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<?php
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// $Id: whois.module,v 1.1.2.1 2007/03/21 15:33:04 Gurpartap Exp $
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/**
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* Implementation of hook_requirements()
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*/
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function whois_requirements($phase) {
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$requirements = array();
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$t = get_t();
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switch ($phase) {
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case 'install' :
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case 'runtime' :
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$path = drupal_get_path('module', 'whois') . '/phpwhois/whois.main.php';
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if (!file_exists($path)) {
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$requirements['whois'] = array(
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'title' => $t('Whois lookup'),
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'description' => $t("Whois module requires !phpwhois to do whois queries. !download and put it's contents in <em>modules/whois</em> directory (so that it looks something like this: <em>modules/whois/phpwhois/example.php</em>).", array('!phpwhois' => l('phpWhois library', 'http://phpwhois.sf.net/'), '!download' => l('Download phpWhois', 'http://sourceforge.net/project/showfiles.php?group_id=31207&package_id=23260'))),
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'severity' => $phase == 'install' ? REQUIREMENT_WARNING : REQUIREMENT_ERROR,
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'value' => $t('!phpwhois library missing', array('!phpwhois' => l('phpWhois', 'http://phpwhois.sf.net/'))),
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);
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}
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}
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return $requirements;
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}
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/**
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* Implementation of hook_perm()
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*/
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function whois_perm() {
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return array('access whois');
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}
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/**
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* Implementation of hook_menu()
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*/
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function whois_menu() {
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$items = array();
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$items['whois'] = array(
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'title' => t('Whois lookup'),
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'page callback' => 'whois_whois_page',
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'access arguments' => array('access whois'),
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'type' => MENU_NORMAL_ITEM,
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);
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$items['admin/settings/whois'] = array(
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'title' => t('Whois lookup'),
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'description' => t('Configure Whois lookup output style, dynamic(AJAX) results, hourly threshold, and more.'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('whois_settings'),
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'access arguments' => array('administer site configuration'),
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'type' => MENU_NORMAL_ITEM,
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);
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return $items;
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}
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function whois_settings() {
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$form = array();
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$form['whois_settings'] = array(
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'#type' => 'fieldset',
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'#title' => t('Basic configuration'),
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'#collapsed' => TRUE,
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);
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$form['whois_settings']['whois_output_method'] = array(
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'#type' => 'radios',
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'#title' => t('Output method'),
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'#default_value' => variable_get('whois_output_method', 'html'),
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'#description' => t(''),
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'#options' => array(
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'basic' => 'Basic',
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'html' => 'HTMLized',
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'object' => 'PHP object',
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),
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);
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$form['whois_settings']['whois_enable_ajax'] = array(
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'#type' => 'checkbox',
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'#title' => t('Dynamic lookup (AJAX)'),
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'#default_value' => variable_get('whois_enable_ajax', 1),
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'#description' => t('Lookup and view the whois results dynamically (i.e. without reloading page) using AJAX request.'),
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);
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$form['whois_settings']['whois_hourly_threshold'] = array('#type' => 'select',
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'#title' => t('Hourly threshold'),
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'#options' => drupal_map_assoc(array(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59)),
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'#default_value' => variable_get('whois_hourly_threshold', 13),
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'#description' => t('The maximum number of whois lookups a user can perform per hour.'),
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);
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$form['whois_log_watchdog'] = array(
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'#type' => 'checkbox',
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'#title' => t('Log watchdog entry'),
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'#default_value' => variable_get('whois_log_watchdog', 1),
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'#description' => t('Log a watchdog entry for each whois lookup performed.'),
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);
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return system_settings_form($form);
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}
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function whois_whois_page() {
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$output = '';
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$address = $_POST['address'] ? whois_parse_url($_POST['address']) : arg(1);
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if (isset($address)) {
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// Check for hourly threshold.
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if (flood_is_allowed('whois', variable_get('whois_hourly_threshold', 13))) {
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$output .= '<h3>' . t('Whois lookup for %address:', array('%address' => $address)) . '</h3>';
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$output .= whois_get_whois($address);
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}
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else {
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$output .= t("You cannot do more than %number whois lookups per hour. Please try again later.", array('%number' => variable_get('whois_hourly_threshold', 13)));
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}
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if (isset($_POST['address'])) {
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// Avoid debug information(devel.module) from being added to the preview.
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$GLOBALS['devel_shutdown'] = FALSE;
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if (variable_get('whois_log_watchdog', 1)) {
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// Watchdog entry for lookup request.
