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ðŸ“„ cloudfiles.php(90.98 KB)
ðŸ“„ cloudfiles_exceptions.php(1.83 KB)
ðŸ“„ cloudfiles_http.php(55.11 KB)

Editing: cloudfiles_http.php

<?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.
 *
 * Requires PHP 5.x (for Exceptions and OO syntax)
 *
 * See COPYING for license information.
 *
 * @author Eric "EJ" Johnson <ej@racklabs.com>
 * @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 UpdraftPlus_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 = NULL;

$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 parameters 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"
        );

//	We don't want this happening automatically - since the UpdraftPlus default is to use our own certificate already
//         if (in_array((strtolower (substr(PHP_OS, 0,3))), $OS_CAFILE_NONUPDATED))
//             $this->ssl_use_cabundle();
        
    }

# 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_CAINFO, $this->cabundle_path);
        }
        if (defined('UPDRAFTPLUS_SSL_DISABLEVERIFY')) {
            curl_setopt($curl_ch, CURLOPT_SSL_VERIFYPEER, UPDRAFTPLUS_SSL_DISABLEVERIFY);
        } elseif (UpdraftPlus_Options::get_updraft_option('updraft_ssl_disableverify')) {
            curl_setopt($curl_ch, CURLOPT_SSL_VERIFYPEER, false);
        } else {
            curl_setopt($curl_ch, CURLOPT_SSL_VERIFYPEER, true);
        }

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_close($curl_ch);

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 ($return_code == 401) {
            return array($return_code,"Unauthorized",array());
        }
        if ($return_code == 404) {
            return array($return_code,"Account not found.",array());
        }
        if ($return_code == 204) {
            return array($return_code,"Account has no CDN enabled Containers.",
                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,$this->response_reason,False);
        }
        if (!in_array($return_code, array(201,202))) {
            $this->error_str="Unexpected HTTP response: ".$this->response_reason;
            return array($return_code,$this->response_reason,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 ($return_code == 401) {
            return array($return_code,"Unauthorized",NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
        }
        if ($return_code == 404) {
            return array($return_code,"Account not found.",NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
        }
        if ($return_code == 204) {
            return array($return_code,$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 ($return_code == 204) {
            return array($return_code, "Account has no containers.", 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";

$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 ($return_code == 204) {
            return array($return_code, "Account has no containers.", 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 ($return_code == 404) {
            return array($return_code,"Account not found.",0,0, NULL, array());
        }
        if ($return_code == 204) {
            return array($return_code,$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 ($return_code == 404) {
            return array($return_code,"Container not found.",0,0, array());
        }
        if ($return_code == 204 || $return_code == 200) {
            return array($return_code,$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) != "UpdraftPlus_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->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($obj) != "UpdraftPlus_CF_Object") {
            throw new SyntaxException(
                "Method argument is not a valid CF_Object.");
        }
        if (!is_resource($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->response_reason);
    }

# PUT /v1/Account/Container/Object
    #
    function put_object(&$obj, &$fp)
    {
        if (!is_object($obj) || get_class($obj) != "UpdraftPlus_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($conn) != "UpdraftPlus_CF_Connection") {
            throw new SyntaxException(
                "Method argument is not a valid CF_Connection object.");
        }
        if (!is_array($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) != "UpdraftPlus_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) != "UpdraftPlus_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) != "UpdraftPlus_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);
        $return_code = $this->_send_request($conn_type,$url_path);

if (!$return_code) {
            $this->error_str .= ": Failed to obtain valid HTTP response.";
            return array(0, $this->error_str." ".$this->response_reason,
                NULL, NULL, NULL, NULL, array(), NULL, NULL, NULL, array());
        }

if ($return_code == 404) {
            return array($return_code, $this->response_reason,
                NULL, NULL, NULL, NULL, array(), NULL, NULL, NULL, array());
        }
        if ($return_code == 204 || $return_code == 200) {
            return array($return_code,$this->response_reason,
                $this->_obj_etag,
                $this->_obj_last_modified,
                $this->_obj_content_type,
                $this->_obj_content_length,
                $this->_obj_metadata,
                $this->_obj_manifest,
                $this->_obj_delete_at,
                $this->_obj_delete_after,
                $this->_obj_headers);
        }
        $this->error_str = "Unexpected HTTP return code: $return_code";
        return array($return_code, $this->error_str." ".$this->response_reason,
                NULL, NULL, NULL, NULL, array(), NULL, NULL, NULL, array());
    }

