| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('ABSPATH')) { |
| 4 |
exit; |
| 5 |
} |
| 6 |
|
| 7 |
/** |
| 8 |
* Page ordering, hierarchy helpers, redirect destination building, and notification helpers. |
| 9 |
* Used by ABJ_404_Solution_PluginLogic via `use`. |
| 10 |
* |
| 11 |
* @phpstan-type PageObject object{id: int, post_parent: int, depth: int, post_type: string, post_title: string} |
| 12 |
*/ |
| 13 |
trait ABJ_404_Solution_PluginLogicTrait_PageOrdering { |
| 14 |
|
| 15 |
/** |
| 16 |
* Build the final redirect destination URL. |
| 17 |
* |
| 18 |
* This is separated for testability and to avoid mixing HTML escaping with redirect URL construction. |
| 19 |
* |
| 20 |
* @param string $location Base redirect destination. |
| 21 |
* @param string $requestedURL Original requested URL (used for custom 404 ref tracking). |
| 22 |
* @param bool $isCustom404 Whether we are redirecting to a custom 404 page. |
| 23 |
* @return string Redirect destination suitable for wp_redirect(). |
| 24 |
*/ |
| 25 |
public function buildFinalRedirectDestination($location, $requestedURL = '', $isCustom404 = false) { |
| 26 |
// Translate redirect destination for multilingual sites (TranslatePress, etc.) |
| 27 |
$location = $this->maybeTranslateRedirectUrl($location, $requestedURL); |
| 28 |
|
| 29 |
// Preserve comment pagination and query string from the original request. |
| 30 |
$commentPartAndQueryPart = (string)$this->getCommentPartAndQueryPartOfRequest(); |
| 31 |
$finalDestination = (string)$location . $commentPartAndQueryPart; |
| 32 |
|
| 33 |
// Append _ref LAST for custom 404 redirects (prevents user override via query string). |
| 34 |
// This is a fallback for when cookies don't survive 301 redirects. |
| 35 |
if ($isCustom404 && is_string($requestedURL) && $requestedURL !== '') { |
| 36 |
$refUrlResult = preg_replace('/\?.*/', '', $requestedURL); // Strip query string from ref |
| 37 |
$refUrl = is_string($refUrlResult) ? $refUrlResult : $requestedURL; |
| 38 |
$refParam = ABJ404_PP . '_ref'; |
| 39 |
if (function_exists('remove_query_arg')) { |
| 40 |
$finalDestination = remove_query_arg($refParam, $finalDestination); |
| 41 |
} |
| 42 |
if (function_exists('add_query_arg')) { |
| 43 |
$finalDestination = add_query_arg($refParam, rawurlencode($refUrl), $finalDestination); |
| 44 |
} else { |
| 45 |
$separator = (strpos($finalDestination, '?') === false) ? '?' : '&'; |
| 46 |
$finalDestination .= $separator . $refParam . '=' . rawurlencode($refUrl); |
| 47 |
} |
| 48 |
} |
| 49 |
|
| 50 |
// Sanitize for redirect header context (NOT HTML context). |
| 51 |
// Harden against CRLF header injection even when WP helpers are not available. |
| 52 |
$finalDestCleaned = preg_replace("/[\\r\\n]+/", '', (string)$finalDestination); |
| 53 |
$finalDestination = is_string($finalDestCleaned) ? $finalDestCleaned : (string)$finalDestination; |
| 54 |
|
| 55 |
if (function_exists('wp_sanitize_redirect')) { |
| 56 |
$finalDestination = wp_sanitize_redirect($finalDestination); |
| 57 |
} elseif (function_exists('esc_url_raw')) { |
| 58 |
$finalDestination = esc_url_raw($finalDestination); |
| 59 |
} |
| 60 |
|
| 61 |
