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   1  <?php
   2  /*

   3   You may not change or alter any portion of this comment or credits

   4   of supporting developers from this source code or any supporting source code 

   5   which is considered copyrighted (c) material of the original comment or credit authors.

   6   

   7   This program is distributed in the hope that it will be useful,

   8   but WITHOUT ANY WARRANTY; without even the implied warranty of

   9   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  10  */
  11  
  12  /**

  13   * XOOPS global search

  14   *

  15   * @copyright       The XOOPS Project http://sourceforge.net/projects/xoops/

  16   * @license         http://www.fsf.org/copyleft/gpl.html GNU public license

  17   * @package         kernel

  18   * @since           2.0.0

  19   * @author          Kazumi Ono (AKA onokazu) 

  20   * @author          Taiwen Jiang <phppp@users.sourceforge.net>

  21   * @version         $Id: search.php 1529 2008-05-01 08:14:55Z phppp $

  22   * @package         core

  23   * @todo            Modularize; Both search algorithms and interface will be redesigned

  24   */
  25  
  26  $xoopsOption['pagetype'] = "search";
  27  
  28  include  'mainfile.php';
  29  $config_handler =& xoops_gethandler('config');
  30  $xoopsConfigSearch = $config_handler->getConfigsByCat(XOOPS_CONF_SEARCH);
  31  
  32  if ($xoopsConfigSearch['enable_search'] != 1) {
  33      header('Location: '.XOOPS_URL.'/index.php');
  34      exit();
  35  }
  36  $action = "search";
  37  if (!empty($_GET['action'])) {
  38      $action = $_GET['action'];
  39  } elseif (!empty($_POST['action'])) {
  40      $action = $_POST['action'];
  41  }
  42  $query = "";
  43  if (!empty($_GET['query'])) {
  44      $query = $_GET['query'];
  45  } elseif (!empty($_POST['query'])) {
  46      $query = $_POST['query'];
  47  }
  48  $andor = "AND";
  49  if (!empty($_GET['andor'])) {
  50      $andor = $_GET['andor'];
  51  } elseif (!empty($_POST['andor'])) {
  52      $andor = $_POST['andor'];
  53  }
  54  $mid = $uid = $start = 0;
  55  if ( !empty($_GET['mid']) ) {
  56      $mid = intval($_GET['mid']);
  57  } elseif ( !empty($_POST['mid']) ) {
  58      $mid = intval($_POST['mid']);
  59  }
  60  if (!empty($_GET['uid'])) {
  61      $uid = intval($_GET['uid']);
  62  } elseif (!empty($_POST['uid'])) {
  63      $uid = intval($_POST['uid']);
  64  }
  65  if (!empty($_GET['start'])) {
  66      $start = intval($_GET['start']);
  67  } elseif (!empty($_POST['start'])) {
  68      $start = intval($_POST['start']);
  69  }
  70  
  71  $queries = array();
  72  
  73  if ($action == "results") {
  74      if ($query == "") {
  75           redirect_header("search.php", 1, _SR_PLZENTER);
  76          exit();
  77      }
  78  } elseif ($action == "showall") {
  79      if ($query == "" || empty($mid)) {
  80          redirect_header("search.php", 1, _SR_PLZENTER);
  81          exit();
  82      }
  83  } elseif ($action == "showallbyuser") {
  84      if (empty($mid) || empty($uid)) {
  85          redirect_header("search.php", 1, _SR_PLZENTER);
  86          exit();
  87      }
  88  }
  89  
  90  $groups = is_object($xoopsUser) ? $xoopsUser -> getGroups() : XOOPS_GROUP_ANONYMOUS;
  91  $gperm_handler = & xoops_gethandler( 'groupperm' );
  92  $available_modules = $gperm_handler->getItemIds('module_read', $groups);
  93  
  94  if ($action == 'search') {
  95      include  XOOPS_ROOT_PATH.'/header.php';
  96      include  'include/searchform.php';
  97      $search_form->display();
  98      include  XOOPS_ROOT_PATH.'/footer.php';
  99      exit();
 100  }
 101  
 102  if ( $andor != "OR" && $andor != "exact" && $andor != "AND" ) {
 103      $andor = "AND";
 104  }
 105  
 106  $myts =& MyTextSanitizer::getInstance();
 107  if ($action != 'showallbyuser') {
 108      if ( $andor != "exact" ) {
 109          $ignored_queries = array(); // holds kewords that are shorter than allowed minmum length

