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cloudfiles_http.php
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cloudfiles_http.php
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<?php
/**
* This is an HTTP client class for Cloud Files. It uses PHP's cURL module
* to handle the actual HTTP request/response. This is NOT a generic HTTP
* client class and is only used to abstract out the HTTP communication for
* the PHP Cloud Files API.
*
* This module was designed to re-use existing HTTP(S) connections between
* subsequent operations. For example, performing multiple PUT operations
* will re-use the same connection.
*
* This modules also provides support for streaming content into and out
* of Cloud Files. The majority (all?) of the PHP HTTP client modules expect
* to read the server's response into a string variable. This will not work
* with large files without killing your server. Methods like,
* get_object_to_stream() and put_object() take an open filehandle
* argument for streaming data out of or into Cloud Files.
*
* Requres PHP 5.x (for Exceptions and OO syntax)
*
* See COPYING for license information.
*
* @author Eric "EJ" Johnson <[email protected]>
* @copyright Copyright (c) 2008, Rackspace US, Inc.
* @package php-cloudfiles-http
*/
/**
*/
require_once("cloudfiles_exceptions.php");
define("PHP_CF_VERSION", "1.7.11");
define("USER_AGENT", sprintf("PHP-CloudFiles/%s", PHP_CF_VERSION));
define("MAX_HEADER_NAME_LEN", 128);
define("MAX_HEADER_VALUE_LEN", 256);
define("ACCOUNT_CONTAINER_COUNT", "X-Account-Container-Count");
define("ACCOUNT_BYTES_USED", "X-Account-Bytes-Used");
define("ACCOUNT_KEY", "X-Account-Meta-Key");
define("ACCOUNT_METADATA_HEADER_PREFIX", "X-Account-Meta-");
define("CONTAINER_OBJ_COUNT", "X-Container-Object-Count");
define("CONTAINER_BYTES_USED", "X-Container-Bytes-Used");
define("CONTAINER_METADATA_HEADER_PREFIX", "X-Container-Meta-");
define("DELETE_AFTER", "X-Delete-After");
define("DELETE_AT", "X-Delete-At");
define("MANIFEST_HEADER", "X-Object-Manifest");
define("METADATA_HEADER_PREFIX", "X-Object-Meta-");
define("CONTENT_HEADER_PREFIX", "Content-");
define("ACCESS_CONTROL_HEADER_PREFIX", "Access-Control-");
define("ORIGIN_HEADER", "Origin");
define("CDN_URI", "X-CDN-URI");
define("CDN_SSL_URI", "X-CDN-SSL-URI");
define("CDN_STREAMING_URI", "X-CDN-Streaming-URI");
define("CDN_ENABLED", "X-CDN-Enabled");
define("CDN_LOG_RETENTION", "X-Log-Retention");
define("CDN_ACL_USER_AGENT", "X-User-Agent-ACL");
define("CDN_ACL_REFERRER", "X-Referrer-ACL");
define("CDN_TTL", "X-TTL");
define("CDNM_URL", "X-CDN-Management-Url");
define("STORAGE_URL", "X-Storage-Url");
define("AUTH_TOKEN", "X-Auth-Token");
define("AUTH_USER_HEADER", "X-Auth-User");
define("AUTH_KEY_HEADER", "X-Auth-Key");
define("AUTH_USER_HEADER_LEGACY", "X-Storage-User");
define("AUTH_KEY_HEADER_LEGACY", "X-Storage-Pass");
define("AUTH_TOKEN_LEGACY", "X-Storage-Token");
define("CDN_EMAIL", "X-Purge-Email");
define("DESTINATION", "Destination");
define("ETAG_HEADER", "ETag");
define("LAST_MODIFIED_HEADER", "Last-Modified");
define("CONTENT_TYPE_HEADER", "Content-Type");
define("CONTENT_LENGTH_HEADER", "Content-Length");
define("USER_AGENT_HEADER", "User-Agent");
/**
* HTTP/cURL wrapper for Cloud Files
*
* This class should not be used directly. It's only purpose is to abstract
* out the HTTP communication from the main API.
