/**
* 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 $results;
}
/**
* Prints step 2 for Network installation process.
*
* @since 3.0.0
*/
function network_step2($errors = false)
{
global $base, $nxtdb;
$hostname = get_clean_basedomain();
if (!isset($base)) {
$base = trailingslashit(stripslashes(dirname(dirname($_SERVER['SCRIPT_NAME']))));
}
// Wildcard DNS message.
if (is_nxt_error($errors)) {
echo '<div class="error">' . $errors->get_error_message() . '</div>';
}
if ($_POST) {
if (allow_subdomain_install()) {
$subdomain_install = allow_subdirectory_install() ? !empty($_POST['subdomain_install']) : true;
} else {
$subdomain_install = false;
}
} else {
if (is_multisite()) {
$subdomain_install = is_subdomain_install();
?>
<p><?php
_e('The original configuration steps are shown here for reference.');
?>
</p>
<?php
} else {
$subdomain_install = (bool) $nxtdb->get_var("SELECT meta_value FROM {$nxtdb->sitemeta} WHERE site_id = 1 AND meta_key = 'subdomain_install'");
?>
<div class="error"><p><strong><?php
_e('Warning:');
?>
</strong> <?php
_e('An existing NXTClass network was detected.');
?>
</p></div>
<p><?php
_e('Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.');
?>
</p>
<?php
}
}
if ($_POST || !is_multisite()) {
?>
<h3><?php
esc_html_e('Enabling the Network');
?>
</h3>
<p><?php
_e('Complete the following steps to enable the features for creating a network of sites.');
?>
</p>
<div class="updated inline"><p><?php
if (file_exists(ABSPATH . '.htaccess')) {
printf(__('<strong>Caution:</strong> We recommend you back up your existing <code>nxt-config.php</code> and <code>%s</code> files.'), '.htaccess');
} elseif (file_exists(ABSPATH . 'web.config')) {
printf(__('<strong>Caution:</strong> We recommend you back up your existing <code>nxt-config.php</code> and <code>%s</code> files.'), 'web.config');
} else {
_e('<strong>Caution:</strong> We recommend you back up your existing <code>nxt-config.php</code> file.');
}
?>
</p></div>
<?php
}
?>
<ol>
<li><p><?php
printf(__('Create a <code>blogs.dir</code> directory at <code>%s/blogs.dir</code>. This directory is used to store uploaded media for your additional sites and must be writeable by the web server.'), nxt_CONTENT_DIR);
if (nxt_CONTENT_DIR != ABSPATH . 'nxt-content') {
echo ' <strong>' . __('Warning:') . ' ' . __('Networks may not be fully compatible with custom nxt-content directories.') . '</strong>';
}
?>
</p></li>
<li><p><?php
printf(__('Add the following to your <code>nxt-config.php</code> file in <code>%s</code> <strong>above</strong> the line reading <code>/* That’s all, stop editing! Happy blogging. */</code>:'), ABSPATH);
?>
</p>
<textarea class="code" readonly="readonly" cols="100" rows="7">
define( 'MULTISITE', true );
define( 'SUBDOMAIN_INSTALL', <?php
echo $subdomain_install ? 'true' : 'false';
?>
);
$base = '<?php
echo $base;
?>
';
define( 'DOMAIN_CURRENT_SITE', '<?php
echo $hostname;
?>
' );
define( 'PATH_CURRENT_SITE', '<?php
echo $base;
?>
' );
define( 'SITE_ID_CURRENT_SITE', 1 );
define( 'BLOG_ID_CURRENT_SITE', 1 );</textarea>
<?php
$keys_salts = array('AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '');
foreach ($keys_salts as $c => $v) {
if (defined($c)) {
unset($keys_salts[$c]);
}
}
if (!empty($keys_salts)) {
$keys_salts_str = '';
$from_api = nxt_remote_get('https://api.nxtclass.org/secret-key/1.1/salt/');
if (is_nxt_error($from_api)) {
foreach ($keys_salts as $c => $v) {
$keys_salts_str .= "\ndefine( '{$c}', '" . nxt_generate_password(64, true, true) . "' );";
}
} else {
$from_api = explode("\n", nxt_remote_retrieve_body($from_api));
foreach ($keys_salts as $c => $v) {
$keys_salts_str .= "\ndefine( '{$c}', '" . substr(array_shift($from_api), 28, 64) . "' );";
}
}