 110          $temp_queries = preg_split('/[\s,]+/', $query);
 111          foreach ($temp_queries as $q) {
 112              $q = trim($q);
 113              if (strlen($q) >= $xoopsConfigSearch['keyword_min']) {
 114                  $queries[] = $myts->addSlashes($q);
 115              } else {
 116                  $ignored_queries[] = $myts->addSlashes($q);
 117              }
 118          }
 119          if (count($queries) == 0) {
 120              redirect_header('search.php', 2, sprintf(_SR_KEYTOOSHORT, $xoopsConfigSearch['keyword_min']));
 121              exit();
 122          }
 123      } else {
 124          $query = trim($query);
 125          if (strlen($query) < $xoopsConfigSearch['keyword_min']) {
 126              redirect_header('search.php', 2, sprintf(_SR_KEYTOOSHORT, $xoopsConfigSearch['keyword_min']));
 127              exit();
 128          }
 129          $queries = array($myts->addSlashes($query));
 130      }
 131  }
 132  switch ($action) {
 133  case "results":
 134      $module_handler =& xoops_gethandler('module');
 135      $criteria = new CriteriaCompo(new Criteria('hassearch', 1));
 136      $criteria->add(new Criteria('isactive', 1));
 137      $criteria->add(new Criteria('mid', "(".implode(',', $available_modules).")", 'IN'));
 138      $modules = $module_handler->getObjects($criteria, true);
 139      $mids = isset($_REQUEST['mids']) ? $_REQUEST['mids'] : array();
 140      if (empty($mids) || !is_array($mids)) {
 141          unset($mids);
 142          $mids = array_keys($modules);
 143      }
 144      include  XOOPS_ROOT_PATH."/header.php";
 145      $nomatch = true;
 146      echo "<h3>"._SR_SEARCHRESULTS."</h3>\n";
 147      echo _SR_KEYWORDS.':';
 148      if ($andor != 'exact') {
 149          foreach ($queries as $q) {
 150              echo ' <strong>'.htmlspecialchars(stripslashes($q)).'</strong>';
 151          }
 152          if (!empty($ignored_queries)) {
 153              echo '<br />';
 154              printf(_SR_IGNOREDWORDS, $xoopsConfigSearch['keyword_min']);
 155              foreach ($ignored_queries as $q) {
 156                  echo ' <strong>'.htmlspecialchars(stripslashes($q)).'</strong>';
 157              }
 158          }
 159      } else {
 160          echo ' "<strong>'.htmlspecialchars(stripslashes($queries[0])).'</strong>"';
 161      }
 162      echo '<br />';
 163      foreach ($mids as $mid) {
 164          $mid = intval($mid);
 165          if ( in_array($mid, $available_modules) ) {
 166              $module = $modules[$mid];
 167              $results = $module->search($queries, $andor, 5, 0);
 168              $count = count($results);
 169              if (is_array($results) && $count > 0) {
 170                  $nomatch = false;
 171                  echo "<h4>".$module->getVar('name')."</h4>";
 172                  for ($i = 0; $i < $count; $i++) {
 173                      if (isset($results[$i]['image']) && $results[$i]['image'] != "") {
 174                          echo "<img src='modules/".$module->getVar('dirname')."/".$results[$i]['image']."' alt='" . $module->getVar('name') . "' />&nbsp;";
 175                      } else {
 176                          echo "<img src='images/icons/posticon2.gif' alt='" . $module->getVar('name') . "' width='26' height='26' />&nbsp;";
 177                      }
 178                      if (!preg_match("/^http[s]*:\/\//i", $results[$i]['link'])) {
 179                          $results[$i]['link'] = "modules/".$module->getVar('dirname')."/".$results[$i]['link'];
 180                      }
 181                      echo "<strong><a href='".$results[$i]['link']."'>" . $myts->htmlspecialchars($results[$i]['title']) . "</a></strong><br />\n";
 182                      echo "<small>";
 183                      $results[$i]['uid'] = @intval($results[$i]['uid']);
 184                      if ( !empty($results[$i]['uid']) ) {
 185                          $uname = XoopsUser::getUnameFromId($results[$i]['uid']);
 186                          echo "&nbsp;&nbsp;<a href='".XOOPS_URL."/userinfo.php?uid=".$results[$i]['uid']."'>".$uname."</a>\n";
 187                      }
 188                      echo !empty($results[$i]['time']) ? " (". formatTimestamp(intval($results[$i]['time'])).")" : "";
 189                      echo "</small><br />\n";
 190                  }
 191                  if ( $count >= 5 ) {
 192                      $search_url = XOOPS_URL.'/search.php?query='.urlencode(stripslashes(implode(' ', $queries)));
 193                      $search_url .= "&mid=$mid&action=showall&andor=$andor";
