2321 lines
77 KiB
PHP
2321 lines
77 KiB
PHP
<?php
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/**
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* This is the PHP Cloud Files API.
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*
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* <code>
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* # Authenticate to Cloud Files. The default is to automatically try
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* # to re-authenticate if an authentication token expires.
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* #
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* # NOTE: Some versions of cURL include an outdated certificate authority (CA)
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* # file. This API ships with a newer version obtained directly from
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* # cURL's web site (http://curl.haxx.se). To use the newer CA bundle,
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* # call the CF_Authentication instance's 'ssl_use_cabundle()' method.
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* #
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* $auth = new CF_Authentication($username, $api_key);
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* # $auth->ssl_use_cabundle(); # bypass cURL's old CA bundle
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* $auth->authenticate();
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*
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* # Establish a connection to the storage system
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* #
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* # NOTE: Some versions of cURL include an outdated certificate authority (CA)
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* # file. This API ships with a newer version obtained directly from
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* # cURL's web site (http://curl.haxx.se). To use the newer CA bundle,
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* # call the CF_Connection instance's 'ssl_use_cabundle()' method.
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* #
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* $conn = new CF_Connection($auth);
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* # $conn->ssl_use_cabundle(); # bypass cURL's old CA bundle
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*
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* # Create a remote Container and storage Object
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* #
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* $images = $conn->create_container("photos");
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* $bday = $images->create_object("first_birthday.jpg");
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*
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* # Upload content from a local file by streaming it. Note that we use
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* # a "float" for the file size to overcome PHP's 32-bit integer limit for
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* # very large files.
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* #
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* $fname = "/home/user/photos/birthdays/birthday1.jpg"; # filename to upload
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* $size = (float) sprintf("%u", filesize($fname));
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* $fp = open($fname, "r");
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* $bday->write($fp, $size);
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*
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* # Or... use a convenience function instead
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* #
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* $bday->load_from_filename("/home/user/photos/birthdays/birthday1.jpg");
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*
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* # Now, publish the "photos" container to serve the images by CDN.
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* # Use the "$uri" value to put in your web pages or send the link in an
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* # email message, etc.
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* #
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* $uri = $images->make_public();
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*
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* # Or... print out the Object's public URI
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* #
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* print $bday->public_uri();
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* </code>
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*
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* See the included tests directory for additional sample code.
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*
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* Requres PHP 5.x (for Exceptions and OO syntax) and PHP's cURL module.
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*
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* It uses the supporting "cloudfiles_http.php" module for HTTP(s) support and
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* allows for connection re-use and streaming of content into/out of Cloud Files
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* via PHP's cURL module.
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*
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* See COPYING for license information.
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*
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* @author Eric "EJ" Johnson <ej@racklabs.com>
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* @copyright Copyright (c) 2008, Rackspace US, Inc.
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*/
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require_once 'cloudfiles_exceptions.php';
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require 'cloudfiles_http.php';
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define('DEFAULT_CF_API_VERSION', 1);
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define('MAX_CONTAINER_NAME_LEN', 256);
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define('MAX_OBJECT_NAME_LEN', 1024);
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define('MAX_OBJECT_SIZE', 5 * 1024 * 1024 * 1024 + 1);
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define('US_AUTHURL', 'https://auth.api.rackspacecloud.com');
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define('UK_AUTHURL', 'https://lon.auth.api.rackspacecloud.com');
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/**
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* Class for handling Cloud Files Authentication, call it's {@link authenticate()}
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* method to obtain authorized service urls and an authentication token.
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*
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* Example:
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* <code>
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* # Create the authentication instance
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* #
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* $auth = new CF_Authentication("username", "api_key");
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*
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* # NOTE: For UK Customers please specify your AuthURL Manually
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* # There is a Predfined constant to use EX:
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* #
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* # $auth = new CF_Authentication("username, "api_key", NULL, UK_AUTHURL);
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* # Using the UK_AUTHURL keyword will force the api to use the UK AuthUrl.
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* # rather then the US one. The NULL Is passed for legacy purposes and must
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* # be passed to function correctly.
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*
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* # NOTE: Some versions of cURL include an outdated certificate authority (CA)
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* # file. This API ships with a newer version obtained directly from
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* # cURL's web site (http://curl.haxx.se). To use the newer CA bundle,
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* # call the CF_Authentication instance's 'ssl_use_cabundle()' method.
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* #
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* # $auth->ssl_use_cabundle(); # bypass cURL's old CA bundle
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*
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* # Perform authentication request
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* #
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* $auth->authenticate();
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* </code>
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*/
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class CF_Authentication
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{
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public $dbug;
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public $username;
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public $api_key;
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public $auth_host;
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public $account;
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/**
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* Instance variables that are set after successful authentication.
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*/
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public $storage_url;
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public $cdnm_url;
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public $auth_token;
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/**
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* Class constructor (PHP 5 syntax).
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*
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* @param string $username Mosso username
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* @param string $api_key Mosso API Access Key
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* @param string $account <i>Account name</i>
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* @param string $auth_host <i>Authentication service URI</i>
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*/
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public function __construct($username = null, $api_key = null, $account = null, $auth_host = US_AUTHURL)
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{
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$this->dbug = false;
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$this->username = $username;
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$this->api_key = $api_key;
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$this->account_name = $account;
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$this->auth_host = $auth_host;
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$this->storage_url = null;
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$this->cdnm_url = null;
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$this->auth_token = null;
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$this->cfs_http = new CF_Http(DEFAULT_CF_API_VERSION);
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}
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/**
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* Use the Certificate Authority bundle included with this API.
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*
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* Most versions of PHP with cURL support include an outdated Certificate
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* Authority (CA) bundle (the file that lists all valid certificate
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* signing authorities). The SSL certificates used by the Cloud Files
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* storage system are perfectly valid but have been created/signed by
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* a CA not listed in these outdated cURL distributions.
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*
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* As a work-around, we've included an updated CA bundle obtained
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* directly from cURL's web site (http://curl.haxx.se). You can direct
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* the API to use this CA bundle by calling this method prior to making
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* any remote calls. The best place to use this method is right after
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* the CF_Authentication instance has been instantiated.
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*
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* You can specify your own CA bundle by passing in the full pathname
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* to the bundle. You can use the included CA bundle by leaving the
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* argument blank.
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*
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* @param string $path Specify path to CA bundle (default to included)
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*/
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public function ssl_use_cabundle($path = null)
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{
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$this->cfs_http->ssl_use_cabundle($path);
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}
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/**
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* Attempt to validate Username/API Access Key.
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*
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* Attempts to validate credentials with the authentication service. It
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* either returns <kbd>True</kbd> or throws an Exception. Accepts a single
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* (optional) argument for the storage system API version.
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*
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* Example:
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* <code>
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* # Create the authentication instance
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* #
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* $auth = new CF_Authentication("username", "api_key");
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*
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* # Perform authentication request
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* #
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* $auth->authenticate();
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* </code>
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*
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* @param string $version API version for Auth service (optional)
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*
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* @throws AuthenticationException invalid credentials
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* @throws InvalidResponseException invalid response
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*
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* @return bool <kbd>True</kbd> if successfully authenticated
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*/
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public function authenticate($version = DEFAULT_CF_API_VERSION)
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{
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list($status, $reason, $surl, $curl, $atoken) =
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$this->cfs_http->authenticate($this->username, $this->api_key,
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$this->account_name, $this->auth_host);
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if ($status == 401) {
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throw new AuthenticationException('Invalid username or access key.');
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}
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if ($status != 204) {
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throw new InvalidResponseException(
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'Unexpected response ('.$status.'): '.$reason);
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}
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if (!($surl || $curl) || !$atoken) {
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throw new InvalidResponseException(
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'Expected headers missing from auth service.');
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}
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$this->storage_url = $surl;
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$this->cdnm_url = $curl;
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$this->auth_token = $atoken;
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return true;
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}
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/**
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* Use Cached Token and Storage URL's rather then grabbing from the Auth System.
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*
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* Example:
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* <code>
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* #Create an Auth instance
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* $auth = new CF_Authentication();
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* #Pass Cached URL's and Token as Args
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* $auth->load_cached_credentials("auth_token", "storage_url", "cdn_management_url");
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* </code>
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*
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* @param string $auth_token A Cloud Files Auth Token (Required)
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* @param string $storage_url The Cloud Files Storage URL (Required)
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* @param string $cdnm_url CDN Management URL (Required)
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*
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* @throws SyntaxException If any of the Required Arguments are missing
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*
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* @return bool <kbd>True</kbd> if successful
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*/
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public function load_cached_credentials($auth_token, $storage_url, $cdnm_url)
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{
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if (!$storage_url || !$cdnm_url) {
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throw new SyntaxException("Missing Required Interface URL's!");
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}
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if (!$auth_token) {
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throw new SyntaxException('Missing Auth Token!');
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}
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$this->storage_url = $storage_url;
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$this->cdnm_url = $cdnm_url;
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$this->auth_token = $auth_token;
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return true;
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}
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/**
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* Grab Cloud Files info to be Cached for later use with the load_cached_credentials method.
