 34 |
* @var string |
| 35 |
*/ |
| 36 |
const META_FIELDSET = '_sharing_image_fieldset'; |
| 37 |
|
| 38 |
/** |
| 39 |
* Common nonce for settings tabs. |
| 40 |
* |
| 41 |
* @var string |
| 42 |
*/ |
| 43 |
const WIDGET_NONCE = 'sharing-image-widget'; |
| 44 |
|
| 45 |
/** |
| 46 |
* Init class actions and filters. |
| 47 |
*/ |
| 48 |
public static function init() { |
| 49 |
add_action( 'init', array( __CLASS__, 'init_post_widget' ) ); |
| 50 |
add_action( 'init', array( __CLASS__, 'init_post_sidebar' ) ); |
| 51 |
add_action( 'init', array( __CLASS__, 'init_taxonomy_widget' ) ); |
| 52 |
|
| 53 |
// Generate poster handlers. |
| 54 |
add_action( 'wp_ajax_sharing_image_generate', array( __CLASS__, 'handle_ajax_generator' ) ); |
| 55 |
add_action( 'rest_api_init', array( __CLASS__, 'add_generate_endpoint' ) ); |
| 56 |
|
| 57 |
// Try to autogenerate poster if it is needed. |
| 58 |
add_action( 'wp_after_insert_post', array( __CLASS__, 'prepare_autogenerated_poster' ), 20, 2 ); |
| 59 |
} |
| 60 |
|
| 61 |
/** |
| 62 |
* Init post sidebar for gutenberg enabled dashboard. |
| 63 |
*/ |
| 64 |
public static function init_post_sidebar() { |
| 65 |
if ( Config::is_hidden_post_widget() ) { |
| 66 |
return; |
| 67 |
} |
| 68 |
|
| 69 |
$schema = array( |
| 70 |
'type' => 'object', |
| 71 |
'properties' => array( |
| 72 |
'poster' => array( |
| 73 |
'type' => 'string', |
| 74 |
), |
| 75 |
'width' => array( |
| 76 |
'type' => 'integer', |
| 77 |
), |
| 78 |
'height' => array( |
| 79 |
'type' => 'integer', |
| 80 |
), |
| 81 |
'template' => array( |
| 82 |
'type' => 'string', |
| 83 |
), |
| 84 |
'mode' => array( |
| 85 |
'type' => 'string', |
| 86 |
), |
| 87 |
), |
| 88 |
); |
| 89 |
|
| 90 |
register_meta( |
| 91 |
'post', |
| 92 |
self::META_SOURCE, |
| 93 |
array( |
| 94 |
'type' => 'object', |
| 95 |
'show_in_rest' => array( |
| 96 |
'schema' => $schema, |
| 97 |
), |
| 98 |
'single' => true, |
| 99 |
'auth_callback' => function ( $allowed, $meta_key, $object_id ) { |
| 100 |
return current_user_can( 'edit_post', $object_id ); |
| 101 |
}, |
| 102 |
'sanitize_callback' => array( __CLASS__, 'sanitize_source' ), |
| 103 |
) |
| 104 |
); |
| 105 |
|
| 106 |
register_meta( |
| 107 |
'post', |
| 108 |
self::META_FIELDSET, |
| 109 |
array( |
| 110 |
'type' => 'object', |
| 111 |
'show_in_rest' => array( |
| 112 |
'schema' => array( |
| 113 |
'type' => 'object', |
| 114 |
'properties' => array(), |
| 115 |
'additionalProperties' => array( |
| 116 |
'type' => array( 'string', 'integer' ), |
| 117 |
), |
| 118 |
), |
| 119 |
), |
| 120 |
'single' => true, |
| 121 |
'auth_callback' => function ( $allowed, $meta_key, $object_id ) { |
| 122 |
return current_user_can( 'edit_post', $object_id ); |
| 123 |
}, |
| 124 |
'sanitize_callback' => array( __CLASS__, 'sanitize_fieldset' ), |
| 125 |
) |
| 126 |
); |
| 127 |
|
| 128 |
// Add required assets and objects. |
| 129 |
add_action( 'enqueue_block_editor_assets', array( __CLASS__, 'enqueue_sidebar_assets' ) ); |
| 130 |
} |
| 131 |
|
| 132 |
/** |
| 133 |
* Init widget on post editing page. |
| 134 |
*/ |
| 135 |
public static function init_post_widget() { |
| 136 |
if ( Config::is_hidden_post_widget() ) { |
| 137 |
return; |
| 138 |
} |
| 139 |
|
| 140 |
add_action( 'add_meta_boxes', array( __CLASS__, 'add_metabox' ) ); |
| 141 |
|
| 142 |
// Handle actions on post save. |
| 143 |
add_action( 'save_post', array( __CLASS__, 'save_post_widget' ), 10 ); |
| 144 |
|
| 145 |
// Add required assets and objects. |
| 146 |
add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_metabox_assets' ) ); |
| 147 |
} |
| 148 |
|
| 149 |
/** |
| 150 |
* Init widget on taxonomy term editing page. |
| 151 |
*/ |
| 152 |
public static function init_taxonomy_widget() { |
| 153 |
// Skip if the Premium is not active. |
| 154 |
if ( ! Premium::is_premium_features() ) { |
| 155 |
return; |
| 156 |
} |
| 157 |
|
| 158 |
$taxonomies = self::get_widget_taxonomies(); |
| 159 |
|
| 160 |
foreach ( $taxonomies as $taxonomy ) { |
| 161 |
// Display taxonomy term widget. |
| 162 |
add_action( $taxonomy . '_edit_form', array( __CLASS__, 'display_widget' ), 10, 2 ); |
| 163 |
|
| 164 |
// Save taxonomy term meta. |
| 165 |
add_action( 'edited_' . $taxonomy, array( __CLASS__, 'save_taxonomy_widget' ) ); |
| 166 |
|
| 167 |
// Enqueue term assets. |
| 168 |
add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_taxonomy_assets' ) ); |
| 169 |
} |
| 170 |
} |
| 171 |
|
| 172 |
/** |
| 173 |
* Add metabox to post editing page. |
| 174 |
*/ |
| 175 |
public static function add_metabox() { |
