<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2021 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Utils\Http\Clients;
use s9e\TextFormatter\Utils\Http\Client;
class Cached extends Client
{
/**
* @var Client
*/
public $client;
/**
* @var string
*/
public $cacheDir;
/**
* @param Client $client
*/
public function __construct(Client $client)
{
$this->client = $client;
$this->timeout = $client->timeout;
$this->sslVerifyPeer = $client->sslVerifyPeer;
}
/**
* {@inheritdoc}
*/
public function get($url, array $options = [])
{
$filepath = $this->getCachedFilepath([$url, $options]);
if (isset($filepath) && file_exists(preg_replace('(^compress\\.zlib://)', '', $filepath)))
{
return file_get_contents($filepath);
}
$content = $this->getClient()->get($url, $options);
if (isset($filepath) && $content !== false)
{
file_put_contents($filepath, $content);
}
return $content;
}
/**
* {@inheritdoc}
*/
public function post($url, array $options = [], $body = '')
{
return $this->getClient()->post($url, $options, $body);
}
/**
* Generate and return a filepath that matches given vars
*
* @param array $vars
* @return string
*/
protected function getCachedFilepath(array $vars)
{
if (!isset($this->cacheDir))
{
return null;
}
$filepath = $this->cacheDir . '/http.' . $this->getCacheKey($vars);
if (extension_loaded('zlib'))
{
$filepath = 'compress.zlib://' . $filepath . '.gz';
}
return $filepath;
}
/**
* Generate a key for a given set of values
*
* @param string[] $vars
* @return string
*/
protected function getCacheKey(array $vars)
{
return strtr(base64_encode(sha1(serialize($vars), true)), '/', '_');
}
/**
* Return cached client configured with this client's options
*
* @return Client
*/
protected function getClient()
{
$this->client->timeout = $this->timeout;
$this->client->sslVerifyPeer = $this->sslVerifyPeer;
return $this->client;
}
}