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*
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* Example:
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* <code>
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* #Create an Auth instance
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* $auth = new CF_Authentication("UserName","API_Key");
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* $auth->authenticate();
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* $array = $auth->export_credentials();
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* </code>
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*
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* @return array of url's and an auth token.
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*/
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public function export_credentials()
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{
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$arr = [];
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$arr['storage_url'] = $this->storage_url;
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$arr['cdnm_url'] = $this->cdnm_url;
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$arr['auth_token'] = $this->auth_token;
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return $arr;
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}
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/**
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* Make sure the CF_Authentication instance has authenticated.
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*
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* Ensures that the instance variables necessary to communicate with
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* Cloud Files have been set from a previous authenticate() call.
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*
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* @return bool <kbd>True</kbd> if successfully authenticated
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*/
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public function authenticated()
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{
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if (!($this->storage_url || $this->cdnm_url) || !$this->auth_token) {
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return false;
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}
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return true;
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}
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/**
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* Toggle debugging - set cURL verbose flag.
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*/
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public function setDebug($bool)
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{
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$this->dbug = $bool;
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$this->cfs_http->setDebug($bool);
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}
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}
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/**
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* Class for establishing connections to the Cloud Files storage system.
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* Connection instances are used to communicate with the storage system at
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* the account level; listing and deleting Containers and returning Container
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* instances.
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*
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* Example:
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* <code>
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* # Create the authentication instance
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* #
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* $auth = new CF_Authentication("username", "api_key");
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*
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* # Perform authentication request
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* #
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* $auth->authenticate();
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*
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* # Create a connection to the storage/cdn system(s) and pass in the
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* # validated CF_Authentication instance.
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* #
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* $conn = new CF_Connection($auth);
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*
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* # NOTE: Some versions of cURL include an outdated certificate authority (CA)
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* # file. This API ships with a newer version obtained directly from
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* # cURL's web site (http://curl.haxx.se). To use the newer CA bundle,
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* # call the CF_Authentication instance's 'ssl_use_cabundle()' method.
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* #
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* # $conn->ssl_use_cabundle(); # bypass cURL's old CA bundle
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* </code>
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*/
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class CF_Connection
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{
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public $dbug;
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public $cfs_http;
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public $cfs_auth;
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/**
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* Pass in a previously authenticated CF_Authentication instance.
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*
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* Example:
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* <code>
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* # Create the authentication instance
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* #
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* $auth = new CF_Authentication("username", "api_key");
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*
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* # Perform authentication request
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* #
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* $auth->authenticate();
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*
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* # Create a connection to the storage/cdn system(s) and pass in the
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* # validated CF_Authentication instance.
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* #
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* $conn = new CF_Connection($auth);
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*
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* # If you are connecting via Rackspace servers and have access
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* # to the servicenet network you can set the $servicenet to True
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* # like this.
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*
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* $conn = new CF_Connection($auth, $servicenet=True);
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*
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* </code>
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*
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* If the environement variable RACKSPACE_SERVICENET is defined it will
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* force to connect via the servicenet.
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*
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* @param obj $cfs_auth previously authenticated CF_Authentication instance
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* @param bool $servicenet enable/disable access via Rackspace servicenet.
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*
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* @throws AuthenticationException not authenticated
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*/
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public function __construct($cfs_auth, $servicenet = false)
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{
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if (isset($_ENV['RACKSPACE_SERVICENET'])) {
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$servicenet = true;
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}
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$this->cfs_http = new CF_Http(DEFAULT_CF_API_VERSION);
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$this->cfs_auth = $cfs_auth;
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if (!$this->cfs_auth->authenticated()) {
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$e = 'Need to pass in a previously authenticated ';
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$e .= 'CF_Authentication instance.';
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throw new AuthenticationException($e);
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}
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$this->cfs_http->setCFAuth($this->cfs_auth, $servicenet = $servicenet);
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$this->dbug = false;
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}
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/**
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* Toggle debugging of instance and back-end HTTP module.
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*
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* @param bool $bool enable/disable cURL debugging
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*/
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public function setDebug($bool)
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{
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$this->dbug = (bool) $bool;
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$this->cfs_http->setDebug($this->dbug);
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}
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/**
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* Close a connection.
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*
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* Example:
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* <code>
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*
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* $conn->close();
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*
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* </code>
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*
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* Will close all current cUrl active connections.
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*/
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public function close()
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{
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$this->cfs_http->close();
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}
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/**
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* Cloud Files account information.
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*
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* Return an array of two floats (since PHP only supports 32-bit integers);
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* number of containers on the account and total bytes used for the account.
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*
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* Example:
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* <code>
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* # ... authentication code excluded (see previous examples) ...
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* #
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* $conn = new CF_Authentication($auth);
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*
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* list($quantity, $bytes) = $conn->get_info();
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* print "Number of containers: " . $quantity . "\n";
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* print "Bytes stored in container: " . $bytes . "\n";
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* </code>
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*
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* @throws InvalidResponseException unexpected response
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*
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* @return array (number of containers, total bytes stored)
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*/
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public function get_info()
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{
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list($status, $reason, $container_count, $total_bytes) =
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$this->cfs_http->head_account();
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//if ($status == 401 && $this->_re_auth()) {
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// return $this->get_info();
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//}
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if ($status < 200 || $status > 299) {
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throw new InvalidResponseException(
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'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
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}
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return [$container_count, $total_bytes];
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}
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|
/**
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* Create a Container.
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*
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* Given a Container name, return a Container instance, creating a new
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* remote Container if it does not exit.
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|
*
|
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* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
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* #
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* $conn = new CF_Authentication($auth);
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*
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* $images = $conn->create_container("my photos");
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* </code>
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|
*
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* @param string $container_name container name
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|
*
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* @throws SyntaxException invalid name
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* @throws InvalidResponseException unexpected response
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*
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* @return CF_Container
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*/
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|
public function create_container($container_name = null)
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{
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if ($container_name != '0' and !isset($container_name)) {
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throw new SyntaxException('Container name not set.');
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}
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if (!isset($container_name) or $container_name == '') {
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throw new SyntaxException('Container name not set.');
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}
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if (strpos($container_name, '/') !== false) {
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$r = "Container name '".$container_name;
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$r .= "' cannot contain a '/' character.";
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throw new SyntaxException($r);
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}
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if (strlen($container_name) > MAX_CONTAINER_NAME_LEN) {
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throw new SyntaxException(sprintf(
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'Container name exeeds %d bytes.',
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MAX_CONTAINER_NAME_LEN));
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}
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$return_code = $this->cfs_http->create_container($container_name);
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if (!$return_code) {
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throw new InvalidResponseException('Invalid response ('
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.$return_code.'): '.$this->cfs_http->get_error());
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}
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//if ($status == 401 && $this->_re_auth()) {
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// return $this->create_container($container_name);
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//}
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if ($return_code != 201 && $return_code != 202) {
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throw new InvalidResponseException(
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'Invalid response ('.$return_code.'): '
|
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.$this->cfs_http->get_error());
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}
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return new CF_Container($this->cfs_auth, $this->cfs_http, $container_name);
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}
|
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|
|
/**
|
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* Delete a Container.
|
|
*
|
|
* Given either a Container instance or name, remove the remote Container.
|
|
* The Container must be empty prior to removing it.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $conn->delete_container("my photos");
|
|
* </code>
|
|
*
|
|
* @param string|obj $container container name or instance
|
|
*
|
|
* @throws SyntaxException missing proper argument
|
|
* @throws InvalidResponseException invalid response
|
|
* @throws NonEmptyContainerException container not empty
|
|
* @throws NoSuchContainerException remote container does not exist
|
|
*
|
|
* @return bool <kbd>True</kbd> if successfully deleted
|
|
*/
|
|
public function delete_container($container = null)
|
|
{
|
|
$container_name = null;
|
|
|
|
if (is_object($container)) {
|
|
if (get_class($container) == 'CF_Container') {
|
|
$container_name = $container->name;
|
|
}
|
|
}
|
|
if (is_string($container)) {
|
|
$container_name = $container;
|
|
}
|
|
|
|
if ($container_name != '0' and !isset($container_name)) {
|
|
throw new SyntaxException('Must specify container object or name.');
|
|
}
|
|
|
|
$return_code = $this->cfs_http->delete_container($container_name);
|
|
|
|
if (!$return_code) {
|
|
throw new InvalidResponseException('Failed to obtain http response');
|
|
}
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->delete_container($container);
|
|
//}
|
|
if ($return_code == 409) {
|
|
throw new NonEmptyContainerException(
|
|
'Container must be empty prior to removing it.');
|
|
}
|
|
if ($return_code == 404) {
|
|
throw new NoSuchContainerException(
|
|
'Specified container did not exist to delete.');
|
|
}
|
|
if ($return_code != 204) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$return_code.'): '
|
|
.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return a Container instance.
