web/lib/Zend/Service/WindowsAzure/Credentials/SharedKey.php
changeset 64 162c1de6545a
parent 19 1c2f13fd785c
child 68 ecaf28ffe26e
equal deleted inserted replaced
63:5b37998e522e 64:162c1de6545a
       
     1 <?php
       
     2 /**
       
     3  * Zend Framework
       
     4  *
       
     5  * LICENSE
       
     6  *
       
     7  * This source file is subject to the new BSD license that is bundled
       
     8  * with this package in the file LICENSE.txt.
       
     9  * It is also available through the world-wide-web at this URL:
       
    10  * http://framework.zend.com/license/new-bsd
       
    11  * If you did not receive a copy of the license and are unable to
       
    12  * obtain it through the world-wide-web, please send an email
       
    13  * to license@zend.com so we can send you a copy immediately.
       
    14  *
       
    15  * @category   Zend
       
    16  * @package    Zend_Service_WindowsAzure
       
    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
       
    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License
       
    19  * @version    $Id: SharedKey.php 23167 2010-10-19 17:53:31Z mabe $
       
    20  */
       
    21 
       
    22 /**
       
    23  * @see Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
       
    24  */
       
    25 require_once 'Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php';
       
    26 
       
    27 /**
       
    28  * @see Zend_Service_WindowsAzure_Storage
       
    29  */
       
    30 require_once 'Zend/Service/WindowsAzure/Storage.php';
       
    31 
       
    32 /**
       
    33  * @see Zend_Http_Client
       
    34  */
       
    35 require_once 'Zend/Http/Client.php';
       
    36 
       
    37 /**
       
    38  * @see Zend_Service_WindowsAzure_Credentials_Exception
       
    39  */
       
    40 require_once 'Zend/Service/WindowsAzure/Credentials/Exception.php';
       
    41 
       
    42 /**
       
    43  * @category   Zend
       
    44  * @package    Zend_Service_WindowsAzure
       
    45  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
       
    46  * @license    http://framework.zend.com/license/new-bsd     New BSD License
       
    47  */ 
       
    48 class Zend_Service_WindowsAzure_Credentials_SharedKey
       
    49     extends Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
       
    50 {
       
    51     /**
       
    52 	 * Sign request URL with credentials
       
    53 	 *
       
    54 	 * @param string $requestUrl Request URL
       
    55 	 * @param string $resourceType Resource type
       
    56 	 * @param string $requiredPermission Required permission
       
    57 	 * @return string Signed request URL
       
    58 	 */
       
    59 	public function signRequestUrl(
       
    60 		$requestUrl = '',
       
    61 		$resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
       
    62 		$requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
       
    63 	) {
       
    64 	    return $requestUrl;
       
    65 	}
       
    66 	
       
    67 	/**
       
    68 	 * Sign request headers with credentials
       
    69 	 *
       
    70 	 * @param string $httpVerb HTTP verb the request will use
       
    71 	 * @param string $path Path for the request
       
    72 	 * @param string $queryString Query string for the request
       
    73 	 * @param array $headers x-ms headers to add
       
    74 	 * @param boolean $forTableStorage Is the request for table storage?
       
    75 	 * @param string $resourceType Resource type
       
    76 	 * @param string $requiredPermission Required permission
       
    77 	 * @param mixed  $rawData Raw post data
       
    78 	 * @return array Array of headers
       
    79 	 */
       
    80 	public function signRequestHeaders(
       
    81 		$httpVerb = Zend_Http_Client::GET,
       
    82 		$path = '/',
       
    83 		$queryString = '',
       
    84 		$headers = null,
       
    85 		$forTableStorage = false,
       
    86 		$resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
       
    87 		$requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ,
       
    88 		$rawData = null
       
    89 	) {
       
    90 		// http://github.com/sriramk/winazurestorage/blob/214010a2f8931bac9c96dfeb337d56fe084ca63b/winazurestorage.py
       
    91 
       
    92 		// Table storage?
       