| 176 |
add_meta_box( |
| 177 |
'sharing-image-metabox', |
| 178 |
esc_html__( 'Sharing Image', 'sharing-image' ), |
| 179 |
array( __CLASS__, 'display_widget' ), |
| 180 |
self::get_metabox_post_types(), |
| 181 |
'side', |
| 182 |
'high', |
| 183 |
array( |
| 184 |
'__back_compat_meta_box' => true, |
| 185 |
) |
| 186 |
); |
| 187 |
} |
| 188 |
|
| 189 |
/** |
| 190 |
* Add metabox scripts and styles to admin page. |
| 191 |
* |
| 192 |
* @param string $hook_suffix The current admin page. |
| 193 |
*/ |
| 194 |
public static function enqueue_metabox_assets( $hook_suffix ) { |
| 195 |
if ( ! in_array( $hook_suffix, array( 'post.php', 'post-new.php' ), true ) ) { |
| 196 |
return; |
| 197 |
} |
| 198 |
|
| 199 |
$screen = get_current_screen(); |
| 200 |
|
| 201 |
if ( ! in_array( $screen->post_type, self::get_metabox_post_types(), true ) ) { |
| 202 |
return; |
| 203 |
} |
| 204 |
|
| 205 |
$post = get_post(); |
| 206 |
|
| 207 |
if ( use_block_editor_for_post( $post ) ) { |
| 208 |
return; |
| 209 |
} |
| 210 |
|
| 211 |
// Get post meta for current post ID. |
| 212 |
$data = self::create_script_object( 'post', $post->ID ); |
| 213 |
|
| 214 |
$data['meta'] = array( |
| 215 |
'source' => get_post_meta( $post->ID, self::META_SOURCE, true ), |
| 216 |
'fieldset' => get_post_meta( $post->ID, self::META_FIELDSET, true ), |
| 217 |
); |
| 218 |
|
| 219 |
/** |
| 220 |
* Filter widget script object. |
| 221 |
* |
| 222 |
* @param array $object Array of widget script object. |
| 223 |
*/ |
| 224 |
self::enqueue_widget_scripts( $data ); |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Add widget scripts and styles to admin page. |
| 229 |
* |
| 230 |
* @param string $hook_suffix The current admin page. |
| 231 |
*/ |
| 232 |
public static function enqueue_taxonomy_assets( $hook_suffix ) { |
| 233 |
if ( 'term.php' !== $hook_suffix ) { |
| 234 |
return; |
| 235 |
} |
| 236 |
|
| 237 |
$screen = get_current_screen(); |
| 238 |
|
| 239 |
if ( ! in_array( $screen->taxonomy, self::get_widget_taxonomies(), true ) ) { |
| 240 |
return; |
| 241 |
} |
| 242 |
|
| 243 |
// phpcs:disable WordPress.Security.NonceVerification |
| 244 |
if ( ! isset( $_REQUEST['tag_ID'] ) ) { |
| 245 |
return; |
| 246 |
} |
| 247 |
|
| 248 |
$term_id = absint( $_REQUEST['tag_ID'] ); |
| 249 |
// phpcs:enable WordPress.Security.NonceVerification |
| 250 |
|
| 251 |
$data = self::create_script_object( 'term', $term_id ); |
| 252 |
|
| 253 |
$data['meta'] = array( |
| 254 |
'source' => get_term_meta( $term_id, self::META_SOURCE, true ), |
| 255 |
'fieldset' => get_term_meta( $term_id, self::META_FIELDSET, true ), |
| 256 |
); |
| 257 |
|
| 258 |
/** |
| 259 |
* Filter widget script object. |
| 260 |
* |
| 261 |
* @param array $object Array of widget script object. |
| 262 |
*/ |
| 263 |
self::enqueue_widget_scripts( $data ); |
| 264 |
} |
| 265 |
|
| 266 |
/** |
| 267 |
* Add Gutenberg block scripts and sryles. |
| 268 |
* |
| 269 |
* @since 3.0 |
| 270 |
*/ |
| 271 |
public static function enqueue_sidebar_assets() { |
| 272 |
if ( ! is_admin() ) { |
| 273 |
return; |
| 274 |
} |
| 275 |
|
| 276 |
$screen = get_current_screen(); |
| 277 |
|
| 278 |
if ( ! in_array( $screen->post_type, self::get_metabox_post_types(), true ) ) { |
| 279 |
return; |
| 280 |
} |
| 281 |
|
| 282 |
$asset = require SHARING_IMAGE_DIR . 'assets/sidebar/index.asset.php'; |
| 283 |
|
| 284 |
wp_enqueue_script( |
| 285 |
'sharing-image-sidebar', |
| 286 |
plugins_url( 'assets/sidebar/index.js', SHARING_IMAGE_FILE ), |
| 287 |
$asset['dependencies'], |
| 288 |
$asset['version'], |
| 289 |
true |
| 290 |
); |
| 291 |
|
| 292 |
wp_enqueue_style( |
| 293 |
'sharing-image-sidebar', |
| 294 |
plugins_url( 'assets/sidebar/index.css', SHARING_IMAGE_FILE ), |
| 295 |
null, |
| 296 |
$asset['version'], |
| 297 |
'all' |
| 298 |
); |
| 299 |
|
| 300 |
// Translations availible only for WP 5.0+. |
| 301 |
wp_set_script_translations( 'sharing-image-sidebar', 'sharing-image' ); |
| 302 |
|
| 303 |
$data = array( |
| 304 |
'meta' => array( |
| 305 |
'source' => self::META_SOURCE, |
| 306 |
'fieldset' => self::META_FIELDSET, |
| 307 |
), |
| 308 |
'autogenerate' => Config::get_autogenerate_index(), |
| 309 |
'templates' => Templates::get_templates(), |
| 310 |
); |
| 311 |
|
| 312 |
// Add widget script object. |
| 313 |
wp_localize_script( 'sharing-image-sidebar', 'sharingImageSidebar', $data ); |
| 314 |
} |
| 315 |
|
| 316 |
/** |
| 317 |
* Save metabox data. |
| 318 |
* |
| 319 |
* @param int $post_id Post ID. |
| 320 |
*/ |
| 321 |
