| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace UserAccessManager\Controller\Frontend; |
| 6 |
|
| 7 |
use stdClass; |
| 8 |
use UserAccessManager\Access\AccessHandler; |
| 9 |
use UserAccessManager\Config\MainConfig; |
| 10 |
use UserAccessManager\Config\WordpressConfig; |
| 11 |
use UserAccessManager\Database\Database; |
| 12 |
use UserAccessManager\Object\ObjectHandler; |
| 13 |
use UserAccessManager\User\UserHandler; |
| 14 |
use UserAccessManager\UserGroup\AbstractUserGroup; |
| 15 |
use UserAccessManager\UserGroup\UserGroupHandler; |
| 16 |
use UserAccessManager\UserGroup\UserGroupTypeException; |
| 17 |
use UserAccessManager\Util\Util; |
| 18 |
use UserAccessManager\Wrapper\Php; |
| 19 |
use UserAccessManager\Wrapper\Wordpress; |
| 20 |
use WeakMap; |
| 21 |
use WP_Comment; |
| 22 |
use WP_Hook; |
| 23 |
use WP_Post; |
| 24 |
use WP_Query; |
| 25 |
use WP_REST_Request; |
| 26 |
use WP_REST_Response; |
| 27 |
|
| 28 |
class PostController extends ContentController |
| 29 |
{ |
| 30 |
private array $wordpressFilters = []; |
| 31 |
private stdClass|array|null $cachedCounts = []; |
| 32 |
|
| 33 |
private WeakMap $posts; |
| 34 |
|
| 35 |
public function __construct( |
| 36 |
Php $php, |
| 37 |
Wordpress $wordpress, |
| 38 |
WordpressConfig $wordpressConfig, |
| 39 |
MainConfig $mainConfig, |
| 40 |
Util $util, |
| 41 |
ObjectHandler $objectHandler, |
| 42 |
UserHandler $userHandler, |
| 43 |
UserGroupHandler $userGroupHandler, |
| 44 |
AccessHandler $accessHandler, |
| 45 |
private Database $database |
| 46 |
) { |
| 47 |
parent::__construct( |
| 48 |
$php, |
| 49 |
$wordpress, |
| 50 |
$wordpressConfig, |
| 51 |
$mainConfig, |
| 52 |
$util, |
| 53 |
$objectHandler, |
| 54 |
$userHandler, |
| 55 |
$userGroupHandler, |
| 56 |
$accessHandler |
| 57 |
); |
| 58 |
|
| 59 |
$this->posts = new WeakMap(); |
| 60 |
} |
| 61 |
|
| 62 |
public function getWordpressFilters(): array |
| 63 |
{ |
| 64 |
return $this->wordpressFilters; |
| 65 |
} |
| 66 |
|
| 67 |
private function filtersSuppressed(WP_Query $wpQuery): bool |
| 68 |
{ |
| 69 |
return isset($wpQuery->query_vars['suppress_filters']) === true |
| 70 |
&& $wpQuery->query_vars['suppress_filters'] === true; |
| 71 |
} |
| 72 |
|
| 73 |
private function addExcludedPosts(mixed $postsNotIn, array $excludedPosts): array |
| 74 |
{ |
| 75 |
return array_unique(array_merge((array) $postsNotIn, $excludedPosts)); |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* @throws UserGroupTypeException |
| 80 |
*/ |
| 81 |
public function parseQuery(WP_Query $wpQuery): void |
| 82 |
{ |
| 83 |
if ($this->filtersSuppressed($wpQuery) === true) { |
| 84 |
$excludedPosts = $this->accessHandler->getExcludedPosts(); |
| 85 |
|
| 86 |
if ($excludedPosts !== []) { |
| 87 |
$wpQuery->query_vars['post__not_in'] = $this->addExcludedPosts( |
| 88 |
$wpQuery->query_vars['post__not_in'] ?? [], |
| 89 |
$excludedPosts |
| 90 |
); |
| 91 |
} |
| 92 |
} |
| 93 |
} |
| 94 |
|
| 95 |
/** |
| 96 |
* @param WP_Hook[] $filters |
| 97 |
*/ |
| 98 |
private function extractOwnFilters(array $filters): bool |
| 99 |
{ |
| 100 |
if (isset($filters['the_posts']->callbacks[10]) === true) { |
| 101 |
foreach ($filters['the_posts']->callbacks[10] as $postFilter) { |
| 102 |
if (is_array($postFilter['function']) === true |
| 103 |
&& $postFilter['function'][0] instanceof PostController |
| 104 |
&& $postFilter['function'][1] === 'showPosts' |
| 105 |
) { |
| 106 |
$this->wordpressFilters['the_posts'] = $filters['the_posts']; |
