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<?php
namespace YouTube;
class Browser
{
protected $storage_dir;
protected $cookie_file;
protected $user_agent = 'Mozilla/5.0 (Windows NT 6.3; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0';
protected $proxy;
public function __construct()
{
$filename = 'youtube_downloader_cookies.txt';
$this->storage_dir = sys_get_temp_dir();
$this->cookie_file = join(DIRECTORY_SEPARATOR, [sys_get_temp_dir(), $filename]);
}
public function setProxy($proxy_server)
{
$this->proxy = $proxy_server;
}
public function getCookieFile()
{
return $this->cookie_file;
}
public function get($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_USERAGENT, $this->user_agent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_COOKIEJAR, $this->cookie_file);
curl_setopt($ch, CURLOPT_COOKIEFILE, $this->cookie_file);
$array = array('170.130.62.4:3128','170.130.62.107:3128','170.130.62.4:3128',
'170.130.62.107:3128',
'173.232.14.67:3128',
'104.140.209.33:3128',
'173.208.39.20:3128',
'170.130.62.189:3128',
'173.208.39.112:3128',
'104.140.209.156:3128',
'173.232.14.30:3128',
'170.130.62.216:3128');
$k = array_rand($array);
$proxy = $array[$k];
/*if ($this->proxy) {
curl_setopt($ch, CURLOPT_PROXY, $this->proxy);
}*/
curl_setopt($ch, CURLOPT_PROXY, $proxy);
//curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
public function getCached($url)
{
$cache_path = sprintf('%s/%s', $this->storage_dir, $this->getCacheKey($url));
if (file_exists($cache_path)) {
// unserialize could fail on empty file
$str = file_get_contents($cache_path);
return unserialize($str);
}
$response = $this->get($url);
// must not fail
if ($response) {
file_put_contents($cache_path, serialize($response));
return $response;
}
return null;
}
public function head($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($ch, CURLOPT_NOBODY, 1);
$result = curl_exec($ch);
curl_close($ch);
return http_parse_headers($result);
}
// useful for checking for: 429 Too Many Requests
public function getStatus($url)
{
}
protected function getCacheKey($url)
{
return md5($url);
}
}