function makeRequest($url)
{
function getRawPostData()
{
$eol = "\r\n";
//e.g. multipart/form-data; boundary=----WebKitFormBoundarymBorAQvghrThkwiU
$BOUNDARY = substr(ltrim(explode(";", $_SERVER["CONTENT_TYPE"])[1]), strlen("boundary="));
//"----GoweWebBoundary" . substr(base64_encode(substr(md5(time()), rand(0, 19), 12)), 0, -1);
$postData = "";
foreach ($_POST as $name => $value) {
$postData .= "--" . $BOUNDARY . $eol;
$postData .= 'Content-Disposition: form-data; name="' . $name . '"' . $eol . $eol;
$postData .= $value . $eol;
}
foreach ($_FILES as $name => $info) {
if (is_array($info['tmp_name'])) {
//name[]
foreach ($info['tmp_name'] as $index => $tmpName) {
if (!empty($info['error'][$index]) and $info['error'][$index] !== UPLOAD_ERR_NO_FILE) {
continue;
}
if (empty($tmpName) or is_uploaded_file($tmpName)) {
$postData .= "--" . $BOUNDARY . $eol;
$postData .= 'Content-Disposition: form-data; name="' . $name . '[]"; filename="' . $info['name'][$index] . '"' . $eol;
$postData .= "Content-Type: application/octet-stream" . $eol . $eol;
$postData .= (empty($tmpName) ? "" : file_get_contents($tmpName)) . $eol;
}
}
} else {
if (empty($info['tmp_name']) or is_uploaded_file($info['tmp_name'])) {
$postData .= "--" . $BOUNDARY . $eol;
$postData .= 'Content-Disposition: form-data; name="' . $name . '"; filename="' . $info['name'] . '"' . $eol;
$postData .= (empty($info['tmp_name']) ? "" : "Content-Type: " . (empty($info['type']) ? "application/octet-stream" : $info['type'])) . $eol . $eol;
$postData .= (empty($info['tmp_name']) ? "" : file_get_contents($info['tmp_name'])) . $eol;
}
}
}
$postData .= '--' . $BOUNDARY . '--' . $eol . $eol;
return $postData;
}
global $host, $hosts, $hostsFlip;
$user_agent = $_SERVER['HTTP_USER_AGENT'];
$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "Mozilla/5.0 (compatible; Gowe Mirror Image Server)";
$ch = curl_init();
curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
$browserRequestHeaders = getallheaders();
$browserRequestHeaders['Host'] = $host;
//not necessary. hostReplace will be completed below
unset($browserRequestHeaders['Content-Length']);
//?
unset($browserRequestHeaders['Accept-Encoding']);
curl_setopt($ch, CURLOPT_ENCODING, "");
$curlRequestHeaders = array();
//for google only
switch ($host) {
case "google.com":
case "www.google.com":
if (!isset($_COOKIE['PREF'])) {
$LD = explode(",", explode(";", $_SERVER['HTTP_ACCEPT_LANGUAGE'])[0])[0];
if (strlen($LD) === 0) {
$LD = "zh-TW";
}
//Default Language
$browserRequestHeaders['Cookie'] .= "PREF=ID=1111111111111111:FF=0:CR=2:SG=1:V=1:LD=" . $LD . ";";
}
break;
//preset cookie in case to avoid country redirect
//preset cookie in case to avoid country redirect
default:
}
//Anti-abusement,record and deliver client IP to original server:
$browserRequestHeaders['X-Real-IP'] = isset($browserRequestHeaders['X-Real-IP']) ? $browserRequestHeaders['X-Real-IP'] : $_SERVER['REMOTE_ADDR'];
if (isset($browserRequestHeaders['X-Forwarded-For'])) {
$X_Forwarded_For = str_replace(" ", "", explode(",", $browserRequestHeaders['X-Forwarded-For']));
if (count($X_Forwarded_For) >= 1 and $X_Forwarded_For[count($X_Forwarded_For) - 1] !== $_SERVER['REMOTE_ADDR']) {
$browserRequestHeaders['X-Forwarded-For'] .= ", " . $_SERVER['REMOTE_ADDR'];
}
} else {
$browserRequestHeaders['X-Forwarded-For'] = $_SERVER['REMOTE_ADDR'];
}
foreach ($browserRequestHeaders as $name => $value) {
$curlRequestHeaders[] = $name . ": " . $value;
}
$curlRequestHeaders = hostReplace($hostsFlip, $curlRequestHeaders);
curl_setopt($ch, CURLOPT_HTTPHEADER, $curlRequestHeaders);
switch ($_SERVER['REQUEST_METHOD']) {
case "POST":
curl_setopt($ch, CURLOPT_POST, true);
$postData = file_get_contents("php://input");
//"php://input" is invaild for Content-Type: multipart/form-data unless enable-post-data-reading in php.ini is off (PHP 5.4+)
if (empty($postData)) {
$postData = getRawPostData();
}
//For some reason, $HTTP_RAW_POST_DATA isn't working as documented at
//http://php.net/manual/en/reserved.variables.httprawpostdata.php
//but the php://input method works. This is likely to be flaky
//across different server environments.