| 107 |
$filters['the_posts']->callbacks = [10 => [$postFilter]]; |
| 108 |
return true; |
| 109 |
} |
| 110 |
} |
| 111 |
} |
| 112 |
|
| 113 |
return false; |
| 114 |
} |
| 115 |
|
| 116 |
public function postsPreQuery(?array $posts, WP_Query $query): ?array |
| 117 |
{ |
| 118 |
if ($this->filtersSuppressed($query) === true) { |
| 119 |
$filters = $this->wordpress->getFilters(); |
| 120 |
|
| 121 |
// Only unset filter if the user access filter is active |
| 122 |
if ($this->extractOwnFilters($filters) === true) { |
| 123 |
$query->query_vars['suppress_filters'] = false; |
| 124 |
|
| 125 |
if (isset($filters['posts_results']) === true) { |
| 126 |
$this->wordpressFilters['posts_results'] = $filters['posts_results']; |
| 127 |
unset($filters['posts_results']); |
| 128 |
} |
| 129 |
|
| 130 |
$this->wordpress->setFilters($filters); |
| 131 |
} |
| 132 |
} |
| 133 |
|
| 134 |
return $posts; |
| 135 |
} |
| 136 |
|
| 137 |
private function restoreFilters(): void |
| 138 |
{ |
| 139 |
if (count($this->wordpressFilters) > 0) { |
| 140 |
$filters = $this->wordpress->getFilters(); |
| 141 |
|
| 142 |
foreach ($this->wordpressFilters as $filterKey => $filter) { |
| 143 |
$filters[$filterKey] = $filter; |
| 144 |
} |
| 145 |
|
| 146 |
$this->wordpress->setFilters($filters); |
| 147 |
$this->wordpressFilters = []; |
| 148 |
} |
| 149 |
} |
| 150 |
|
| 151 |
private function getPost(mixed $post): bool|WP_Post |
| 152 |
{ |
| 153 |
if ($post instanceof WP_post) { |
| 154 |
return $post; |
| 155 |
} elseif (is_int($post) === true) { |
| 156 |
return $this->objectHandler->getPost($post); |
| 157 |
} elseif (isset($post->ID) === true) { |
| 158 |
return $this->objectHandler->getPost($post->ID); |
| 159 |
} |
| 160 |
|
| 161 |
return false; |
| 162 |
} |
| 163 |
|
| 164 |
private function processPostContent(WP_Post $post): string |
| 165 |
{ |
| 166 |
$uamPostContent = htmlspecialchars_decode($this->mainConfig->getPostTypeContent($post->post_type)); |
| 167 |
|
| 168 |
if ($this->mainConfig->showPostTypeContentBeforeMore($post->post_type) === true |
| 169 |
&& preg_match('/<!--more(.*?)?-->/', $post->post_content, $matches) |
| 170 |
) { |
| 171 |
$uamPostContent = explode($matches[0], $post->post_content)[0] . ' ' . $uamPostContent; |
| 172 |
} |
| 173 |
|
| 174 |
return stripslashes($uamPostContent); |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* @throws UserGroupTypeException |
| 179 |
*/ |
| 180 |
private function processPost(WP_Post $post): WP_Post|bool |
| 181 |
{ |
| 182 |
$post->post_title .= $this->adminOutput($post->post_type, $post->ID); |
| 183 |
|
| 184 |
if ($this->accessHandler->checkObjectAccess($post->post_type, $post->ID) === false) { |
| 185 |
if ($this->removePostFromList($post->post_type) === true) { |
| 186 |
return false; |
| 187 |
} |
| 188 |
|
| 189 |
$post->post_content = $this->processPostContent($post); |
| 190 |
|
| 191 |
if ($this->mainConfig->hidePostTypeTitle($post->post_type) === true) { |
| 192 |
$post->post_title = $this->mainConfig->getPostTypeTitle($post->post_type); |
| 193 |
} |
| 194 |
|
| 195 |
if ($this->mainConfig->lockPostTypeComments($post->post_type) === true) { |
| 196 |
$post->comment_status = 'close'; |
| 197 |
} |
| 198 |
} |
| 199 |
|
| 200 |
return $post; |
| 201 |
} |
| 202 |
|
| 203 |
/** |
| 204 |
* @throws UserGroupTypeException |
| 205 |
*/ |
| 206 |
private function getProcessedPost(WP_Post $post): ?WP_Post |
| 207 |
{ |
| 208 |
