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