|
|
*
|
|
* For the given name, return a Container instance if the remote Container
|
|
* exists, otherwise throw a Not Found exception.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $images = $conn->get_container("my photos");
|
|
* print "Number of Objects: " . $images->count . "\n";
|
|
* print "Bytes stored in container: " . $images->bytes . "\n";
|
|
* </code>
|
|
*
|
|
* @param string $container_name name of the remote Container
|
|
*
|
|
* @throws NoSuchContainerException thrown if no remote Container
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return container CF_Container instance
|
|
*/
|
|
public function get_container($container_name = null)
|
|
{
|
|
list($status, $reason, $count, $bytes) =
|
|
$this->cfs_http->head_container($container_name);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->get_container($container_name);
|
|
//}
|
|
if ($status == 404) {
|
|
throw new NoSuchContainerException('Container not found.');
|
|
}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response: '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return new CF_Container($this->cfs_auth, $this->cfs_http,
|
|
$container_name, $count, $bytes);
|
|
}
|
|
|
|
/**
|
|
* Return array of Container instances.
|
|
*
|
|
* Return an array of CF_Container instances on the account. The instances
|
|
* will be fully populated with Container attributes (bytes stored and
|
|
* Object count)
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $clist = $conn->get_containers();
|
|
* foreach ($clist as $cont) {
|
|
* print "Container name: " . $cont->name . "\n";
|
|
* print "Number of Objects: " . $cont->count . "\n";
|
|
* print "Bytes stored in container: " . $cont->bytes . "\n";
|
|
* }
|
|
* </code>
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array An array of CF_Container instances
|
|
*/
|
|
public function get_containers($limit = 0, $marker = null)
|
|
{
|
|
list($status, $reason, $container_info) =
|
|
$this->cfs_http->list_containers_info($limit, $marker);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->get_containers();
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response: '.$this->cfs_http->get_error());
|
|
}
|
|
$containers = [];
|
|
foreach ($container_info as $name => $info) {
|
|
$containers[] = new CF_Container($this->cfs_auth, $this->cfs_http,
|
|
$info['name'], $info['count'], $info['bytes'], false);
|
|
}
|
|
|
|
return $containers;
|
|
}
|
|
|
|
/**
|
|
* Return list of remote Containers.
|
|
*
|
|
* Return an array of strings containing the names of all remote Containers.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $container_list = $conn->list_containers();
|
|
* print_r($container_list);
|
|
* Array
|
|
* (
|
|
* [0] => "my photos",
|
|
* [1] => "my docs"
|
|
* )
|
|
* </code>
|
|
*
|
|
* @param int $limit restrict results to $limit Containers
|
|
* @param string $marker return results greater than $marker
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array list of remote Containers
|
|
*/
|
|
public function list_containers($limit = 0, $marker = null)
|
|
{
|
|
list($status, $reason, $containers) =
|
|
$this->cfs_http->list_containers($limit, $marker);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->list_containers($limit, $marker);
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return $containers;
|
|
}
|
|
|
|
/**
|
|
* Return array of information about remote Containers.
|
|
*
|
|
* Return a nested array structure of Container info.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
*
|
|
* $container_info = $conn->list_containers_info();
|
|
* print_r($container_info);
|
|
* Array
|
|
* (
|
|
* ["my photos"] =>
|
|
* Array
|
|
* (
|
|
* ["bytes"] => 78,
|
|
* ["count"] => 2
|
|
* )
|
|
* ["docs"] =>
|
|
* Array
|
|
* (
|
|
* ["bytes"] => 37323,
|
|
* ["count"] => 12
|
|
* )
|
|
* )
|
|
* </code>
|
|
*
|
|
* @param int $limit restrict results to $limit Containers
|
|
* @param string $marker return results greater than $marker
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array nested array structure of Container info
|
|
*/
|
|
public function list_containers_info($limit = 0, $marker = null)
|
|
{
|
|
list($status, $reason, $container_info) =
|
|
$this->cfs_http->list_containers_info($limit, $marker);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->list_containers_info($limit, $marker);
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return $container_info;
|
|
}
|
|
|
|
/**
|
|
* Return list of Containers that have been published to the CDN.
|
|
*
|
|
* Return an array of strings containing the names of published Containers.
|
|
* Note that this function returns the list of any Container that has
|
|
* ever been CDN-enabled regardless of it's existence in the storage
|
|
* system.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_containers = $conn->list_public_containers();
|
|
* print_r($public_containers);
|
|
* Array
|
|
* (
|
|
* [0] => "images",
|
|
* [1] => "css",
|
|
* [2] => "javascript"
|
|
* )
|
|
* </code>
|
|
*
|
|
* @param bool $enabled_only Will list all containers ever CDN enabled if * set to false or only currently enabled CDN containers if set to true. * Defaults to false.
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array list of published Container names
|
|
*/
|
|
public function list_public_containers($enabled_only = false)
|
|
{
|
|
list($status, $reason, $containers) =
|
|
$this->cfs_http->list_cdn_containers($enabled_only);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->list_public_containers();
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return $containers;
|
|
}
|
|
|
|
/**
|
|
* Set a user-supplied callback function to report download progress.
|
|
*
|
|
* The callback function is used to report incremental progress of a data
|
|
* download functions (e.g. $container->list_objects(), $obj->read(), etc).
|
|
* The specified function will be periodically called with the number of
|
|
* bytes transferred until the entire download is complete. This callback
|
|
* function can be useful for implementing "progress bars" for large
|
|
* downloads.
|
|
*
|
|
* The specified callback function should take a single integer parameter.
|
|
*
|
|
* <code>
|
|
* function read_callback($bytes_transferred) {
|
|
* print ">> downloaded " . $bytes_transferred . " bytes.\n";
|
|
* # ... do other things ...
|
|
* return;
|
|
* }
|
|
*
|
|
* $conn = new CF_Connection($auth_obj);
|
|
* $conn->set_read_progress_function("read_callback");
|
|
* print_r($conn->list_containers());
|
|
*
|
|
* # output would look like this:
|
|
* #
|
|
* >> downloaded 10 bytes.
|
|
* >> downloaded 11 bytes.
|
|
* Array
|
|
* (
|
|
* [0] => fuzzy.txt
|
|
* [1] => space name
|
|
* )
|
|
* </code>
|
|
*
|
|
* @param string $func_name the name of the user callback function
|
|
*/
|
|
public function set_read_progress_function($func_name)
|
|
{
|
|
$this->cfs_http->setReadProgressFunc($func_name);
|
|
}
|
|
|
|
/**
|
|
* Set a user-supplied callback function to report upload progress.
|
|
*
|
|
* The callback function is used to report incremental progress of a data
|
|
* upload functions (e.g. $obj->write() call). The specified function will
|
|
* be periodically called with the number of bytes transferred until the
|
|
* entire upload is complete. This callback function can be useful
|
|
* for implementing "progress bars" for large uploads/downloads.
|
|
*
|
|
* The specified callback function should take a single integer parameter.
|
|
*
|
|
* <code>
|
|
* function write_callback($bytes_transferred) {
|
|
* print ">> uploaded " . $bytes_transferred . " bytes.\n";
|
|
* # ... do other things ...
|
|
* return;
|
|
* }
|
|
*
|
|
* $conn = new CF_Connection($auth_obj);
|
|
* $conn->set_write_progress_function("write_callback");
|
|
* $container = $conn->create_container("stuff");
|
|
* $obj = $container->create_object("foo");
|
|
* $obj->write("The callback function will be called during upload.");
|
|
*
|
|
* # output would look like this:
|
|
* # >> uploaded 51 bytes.