*
* @package php-cloudfiles-http
*/
class CF_Http
{
private $error_str;
private $dbug;
private $cabundle_path;
private $api_version;
# Authentication instance variables
#
private $storage_url;
private $cdnm_url;
private $auth_token;
# Request/response variables
#
private $response_status;
private $response_reason;
private $connections;
# Variables used for content/header callbacks
#
private $_user_read_progress_callback_func;
private $_user_write_progress_callback_func;
private $_write_callback_type;
private $_text_list;
private $_account_metadata;
private $_account_container_count;
private $_account_bytes_used;
private $_account_key;
private $_container_metadata;
private $_container_object_count;
private $_container_bytes_used;
private $_obj_delete_after;
private $_obj_delete_at;
private $_obj_etag;
private $_obj_last_modified;
private $_obj_content_type;
private $_obj_content_length;
private $_obj_metadata;
private $_obj_headers;
private $_obj_manifest;
private $_obj_write_resource;
private $_obj_write_string;
private $_cdn_enabled;
private $_cdn_ssl_uri;
private $_cdn_streaming_uri;
private $_cdn_uri;
private $_cdn_ttl;
private $_cdn_log_retention;
private $_cdn_acl_user_agent;
private $_cdn_acl_referrer;
function __construct($api_version)
{
$this->dbug = False;
$this->cabundle_path = NULL;
$this->api_version = $api_version;
$this->error_str = "";
$this->storage_url = NULL;
$this->cdnm_url = NULL;
$this->auth_token = NULL;
$this->response_status = NULL;
$this->response_reason = NULL;
# Curl connections array - since there is no way to "re-set" the
# connection paramaters for a cURL handle, we keep an array of
# the unique use-cases and funnel all of those same type
# requests through the appropriate curl connection.
#
$this->connections = array(
"GET_CALL" => NULL, # GET objects/containers/lists
"PUT_OBJ" => NULL, # PUT object
"HEAD" => NULL, # HEAD requests
"PUT_CONT" => NULL, # PUT container
"DEL_POST" => NULL, # DELETE containers/objects, POST objects
"COPY" => null, # COPY objects
);
$this->_user_read_progress_callback_func = NULL;
$this->_user_write_progress_callback_func = NULL;
$this->_write_callback_type = NULL;
$this->_text_list = array();
$this->_return_list = NULL;
$this->_account_metadata = array();
$this->_account_key = NULL;
$this->_account_container_count = 0;
$this->_account_bytes_used = 0;
$this->_container_metadata = array();
$this->_container_object_count = 0;
$this->_container_bytes_used = 0;
$this->_obj_delete_after = NULL;
$this->_obj_delete_at = NULL;
$this->_obj_write_resource = NULL;
$this->_obj_write_string = "";
$this->_obj_etag = NULL;
$this->_obj_last_modified = NULL;
$this->_obj_content_type = NULL;
$this->_obj_content_length = NULL;
$this->_obj_metadata = array();
$this->_obj_manifest = NULL;
$this->_obj_headers = NULL;
$this->_cdn_enabled = NULL;
$this->_cdn_ssl_uri = NULL;
$this->_cdn_streaming_uri = 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;