public static function save_post_widget( $post_id ) { |
| 322 |
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
| 323 |
return; |
| 324 |
} |
| 325 |
|
| 326 |
if ( wp_is_post_revision( $post_id ) ) { |
| 327 |
return; |
| 328 |
} |
| 329 |
|
| 330 |
if ( ! current_user_can( 'edit_post', $post_id ) ) { |
| 331 |
return; |
| 332 |
} |
| 333 |
|
| 334 |
if ( ! isset( $_POST['sharing_image_nonce'] ) ) { |
| 335 |
return; |
| 336 |
} |
| 337 |
|
| 338 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 339 |
if ( ! wp_verify_nonce( $_POST['sharing_image_nonce'], self::WIDGET_NONCE ) ) { |
| 340 |
return; |
| 341 |
} |
| 342 |
|
| 343 |
if ( isset( $_POST[ self::META_SOURCE ] ) ) { |
| 344 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 345 |
$meta = self::sanitize_source( wp_unslash( $_POST[ self::META_SOURCE ] ) ); |
| 346 |
|
| 347 |
update_post_meta( $post_id, self::META_SOURCE, $meta ); |
| 348 |
} |
| 349 |
|
| 350 |
if ( isset( $_POST[ self::META_FIELDSET ] ) ) { |
| 351 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 352 |
$meta = self::sanitize_fieldset( wp_unslash( $_POST[ self::META_FIELDSET ] ) ); |
| 353 |
|
| 354 |
update_post_meta( $post_id, self::META_FIELDSET, $meta ); |
| 355 |
} |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Save taxonomy fields. |
| 360 |
* |
| 361 |
* @param int $term_id Term ID. |
| 362 |
*/ |
| 363 |
public static function save_taxonomy_widget( $term_id ) { |
| 364 |
if ( ! current_user_can( 'edit_term', $term_id ) ) { |
| 365 |
return; |
| 366 |
} |
| 367 |
|
| 368 |
if ( ! isset( $_POST['sharing_image_nonce'] ) ) { |
| 369 |
return; |
| 370 |
} |
| 371 |
|
| 372 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 373 |
if ( ! wp_verify_nonce( $_POST['sharing_image_nonce'], self::WIDGET_NONCE ) ) { |
| 374 |
return; |
| 375 |
} |
| 376 |
|
| 377 |
if ( isset( $_POST[ self::META_SOURCE ] ) ) { |
| 378 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 379 |
$meta = self::sanitize_source( wp_unslash( $_POST[ self::META_SOURCE ] ) ); |
| 380 |
|
| 381 |
update_term_meta( $term_id, self::META_SOURCE, $meta ); |
| 382 |
} |
| 383 |
|
| 384 |
if ( isset( $_POST[ self::META_FIELDSET ] ) ) { |
| 385 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 386 |
$meta = self::sanitize_fieldset( wp_unslash( $_POST[ self::META_FIELDSET ] ) ); |
| 387 |
|
| 388 |
update_term_meta( $term_id, self::META_FIELDSET, $meta ); |
| 389 |
} |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Display widget. |
| 394 |
*/ |
| 395 |
public static function display_widget() { |
| 396 |
include_once SHARING_IMAGE_DIR . 'templates/widget.php'; |
| 397 |
|
| 398 |
/** |
| 399 |
* Fires on widget template including. |
| 400 |
*/ |
| 401 |
do_action( 'sharing_image_widget' ); |
| 402 |
} |
| 403 |
|
| 404 |
/** |
| 405 |
* Create new endpoint for generate button in Gutenberg sidebar. |
| 406 |
*/ |
| 407 |
public static function add_generate_endpoint() { |
| 408 |
register_rest_route( |
| 409 |
'sharing-image/v1', |
| 410 |
'/poster/(?P<id>\d+)', |
| 411 |
array( |
| 412 |
'methods' => 'POST', |
| 413 |
'callback' => array( __CLASS__, 'handle_rest_generator' ), |
| 414 |
'permission_callback' => function ( $request ) { |
| 415 |
return current_user_can( 'edit_post', absint( $request['id'] ) ); |
| 416 |
}, |
| 417 |
) |
| 418 |
); |
| 419 |
} |
| 420 |
|
| 421 |
/** |
| 422 |
* Sanitize widget source meta. |
| 423 |
* |
| 424 |
* @param array $source Source meta data. |
| 425 |
* |
| 426 |
* @return array Sanitized source meta fields. |
| 427 |
*/ |
| 428 |
public static function sanitize_source( $source ) { |
| 429 |
$sanitized = array(); |
| 430 |
|
| 431 |
if ( isset( $source['poster'] ) ) { |
| 432 |
$sanitized['poster'] = sanitize_text_field( $source['poster'] ); |
| 433 |
} |
| 434 |
|
| 435 |
if ( ! empty( $source['width'] ) ) { |
| 436 |
$sanitized['width'] = absint( $source['width'] ); |
| 437 |
} |
| 438 |
|
| 439 |
if ( ! empty( $source['height'] ) ) { |
| 440 |
$sanitized['height'] = absint( $source['height'] ); |
| 441 |
} |
| 442 |
|
| 443 |
if ( ! empty( $source['template'] ) ) { |
| 444 |
$sanitized['template'] = sanitize_key( $source['template'] ); |
| 445 |
} |
| 446 |
|
| 447 |
if ( ! empty( $source['mode'] ) ) { |
| 448 |
$sanitized['mode'] = sanitize_text_field( $source['mode'] ); |
| 449 |
} |
| 450 |
|
| 451 |
/** |
| 452 |
* Filters fieldset meta. |
| 453 |
* |
| 454 |
* @since 3.0 |
| 455 |
* |
| 456 |
* @param array $sanitized List of sanitized fields. |
| 457 |
* @param array $source List of fields before sanitization. |
| 458 |
*/ |
| 459 |