|
|
* #
|
|
* </code>
|
|
*
|
|
* @param string $func_name the name of the user callback function
|
|
*/
|
|
public function set_write_progress_function($func_name)
|
|
{
|
|
$this->cfs_http->setWriteProgressFunc($func_name);
|
|
}
|
|
|
|
/**
|
|
* Use the Certificate Authority bundle included with this API.
|
|
*
|
|
* Most versions of PHP with cURL support include an outdated Certificate
|
|
* Authority (CA) bundle (the file that lists all valid certificate
|
|
* signing authorities). The SSL certificates used by the Cloud Files
|
|
* storage system are perfectly valid but have been created/signed by
|
|
* a CA not listed in these outdated cURL distributions.
|
|
*
|
|
* As a work-around, we've included an updated CA bundle obtained
|
|
* directly from cURL's web site (http://curl.haxx.se). You can direct
|
|
* the API to use this CA bundle by calling this method prior to making
|
|
* any remote calls. The best place to use this method is right after
|
|
* the CF_Authentication instance has been instantiated.
|
|
*
|
|
* You can specify your own CA bundle by passing in the full pathname
|
|
* to the bundle. You can use the included CA bundle by leaving the
|
|
* argument blank.
|
|
*
|
|
* @param string $path Specify path to CA bundle (default to included)
|
|
*/
|
|
public function ssl_use_cabundle($path = null)
|
|
{
|
|
$this->cfs_http->ssl_use_cabundle($path);
|
|
}
|
|
|
|
//private function _re_auth()
|
|
//{
|
|
// $new_auth = new CF_Authentication(
|
|
// $this->cfs_auth->username,
|
|
// $this->cfs_auth->api_key,
|
|
// $this->cfs_auth->auth_host,
|
|
// $this->cfs_auth->account);
|
|
// $new_auth->authenticate();
|
|
// $this->cfs_auth = $new_auth;
|
|
// $this->cfs_http->setCFAuth($this->cfs_auth);
|
|
// return True;
|
|
//}
|
|
}
|
|
|
|
/**
|
|
* Container operations.
|
|
*
|
|
* Containers are storage compartments where you put your data (objects).
|
|
* A container is similar to a directory or folder on a conventional filesystem
|
|
* with the exception that they exist in a flat namespace, you can not create
|
|
* containers inside of containers.
|
|
*
|
|
* You also have the option of marking a Container as "public" so that the
|
|
* Objects stored in the Container are publicly available via the CDN.
|
|
*/
|
|
class CF_Container
|
|
{
|
|
public $cfs_auth;
|
|
public $cfs_http;
|
|
public $name;
|
|
public $object_count;
|
|
public $bytes_used;
|
|
|
|
public $cdn_enabled;
|
|
public $cdn_uri;
|
|
public $cdn_ttl;
|
|
public $cdn_log_retention;
|
|
public $cdn_acl_user_agent;
|
|
public $cdn_acl_referrer;
|
|
|
|
/**
|
|
* Class constructor.
|
|
*
|
|
* Constructor for Container
|
|
*
|
|
* @param obj $cfs_auth CF_Authentication instance
|
|
* @param obj $cfs_http HTTP connection manager
|
|
* @param string $name name of Container
|
|
* @param int $count number of Objects stored in this Container
|
|
* @param int $bytes number of bytes stored in this Container
|
|
*
|
|
* @throws SyntaxException invalid Container name
|
|
*/
|
|
public function __construct(&$cfs_auth, &$cfs_http, $name, $count = 0,
|
|
$bytes = 0, $docdn = true)
|
|
{
|
|
if (strlen($name) > MAX_CONTAINER_NAME_LEN) {
|
|
throw new SyntaxException('Container name exceeds '
|
|
.'maximum allowed length.');
|
|
}
|
|
if (strpos($name, '/') !== false) {
|
|
throw new SyntaxException(
|
|
"Container names cannot contain a '/' character.");
|
|
}
|
|
$this->cfs_auth = $cfs_auth;
|
|
$this->cfs_http = $cfs_http;
|
|
$this->name = $name;
|
|
$this->object_count = $count;
|
|
$this->bytes_used = $bytes;
|
|
$this->cdn_enabled = null;
|
|
$this->cdn_uri = null;
|
|
$this->cdn_ttl = null;
|
|
$this->cdn_log_retention = null;
|
|
$this->cdn_acl_user_agent = null;
|
|
$this->cdn_acl_referrer = null;
|
|
if ($this->cfs_http->getCDNMUrl() != null && $docdn) {
|
|
$this->_cdn_initialize();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* String representation of Container.
|
|
*
|
|
* Pretty print the Container instance.
|
|
*
|
|
* @return string Container details
|
|
*/
|
|
public function __toString()
|
|
{
|
|
$me = sprintf('name: %s, count: %.0f, bytes: %.0f',
|
|
$this->name, $this->object_count, $this->bytes_used);
|
|
if ($this->cfs_http->getCDNMUrl() != null) {
|
|
$me .= sprintf(', cdn: %s, cdn uri: %s, cdn ttl: %.0f, logs retention: %s',
|
|
$this->is_public() ? 'Yes' : 'No',
|
|
$this->cdn_uri, $this->cdn_ttl,
|
|
$this->cdn_log_retention ? 'Yes' : 'No'
|
|
);
|
|
|
|
if ($this->cdn_acl_user_agent != null) {
|
|
$me .= ', cdn acl user agent: '.$this->cdn_acl_user_agent;
|
|
}
|
|
|
|
if ($this->cdn_acl_referrer != null) {
|
|
$me .= ', cdn acl referrer: '.$this->cdn_acl_referrer;
|
|
}
|
|
}
|
|
|
|
return $me;
|
|
}
|
|
|
|
/**
|
|
* Enable Container content to be served via CDN or modify CDN attributes.
|
|
*
|
|
* Either enable this Container's content to be served via CDN or
|
|
* adjust its CDN attributes. This Container will always return the
|
|
* same CDN-enabled URI each time it is toggled public/private/public.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->create_container("public");
|
|
*
|
|
* # CDN-enable the container and set it's TTL for a month
|
|
* #
|
|
* $public_container->make_public(86400/2); # 12 hours (86400 seconds/day)
|
|
* </code>
|
|
*
|
|
* @param int $ttl the time in seconds content will be cached in the CDN
|
|
* @returns string the CDN enabled Container's URI
|
|
*
|
|
* @throws CDNNotEnabledException CDN functionality not returned during auth
|
|
* @throws AuthenticationException if auth token is not valid/expired
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
public function make_public($ttl = 86400)
|
|
{
|
|
if ($this->cfs_http->getCDNMUrl() == null) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
if ($this->cdn_uri != null) {
|
|
// previously published, assume we're setting new attributes
|
|
list($status, $reason, $cdn_uri) =
|
|
$this->cfs_http->update_cdn_container($this->name, $ttl,
|
|
$this->cdn_log_retention,
|
|
$this->cdn_acl_user_agent,
|
|
$this->cdn_acl_referrer);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->make_public($ttl);
|
|
//}
|
|
if ($status == 404) {
|
|
// this instance _thinks_ the container was published, but the
|
|
// cdn management system thinks otherwise - try again with a PUT
|
|
list($status, $reason, $cdn_uri) =
|
|
$this->cfs_http->add_cdn_container($this->name, $ttl);
|
|
}
|
|
} else {
|
|
// publish it for first time
|
|
list($status, $reason, $cdn_uri) =
|
|
$this->cfs_http->add_cdn_container($this->name, $ttl);
|
|
}
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->make_public($ttl);
|
|
//}
|
|
if (!in_array($status, [201, 202])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_enabled = true;
|
|
$this->cdn_ttl = $ttl;
|
|
$this->cdn_uri = $cdn_uri;
|
|
$this->cdn_log_retention = false;
|
|
$this->cdn_acl_user_agent = '';
|
|
$this->cdn_acl_referrer = '';
|
|
|
|
return $this->cdn_uri;
|
|
}
|
|
|
|
/**
|
|
* Purge Containers objects from CDN Cache.
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
* $container = $conn->get_container("cdn_enabled");
|
|
* $container->purge_from_cdn("user@domain.com");
|
|
* # or
|
|
* $container->purge_from_cdn();
|
|
* # or
|
|
* $container->purge_from_cdn("user1@domain.com,user2@domain.com");.
