88 lines
2.5 KiB
PHP
88 lines
2.5 KiB
PHP
<?php
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namespace MailPoet\Doctrine;
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use MailPoetVendor\Doctrine\Common\Cache\CacheProvider;
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use MailPoetVendor\Doctrine\ORM\Mapping\ClassMetadata as DoctrineClassMetadata;
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use MailPoetVendor\Symfony\Component\Validator\Mapping\ClassMetadata as ValidatorClassMetadata;
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use ReflectionClass;
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use ReflectionException;
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// Simple filesystem-based cache storage for Doctrine Metadata.
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//
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// Needed because Doctrine's FilesystemCache doesn't work read-only (when metadata dumped)
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// and it calls realpath() that could fail on some hostings due to filesystem permissions.
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class MetadataCache extends CacheProvider {
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/** @var bool */
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private $is_dev_mode;
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/** @var string */
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private $directory;
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public function __construct($dir, $is_read_only) {
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$this->is_dev_mode = defined('WP_DEBUG') && WP_DEBUG && !$is_read_only;
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$this->directory = rtrim($dir, '/\\');
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if (!file_exists($this->directory)) {
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mkdir($this->directory);
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}
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}
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protected function doFetch($id) {
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if (!$this->doContains($id)) {
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return false;
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}
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return unserialize(file_get_contents($this->getFilename($id)));
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}
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protected function doContains($id) {
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$filename = $this->getFilename($id);
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$file_exists = file_exists($filename);
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// in dev mode invalidate cache if source file has changed
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if ($file_exists && $this->is_dev_mode) {
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$class_metadata = unserialize(file_get_contents($filename));
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assert($class_metadata instanceof DoctrineClassMetadata || $class_metadata instanceof ValidatorClassMetadata);
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try {
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$reflection = new ReflectionClass($class_metadata->name);
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} catch (ReflectionException $e) {
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return false;
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}
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clearstatcache();
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return filemtime($filename) >= filemtime($reflection->getFileName());
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}
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return $file_exists;
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}
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protected function doSave($id, $data, $lifeTime = 0) {
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$filename = $this->getFilename($id);
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$result = @file_put_contents($filename, serialize($data));
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if ($result === false) {
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throw new \RuntimeException("Error while writing to '$filename'");
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}
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return true;
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}
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protected function doDelete($id) {
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@unlink($this->getFilename($id));
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return true;
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}
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protected function doFlush() {
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foreach (glob($this->directory . DIRECTORY_SEPARATOR . '*') as $filename) {
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if (is_file($filename)) {
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@unlink($filename);
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}
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}
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return true;
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}
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protected function doGetStats() {
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return null;
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}
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private function getFilename($id) {
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return $this->directory . DIRECTORY_SEPARATOR . md5($id);
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}
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}
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