C:/xampp/htdocs/moodle/lib/zend/Zend/Service/WindowsAzure/Credentials/SharedKeyLite.php

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<?php
require_once 'Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php';

require_once 'Zend/Service/WindowsAzure/Storage.php';

require_once 'Zend/Service/WindowsAzure/Credentials/SharedKey.php';

class Zend_Service_WindowsAzure_Credentials_SharedKeyLite
    extends Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
{
        public function signRequestUrl(
                $requestUrl = '',
                $resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
                $requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
        ) {
            return $requestUrl;
        }
        
        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;
        }
}