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException if CDN Is not enabled on this connection
|
|
* @throws InvalidResponseException if the response expected is not returned
|
|
*/
|
|
public function purge_from_cdn($email = null)
|
|
{
|
|
if (!$this->cfs_http->getCDNMUrl()) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
$status = $this->cfs_http->purge_from_cdn($this->name, $email);
|
|
if ($status < 199 or $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Enable ACL restriction by User Agent for this container.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # Enable ACL by Referrer
|
|
* $public_container->acl_referrer("Mozilla");
|
|
* </code>
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException CDN functionality not returned during auth
|
|
* @throws AuthenticationException if auth token is not valid/expired
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
public function acl_user_agent($cdn_acl_user_agent = '')
|
|
{
|
|
if ($this->cfs_http->getCDNMUrl() == null) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
list($status, $reason) =
|
|
$this->cfs_http->update_cdn_container($this->name,
|
|
$this->cdn_ttl,
|
|
$this->cdn_log_retention,
|
|
$cdn_acl_user_agent,
|
|
$this->cdn_acl_referrer
|
|
);
|
|
if (!in_array($status, [202, 404])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_acl_user_agent = $cdn_acl_user_agent;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Enable ACL restriction by referer for this container.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # Enable Referrer
|
|
* $public_container->acl_referrer("http://www.example.com/gallery.php");
|
|
* </code>
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException CDN functionality not returned during auth
|
|
* @throws AuthenticationException if auth token is not valid/expired
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
public function acl_referrer($cdn_acl_referrer = '')
|
|
{
|
|
if ($this->cfs_http->getCDNMUrl() == null) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
list($status, $reason) =
|
|
$this->cfs_http->update_cdn_container($this->name,
|
|
$this->cdn_ttl,
|
|
$this->cdn_log_retention,
|
|
$this->cdn_acl_user_agent,
|
|
$cdn_acl_referrer
|
|
);
|
|
if (!in_array($status, [202, 404])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_acl_referrer = $cdn_acl_referrer;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Enable log retention for this CDN container.
|
|
*
|
|
* Enable CDN log retention on the container. If enabled logs will
|
|
* be periodically (at unpredictable intervals) compressed and
|
|
* uploaded to a ".CDN_ACCESS_LOGS" container in the form of
|
|
* "container_name.YYYYMMDDHH-XXXX.gz". Requires CDN be enabled on
|
|
* the account.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # Enable logs retention.
|
|
* $public_container->log_retention(True);
|
|
* </code>
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException CDN functionality not returned during auth
|
|
* @throws AuthenticationException if auth token is not valid/expired
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
public function log_retention($cdn_log_retention = false)
|
|
{
|
|
if ($this->cfs_http->getCDNMUrl() == null) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
list($status, $reason) =
|
|
$this->cfs_http->update_cdn_container($this->name,
|
|
$this->cdn_ttl,
|
|
$cdn_log_retention,
|
|
$this->cdn_acl_user_agent,
|
|
$this->cdn_acl_referrer
|
|
);
|
|
if (!in_array($status, [202, 404])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_log_retention = $cdn_log_retention;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Disable the CDN sharing for this container.
|
|
*
|
|
* Use this method to disallow distribution into the CDN of this Container's
|
|
* content.
|
|
*
|
|
* NOTE: Any content already cached in the CDN will continue to be served
|
|
* from its cache until the TTL expiration transpires. The default
|
|
* TTL is typically one day, so "privatizing" the Container will take
|
|
* up to 24 hours before the content is purged from the CDN cache.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # Disable CDN accessability
|
|
* # ... still cached up to a month based on previous example
|
|
* #
|
|
* $public_container->make_private();
|
|
* </code>
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException CDN functionality not returned during auth
|
|
* @throws AuthenticationException if auth token is not valid/expired
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
public function make_private()
|
|
{
|
|
if ($this->cfs_http->getCDNMUrl() == null) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
list($status, $reason) = $this->cfs_http->remove_cdn_container($this->name);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->make_private();
|
|
//}
|
|
if (!in_array($status, [202, 404])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_enabled = false;
|
|
$this->cdn_ttl = null;
|
|
$this->cdn_uri = null;
|
|
$this->cdn_log_retention = null;
|
|
$this->cdn_acl_user_agent = null;
|
|
$this->cdn_acl_referrer = null;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if this Container is being publicly served via CDN.
|
|
*
|
|
* Use this method to determine if the Container's content is currently
|
|
* available through the CDN.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # Display CDN accessability
|
|
* #
|
|
* $public_container->is_public() ? print "Yes" : print "No";
|
|
* </code>
|
|
*
|
|
* @returns boolean True if enabled, False otherwise
|
|
*/
|
|
public function is_public()
|
|
{
|
|
return $this->cdn_enabled == true ? true : false;
|
|
}
|
|
|
|
/**
|
|
* Create a new remote storage Object.
|
|
*
|
|
* Return a new Object instance. If the remote storage Object exists,
|
|
* the instance's attributes are populated.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # This creates a local instance of a storage object but only creates
|
|
* # it in the storage system when the object's write() method is called.
|
|
* #
|
|
* $pic = $public_container->create_object("baby.jpg");
|
|
* </code>
|
|
*
|
|
* @param string $obj_name name of storage Object
|
|
*
|
|
* @return obj CF_Object instance
|
|
*/
|
|
public function create_object($obj_name = null)
|
|
{
|
|
return new CF_Object($this, $obj_name);
|
|
}
|
|
|
|
/**
|
|
* Return an Object instance for the remote storage Object.
|
|
*
|
|
* Given a name, return a Object instance representing the
|
|
* remote storage object.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $public_container = $conn->get_container("public");
|
|
*
|
|
* # This call only fetches header information and not the content of
|
|
* # the storage object. Use the Object's read() or stream() methods
|
|
* # to obtain the object's data.
|
|
* #
|
|
* $pic = $public_container->get_object("baby.jpg");
|
|
* </code>
|
|
*
|
|
* @param string $obj_name name of storage Object
|
|
*
|
|
* @return obj CF_Object instance
|
|
*/
|
|
public function get_object($obj_name = null)
|
|
{
|
|
return new CF_Object($this, $obj_name, true);
|
|
}
|
|
|
|
/**
|
|
* Return a list of Objects.
|
|
*
|
|
* Return an array of strings listing the Object names in this Container.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $images = $conn->get_container("my photos");
|
|
*
|
|
* # Grab the list of all storage objects
|
|
* #
|
|
* $all_objects = $images->list_objects();
|
|
*
|
|
* # Grab subsets of all storage objects
|
|
* #
|
|
* $first_ten = $images->list_objects(10);
|
|
*
|
|
* # Note the use of the previous result's last object name being
|
|
* # used as the 'marker' parameter to fetch the next 10 objects
|
|
* #
|
|
* $next_ten = $images->list_objects(10, $first_ten[count($first_ten)-1]);
|
|
*
|
|
* # Grab images starting with "birthday_party" and default limit/marker
|
|
* # to match all photos with that prefix
|
|
* #
|
|
* $prefixed = $images->list_objects(0, NULL, "birthday");
|
|
*
|
|
* # Assuming you have created the appropriate directory marker Objects,
|
|
* # you can traverse your pseudo-hierarchical containers
|
|
* # with the "path" argument.
|
|
* #
|
|
* $animals = $images->list_objects(0,NULL,NULL,"pictures/animals");
|
|
* $dogs = $images->list_objects(0,NULL,NULL,"pictures/animals/dogs");
|
|
* </code>
|
|
*
|
|
* @param int $limit <i>optional</i> only return $limit names
|
|
* @param int $marker <i>optional</i> subset of names starting at $marker
|
|
* @param string $prefix <i>optional</i> Objects whose names begin with $prefix
|
|
* @param string $path <i>optional</i> only return results under "pathname"
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array array of strings
|
|
*/
|
|
public function list_objects($limit = 0, $marker = null, $prefix = null, $path = null)
|
|
{
|
|
list($status, $reason, $obj_list) =
|
|
$this->cfs_http->list_objects($this->name, $limit,
|
|
$marker, $prefix, $path);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->list_objects($limit, $marker, $prefix, $path);
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return $obj_list;
|
|
}
|
|
|
|
/**
|
|
* Return an array of Objects.
|
|
*
|
|
* Return an array of Object instances in this Container.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $images = $conn->get_container("my photos");
|
|
*
|
|
* # Grab the list of all storage objects
|
|
* #
|
|
* $all_objects = $images->get_objects();
|
|
*
|
|
* # Grab subsets of all storage objects
|
|
* #
|
|
* $first_ten = $images->get_objects(10);
|
|
*
|
|
* # Note the use of the previous result's last object name being
|
|
* # used as the 'marker' parameter to fetch the next 10 objects
|
|
* #
|
|
* $next_ten = $images->list_objects(10, $first_ten[count($first_ten)-1]);
|
|
*
|
|
* # Grab images starting with "birthday_party" and default limit/marker
|
|
* # to match all photos with that prefix
|
|
* #
|
|
* $prefixed = $images->get_objects(0, NULL, "birthday");
|
|
*
|
|
* # Assuming you have created the appropriate directory marker Objects,
|
|
* # you can traverse your pseudo-hierarchical containers
|
|
* # with the "path" argument.