return (string)$finalDestination; |
| 62 |
} |
| 63 |
|
| 64 |
/** Order pages and set the page depth for child pages. |
| 65 |
* Move the children to be underneath the parents. |
| 66 |
* @param array<int, object> $pages |
| 67 |
* @param bool $includeMissingParentPages |
| 68 |
* @return array<int, object> |
| 69 |
*/ |
| 70 |
function orderPageResults(array $pages, bool $includeMissingParentPages = false): array { |
| 71 |
|
| 72 |
// sort by type then title. |
| 73 |
usort($pages, function (object $a, object $b): int { |
| 74 |
return $this->sortByTypeThenTitle($a, $b); |
| 75 |
}); |
| 76 |
// run this to see if there are any child pages left. |
| 77 |
$orderedPages = $this->setDepthAndAddChildren($pages); |
| 78 |
|
| 79 |
// The pages are now sorted. We now apply the depth AND we make sure the child pages |
| 80 |
// always immediately follow the parent pages. |
| 81 |
|
| 82 |
// ------------- |
| 83 |
if ($includeMissingParentPages && (count($orderedPages) != count($pages))) { |
| 84 |
$iterations = 0; |
| 85 |
|
| 86 |
do { |
| 87 |
$idsOfMissingParentPages = $this->getMissingParentPageIDs($pages); |
| 88 |
$pageCountBefore = count($pages); |
| 89 |
$iterations = $iterations + 1; |
| 90 |
|
| 91 |
// get the parents of the unused pages. |
| 92 |
foreach ($idsOfMissingParentPages as $pageID) { |
| 93 |
$postParent = get_post(is_scalar($pageID) ? (int)$pageID : 0); |
| 94 |
if ($postParent == null) { |
| 95 |
continue; |
| 96 |
} |
| 97 |
$parentPageSlug = $postParent->post_name; |
| 98 |
$parentPage = $this->dao->getPublishedPagesAndPostsIDs($parentPageSlug); |
| 99 |
if (count($parentPage) != 0) { |
| 100 |
$pages[] = $parentPage[0]; |
| 101 |
} |
| 102 |
} |
| 103 |
|
| 104 |
if ($iterations > 30) { |
| 105 |
break; |
| 106 |
} |
| 107 |
|
| 108 |
$idsOfMissingParentPages = $this->getMissingParentPageIDs($pages); |
| 109 |
|
| 110 |
// loop until we can't find any more parents. This may happen if a sub-page is published |
| 111 |
// and the parent page is not published. |
| 112 |
} while ($pageCountBefore != count($pages)); |
| 113 |
|
| 114 |
// sort everything again |
| 115 |
usort($pages, function (object $a, object $b): int { |
| 116 |
return $this->sortByTypeThenTitle($a, $b); |
| 117 |
}); |
| 118 |
$orderedPages = $this->setDepthAndAddChildren($pages); |
| 119 |
} |
| 120 |
|
| 121 |
// if there are child pages left over then there's an issue. it means there's a child page that was |
| 122 |
// returned but the parent for that child was not returned. so we don't have any place to display |
| 123 |
// the child page. this could be because the parent page is not "published" |
| 124 |
if (count($orderedPages) != count($pages)) { |
| 125 |
$unusedPages = array_udiff($pages, $orderedPages, function (object $a, object $b): int { |
| 126 |
return $this->compareByID($a, $b); |
| 127 |
}); |
| 128 |
$this->logger->debugMessage("There was an issue finding the parent pages for some child pages. " . |
| 129 |
"These pages' parents may not have a 'published' status. Pages: " . |
| 130 |
wp_kses_post(json_encode($unusedPages) ?: '')); |
| 131 |
} |
| 132 |
|
| 133 |
return $orderedPages; |
| 134 |
} |
| 135 |
|
| 136 |