# COPY /v1/Account/Container/Object
    #
    function copy_object($src_obj_name, $dest_obj_name, $container_name_source, $container_name_target, $metadata=NULL, $headers=NULL)
    {
        if (!$src_obj_name) {
            $this->error_str = "Object name not set.";
            return 0;
        }

if ($container_name_source == "") {
            $this->error_str = "Container name source not set.";
            return 0;
        }

if ($container_name_source != "0" and !isset($container_name_source)) {
            $this->error_str = "Container name source not set.";
            return 0;
        }

if ($container_name_target == "") {
            $this->error_str = "Container name target not set.";
            return 0;
        }

if ($container_name_target != "0" and !isset($container_name_target)) {
            $this->error_str = "Container name target not set.";
            return 0;
        }

$conn_type = "COPY";

$url_path = $this->_make_path("STORAGE", $container_name_source, rawurlencode($src_obj_name));
        $destination = rawurlencode($container_name_target."/".$dest_obj_name);

$hdrs = self::_process_headers($metadata, $headers);
        $hdrs[DESTINATION] = $destination;

$return_code = $this->_send_request($conn_type,$url_path,$hdrs,"COPY");
        switch ($return_code) {
        case 201:
            break;
        case 0:
            $this->error_str .= ": Failed to obtain valid HTTP response.";
            $return_code = 0;
            break;
        case 404:
            $this->error_str = "Specified container/object did not exist.";
            break;
        default:
            $this->error_str = "Unexpected HTTP return code: $return_code.";
        }
        return $return_code;
    }

# DELETE /v1/Account/Container/Object
    #
    function delete_object($container_name, $object_name)
    {
        if ($container_name == "") {
            $this->error_str = "Container name not set.";
            return 0;
        }
        
        if ($container_name != "0" and !isset($container_name)) {
            $this->error_str = "Container name not set.";
            return 0;
        }
        
        if (!$object_name) {
            $this->error_str = "Object name not set.";
            return 0;
        }

$url_path = $this->_make_path("STORAGE", $container_name,$object_name);
        $return_code = $this->_send_request("DEL_POST",$url_path,NULL,"DELETE");
        switch ($return_code) {
        case 204:
            break;
        case 0:
            $this->error_str .= ": Failed to obtain valid HTTP response.";
            $return_code = 0;
            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;
    }

function get_error()
    {
        return $this->error_str;
    }

function setDebug($bool)
    {
        $this->dbug = $bool;
        foreach ($this->connections as $k => $v) {
            if (!is_null($v)) {
                curl_setopt($this->connections[$k], CURLOPT_VERBOSE, $this->dbug);
            }
        }
    }

function getCDNMUrl()
    {
        return $this->cdnm_url;
    }

function getStorageUrl()
    {
        return $this->storage_url;
    }

function getAuthToken()
    {
        return $this->auth_token;
    }

function setReadProgressFunc($func_name)
    {
        $this->_user_read_progress_callback_func = $func_name;
    }

function setWriteProgressFunc($func_name)
    {
        $this->_user_write_progress_callback_func = $func_name;
    }
    private function _header_cb($ch, $header)
    {
        $header_len = strlen($header);

if (preg_match("/^(HTTP\/1\.[01]) (\d{3}) (.*)/", $header, $matches)) {
            $this->response_status = $matches[2];
            $this->response_reason = $matches[3];
            return $header_len;
        }

if (strpos($header, ":") === False)
            return $header_len;
        list($name, $value) = explode(":", $header, 2);
        $value = trim($value);

