diff -r 000000000000 -r 4eba9c11703f web/Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,244 @@
+<?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 22773 2010-08-03 07:18:27Z maartenba $
+ */
+
+/**
+ * @see Zend_Http_Client
+ */
+require_once 'Zend/Http/Client.php';
+
+/**
+ * @see Zend_Service_WindowsAzure_Credentials_Exception
+ */
+require_once 'Zend/Service/WindowsAzure/Credentials/Exception.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
+	 * @param mixed  $rawData Raw post data
+	 * @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,
+		$rawData = null
+	);
+	
+	
+	/**
+	 * Prepare query string for signing
+	 * 
+	 * @param  string $value Original query string
+	 * @return string        Query string for signing
+	 */
+	protected function _prepareQueryStringForSigning($value)
+	{
+	    // Return value
+	    $returnValue = array();
+	    
+	    // Prepare query string
+	    $queryParts = $this->_makeArrayOfQueryString($value);
+	    foreach ($queryParts as $key => $value) {
+	    	$returnValue[] = $key . '=' . $value;
+	    }
+	    
+	    // Return
+	    if (count($returnValue) > 0) {
+	    	return '?' . implode('&', $returnValue);
+	    } else {
+	    	return '';
+	    }
+	}
+	
+	/**
+	 * Make array of query string
+	 * 
+	 * @param  string $value Query string
+	 * @return array         Array of key/value pairs
+	 */
+	protected function _makeArrayOfQueryString($value)
+	{
+		// Returnvalue
+		$returnValue = array();
+		
+	    // Remove front ?     
+   		if (strlen($value) > 0 && strpos($value, '?') === 0) {
+    		$value = substr($value, 1);
+    	}
+    		
+    	// Split parts
+    	$queryParts = explode('&', $value);
+    	foreach ($queryParts as $queryPart) {
+    		$queryPart = explode('=', $queryPart, 2);
+    		
+    		if ($queryPart[0] != '') {
+    			$returnValue[ $queryPart[0] ] = isset($queryPart[1]) ? $queryPart[1] : '';
+    		}
+    	}
+    	
+    	// Sort
+    	ksort($returnValue);
+
+    	// Return
+		return $returnValue;
+	}
+	
+	/**
+	 * Returns an array value if the key is set, otherwide returns $valueIfNotSet
+	 * 
+	 * @param array $array
+	 * @param mixed $key
+	 * @param mixed $valueIfNotSet
+	 * @return mixed
+	 */
+	protected function _issetOr($array, $key, $valueIfNotSet)
+	{
+		return isset($array[$key]) ? $array[$key] : $valueIfNotSet;
+	}
+}