/** For custom categories we create a Map<String, List> where the key is the name |
| 137 |
* of the taxonomy and the list holds the rows that have the category info. |
| 138 |
* @param array<int, object{taxonomy: string, name?: string}> $categoryRows |
| 139 |
* @return array<string, array<int, object{taxonomy: string, name?: string}>> |
| 140 |
*/ |
| 141 |
function getMapOfCustomCategories(array $categoryRows): array { |
| 142 |
$customTagsEtc = array(); |
| 143 |
|
| 144 |
foreach ($categoryRows as $cat) { |
| 145 |
$taxonomy = $cat->taxonomy; |
| 146 |
if ($taxonomy == 'category') { |
| 147 |
continue; |
| 148 |
} |
| 149 |
// for custom categories we create a Map<String, List> where the key is the name |
| 150 |
// of the taxonomy and the list holds the rows that have the category info. |
| 151 |
if (!array_key_exists($taxonomy, $customTagsEtc) || $customTagsEtc[$taxonomy] == null) { |
| 152 |
$customTagsEtc[$taxonomy] = array($cat); |
| 153 |
} else { |
| 154 |
array_push($customTagsEtc[$taxonomy], $cat); |
| 155 |
} |
| 156 |
|
| 157 |
} |
| 158 |
return $customTagsEtc; |
| 159 |
} |
| 160 |
|
| 161 |
/** Returns a list of parent IDs that can't be found in the passed in pages. |
| 162 |
* @param array<int, object> $pages |
| 163 |
* @return array<int, mixed> |
| 164 |
*/ |
| 165 |
function getMissingParentPageIDs(array $pages): array { |
| 166 |
$listOfIDs = array(); |
| 167 |
$missingParentPageIDs = array(); |
| 168 |
|
| 169 |
foreach ($pages as $page) { |
| 170 |
/** @var PageObject $page */ |
| 171 |
$listOfIDs[] = $page->id; |
| 172 |
} |
| 173 |
|
| 174 |
foreach ($pages as $page) { |
| 175 |
/** @var PageObject $page */ |
| 176 |
if ($page->post_parent == 0) { |
| 177 |
continue; |
| 178 |
} |
| 179 |
if (in_array($page->post_parent, $listOfIDs)) { |
| 180 |
continue; |
| 181 |
} |
| 182 |
|
| 183 |
$missingParentPageIDs[] = $page->post_parent; |
| 184 |
} |
| 185 |
|
| 186 |
$missingParentPageIDs = array_merge( |
| 187 |
array_unique($missingParentPageIDs, SORT_REGULAR), array()); |
| 188 |
return $missingParentPageIDs; |
| 189 |
} |
| 190 |
|
| 191 |
/** |
| 192 |
* Compare pages based on their ID. |
| 193 |
* @param object $a |
| 194 |
* @param object $b |
| 195 |
* @return int |
| 196 |
*/ |
| 197 |
function compareByID(object $a, object $b): int { |
| 198 |
/** @var PageObject $a */ |
| 199 |
/** @var PageObject $b */ |
| 200 |
if ($a->id < $b->id) { |
| 201 |
return -1; |
| 202 |
} |
| 203 |
if ($b->id < $a->id) { |
| 204 |
return 1; |
| 205 |
} |
| 206 |
return 0; |
| 207 |
} |
| 208 |
|
| 209 |
/** Set the depth of each page and add pages under their parents by rebuilding the list |
| 210 |
* every time we iterate through it and adding the child pages at the right moment every time |
| 211 |
* the list is built. |
| 212 |
* @param array<int, object> $pages |
| 213 |
* @return array<int, object> |
| 214 |
*/ |
| 215 |
function setDepthAndAddChildren(array $pages): array { |
| 216 |
// find all child pages (pages that have parents). |
| 217 |
$childPages = $this->findChildPages($pages); |
| 218 |
|
| 219 |
// find all pages with no parents. |
| 220 |
$mainPages = $this->findAllMainPages($pages); |
| 221 |
|
| 222 |
