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121 lines
3.3 KiB
121 lines
3.3 KiB
10 months ago
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<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\Common\Cache;
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/**
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* Php file cache driver.
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*
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* @since 2.3
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* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
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*/
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class PhpFileCache extends FileCache
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{
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const EXTENSION = '.doctrinecache.php';
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/**
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* {@inheritdoc}
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*/
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public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
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{
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parent::__construct($directory, $extension, $umask);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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$value = $this->includeFileForId($id);
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if (! $value) {
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return false;
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}
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if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) {
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return false;
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}
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return $value['data'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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$value = $this->includeFileForId($id);
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if (! $value) {
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return false;
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}
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return $value['lifetime'] === 0 || $value['lifetime'] > time();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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if ($lifeTime > 0) {
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$lifeTime = time() + $lifeTime;
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}
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if (is_object($data) && ! method_exists($data, '__set_state')) {
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throw new \InvalidArgumentException(
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"Invalid argument given, PhpFileCache only allows objects that implement __set_state() " .
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"and fully support var_export(). You can use the FilesystemCache to save arbitrary object " .
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"graphs using serialize()/deserialize()."
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);
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}
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$filename = $this->getFilename($id);
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$value = array(
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'lifetime' => $lifeTime,
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'data' => $data
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);
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$value = var_export($value, true);
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$code = sprintf('<?php return %s;', $value);
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return $this->writeFile($filename, $code);
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}
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/**
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* @param string $id
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*
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* @return array|false
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*/
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private function includeFileForId($id)
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{
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$fileName = $this->getFilename($id);
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// note: error suppression is still faster than `file_exists`, `is_file` and `is_readable`
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$value = @include $fileName;
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if (! isset($value['lifetime'])) {
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return false;
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}
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return $value;
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}
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}
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