FileSystemCacheHandler.php in Auth0 Single Sign On 8.2

Namespace

Auth0\SDK\Helpers\Cache

File

vendor/auth0/auth0-php/src/Helpers/Cache/FileSystemCacheHandler.php

<?php

namespace Auth0\SDK\Helpers\Cache;


/**
 * @deprecated 5.7.0, use a Psr\SimpleCache\CacheInterface in 7.0.0.
 */
class FileSystemCacheHandler implements CacheHandler {

  /**
   *
   * @var string
   */
  protected $tmp_dir;

  /**
   * FileSystemCacheHandler constructor.
   *
   * @param string $temp_directory_prefix
   */
  public function __construct($temp_directory_prefix = 'auth0-php') {
    $this->tmp_dir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $temp_directory_prefix . DIRECTORY_SEPARATOR;
    if (!is_dir($this->tmp_dir) && !@mkdir($this->tmp_dir, 0777, true) && !is_dir($this->tmp_dir)) {
      trigger_error("Cache Handler was not able to create directory '{$this->tmp_dir}'", E_USER_WARNING);
    }
  }

  /**
   *
   * @param  string $key
   * @return mixed|null
   */
  public function get($key) {
    $key = md5($key);
    if (!file_exists($this->tmp_dir . $key)) {
      return null;
    }
    $file = fopen($this->tmp_dir . $key, 'r');
    flock($file, LOCK_EX);
    $data = fgets($file);
    flock($file, LOCK_UN);
    fclose($file);
    return unserialize(base64_decode($data));
  }

  /**
   *
   * @param string $key
   */
  public function delete($key) {
    $key = md5($key);
    $this
      ->set($key, null);
    @unlink($this->tmp_dir . $key);
  }

  /**
   *
   * @param string $key
   * @param mixed  $value
   */
  public function set($key, $value) {
    $key = md5($key);
    $value = base64_encode(serialize($value));
    $file = fopen($this->tmp_dir . $key, 'w+');
    flock($file, LOCK_EX);
    fwrite($file, $value, strlen($value));
    flock($file, LOCK_UN);
    fclose($file);
  }

}

Classes

Name	Description
FileSystemCacheHandler Deprecated