# The OS list with a PHP without an updated CA File for CURL to
# connect to SSL Websites. It is the first 3 letters of the PHP_OS
# variable.
$OS_CAFILE_NONUPDATED=array(
"win","dar"
);
if (in_array((strtolower (substr(PHP_OS, 0,3))), $OS_CAFILE_NONUPDATED))
$this->ssl_use_cabundle();
}
function ssl_use_cabundle($path=NULL)
{
if ($path) {
$this->cabundle_path = $path;
} else {
$this->cabundle_path = dirname(__FILE__) . "/share/cacert.pem";
}
if (!file_exists($this->cabundle_path)) {
throw new IOException("Could not use CA bundle: "
. $this->cabundle_path);
}
return;
}
# Uses separate cURL connection to authenticate
#
function authenticate($user, $pass, $acct=NULL, $host=NULL)
{
$path = array();
if (isset($acct)){
$headers = array(
sprintf("%s: %s", AUTH_USER_HEADER_LEGACY, $user),
sprintf("%s: %s", AUTH_KEY_HEADER_LEGACY, $pass),
);
$path[] = $host;
$path[] = rawurlencode(sprintf("v%d",$this->api_version));
$path[] = rawurlencode($acct);
} else {
$headers = array(
sprintf("%s: %s", AUTH_USER_HEADER, $user),
sprintf("%s: %s", AUTH_KEY_HEADER, $pass),
);
$path[] = $host;
}
$path[] = "v1.0";
$url = implode("/", $path);
$curl_ch = curl_init();
if (!is_null($this->cabundle_path)) {
curl_setopt($curl_ch, CURLOPT_SSL_VERIFYPEER, True);
curl_setopt($curl_ch, CURLOPT_CAINFO, $this->cabundle_path);
}
curl_setopt($curl_ch, CURLOPT_VERBOSE, $this->dbug);
curl_setopt($curl_ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl_ch, CURLOPT_MAXREDIRS, 4);
curl_setopt($curl_ch, CURLOPT_HEADER, 0);
curl_setopt($curl_ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl_ch, CURLOPT_USERAGENT, USER_AGENT);
curl_setopt($curl_ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl_ch, CURLOPT_HEADERFUNCTION,array(&$this,'_auth_hdr_cb'));
curl_setopt($curl_ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curl_ch, CURLOPT_URL, $url);
curl_exec($curl_ch);
$curl_error = curl_error($curl_ch);
curl_close($curl_ch);
if (!empty($curl_error))
{
$this->error_str = $curl_error."\n";
}
return array($this->response_status, $this->response_reason,
$this->storage_url, $this->cdnm_url, $this->auth_token);
}
# (CDN) GET /v1/Account
#
function list_cdn_containers($enabled_only)
{
$conn_type = "GET_CALL";
$url_path = $this->_make_path("CDN");
$this->_write_callback_type = "TEXT_LIST";
if ($enabled_only)
{
$return_code = $this->_send_request($conn_type, $url_path .
'/?enabled_only=true');
}
else
{
$return_code = $this->_send_request($conn_type, $url_path);
}
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,array());
}
if ($return_code == 401) {
$this->error_str .= "Unauthorized";
return array($return_code,$this->error_str,array());
}
if ($return_code == 404) {
$this->error_str .= "Account not found.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 204) {
$this->error_str .= "Account has no CDN enabled Containers.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 200) {
$this->create_array();
return array($return_code,$this->response_reason,$this->_text_list);
}
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code,$this->error_str,array());
}
# (CDN) DELETE /v1/Account/Container or /v1/Account/Container/Object
#
function purge_from_cdn($path, $email=null)
{
if(!$path)
throw new SyntaxException("Path not set");
$url_path = $this->_make_path("CDN", NULL, $path);
if($email)
{
$hdrs = array(CDN_EMAIL => $email);
$return_code = $this->_send_request("DEL_POST",$url_path,$hdrs,"DELETE");
}
else
$return_code = $this->_send_request("DEL_POST",$url_path,null,"DELETE");
return $return_code;
}
# (CDN) POST /v1/Account/Container
function update_cdn_container($container_name, $ttl=86400, $cdn_log_retention=False,
$cdn_acl_user_agent="", $cdn_acl_referrer)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$url_path = $this->_make_path("CDN", $container_name);
$hdrs = array(
CDN_ENABLED => "True",
CDN_TTL => $ttl,
CDN_LOG_RETENTION => $cdn_log_retention ? "True" : "False",
CDN_ACL_USER_AGENT => $cdn_acl_user_agent,
CDN_ACL_REFERRER => $cdn_acl_referrer,
);
$return_code = $this->_send_request("DEL_POST",$url_path,$hdrs,"POST");
if ($return_code == 401) {
$this->error_str .= "Unauthorized";
return array($return_code, $this->error_str, NULL);
