/Service/Amazon/Authentication/S3.php
PHP | 112 lines | 56 code | 12 blank | 44 comment | 19 complexity | 411c011b033e6e8d84b3bff79efb92f5 MD5 | raw file
- <?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) 2005-2011 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) 2005-2011 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 = '';
- }
- $sig_str = "$method\n$md5\n$type\n$date\n";
- // 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;
- }
- }