/lib/zend/Zend/Service/WindowsAzure/Storage.php
PHP | 507 lines | 226 code | 56 blank | 225 comment | 30 complexity | abe1a96e35eba7b4ad6e401168973de0 MD5 | raw file
- <?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
- * @subpackage Storage
- * @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 $Id$
- */
- /**
- * @see Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
- */
- require_once 'Zend/Service/WindowsAzure/Credentials/CredentialsAbstract.php';
- /**
- * @see Zend_Service_WindowsAzure_Credentials_SharedKey
- */
- require_once 'Zend/Service/WindowsAzure/Credentials/SharedKey.php';
- /**
- * @see Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract
- */
- require_once 'Zend/Service/WindowsAzure/RetryPolicy/RetryPolicyAbstract.php';
- /**
- * @see Zend_Service_WindowsAzure_Exception
- */
- require_once 'Zend/Service/WindowsAzure/Exception.php';
- /**
- * @see Zend_Http_Client
- */
- require_once 'Zend/Http/Client.php';
- /**
- * @see Zend_Http_Response
- */
- require_once 'Zend/Http/Response.php';
- /**
- * @category Zend
- * @package Zend_Service_WindowsAzure
- * @subpackage Storage
- * @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_Storage
- {
- /**
- * Development storage URLS
- */
- const URL_DEV_BLOB = "127.0.0.1:10000";
- const URL_DEV_QUEUE = "127.0.0.1:10001";
- const URL_DEV_TABLE = "127.0.0.1:10002";
-
- /**
- * Live storage URLS
- */
- const URL_CLOUD_BLOB = "blob.core.windows.net";
- const URL_CLOUD_QUEUE = "queue.core.windows.net";
- const URL_CLOUD_TABLE = "table.core.windows.net";
-
- /**
- * Resource types
- */
- const RESOURCE_UNKNOWN = "unknown";
- const RESOURCE_CONTAINER = "c";
- const RESOURCE_BLOB = "b";
- const RESOURCE_TABLE = "t";
- const RESOURCE_ENTITY = "e";
- const RESOURCE_QUEUE = "q";
-
- /**
- * Current API version
- *
- * @var string
- */
- protected $_apiVersion = '2009-04-14';
-
- /**
- * Storage host name
- *
- * @var string
- */
- protected $_host = '';
-
- /**
- * 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;
-
- /**
- * Zend_Service_WindowsAzure_Credentials_CredentialsAbstract instance
- *
- * @var Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
- */
- protected $_credentials = null;
-
- /**
- * Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract instance
- *
- * @var Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract
- */
- protected $_retryPolicy = null;
-
- /**
- * Zend_Http_Client channel used for communication with REST services
- *
- * @var Zend_Http_Client
- */
- protected $_httpClientChannel = null;
-
- /**
- * Use proxy?
- *
- * @var boolean
- */
- protected $_useProxy = false;
-
- /**
- * Proxy url
- *
- * @var string
- */
- protected $_proxyUrl = '';
-
- /**
- * Proxy port
- *
- * @var int
- */
- protected $_proxyPort = 80;
-
- /**
- * Proxy credentials
- *
- * @var string
- */
- protected $_proxyCredentials = '';
-
- /**
- * Creates a new Zend_Service_WindowsAzure_Storage instance
- *
- * @param string $host Storage host name
- * @param string $accountName Account name for Windows Azure
- * @param string $accountKey Account key for Windows Azure
- * @param boolean $usePathStyleUri Use path-style URI's
- * @param Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract $retryPolicy Retry policy to use when making requests
- */
- public function __construct(
- $host = self::URL_DEV_BLOB,
- $accountName = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_ACCOUNT,
- $accountKey = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::DEVSTORE_KEY,
- $usePathStyleUri = false,
- Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract $retryPolicy = null
- ) {
- $this->_host = $host;
- $this->_accountName = $accountName;
- $this->_accountKey = $accountKey;
- $this->_usePathStyleUri = $usePathStyleUri;
-
- // Using local storage?