return apply_filters( 'sharing_image_sanitize_source', $sanitized, $source ); |
| 460 |
} |
| 461 |
|
| 462 |
/** |
| 463 |
* Sanitize fieldset. |
| 464 |
* |
| 465 |
* @param array $fieldset Fieldset list. |
| 466 |
* |
| 467 |
* @return array Sanitized fieldset data. |
| 468 |
*/ |
| 469 |
public static function sanitize_fieldset( $fieldset ) { |
| 470 |
$sanitized = array(); |
| 471 |
|
| 472 |
// Get list of templates. |
| 473 |
$templates = Templates::get_templates(); |
| 474 |
|
| 475 |
foreach ( $templates as $template ) { |
| 476 |
if ( empty( $template['layers'] ) ) { |
| 477 |
continue; |
| 478 |
} |
| 479 |
|
| 480 |
foreach ( $template['layers'] as $key => $layer ) { |
| 481 |
if ( ! array_key_exists( $key, $fieldset ) ) { |
| 482 |
continue; |
| 483 |
} |
| 484 |
|
| 485 |
if ( 'text' === $layer['type'] ) { |
| 486 |
$sanitized[ $key ] = sanitize_textarea_field( |
| 487 |
Generator::normalize_text( $fieldset[ $key ] ) |
| 488 |
); |
| 489 |
} |
| 490 |
|
| 491 |
if ( 'image' === $layer['type'] ) { |
| 492 |
$attachment_id = absint( $fieldset[ $key ] ); |
| 493 |
|
| 494 |
if ( $attachment_id && self::can_use_image_attachment( $attachment_id ) ) { |
| 495 |
$sanitized[ $key ] = $attachment_id; |
| 496 |
} |
| 497 |
} |
| 498 |
} |
| 499 |
} |
| 500 |
|
| 501 |
/** |
| 502 |
* Filters widget fieldset meta. |
| 503 |
* |
| 504 |
* @since 3.0 |
| 505 |
* |
| 506 |
* @param array $sanitized Sanitized fieldset list. |
| 507 |
* @param array $fieldset Fieldset list before sanitization. |
| 508 |
*/ |
| 509 |
return apply_filters( 'sharing_image_sanitize_fieldset', $sanitized, $fieldset ); |
| 510 |
} |
| 511 |
|
| 512 |
/** |
| 513 |
* Handle generate button in Gutenberg sidebar. |
| 514 |
* |
| 515 |
* @param WP_REST_Request $request Request params. |
| 516 |
*/ |
| 517 |
public static function handle_rest_generator( $request ) { |
| 518 |
$post_id = absint( $request->get_param( 'id' ) ); |
| 519 |
|
| 520 |
if ( empty( $post_id ) ) { |
| 521 |
wp_send_json_error( __( 'Post data is empty.', 'sharing-image' ), 400 ); |
| 522 |
} |
| 523 |
|
| 524 |
if ( ! current_user_can( 'edit_post', $post_id ) ) { |
| 525 |
wp_send_json_error( __( 'Sorry, you are not allowed to edit this post.', 'sharing-image' ), 403 ); |
| 526 |
} |
| 527 |
|
| 528 |
$params = $request->get_json_params(); |
| 529 |
|
| 530 |
if ( ! isset( $params['template'] ) ) { |
| 531 |
wp_send_json_error( __( 'Incorrect request parameters.', 'sharing-image' ), 400 ); |
| 532 |
} |
| 533 |
|
| 534 |
$index = sanitize_key( $params['template'] ); |
| 535 |
|
| 536 |
if ( empty( $params['fieldset'] ) ) { |
| 537 |
$params['fieldset'] = array(); |
| 538 |
} |
| 539 |
|
| 540 |
$fieldset = self::sanitize_fieldset( $params['fieldset'] ); |
| 541 |
|
| 542 |
// Invoke poster generation. |
| 543 |
$result = self::generate_poster( $fieldset, $index, $post_id, 'post' ); |
| 544 |
|
| 545 |
if ( is_wp_error( $result ) ) { |
| 546 |
wp_send_json_error( $result->get_error_messages(), $result->get_error_data() ); |
| 547 |
} |
| 548 |
|
| 549 |
wp_send_json_success( $result ); |
| 550 |
} |
| 551 |
|
| 552 |
/** |
| 553 |
* Handle generate button on Classic Editor and taxonomy widget. |
| 554 |
*/ |
| 555 |
public static function handle_ajax_generator() { |
| 556 |
$check = check_ajax_referer( self::WIDGET_NONCE, 'sharing_image_nonce', false ); |
| 557 |
|
| 558 |
if ( false === $check ) { |
| 559 |
wp_send_json_error( __( 'Invalid security token. Please reload the page and try again.', 'sharing-image' ), 403 ); |
| 560 |
} |
| 561 |
|
| 562 |
if ( empty( $_POST[ self::META_SOURCE ]['template'] ) ) { |
| 563 |
wp_send_json_error( __( 'Template ID cannot be empty.', 'sharing-image' ), 400 ); |
| 564 |
} |
| 565 |
|
| 566 |
$index = sanitize_key( $_POST[ self::META_SOURCE ]['template'] ); |
| 567 |
|
| 568 |
$screen_id = 0; |
| 569 |
|
| 570 |
if ( ! empty( $_POST['sharing_image_screen'] ) ) { |
| 571 |
$screen_id = absint( wp_unslash( $_POST['sharing_image_screen'] ) ); |
| 572 |
} |
| 573 |
|
| 574 |
$context = 'post'; |
| 575 |
|
| 576 |
if ( ! empty( $_POST['sharing_image_context'] ) ) { |
| 577 |
$context = sanitize_key( wp_unslash( $_POST['sharing_image_context'] ) ); |
| 578 |
} |
| 579 |
|
| 580 |
$permission_error = self::check_generate_permission( $screen_id, $context ); |
| 581 |
|
| 582 |
if ( is_wp_error( $permission_error ) ) { |
| 583 |
wp_send_json_error( $permission_error->get_error_message(), $permission_error->get_error_data() ); |
| 584 |
} |
| 585 |
|
| 586 |
$fieldset = array(); |
| 587 |
|
| 588 |
if ( ! empty( $_POST[ self::META_FIELDSET ] ) ) { |
