/[drupal]/contributions/modules/search404/search404.module
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revision 1.13.2.11, Fri Dec 19 09:11:25 2008 UTC revision 1.13.2.12, Mon Jun 15 10:54:15 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  /* $Id: search404.module,v 1.13.2.10 2008/12/10 11:48:51 zyxware Exp $ */  /* $Id: search404.module,v 1.13.2.11 2008/12/19 09:11:25 zyxware Exp $ */
3    
4  /**  /**
5   * Implementation of hook_menu().   * Implementation of hook_menu().
# Line 38  function search404_get_keys() { Line 38  function search404_get_keys() {
38    if (!empty($extensions) && preg_match("/\.($extensions)$/", $_REQUEST['destination'])) {    if (!empty($extensions) && preg_match("/\.($extensions)$/", $_REQUEST['destination'])) {
39      return false;      return false;
40    }    }
41    $keys = $_REQUEST['destination'];    $keys = $_REQUEST['destination'] ? $_REQUEST['destination'] : $_REQUEST['q'];
42    $misc_var = variable_get('search404_regex', '');    $regex_filter = variable_get('search404_regex', '');
43    if (!empty($misc_var)) {    $keys_array[] = $keys;
44          $keys = preg_grep($misc_var, $keys);    if (!empty($regex_filter)) {
45          $keys = $keys[0];      $keys = preg_replace("/".$regex_filter."/", '', $keys);
46   }   }
47    // Ingore certain extensions from query    // Ingore certain extensions from query
48    $extensions = preg_split('/\s+/', variable_get('search404_ignore_extensions', 'htm html php'));    $extensions = preg_split('/\s+/', variable_get('search404_ignore_extensions', 'htm html php'));
# Line 64  function search404_get_keys() { Line 64  function search404_get_keys() {
64  }  }
65    
66  /**  /**
67   * Detect search from search engine (BETA)   * Detect search from search engine
68   * WARNING: This function can potentially return dangerous   * WARNING: This function can potentially return dangerous
69   *              potential SQL inject/XSS   *              potential SQL inject/XSS
70   * data. Return must be sanatized before use.   * data. Return must be sanatized before use.
# Line 74  function search404_search_engine_query() Line 74  function search404_search_engine_query()
74      'altavista' => 'q',      'altavista' => 'q',
75      'aol' => 'query',      'aol' => 'query',
76      'google' => 'q',      'google' => 'q',
77      'live' => 'q',      'bing' => 'q',
78      'lycos' => 'query',      'lycos' => 'query',
     'msn' => 'q',  
79      'yahoo' => 'p',      'yahoo' => 'p',
80    );    );
81    $parsed_url = parse_url($_SERVER['HTTP_REFERER']);    $parsed_url = parse_url($_SERVER['HTTP_REFERER']);
# Line 106  function search404_page() { Line 105  function search404_page() {
105    
106    if (module_exists('search') && user_access('search content')) {    if (module_exists('search') && user_access('search content')) {
107      $keys = "";      $keys = "";
108        // if apachesolr_search is installed use apachesolr_search instead default node search
109        $type_search = (module_exists('apachesolr_search')) ? 'apachesolr_search' : 'node';
110      if (variable_get('search404_use_search_engine', false)) {      if (variable_get('search404_use_search_engine', false)) {
111        $keys = search404_search_engine_query();        $keys = search404_search_engine_query();
112      }      }
# Line 114  function search404_page() { Line 115  function search404_page() {
115      }      }
116      if ($keys) {      if ($keys) {
117        // TODO: watchdog?        // TODO: watchdog?