 194                      echo '<p><a href="'.htmlspecialchars($search_url).'" title="' . _SR_SHOWALLR . '">' . _SR_SHOWALLR . '</a></p>';
 195                  }
 196              }
 197          }
 198          unset($results);
 199          unset($module);
 200      }
 201      if ($nomatch) {
 202          echo "<p>"._SR_NOMATCH."</p>";
 203      }    
 204      include  "include/searchform.php";
 205      $search_form->display();
 206      break;
 207  
 208  case "showall":
 209  case 'showallbyuser':
 210      include  XOOPS_ROOT_PATH."/header.php";
 211      $module_handler =& xoops_gethandler('module');
 212      $module =& $module_handler->get($mid);
 213      $results = $module->search($queries, $andor, 20, $start, $uid);
 214      $count = count($results);
 215      if (is_array($results) && $count > 0) {
 216          $next_results =& $module->search($queries, $andor, 1, $start + 20, $uid);
 217          $next_count = count($next_results);
 218          $has_next = false;
 219          if (is_array($next_results) && $next_count == 1) {
 220              $has_next = true;
 221          }
 222          echo "<h4>"._SR_SEARCHRESULTS."</h4>\n";
 223          if ($action == 'showall') {
 224              echo _SR_KEYWORDS.':';
 225              if ($andor != 'exact') {
 226                  foreach ($queries as $q) {
 227                      echo ' <strong>'.htmlspecialchars(stripslashes($q)).'</strong>';
 228                  }
 229              } else {
 230                  echo ' "<strong>'.htmlspecialchars(stripslashes($queries[0])).'</strong>"';
 231              }
 232              echo '<br />';
 233          }
 234          printf(_SR_SHOWING, $start + 1, $start + $count);
 235          echo "<h5>" . $module->getVar('name') . "</h5>";
 236          for ($i = 0; $i < $count; $i++) {
 237              if (isset($results[$i]['image']) && $results[$i]['image'] != '') {
 238                  echo "<img src='modules/" . $module->getVar('dirname', "n") . "/".$results[$i]['image']."' alt='" . $module->getVar('name') . "' />&nbsp;";
 239              } else {
 240                  echo "<img src='images/icons/posticon2.gif' alt='" . $module->getVar("name") . "' width='26' height='26' />&nbsp;";
 241              }
 242              if (!preg_match("/^http[s]*:\/\//i", $results[$i]['link'])) {
 243                  $results[$i]['link'] = "modules/".$module->getVar('dirname')."/".$results[$i]['link'];
 244              }
 245              echo "<strong><a href='".$results[$i]['link']."'>".$myts->htmlspecialchars($results[$i]['title'])."</a></strong><br />\n";
 246              echo "<small>";
 247              $results[$i]['uid'] = @intval($results[$i]['uid']);
 248              if ( !empty($results[$i]['uid']) ) {
 249                  $uname = XoopsUser::getUnameFromId($results[$i]['uid']);
 250                  echo "&nbsp;&nbsp;<a href='".XOOPS_URL."/userinfo.php?uid=".$results[$i]['uid']."'>".$uname."</a>\n";
 251              }
 252              echo !empty($results[$i]['time']) ? " (". formatTimestamp(intval($results[$i]['time'])).")" : "";
 253              echo "</small><br />\n";
 254          }
 255          echo '
 256          <table>
 257            <tr>
 258          ';
 259          $search_url = XOOPS_URL.'/search.php?query='.urlencode(stripslashes(implode(' ', $queries)));
 260          $search_url .= "&mid=$mid&action=$action&andor=$andor";
 261          if ($action=='showallbyuser') {
 262              $search_url .= "&uid=$uid";
 263          }
 264          if ( $start > 0 ) {
 265              $prev = $start - 20;
 266              echo '<td align="left">
 267              ';
 268              $search_url_prev = $search_url."&start=$prev";
 269              echo '<a href="'.htmlspecialchars($search_url_prev).'">'._SR_PREVIOUS.'</a></td>
 270              ';
 271          }
 272          echo '<td>&nbsp;&nbsp;</td>
 273          ';
 274          if (false != $has_next) {
 275              $next = $start + 20;
 276              $search_url_next = $search_url."&start=$next";
 277              echo '<td align="right"><a href="'.htmlspecialchars($search_url_next).'">'._SR_NEXT.'</a></td>
 278              ';
 279          }
 280          echo '
 281            </tr>
 282          </table>
 283          ';
 284      } else {
 285          echo '<p>'._SR_NOMATCH.'</p>';
 286      }
 287      include  "include/searchform.php";
 288      $search_form->display();
 289      break;
 290  }
 291  include  XOOPS_ROOT_PATH."/footer.php";
 292  ?>