$num_keys_salts = count($keys_salts);
?>
<p><?php
echo _n('This unique authentication key is also missing from your <code>nxt-config.php</code> file.', 'These unique authentication keys are also missing from your <code>nxt-config.php</code> file.', $num_keys_salts);
?>
<?php
_e('To make your installation more secure, you should also add:');
?>
</p>
<textarea class="code" readonly="readonly" cols="100" rows="<?php
echo $num_keys_salts;
?>
"><?php
echo esc_textarea($keys_salts_str);
?>
</textarea>
<?php
}
?>
</li>
<?php
if (iis7_supports_permalinks()) {
if ($subdomain_install) {
$web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="NXTClass Rule 1" stopProcessing="true">
<match url="^index\\.php$" ignoreCase="false" />
<action type="None" />
</rule>
<rule name="NXTClass Rule 2" stopProcessing="true">
<match url="^files/(.+)" ignoreCase="false" />
<action type="Rewrite" url="nxt-includes/ms-files.php?file={R:1}" appendQueryString="false" />
</rule>
<rule name="NXTClass Rule 3" stopProcessing="true">
<match url="^" ignoreCase="false" />
<conditions logicalGrouping="MatchAny">
<add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
</conditions>
<action type="None" />
</rule>
<rule name="NXTClass Rule 4" stopProcessing="true">
<match url="." ignoreCase="false" />
<action type="Rewrite" url="index.php" />
</rule>
</rules>
</rewrite>
</system.webServer>
</configuration>';
} else {
$web_config_file = '<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="NXTClass Rule 1" stopProcessing="true">
<match url="^index\\.php$" ignoreCase="false" />
<action type="None" />
</rule>
<rule name="NXTClass Rule 2" stopProcessing="true">
<match url="^([_0-9a-zA-Z-]+/)?files/(.+)" ignoreCase="false" />
<action type="Rewrite" url="nxt-includes/ms-files.php?file={R:2}" appendQueryString="false" />
</rule>
<rule name="NXTClass Rule 3" stopProcessing="true">
<match url="^([_0-9a-zA-Z-]+/)?nxt-admin$" ignoreCase="false" />
<action type="Redirect" url="{R:1}nxt-admin/" redirectType="Permanent" />
</rule>
<rule name="NXTClass Rule 4" stopProcessing="true">
<match url="^" ignoreCase="false" />
<conditions logicalGrouping="MatchAny">
<add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" />
</conditions>
<action type="None" />
</rule>
<rule name="NXTClass Rule 5" stopProcessing="true">
<match url="^[_0-9a-zA-Z-]+/(nxt-(content|admin|includes).*)" ignoreCase="false" />
<action type="Rewrite" url="{R:1}" />
</rule>
<rule name="NXTClass Rule 6" stopProcessing="true">
<match url="^([_0-9a-zA-Z-]+/)?(.*\\.php)$" ignoreCase="false" />
<action type="Rewrite" url="{R:2}" />
</rule>
<rule name="NXTClass Rule 7" stopProcessing="true">
<match url="." ignoreCase="false" />
<action type="Rewrite" url="index.php" />
</rule>
</rules>
</rewrite>
</system.webServer>
</configuration>';
}
?>
<li><p><?php
printf(__('Add the following to your <code>web.config</code> file in <code>%s</code>, replacing other NXTClass rules:'), ABSPATH);
?>
</p>
<textarea class="code" readonly="readonly" cols="100" rows="20">
<?php
echo esc_textarea($web_config_file);
?>
</textarea></li>
</ol>
<?php
} else {
// end iis7_supports_permalinks(). construct an htaccess file instead:
$htaccess_file = 'RewriteEngine On
RewriteBase ' . $base . '
RewriteRule ^index\\.php$ - [L]
# uploaded files
RewriteRule ^' . ($subdomain_install ? '' : '([_0-9a-zA-Z-]+/)?') . 'files/(.+) nxt-includes/ms-files.php?file=$' . ($subdomain_install ? 1 : 2) . ' [L]' . "\n";
if (!$subdomain_install) {
$htaccess_file .= "\n# add a trailing slash to /nxt-admin\n" . 'RewriteRule ^([_0-9a-zA-Z-]+/)?nxt-admin$ $1nxt-admin/ [R=301,L]' . "\n";
}
$htaccess_file .= "\n" . 'RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]';
// @todo custom content dir.
