Файл: library/Zend/Service/Amazon/Authentication/S3.php
Строк: 111
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Service_Amazon
* @subpackage Authentication
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/**
* @see Zend_Service_Amazon_Authentication
*/
require_once 'Zend/Service/Amazon/Authentication.php';
/**
* @see Zend_Crypt_Hmac
*/
require_once 'Zend/Crypt/Hmac.php';
/**
* @category Zend
* @package Zend_Service_Amazon
* @subpackage Authentication
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Service_Amazon_Authentication_S3 extends Zend_Service_Amazon_Authentication
{
/**
* Add the S3 Authorization signature to the request headers
*
* @param string $method
* @param string $path
* @param array &$headers
* @return string
*/
public function generateSignature($method, $path, &$headers)
{
if (! is_array($headers)) {
$headers = array($headers);
}
$type = $md5 = $date = '';
// Search for the Content-type, Content-MD5 and Date headers
foreach ($headers as $key => $val) {
if (strcasecmp($key, 'content-type') == 0) {
$type = $val;
} else if (strcasecmp($key, 'content-md5') == 0) {
$md5 = $val;
} else if (strcasecmp($key, 'date') == 0) {
$date = $val;
}
}
// If we have an x-amz-date header, use that instead of the normal Date
if (isset($headers['x-amz-date']) && isset($date)) {
$date = '';
}
$sig_str = "$methodn$md5n$typen$daten";
// For x-amz- headers, combine like keys, lowercase them, sort them
// alphabetically and remove excess spaces around values
$amz_headers = array();
foreach ($headers as $key => $val) {
$key = strtolower($key);
if (substr($key, 0, 6) == 'x-amz-') {
if (is_array($val)) {
$amz_headers[$key] = $val;
} else {
$amz_headers[$key][] = preg_replace('/s+/', ' ', $val);
}
}
}
if (!empty($amz_headers)) {
ksort($amz_headers);
foreach ($amz_headers as $key => $val) {
$sig_str .= $key . ':' . implode(',', $val) . "n";
}
}
$sig_str .= '/'.parse_url($path, PHP_URL_PATH);
if (strpos($path, '?location') !== false) {
$sig_str .= '?location';
} else
if (strpos($path, '?acl') !== false) {
$sig_str .= '?acl';
} else
if (strpos($path, '?torrent') !== false) {
$sig_str .= '?torrent';
}
$signature = base64_encode(Zend_Crypt_Hmac::compute($this->_secretKey, 'sha1', utf8_encode($sig_str), Zend_Crypt_Hmac::BINARY));
$headers['Authorization'] = 'AWS ' . $this->_accessKey . ':' . $signature;
return $sig_str;
}
}