| 589 |
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput |
| 590 |
$fieldset = self::sanitize_fieldset( wp_unslash( $_POST[ self::META_FIELDSET ] ) ); |
| 591 |
} |
| 592 |
|
| 593 |
// Invoke poster generation. |
| 594 |
$result = self::generate_poster( $fieldset, $index, $screen_id, $context ); |
| 595 |
|
| 596 |
if ( is_wp_error( $result ) ) { |
| 597 |
wp_send_json_error( $result->get_error_messages(), $result->get_error_data() ); |
| 598 |
} |
| 599 |
|
| 600 |
wp_send_json_success( $result ); |
| 601 |
} |
| 602 |
|
| 603 |
/** |
| 604 |
* Prepare poster for autogeneration on post insert or update. |
| 605 |
* |
| 606 |
* @param int $post_id Updated post_id. |
| 607 |
* @param object $post Updated post object. |
| 608 |
*/ |
| 609 |
public static function prepare_autogenerated_poster( $post_id, $post ) { |
| 610 |
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
| 611 |
return; |
| 612 |
} |
| 613 |
|
| 614 |
if ( wp_is_post_revision( $post_id ) ) { |
| 615 |
return; |
| 616 |
} |
| 617 |
|
| 618 |
if ( ( ! defined( 'DOING_CRON' ) || ! DOING_CRON ) && ! current_user_can( 'edit_post', $post_id ) ) { |
| 619 |
return; |
| 620 |
} |
| 621 |
|
| 622 |
if ( 'trash' === $post->post_status || 'auto-draft' === $post->post_status ) { |
| 623 |
return; |
| 624 |
} |
| 625 |
|
| 626 |
if ( ! in_array( $post->post_type, self::get_metabox_post_types(), true ) ) { |
| 627 |
return; |
| 628 |
} |
| 629 |
|
| 630 |
$meta = get_post_meta( $post_id, self::META_SOURCE, true ); |
| 631 |
|
| 632 |
if ( ! empty( $meta['mode'] ) && 'manual' === $meta['mode'] ) { |
| 633 |
return; |
| 634 |
} |
| 635 |
|
| 636 |
self::autogenerate_poster( $post_id ); |
| 637 |
} |
| 638 |
|
| 639 |
/** |
| 640 |
* Autogenerate poster for post_id and custom index if defined. |
| 641 |
* Use this public method to autogenerate poster manually. |
| 642 |
* |
| 643 |
* @param int $post_id Post ID. |
| 644 |
* @param string|null $index Template index. |
| 645 |
*/ |
| 646 |
public static function autogenerate_poster( $post_id, $index = null ) { |
| 647 |
if ( is_null( $index ) ) { |
| 648 |
$index = Config::get_autogenerate_index(); |
| 649 |
} |
| 650 |
|
| 651 |
if ( ! Templates::has_template( $index ) ) { |
| 652 |
return; |
| 653 |
} |
| 654 |
|
| 655 |
// Compose fieldset by template index. |
| 656 |
$fieldset = self::compose_fields( $index, $post_id ); |
| 657 |
|
| 658 |
/** |
| 659 |
* Filters fieldset before autogeneration. |
| 660 |
* |
| 661 |
* @since 3.0 |
| 662 |
* |
| 663 |
* @param array $fieldset Prepared fieldset data. |
| 664 |
* @param string $index Template index. |
| 665 |
* @param int $post_id Post ID. |
| 666 |
*/ |
| 667 |
$fieldset = apply_filters( 'sharing_image_autogenerated_fieldset', $fieldset, $index, $post_id ); |
| 668 |
|
| 669 |
if ( empty( $fieldset ) ) { |
| 670 |
$fieldset = array(); |
| 671 |
} |
| 672 |
|
| 673 |
// Invoke poster generation. |
| 674 |
$result = self::generate_poster( $fieldset, $index, $post_id, 'post', true ); |
| 675 |
|
| 676 |
if ( is_wp_error( $result ) ) { |
| 677 |
return; |
| 678 |
} |
| 679 |
|
| 680 |
$result['template'] = $index; |
| 681 |
|
| 682 |
/** |
| 683 |
* Filters autogenerated poster data. |
| 684 |
* |
| 685 |
* @since 2.0.11 |
| 686 |
* |
| 687 |
* @param array|WP_Erorr $result Poster image, width and height data or WP_Error if undefined. |
| 688 |
* @param int $post_id Post ID. |
| 689 |
*/ |
| 690 |
$result = apply_filters( 'sharing_image_autogenerated_poster', $result, $post_id ); |
| 691 |
|
| 692 |
update_post_meta( $post_id, self::META_SOURCE, $result ); |
| 693 |
update_post_meta( $post_id, self::META_FIELDSET, $fieldset ); |
| 694 |
} |
| 695 |
|
| 696 |
/** |
| 697 |
* Generate poster. |
| 698 |
* Used in widget, sidebar and for auto-generation. |
| 699 |
* |
| 700 |
* @param array $fieldset Fieldset data from widget. |
| 701 |
* @param int $index Template index from editor. |
| 702 |
* @param int $screen_id Post or term ID from admin screen. |
| 703 |
* @param string $context Screen ID context field. Can be settings, post or term. |
| 704 |
* @param boolean $auto Whether auto-generated poster. |
| 705 |
*/ |
| 706 |
private static function generate_poster( $fieldset, $index, $screen_id, $context, $auto = false ) { |
| 707 |
$templates = Templates::get_templates(); |
| 708 |
|
| 709 |
if ( ! isset( $templates[ $index ] ) ) { |
| 710 |
return new WP_Error( 'generate', esc_html__( 'Incorrect template ID.', 'sharing-image' ), 400 ); |
| 711 |
} |
| 712 |
|
| 713 |
// Prepare template editor. |
| 714 |