}
if ($return_code == 404) {
$this->error_str .= "Container not found.";
return array($return_code, $this->error_str, NULL);
}
if ($return_code != 202) {
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code, $this->error_str, NULL);
}
return array($return_code, "Accepted", $this->_cdn_uri, $this->_cdn_ssl_uri);
}
# (CDN) PUT /v1/Account/Container
#
function add_cdn_container($container_name, $ttl=86400)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$url_path = $this->_make_path("CDN", $container_name);
$hdrs = array(
CDN_ENABLED => "True",
CDN_TTL => $ttl,
);
$return_code = $this->_send_request("PUT_CONT", $url_path, $hdrs);
if ($return_code == 401) {
$this->error_str .= "Unauthorized";
return array($return_code,$this->error_str,False);
}
if (!in_array($return_code, array(201,202))) {
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code,$this->error_str,False);
}
return array($return_code,$this->response_reason,$this->_cdn_uri,
$this->_cdn_ssl_uri);
}
# (CDN) POST /v1/Account/Container
#
function remove_cdn_container($container_name)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$url_path = $this->_make_path("CDN", $container_name);
$hdrs = array(CDN_ENABLED => "False");
$return_code = $this->_send_request("DEL_POST",$url_path,$hdrs,"POST");
if ($return_code == 401) {
$this->error_str .= "Unauthorized";
return array($return_code, $this->error_str);
}
if ($return_code == 404) {
$this->error_str .= "Container not found.";
return array($return_code, $this->error_str);
}
if ($return_code != 202) {
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code, $this->error_str);
}
return array($return_code, "Accepted");
}
# (CDN) HEAD /v1/Account
#
function head_cdn_container($container_name)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$conn_type = "HEAD";
$url_path = $this->_make_path("CDN", $container_name);
$return_code = $this->_send_request($conn_type, $url_path, NULL, "GET", True);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
}
if ($return_code == 401) {
$this->error_str .= "Unauthorized";
return array($return_code,$this->error_str,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
}
if ($return_code == 404) {
$this->error_str .= "Account not found.";
return array($return_code,$this->error_str,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
}
if ($return_code == 204) {
return array($return_code,$this->error_str . $this->response_reason,
$this->_cdn_enabled, $this->_cdn_ssl_uri,
$this->_cdn_streaming_uri,
$this->_cdn_uri, $this->_cdn_ttl,
$this->_cdn_log_retention,
$this->_cdn_acl_user_agent,
$this->_cdn_acl_referrer
);
}
return array($return_code,$this->response_reason,
NULL,NULL,NULL,NULL,
$this->_cdn_log_retention,
$this->_cdn_acl_user_agent,
$this->_cdn_acl_referrer,
NULL
);
}
# GET /v1/Account
#
function list_containers($limit=0, $marker=NULL)
{
$conn_type = "GET_CALL";
$url_path = $this->_make_path();
$limit = intval($limit);
$params = array();
if ($limit > 0) {
$params[] = "limit=$limit";
}
if ($marker) {
$params[] = "marker=".rawurlencode($marker);
}
if (!empty($params)) {
$url_path .= "?" . implode("&", $params);
}
$this->_write_callback_type = "TEXT_LIST";
$return_code = $this->_send_request($conn_type, $url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,array());
}
if ($return_code == 204) {
$this->error_str .= "Account has no containers.";
return array($return_code, $this->error_str, array());
}
if ($return_code == 404) {
$this->error_str .= "Invalid account name for authentication token.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 200) {
$this->create_array();
return array($return_code, $this->response_reason, $this->_text_list);
}
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code,$this->error_str,array());
}
# GET /v1/Account?format=json
#
function list_containers_info($limit=0, $marker=NULL)
{
$conn_type = "GET_CALL";
$url_path = $this->_make_path() . "?format=json";
$limit = intval($limit);
$params = array();
if ($limit > 0) {
$params[] = "limit=$limit";
}
if ($marker) {
$params[] = "marker=".rawurlencode($marker);
}
if (!empty($params)) {
$url_path .= "&" . implode("&", $params);
}