if (!$subdomain_install) {
$htaccess_file .= "\nRewriteRule ^[_0-9a-zA-Z-]+/(nxt-(content|admin|includes).*) \$1 [L]\nRewriteRule ^[_0-9a-zA-Z-]+/(.*\\.php)\$ \$1 [L]";
}
$htaccess_file .= "\nRewriteRule . index.php [L]";
?>
<li><p><?php
printf(__('Add the following to your <code>.htaccess</code> file in <code>%s</code>, replacing other NXTClass rules:'), ABSPATH);
?>
</p>
<textarea class="code" readonly="readonly" cols="100" rows="<?php
echo $subdomain_install ? 11 : 16;
?>
">
<?php
echo esc_textarea($htaccess_file);
?>
</textarea></li>
</ol>
<?php
}
// end IIS/Apache code branches.
if (!is_multisite()) {
?>
<p><?php
printf(__('Once you complete these steps, your network is enabled and configured. You will have to log in again.'));
?>
<a href="<?php
echo esc_url(site_url('nxt-login.php'));
?>
"><?php
_e('Log In');
?>
</a></p>
<?php
}
}
/**
* Opens a remote file using the NXTClass API or Snoopy
* @since 3.0
* @param $url The URL to open
* @param $method get or post
* @param $postData An array with key=>value paris
* @param $timeout Timeout for the request, by default 10
* @return mixed False on error, the body of the response on success
*/
function RemoteOpen($url, $method = 'get', $postData = null, $timeout = 10)
{
global $nxt_version;
//Before nxt 2.7, nxt_remote_fopen was quite crappy so Snoopy was favoured.
if (floatval($nxt_version) < 2.7) {
if (!file_exists(ABSPATH . 'nxt-includes/class-snoopy.php')) {
trigger_error('Snoopy Web Request failed: Snoopy not found.', E_USER_NOTICE);
return false;
//Hoah?
}
require_once ABSPATH . 'nxt-includes/class-snoopy.php';
$s = new Snoopy();
$s->read_timeout = $timeout;
if ($method == 'get') {
$s->fetch($url);
} else {
$s->submit($url, $postData);
}
if ($s->status != "200") {
trigger_error('Snoopy Web Request failed: Status: ' . $s->status . "; Content: " . htmlspecialchars($s->results), E_USER_NOTICE);
}
return $s->results;
} else {
$options = array();
$options['timeout'] = $timeout;
if ($method == 'get') {
$response = nxt_remote_get($url, $options);
} else {
$response = nxt_remote_post($url, array_merge($options, array('body' => $postData)));
}
if (is_nxt_error($response)) {
$errs = $response->get_error_messages();
$errs = htmlspecialchars(implode('; ', $errs));
trigger_error('nxt HTTP API Web Request failed: ' . $errs, E_USER_NOTICE);
return false;
}
return $response['body'];
}
return false;
}
/**
* Check NXTClass version against the newest version.
*
* The NXTClass version, PHP version, and Locale is sent. Checks against the
* NXTClass server at api.nxtclass.org server. Will only check if NXTClass
* isn't installing.
*
* @package NXTClass
* @since 2.3.0
* @uses $nxt_version Used to check against the newest NXTClass version.