118        $results = module_invoke('node', 'search', 'search', $keys);        $results = module_invoke($type_search, 'search', 'search', $keys);
119        if (isset($results) && is_array($results) && count($results) == 1 && variable_get('search404_jump', false)) {        if (isset($results) && is_array($results) && count($results) == 1 && variable_get('search404_jump', false)) {
120          // First, check to see if there is exactly 1 result          // First, check to see if there is exactly 1 result
121          drupal_set_message(t('The page you requested does not exist. A search for %keys resulted in this page.', array('%keys' => check_plain($keys))), 'status');          drupal_set_message(t('The page you requested does not exist. A search for %keys resulted in this page.', array('%keys' => check_plain($keys))), 'status');
# Line 136  function search404_page() { Line 137  function search404_page() {
137              $oldgetq = $_GET['q'];              $oldgetq = $_GET['q'];
138              $olddestination = $_REQUEST['destination'];              $olddestination = $_REQUEST['destination'];
139              unset($_REQUEST['destination']);              unset($_REQUEST['destination']);
140              $_GET['q'] = "search/node/$keys";              $_GET['q'] = "search/$type_search/$keys";
141              $results = theme('search_page', $results, 'node');              $results = theme('search_page', $results, 'node');
142              $_GET['q'] = $oldgetq;              $_GET['q'] = $oldgetq;
143              $_REQUEST['destination'] = $olddestination;              $_REQUEST['destination'] = $olddestination;
# Line 193  function search404_settings() { Line 194  function search404_settings() {
194    $form['advanced'] = array(    $form['advanced'] = array(
195      '#type' => 'fieldset',      '#type' => 'fieldset',
196      '#title' => t('Advanced settings'),      '#title' => t('Advanced settings'),
197      '#description' => t("WARNING. Some of these settings can mess up stuff, don't touch unless you know what you are doing."),      //'#description' => t("WARNING. Some of these settings can mess up stuff, don't touch unless you know what you are doing."),
198      '#collapsible' => TRUE,      '#collapsible' => TRUE,
199      '#collapsed' => TRUE,      '#collapsed' => TRUE,
200    );    );
# Line 204  function search404_settings() { Line 205  function search404_settings() {
205    );    );
206    $form['advanced']['search404_use_search_engine'] = array(    $form['advanced']['search404_use_search_engine'] = array(
207      '#type' => 'checkbox',      '#type' => 'checkbox',
208      '#title' => t('Use auto-detection of keywords from search engine referer. BETA! Not for production sites, use at your own risk.'),      '#title' => t('Use auto-detection of keywords from search engine referer.'),
209        '#description' => t('This feature will conduct a search based on the query string got from a search engine if the URL of the search result points to a 404 page in the current website. Currently supported search engines: Google, Yahoo, Altavista, Lycos, Bing and AOL'),
210      '#default_value' => variable_get('search404_use_search_engine', false),      '#default_value' => variable_get('search404_use_search_engine', false),
211    );    );
212    $form['advanced']['search404_ignore'] = array(    $form['advanced']['search404_ignore'] = array(
# Line 216  function search404_settings() { Line 218  function search404_settings() {
218    $form['advanced']['search404_ignore_extensions'] = array(    $form['advanced']['search404_ignore_extensions'] = array(
219      '#type' => 'textfield',      '#type' => 'textfield',
220      '#title' => t('Extensions to ignore'),      '#title' => t('Extensions to ignore'),
221      '#description' => t('These extensions will be ignored from query. Separate extensions with a space, e.g.: "htm html php". Do not include leading dot.'),      '#description' => t('These extensions will be ignored from the search query, e.g.: http://www.example.com/invalid/page.php will only search for "invalid page". Separate extensions with a space, e.g.: "htm html php". Do not include leading dot.'),
222      '#default_value' => variable_get('search404_ignore_extensions', 'htm html php'),      '#default_value' => variable_get('search404_ignore_extensions', 'htm html php'),
223    );    );
224    $form['advanced']['search404_ignore_query'] = array(    $form['advanced']['search404_ignore_query'] = array(
# Line 227  function search404_settings() { Line 229  function search404_settings() {
229    );    );
230    $form['advanced']['search404_regex'] = array(    $form['advanced']['search404_regex'] = array(
231      '#type' => 'textfield',      '#type' => 'textfield',
232      '#title' => t('PCRE REGEX'),      '#title' => t('PCRE filter'),
233      '#description' => t('This regex will applied to all queries. It uses the code:<p>%code</p>Look directly at the source code to understand underlying syntax. See also <a href="http://php.net/pcre">PCRE pages in the PHP Manual</a>.', array('%code' => "\$keys = preg_grep(variable_get('search404_regex'), \$keys);\n\$keys = \$keys[0];", '%function' => 'search404_get_keys()')),      '#description' => t('This regular expression will be applied to filter all queries. The parts of the path that match the expression will be EXCLUDED from the search. You do NOT have to enclose the regex in forward slashes when defining the PCRE. e.g.: use "[foo]bar" instead of "/[foo]bar/". On how to use a PCRE Regex please refer <a href="http://php.net/pcre">PCRE pages in the PHP Manual</a>.'),
234      '#default_value' => variable_get('search404_regex',''),      '#default_value' => variable_get('search404_regex',''),
235    );    );
236    
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