function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
{
$this->url = $url;
$this->timeout = $timeout;
$this->redirects = $redirects;
$this->headers = $headers;
$this->useragent = $useragent;
$this->method = SIMPLEPIE_FILE_SOURCE_REMOTE;
if (preg_match('/^http(s)?:\\/\\//i', $url)) {
$args = array('timeout' => $this->timeout, 'redirection' => $this->redirects);
if (!empty($this->headers)) {
$args['headers'] = $this->headers;
}
if (SIMPLEPIE_USERAGENT != $this->useragent) {
//Use default nxt user agent unless custom has been specified
$args['user-agent'] = $this->useragent;
}
$res = nxt_remote_request($url, $args);
if (is_nxt_error($res)) {
$this->error = 'nxt HTTP Error: ' . $res->get_error_message();
$this->success = false;
} else {
$this->headers = nxt_remote_retrieve_headers($res);
$this->body = nxt_remote_retrieve_body($res);
$this->status_code = nxt_remote_retrieve_response_code($res);
}
} else {
if (!($this->body = file_get_contents($url))) {
$this->error = 'file_get_contents could not read the file';
$this->success = false;
}
}
}
function query()
{
$args = func_get_args();
$method = array_shift($args);
$request = new IXR_Request($method, $args);
$xml = $request->getXml();
$port = $this->port ? ":{$this->port}" : '';
$url = $this->scheme . '://' . $this->server . $port . $this->path;
$args = array('headers' => array('Content-Type' => 'text/xml'), 'user-agent' => $this->useragent, 'body' => $xml);
// Merge Custom headers ala #8145
foreach ($this->headers as $header => $value) {
$args['headers'][$header] = $value;
}
if ($this->timeout !== false) {
$args['timeout'] = $this->timeout;
}
// Now send the request
if ($this->debug) {
echo '<pre class="ixr_request">' . htmlspecialchars($xml) . "\n</pre>\n\n";
}
$response = nxt_remote_post($url, $args);
if (is_nxt_error($response)) {
$errno = $response->get_error_code();
$errorstr = $response->get_error_message();
$this->error = new IXR_Error(-32300, "transport error: {$errno} {$errorstr}");
return false;
}
if (200 != nxt_remote_retrieve_response_code($response)) {
$this->error = new IXR_Error(-32301, 'transport error - HTTP status code was not 200 (' . nxt_remote_retrieve_response_code($response) . ')');
return false;
}
if ($this->debug) {
echo '<pre class="ixr_response">' . htmlspecialchars(nxt_remote_retrieve_body($response)) . "\n</pre>\n\n";
}
// Now parse what we've got back
$this->message = new IXR_Message(nxt_remote_retrieve_body($response));
if (!$this->message->parse()) {
// XML error
$this->error = new IXR_Error(-32700, 'parse error. not well formed');
return false;
}
// Is the message a fault?
if ($this->message->messageType == 'fault') {
$this->error = new IXR_Error($this->message->faultCode, $this->message->faultString);
return false;
}
// Message must be OK
return true;
}
/**
* Gets the Pingback endpoint URI provided by a web page specified by URL
*
* @return string|boolean Returns the Pingback endpoint URI if found or false
*/
function get_endpoint_uri($url)
{
// First check for an X-pingback header
if (!($response = nxt_remote_head($url))) {
return false;
}
if (!($content_type = nxt_remote_retrieve_header($response, 'content-type'))) {
return false;
}
if (preg_match('#(image|audio|video|model)/#is', $content_type)) {
return false;
}
if ($x_pingback = nxt_remote_retrieve_header($response, 'x-pingback')) {
return trim($x_pingback);
}
// Fall back to extracting it from the HTML link
if (!($response = nxt_remote_get($url))) {
return false;
}
if (200 !== nxt_remote_retrieve_response_code($response)) {
return false;
}
if ('' === ($response_body = nxt_remote_retrieve_body($response))) {
return false;
}
if (!preg_match_all('@<link([^>]+)>@im', $response_body, $response_links)) {
return false;
}
foreach ($response_links[1] as $response_link_attributes) {
$_link = array('rel' => false, 'href' => false);
$response_link_attributes = preg_split('@\\s+@im', $response_link_attributes, -1, PREG_SPLIT_NO_EMPTY);
foreach ($response_link_attributes as $response_link_attribute) {
if ($_link['rel'] == 'pingback' && $_link['href']) {
return $_link['href'];
}
if (strpos($response_link_attribute, '=', 1) !== false) {
list($_key, $_value) = explode('=', $response_link_attribute, 2);
$_link[strtolower($_key)] = trim($_value, "'\"");
}
}
}
// Fail
return false;
}
function nxt_credits()
{
global $nxt_version;
$locale = get_locale();
$results = get_site_transient('nxtclass_credits_' . $locale);
if (!is_array($results)) {
$response = nxt_remote_get("http://api.nxtclass.org/core/credits/1.0/?version={$nxt_version}&locale={$locale}");
if (is_nxt_error($response) || 200 != nxt_remote_retrieve_response_code($response)) {
return false;
}
$results = maybe_unserialize(nxt_remote_retrieve_body($response));
if (!is_array($results)) {
return false;
}
set_site_transient('nxtclass_credits_' . $locale, $results, 86400);
// One day
}
return $results;
}
/**
* Check theme versions against the latest versions hosted on NXTClass.org.