$editor = Generator::prepare_template( $templates[ $index ], $fieldset, $index, $screen_id, $context ); |
| 715 |
|
| 716 |
if ( ! Generator::check_required( $editor ) ) { |
| 717 |
return new WP_Error( 'generate', esc_html__( 'Incorrect template settings.', 'sharing-image' ), 400 ); |
| 718 |
} |
| 719 |
|
| 720 |
list( $path, $url ) = Generator::get_upload_file(); |
| 721 |
|
| 722 |
// Generate image and save it to given path. |
| 723 |
$poster = Generator::create_poster( $editor, $path ); |
| 724 |
|
| 725 |
if ( is_wp_error( $poster ) ) { |
| 726 |
return new WP_Error( 'generate', $poster->get_error_message(), 400 ); |
| 727 |
} |
| 728 |
|
| 729 |
$attachment = self::save_attachment( $path, $screen_id, $context ); |
| 730 |
|
| 731 |
if ( is_wp_error( $attachment ) ) { |
| 732 |
return new WP_Error( 'attachment', $attachment->get_error_message(), 400 ); |
| 733 |
} |
| 734 |
|
| 735 |
$source = array( |
| 736 |
'poster' => $url, |
| 737 |
'width' => $editor['width'], |
| 738 |
'height' => $editor['height'], |
| 739 |
'mode' => 'manual', |
| 740 |
); |
| 741 |
|
| 742 |
if ( ! empty( $auto ) ) { |
| 743 |
$source['mode'] = 'auto'; |
| 744 |
} |
| 745 |
|
| 746 |
return $source; |
| 747 |
} |
| 748 |
|
| 749 |
/** |
| 750 |
* Create script object to inject with widget. |
| 751 |
* |
| 752 |
* @param string $context Widget context. For example: metabox or taxonomy. |
| 753 |
* @param int $screen_id Post or taxonomy screen ID. |
| 754 |
* |
| 755 |
* @return array Filtered widget script object. |
| 756 |
*/ |
| 757 |
private static function create_script_object( $context, $screen_id ) { |
| 758 |
$object = array( |
| 759 |
'nonce' => wp_create_nonce( self::WIDGET_NONCE ), |
| 760 |
'context' => $context, |
| 761 |
'screen' => $screen_id, |
| 762 |
|
| 763 |
'name' => array( |
| 764 |
'source' => self::META_SOURCE, |
| 765 |
'fieldset' => self::META_FIELDSET, |
| 766 |
), |
| 767 |
'links' => array( |
| 768 |
'uploads' => esc_url( admin_url( 'upload.php' ) ), |
| 769 |
), |
| 770 |
'templates' => Templates::get_templates(), |
| 771 |
'autogenerate' => Config::get_autogenerate_index(), |
| 772 |
); |
| 773 |
|
| 774 |
/** |
| 775 |
* Filter widget script object. |
| 776 |
* |
| 777 |
* @param array $object Array of widget script object. |
| 778 |
*/ |
| 779 |
return apply_filters( 'sharing_image_widget_object', $object ); |
| 780 |
} |
| 781 |
|
| 782 |
/** |
| 783 |
* Enqueue widget scripts. |
| 784 |
* |
| 785 |
* @param array $data Widget data object. |
| 786 |
*/ |
| 787 |
private static function enqueue_widget_scripts( $data ) { |
| 788 |
$asset = require SHARING_IMAGE_DIR . 'assets/widget/index.asset.php'; |
| 789 |
|
| 790 |
wp_enqueue_media(); |
| 791 |
|
| 792 |
wp_enqueue_script( |
| 793 |
'sharing-image-widget', |
| 794 |
plugins_url( 'assets/widget/index.js', SHARING_IMAGE_FILE ), |
| 795 |
$asset['dependencies'], |
| 796 |
$asset['version'], |
| 797 |
true |
| 798 |
); |
| 799 |
|
| 800 |
wp_enqueue_style( |
| 801 |
'sharing-image-widget', |
| 802 |
plugins_url( 'assets/widget/index.css', SHARING_IMAGE_FILE ), |
| 803 |
$asset['dependencies'], |
| 804 |
$asset['version'], |
| 805 |
'all' |
| 806 |
); |
| 807 |
|
| 808 |
// Translations availible only for WP 5.0+. |
| 809 |
wp_set_script_translations( 'sharing-image-widget', 'sharing-image' ); |
| 810 |
|
| 811 |
// Add widget script object. |
| 812 |
wp_localize_script( 'sharing-image-widget', 'sharingImageWidget', $data ); |
| 813 |
} |
| 814 |
|
| 815 |
/** |
| 816 |
* Get an array of post types where the metabox is displayed. |
| 817 |
* |
| 818 |
* @return array Array of post types. |
| 819 |
*/ |
| 820 |
private static function get_metabox_post_types() { |
| 821 |
$post_types = get_post_types( |
| 822 |
array( |
| 823 |
'public' => true, |
| 824 |
) |
| 825 |
); |
| 826 |
|
| 827 |
unset( $post_types['attachment'] ); |
| 828 |
|
| 829 |
/** |
| 830 |
* Filter widget post types. |
| 831 |
* |
| 832 |
* @param array $post_types Array of post types for which the metabox is displayed. |
| 833 |
*/ |
| 834 |
return apply_filters( 'sharing_image_metabox_post_types', array_values( $post_types ) ); |
| 835 |
} |
| 836 |
|
| 837 |
/** |
| 838 |
* Update template with post data for preset fields. |
| 839 |
* |
| 840 |
* @param string $index Template index. |
| 841 |
* @param int $post_id Post id. |
| 842 |
* @param array $fieldset Optional. Prepared fieldset to modify. |
| 843 |
* |
| 844 |
* @return array List of prepared fields. |
| 845 |
*/ |
| 846 |
private static function compose_fields( $index, $post_id, $fieldset = array() ) { |