$this->_write_callback_type = "OBJECT_STRING";
$return_code = $this->_send_request($conn_type, $url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,array());
}
if ($return_code == 204) {
$this->error_str .= "Account has no containers.";
return array($return_code, $this->error_str, array());
}
if ($return_code == 404) {
$this->error_str .= "Invalid account name for authentication token.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 200) {
$json_body = json_decode($this->_obj_write_string, True);
return array($return_code, $this->response_reason, $json_body);
}
$this->error_str .= "Unexpected HTTP response: ".$this->response_reason;
return array($return_code,$this->error_str,array());
}
# HEAD /v1/Account
#
function head_account()
{
$conn_type = "HEAD";
$url_path = $this->_make_path();
$return_code = $this->_send_request($conn_type,$url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,0,0, NULL, array());
}
if ($return_code == 404) {
$this->error_str .= "Account not found.";
return array($return_code,$this->error_str,0,0, NULL, array());
}
if ($return_code == 204) {
return array($return_code,$this->error_str . $this->response_reason,
$this->_account_container_count, $this->_account_bytes_used,
$this->_account_key, $this->account_metadata);
}
return array($return_code,$this->response_reason,0,0, NULL, array());
}
# PUT /v1/Account/Container
#
function create_container($container_name)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$url_path = $this->_make_path("STORAGE", $container_name);
$return_code = $this->_send_request("PUT_CONT",$url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return False;
}
return $return_code;
}
# DELETE /v1/Account/Container
#
function delete_container($container_name)
{
if ($container_name == "")
throw new SyntaxException("Container name not set.");
if ($container_name != "0" and !isset($container_name))
throw new SyntaxException("Container name not set.");
$url_path = $this->_make_path("STORAGE", $container_name);
$return_code = $this->_send_request("DEL_POST",$url_path,array(),"DELETE");
switch ($return_code) {
case 204:
break;
case 0:
$this->error_str .= ": Failed to obtain valid HTTP response.";;
break;
case 409:
$this->error_str .= "Container must be empty prior to removing it.";
break;
case 404:
$this->error_str .= "Specified container did not exist to delete.";
break;
default:
$this->error_str .= "Unexpected HTTP return code: $return_code.";
}
return $return_code;
}
# GET /v1/Account/Container
#
function list_objects($cname,$limit=0,$marker=NULL,$prefix=NULL,$path=NULL)
{
if (!$cname) {
$this->error_str = "Container name not set.";
return array(0, $this->error_str, array());
}
$url_path = $this->_make_path("STORAGE", $cname);
$limit = intval($limit);
$params = array();
if ($limit > 0) {
$params[] = "limit=$limit";
}
if ($marker) {
$params[] = "marker=".rawurlencode($marker);
}
if ($prefix) {
$params[] = "prefix=".rawurlencode($prefix);
}
if ($path) {
$params[] = "path=".rawurlencode($path);
}
if (!empty($params)) {
$url_path .= "?" . implode("&", $params);
}
$conn_type = "GET_CALL";
$this->_write_callback_type = "TEXT_LIST";
$return_code = $this->_send_request($conn_type,$url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,array());
}
if ($return_code == 204) {
$this->error_str .= "Container has no Objects.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 404) {
$this->error_str .= "Container has no Objects.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 200) {
$this->create_array();
return array($return_code,$this->response_reason, $this->_text_list);
}
$this->error_str .= "Unexpected HTTP response code: $return_code";
return array(0,$this->error_str,array());
}
# GET /v1/Account/Container?format=json
#
function get_objects($cname,$limit=0,$marker=NULL,$prefix=NULL,$path=NULL,$delimiter=NULL)
{
if (strlen($cname) == 0) {
$this->error_str .= "Container name not set.";
return array(0, $this->error_str, array());
}
$url_path = $this->_make_path("STORAGE", $cname);
$limit = intval($limit);
$params = array();
$params[] = "format=json";
if ($limit > 0) {
$params[] = "limit=$limit";
}
if ($marker) {
$params[] = "marker=".rawurlencode($marker);
}
