<?php
// $Id: xmlsitemap_engines.module,v 1.1.2.10 2009-11-13 18:01:35 davereid Exp $

/**
 * @file Define actions for Google, Yahoo!, Ask, and Bing.
 */

/**
 * @addtogroup xmlsitemap
 * @{
 */

/**
 * Implementation of hook_xmlsitemap_engines().
 */
function xmlsitemap_engines_xmlsitemap_engines($op, $type = NULL) {
  switch ($op) {
    case 'form':
      $form = array();
      $form = array_merge($form, _xmlsitemap_engines_google('form'));
      $form = array_merge($form, _xmlsitemap_engines_yahoo('form'));
      $form = array_merge($form, _xmlsitemap_engines_ask('form'));
      $form = array_merge($form, _xmlsitemap_engines_bing('form'));
      return $form;
    case 'ping':
      _xmlsitemap_engines_google('ping');
      _xmlsitemap_engines_yahoo('ping');
      _xmlsitemap_engines_ask('ping');
      _xmlsitemap_engines_bing('ping');
      break;
    case 'access':
      if (strpos($_SERVER['HTTP_USER_AGENT'], 'Googlebot') !== FALSE) {
        return _xmlsitemap_engines_google('access', $type);
      }
  }
}

/**
 * Define actions for Google.
 */
function _xmlsitemap_engines_google($op, $type = NULL) {
  switch ($op) {
    case 'form':
      $form['google'] = array(
        '#type' => 'fieldset',
        '#title' => t('Google'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
      );
      $form['google']['xmlsitemap_engines_google_submit'] = array(
        '#type' => 'checkbox',
        '#title' => t('Submit site map to Google.'),
        '#default_value' => variable_get('xmlsitemap_engines_google_submit', FALSE),
      );
      $form['google']['xmlsitemap_engines_google_url'] = array(
        '#type' => 'textfield',
        '#title' => t('Submission URL'),
        '#default_value' => variable_get('xmlsitemap_engines_google_url', 'http://www.google.com/webmasters/tools/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)),
        '#description' => t('The URL to submit the site map to.'),
      );
      $form['google']['xmlsitemap_engines_google_verify'] = array(
        '#type' => 'textfield',
        '#title' => t('Verification link'),
        '#default_value' => variable_get('xmlsitemap_engines_google_verify', ''),
        '#description' => t('In order to show statistics, Google will ask you to verify that you control this site by creating a file with a certain name. Enter that name here and the XML Sitemap module will create a path to that file name. This will only work if you have clean URLs enabled.'),
      );
      return $form;
    case 'ping':
      if (variable_get('xmlsitemap_engines_google_submit', FALSE)) {
        $result = drupal_http_request(variable_get('xmlsitemap_engines_google_url', 'http://www.google.com/webmasters/tools/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)));
        if ($result->code == 200) {
          watchdog('xmlsitemap', t('Sitemap successfully submitted to Google.'));
        }
        else {
          watchdog('xmlsitemap', t('Error occurred submitting sitemap to Google: @code', array('@code' => $result->code)), WATCHDOG_ERROR);
        }
      }
      break;
    case 'access':
      return t('!sitemap downloaded by Google.', array('!sitemap' => $type));
  }
}

/**
 * Define actions for Yahoo!.
 */
function _xmlsitemap_engines_yahoo($op) {
  switch ($op) {
    case 'form':
      $form['yahoo'] = array(
        '#type' => 'fieldset',
        '#title' => t('Yahoo!'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
      );
      $form['yahoo']['xmlsitemap_engines_yahoo_submit'] = array(
        '#type' => 'checkbox',
        '#title' => t('Submit site map to Yahoo!'),
        '#default_value' => variable_get('xmlsitemap_engines_yahoo_submit', FALSE),
      );
      $form['yahoo']['xmlsitemap_engines_yahoo_url'] = array(
        '#type' => 'textfield',
        '#title' => t('Submission URL'),
        '#default_value' => variable_get('xmlsitemap_engines_yahoo_url', 'http://search.yahooapis.com/SiteExplorerService/V1/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)),
        '#description' => t('The URL to submit the site map to.'),
      );
      $form['yahoo']['xmlsitemap_engines_yahoo_verify'] = array(
        '#type' => 'textfield',
        '#title' => t('Verification link'),
        '#default_value' => variable_get('xmlsitemap_engines_yahoo_verify', ''),
        '#description' => t('Before allowing you to view additional information, Yahoo! will ask you to verify that you control this site by creating a file with a certain name. Enter that name here, and XML Sitemap will create a path to that file name. This will only work if you have clean URLs enabled.'),
      );
      $form['yahoo']['xmlsitemap_engines_yahoo_verify_string'] = array(
        '#type' => 'textfield',
        '#title' => t('Authentication key'),
        '#default_value' => variable_get('xmlsitemap_engines_yahoo_verify_string', ''),
        '#description' => t('Yahoo! will ask you to put an authentication key in the verification file.'),
      );
      return $form;
    case 'ping':
      if (variable_get('xmlsitemap_engines_yahoo_submit', FALSE)) {
        $result = drupal_http_request(variable_get('xmlsitemap_engines_yahoo_url', 'http://search.yahooapis.com/SiteExplorerService/V1/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)));
        if ($result->code == 200) {
          watchdog('xmlsitemap', t('Site map successfully submitted to Yahoo!.'));
        }
        else {
          watchdog('xmlsitemap', t('Error occurred submitting site map to Yahoo!: @code', array('@code' => $result->code)), WATCHDOG_ERROR);
        }
      }
      break;
  }
}