*
* A list of all themes installed in sent to nxt. Checks against the
* NXTClass server at api.nxtclass.org. Will only check if NXTClass isn't
* installing.
*
* @package NXTClass
* @since 2.7.0
* @uses $nxt_version Used to notify the NXTClass version.
*
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
*/
function nxt_update_themes()
{
include ABSPATH . nxtINC . '/version.php';
// include an unmodified $nxt_version
if (defined('nxt_INSTALLING')) {
return false;
}
if (!function_exists('get_themes')) {
require_once ABSPATH . 'nxt-includes/theme.php';
}
$installed_themes = get_themes();
$last_update = get_site_transient('update_themes');
if (!is_object($last_update)) {
$last_update = new stdClass();
}
// Check for updated every 60 minutes if hitting update pages; else, check every 12 hours.
$timeout = in_array(current_filter(), array('load-themes.php', 'load-update.php', 'load-update-core.php')) ? 3600 : 43200;
$time_not_changed = isset($last_update->last_checked) && $timeout > time() - $last_update->last_checked;
$themes = array();
$checked = array();
$exclude_fields = array('Template Files', 'Stylesheet Files', 'Status', 'Theme Root', 'Theme Root URI', 'Template Dir', 'Stylesheet Dir', 'Description', 'Tags', 'Screenshot');
// Put slug of current theme into request.
$themes['current_theme'] = get_option('stylesheet');
foreach ((array) $installed_themes as $theme_title => $theme) {
$themes[$theme['Stylesheet']] = array();
$checked[$theme['Stylesheet']] = $theme['Version'];
$themes[$theme['Stylesheet']]['Name'] = $theme['Name'];
$themes[$theme['Stylesheet']]['Version'] = $theme['Version'];
foreach ((array) $theme as $key => $value) {
if (!in_array($key, $exclude_fields)) {
$themes[$theme['Stylesheet']][$key] = $value;
}
}
}
$theme_changed = false;
foreach ($checked as $slug => $v) {
$update_request->checked[$slug] = $v;
if (!isset($last_update->checked[$slug]) || strval($last_update->checked[$slug]) !== strval($v)) {
$theme_changed = true;
}
}
if (isset($last_update->response) && is_array($last_update->response)) {
foreach ($last_update->response as $slug => $update_details) {
if (!isset($checked[$slug])) {
$theme_changed = true;
break;
}
}
}
if ($time_not_changed && !$theme_changed) {
return false;
}
// Update last_checked for current to prevent multiple blocking requests if request hangs
$last_update->last_checked = time();
set_site_transient('update_themes', $last_update);
$options = array('timeout' => defined('DOING_CRON') && DOING_CRON ? 30 : 3, 'body' => array('themes' => serialize($themes)), 'user-agent' => 'NXTClass/' . $nxt_version . '; ' . get_bloginfo('url'));
$raw_response = nxt_remote_post('http://api.nxtclass.org/themes/update-check/1.0/', $options);
if (is_nxt_error($raw_response) || 200 != nxt_remote_retrieve_response_code($raw_response)) {
return false;
}
$new_update = new stdClass();
$new_update->last_checked = time();
$new_update->checked = $checked;
$response = unserialize(nxt_remote_retrieve_body($raw_response));
if (false !== $response) {
$new_update->response = $response;
}
set_site_transient('update_themes', $new_update);
}
/**
* populate network settings
*
* @since 3.0.0
*
* @param int $network_id id of network to populate
* @return bool|nxt_Error True on success, or nxt_Error on warning (with the install otherwise successful,
* so the error code must be checked) or failure.
