Andrej Cimperšek - diploma

<?php

// enter your Amazon S3 secret key and access key here:

$accessKey = "access key";

$secretAccessKey = "secret access key";

$TARGET_WS = "http://s3.amazonaws.com";

ob_start();

require_once 'Crypt/HMAC.php';

require_once 'HTTP/Request.php';

$method = $_SERVER["REQUEST_METHOD"];

if ($method == "PUT") {

	$contentType = $_SERVER['CONTENT_TYPE'];

}

else {

	$contentType ='';

}

$resource = str_replace($TARGET_WS, '', $_REQUEST['url']);

$queryIndex = strpos($resource,'?'); // remove the query string

if ($queryIndex) {

	$resource = substr($resource,0,$queryIndex);

}

if (substr($resource,strlen($resource)-1,strlen($resource)) == '/') {

	// remove the last slash

	$resource = substr($resource,0,strlen($resource)-1);

}

$content = file_get_contents('php://input');

$httpDate = gmdate("D, d M Y H:i:s T");

$acl = "private";

$stringToSign = "$method\n\n$contentType\n$httpDate\nx-amz-acl:$acl\n$resource";

$hashObj =& new Crypt_HMAC($secretAccessKey, "sha1");

$signature = hexTob64($hashObj->hash($stringToSign));

$req =& new HTTP_Request($TARGET_WS . $resource);

$req->setMethod($method);

$req->addHeader("content-type", $contentType);

$req->addHeader("Date", $httpDate);

$req->addHeader("x-amz-acl", $acl);

$req->addHeader("Authorization", "AWS " . $accessKey . ":" . $signature);

if ($content != "") {

	$req->setBody($content);

}

$req->sendRequest();

$contentType = $req->getResponseHeader("content-type");

header("content-type: $contentType");

header('HTTP/1.1 ' . $req->getResponseCode() . ' Ok');

ob_end_flush();

$content = $req->getResponseBody();

if ($content) {

	print($content);

}

else {

	print("\"success\"");

}

function hexTob64($str) {

    $raw = '';

    for ($i=0; $i < strlen($str); $i+=2) {

        $raw .= chr(hexdec(substr($str, $i, 2)));

    }

    return base64_encode($raw);

}

?>