/**
 * Define actions for Ask.com.
 */
function _xmlsitemap_engines_ask($op) {
  switch ($op) {
    case 'form':
      $form['ask'] = array(
        '#type' => 'fieldset',
        '#title' => t('Ask.com'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
      );
      $form['ask']['xmlsitemap_engines_ask_submit'] = array(
        '#type' => 'checkbox',
        '#title' => t('Submit site map to Ask.com.'),
        '#default_value' => variable_get('xmlsitemap_engines_ask_submit', FALSE),
      );
      $form['ask']['xmlsitemap_engines_ask_url'] = array(
        '#type' => 'textfield',
        '#title' => t('Submission URL'),
        '#default_value' => variable_get('xmlsitemap_engines_ask_url', 'http://submissions.ask.com/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)),
        '#description' => t('The URL to submit the site map to.'),
      );
      return $form;
    case 'ping':
      if (variable_get('xmlsitemap_engines_ask_submit', FALSE)) {
        $result = drupal_http_request(variable_get('xmlsitemap_engines_ask_url', 'http://submissions.ask.com/ping?sitemap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)));
        if ($result->code == 200) {
          watchdog('xmlsitemap', t('Site map successfully submitted to Ask.com.'));
        }
        else {
          watchdog('xmlsitemap', t('Error occurred submitting site map to Ask.com: @code', array('@code' => $result->code)), WATCHDOG_ERROR);
        }
      }
      break;
  }
}

/**
 * Define actions for Bing.
 */
function _xmlsitemap_engines_bing($op) {
  switch ($op) {
    case 'form':
      $form['bing'] = array(
        '#type' => 'fieldset',
        '#title' => t('Bing (formerly Windows Live)'),
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
      );
      $form['bing']['xmlsitemap_engines_bing_submit'] = array(
        '#type' => 'checkbox',
        '#title' => t('Submit site map to Bing.'),
        '#default_value' => variable_get('xmlsitemap_engines_bing_submit', FALSE),
      );
      $form['bing']['xmlsitemap_engines_bing_url'] = array(
        '#type' => 'textfield',
        '#title' => t('Submission URL'),
        '#default_value' => variable_get('xmlsitemap_engines_bing_url', 'http://www.bing.com/webmaster/ping.aspx?siteMap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)),
        '#description' => t('The URL to submit the site map to.'),
      );
      $form['bing']['xmlsitemap_engines_bing_verify'] = array(
        '#type' => 'textfield',
        '#title' => t('Authentication file'),
        '#default_value' => variable_get('xmlsitemap_engines_bing_verify', ''),
        '#description' => t('Before allowing you to view additional information, Bing will ask you to verify that you control this site by creating a file with a certain name. Enter that name here, and XML Sitemap will create a path to that file name. This will only work if you have clean URLs enabled.'),
      );
      $form['bing']['xmlsitemap_engines_bing_verify_string'] = array(
        '#type' => 'textfield',
        '#title' => t('Authentication tag'),
        '#default_value' => variable_get('xmlsitemap_engines_bing_verify_string', ''),
        '#description' => t('Bing will give you an authentication tag.'),
      );
      return $form;
    case 'ping':
      if (variable_get('xmlsitemap_engines_bing_submit', FALSE)) {
        $result = drupal_http_request(variable_get('xmlsitemap_engines_bing_url', 'http://www.bing.com/webmaster/ping.aspx?siteMap='. xmlsitemap_url('sitemap.xml', drupal_lookup_path('alias', 'sitemap.xml') ? drupal_lookup_path('alias', 'sitemap.xml') : NULL, NULL, NULL, TRUE)));
        if ($result->code == 200) {
          watchdog('xmlsitemap', t('Site map successfully submitted to Bing.'));
        }
        else {
          watchdog('xmlsitemap', t('Error occurred submitting site map to Bing: @code', array('@code' => $result->code)), WATCHDOG_ERROR);
        }
      }
      break;
  }
}

/**
 * Implementation of hook_menu().
 */
function xmlsitemap_engines_menu($may_cache) {
  $items = array();
  $access_content = user_access('access content');
  if ($may_cache) {
    if ($verify = variable_get('xmlsitemap_engines_google_verify', '')) {
      $items[] = array(
        'path' => $verify,
        'title' => t('Google verification page'),
        'callback' => '_xmlsitemap_engines_verify',
        'callback arguments' => array('google'),
        'type' => MENU_CALLBACK,
        'access' => $access_content,
      );
    }
    if (($verify = variable_get('xmlsitemap_engines_yahoo_verify', '')) != '') {
      $items[] = array(
        'path' => $verify,
        'title' => t('Yahoo! verification page'),
        'callback' => '_xmlsitemap_engines_verify',
        'callback arguments' => array('yahoo'),
        'type' => MENU_CALLBACK,
        'access' => $access_content,
      );
    }
    if (($verify = variable_get('xmlsitemap_engines_bing_verify', '')) != '') {
      $items[] = array(
        'path' => $verify,
        'title' => t('Bing verification page'),
        'callback' => '_xmlsitemap_engines_verify',
        'callback arguments' => array('bing'),
        'type' => MENU_CALLBACK,
        'access' => $access_content,
      );
    }
  }
  return $items;
}

/**
 * Menu callback; display verification page.
 */
function _xmlsitemap_engines_verify($engine) {
  switch ($engine) {
    case 'google':
      print 'google-site-verification: ' . variable_get('xmlsitemap_engines_google_verify', '');
      break;
    case 'yahoo':
      print variable_get('xmlsitemap_engines_yahoo_verify_string', '');
      break;
    case 'bing':
      print '<?xml version="1.0"?>'."\n";
      print "<users>\n";
      print '    <user>'. variable_get('xmlsitemap_engines_bing_verify_string', '') ."</user>\n";
      print "</users>\n";
      break;
  }
}

/**
 * @} End of "addtogroup xmlsitemap".
 */