*/
function populate_network($network_id = 1, $domain = '', $email = '', $site_name = '', $path = '/', $subdomain_install = false)
{
global $nxtdb, $current_site, $nxt_db_version, $nxt_rewrite;
$errors = new nxt_Error();
if ('' == $domain) {
$errors->add('empty_domain', __('You must provide a domain name.'));
}
if ('' == $site_name) {
$errors->add('empty_sitename', __('You must provide a name for your network of sites.'));
}
// check for network collision
if ($network_id == $nxtdb->get_var($nxtdb->prepare("SELECT id FROM {$nxtdb->site} WHERE id = %d", $network_id))) {
$errors->add('siteid_exists', __('The network already exists.'));
}
$site_user = get_user_by('email', $email);
if (!is_email($email)) {
$errors->add('invalid_email', __('You must provide a valid e-mail address.'));
}
if ($errors->get_error_code()) {
return $errors;
}
// set up site tables
$template = get_option('template');
$stylesheet = get_option('stylesheet');
$allowed_themes = array($stylesheet => true);
if ($template != $stylesheet) {
$allowed_themes[$template] = true;
}
if (nxt_DEFAULT_THEME != $stylesheet && nxt_DEFAULT_THEME != $template) {
$allowed_themes[nxt_DEFAULT_THEME] = true;
}
if (1 == $network_id) {
$nxtdb->insert($nxtdb->site, array('domain' => $domain, 'path' => $path));
$network_id = $nxtdb->insert_id;
} else {
$nxtdb->insert($nxtdb->site, array('domain' => $domain, 'path' => $path, 'id' => $network_id));
}
if (!is_multisite()) {
$site_admins = array($site_user->user_login);
$users = get_users(array('fields' => array('ID', 'user_login')));
if ($users) {
foreach ($users as $user) {
if (is_super_admin($user->ID) && !in_array($user->user_login, $site_admins)) {
$site_admins[] = $user->user_login;
}
}
}
} else {
$site_admins = get_site_option('site_admins');
}
$welcome_email = __('Dear User,
Your new SITE_NAME site has been successfully set up at:
BLOG_URL
You can log in to the administrator account with the following information:
Username: USERNAME
Password: PASSWORD
Log in here: BLOG_URLnxt-login.php
We hope you enjoy your new site. Thanks!
--The SITE_NAME Team');
$sitemeta = array('site_name' => $site_name, 'admin_email' => $site_user->user_email, 'admin_user_id' => $site_user->ID, 'registration' => 'none', 'upload_filetypes' => 'jpg jpeg png gif mp3 mov avi wmv midi mid pdf', 'blog_upload_space' => 10, 'fileupload_maxk' => 1500, 'site_admins' => $site_admins, 'allowedthemes' => $allowed_themes, 'illegal_names' => array('www', 'web', 'root', 'admin', 'main', 'invite', 'administrator', 'files'), 'nxtmu_upgrade_site' => $nxt_db_version, 'welcome_email' => $welcome_email, 'first_post' => __('Welcome to <a href="SITE_URL">SITE_NAME</a>. This is your first post. Edit or delete it, then start blogging!'), 'siteurl' => get_option('siteurl') . '/', 'add_new_users' => '0', 'upload_space_check_disabled' => '0', 'subdomain_install' => intval($subdomain_install), 'global_terms_enabled' => global_terms_enabled() ? '1' : '0', 'initial_db_version' => get_option('initial_db_version'), 'active_sitewide_plugins' => array());
if (!$subdomain_install) {
$sitemeta['illegal_names'][] = 'blog';
}
$insert = '';
foreach ($sitemeta as $meta_key => $meta_value) {
$meta_key = $nxtdb->escape($meta_key);
if (is_array($meta_value)) {
$meta_value = serialize($meta_value);
}
$meta_value = $nxtdb->escape($meta_value);
if (!empty($insert)) {
$insert .= ', ';
}
$insert .= "( {$network_id}, '{$meta_key}', '{$meta_value}')";
}
$nxtdb->query("INSERT INTO {$nxtdb->sitemeta} ( site_id, meta_key, meta_value ) VALUES " . $insert);
$current_site->domain = $domain;
