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132 lines
No EOL
3.4 KiB
PHP
132 lines
No EOL
3.4 KiB
PHP
<?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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* Base 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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abstract class FileCache extends CacheProvider
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{
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/**
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* @var string Cache directory.
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*/
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protected $directory;
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/**
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* @var string Cache file extension.
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*/
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protected $extension;
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/**
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* Constructor
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*
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* @param string $directory Cache directory.
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* @param string $directory Cache file extension.
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*
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* @throws \InvalidArgumentException
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*/
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public function __construct($directory, $extension = null)
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{
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if ( ! is_dir($directory) && ! @mkdir($directory, 0777, true)) {
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throw new \InvalidArgumentException(sprintf(
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'The directory "%s" does not exist and could not be created.',
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$directory
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));
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}
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if ( ! is_writable($directory)) {
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throw new \InvalidArgumentException(sprintf(
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'The directory "%s" is not writable.',
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$directory
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));
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}
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$this->directory = realpath($directory);
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$this->extension = $extension ?: $this->extension;
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}
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/**
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* Gets the cache directory.
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*
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* @return string
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*/
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public function getDirectory()
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{
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return $this->directory;
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}
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/**
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* Gets the cache file extension.
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*
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* @return string
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*/
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public function getExtension()
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{
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return $this->extension;
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}
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/**
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* @return string
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*/
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protected function getFilename($id)
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{
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$path = implode(str_split(md5($id), 12), DIRECTORY_SEPARATOR);
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$path = $this->directory . DIRECTORY_SEPARATOR . $path;
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return $path . DIRECTORY_SEPARATOR . $id . $this->extension;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete($id)
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{
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return @unlink($this->getFilename($id));
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFlush()
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{
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$pattern = '/^.+\\' . $this->extension . '$/i';
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$iterator = new \RecursiveDirectoryIterator($this->directory);
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$iterator = new \RecursiveIteratorIterator($iterator);
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$iterator = new \RegexIterator($iterator, $pattern);
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foreach ($iterator as $name => $file) {
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@unlink($name);
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}
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doGetStats()
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{
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return null;
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}
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} |