*
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
*/
function nxt_version_check()
{
if (defined('nxt_INSTALLING')) {
return;
}
global $nxtdb, $nxt_local_package;
include ABSPATH . nxtINC . '/version.php';
// include an unmodified $nxt_version
$php_version = phpversion();
$current = get_site_transient('update_core');
if (!is_object($current)) {
$current = new stdClass();
$current->updates = array();
$current->version_checked = $nxt_version;
}
$locale = apply_filters('core_version_check_locale', get_locale());
// Update last_checked for current to prevent multiple blocking requests if request hangs
$current->last_checked = time();
set_site_transient('update_core', $current);
if (method_exists($nxtdb, 'db_version')) {
$mysql_version = preg_replace('/[^0-9.].*/', '', $nxtdb->db_version());
} else {
$mysql_version = 'N/A';
}
if (is_multisite()) {
$user_count = get_user_count();
$num_blogs = get_blog_count();
$nxt_install = network_site_url();
$multisite_enabled = 1;
} else {
$user_count = count_users();
$multisite_enabled = 0;
$num_blogs = 1;
$nxt_install = home_url('/');
}
$query = array('version' => $nxt_version, 'php' => $php_version, 'locale' => $locale, 'mysql' => $mysql_version, 'local_package' => isset($nxt_local_package) ? $nxt_local_package : '', 'blogs' => $num_blogs, 'users' => $user_count['total_users'], 'multisite_enabled' => $multisite_enabled);
$url = 'http://api.nxtclass.org/core/version-check/1.6/?' . http_build_query($query, null, '&');
$options = array('timeout' => defined('DOING_CRON') && DOING_CRON ? 30 : 3, 'user-agent' => 'NXTClass/' . $nxt_version . '; ' . home_url('/'), 'headers' => array('nxt_install' => $nxt_install, 'nxt_blog' => home_url('/')));
$response = nxt_remote_get($url, $options);
if (is_nxt_error($response) || 200 != nxt_remote_retrieve_response_code($response)) {
return false;
}
$body = trim(nxt_remote_retrieve_body($response));
if (!($body = maybe_unserialize($body))) {
return false;
}
if (!isset($body['offers'])) {
return false;
}
$offers = $body['offers'];
foreach ($offers as &$offer) {
foreach ($offer as $offer_key => $value) {
if ('packages' == $offer_key) {
$offer['packages'] = (object) array_intersect_key(array_map('esc_url', $offer['packages']), array_fill_keys(array('full', 'no_content', 'new_bundled', 'partial'), ''));
} elseif ('download' == $offer_key) {
$offer['download'] = esc_url($value);
} else {
$offer[$offer_key] = esc_html($value);
}
}
$offer = (object) array_intersect_key($offer, array_fill_keys(array('response', 'download', 'locale', 'packages', 'current', 'php_version', 'mysql_version', 'new_bundled', 'partial_version'), ''));
}
$updates = new stdClass();
$updates->updates = $offers;
$updates->last_checked = time();
$updates->version_checked = $nxt_version;
set_site_transient('update_core', $updates);
}
/**
* 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;
}
do_action('after_db_upgrade');
} elseif (get_option('db_version') != $nxt_db_version && empty($_POST)) {
if (!is_multisite()) {
nxt_redirect(admin_url('upgrade.php?_nxt_http_referer=' . urlencode(stripslashes($_SERVER['REQUEST_URI']))));
exit;
} elseif (apply_filters('do_mu_upgrade', true)) {
/**
* On really small MU installs run the upgrader every time,
* else run it less often to reduce load.