$post = $this->posts[$post] ??= $this->processPost($post); |
| 209 |
return $post === false ? null : $post; |
| 210 |
} |
| 211 |
|
| 212 |
/** |
| 213 |
* @throws UserGroupTypeException |
| 214 |
*/ |
| 215 |
private function filterRawPosts(array $rawPosts): array |
| 216 |
{ |
| 217 |
$filteredPosts = []; |
| 218 |
|
| 219 |
foreach ($rawPosts as $rawPost) { |
| 220 |
$post = $this->getPost($rawPost); |
| 221 |
|
| 222 |
if ($post !== false) { |
| 223 |
$post = $this->getProcessedPost($post); |
| 224 |
|
| 225 |
if ($post !== null) { |
| 226 |
$filteredPosts[] = $post; |
| 227 |
} |
| 228 |
} else { |
| 229 |
$filteredPosts[] = $rawPost; |
| 230 |
} |
| 231 |
} |
| 232 |
|
| 233 |
return $filteredPosts; |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* @throws UserGroupTypeException |
| 238 |
*/ |
| 239 |
public function showPosts(?array $showPosts = []): ?array |
| 240 |
{ |
| 241 |
if ($this->wordpress->isFeed() === false || $this->mainConfig->protectFeed() === true) { |
| 242 |
$showPosts = $this->filterRawPosts((array) $showPosts); |
| 243 |
} |
| 244 |
|
| 245 |
$this->restoreFilters(); |
| 246 |
|
| 247 |
return $showPosts; |
| 248 |
} |
| 249 |
|
| 250 |
/** |
| 251 |
* @param WP_Post[] $rawPages The pages. |
| 252 |
* @throws UserGroupTypeException |
| 253 |
*/ |
| 254 |
public function showPages(array $rawPages = []): array |
| 255 |
{ |
| 256 |
return $this->filterRawPosts($rawPages); |
| 257 |
} |
| 258 |
|
| 259 |
private function isSingleObjectRestRequest(mixed $request, WP_Post $post): bool |
| 260 |
{ |
| 261 |
return $request instanceof WP_REST_Request |
| 262 |
&& $request->get_param('id') !== null |
| 263 |
&& (int) $request->get_param('id') === (int) $post->ID; |
| 264 |
} |
| 265 |
|
| 266 |
private function setRestField(array &$data, string $field, string $value): void |
| 267 |
{ |
| 268 |
if (array_key_exists($field, $data) === false) { |
| 269 |
return; |
| 270 |
} |
| 271 |
|
| 272 |
if (is_array($data[$field]) === true) { |
| 273 |
if (array_key_exists('rendered', $data[$field]) === true) { |
| 274 |
$data[$field]['rendered'] = $value; |
| 275 |
} |
| 276 |
|
| 277 |
if (array_key_exists('raw', $data[$field]) === true) { |
| 278 |
$data[$field]['raw'] = $value; |
| 279 |
} |
| 280 |
|
| 281 |
if (array_key_exists('protected', $data[$field]) === true) { |
| 282 |
$data[$field]['protected'] = false; |
| 283 |
} |
| 284 |
} else { |
| 285 |
$data[$field] = $value; |
| 286 |
} |
| 287 |
} |
| 288 |
|
| 289 |
/** |
| 290 |
* The_posts / posts_where_paged never run for REST single-item requests, |
| 291 |
* which resolve through get_post() directly, so access is enforced here too. |
| 292 |
* |
| 293 |
* @throws UserGroupTypeException |
| 294 |
*/ |
| 295 |
public function restrictRestResponse(mixed $response, mixed $post = null, mixed $request = null): mixed |
| 296 |
{ |
| 297 |
if (($response instanceof WP_REST_Response) === false |
| 298 |
|| ($post instanceof WP_Post) === false |
| 299 |
|| $this->accessHandler->checkObjectAccess($post->post_type, $post->ID) === true |
| 300 |
) { |
| 301 |
return $response; |
| 302 |
} |
| 303 |
|
| 304 |
if ($this->removePostFromList($post->post_type) === true |
| 305 |
&& $this->isSingleObjectRestRequest($request, $post) === true |
| 306 |
) { |
| 307 |
return $this->wordpress->getWpError( |
| 308 |
'uam_rest_access_denied', |
| 309 |
TXT_UAM_REST_ACCESS_DENIED, |
| 310 |
['status' => $this->wordpress->isUserLoggedIn() === true ? 403 : 401] |
| 311 |
); |
| 312 |
} |