- if (!$this->_usePathStyleUri
- && ($this->_host == self::URL_DEV_BLOB
- || $this->_host == self::URL_DEV_QUEUE
- || $this->_host == self::URL_DEV_TABLE)
- ) {
- // Local storage
- $this->_usePathStyleUri = true;
- }
-
- if (is_null($this->_credentials)) {
- $this->_credentials = new Zend_Service_WindowsAzure_Credentials_SharedKey(
- $this->_accountName, $this->_accountKey, $this->_usePathStyleUri);
- }
-
- $this->_retryPolicy = $retryPolicy;
- if (is_null($this->_retryPolicy)) {
- $this->_retryPolicy = Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract::noRetry();
- }
-
- // Setup default Zend_Http_Client channel
- $options = array(
- 'adapter' => 'Zend_Http_Client_Adapter_Proxy'
- );
- if (function_exists('curl_init')) {
- // Set cURL options if cURL is used afterwards
- $options['curloptions'] = array(
- CURLOPT_FOLLOWLOCATION => true,
- CURLOPT_TIMEOUT => 120,
- );
- }
- $this->_httpClientChannel = new Zend_Http_Client(null, $options);
- }
-
- /**
- * Set the HTTP client channel to use
- *
- * @param Zend_Http_Client_Adapter_Interface|string $adapterInstance Adapter instance or adapter class name.
- */
- public function setHttpClientChannel($adapterInstance = 'Zend_Http_Client_Adapter_Proxy')
- {
- $this->_httpClientChannel->setAdapter($adapterInstance);
- }
-
- /**
- * Set retry policy to use when making requests
- *
- * @param Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract $retryPolicy Retry policy to use when making requests
- */
- public function setRetryPolicy(Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract $retryPolicy = null)
- {
- $this->_retryPolicy = $retryPolicy;
- if (is_null($this->_retryPolicy)) {
- $this->_retryPolicy = Zend_Service_WindowsAzure_RetryPolicy_RetryPolicyAbstract::noRetry();
- }
- }
-
- /**
- * Set proxy
- *
- * @param boolean $useProxy Use proxy?
- * @param string $proxyUrl Proxy URL
- * @param int $proxyPort Proxy port
- * @param string $proxyCredentials Proxy credentials
- */
- public function setProxy($useProxy = false, $proxyUrl = '', $proxyPort = 80, $proxyCredentials = '')
- {
- $this->_useProxy = $useProxy;
- $this->_proxyUrl = $proxyUrl;
- $this->_proxyPort = $proxyPort;
- $this->_proxyCredentials = $proxyCredentials;
-
- if ($this->_useProxy) {
- $credentials = explode(':', $this->_proxyCredentials);
- if(!isset($credentials[1])) {
- $credentials[1] = '';
- }
- $this->_httpClientChannel->setConfig(array(
- 'proxy_host' => $this->_proxyUrl,
- 'proxy_port' => $this->_proxyPort,
- 'proxy_user' => $credentials[0],
- 'proxy_pass' => $credentials[1],
- ));
- } else {
- $this->_httpClientChannel->setConfig(array(
- 'proxy_host' => '',
- 'proxy_port' => 8080,
- 'proxy_user' => '',
- 'proxy_pass' => '',
- ));
- }
- }
-
- /**
- * Returns the Windows Azure account name
- *
- * @return string
- */
- public function getAccountName()
- {
- return $this->_accountName;
- }
-
- /**
- * Get base URL for creating requests
- *
- * @return string
- */
- public function getBaseUrl()
- {
- if ($this->_usePathStyleUri) {
- return 'http://' . $this->_host . '/' . $this->_accountName;
- } else {
- return 'http://' . $this->_accountName . '.' . $this->_host;
- }
- }
-
- /**
- * Set Zend_Service_WindowsAzure_Credentials_CredentialsAbstract instance
- *
- * @param Zend_Service_WindowsAzure_Credentials_CredentialsAbstract $credentials Zend_Service_WindowsAzure_Credentials_CredentialsAbstract instance to use for request signing.
- */
- public function setCredentials(Zend_Service_WindowsAzure_Credentials_CredentialsAbstract $credentials)
- {
- $this->_credentials = $credentials;
- $this->_credentials->setAccountName($this->_accountName);
- $this->_credentials->setAccountkey($this->_accountKey);
- $this->_credentials->setUsePathStyleUri($this->_usePathStyleUri);
- }
-
- /**
- * Get Zend_Service_WindowsAzure_Credentials_CredentialsAbstract instance
- *
- * @return Zend_Service_WindowsAzure_Credentials_CredentialsAbstract
- */
- public function getCredentials()
- {
- return $this->_credentials;
- }
-
- /**
- * Perform request using Zend_Http_Client channel
- *
- * @param string $path Path
- * @param string $queryString Query string
- * @param string $httpVerb HTTP verb the request will use
- * @param array $headers x-ms headers to add
- * @param boolean $forTableStorage Is the request for table storage?
