/**
* Retrieves remote file, then stores it into target path.
*
* @param string $url The address of the target file
* @param string $target_filename The location to store
* @param string $body HTTP request body
* @param string $timeout Connection timeout
* @param string $method GET/POST
* @param string $content_type Content type header of HTTP request
* @param string[] $headers Headers key value array.
* @return bool TRUE: success, FALSE: failed
*/
function getRemoteFile($url, $target_filename, $body = null, $timeout = 3, $method = 'GET', $content_type = null, $headers = array(), $cookies = array(), $post_data = array(), $request_config = array())
{
$target_filename = self::getRealPath($target_filename);
self::writeFile($target_filename, '');
requirePear();
require_once 'HTTP/Request2/Observer/Download.php';
$request_config['store_body'] = false;
$request_config['observers'][] = new HTTP_Request2_Observer_Download($target_filename);
try {
$result = self::getRemoteResource($url, $body, $timeout, $method, $content_type, $headers, $cookies, $post_data, $request_config);
} catch (Exception $e) {
return FALSE;
}
return $result ? TRUE : FALSE;
}
function getRemoteResource($url, $body = null, $timeout = 3, $method = 'GET', $content_type = null, $headers = array(), $cookies = array(), $post_data = array())
{
requirePear();
require_once 'HTTP/Request.php';
$parsed_url = parse_url(__PROXY_SERVER__);
if ($parsed_url["host"]) {
$oRequest = new HTTP_Request(__PROXY_SERVER__);
$oRequest->setMethod('POST');
$oRequest->_timeout = $timeout;
$oRequest->addPostData('arg', serialize(array('Destination' => $url, 'method' => $method, 'body' => $body, 'content_type' => $content_type, "headers" => $headers, "post_data" => $post_data)));
} else {
$oRequest = new HTTP_Request($url);
if (count($headers)) {
foreach ($headers as $key => $val) {
$oRequest->addHeader($key, $val);
}
}
if ($cookies[$host]) {
foreach ($cookies[$host] as $key => $val) {
$oRequest->addCookie($key, $val);
}
}
if (count($post_data)) {
foreach ($post_data as $key => $val) {
$oRequest->addPostData($key, $val);
}
}
if (!$content_type) {
$oRequest->addHeader('Content-Type', 'text/html');
} else {
$oRequest->addHeader('Content-Type', $content_type);
}
$oRequest->setMethod($method);
if ($body) {
$oRequest->setBody($body);
}
$oRequest->_timeout = $timeout;
}
$oResponse = $oRequest->sendRequest();
$code = $oRequest->getResponseCode();
$header = $oRequest->getResponseHeader();
$response = $oRequest->getResponseBody();
if ($c = $oRequest->getResponseCookies()) {
foreach ($c as $k => $v) {
$cookies[$host][$v['name']] = $v['value'];
}
}
if ($code > 300 && $code < 399 && $header['location']) {
return FileHandler::getRemoteResource($header['location'], $body, $timeout, $method, $content_type, $headers, $cookies, $post_data);
}
return $response;
}
/**
* Return remote file's content via HTTP
*
* If the target is moved (when return code is 300~399), this function follows the location specified response header.
*
* @param string $url The address of the target file
* @param string $body HTTP request body
* @param int $timeout Connection timeout
* @param string $method GET/POST
* @param string $content_type Content type header of HTTP request
* @param string[] $headers Headers key value array.
* @param string[] $cookies Cookies key value array.
* @param string $post_data Request arguments array for POST method
* @return string If success, the content of the target file. Otherwise: none
*/
public static function getRemoteResource($url, $body = null, $timeout = 3, $method = 'GET', $content_type = null, $headers = array(), $cookies = array(), $post_data = array(), $request_config = array())
{
try {
requirePear();
if (!class_exists('HTTP_Request')) {
require_once 'HTTP/Request.php';
}
$parsed_url = parse_url(__PROXY_SERVER__);
if ($parsed_url["host"]) {
$oRequest = new HTTP_Request(__PROXY_SERVER__);
$oRequest->setMethod('POST');
$oRequest->addPostData('arg', serialize(array('Destination' => $url, 'method' => $method, 'body' => $body, 'content_type' => $content_type, "headers" => $headers, "post_data" => $post_data)));
} else {
$oRequest = new HTTP_Request($url);
if (count($request_config) && method_exists($oRequest, 'setConfig')) {
foreach ($request_config as $key => $val) {
$oRequest->setConfig($key, $val);
}
}
if (count($headers) > 0) {
foreach ($headers as $key => $val) {
$oRequest->addHeader($key, $val);
}
}
if ($cookies[$host]) {
foreach ($cookies[$host] as $key => $val) {
$oRequest->addCookie($key, $val);
}
}
if (count($post_data) > 0) {
foreach ($post_data as $key => $val) {
$oRequest->addPostData($key, $val);
}
}
if (!$content_type) {
$oRequest->addHeader('Content-Type', 'text/html');
} else {
$oRequest->addHeader('Content-Type', $content_type);
}
$oRequest->setMethod($method);
if ($body) {
$oRequest->setBody($body);
}
}
if (method_exists($oRequest, 'setConfig')) {
$oRequest->setConfig('timeout', $timeout);
} elseif (property_exists($oRequest, '_timeout')) {
$oRequest->_timeout = $timeout;
}
$oResponse = $oRequest->sendRequest();
$code = $oRequest->getResponseCode();
$header = $oRequest->getResponseHeader();
$response = $oRequest->getResponseBody();
if ($c = $oRequest->getResponseCookies()) {
foreach ($c as $k => $v) {
$cookies[$host][$v['name']] = $v['value'];
}
}
if ($code > 300 && $code < 399 && $header['location']) {
return self::getRemoteResource($header['location'], $body, $timeout, $method, $content_type, $headers, $cookies, $post_data);
}
if ($code != 200) {
return;
}
return $response;
} catch (Exception $e) {
return NULL;
}
}