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<?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_WindowsAzure
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: SharedKeyLite.php 20785 2010-01-31 09:43:03Z mikaelkael $
*/
/**
* @see Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
*/
require_once 'Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php';
/**
* @see Zend_Service_WindowsAzure_Storage
*/
require_once 'Zend/Service/WindowsAzure/Storage.php';
/**
* @see Zend_Service_WindowsAzure_Credentials_SharedKey
*/
require_once 'Zend/Service/WindowsAzure/Credentials/SharedKey.php';
/**
* @category Zend
* @package Zend_Service_WindowsAzure
* @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_WindowsAzure_Credentials_SharedKeyLite
extends Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
{
/**
* Sign request URL with credentials
*
* @param string $requestUrl Request URL
* @param string $resourceType Resource type
* @param string $requiredPermission Required permission
* @return string Signed request URL
*/
public function signRequestUrl(
$requestUrl = '',
$resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
$requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
) {
return $requestUrl;
}
/**
* Sign request headers with credentials
*
* @param string $httpVerb HTTP verb the request will use
* @param string $path Path for the request
* @param string $queryString Query string for the request
* @param array $headers x-ms headers to add
* @param boolean $forTableStorage Is the request for table storage?
* @param string $resourceType Resource type
* @param string $requiredPermission Required permission
* @return array Array of headers
*/
public function signRequestHeaders(
$httpVerb = Zend_Http_Client::GET,
$path = '/',
$queryString = '',
$headers = null,
$forTableStorage = false,
$resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
$requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
) {
// Determine path
if ($this->_usePathStyleUri) {
$path = substr($path, strpos($path, '/'));
}
// Determine query
$queryString = $this->_prepareQueryStringForSigning($queryString);
// Build canonicalized resource string
$canonicalizedResource = '/' . $this->_accountName;
if ($this->_usePathStyleUri) {
$canonicalizedResource .= '/' . $this->_accountName;
}
$canonicalizedResource .= $path;
if ($queryString !== '') {
$canonicalizedResource .= $queryString;
}
// Request date
$requestDate = '';
if (isset($headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'])) {
$requestDate = $headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'];
} else {
$requestDate = gmdate('D, d M Y H:i:s', time()) . ' GMT'; // RFC 1123
}
// Create string to sign
$stringToSign = array();
$stringToSign[] = $requestDate; // Date
$stringToSign[] = $canonicalizedResource; // Canonicalized resource
$stringToSign = implode("\n", $stringToSign);
$signString = base64_encode(hash_hmac('sha256', $stringToSign, $this->_accountKey, true));
// Sign request
$headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'] = $requestDate;
$headers['Authorization'] = 'SharedKeyLite ' . $this->_accountName . ':' . $signString;
// Return headers
return $headers;
}
}
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