switch (strtolower($name)) {
        case strtolower(CDN_ENABLED):
            $this->_cdn_enabled = strtolower($value) == "true";
            break;
        case strtolower(CDN_URI):
            $this->_cdn_uri = $value;
            break;
        case strtolower(CDN_SSL_URI):
            $this->_cdn_ssl_uri = $value;
            break;
        case strtolower(CDN_STREAMING_URI):
            $this->_cdn_streaming_uri = $value;
            break;
        case strtolower(CDN_TTL):
            $this->_cdn_ttl = $value;
            break;
        case strtolower(MANIFEST_HEADER):
            $this->_obj_manifest = $value;
            break;
        case strtolower(CDN_LOG_RETENTION):
            $this->_cdn_log_retention = strtolower($value) == "true";
            break;
        case strtolower(CDN_ACL_USER_AGENT):
            $this->_cdn_acl_user_agent = $value;
            break;
        case strtolower(CDN_ACL_REFERRER):
            $this->_cdn_acl_referrer = $value;
            break;
        case strtolower(ACCOUNT_CONTAINER_COUNT):
            $this->_account_container_count = (float)$value+0;
            break;
        case strtolower(ACCOUNT_BYTES_USED):
            $this->_account_bytes_used = (float)$value+0;
            break;
        case strtolower(CONTAINER_OBJ_COUNT):
            $this->_container_object_count = (float)$value+0;
            break;
        case strtolower(CONTAINER_BYTES_USED):
            $this->_container_bytes_used = (float)$value+0;
            break;
        case strtolower(ETAG_HEADER):
            $this->_obj_etag = $value;
            break;
        case strtolower(LAST_MODIFIED_HEADER):
            $this->_obj_last_modified = $value;
            break;
        case strtolower(CONTENT_TYPE_HEADER):
            $this->_obj_content_type = $value;
            break;
        case strtolower(CONTENT_LENGTH_HEADER):
            $this->_obj_content_length = (float)$value+0;
            break;
        case strtolower(ORIGIN_HEADER):
            $this->_obj_headers[ORIGIN_HEADER] = $value;
            break;
        case strtolower(ACCOUNT_KEY):
            $this->_account_key = $value;
            break;
        default:
            if (strncasecmp($name, METADATA_HEADER_PREFIX, strlen(METADATA_HEADER_PREFIX)) == 0) {
                $name = substr($name, strlen(METADATA_HEADER_PREFIX));
                $this->_obj_metadata[$name] = $value;
            }
            elseif ((strncasecmp($name, CONTENT_HEADER_PREFIX, strlen(CONTENT_HEADER_PREFIX)) == 0) ||
                    (strncasecmp($name, ACCESS_CONTROL_HEADER_PREFIX, strlen(ACCESS_CONTROL_HEADER_PREFIX)) == 0)) {
                $this->_obj_headers[$name] = $value;
            }
            elseif (strncasecmp($name, ACCOUNT_METADATA_HEADER_PREFIX, strlen(ACCOUNT_METADATA_HEADER_PREFIX)) == 0) {
                $this->_account_metadata[$name] = $value;
            }
            elseif (strncasecmp($name, CONTAINER_METADATA_HEADER_PREFIX, strlen(CONTAINER_METADATA_HEADER_PREFIX)) == 0) {
                $this->_container_metadata[$name] = $value;
            }
        }
        return $header_len;
    }

private function _read_cb($ch, $fd, $length)
    {
        $data = fread($fd, $length);
        $len = strlen($data);
        if (isset($this->_user_write_progress_callback_func)) {
            call_user_func($this->_user_write_progress_callback_func, $len);
        }
        return $data;
    }

private function _write_cb($ch, $data)
    {
        $dlen = strlen($data);
        switch ($this->_write_callback_type) {
        case "TEXT_LIST":
	     $this->_return_list = $this->_return_list . $data;
	     //= explode("\n",$data); # keep tab,space
	     //his->_text_list[] = rtrim($data,"\n\r\x0B"); # keep tab,space
            break;
        case "OBJECT_STREAM":
            fwrite($this->_obj_write_resource, $data, $dlen);
            break;
        case "OBJECT_STRING":
            $this->_obj_write_string .= $data;
            break;
        }
        if (isset($this->_user_read_progress_callback_func)) {
            call_user_func($this->_user_read_progress_callback_func, $dlen);
        }
        return $dlen;
    }