|
|
* #
|
|
* $animals = $images->get_objects(0,NULL,NULL,"pictures/animals");
|
|
* $dogs = $images->get_objects(0,NULL,NULL,"pictures/animals/dogs");
|
|
* </code>
|
|
*
|
|
* @param int $limit <i>optional</i> only return $limit names
|
|
* @param int $marker <i>optional</i> subset of names starting at $marker
|
|
* @param string $prefix <i>optional</i> Objects whose names begin with $prefix
|
|
* @param string $path <i>optional</i> only return results under "pathname"
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return array array of strings
|
|
*/
|
|
public function get_objects($limit = 0, $marker = null, $prefix = null, $path = null)
|
|
{
|
|
list($status, $reason, $obj_array) =
|
|
$this->cfs_http->get_objects($this->name, $limit,
|
|
$marker, $prefix, $path);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->get_objects($limit, $marker, $prefix, $path);
|
|
//}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$objects = [];
|
|
foreach ($obj_array as $obj) {
|
|
$tmp = new CF_Object($this, $obj['name'], false, false);
|
|
$tmp->content_type = $obj['content_type'];
|
|
$tmp->content_length = (float) $obj['bytes'];
|
|
$tmp->set_etag($obj['hash']);
|
|
$tmp->last_modified = $obj['last_modified'];
|
|
$objects[] = $tmp;
|
|
}
|
|
|
|
return $objects;
|
|
}
|
|
|
|
/**
|
|
* Delete a remote storage Object.
|
|
*
|
|
* Given an Object instance or name, permanently remove the remote Object
|
|
* and all associated metadata.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
*
|
|
* $images = $conn->get_container("my photos");
|
|
*
|
|
* # Delete specific object
|
|
* #
|
|
* $images->delete_object("disco_dancing.jpg");
|
|
* </code>
|
|
*
|
|
* @param obj $obj name or instance of Object to delete
|
|
*
|
|
* @throws SyntaxException invalid Object name
|
|
* @throws NoSuchObjectException remote Object does not exist
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return bool <kbd>True</kbd> if successfully removed
|
|
*/
|
|
public function delete_object($obj)
|
|
{
|
|
$obj_name = null;
|
|
if (is_object($obj)) {
|
|
if (get_class($obj) == 'CF_Object') {
|
|
$obj_name = $obj->name;
|
|
}
|
|
}
|
|
if (is_string($obj)) {
|
|
$obj_name = $obj;
|
|
}
|
|
if (!$obj_name) {
|
|
throw new SyntaxException('Object name not set.');
|
|
}
|
|
$status = $this->cfs_http->delete_object($this->name, $obj_name);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->delete_object($obj);
|
|
//}
|
|
if ($status == 404) {
|
|
$m = "Specified object '".$this->name.'/'.$obj_name;
|
|
$m .= "' did not exist to delete.";
|
|
throw new NoSuchObjectException($m);
|
|
}
|
|
if ($status != 204) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Helper function to create "path" elements for a given Object name.
|
|
*
|
|
* Given an Object whos name contains '/' path separators, this function
|
|
* will create the "directory marker" Objects of one byte with the
|
|
* Content-Type of "application/folder".
|
|
*
|
|
* It assumes the last element of the full path is the "real" Object
|
|
* and does NOT create a remote storage Object for that last element.
|
|
*/
|
|
public function create_paths($path_name)
|
|
{
|
|
if ($path_name[0] == '/') {
|
|
$path_name = mb_substr($path_name, 0, 1);
|
|
}
|
|
$elements = explode('/', $path_name, -1);
|
|
$build_path = '';
|
|
foreach ($elements as $idx => $val) {
|
|
if (!$build_path) {
|
|
$build_path = $val;
|
|
} else {
|
|
$build_path .= '/'.$val;
|
|
}
|
|
$obj = new CF_Object($this, $build_path);
|
|
$obj->content_type = 'application/directory';
|
|
$obj->write('.', 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Internal method to grab CDN/Container info if appropriate to do so.
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*/
|
|
private function _cdn_initialize()
|
|
{
|
|
list($status, $reason, $cdn_enabled, $cdn_uri, $cdn_ttl,
|
|
$cdn_log_retention, $cdn_acl_user_agent, $cdn_acl_referrer) =
|
|
$this->cfs_http->head_cdn_container($this->name);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->_cdn_initialize();
|
|
//}
|
|
if (!in_array($status, [204, 404])) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->cfs_http->get_error());
|
|
}
|
|
$this->cdn_enabled = $cdn_enabled;
|
|
$this->cdn_uri = $cdn_uri;
|
|
$this->cdn_ttl = $cdn_ttl;
|
|
$this->cdn_log_retention = $cdn_log_retention;
|
|
$this->cdn_acl_user_agent = $cdn_acl_user_agent;
|
|
$this->cdn_acl_referrer = $cdn_acl_referrer;
|
|
}
|
|
|
|
//private function _re_auth()
|
|
//{
|
|
// $new_auth = new CF_Authentication(
|
|
// $this->cfs_auth->username,
|
|
// $this->cfs_auth->api_key,
|
|
// $this->cfs_auth->auth_host,
|
|
// $this->cfs_auth->account);
|
|
// $new_auth->authenticate();
|
|
// $this->cfs_auth = $new_auth;
|
|
// $this->cfs_http->setCFAuth($this->cfs_auth);
|
|
// return True;
|
|
//}
|
|
}
|
|
|
|
/**
|
|
* Object operations.
|
|
*
|
|
* An Object is analogous to a file on a conventional filesystem. You can
|
|
* read data from, or write data to your Objects. You can also associate
|
|
* arbitrary metadata with them.
|
|
*/
|
|
class CF_Object
|
|
{
|
|
public $container;
|
|
public $name;
|
|
public $last_modified;
|
|
public $content_type;
|
|
public $content_length;
|
|
public $metadata;
|
|
private $etag;
|
|
|
|
/**
|
|
* Class constructor.
|
|
*
|
|
* @param obj $container CF_Container instance
|
|
* @param string $name name of Object
|
|
* @param bool $force_exists if set, throw an error if Object doesn't exist
|
|
*/
|
|
public function __construct(&$container, $name, $force_exists = false, $dohead = true)
|
|
{
|
|
if ($name[0] == '/') {
|
|
$r = "Object name '".$name;
|
|
$r .= "' cannot contain begin with a '/' character.";
|
|
throw new SyntaxException($r);
|
|
}
|
|
if (strlen($name) > MAX_OBJECT_NAME_LEN) {
|
|
throw new SyntaxException('Object name exceeds '
|
|
.'maximum allowed length.');
|
|
}
|
|
$this->container = $container;
|
|
$this->name = $name;
|
|
$this->etag = null;
|
|
$this->_etag_override = false;
|
|
$this->last_modified = null;
|
|
$this->content_type = null;
|
|
$this->content_length = 0;
|
|
$this->metadata = [];
|
|
if ($dohead) {
|
|
if (!$this->_initialize() && $force_exists) {
|
|
throw new NoSuchObjectException("No such object '".$name."'");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* String representation of Object.
|
|
*
|
|
* Pretty print the Object's location and name
|
|
*
|
|
* @return string Object information
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return $this->container->name.'/'.$this->name;
|
|
}
|
|
|
|
/**
|
|
* Internal check to get the proper mimetype.
|
|
*
|
|
* This function would go over the available PHP methods to get
|
|
* the MIME type.
|
|
*
|
|
* By default it will try to use the PHP fileinfo library which is
|
|
* available from PHP 5.3 or as an PECL extension
|
|
* (http://pecl.php.net/package/Fileinfo).
|
|
*
|
|
* It will get the magic file by default from the system wide file
|
|
* which is usually available in /usr/share/magic on Unix or try
|
|
* to use the file specified in the source directory of the API
|
|
* (share directory).
|
|
*
|
|
* if fileinfo is not available it will try to use the internal
|
|
* mime_content_type function.