$current_site->path = $path;
$current_site->site_name = ucfirst($domain);
if (!is_multisite()) {
$nxtdb->insert($nxtdb->blogs, array('site_id' => $network_id, 'domain' => $domain, 'path' => $path, 'registered' => current_time('mysql')));
$blog_id = $nxtdb->insert_id;
update_user_meta($site_user->ID, 'source_domain', $domain);
update_user_meta($site_user->ID, 'primary_blog', $blog_id);
if (!($upload_path = get_option('upload_path'))) {
$upload_path = substr(nxt_CONTENT_DIR, strlen(ABSPATH)) . '/uploads';
update_option('upload_path', $upload_path);
}
update_option('fileupload_url', get_option('siteurl') . '/' . $upload_path);
}
if ($subdomain_install) {
update_option('permalink_structure', '/%year%/%monthnum%/%day%/%postname%/');
} else {
update_option('permalink_structure', '/blog/%year%/%monthnum%/%day%/%postname%/');
}
$nxt_rewrite->flush_rules();
if ($subdomain_install) {
$vhost_ok = false;
$errstr = '';
$hostname = substr(md5(time()), 0, 6) . '.' . $domain;
// Very random hostname!
$page = nxt_remote_get('http://' . $hostname, array('timeout' => 5, 'httpversion' => '1.1'));
if (is_nxt_error($page)) {
$errstr = $page->get_error_message();
} elseif (200 == nxt_remote_retrieve_response_code($page)) {
$vhost_ok = true;
}
if (!$vhost_ok) {
$msg = '<p><strong>' . __('Warning! Wildcard DNS may not be configured correctly!') . '</strong></p>';
$msg .= '<p>' . sprintf(__('The installer attempted to contact a random hostname (<code>%1$s</code>) on your domain.'), $hostname);
if (!empty($errstr)) {
$msg .= ' ' . sprintf(__('This resulted in an error message: %s'), '<code>' . $errstr . '</code>');
}
$msg .= '</p>';
$msg .= '<p>' . __('To use a subdomain configuration, you must have a wildcard entry in your DNS. This usually means adding a <code>*</code> hostname record pointing at your web server in your DNS configuration tool.') . '</p>';
$msg .= '<p>' . __('You can still use your site but any subdomain you create may not be accessible. If you know your DNS is correct, ignore this message.') . '</p>';
return new nxt_Error('no_wildcard_dns', $msg);
}
}
return true;
}
/**
* Downloads a url to a local temporary file using the NXTClass HTTP Class.
* Please note, That the calling function must unlink() the file.
*
* @since 2.5.0
*
* @param string $url the URL of the file to download
* @param int $timeout The timeout for the request to download the file default 300 seconds
* @return mixed nxt_Error on failure, string Filename on success.
*/
function download_url($url, $timeout = 300)
{
//WARNING: The file is not automatically deleted, The script must unlink() the file.
if (!$url) {
return new nxt_Error('http_no_url', __('Invalid URL Provided.'));
}
$tmpfname = nxt_tempnam($url);
if (!$tmpfname) {
return new nxt_Error('http_no_file', __('Could not create Temporary file.'));
}
$response = nxt_remote_get($url, array('timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname));
if (is_nxt_error($response)) {
unlink($tmpfname);
return $response;
}
if (200 != nxt_remote_retrieve_response_code($response)) {
unlink($tmpfname);
return new nxt_Error('http_404', trim(nxt_remote_retrieve_response_message($response)));
}
return $tmpfname;
}
/**
* Perform a HTTP HEAD or GET request.
*
* If $file_path is a writable filename, this will do a GET request and write
* the file to that path.
*
* @since 2.5.0
*
* @param string $url URL to fetch.
* @param string|bool $file_path Optional. File path to write request to.
* @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false.
* @return bool|string False on failure and string of headers if HEAD request.