if ($prefix) {
$params[] = "prefix=".rawurlencode($prefix);
}
if ($path) {
$params[] = "path=".rawurlencode($path);
}
if ($delimiter) {
$params[] = "delimiter=".rawurlencode($delimiter);
}
if (!empty($params)) {
$url_path .= "?" . implode("&", $params);
}
$conn_type = "GET_CALL";
$this->_write_callback_type = "OBJECT_STRING";
$return_code = $this->_send_request($conn_type,$url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,array());
}
if ($return_code == 204) {
$this->error_str .= "Container has no Objects.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 404) {
$this->error_str .= "Container has no Objects.";
return array($return_code,$this->error_str,array());
}
if ($return_code == 200) {
$json_body = json_decode($this->_obj_write_string, True);
return array($return_code,$this->response_reason, $json_body);
}
$this->error_str .= "Unexpected HTTP response code: $return_code";
return array(0,$this->error_str,array());
}
# HEAD /v1/Account/Container
#
function head_container($container_name)
{
if ($container_name == "") {
$this->error_str .= "Container name not set.";
return False;
}
if ($container_name != "0" and !isset($container_name)) {
$this->error_str .= "Container name not set.";
return False;
}
$conn_type = "HEAD";
$url_path = $this->_make_path("STORAGE", $container_name);
$return_code = $this->_send_request($conn_type,$url_path);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,0,0, array());
}
if ($return_code == 404) {
$this->error_str .= "Container not found.";
return array($return_code,$this->error_str,0,0, array());
}
if ($return_code == 204 || $return_code == 200) {
return array($return_code,$this->error_str . $this->response_reason,
$this->_container_object_count, $this->_container_bytes_used,
$this->_container_metadata);
}
return array($return_code,$this->response_reason,0,0, array());
}
# GET /v1/Account/Container/Object
#
function get_object_to_string(&$obj, $hdrs=array())
{
if (!is_object($obj) || get_class($obj) != "CF_Object") {
throw new SyntaxException(
"Method argument is not a valid CF_Object.");
}
$conn_type = "GET_CALL";
$url_path = $this->_make_path("STORAGE", $obj->container->name,$obj->name);
$this->_write_callback_type = "OBJECT_STRING";
$return_code = $this->_send_request($conn_type,$url_path,$hdrs);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array($return_code0,$this->error_str,NULL);
}
if ($return_code == 404) {
$this->error_str .= "Object not found.";
return array($return_code0,$this->error_str,NULL);
}
if (($return_code < 200) || ($return_code > 299
&& $return_code != 412 && $return_code != 304)) {
$this->error_str .= "Unexpected HTTP return code: $return_code";
return array($return_code,$this->error_str,NULL);
}
return array($return_code,$this->error_str . $this->response_reason, $this->_obj_write_string);
}
# GET /v1/Account/Container/Object
#
function get_object_to_stream(&$obj, &$resource=NULL, $hdrs=array())
{
if (!is_object($obj) || get_class($obj) != "CF_Object") {
throw new SyntaxException(
"Method argument is not a valid CF_Object.");
}
if (!is_resource($resource)) {
throw new SyntaxException(
"Resource argument not a valid PHP resource.");
}
$conn_type = "GET_CALL";
$url_path = $this->_make_path("STORAGE", $obj->container->name,$obj->name);
$this->_obj_write_resource = $resource;
$this->_write_callback_type = "OBJECT_STREAM";
$return_code = $this->_send_request($conn_type,$url_path,$hdrs);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array($return_code,$this->error_str);
}
if ($return_code == 404) {
$this->error_str .= "Object not found.";
return array($return_code,$this->error_str);
}
if (($return_code < 200) || ($return_code > 299
&& $return_code != 412 && $return_code != 304)) {
$this->error_str .= "Unexpected HTTP return code: $return_code";
return array($return_code,$this->error_str);
}
return array($return_code,$this->error_str . $this->response_reason);
}
# PUT /v1/Account/Container/Object
#
function put_object(&$obj, &$fp)
{
if (!is_object($obj) || get_class($obj) != "CF_Object") {
throw new SyntaxException(
"Method argument is not a valid CF_Object.");
}
if (!is_resource($fp)) {
throw new SyntaxException(