| 313 |
|
| 314 |
$restrictedContent = $this->processPostContent($post); |
| 315 |
$data = (array) $response->get_data(); |
| 316 |
|
| 317 |
$this->setRestField($data, 'content', $restrictedContent); |
| 318 |
$this->setRestField($data, 'excerpt', $restrictedContent); |
| 319 |
|
| 320 |
if ($this->mainConfig->hidePostTypeTitle($post->post_type) === true) { |
| 321 |
$this->setRestField($data, 'title', $this->mainConfig->getPostTypeTitle($post->post_type)); |
| 322 |
} |
| 323 |
|
| 324 |
$response->set_data($data); |
| 325 |
|
| 326 |
return $response; |
| 327 |
} |
| 328 |
|
| 329 |
/** |
| 330 |
* @throws UserGroupTypeException |
| 331 |
*/ |
| 332 |
public function excludeRestrictedPostsFromRestQuery(array $queryArgs): array |
| 333 |
{ |
| 334 |
$excludedPosts = $this->accessHandler->getExcludedPosts(); |
| 335 |
|
| 336 |
if ($excludedPosts !== []) { |
| 337 |
$queryArgs['post__not_in'] = $this->addExcludedPosts($queryArgs['post__not_in'] ?? [], $excludedPosts); |
| 338 |
} |
| 339 |
|
| 340 |
return $queryArgs; |
| 341 |
} |
| 342 |
|
| 343 |
/** |
| 344 |
* @throws UserGroupTypeException |
| 345 |
*/ |
| 346 |
public function getAttachedFile(string $file, int|string|null $attachmentId): bool|string |
| 347 |
{ |
| 348 |
$isImage = (bool) preg_match('/(?i)\.(jpg|jpeg|jpe|png|gif)$/', $file); |
| 349 |
|
| 350 |
if ($isImage === false && $this->mainConfig->lockFile() === true) { |
| 351 |
$hasAccess = $this->accessHandler->checkObjectAccess(ObjectHandler::ATTACHMENT_OBJECT_TYPE, $attachmentId); |
| 352 |
return ($hasAccess === true) ? $file : false; |
| 353 |
} |
| 354 |
|
| 355 |
return $file; |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* @throws UserGroupTypeException |
| 360 |
*/ |
| 361 |
private function addQueryExcludedPostFilter(string $query, string $table): string |
| 362 |
{ |
| 363 |
$excludedPosts = $this->accessHandler->getExcludedPosts(); |
| 364 |
|
| 365 |
if ($excludedPosts !== []) { |
| 366 |
$excludedPostsStr = implode(', ', array_map('intval', $excludedPosts)); |
| 367 |
$query .= " AND $table.ID NOT IN ($excludedPostsStr) "; |
| 368 |
} |
| 369 |
|
| 370 |
return $query; |
| 371 |
} |
| 372 |
|
| 373 |
/** |
| 374 |
* @throws UserGroupTypeException |
| 375 |
*/ |
| 376 |
public function showPostSql(string $query): string |
| 377 |
{ |
| 378 |
return $this->addQueryExcludedPostFilter($query, $this->database->getPostsTable()); |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* @throws UserGroupTypeException |
| 383 |
*/ |
| 384 |
public function showNextPreviousPost(string $query): string |
| 385 |
{ |
| 386 |
return $this->addQueryExcludedPostFilter($query, 'p'); |
| 387 |
} |
| 388 |
|
| 389 |
private function getPostCountQuery(array $excludedPosts, string $type, string $perm): string |
| 390 |
{ |
| 391 |
$excludedPosts = implode(', ', array_map('intval', $excludedPosts)); |
| 392 |
$query = "SELECT post_status, COUNT(*) AS num_posts |
| 393 |
FROM {$this->database->getPostsTable()} |
| 394 |
WHERE post_type = %s |
| 395 |
AND ID NOT IN ($excludedPosts)"; |
| 396 |
|
| 397 |
if ('readable' === $perm |
| 398 |
&& $this->wordpress->isUserLoggedIn() === true |
| 399 |
&& $this->wordpress->currentUserCan( |
| 400 |
$this->wordpress->getPostTypeObject($type)->cap->read_private_posts |
| 401 |
) === false |
| 402 |
) { |
| 403 |
$query .= $this->database->prepare( |
| 404 |
' AND (post_status != \'private\' OR (post_author = %d AND post_status = \'private\'))', |
| 405 |