$oldChildPageCount = -1; |
| 223 |
|
| 224 |
// this do{} loop is here because some child pages have children. |
| 225 |
do { |
| 226 |
// add every page to a new list, while looking for parents. |
| 227 |
$orderedPages = array(); |
| 228 |
foreach ($mainPages as $page) { |
| 229 |
/** @var PageObject $page */ |
| 230 |
// always add the main page. |
| 231 |
$orderedPages[] = $page; |
| 232 |
|
| 233 |
// if this page is the parent of any children then add the children. |
| 234 |
$removeThese = array(); |
| 235 |
foreach ($childPages as $child) { |
| 236 |
/** @var PageObject $child */ |
| 237 |
if ($child->post_parent == $page->id) { |
| 238 |
// set the page depth based on the parent's page depth. |
| 239 |
$parentDepth = $page->depth; |
| 240 |
/** @var \stdClass $childMut */ |
| 241 |
$childMut = $child; |
| 242 |
$childMut->depth = $parentDepth + 1; |
| 243 |
|
| 244 |
$removeThese[] = $child; |
| 245 |
$orderedPages[] = $child; |
| 246 |
} |
| 247 |
} |
| 248 |
|
| 249 |
// remove any child pages that have been placed already |
| 250 |
$childPages = $this->removeUsedChildPages($childPages, $removeThese); |
| 251 |
} |
| 252 |
|
| 253 |
// the new list becomes the list that we will iterate over next time. |
| 254 |
// this prepares us for the next iteration and for child pages with a depth greater than 1. |
| 255 |
// (for child pages that have children). |
| 256 |
$mainPages = $orderedPages; |
| 257 |
|
| 258 |
// if the count has not changed then there's no point in looping again. |
| 259 |
if (count($childPages) == $oldChildPageCount) { |
| 260 |
break; |
| 261 |
} |
| 262 |
$oldChildPageCount = count($childPages); |
| 263 |
// stop the loop once there are no more children to add. |
| 264 |
} while (count($childPages) > 0); |
| 265 |
|
| 266 |
return $orderedPages; |
| 267 |
} |
| 268 |
|
| 269 |
/** |
| 270 |
* @param array<int, object> $pages |
| 271 |
* @return array<int, object> |
| 272 |
*/ |
| 273 |
function findAllMainPages(array $pages): array { |
| 274 |
$mainPages = array(); |
| 275 |
foreach ($pages as $page) { |
| 276 |
/** @var PageObject $page */ |
| 277 |
// if there's no parent then just add the page. |
| 278 |
if ($page->post_parent == 0) { |
| 279 |
$mainPages[] = $page; |
| 280 |
} |
| 281 |
} |
| 282 |
|
| 283 |
return $mainPages; |
| 284 |
} |
| 285 |
|
| 286 |
/** |
| 287 |
* @param array<int, object> $childPages |
| 288 |
* @param array<int, object> $removeThese |
| 289 |
* @return array<int, object> |
| 290 |
*/ |
| 291 |
function removeUsedChildPages(array $childPages, array $removeThese): array { |
| 292 |
// if any children were added then remove them from the list. |
| 293 |
foreach ($removeThese as $removeThis) { |
| 294 |
$key = array_search($removeThis, $childPages); |
| 295 |
if ($key !== false) { |
| 296 |
unset($childPages[$key]); |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
return $childPages; |
| 301 |
} |
| 302 |
|
| 303 |
/** Return pages that have a non-0 parent. |
| 304 |
* @param array<int, object> $pages |
| 305 |
* @return array<int, object> |
| 306 |
*/ |
| 307 |
function findChildPages(array $pages): array { |
| 308 |
$childPages = array(); |
| 309 |