|
|
*
|
|
* @param string $handle name of file or buffer to guess the type from
|
|
*
|
|
* @throws BadContentTypeException
|
|
*
|
|
* @return bool <kbd>True</kbd> if successful
|
|
*/
|
|
public function _guess_content_type($handle)
|
|
{
|
|
if ($this->content_type) {
|
|
return true;
|
|
}
|
|
|
|
if (function_exists('finfo_open')) {
|
|
$local_magic = dirname(__FILE__).'/share/magic';
|
|
$finfo = @finfo_open(FILEINFO_MIME, $local_magic);
|
|
|
|
if (!$finfo) {
|
|
$finfo = @finfo_open(FILEINFO_MIME);
|
|
}
|
|
|
|
if ($finfo) {
|
|
if (is_file((string) $handle)) {
|
|
$ct = @finfo_file($finfo, $handle);
|
|
} else {
|
|
$ct = @finfo_buffer($finfo, $handle);
|
|
}
|
|
|
|
/* PHP 5.3 fileinfo display extra information like
|
|
charset so we remove everything after the ; since
|
|
we are not into that stuff */
|
|
if ($ct) {
|
|
$extra_content_type_info = strpos($ct, '; ');
|
|
if ($extra_content_type_info) {
|
|
$ct = substr($ct, 0, $extra_content_type_info);
|
|
}
|
|
}
|
|
|
|
if ($ct && $ct != 'application/octet-stream') {
|
|
$this->content_type = $ct;
|
|
}
|
|
|
|
@finfo_close($finfo);
|
|
}
|
|
}
|
|
|
|
if (!$this->content_type && (string) is_file($handle) && function_exists('mime_content_type')) {
|
|
$this->content_type = @mime_content_type($handle);
|
|
}
|
|
|
|
if (!$this->content_type) {
|
|
throw new BadContentTypeException('Required Content-Type not set');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* String representation of the Object's public URI.
|
|
*
|
|
* A string representing the Object's public URI assuming that it's
|
|
* parent Container is CDN-enabled.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* # Print out the Object's CDN URI (if it has one) in an HTML img-tag
|
|
* #
|
|
* print "<img src='$pic->public_uri()' />\n";
|
|
* </code>
|
|
*
|
|
* @return string Object's public URI or NULL
|
|
*/
|
|
public function public_uri()
|
|
{
|
|
if ($this->container->cdn_enabled) {
|
|
return $this->container->cdn_uri.'/'.$this->name;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read the remote Object's data.
|
|
*
|
|
* Returns the Object's data. This is useful for smaller Objects such
|
|
* as images or office documents. Object's with larger content should use
|
|
* the stream() method below.
|
|
*
|
|
* Pass in $hdrs array to set specific custom HTTP headers such as
|
|
* If-Match, If-None-Match, If-Modified-Since, Range, etc.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
* $data = $doc->read(); # read image content into a string variable
|
|
* print $data;
|
|
*
|
|
* # Or see stream() below for a different example.
|
|
* #
|
|
* </code>
|
|
*
|
|
* @param array $hdrs user-defined headers (Range, If-Match, etc.)
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return string Object's data
|
|
*/
|
|
public function read($hdrs = [])
|
|
{
|
|
list($status, $reason, $data) =
|
|
$this->container->cfs_http->get_object_to_string($this, $hdrs);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->read($hdrs);
|
|
//}
|
|
if (($status < 200) || ($status > 299
|
|
&& $status != 412 && $status != 304)) {
|
|
throw new InvalidResponseException('Invalid response ('.$status.'): '
|
|
.$this->container->cfs_http->get_error());
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Streaming read of Object's data.
|
|
*
|
|
* Given an open PHP resource (see PHP's fopen() method), fetch the Object's
|
|
* data and write it to the open resource handle. This is useful for
|
|
* streaming an Object's content to the browser (videos, images) or for
|
|
* fetching content to a local file.
|
|
*
|
|
* Pass in $hdrs array to set specific custom HTTP headers such as
|
|
* If-Match, If-None-Match, If-Modified-Since, Range, etc.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* # Assuming this is a web script to display the README to the
|
|
* # user's browser:
|
|
* #
|
|
* <?php
|
|
* // grab README from storage system
|
|
* //
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
*
|
|
* // Hand it back to user's browser with appropriate content-type
|
|
* //
|
|
* header("Content-Type: " . $doc->content_type);
|
|
* $output = fopen("php://output", "w");
|
|
* $doc->stream($output); # stream object content to PHP's output buffer
|
|
* fclose($output);
|
|
* ?>
|
|
*
|
|
* # See read() above for a more simple example.
|
|
* #
|
|
* </code>
|
|
*
|
|
* @param resource $fp open resource for writing data to
|
|
* @param array $hdrs user-defined headers (Range, If-Match, etc.)
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return string Object's data
|
|
*/
|
|
public function stream(&$fp, $hdrs = [])
|
|
{
|
|
list($status, $reason) =
|
|
$this->container->cfs_http->get_object_to_stream($this, $fp, $hdrs);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->stream($fp, $hdrs);
|
|
//}
|
|
if (($status < 200) || ($status > 299
|
|
&& $status != 412 && $status != 304)) {
|
|
throw new InvalidResponseException('Invalid response ('.$status.'): '
|
|
.$reason);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Store new Object metadata.
|
|
*
|
|
* Write's an Object's metadata to the remote Object. This will overwrite
|
|
* an prior Object metadata.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
*
|
|
* # Define new metadata for the object
|
|
* #
|
|
* $doc->metadata = array(
|
|
* "Author" => "EJ",
|
|
* "Subject" => "How to use the PHP tests",
|
|
* "Version" => "1.2.2"
|
|
* );
|
|
*
|
|
* # Push the new metadata up to the storage system
|
|
* #
|
|
* $doc->sync_metadata();
|
|
* </code>
|
|
*
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return bool <kbd>True</kbd> if successful, <kbd>False</kbd> otherwise
|
|
*/
|
|
public function sync_metadata()
|
|
{
|
|
if (!empty($this->metadata)) {
|
|
$status = $this->container->cfs_http->update_object($this);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->sync_metadata();
|
|
//}
|
|
if ($status != 202) {
|
|
throw new InvalidResponseException('Invalid response ('
|
|
.$status.'): '.$this->container->cfs_http->get_error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Upload Object's data to Cloud Files.
|
|
*
|
|
* Write data to the remote Object. The $data argument can either be a
|
|
* PHP resource open for reading (see PHP's fopen() method) or an in-memory
|
|
* variable. If passing in a PHP resource, you must also include the $bytes
|
|
* parameter.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
*
|
|
* # Upload placeholder text in my README
|
|
* #
|
|
* $doc->write("This is just placeholder text for now...");
|
|
* </code>
|
|
*
|
|
* @param string|resource $data string or open resource
|
|
* @param float $bytes amount of data to upload (required for resources)
|
|
* @param bool $verify generate, send, and compare MD5 checksums
|
|
*
|
|
* @throws SyntaxException missing required parameters
|
|
* @throws BadContentTypeException if no Content-Type was/could be set
|
|
* @throws MisMatchedChecksumException $verify is set and checksums unequal
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return bool <kbd>True</kbd> when data uploaded successfully
|
|
*/
|
|
public function write($data = null, $bytes = 0, $verify = true)
|
|
{
|
|
if (!$data) {
|
|
throw new SyntaxException('Missing data source.');
|
|
}
|
|
if ($bytes > MAX_OBJECT_SIZE) {
|
|
throw new SyntaxException('Bytes exceeds maximum object size.');
|
|
}
|
|
if ($verify) {
|
|
if (!$this->_etag_override) {
|
|
$this->etag = $this->compute_md5sum($data);
|
|
}
|
|
} else {
|
|
$this->etag = null;
|
|
}
|
|
|
|
$close_fh = false;
|
|
if (!is_resource($data)) {
|
|
// A hack to treat string data as a file handle. php://memory feels
|
|
// like a better option, but it seems to break on Windows so use
|
|
// a temporary file instead.
|
|
//
|
|
$fp = fopen('php://temp', 'wb+');
|
|
//$fp = fopen("php://memory", "wb+");
|
|
fwrite($fp, $data, strlen($data));
|
|
rewind($fp);
|
|
$close_fh = true;
|
|
$this->content_length = (float) strlen($data);
|
|
if ($this->content_length > MAX_OBJECT_SIZE) {
|
|
throw new SyntaxException('Data exceeds maximum object size');
|
|
}
|
|
$ct_data = substr($data, 0, 64);
|
|
} else {
|
|
$this->content_length = $bytes;
|
|
$fp = $data;
|
|
$ct_data = fread($data, 64);
|
|
rewind($data);
|
|
}
|
|
|
|
$this->_guess_content_type($ct_data);
|
|
|
|
list($status, $reason, $etag) =
|
|
$this->container->cfs_http->put_object($this, $fp);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->write($data, $bytes, $verify);
|
|
//}
|
|
if ($status == 412) {
|
|
if ($close_fh) {
|
|
fclose($fp);
|
|
}
|
|
throw new SyntaxException('Missing Content-Type header');
|
|
}
|
|
if ($status == 422) {
|
|
if ($close_fh) {
|
|
fclose($fp);
|
|
}
|
|
throw new MisMatchedChecksumException(
|
|
'Supplied and computed checksums do not match.');
|
|
}
|
|
if ($status != 201) {
|
|
if ($close_fh) {
|
|
fclose($fp);
|
|
}
|
|
throw new InvalidResponseException('Invalid response ('.$status.'): '
|
|
.$this->container->cfs_http->get_error());
|
|
}
|
|
if (!$verify) {
|
|
$this->etag = $etag;
|
|
}
|
|
if ($close_fh) {
|
|
fclose($fp);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Upload Object data from local filename.
