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   1  <?php
   2  
   3  namespace dokuwiki\Action;
   4  
   5  use dokuwiki\Action\Exception\ActionAbort;
   6  
   7  /**
   8   * Class Search
   9   *
  10   * Search for pages and content
  11   *
  12   * @package dokuwiki\Action
  13   */
  14  class Search extends AbstractAction
  15  {
  16      protected $pageLookupResults = [];
  17      protected $fullTextResults = [];
  18      protected $highlight = [];
  19  
  20      /** @inheritdoc */
  21      public function minimumPermission()
  22      {
  23          return AUTH_NONE;
  24      }
  25  
  26      /**
  27       * we only search if a search word was given
  28       *
  29       * @inheritdoc
  30       */
  31      public function checkPreconditions()
  32      {
  33          parent::checkPreconditions();
  34      }
  35  
  36      public function preProcess()
  37      {
  38          global $QUERY, $ID, $conf, $INPUT;
  39          $s = cleanID($QUERY);
  40  
  41          if ($ID !== $conf['start'] && !$INPUT->has('q')) {
  42              parse_str($INPUT->server->str('QUERY_STRING'), $urlParts);
  43              $urlParts['q'] = $urlParts['id'];
  44              unset($urlParts['id']);
  45              $url = wl($ID, $urlParts, true, '&');
  46              send_redirect($url);
  47          }
  48  
  49          if ($s === '') throw new ActionAbort();
  50          $this->adjustGlobalQuery();
  51      }
  52  
  53      /** @inheritdoc */
  54      public function tplContent()
  55      {
  56          $this->execute();
  57  
  58          $search = new \dokuwiki\Ui\Search($this->pageLookupResults, $this->fullTextResults, $this->highlight);
  59          $search->show();
  60      }
  61  
  62  
  63      /**
  64       * run the search
  65       */
  66      protected function execute()
  67      {
  68          global $INPUT, $QUERY;
  69          $after = $INPUT->str('min');
  70          $before = $INPUT->str('max');
  71          $this->pageLookupResults = ft_pageLookup($QUERY, true, useHeading('navigation'), $after, $before);
  72          $this->fullTextResults = ft_pageSearch($QUERY, $highlight, $INPUT->str('srt'), $after, $before);
  73          $this->highlight = $highlight;
  74      }
  75  
  76      /**
  77       * Adjust the global query accordingly to the config search_nslimit and search_fragment
  78       *
  79       * This will only do something if the search didn't originate from the form on the searchpage itself
  80       */
  81      protected function adjustGlobalQuery()
  82      {
  83          global $conf, $INPUT, $QUERY, $ID;
  84  
  85          if ($INPUT->bool('sf')) {
  86              return;
  87          }
  88  
  89          $Indexer = idx_get_indexer();
  90          $parsedQuery = ft_queryParser($Indexer, $QUERY);
  91  
  92          if (empty($parsedQuery['ns']) && empty($parsedQuery['notns'])) {
  93              if ($conf['search_nslimit'] > 0) {
  94                  if (getNS($ID) !== false) {
  95                      $nsParts = explode(':', getNS($ID));
  96                      $ns = implode(':', array_slice($nsParts, 0, $conf['search_nslimit']));
  97                      $QUERY .= " @$ns";
  98                  }
  99              }
 100          }
 101  
 102          if ($conf['search_fragment'] !== 'exact') {
 103              if (empty(array_diff($parsedQuery['words'], $parsedQuery['and']))) {
 104                  if (strpos($QUERY, '*') === false) {
 105                      $queryParts = explode(' ', $QUERY);
 106                      $queryParts = array_map(function ($part) {
 107                          if (strpos($part, '@') === 0) {
 108                              return $part;
 109                          }
 110                          if (strpos($part, 'ns:') === 0) {
 111                              return $part;
 112                          }
 113                          if (strpos($part, '^') === 0) {
 114                              return $part;
 115                          }
 116                          if (strpos($part, '-ns:') === 0) {
 117                              return $part;
 118                          }
 119  
 120                          global $conf;
 121  
 122                          if ($conf['search_fragment'] === 'starts_with') {
 123                              return $part . '*';
 124                          }
 125                          if ($conf['search_fragment'] === 'ends_with') {
 126                              return '*' . $part;
 127                          }
 128  
 129                          return '*' . $part . '*';
 130                      }, $queryParts);
 131                      $QUERY = implode(' ', $queryParts);
 132                  }
 133              }
 134          }
 135      }
 136  }