| 847 |
$templates = Templates::get_templates(); |
| 848 |
|
| 849 |
if ( ! isset( $templates[ $index ] ) ) { |
| 850 |
return $fieldset; |
| 851 |
} |
| 852 |
|
| 853 |
$template = $templates[ $index ]; |
| 854 |
|
| 855 |
if ( ! isset( $template['layers'] ) ) { |
| 856 |
return $fieldset; |
| 857 |
} |
| 858 |
|
| 859 |
$layers = $template['layers']; |
| 860 |
|
| 861 |
foreach ( $layers as $key => $layer ) { |
| 862 |
$field = null; |
| 863 |
|
| 864 |
if ( empty( $layer['type'] ) ) { |
| 865 |
continue; |
| 866 |
} |
| 867 |
|
| 868 |
if ( 'text' === $layer['type'] ) { |
| 869 |
$field = self::compose_text_presets( $layer, $post_id ); |
| 870 |
} |
| 871 |
|
| 872 |
if ( 'image' === $layer['type'] ) { |
| 873 |
$field = self::compose_image_presets( $layer, $post_id ); |
| 874 |
} |
| 875 |
|
| 876 |
if ( ! empty( $field ) ) { |
| 877 |
$fieldset[ $key ] = $field; |
| 878 |
} |
| 879 |
} |
| 880 |
|
| 881 |
return $fieldset; |
| 882 |
} |
| 883 |
|
| 884 |
/** |
| 885 |
* Compose preset fields for text layers. |
| 886 |
* |
| 887 |
* @param string $layer List of layer options. |
| 888 |
* @param int $post_id Post id. |
| 889 |
* |
| 890 |
* @return array|null List of prepared fieldset for text layer. |
| 891 |
*/ |
| 892 |
private static function compose_text_presets( $layer, $post_id ) { |
| 893 |
if ( empty( $layer['preset'] ) || empty( $layer['dynamic'] ) ) { |
| 894 |
return null; |
| 895 |
} |
| 896 |
|
| 897 |
$separator = ', '; |
| 898 |
|
| 899 |
if ( ! empty( $layer['separator'] ) ) { |
| 900 |
$separator = $layer['separator']; |
| 901 |
} |
| 902 |
|
| 903 |
if ( 'title' === $layer['preset'] ) { |
| 904 |
return get_the_title( $post_id ); |
| 905 |
} |
| 906 |
|
| 907 |
if ( 'excerpt' === $layer['preset'] ) { |
| 908 |
$post = get_post( $post_id ); |
| 909 |
|
| 910 |
return $post->post_excerpt; |
| 911 |
} |
| 912 |
|
| 913 |
if ( 'categories' === $layer['preset'] ) { |
| 914 |
$categories = get_the_category( $post_id ); |
| 915 |
|
| 916 |
if ( $categories ) { |
| 917 |
return implode( $separator, wp_list_pluck( $categories, 'name' ) ); |
| 918 |
} |
| 919 |
} |
| 920 |
|
| 921 |
if ( 'tags' === $layer['preset'] ) { |
| 922 |
$tags = get_the_tags( $post_id ); |
| 923 |
|
| 924 |
if ( $tags ) { |
| 925 |
return implode( $separator, wp_list_pluck( $tags, 'name' ) ); |
| 926 |
} |
| 927 |
} |
| 928 |
|
| 929 |
return null; |
| 930 |
} |
| 931 |
|
| 932 |
/** |
| 933 |
* Compose preset fields for image layers. |
| 934 |
* |
| 935 |
* @param string $layer List of layer options. |
| 936 |
* @param int $post_id Post id. |
| 937 |
* |
| 938 |
* @return array|null List of prepared fieldset for image layer. |
| 939 |
*/ |
| 940 |
private static function compose_image_presets( $layer, $post_id ) { |
| 941 |
if ( empty( $layer['preset'] ) || empty( $layer['dynamic'] ) ) { |
| 942 |
return null; |
| 943 |
} |
| 944 |
|
| 945 |
if ( 'featured' === $layer['preset'] ) { |
| 946 |
return absint( get_post_thumbnail_id( $post_id ) ); |
| 947 |
} |
| 948 |
|
| 949 |
return null; |
| 950 |
} |
| 951 |
|
| 952 |
/** |
| 953 |
* Get an array of taxonomeis where the widget is displayed. |
| 954 |
* |
| 955 |
* @return array Array of taxonomies. |
| 956 |
*/ |
| 957 |
private static function get_widget_taxonomies() { |
| 958 |
$taxonomies = get_taxonomies( |
| 959 |
array( |
| 960 |
'public' => true, |
| 961 |
'show_ui' => true, |
| 962 |
) |
| 963 |
); |
| 964 |
|
| 965 |
/** |
| 966 |
* Filter the taxonomies where we need to show the poster settings. |
| 967 |
* |
| 968 |
* @param array $taxonomies List of taxonomies to show settings. |
| 969 |
*/ |
| 970 |
return apply_filters( 'sharing_image_widget_taxonomies', array_values( $taxonomies ) ); |
| 971 |
} |
| 972 |
|
| 973 |
/** |
| 974 |
* Check whether current user can generate a poster for the requested object. |
| 975 |
* |
| 976 |
* @param int $screen_id Post or term ID. |
| 977 |
* @param string $context Widget context. |
| 978 |
* |
| 979 |
* @return true|WP_Error True when allowed, WP_Error otherwise. |
| 980 |
*/ |
| 981 |
private static function check_generate_permission( $screen_id, $context ) { |
| 982 |
if ( 'term' === $context ) { |
| 983 |
if ( ! $screen_id || ! current_user_can( 'edit_term', $screen_id ) ) { |
| 984 |
return new WP_Error( 'permission', __( 'Sorry, you are not allowed to edit this term.', 'sharing-image' ), 403 ); |
| 985 |
} |
| 986 |
|
| 987 |
return true; |
| 988 |
} |
| 989 |
|
| 990 |
if ( 'post' !== $context ) { |
| 991 |
return new WP_Error( 'permission', __( 'Incorrect request context.', 'sharing-image' ), 400 ); |