|
|
*
|
|
* This is a convenience function to upload the data from a local file. A
|
|
* True value for $verify will cause the method to compute the Object's MD5
|
|
* checksum prior to uploading.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
*
|
|
* # Upload my local README's content
|
|
* #
|
|
* $doc->load_from_filename("/home/ej/cloudfiles/readme");
|
|
* </code>
|
|
*
|
|
* @param string $filename full path to local file
|
|
* @param bool $verify enable local/remote MD5 checksum validation
|
|
*
|
|
* @throws SyntaxException missing required parameters
|
|
* @throws BadContentTypeException if no Content-Type was/could be set
|
|
* @throws MisMatchedChecksumException $verify is set and checksums unequal
|
|
* @throws InvalidResponseException unexpected response
|
|
* @throws IOException error opening file
|
|
*
|
|
* @return bool <kbd>True</kbd> if data uploaded successfully
|
|
*/
|
|
public function load_from_filename($filename, $verify = true)
|
|
{
|
|
$fp = @fopen($filename, 'r');
|
|
if (!$fp) {
|
|
throw new IOException('Could not open file for reading: '.$filename);
|
|
}
|
|
|
|
clearstatcache();
|
|
|
|
$size = (float) sprintf('%u', filesize($filename));
|
|
if ($size > MAX_OBJECT_SIZE) {
|
|
throw new SyntaxException('File size exceeds maximum object size.');
|
|
}
|
|
|
|
$this->_guess_content_type($filename);
|
|
|
|
$this->write($fp, $size, $verify);
|
|
fclose($fp);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Save Object's data to local filename.
|
|
*
|
|
* Given a local filename, the Object's data will be written to the newly
|
|
* created file.
|
|
*
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication/connection/container code excluded
|
|
* # ... see previous examples
|
|
*
|
|
* # Whoops! I deleted my local README, let me download/save it
|
|
* #
|
|
* $my_docs = $conn->get_container("documents");
|
|
* $doc = $my_docs->get_object("README");
|
|
*
|
|
* $doc->save_to_filename("/home/ej/cloudfiles/readme.restored");
|
|
* </code>
|
|
*
|
|
* @param string $filename name of local file to write data to
|
|
*
|
|
* @throws IOException error opening file
|
|
* @throws InvalidResponseException unexpected response
|
|
*
|
|
* @return bool <kbd>True</kbd> if successful
|
|
*/
|
|
public function save_to_filename($filename)
|
|
{
|
|
$fp = @fopen($filename, 'wb');
|
|
if (!$fp) {
|
|
throw new IOException('Could not open file for writing: '.$filename);
|
|
}
|
|
$result = $this->stream($fp);
|
|
fclose($fp);
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Purge this Object from CDN Cache.
|
|
* Example:
|
|
* <code>
|
|
* # ... authentication code excluded (see previous examples) ...
|
|
* #
|
|
* $conn = new CF_Authentication($auth);
|
|
* $container = $conn->get_container("cdn_enabled");
|
|
* $obj = $container->get_object("object");
|
|
* $obj->purge_from_cdn("user@domain.com");
|
|
* # or
|
|
* $obj->purge_from_cdn();
|
|
* # or
|
|
* $obj->purge_from_cdn("user1@domain.com,user2@domain.com");.
|
|
*
|
|
* @returns boolean True if successful
|
|
*
|
|
* @throws CDNNotEnabledException if CDN Is not enabled on this connection
|
|
* @throws InvalidResponseException if the response expected is not returned
|
|
*/
|
|
public function purge_from_cdn($email = null)
|
|
{
|
|
if (!$this->container->cfs_http->getCDNMUrl()) {
|
|
throw new CDNNotEnabledException(
|
|
'Authentication response did not indicate CDN availability');
|
|
}
|
|
$status = $this->container->cfs_http->purge_from_cdn($this->container->name.'/'.$this->name, $email);
|
|
if ($status < 199 or $status > 299) {
|
|
throw new InvalidResponseException(
|
|
'Invalid response ('.$status.'): '.$this->container->cfs_http->get_error());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set Object's MD5 checksum.
|
|
*
|
|
* Manually set the Object's ETag. Including the ETag is mandatory for
|
|
* Cloud Files to perform end-to-end verification. Omitting the ETag forces
|
|
* the user to handle any data integrity checks.
|
|
*
|
|
* @param string $etag MD5 checksum hexidecimal string
|
|
*/
|
|
public function set_etag($etag)
|
|
{
|
|
$this->etag = $etag;
|
|
$this->_etag_override = true;
|
|
}
|
|
|
|
/**
|
|
* Object's MD5 checksum.
|
|
*
|
|
* Accessor method for reading Object's private ETag attribute.
|
|
*
|
|
* @return string MD5 checksum hexidecimal string
|
|
*/
|
|
public function getETag()
|
|
{
|
|
return $this->etag;
|
|
}
|
|
|
|
/**
|
|
* Compute the MD5 checksum.
|
|
*
|
|
* Calculate the MD5 checksum on either a PHP resource or data. The argument
|
|
* may either be a local filename, open resource for reading, or a string.
|
|
*
|
|
* <b>WARNING:</b> if you are uploading a big file over a stream
|
|
* it could get very slow to compute the md5 you probably want to
|
|
* set the $verify parameter to False in the write() method and
|
|
* compute yourself the md5 before if you have it.
|
|
*
|
|
* @param filename|obj|string $data filename, open resource, or string
|
|
*
|
|
* @return string MD5 checksum hexidecimal string
|
|
*/
|
|
public function compute_md5sum(&$data)
|
|
{
|
|
if (function_exists('hash_init') && is_resource($data)) {
|
|
$ctx = hash_init('md5');
|
|
while (!feof($data)) {
|
|
$buffer = fgets($data, 65536);
|
|
hash_update($ctx, $buffer);
|
|
}
|
|
$md5 = hash_final($ctx, false);
|
|
rewind($data);
|
|
} elseif ((string) is_file($data)) {
|
|
$md5 = md5_file($data);
|
|
} else {
|
|
$md5 = md5($data);
|
|
}
|
|
|
|
return $md5;
|
|
}
|
|
|
|
/**
|
|
* PRIVATE: fetch information about the remote Object if it exists.
|
|
*/
|
|
private function _initialize()
|
|
{
|
|
list($status, $reason, $etag, $last_modified, $content_type,
|
|
$content_length, $metadata) =
|
|
$this->container->cfs_http->head_object($this);
|
|
//if ($status == 401 && $this->_re_auth()) {
|
|
// return $this->_initialize();
|
|
//}
|
|
if ($status == 404) {
|
|
return false;
|
|
}
|
|
if ($status < 200 || $status > 299) {
|
|
throw new InvalidResponseException('Invalid response ('.$status.'): '
|
|
.$this->container->cfs_http->get_error());
|
|
}
|
|
$this->etag = $etag;
|
|
$this->last_modified = $last_modified;
|
|
$this->content_type = $content_type;
|
|
$this->content_length = $content_length;
|
|
$this->metadata = $metadata;
|
|
|
|
return true;
|
|
}
|
|
|
|
//private function _re_auth()
|
|
//{
|
|
// $new_auth = new CF_Authentication(
|
|
// $this->cfs_auth->username,
|
|
// $this->cfs_auth->api_key,
|
|
// $this->cfs_auth->auth_host,
|
|
// $this->cfs_auth->account);
|
|
// $new_auth->authenticate();
|
|
// $this->container->cfs_auth = $new_auth;
|
|
// $this->container->cfs_http->setCFAuth($this->cfs_auth);
|
|
// return True;
|
|
//}
|
|
}
|
|
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* c-hanging-comment-ender-p: nil
|
|
* End:
|
|
*/
|