    93 		if ($forTableStorage) {
       
    94 			throw new Zend_Service_WindowsAzure_Credentials_Exception('The Windows Azure SDK for PHP does not support SharedKey authentication on table storage. Use SharedKeyLite authentication instead.');
       
    95 		}
       
    96 		
       
    97 		// Determine path
       
    98 		if ($this->_usePathStyleUri) {
       
    99 			$path = substr($path, strpos($path, '/'));
       
   100 		}
       
   101 
       
   102 		// Determine query
       
   103 		$queryString = $this->_prepareQueryStringForSigning($queryString);
       
   104 	
       
   105 		// Canonicalized headers
       
   106 		$canonicalizedHeaders = array();
       
   107 		
       
   108 		// Request date
       
   109 		$requestDate = '';
       
   110 		if (isset($headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'])) {
       
   111 		    $requestDate = $headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'];
       
   112 		} else {
       
   113 		    $requestDate = gmdate('D, d M Y H:i:s', time()) . ' GMT'; // RFC 1123
       
   114 		    $canonicalizedHeaders[] = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date:' . $requestDate;
       
   115 		}
       
   116 		
       
   117 		// Build canonicalized headers
       
   118 		if ($headers !== null) {
       
   119 			foreach ($headers as $header => $value) {
       
   120 				if (is_bool($value)) {
       
   121 					$value = $value === true ? 'True' : 'False';
       
   122 				}
       
   123 
       
   124 				$headers[$header] = $value;
       
   125 				if (substr($header, 0, strlen(Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER)) == Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER) {
       
   126 				    $canonicalizedHeaders[] = strtolower($header) . ':' . $value;
       
   127 				}
       
   128 			}
       
   129 		}
       
   130 		sort($canonicalizedHeaders);
       
   131 
       
   132 		// Build canonicalized resource string
       
   133 		$canonicalizedResource  = '/' . $this->_accountName;
       
   134 		if ($this->_usePathStyleUri) {
       
   135 			$canonicalizedResource .= '/' . $this->_accountName;
       
   136 		}
       
   137 		$canonicalizedResource .= $path;
       
   138 		if ($queryString !== '') {
       
   139 		    $queryStringItems = $this->_makeArrayOfQueryString($queryString);
       
   140 		    foreach ($queryStringItems as $key => $value) {
       
   141 		    	$canonicalizedResource .= "\n" . strtolower($key) . ':' . $value;
       
   142 		    }
       
   143 		}
       
   144 		
       
   145 		// Content-Length header
       
   146 		$contentLength = '';
       
   147 		if (strtoupper($httpVerb) != Zend_Http_Client::GET
       
   148 			 && strtoupper($httpVerb) != Zend_Http_Client::DELETE
       
   149 			 && strtoupper($httpVerb) != Zend_Http_Client::HEAD) {
       
   150 			$contentLength = 0;
       
   151 			
       
   152 			if ($rawData !== null) {
       
   153 				$contentLength = strlen($rawData);
       
   154 			}
       
   155 		}
       
   156 
       
   157 		// Create string to sign   
       
   158 		$stringToSign   = array();
       
   159 		$stringToSign[] = strtoupper($httpVerb); 									// VERB
       
   160     	$stringToSign[] = $this->_issetOr($headers, 'Content-Encoding', '');		// Content-Encoding
       
   161     	$stringToSign[] = $this->_issetOr($headers, 'Content-Language', '');		// Content-Language
       
   162     	$stringToSign[] = $contentLength; 											// Content-Length
       
   163     	$stringToSign[] = $this->_issetOr($headers, 'Content-MD5', '');				// Content-MD5
       
   164     	$stringToSign[] = $this->_issetOr($headers, 'Content-Type', '');			// Content-Type
       
   165     	$stringToSign[] = "";														// Date
       
   166     	$stringToSign[] = $this->_issetOr($headers, 'If-Modified-Since', '');		// If-Modified-Since
       
   167     	$stringToSign[] = $this->_issetOr($headers, 'If-Match', '');				// If-Match
       
   168     	$stringToSign[] = $this->_issetOr($headers, 'If-None-Match', '');			// If-None-Match
       
   169     	$stringToSign[] = $this->_issetOr($headers, 'If-Unmodified-Since', '');		// If-Unmodified-Since
       
   170     	$stringToSign[] = $this->_issetOr($headers, 'Range', '');					// Range
       
   171     	
       
   172     	if (!$forTableStorage && count($canonicalizedHeaders) > 0) {
       
   173     		$stringToSign[] = implode("\n", $canonicalizedHeaders); // Canonicalized headers
       
   174     	}
       
   175     		
       
   176     	$stringToSign[] = $canonicalizedResource;		 			// Canonicalized resource
       
   177     	$stringToSign   = implode("\n", $stringToSign);
       
   178     	$signString     = base64_encode(hash_hmac('sha256', $stringToSign, $this->_accountKey, true));
       
   179 
       
   180     	// Sign request
       
   181     	$headers[Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PREFIX_STORAGE_HEADER . 'date'] = $requestDate;
       
   182     	$headers['Authorization'] = 'SharedKey ' . $this->_accountName . ':' . $signString;
       
   183     	
       
   184     	// Return headers
       
   185     	return $headers;
       
   186 	}
       
   187 }