*
* @since 2.8.4b
*/
$c = get_blog_count();
if ($c <= 50 || $c > 50 && mt_rand(0, (int) ($c / 50)) == 1) {
require_once ABSPATH . nxtINC . '/http.php';
$response = nxt_remote_get(admin_url('upgrade.php?step=1'), array('timeout' => 120, 'httpversion' => '1.1'));
do_action('after_mu_upgrade', $response);
unset($response);
}
unset($c);
}
}
require_once ABSPATH . 'nxt-admin/includes/admin.php';
auth_redirect();
nocache_headers();
// Schedule trash collection
if (!nxt_next_scheduled('nxt_scheduled_delete') && !defined('nxt_INSTALLING')) {
nxt_schedule_event(time(), 'daily', 'nxt_scheduled_delete');
}
set_screen_options();
$date_format = get_option('date_format');
/**
* 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 $tmpfname;
}
require_once ABSPATH . nxtINC . '/plugin.php';
require_once ABSPATH . nxtINC . '/l10n.php';
require_once ABSPATH . nxtINC . '/pomo/translations.php';
if (!$no_api) {
require_once ABSPATH . nxtINC . '/class-http.php';
require_once ABSPATH . nxtINC . '/http.php';
nxt_fix_server_vars();
/**#@+
* @ignore
*/
function get_bloginfo()
{
return (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . str_replace($_SERVER['PHP_SELF'], '/nxt-admin/setup-config.php', '');
}
/**#@-*/
$secret_keys = nxt_remote_get('https://api.nxtclass.org/secret-key/1.1/salt/');
}
if ($no_api || is_nxt_error($secret_keys)) {
$secret_keys = array();
require_once ABSPATH . nxtINC . '/pluggable.php';
for ($i = 0; $i < 8; $i++) {
$secret_keys[] = nxt_generate_password(64, true, true);
}
} else {
$secret_keys = explode("\n", nxt_remote_retrieve_body($secret_keys));
foreach ($secret_keys as $k => $v) {
$secret_keys[$k] = substr($v, 28, 64);
}
}
$key = 0;
foreach ($configFile as $line_num => $line) {
/**
* Connects using the NXTClass HTTP API to get data
*
* @param url - url to request
* @param post - post data to pass through NXTClass
* @return the raw http response
**/
function http($url, $post = false)
{
# Return false if the token has not been set
if (trim($this->token) == '') {
return '';
}
# Set the arguments to pass to NXTClass
$args = array('sslverify' => false);
# Add the optional post values
if ($post) {
$post .= '&service=analytics&source=google-analyticator-' . GOOGLE_ANALYTICATOR_VERSION;
$args['body'] = $post;
}
# Set the content to form data
$args['headers'] = array('Content-Type' => 'application/x-www-form-urlencoded');
# Add the token information
if ($this->token) {
$args['headers']['Authorization'] = 'AuthSub token="' . $this->token . '"';
}
# Disable the fopen transport since it doesn't work with the Google API
add_filter('use_fopen_transport', create_function('$a', 'return false;'));
# Check compatibility mode settings
if (get_option('ga_compatibility') == 'level1') {
add_filter('use_curl_transport', create_function('$a', 'return false;'));
} elseif (get_option('ga_compatibility') == 'level2') {
add_filter('use_curl_transport', create_function('$a', 'return false;'));
add_filter('use_streams_transport', create_function('$a', 'return false;'));
}
# Make the connection
if ($post) {
$response = nxt_remote_post($url, $args);
} else {
$response = nxt_remote_get($url, $args);
}
# Check for NXTClass error
if (is_nxt_error($response)) {
$this->responseHash['error'] = __('NXTClass HTTP error.', 'google-analyticator');
return '';
}
# Set the message response
$this->responseCode = $response['response']['code'];
# Build an array of messages
foreach (explode("\n", $response['body']) as $line) {
if (trim($line) != '') {
$pos = strpos($line, '=');
if ($pos !== false) {
$this->responseHash[strtolower(substr($line, 0, $pos))] = substr($line, $pos + 1);
}
}
}
# Return the body of the response
return $response['body'];
}
/**
* HTTP request for URI to retrieve content.
*
* @since 1.5.1
* @uses nxt_remote_get()
*
* @param string $uri URI/URL of web page to retrieve.
* @return bool|string HTTP content. False on failure.