private function _auth_hdr_cb($ch, $header)
    {
        preg_match("/^HTTP\/1\.[01] (\d{3}) (.*)/", $header, $matches);
        if (isset($matches[1])) {
            $this->response_status = $matches[1];
        }
        if (isset($matches[2])) {
            $this->response_reason = $matches[2];
        }
        if (stripos($header, STORAGE_URL) === 0) {
            $this->storage_url = trim(substr($header, strlen(STORAGE_URL)+1));
        }
        if (stripos($header, CDNM_URL) === 0) {
            $this->cdnm_url = trim(substr($header, strlen(CDNM_URL)+1));
        }
        if (stripos($header, AUTH_TOKEN) === 0) {
            $this->auth_token = trim(substr($header, strlen(AUTH_TOKEN)+1));
        }
        if (stripos($header, AUTH_TOKEN_LEGACY) === 0) {
            $this->auth_token = trim(substr($header,strlen(AUTH_TOKEN_LEGACY)+1));
        }
        return strlen($header);
    }

private function _make_headers($hdrs=NULL)
    {
        $new_headers = array();
        $has_stoken = False;
        $has_uagent = False;
        if (is_array($hdrs)) {
            foreach ($hdrs as $h => $v) {
                if (is_int($h)) {
                    list($h, $v) = explode(":", $v, 2);
                }

if (strncasecmp($h, AUTH_TOKEN, strlen(AUTH_TOKEN)) === 0) {
                    $has_stoken = True;
                }
                if (strncasecmp($h, USER_AGENT_HEADER, strlen(USER_AGENT_HEADER)) === 0) {
                    $has_uagent = True;
                }
                $new_headers[] = $h . ": " . trim($v);
            }
        }
        if (!$has_stoken) {
            $new_headers[] = AUTH_TOKEN . ": " . $this->auth_token;
        }
        if (!$has_uagent) {
            $new_headers[] = USER_AGENT_HEADER . ": " . USER_AGENT;
        }
        return $new_headers;
    }

private function _init($conn_type, $force_new=False)
    {
        if (!array_key_exists($conn_type, $this->connections)) {
            $this->error_str = "Invalid CURL_XXX connection type";
            return False;
        }

if (is_null($this->connections[$conn_type]) || $force_new) {
            $ch = curl_init();
        } else {
            return;
        }

if ($this->dbug) { curl_setopt($ch, CURLOPT_VERBOSE, 1); }

if (!is_null($this->cabundle_path)) {
            curl_setopt($ch, CURLOPT_CAINFO, $this->cabundle_path);
        }
        if (UpdraftPlus_Options::get_updraft_option('updraft_ssl_disableverify')) {
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		} else {
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
		}
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        curl_setopt($ch, CURLOPT_MAXREDIRS, 4);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_HEADERFUNCTION, array(&$this, '_header_cb'));

if ($conn_type == "GET_CALL") {
            curl_setopt($ch, CURLOPT_WRITEFUNCTION, array(&$this, '_write_cb'));
        }

if ($conn_type == "PUT_OBJ") {
            curl_setopt($ch, CURLOPT_PUT, 1);
            curl_setopt($ch, CURLOPT_READFUNCTION, array(&$this, '_read_cb'));
	    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        }
        if ($conn_type == "HEAD") {
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "HEAD");
            curl_setopt($ch, CURLOPT_NOBODY, 1);
        }
        if ($conn_type == "PUT_CONT") {
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT");
            curl_setopt($ch, CURLOPT_INFILESIZE, 0);
	    curl_setopt($ch, CURLOPT_NOBODY, 1);
        }
        if ($conn_type == "DEL_POST") {
        	curl_setopt($ch, CURLOPT_NOBODY, 1);
	}
        if ($conn_type == "COPY") {
            curl_setopt($ch, CURLOPT_NOBODY, 1);
        }
        $this->connections[$conn_type] = $ch;
        return;
    }

private function _reset_callback_vars()
    {
        $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_at = NULL;
        $this->_obj_delete_after = NULL;
        $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->_obj_write_string = "";
        $this->_cdn_streaming_uri = NULL;
        $this->_cdn_enabled = NULL;
        $this->_cdn_ssl_uri = NULL;
        $this->_cdn_uri = NULL;
        $this->_cdn_ttl = NULL;
        $this->response_status = 0;
        $this->response_reason = "";
    }