*/
function nxt_get_http($url, $file_path = false, $red = 1)
{
@set_time_limit(60);
if ($red > 5) {
return false;
}
$options = array();
$options['redirection'] = 5;
if (false == $file_path) {
$options['method'] = 'HEAD';
} else {
$options['method'] = 'GET';
}
$response = nxt_remote_request($url, $options);
if (is_nxt_error($response)) {
return false;
}
$headers = nxt_remote_retrieve_headers($response);
$headers['response'] = nxt_remote_retrieve_response_code($response);
// nxt_HTTP no longer follows redirects for HEAD requests.
if ('HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset($headers['location'])) {
return nxt_get_http($headers['location'], $file_path, ++$red);
}
if (false == $file_path) {
return $headers;
}
// GET request - write it to the supplied filename
$out_fp = fopen($file_path, 'w');
if (!$out_fp) {
return $headers;
}
fwrite($out_fp, nxt_remote_retrieve_body($response));
fclose($out_fp);
clearstatcache();
return $headers;
}
/**
* Check if the user needs a browser update
*
* @since 3.2.0
*
* @return array|bool False on failure, array of browser data on success.
*/
function nxt_check_browser_version()
{
if (empty($_SERVER['HTTP_USER_AGENT'])) {
return false;
}
$key = md5($_SERVER['HTTP_USER_AGENT']);
if (false === ($response = get_site_transient('browser_' . $key))) {
global $nxt_version;
$options = array('body' => array('useragent' => $_SERVER['HTTP_USER_AGENT']), 'user-agent' => 'NXTClass/' . $nxt_version . '; ' . get_bloginfo('url'));
$response = nxt_remote_post('http://api.nxtclass.org/core/browse-happy/1.0/', $options);
if (is_nxt_error($response) || 200 != nxt_remote_retrieve_response_code($response)) {
return false;
}
/**
* Response should be an array with:
* 'name' - string - A user friendly browser name
* 'version' - string - The most recent version of the browser
* 'current_version' - string - The version of the browser the user is using
* 'upgrade' - boolean - Whether the browser needs an upgrade
* 'insecure' - boolean - Whether the browser is deemed insecure
* 'upgrade_url' - string - The url to visit to upgrade
* 'img_src' - string - An image representing the browser
* 'img_src_ssl' - string - An image (over SSL) representing the browser
*/
$response = unserialize(nxt_remote_retrieve_body($response));
if (!$response) {
return false;
}
set_site_transient('browser_' . $key, $response, 604800);
// cache for 1 week
}
return $response;
}
function woo_presstrends()
{
if (!defined('WOO_PRESSTRENDS_THEMEKEY')) {
return;
}
// Add your PressTrends API Keys
$api_key = 'ypvilflyjb7yyht8as1u2k0no3rxbgl2p4a9';
$auth = WOO_PRESSTRENDS_THEMEKEY;
// Check if we have cached data.
$data = get_transient('woo_presstrends_data');
if (!$data || $data == '') {
// Don't edit below
$api_base = 'http://api.presstrends.io/index.php/api/sites/add/auth/';
// Run setup
$url = $api_base . $auth . '/api/' . $api_key . '/';
$data = array();
$count_posts = nxt_count_posts();
$comments_count = nxt_count_comments();
$theme_data = get_theme_data(get_template_directory() . '/style.css');
$plugin_count = count(get_option('active_plugins'));
$data['url'] = stripslashes(str_replace(array('http://', '/', ':'), '', site_url()));
$data['posts'] = $count_posts->publish;
$data['comments'] = $comments_count->total_comments;
$data['theme_version'] = $theme_data['Version'];
$data['theme_name'] = str_replace(' ', '', get_bloginfo('name'));
$data['plugins'] = $plugin_count;
foreach ($data as $k => $v) {
$url .= $k . '/' . $v . '/';
}
// Perform the remote request.
$response = nxt_remote_get($url);
if (is_nxt_error($response) || nxt_remote_retrieve_response_code($response) != 200) {
// Silence is golden.