//More info here: http://stackoverflow.com/questions/8899239/http-raw-post-data-not-being-populated-after-upgrade-to-php-5-3
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
break;
case "PUT":
curl_setopt($ch, CURLOPT_PUT, true);
curl_setopt($ch, CURLOPT_INFILE, fopen("php://input", 'r'));
break;
}
//Other cURL options.
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
//allow 302/301 instead of following it directly
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
//Set the request URL.//
curl_setopt($ch, CURLOPT_URL, $url);
//Make the request.
$response = curl_exec($ch);
$responseInfo = curl_getinfo($ch);
$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
curl_close($ch);
//Setting CURLOPT_HEADER to true above forces the response headers and body
//to be output together--separate them.
$responseHeaders = substr($response, 0, $headerSize);
$responseHeaders = hostReplace($hosts, $responseHeaders);
$responseBody = substr($response, $headerSize);
return array("headers" => $responseHeaders, "body" => $responseBody, "responseInfo" => $responseInfo);
}
//corresponding to the final request made by cURL for any given call to makeRequest().
$responseHeaderBlocks = array_filter(explode("\r\n\r\n", $rawResponseHeaders));
$lastHeaderBlock = end($responseHeaderBlocks);
//IMP:$headerLines = explode("\r\n", $rawResponseHeaders);
$headerLines = explode("\r\n", $lastHeaderBlock);
$resetedContent_Length = false;
foreach ($headerLines as $header) {
if (stripos($header, "Content-Length") !== false) {
$resetedContent_Length = true;
continue;
}
if (stripos($header, "Transfer-Encoding") === false && stripos($header, "Content-Encoding") === false) {
//curl has decoded content (e.g. gzip;so avoid it)
/*if(stripos($header, "Set-Cookie") === false) {
header($header, true);
}
else header($header, false);*/
header($header, true);
//allow header one more times
}
}
if (isNeedHostReplace($responseInfo["content_type"])) {
$body = hostReplace($responseBody);
} else {
$body = $responseBody;
}
if (isset($resetedContent_Length) and $resetedContent_Length = true) {
header("Content-Length: " . strlen($body));
}
echo $body;
ob_end_flush();
}
if (isset($headers['Content-Disposition'])) {
header('Content-Disposition: ' . $headers['Content-Disposition']);
}
if (!isNeedHostReplace($responseInfo["content_type"])) {
do {
//for big files in view of memory problems
$data = fread($handle, 4096);
echo $data;
if (strlen($data) == 0) {
break;
}
} while (true);
fclose($handle);
} else {
// for small files -> replace URL;e.g. google.com; in view of keywords' break off
$body = "";
do {
$data = fread($handle, 4096);
$body .= $data;
if (strlen($data) == 0) {
break;
}
} while (true);
fclose($handle);
$body = hostReplace($body);
if (isset($headers['Content-Length'])) {
header('Content-Length: ' . (string) strlen($body));
}
echo $body;
}