foreach ($pages as $page) { |
| 310 |
/** @var PageObject $page */ |
| 311 |
if ($page->post_parent != 0) { |
| 312 |
$childPages[] = $page; |
| 313 |
} |
| 314 |
} |
| 315 |
return $childPages; |
| 316 |
} |
| 317 |
|
| 318 |
/** |
| 319 |
* @param object $a |
| 320 |
* @param object $b |
| 321 |
* @return int |
| 322 |
*/ |
| 323 |
function sortByTypeThenTitle(object $a, object $b): int { |
| 324 |
/** @var PageObject $a */ |
| 325 |
/** @var PageObject $b */ |
| 326 |
// first sort by type |
| 327 |
$result = strcmp($a->post_type, $b->post_type); |
| 328 |
if ($result != 0) { |
| 329 |
return $result; |
| 330 |
} |
| 331 |
|
| 332 |
// then by title. |
| 333 |
return strcmp($a->post_title, $b->post_title); |
| 334 |
} |
| 335 |
|
| 336 |
/** Send an email if a notification should be displayed. Return true if an email is sent, or false otherwise. |
| 337 |
* @return string |
| 338 |
*/ |
| 339 |
function emailCaptured404Notification() { |
| 340 |
|
| 341 |
$options = $this->getOptions(true); |
| 342 |
|
| 343 |
$frequency = isset($options['admin_notification_frequency']) && is_string($options['admin_notification_frequency']) |
| 344 |
? $options['admin_notification_frequency'] |
| 345 |
: 'instant'; |
| 346 |
|
| 347 |
// For non-instant frequencies, the digest handles sending — skip the count-only email. |
| 348 |
if ($frequency !== 'instant') { |
| 349 |
$emailDigest = new ABJ_404_Solution_EmailDigest($this->dao, $this->logger); |
| 350 |
return $emailDigest->sendDigest(); |
| 351 |
} |
| 352 |
|
| 353 |
$captured404Count = $this->dao->getCapturedCountForNotification(); |
| 354 |
if (!$this->shouldNotifyAboutCaptured404s($captured404Count)) { |
| 355 |
return "Not enough 404s found to send an admin notification email (" . $captured404Count . ")."; |
| 356 |
} |
| 357 |
|
| 358 |
$captured404URLSettings = admin_url() . "options-general.php?page=" . ABJ404_PP . '&subpage=abj404_captured'; |
| 359 |
$generalSettings = admin_url() . "options-general.php?page=" . ABJ404_PP . '&subpage=abj404_options'; |
| 360 |
$to = is_string($options['admin_notification_email']) ? $options['admin_notification_email'] : ''; |
| 361 |
$subject = '404 Solution: Captured 404 Notification'; |
| 362 |
$body = "There are currently " . $captured404Count . " captured 404s to look at. <BR/><BR/>\n\n"; |
| 363 |
$body .= 'Visit <a href="' . $captured404URLSettings . '">' . $captured404URLSettings . |
| 364 |
'</a> to see them.<BR/><BR/>' . "\n"; |
| 365 |
$body .= 'To stop getting these emails, update the settings at <a href="' . $generalSettings . '">' . |
| 366 |
$generalSettings . '</a>, or contact the site administrator.' . "<BR/>\n"; |
| 367 |
$body .= "<BR/><BR/>\n\nSent " . date('Y/m/d h:i:s T') . "<BR/>\n" . "PHP version: " . PHP_VERSION . |
| 368 |
", <BR/>\nPlugin version: " . ABJ404_VERSION; |
| 369 |
$headers = array('Content-Type: text/html; charset=UTF-8'); |
| 370 |
$adminEmail = get_option('admin_email'); |
| 371 |
$adminEmailStr = is_string($adminEmail) ? $adminEmail : ''; |
| 372 |
$headers[] = 'From: ' . $adminEmailStr . '<' . $adminEmailStr . '>'; |
| 373 |
|
| 374 |
// send the email |
| 375 |
$this->logger->debugMessage("Sending captured 404 notification email to: " . $to); |