} else {
set_transient('woo_presstrends_data', $data, 60 * 60 * 24);
}
}
}
function et_check_themes_updates($update_transient)
{
global $nxt_version;
if (!isset($update_transient->checked)) {
return $update_transient;
} else {
$themes = $update_transient->checked;
}
$send_to_api = array('action' => 'check_theme_updates', 'installed_themes' => $themes);
$options = array('timeout' => defined('DOING_CRON') && DOING_CRON ? 30 : 3, 'body' => $send_to_api, 'user-agent' => 'NXTClass/' . $nxt_version . '; ' . home_url());
$theme_request = nxt_remote_post('http://www.elegantthemes.com/api/api.php', $options);
if (!is_nxt_error($theme_request) && nxt_remote_retrieve_response_code($theme_request) == 200) {
$theme_response = unserialize(nxt_remote_retrieve_body($theme_request));
if (!empty($theme_response)) {
$update_transient->response = array_merge(!empty($update_transient->response) ? $update_transient->response : array(), $theme_response);
$last_update->checked = $themes;
$last_update->response = $theme_response;
}
}
$last_update->last_checked = time();
set_site_transient('et_update_themes', $last_update);
return $update_transient;
}
function woo_presstrends()
{
if (!defined('WOO_PRESSTRENDS_THEMEKEY')) {
return;
}
// Add your PressTrends API Keys
$api_key = 'ypvilflyjb7yyht8as1u2k0no3rxbgl2p4a9';
$auth = WOO_PRESSTRENDS_THEMEKEY;
// Check if we have cached data.
$data = get_transient('woo_presstrends_data');
if (!$data || $data == '') {
global $nxtdb;
// Don't edit below
$api_base = 'http://api.presstrends.io/index.php/api/sites/add/auth/';
// Run setup
$url = $api_base . $auth . '/api/' . $api_key . '/';
$data = array();
$count_posts = nxt_count_posts();
$count_pages = nxt_count_posts('page');
$comments_count = nxt_count_comments();
$theme_data = get_theme_data(get_template_directory() . '/style.css');
$plugin_count = count(get_option('active_plugins'));
$data['url'] = stripslashes(str_replace(array('http://', '/', ':'), '', site_url()));
$data['posts'] = $count_posts->publish;
$data['comments'] = $comments_count->total_comments;
$data['theme_version'] = $theme_data['Version'];
$data['theme_name'] = $theme_data['Name'];
$data['site_name'] = str_replace(' ', '', get_bloginfo('name'));
$data['plugins'] = $plugin_count;
$all_plugins = get_plugins();
$plugin_name = '';
foreach ($all_plugins as $plugin_file => $plugin_data) {
$plugin_name .= $plugin_data['Name'];
$plugin_name .= '&';
}
$posts_with_comments = $nxtdb->get_var("SELECT COUNT(*) FROM {$nxtdb->prefix}posts WHERE post_type='post' AND comment_count > 0");
$comments_to_posts = number_format($posts_with_comments / $count_posts->publish * 100, 0, '.', '');
$pingback_result = $nxtdb->get_var('SELECT COUNT(comment_ID) FROM ' . $nxtdb->comments . ' WHERE comment_type = "pingback"');
$data['posts'] = $count_posts->publish;
$data['pages'] = $count_pages->publish;
$data['comments'] = $comments_count->total_comments;
$data['approved'] = $comments_count->approved;
$data['spam'] = $comments_count->spam;
$data['pingbacks'] = $pingback_result;
$data['post_conversion'] = $comments_to_posts;
$data['plugin'] = urlencode($plugin_name);
$data['nxtversion'] = get_bloginfo('version');
foreach ($data as $k => $v) {
$url .= $k . '/' . $v . '/';
}
// Perform the remote request.
$response = nxt_remote_get($url);
if (is_nxt_error($response) || nxt_remote_retrieve_response_code($response) != 200) {
// Silence is golden.
} else {
set_transient('woo_presstrends_data', $data, 60 * 60 * 24);
}
}
}
/**
* Fetches result from an oEmbed provider for a specific format and complete provider URL
*
* @since 3.0.0
* @access private
* @param string $provider_url_with_args URL to the provider with full arguments list (url, maxheight, etc.)
* @param string $format Format to use
* @return bool|object False on failure, otherwise the result in the form of an object.
*/
function _fetch_with_format($provider_url_with_args, $format)
{
$provider_url_with_args = add_query_arg('format', $format, $provider_url_with_args);
$response = nxt_remote_get($provider_url_with_args);
if (501 == nxt_remote_retrieve_response_code($response)) {
return new nxt_Error('not-implemented');
}
if (!($body = nxt_remote_retrieve_body($response))) {
return false;
}
$parse_method = "_parse_{$format}";
return $this->{$parse_method}($body);
}
