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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: CredentialsAbstract.php 20785 2010-01-31 09:43:03Z mikaelkael $
*/
/**
* @see Zend_Http_Client
*/
require_once 'Zend/Http/Client.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
*/
abstract class Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
{
/**
* Development storage account and key
*/
const DEVSTORE_ACCOUNT = "devstoreaccount1";
const DEVSTORE_KEY = "Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==";
/**
* HTTP header prefixes
*/
const PREFIX_PROPERTIES = "x-ms-prop-";
const PREFIX_METADATA = "x-ms-meta-";
const PREFIX_STORAGE_HEADER = "x-ms-";
/**
* Permissions
*/
const PERMISSION_READ = "r";
const PERMISSION_WRITE = "w";
const PERMISSION_DELETE = "d";
const PERMISSION_LIST = "l";
/**
* Account name for Windows Azure
*
* @var string
*/
protected $_accountName = '';
/**
* Account key for Windows Azure
*
* @var string
*/
protected $_accountKey = '';
/**
* Use path-style URI's
*
* @var boolean
*/
protected $_usePathStyleUri = false;
/**
* Creates a new Zend_Service_WindowsAzure_Credentials_CredentialsAbstract instance
*
* @param string $accountName Account name for Windows Azure
* @param string $accountKey Account key for Windows Azure
* @param boolean $usePathStyleUri Use path-style URI's
*/
public function __construct(
$accountName = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_ACCOUNT,
$accountKey = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_KEY,
$usePathStyleUri = false
) {
$this->_accountName = $accountName;
$this->_accountKey = base64_decode($accountKey);
$this->_usePathStyleUri = $usePathStyleUri;
}
/**
* Set account name for Windows Azure
*
* @param string $value
* @return Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
*/
public function setAccountName($value = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_ACCOUNT)
{
$this->_accountName = $value;
return $this;
}
/**
* Set account key for Windows Azure
*
* @param string $value
* @return Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
*/
public function setAccountkey($value = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_KEY)
{
$this->_accountKey = base64_decode($value);
return $this;
}
/**
* Set use path-style URI's
*
* @param boolean $value
* @return Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
*/
public function setUsePathStyleUri($value = false)
{
$this->_usePathStyleUri = $value;
return $this;
}
/**
* 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
*/
abstract public function signRequestUrl(
$requestUrl = '',
$resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
$requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
);
/**
* 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
*/
abstract 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
);
/**
* Prepare query string for signing
*
* @param string $value Original query string
* @return string Query string for signing
*/
protected function _prepareQueryStringForSigning($value)
{
// Check for 'comp='
if (strpos($value, 'comp=') === false) {
// If not found, no query string needed
return '';
} else {
// If found, make sure it is the only parameter being used
if (strlen($value) > 0 && strpos($value, '?') === 0) {
$value = substr($value, 1);
}
// Split parts
$queryParts = explode('&', $value);
foreach ($queryParts as $queryPart) {
if (strpos($queryPart, 'comp=') !== false) {
return '?' . $queryPart;
}
}
// Should never happen...
return '';
}
}
}
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