Updates an existing curl as necessary
| public static configureCurl ( resource $curl_handle ) : resource | ||
| $curl_handle | resource | A curl_handle resource created by curl_init which should have several options set |
| return | resource | curl_handle with updated options |
/**
* Returns information with latest version from phpmyadmin.net
*
* @return object JSON decoded object with the data
*/
public function getLatestVersion()
{
if (!$GLOBALS['cfg']['VersionCheck']) {
return null;
}
// wait 3s at most for server response, it's enough to get information
// from a working server
$connection_timeout = 3;
$response = '{}';
// Get response text from phpmyadmin.net or from the session
// Update cache every 6 hours
if (isset($_SESSION['cache']['version_check']) && time() < $_SESSION['cache']['version_check']['timestamp'] + 3600 * 6) {
$save = false;
$response = $_SESSION['cache']['version_check']['response'];
} else {
$save = true;
$file = 'https://www.phpmyadmin.net/home_page/version.json';
if (ini_get('allow_url_fopen')) {
$context = array('http' => array('request_fulluri' => true, 'timeout' => $connection_timeout));
$context = Util::handleContext($context);
if (!defined('TESTSUITE')) {
session_write_close();
}
$response = file_get_contents($file, false, stream_context_create($context));
} else {
if (function_exists('curl_init')) {
$curl_handle = curl_init($file);
if ($curl_handle === false) {
return null;
}
$curl_handle = Util::configureCurl($curl_handle);
curl_setopt($curl_handle, CURLOPT_HEADER, false);
curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl_handle, CURLOPT_TIMEOUT, $connection_timeout);
if (!defined('TESTSUITE')) {
session_write_close();
}
$response = curl_exec($curl_handle);
}
}
}
/* Parse response */
$data = json_decode($response);
/* Basic sanity checking */
if (!is_object($data) || empty($data->version) || empty($data->releases) || empty($data->date)) {
return null;
}
if ($save) {
if (!isset($_SESSION) && !defined('TESTSUITE')) {
ini_set('session.use_only_cookies', 'false');
ini_set('session.use_cookies', 'false');
ini_set('session.use_trans_sid', 'false');
ini_set('session.cache_limiter', 'nocache');
session_start();
}
$_SESSION['cache']['version_check'] = array('response' => $response, 'timestamp' => time());
}
return $data;
}
/**
* Checks if given URL is 200 or 404, optionally returns data
*
* @param string $link the URL to check
* @param boolean $get_body whether to retrieve body of document
*
* @return string|boolean test result or data
*/
public function checkHTTP($link, $get_body = false)
{
if (!function_exists('curl_init')) {
return null;
}
$handle = curl_init($link);
if ($handle === false) {
return null;
}
Util::configureCurl($handle);
curl_setopt($handle, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($handle, CURLOPT_TIMEOUT, 5);
curl_setopt($handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
if (!defined('TESTSUITE')) {
session_write_close();
}
$data = @curl_exec($handle);
if (!defined('TESTSUITE')) {
ini_set('session.use_only_cookies', '0');
ini_set('session.use_cookies', '0');
ini_set('session.use_trans_sid', '0');
ini_set('session.cache_limiter', 'nocache');
session_start();
}
if ($data === false) {
return null;
}
$http_status = curl_getinfo($handle, CURLINFO_HTTP_CODE);
if ($http_status == 200) {
return $get_body ? $data : true;
}
if ($http_status == 404) {
return false;
}
return null;
}
/**
* Creates HTTP request using curl
*
* @param string $url Url to send the request
* @param string $method HTTP request method (GET, POST, PUT, DELETE, etc)
* @param bool $return_only_status If set to true, the method would only return response status
* @param mixed $content Content to be sent with HTTP request
* @param string $header Header to be set for the HTTP request
*
* @return mixed
*/
public static function httpRequestCurl($url, $method, $return_only_status = false, $content = null, $header = "")
{
$curl_handle = curl_init($url);
if ($curl_handle === false) {
return null;
}
$curl_handle = Util::configureCurl($curl_handle);
if ($method != "GET") {
curl_setopt($curl_handle, CURLOPT_CUSTOMREQUEST, $method);
}
if ($header) {
curl_setopt($curl_handle, CURLOPT_HTTPHEADER, array($header));
curl_setopt($curl_handle, CURLOPT_HEADER, true);
}
if ($method == "POST") {
curl_setopt($curl_handle, CURLOPT_POSTFIELDS, $content);
}
curl_setopt($curl_handle, CURLOPT_SSL_VERIFYHOST, '2');
curl_setopt($curl_handle, CURLOPT_SSL_VERIFYPEER, '1');
curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl_handle, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($curl_handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
curl_setopt($curl_handle, CURLOPT_TIMEOUT, 10);
curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 10);
$response = @curl_exec($curl_handle);
if ($response === false) {
return null;
}
$http_status = curl_getinfo($curl_handle, CURLINFO_HTTP_CODE);
return Util::httpRequestReturn($response, $http_status, $return_only_status);
}