*/
function nxt_remote_fopen($uri)
{
$parsed_url = @parse_url($uri);
if (!$parsed_url || !is_array($parsed_url)) {
return false;
}
$options = array();
$options['timeout'] = 10;
$response = nxt_remote_get($uri, $options);
if (is_nxt_error($response)) {
return false;
}
return nxt_remote_retrieve_body($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 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);
}
}
}
case "upgrade":
$n = isset($_GET['n']) ? intval($_GET['n']) : 0;
if ($n < 5) {
global $nxt_db_version;
update_site_option('nxtmu_upgrade_site', $nxt_db_version);
}
$blogs = $nxtdb->get_results("SELECT * FROM {$nxtdb->blogs} WHERE site_id = '{$nxtdb->siteid}' AND spam = '0' AND deleted = '0' AND archived = '0' ORDER BY registered DESC LIMIT {$n}, 5", ARRAY_A);
if (empty($blogs)) {
echo '<p>' . __('All done!') . '</p>';
break;
}
echo "<ul>";
foreach ((array) $blogs as $details) {
$siteurl = get_blog_option($details['blog_id'], 'siteurl');
echo "<li>{$siteurl}</li>";
$response = nxt_remote_get(trailingslashit($siteurl) . "nxt-admin/upgrade.php?step=upgrade_db", array('timeout' => 120, 'httpversion' => '1.1'));
if (is_nxt_error($response)) {
nxt_die(sprintf(__('Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: <em>%2$s</em>'), $siteurl, $response->get_error_message()));
}
do_action('after_mu_upgrade', $response);
do_action('nxtmu_upgrade_site', $details['blog_id']);
}
echo "</ul>";
?>
<p><?php
_e('If your browser doesn’t start loading the next page automatically, click this link:');
?>
<a class="button" href="upgrade.php?action=upgrade&n=<?php
echo $n + 5;
?>
"><?php
/**
* Finds a pingback server URI based on the given URL.
*
* Checks the HTML for the rel="pingback" link and x-pingback headers. It does
* a check for the x-pingback headers first and returns that, if available. The
* check for the rel="pingback" has more overhead than just the header.
*
* @since 1.5.0
*
* @param string $url URL to ping.
* @param int $deprecated Not Used.
* @return bool|string False on failure, string containing URI on success.
*/
function discover_pingback_server_uri($url, $deprecated = '')
{
if (!empty($deprecated)) {
_deprecated_argument(__FUNCTION__, '2.7');
}
$pingback_str_dquote = 'rel="pingback"';
$pingback_str_squote = 'rel=\'pingback\'';
/** @todo Should use Filter Extension or custom preg_match instead. */
$parsed_url = parse_url($url);
if (!isset($parsed_url['host'])) {
// Not an URL. This should never happen.
return false;
}
//Do not search for a pingback server on our own uploads
$uploads_dir = nxt_upload_dir();
if (0 === strpos($url, $uploads_dir['baseurl'])) {
return false;
}
$response = nxt_remote_head($url, array('timeout' => 2, 'httpversion' => '1.0'));
if (is_nxt_error($response)) {
return false;
}
if (nxt_remote_retrieve_header($response, 'x-pingback')) {
return nxt_remote_retrieve_header($response, 'x-pingback');
}
// Not an (x)html, sgml, or xml page, no use going further.
if (preg_match('#(image|audio|video|model)/#is', nxt_remote_retrieve_header($response, 'content-type'))) {
return false;
}
// Now do a GET since we're going to look in the html headers (and we're sure its not a binary file)
$response = nxt_remote_get($url, array('timeout' => 2, 'httpversion' => '1.0'));
if (is_nxt_error($response)) {
return false;
}
$contents = nxt_remote_retrieve_body($response);
$pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
$pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
if ($pingback_link_offset_dquote || $pingback_link_offset_squote) {
$quote = $pingback_link_offset_dquote ? '"' : '\'';
$pingback_link_offset = $quote == '"' ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
$pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
$pingback_href_start = $pingback_href_pos + 6;
$pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
$pingback_server_url_len = $pingback_href_end - $pingback_href_start;
$pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
// We may find rel="pingback" but an incomplete pingback URL
if ($pingback_server_url_len > 0) {
// We got it!
return $pingback_server_url;
}
}
return false;
}
/**
* 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);
}
