class AliasWhitelist in Drupal 10
Same name and namespace in other branches
- 8 core/modules/path_alias/src/AliasWhitelist.php \Drupal\path_alias\AliasWhitelist
- 9 core/modules/path_alias/src/AliasWhitelist.php \Drupal\path_alias\AliasWhitelist
Extends CacheCollector to build the path alias whitelist over time.
Hierarchy
- class \Drupal\Core\Cache\CacheCollector implements CacheCollectorInterface, DestructableInterface
- class \Drupal\path_alias\AliasWhitelist implements AliasWhitelistInterface
Expanded class hierarchy of AliasWhitelist
1 file declares its use of AliasWhitelist
- AliasTest.php in core/
modules/ path_alias/ tests/ src/ Kernel/ AliasTest.php
1 string reference to 'AliasWhitelist'
- path_alias.services.yml in core/
modules/ path_alias/ path_alias.services.yml - core/modules/path_alias/path_alias.services.yml
1 service uses AliasWhitelist
- path_alias.whitelist in core/
modules/ path_alias/ path_alias.services.yml - Drupal\path_alias\AliasWhitelist
File
- core/
modules/ path_alias/ src/ AliasWhitelist.php, line 13
Namespace
Drupal\path_aliasView source
class AliasWhitelist extends CacheCollector implements AliasWhitelistInterface {
/**
* The Key/Value Store to use for state.
*
* @var \Drupal\Core\State\StateInterface
*/
protected $state;
/**
* The path alias repository.
*
* @var \Drupal\path_alias\AliasRepositoryInterface
*/
protected $pathAliasRepository;
/**
* Constructs an AliasWhitelist object.
*
* @param string $cid
* The cache id to use.
* @param \Drupal\Core\Cache\CacheBackendInterface $cache
* The cache backend.
* @param \Drupal\Core\Lock\LockBackendInterface $lock
* The lock backend.
* @param \Drupal\Core\State\StateInterface $state
* The state keyvalue store.
* @param \Drupal\path_alias\AliasRepositoryInterface $alias_repository
* The path alias repository.
*/
public function __construct($cid, CacheBackendInterface $cache, LockBackendInterface $lock, StateInterface $state, AliasRepositoryInterface $alias_repository) {
parent::__construct($cid, $cache, $lock);
$this->state = $state;
$this->pathAliasRepository = $alias_repository;
}
/**
* {@inheritdoc}
*/
protected function lazyLoadCache() {
parent::lazyLoadCache();
// On a cold start $this->storage will be empty and the whitelist will
// need to be rebuilt from scratch. The whitelist is initialized from the
// list of all valid path roots stored in the 'router.path_roots' state,
// with values initialized to NULL. During the request, each path requested
// that matches one of these keys will be looked up and the array value set
// to either TRUE or FALSE. This ensures that paths which do not exist in
// the router are not looked up, and that paths that do exist in the router
// are only looked up once.
if (empty($this->storage)) {
$this
->loadMenuPathRoots();
}
}
/**
* Loads menu path roots to prepopulate cache.
*/
protected function loadMenuPathRoots() {
if ($roots = $this->state
->get('router.path_roots')) {
foreach ($roots as $root) {
$this->storage[$root] = NULL;
$this
->persist($root);
}
}
}
/**
* {@inheritdoc}
*/
public function get($offset) {
$this
->lazyLoadCache();
// this may be called with paths that are not represented by menu router
// items such as paths that will be rewritten by hook_url_outbound_alter().
// Therefore internally TRUE is used to indicate whitelisted paths. FALSE is
// used to indicate paths that have already been checked but are not
// whitelisted, and NULL indicates paths that have not been checked yet.
if (isset($this->storage[$offset])) {
if ($this->storage[$offset]) {
return TRUE;
}
}
elseif (array_key_exists($offset, $this->storage)) {
return $this
->resolveCacheMiss($offset);
}
}
/**
* {@inheritdoc}
*/
public function resolveCacheMiss($root) {
$exists = $this->pathAliasRepository
->pathHasMatchingAlias('/' . $root);
$this->storage[$root] = $exists;
$this
->persist($root);
if ($exists) {
return TRUE;
}
}
/**
* {@inheritdoc}
*/
public function clear() {
parent::clear();
$this
->loadMenuPathRoots();
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
AliasWhitelist:: |
protected | property | The path alias repository. | |
AliasWhitelist:: |
protected | property | The Key/Value Store to use for state. | |
AliasWhitelist:: |
public | function |
Clears the collected cache entry. Overrides CacheCollector:: |
|
AliasWhitelist:: |
public | function |
Gets value from the cache. Overrides CacheCollector:: |
|
AliasWhitelist:: |
protected | function |
Loads the cache if not already done. Overrides CacheCollector:: |
|
AliasWhitelist:: |
protected | function | Loads menu path roots to prepopulate cache. | |
AliasWhitelist:: |
public | function |
Resolves a cache miss. Overrides CacheCollector:: |
|
AliasWhitelist:: |
public | function |
Constructs an AliasWhitelist object. Overrides CacheCollector:: |
|
CacheCollector:: |
protected | property | The cache backend that should be used. | 1 |
CacheCollector:: |
protected | property | Stores the cache creation time. | |
CacheCollector:: |
protected | property | Flag that indicates of the cache has been invalidated. | |
CacheCollector:: |
protected | property | Indicates if the collected cache was already loaded. | |
CacheCollector:: |
protected | property | The cache id that is used for the cache entry. | |
CacheCollector:: |
protected | property | An array of keys to add to the cache on service termination. | |
CacheCollector:: |
protected | property | An array of keys to remove from the cache on service termination. | |
CacheCollector:: |
protected | property | The lock backend that should be used. | 1 |
CacheCollector:: |
protected | property | Storage for the data itself. | |
CacheCollector:: |
protected | property | A list of tags that are used for the cache entry. | |
CacheCollector:: |
public | function |
Deletes the element. Overrides CacheCollectorInterface:: |
|
CacheCollector:: |
public | function |
Performs destruct operations. Overrides DestructableInterface:: |
|
CacheCollector:: |
protected | function | Gets the cache ID. | 3 |
CacheCollector:: |
public | function |
Returns whether data exists for this key. Overrides CacheCollectorInterface:: |
1 |
CacheCollector:: |
protected | function | Invalidate the cache. | |
CacheCollector:: |
protected | function | Normalizes a cache ID in order to comply with database limitations. | |
CacheCollector:: |
protected | function | Flags an offset value to be written to the persistent cache. | |
CacheCollector:: |
public | function |
Resets the local cache. Overrides CacheCollectorInterface:: |
1 |
CacheCollector:: |
public | function |
Implements \Drupal\Core\Cache\CacheCollectorInterface::set(). Overrides CacheCollectorInterface:: |
1 |
CacheCollector:: |
protected | function | Writes a value to the persistent cache immediately. | 1 |