"File pointer argument is not a valid resource.");
}
$conn_type = "PUT_OBJ";
$url_path = $this->_make_path("STORAGE", $obj->container->name,$obj->name);
$hdrs = $this->_headers($obj);
$etag = $obj->getETag();
if (isset($etag)) {
$hdrs[] = "ETag: " . $etag;
}
if (!$obj->content_type) {
$hdrs[] = "Content-Type: application/octet-stream";
} else {
$hdrs[] = "Content-Type: " . $obj->content_type;
}
$this->_init($conn_type);
curl_setopt($this->connections[$conn_type],
CURLOPT_INFILE, $fp);
if (!$obj->content_length) {
# We don''t know the Content-Length, so assumed "chunked" PUT
#
curl_setopt($this->connections[$conn_type], CURLOPT_UPLOAD, True);
$hdrs[] = 'Transfer-Encoding: chunked';
} else {
# We know the Content-Length, so use regular transfer
#
curl_setopt($this->connections[$conn_type],
CURLOPT_INFILESIZE, $obj->content_length);
}
$return_code = $this->_send_request($conn_type,$url_path,$hdrs);
if (!$return_code) {
$this->error_str .= ": Failed to obtain valid HTTP response.";
return array(0,$this->error_str,NULL);
}
if ($return_code == 412) {
$this->error_str .= "Missing Content-Type header";
return array($return_code,$this->error_str,NULL);
}
if ($return_code == 422) {
$this->error_str .= "Derived and computed checksums do not match.";
return array($return_code,$this->error_str,NULL);
}
if ($return_code != 201) {
$this->error_str .= "Unexpected HTTP return code: $return_code";
return array($return_code,$this->error_str,NULL);
}
return array($return_code,$this->response_reason,$this->_obj_etag);
}
function post_account(&$conn)
{
if (!is_object($conn) || get_class($conn) != "CF_Connection") {
throw new SyntaxException(
"Method argument is not a valid CF_Connection object.");
}
if (!is_array($conn->metadata)) {
throw new SyntaxException("Metadata array is empty");
}
$return_code = $this->_send_request("DEL_POST", $this->_make_path("STORAGE"), $conn->metadata, "POST");
switch ($return_code) {
case 202:
case 201:
break;
case 0:
$this->error_str .= ": Failed to obtain valid HTTP response.";
$return_code = 0;
break;
case 404:
$this->error_str .= "Account, Container, or Object not found.";
break;
default:
$this->error_str .= "Unexpected HTTP return code: $return_code";
break;
}
return $return_code;
}
function post_container(&$cont)
{
if (!is_object($cont) || get_class($cont) != "CF_Container") {
throw new SyntaxException(
"Method argument is not a valid CF_Container object.");
}
if (!is_array($cont->metadata)) {
throw new SyntaxException("Metadata array is empty");
}
$return_code = $this->_send_request("DEL_POST", $this->_make_path("STORAGE", $cont->name), $cont->metadata, "POST");
switch ($return_code) {
case 201:
case 202:
break;
case 0:
$this->error_str .= ": Failed to obtain valid HTTP response.";
$return_code = 0;
break;
case 404:
$this->error_str .= "Account, Container, or Object not found.";
break;
default:
$this->error_str .= "Unexpected HTTP return code: $return_code";
break;
}
return $return_code;
}
# POST /v1/Account/Container/Object
#
function update_object(&$obj)
{
if (!is_object($obj) || get_class($obj) != "CF_Object") {
throw new SyntaxException(
"Method argument is not a valid CF_Object.");
}
# TODO: The is_array check isn't in sync with the error message
if (!$obj->manifest && !(is_array($obj->metadata) || is_array($obj->headers))) {
$this->error_str .= "Metadata and headers arrays are empty.";
return 0;
}
$url_path = $this->_make_path("STORAGE", $obj->container->name,$obj->name);
$hdrs = $this->_headers($obj);
$return_code = $this->_send_request("DEL_POST",$url_path,$hdrs,"POST");
switch ($return_code) {
case 202:
break;
case 0:
$this->error_str .= ": Failed to obtain valid HTTP response.";
$return_code = 0;
break;
case 404:
$this->error_str .= "Account, Container, or Object not found.";
break;
default:
$this->error_str .= "Unexpected HTTP return code: $return_code";
break;
}
return $return_code;
}
# HEAD /v1/Account/Container/Object
#
function head_object(&$obj)
{
if (!is_object($obj) || get_class($obj) != "CF_Object") {
throw new SyntaxException(
"Method argument is not a valid CF_Object.");
}
$conn_type = "HEAD";
$url_path = $this->_make_path("STORAGE", $obj->container->name,$obj->name);