$this->wordpress->getCurrentUser()->ID |
| 406 |
); |
| 407 |
} |
| 408 |
|
| 409 |
$query .= ' GROUP BY post_status'; |
| 410 |
return $query; |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* @throws UserGroupTypeException |
| 415 |
*/ |
| 416 |
public function showPostCount(stdClass $counts, string $type, string $perm): stdClass |
| 417 |
{ |
| 418 |
if (isset($this->cachedCounts[$type]) === false) { |
| 419 |
$excludedPosts = $this->accessHandler->getExcludedPosts(); |
| 420 |
|
| 421 |
if ($excludedPosts !== []) { |
| 422 |
$query = $this->getPostCountQuery($excludedPosts, $type, $perm); |
| 423 |
$results = (array) $this->database->getResults( |
| 424 |
$this->database->prepare($query, $type), |
| 425 |
ARRAY_A |
| 426 |
); |
| 427 |
|
| 428 |
foreach ($results as $result) { |
| 429 |
if (isset($counts->{$result['post_status']})) { |
| 430 |
$counts->{$result['post_status']} = $result['num_posts']; |
| 431 |
} |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
$this->cachedCounts[$type] = $counts; |
| 436 |
} |
| 437 |
|
| 438 |
return $this->cachedCounts[$type]; |
| 439 |
} |
| 440 |
|
| 441 |
private function hidePostComment(string $postType): bool |
| 442 |
{ |
| 443 |
return $this->mainConfig->lockPostTypeComments($postType) === true |
| 444 |
|| $this->mainConfig->hidePostType($postType) === true |
| 445 |
|| $this->wordpressConfig->atAdminPanel() === true; |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* @param WP_Comment[] $comments The comments. |
| 450 |
* @throws UserGroupTypeException |
| 451 |
*/ |
| 452 |
public function showComment(array $comments = []): array |
| 453 |
{ |
| 454 |
$showComments = []; |
| 455 |
|
| 456 |
foreach ($comments as $comment) { |
| 457 |
$post = $this->objectHandler->getPost($comment->comment_post_ID); |
| 458 |
|
| 459 |
if ($post !== false |
| 460 |
&& $this->accessHandler->checkObjectAccess($post->post_type, $post->ID) === false |
| 461 |
) { |
| 462 |
if ($this->hidePostComment($post->post_type)) { |
| 463 |
continue; |
| 464 |
} |
| 465 |
|
| 466 |
if ($this->mainConfig->hidePostTypeComments($post->post_type) === true) { |
| 467 |
$comment->comment_content = $this->mainConfig->getPostTypeCommentContent($post->post_type); |
| 468 |
} |
| 469 |
} |
| 470 |
|
| 471 |
$showComments[] = $comment; |
| 472 |
} |
| 473 |
|
| 474 |
return $showComments; |
| 475 |
} |
| 476 |
|
| 477 |
/** |
| 478 |
* @throws UserGroupTypeException |
| 479 |
*/ |
| 480 |
public function showEditLink(?string $link, int|string|null $postId): string |
| 481 |
{ |
| 482 |
if ($this->mainConfig->hideEditLinkOnNoAccess() === true |
| 483 |
&& $this->accessHandler->checkObjectAccess(ObjectHandler::GENERAL_POST_OBJECT_TYPE, $postId, true) === false |
| 484 |
) { |
| 485 |
$link = ''; |
| 486 |
} |
| 487 |
|
| 488 |
if ($this->mainConfig->showAssignedGroups() === true) { |
| 489 |
$userGroups = $this->userGroupHandler->getFilteredUserGroupsForObject( |
| 490 |
ObjectHandler::GENERAL_POST_OBJECT_TYPE, |
| 491 |
$postId |
| 492 |
); |
| 493 |
|
| 494 |
if (count($userGroups) > 0) { |
| 495 |
$escapedGroups = array_map( |
| 496 |
function (AbstractUserGroup $group) { |
| 497 |
return htmlentities($group->getName()); |
| 498 |
}, |
| 499 |
$userGroups |
| 500 |
); |
| 501 |
|
| 502 |
$link .= $link !== '' ? ' | ' : ' '; |
| 503 |
$link .= TXT_UAM_ASSIGNED_GROUPS . ': ' . implode(', ', $escapedGroups); |
| 504 |
} |
| 505 |
} |
| 506 |
|
| 507 |
return (string) $link; |
| 508 |
} |
| 509 |
} |
| 510 |
|