- * @param mixed $rawData Optional RAW HTTP data to be sent over the wire
- * @param string $resourceType Resource type
- * @param string $requiredPermission Required permission
- * @return Zend_Http_Response
- */
- protected function _performRequest(
- $path = '/',
- $queryString = '',
- $httpVerb = Zend_Http_Client::GET,
- $headers = array(),
- $forTableStorage = false,
- $rawData = null,
- $resourceType = Zend_Service_WindowsAzure_Storage::RESOURCE_UNKNOWN,
- $requiredPermission = Zend_Service_WindowsAzure_Credentials_CredentialsAbstract::PERMISSION_READ
- ) {
- // Clean path
- if (strpos($path, '/') !== 0) {
- $path = '/' . $path;
- }
-
- // Clean headers
- if (is_null($headers)) {
- $headers = array();
- }
-
- // Ensure cUrl will also work correctly:
- // - disable Content-Type if required
- // - disable Expect: 100 Continue
- if (!isset($headers["Content-Type"])) {
- $headers["Content-Type"] = '';
- }
- $headers["Expect"]= '';
- // Add version header
- $headers['x-ms-version'] = $this->_apiVersion;
-
- // URL encoding
- $path = self::urlencode($path);
- $queryString = self::urlencode($queryString);
- // Generate URL and sign request
- $requestUrl = $this->_credentials
- ->signRequestUrl($this->getBaseUrl() . $path . $queryString, $resourceType, $requiredPermission);
- $requestHeaders = $this->_credentials
- ->signRequestHeaders($httpVerb, $path, $queryString, $headers, $forTableStorage, $resourceType, $requiredPermission);
- // Prepare request
- $this->_httpClientChannel->resetParameters(true);
- $this->_httpClientChannel->setUri($requestUrl);
- $this->_httpClientChannel->setHeaders($requestHeaders);
- $this->_httpClientChannel->setRawData($rawData);
-
- // Execute request
- $response = $this->_retryPolicy->execute(
- array($this->_httpClientChannel, 'request'),
- array($httpVerb)
- );
-
- return $response;
- }
-
- /**
- * Parse result from Zend_Http_Response
- *
- * @param Zend_Http_Response $response Response from HTTP call
- * @return object
- * @throws Zend_Service_WindowsAzure_Exception
- */
- protected function _parseResponse(Zend_Http_Response $response = null)
- {
- if (is_null($response)) {
- throw new Zend_Service_WindowsAzure_Exception('Response should not be null.');
- }
-
- $xml = @simplexml_load_string($response->getBody());
-
- if ($xml !== false) {
- // Fetch all namespaces
- $namespaces = array_merge($xml->getNamespaces(true), $xml->getDocNamespaces(true));
-
- // Register all namespace prefixes
- foreach ($namespaces as $prefix => $ns) {
- if ($prefix != '') {
- $xml->registerXPathNamespace($prefix, $ns);
- }
- }
- }
-
- return $xml;
- }
-
- /**
- * Generate metadata headers
- *
- * @param array $metadata
- * @return HTTP headers containing metadata
- */
- protected function _generateMetadataHeaders($metadata = array())
- {
- // Validate
- if (!is_array($metadata)) {
- return array();
- }
-
- // Return headers
- $headers = array();
- foreach ($metadata as $key => $value) {
- if (strpos($value, "\r") !== false || strpos($value, "\n") !== false) {
- throw new Zend_Service_WindowsAzure_Exception('Metadata cannot contain newline characters.');
- }
- $headers["x-ms-meta-" . strtolower($key)] = $value;
- }
- return $headers;
- }
-
- /**
- * Parse metadata errors
- *
- * @param array $headers HTTP headers containing metadata
- * @return array
- */
- protected function _parseMetadataHeaders($headers = array())
- {
- // Validate
- if (!is_array($headers)) {
- return array();
- }
-
- // Return metadata
- $metadata = array();
- foreach ($headers as $key => $value) {
- if (substr(strtolower($key), 0, 10) == "x-ms-meta-") {
- $metadata[str_replace("x-ms-meta-", '', strtolower($key))] = $value;
- }
- }
- return $metadata;
- }
-
- /**
- * Generate ISO 8601 compliant date string in UTC time zone
- *
- * @param int $timestamp
- * @return string
- */
- public function isoDate($timestamp = null)
- {
- $tz = @date_default_timezone_get();
- @date_default_timezone_set('UTC');
-
- if (is_null($timestamp)) {
- $timestamp = time();
- }
-
- $returnValue = str_replace('+00:00', '.0000000Z', @date('c', $timestamp));
- @date_default_timezone_set($tz);
- return $returnValue;
- }
-
- /**
- * URL encode function
- *
- * @param string $value Value to encode
- * @return string Encoded value
- */
- public static function urlencode($value)
- {
- return str_replace(' ', '%20', $value);
- }
- }