| 992 |
} |
| 993 |
|
| 994 |
if ( $screen_id ) { |
| 995 |
if ( ! current_user_can( 'edit_post', $screen_id ) ) { |
| 996 |
return new WP_Error( 'permission', __( 'Sorry, you are not allowed to edit this post.', 'sharing-image' ), 403 ); |
| 997 |
} |
| 998 |
|
| 999 |
return true; |
| 1000 |
} |
| 1001 |
|
| 1002 |
if ( ! current_user_can( 'edit_posts' ) ) { |
| 1003 |
return new WP_Error( 'permission', __( 'Sorry, you are not allowed to edit posts.', 'sharing-image' ), 403 ); |
| 1004 |
} |
| 1005 |
|
| 1006 |
return true; |
| 1007 |
} |
| 1008 |
|
| 1009 |
/** |
| 1010 |
* Check whether an attachment can be used as a dynamic image layer. |
| 1011 |
* |
| 1012 |
* @param int $attachment_id Attachment ID. |
| 1013 |
* |
| 1014 |
* @return bool Whether attachment is readable image. |
| 1015 |
*/ |
| 1016 |
private static function can_use_image_attachment( $attachment_id ) { |
| 1017 |
if ( ! current_user_can( 'read_post', $attachment_id ) ) { |
| 1018 |
return false; |
| 1019 |
} |
| 1020 |
|
| 1021 |
return wp_attachment_is_image( $attachment_id ); |
| 1022 |
} |
| 1023 |
|
| 1024 |
/** |
| 1025 |
* Save attachment to media library. |
| 1026 |
* |
| 1027 |
* @param string $path Path to poster image. |
| 1028 |
* @param int $screen_id Post or taxonomy screen ID. |
| 1029 |
* @param string $context Widget context. For example: metabox or autogenerate. |
| 1030 |
* |
| 1031 |
* @return int|null Attachment ID or null; |
| 1032 |
*/ |
| 1033 |
private static function save_attachment( $path, $screen_id, $context ) { |
| 1034 |
$config = Config::get_config(); |
| 1035 |
|
| 1036 |
if ( ! isset( $config['attachment'] ) ) { |
| 1037 |
return null; |
| 1038 |
} |
| 1039 |
|
| 1040 |
$id = null; |
| 1041 |
|
| 1042 |
try { |
| 1043 |
$name = implode( '-', array( 'sharing-image', $context, $screen_id ) ); |
| 1044 |
|
| 1045 |
// Try to delete current attachment if exists. |
| 1046 |
self::delete_attachment( $name ); |
| 1047 |
|
| 1048 |
$uploads = wp_upload_dir(); |
| 1049 |
|
| 1050 |
// Get poster filetype. |
| 1051 |
$filetype = wp_check_filetype( basename( $path ), null ); |
| 1052 |
|
| 1053 |
$attachment = array( |
| 1054 |
'post' => array( |
| 1055 |
'guid' => $uploads['url'] . '/' . basename( $path ), |
| 1056 |
'post_mime_type' => $filetype['type'], |
| 1057 |
'post_name' => $name, |
| 1058 |
'post_title' => $name, |
| 1059 |
'post_content' => '', |
| 1060 |
'post_status' => 'inherit', |
| 1061 |
), |
| 1062 |
'parent_id' => 0, |
| 1063 |
); |
| 1064 |
|
| 1065 |
if ( 'post' === $context ) { |
| 1066 |
$attachment['parent_id'] = $screen_id; |
| 1067 |
} |
| 1068 |
|
| 1069 |
/** |
| 1070 |
* Filter attachment data before insertion. |
| 1071 |
* |
| 1072 |
* @param string $attachment Attachment data. |
| 1073 |
* @param string $path Path to poster image. |
| 1074 |
* @param string $screen_id Post or taxonomy screen ID. |
| 1075 |
* @param string $context Widget context. For example: metabox or autogenerate. |
| 1076 |
*/ |
| 1077 |
$attachment = apply_filters( 'sharing_image_attachment_data', $attachment, $path, $screen_id, $context ); |
| 1078 |
|
| 1079 |
if ( empty( $attachment['post'] ) ) { |
| 1080 |
return null; |
| 1081 |
} |
| 1082 |
|
| 1083 |
if ( ! function_exists( 'wp_crop_image' ) ) { |
| 1084 |
include ABSPATH . 'wp-admin/includes/image.php'; |
| 1085 |
} |
| 1086 |
|
| 1087 |
$id = wp_insert_attachment( $attachment['post'], $path, $attachment['parent_id'] ); |
| 1088 |
|
| 1089 |
// Get attachment metadata. |
| 1090 |
$metadata = wp_generate_attachment_metadata( $id, $path ); |
| 1091 |
|
| 1092 |
wp_update_attachment_metadata( $id, $metadata ); |
| 1093 |
} catch ( Exception $e ) { |
| 1094 |
return new WP_Error( 'attachment', $e->getMessage() ); |
| 1095 |
} |
| 1096 |
|
| 1097 |
return $id; |
| 1098 |
} |
| 1099 |
|
| 1100 |
/** |
| 1101 |
* Delete attachment by name if exists. |
| 1102 |
* |
| 1103 |
* @param string $name Name of attachment. |
| 1104 |
* |
| 1105 |
* @return bool Whether attachment deleted |
| 1106 |
*/ |
| 1107 |
private static function delete_attachment( $name ) { |
| 1108 |
$posts = get_posts( |
| 1109 |
array( |
| 1110 |
'post_type' => 'attachment', |
| 1111 |
'post_name__in' => array( $name ), |
| 1112 |
'update_post_term_cache' => false, |
| 1113 |
'update_post_meta_cache' => false, |
| 1114 |
'posts_per_page' => 1, |
| 1115 |
) |
| 1116 |
); |
| 1117 |
|
| 1118 |
if ( empty( $posts[0]->ID ) ) { |
| 1119 |
return false; |
| 1120 |
} |
| 1121 |
|
| 1122 |
return wp_delete_attachment( $posts[0]->ID, true ); |
| 1123 |
} |
| 1124 |
} |
| 1125 |
|