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watchdog('whois',
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t('Whois lookup for: %address', array('%address' => $address)),
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array($address), WATCHDOG_NOTICE, l('View', "whois/$address") . ' · ' . l('Address', "http://$address/"));
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}
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// Stop further processing and return requested data.
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exit(drupal_json(array('html' => $output)));
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}
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drupal_set_breadcrumb(array(l(t('Home'), '<front>'), l(t('Whois lookup'), 'whois')));
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}
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// Load JS and CSS for dynamic lookups using AJAX.
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if (variable_get('whois_enable_ajax', 1)) {
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$path = drupal_get_path('module', 'whois');
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drupal_add_js($path . '/whois.js');
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drupal_add_css($path . '/whois.css');
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}
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return drupal_get_form('whois_whois_form') . '<div id="live-preview-container"><div id="live-whois-preview">' . $output . '</div><div id="live-whois-preview-background"></div></div>';
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}
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function whois_whois_form() {
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$form = array();
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$form['whois_lookup'] = array(
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'#type' => 'fieldset',
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'#collapsed' => TRUE,
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);
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$form['whois_lookup']['whois_address'] = array(
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'#type' => 'textfield',
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'#title' => t('Lookup address'),
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'#default_value' => arg(1),
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'#required' => TRUE,
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'#prefix' => '<div class="container-inline">',
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);
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$form['whois_lookup']['whois_submit'] = array(
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'#type' => 'submit',
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'#value' => t('Lookup'),
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'#suffix' => '</div>',
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);
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$form['whois_lookup']['whois_description'] = array(
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'#value' => '<div class="description" style="margin: 0;">' . t('Enter a domain name or IP address for <em>whois</em> information.') . '</div>',
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);
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return $form;
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}
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function whois_whois_form_submit($form, &$form_state) {
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global $user;
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$address = whois_parse_url($form_state['values']['whois_address']);
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if (variable_get('whois_log_watchdog', 1)) {
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// Watchdog entry for lookup request.
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watchdog('whois',
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t('Whois lookup for: %address', array('%address' => $address)),
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array($address), WATCHDOG_NOTICE, l('View', "whois/$address") . ' · ' . l('Address', "http://$address/"));
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}
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$form_state['redirect'] = 'whois/' . $address;
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return;
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}
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function whois_get_whois($address) {
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$data = '';
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$path = drupal_get_path('module', 'whois') . '/phpwhois/whois.main.php';
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if (!file_exists($path)) {
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drupal_set_message(t('There are problems with <em>Whois lookup</em> setup. Report to the website administrators promptly!', array('@status' => url('admin/logs/status'))), 'error');
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}
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elseif ($address != '') {
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include_once('phpwhois/whois.main.php');
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include_once('phpwhois/whois.utils.php');
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$option = variable_get('whois_output_method', 'html');
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$whois = new Whois();
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$result = $whois->Lookup($address);
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switch($option) {
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case 'html':
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if (!empty($result['rawdata'])) {
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$utils = new utils;
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$data .= $utils->showHTML($result);
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}
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else {
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$data .= implode($whois->Query['errstr'],"\n<br></br>");
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}
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break;
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case 'object':
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if ($whois->Query['status'] < 0) {
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$data .= implode($whois->Query['errstr'],"\n<br></br>");
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}
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else {
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$utils = new utils;
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$data .= $utils->showObject($result);
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}
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break;
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default:
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if(!empty($result['rawdata'])) {
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$data .= '<pre>' . implode($result['rawdata'],"\n") . '</pre>';
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}
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else {
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$data .= implode($whois->Query['errstr'],"\n<br></br>");
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}
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break;
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}
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}
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return $data;
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}
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function whois_parse_url($url) {
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$r = "^(?:(?P<scheme>\w+)://)?";
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$r .= "(?:(?P<login>\w+):(?P<pass>\w+)@)?";
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$r .= "(?P<host>(?:(?P<subdomain>[\w\.]+)\.)?" . "(?P<domain>\w+\.(?P<extension>\w+)))";
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$r .= "(?::(?P<port>\d+))?";
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$r .= "(?P<path>[\w/]*/(?P<file>\w+(?:\.\w+)?)?)?";
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$r .= "(?:\?(?P<arg>[\w=&]+))?";
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$r .= "(?:#(?P<anchor>\w+))?";
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$r = "!$r!"; // Delimiters
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preg_match($r, $url, $result);
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return $result[6];
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}
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