/**
* Makes a request to the URL by using the preferred method
* @param string $uri URL to call
* @param array $options An array of parameters for both `curl` and `fopen`
* @param callable $callback Either a function or callback in array notation
* @return string The response of the request
*/
public static function get($uri = '', $options = [], $callback = null)
{
if (!self::isCurlAvailable() && !self::isFopenAvailable()) {
throw new \RuntimeException('Could not start an HTTP request. `allow_url_open` is disabled and `cURL` is not available');
}
// disable time limit if possible to help with slow downloads
if (!Utils::isFunctionDisabled('set_time_limit') && !ini_get('safe_mode')) {
set_time_limit(0);
}
$options = array_replace_recursive(self::$defaults, $options);
$method = 'get' . ucfirst(strtolower(self::$method));
self::$callback = $callback;
return static::$method($uri, $options, $callback);
}
/**
* Makes a request to the URL by using the preferred method
*
* @param string $uri URL to call
* @param array $options An array of parameters for both `curl` and `fopen`
* @param callable $callback Either a function or callback in array notation
*
* @return string The response of the request
*/
public static function get($uri = '', $options = [], $callback = null)
{
if (!self::isCurlAvailable() && !self::isFopenAvailable()) {
throw new \RuntimeException('Could not start an HTTP request. `allow_url_open` is disabled and `cURL` is not available');
}
// check if this function is available, if so use it to stop any timeouts
try {
if (!Utils::isFunctionDisabled('set_time_limit') && !ini_get('safe_mode') && function_exists('set_time_limit')) {
set_time_limit(0);
}
} catch (\Exception $e) {
}
$options = array_replace_recursive(self::$defaults, $options);
$method = 'get' . ucfirst(strtolower(self::$method));
self::$callback = $callback;
return static::$method($uri, $options, $callback);
}
/**
* Makes a request to the URL by using the preferred method
*
* @param string $uri URL to call
* @param array $options An array of parameters for both `curl` and `fopen`
* @param callable $callback Either a function or callback in array notation
*
* @return string The response of the request
*/
public static function get($uri = '', $options = [], $callback = null)
{
if (!self::isCurlAvailable() && !self::isFopenAvailable()) {
throw new \RuntimeException('Could not start an HTTP request. `allow_url_open` is disabled and `cURL` is not available');
}
// check if this function is available, if so use it to stop any timeouts
try {
if (!Utils::isFunctionDisabled('set_time_limit') && !ini_get('safe_mode') && function_exists('set_time_limit')) {
set_time_limit(0);
}
} catch (\Exception $e) {
}
$config = Grav::instance()['config'];
$overrides = [];
// SSL Verify Peer and Proxy Setting
$settings = ['method' => $config->get('system.gpm.method', self::$method), 'verify_peer' => $config->get('system.gpm.verify_peer', true), 'proxy_url' => $config->get('system.gpm.proxy_url', $config->get('system.proxy_url', false))];
if (!$settings['verify_peer']) {
$overrides = array_replace_recursive([], $overrides, ['curl' => [CURLOPT_SSL_VERIFYPEER => $settings['verify_peer']], 'fopen' => ['ssl' => ['verify_peer' => $settings['verify_peer'], 'verify_peer_name' => $settings['verify_peer']]]]);
}
// Proxy Setting
if ($settings['proxy_url']) {
$proxy = parse_url($settings['proxy_url']);
$fopen_proxy = ($proxy['scheme'] ?: 'http') . '://' . $proxy['host'] . (isset($proxy['port']) ? ':' . $proxy['port'] : '');
$overrides = array_replace_recursive([], $overrides, ['curl' => [CURLOPT_PROXY => $proxy['host'], CURLOPT_PROXYTYPE => 'HTTP'], 'fopen' => ['proxy' => $fopen_proxy, 'request_fulluri' => true]]);
if (isset($proxy['port'])) {
$overrides['curl'][CURLOPT_PROXYPORT] = $proxy['port'];
}
if (isset($proxy['user']) && isset($proxy['pass'])) {
$fopen_auth = $auth = base64_encode($proxy['user'] . ':' . $proxy['pass']);
$overrides['curl'][CURLOPT_PROXYUSERPWD] = $proxy['user'] . ':' . $proxy['pass'];
$overrides['fopen']['header'] = "Proxy-Authorization: Basic {$fopen_auth}";
}
}
$options = array_replace_recursive(self::$defaults, $options, $overrides);
$method = 'get' . ucfirst(strtolower($settings['method']));
self::$callback = $callback;
return static::$method($uri, $options, $callback);
}
/**
* Provides the ability to download a file to the browser
*
* @param $file the full path to the file to be downloaded
* @param bool $force_download as opposed to letting browser choose if to download or render
*/
public static function download($file, $force_download = true)
{
if (file_exists($file)) {
// fire download event
self::getGrav()->fireEvent('onBeforeDownload', new Event(['file' => $file]));
$file_parts = pathinfo($file);
$filesize = filesize($file);
// check if this function is available, if so use it to stop any timeouts
try {
if (!Utils::isFunctionDisabled('set_time_limit') && !ini_get('safe_mode') && function_exists('set_time_limit')) {
set_time_limit(0);
}
} catch (\Exception $e) {
}
ignore_user_abort(false);
if ($force_download) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename=' . $file_parts['basename']);
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
} else {
header("Content-Type: " . Utils::getMimeType($file_parts['extension']));
}
header('Content-Length: ' . $filesize);
// 8kb chunks for now
$chunk = 8 * 1024;
$fh = fopen($file, "rb");
if ($fh === false) {
return;
}
// Repeat reading until EOF
while (!feof($fh)) {
echo fread($fh, $chunk);
ob_flush();
// flush output
flush();
}
exit;
}
}
public function testIsFunctionDisabled()
{
$disabledFunctions = explode(',', ini_get('disable_functions'));
if ($disabledFunctions[0]) {
$this->assertEquals(Utils::isFunctionDisabled($disabledFunctions[0]), true);
}
}