private function _make_path($t="STORAGE",$c=NULL,$o=NULL)
    {
        $path = array();
        switch ($t) {
        case "STORAGE":
            $path[] = $this->storage_url; break;
        case "CDN":
            $path[] = $this->cdnm_url; break;
        }
        if ($c != "") {
            $path[] = rawurlencode($c);
    	}
        if ($o) {
            # mimic Python''s urllib.quote() feature of a "safe" '/' character
            #
            $path[] = str_replace("%2F","/",rawurlencode($o));
        }
        return implode("/",$path);
    }

private function _headers(&$obj)
    {
        $hdrs = self::_process_headers($obj->metadata, $obj->headers);
        if ($obj->manifest)
            $hdrs[MANIFEST_HEADER] = $obj->manifest;

return $hdrs;
    }

private function _process_headers($metadata=null, $headers=null)
    {
        $rules = array(
            array(
                'prefix' => METADATA_HEADER_PREFIX,
            ),
            array(
                'prefix' => '',
                'filter' => array( # key order is important, first match decides
                    CONTENT_TYPE_HEADER          => false,
                    CONTENT_LENGTH_HEADER        => false,
                    CONTENT_HEADER_PREFIX        => true,
                    ACCESS_CONTROL_HEADER_PREFIX => true,
                    ORIGIN_HEADER                => true,
                ),
            ),
        );

$hdrs = array();
        $argc = func_num_args();
        $argv = func_get_args();
        for ($argi = 0; $argi < $argc; $argi++) {
            if(!is_array($argv[$argi])) continue;

$rule = $rules[$argi];
            foreach ($argv[$argi] as $k => $v) {
                $k = trim($k);
                $v = trim($v);
                if (strpos($k, ":") !== False) throw new SyntaxException(
                    "Header names cannot contain a ':' character.");

if (array_key_exists('filter', $rule)) {
                    $result = null;
                    foreach ($rule['filter'] as $p => $f) {
                        if (strncasecmp($k, $p, strlen($p)) == 0) {
                            $result = $f;
                            break;
                        }
                    }
                    if (!$result) throw new SyntaxException(sprintf(
                        "Header name %s is not allowed", $k)); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped -- The escaping should be happening when the exception is printed
                }

$k = $rule['prefix'] . $k;
                if (strlen($k) > MAX_HEADER_NAME_LEN || strlen($v) > MAX_HEADER_VALUE_LEN)
                    throw new SyntaxException(sprintf(
                        "Header %s exceeds maximum length: %d/%d",
                            $k, strlen($k), strlen($v))); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped -- The escaping should be happening when the exception is printed

$hdrs[$k] = $v;
            }
        }

return $hdrs;
    }
    
    private function _send_request($conn_type, $url_path, $hdrs=NULL, $method="GET", $force_new=False)
    {
        $this->_init($conn_type, $force_new);
        $this->_reset_callback_vars();
        $headers = $this->_make_headers($hdrs);

if (gettype($this->connections[$conn_type]) == "unknown type")
            throw new ConnectionNotOpenException (
                "Connection is not open."
                );
        
        switch ($method) {
        case "COPY":
            curl_setopt($this->connections[$conn_type],
                CURLOPT_CUSTOMREQUEST, "COPY");
            break;
        case "DELETE":
            curl_setopt($this->connections[$conn_type],
                CURLOPT_CUSTOMREQUEST, "DELETE");
            break;
        case "POST":
            curl_setopt($this->connections[$conn_type],
                CURLOPT_CUSTOMREQUEST, "POST");
        default:
            break;
        }

curl_setopt($this->connections[$conn_type],
                    CURLOPT_HTTPHEADER, $headers);

curl_setopt($this->connections[$conn_type],
            CURLOPT_URL, $url_path);

if (!curl_exec($this->connections[$conn_type]) && curl_errno($this->connections[$conn_type]) !== 0) {
            $this->error_str = "(curl error: "
                . curl_errno($this->connections[$conn_type]) . ") ";
            $this->error_str .= curl_error($this->connections[$conn_type]);
            return False;
        }
        return curl_getinfo($this->connections[$conn_type], CURLINFO_HTTP_CODE);
    }
    
    function close()
    {
        foreach ($this->connections as $cnx) {
            if (isset($cnx)) {
                curl_close($cnx);
                $this->connections[$cnx] = NULL;
            }
        }
    }
    private function create_array()
    {
	$this->_text_list = explode("\n",rtrim($this->_return_list,"\n\x0B"));
	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:
 */
?>

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