| 376 |
wp_mail($to, $subject, $body, $headers); |
| 377 |
$this->logger->debugMessage("Captured 404 notification email sent."); |
| 378 |
return "Captured 404 notification email sent to: " . trim($to); |
| 379 |
} |
| 380 |
|
| 381 |
/** Return true if a notification should be displayed, or false otherwise. |
| 382 |
* @global type $abj404dao |
| 383 |
* @param number $captured404Count the number of captured 404s |
| 384 |
* @return boolean |
| 385 |
*/ |
| 386 |
function shouldNotifyAboutCaptured404s($captured404Count) { |
| 387 |
$options = $this->getOptions(true); |
| 388 |
|
| 389 |
if (isset($options['admin_notification']) && $options['admin_notification'] != '0') { |
| 390 |
if ($captured404Count >= $options['admin_notification']) { |
| 391 |
return true; |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
return false; |
| 396 |
} |
| 397 |
|
| 398 |
/** 0|0 => "(Default 404 Page)" |
| 399 |
* 5|5 => "(Home Page)" |
| 400 |
* 10|1 => "About" |
| 401 |
* @param string $idAndType |
| 402 |
* @param string $externalLinkURL |
| 403 |
* @return string |
| 404 |
*/ |
| 405 |
function getPageTitleFromIDAndType($idAndType, $externalLinkURL) { |
| 406 |
|
| 407 |
if ($idAndType == '') { |
| 408 |
return ''; |
| 409 |
} |
| 410 |
|
| 411 |
$meta = explode("|", $idAndType); |
| 412 |
$id = $meta[0]; |
| 413 |
// Handle malformed data that doesn't contain a pipe separator |
| 414 |
$type = isset($meta[1]) ? $meta[1] : ''; |
| 415 |
|
| 416 |
// Use strict comparison to avoid null/false == 0 issues with type coercion |
| 417 |
// Cast to int for comparison since ABJ404_TYPE_* constants are integers |
| 418 |
$typeInt = is_numeric($type) ? (int)$type : -1; |
| 419 |
|
| 420 |
if ($idAndType == ABJ404_TYPE_404_DISPLAYED . '|' . ABJ404_TYPE_404_DISPLAYED) { |
| 421 |
return __('(Default 404 Page)', '404-solution'); |
| 422 |
} else if ($idAndType == ABJ404_TYPE_HOME . '|' . ABJ404_TYPE_HOME) { |
| 423 |
return __('(Home Page)', '404-solution'); |
| 424 |
} else if ($typeInt === ABJ404_TYPE_EXTERNAL) { |
| 425 |
return $externalLinkURL; |
| 426 |
} else if ($typeInt === ABJ404_TYPE_HOME) { |
| 427 |
return __('(Home Page)', '404-solution'); |
| 428 |
} |
| 429 |
|
| 430 |
$idInt = (int)$id; |
| 431 |
if ($typeInt === ABJ404_TYPE_POST) { |
| 432 |
return get_the_title($idInt); |
| 433 |
|
| 434 |
} else if ($typeInt === ABJ404_TYPE_CAT) { |
| 435 |
$rows = $this->dao->getPublishedCategories($idInt); |
| 436 |
if (empty($rows)) { |
| 437 |
$this->logger->debugMessage('No TERM (category) found with ID: ' . $id); |
| 438 |
return ''; |
| 439 |
} |
| 440 |
$firstRow = $rows[0]; |
| 441 |
return property_exists($firstRow, 'name') ? (string)$firstRow->name : ''; |
| 442 |
|
| 443 |
} else if ($typeInt === ABJ404_TYPE_TAG) { |
| 444 |
$tag = get_tag($idInt); |
| 445 |
if (is_object($tag) && property_exists($tag, 'name')) { |
| 446 |
return (string)$tag->name; |
| 447 |
} |
| 448 |
return ''; |
| 449 |
} |
| 450 |
|
| 451 |
$this->logger->errorMessage("Couldn't get page title. No matching type found for type: " . esc_html($type)); |
| 452 |
return ''; |
| 453 |
} |
| 454 |
|
| 455 |
} |
| 456 |
|