mod/search.php

   1 <?php
   2 require_once("include/bbcode.php");
   3 require_once('include/security.php');
   4 require_once('include/conversation.php');
   5 require_once('mod/dirfind.php');
   6
   7 function search_saved_searches() {
   8
   9         $o = '';
  10
  11         if(! feature_enabled(local_user(),'savedsearch'))
  12                 return $o;
  13
  14         $r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
  15                 intval(local_user())
  16         );
  17
  18         if (dbm::is_result($r)) {
  19                 $saved = array();
  20                 foreach ($r as $rr) {
  21                         $saved[] = array(
  22                                 'id'            => $rr['id'],
  23                                 'term'          => $rr['term'],
  24                                 'encodedterm'   => urlencode($rr['term']),
  25                                 'delete'        => t('Remove term'),
  26                                 'selected'      => ($search==$rr['term']),
  27                         );
  28                 }
  29
  30
  31                 $tpl = get_markup_template("saved_searches_aside.tpl");
  32
  33                 $o .= replace_macros($tpl, array(
  34                         '$title'        => t('Saved Searches'),
  35                         '$add'          => '',
  36                         '$searchbox'    => '',
  37                         '$saved'        => $saved,
  38                 ));
  39         }
  40
  41         return $o;
  42
  43 }
  44
  45
  46 function search_init(App $a) {
  47
  48         $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
  49
  50         if(local_user()) {
  51                 if(x($_GET,'save') && $search) {
  52                         $r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  53                                 intval(local_user()),
  54                                 dbesc($search)
  55                         );
  56                         if (! dbm::is_result($r)) {
  57                                 q("INSERT INTO `search` (`uid`,`term`) VALUES ( %d, '%s')",
  58                                         intval(local_user()),
  59                                         dbesc($search)
  60                                 );
  61                         }
  62                 }
  63                 if(x($_GET,'remove') && $search) {
  64                         q("DELETE FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  65                                 intval(local_user()),
  66                                 dbesc($search)
  67                         );
  68                 }
  69
  70                 $a->page['aside'] .= search_saved_searches();
  71
  72         }
  73         else {
  74                 unset($_SESSION['theme']);
  75                 unset($_SESSION['mobile-theme']);
  76         }
  77
  78
  79
  80 }
  81
  82
  83
  84 function search_post(App $a) {
  85         if(x($_POST,'search'))
  86                 $a->data['search'] = $_POST['search'];
  87 }
  88
  89
  90 function search_content(App $a) {
  91
  92         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
  93                 notice( t('Public access denied.') . EOL);
  94                 return;
  95         }
  96
  97         if(get_config('system','local_search') AND !local_user()) {
  98                 http_status_exit(403,
  99                                 array("title" => t("Public access denied."),
 100                                         "description" => t("Only logged in users are permitted to perform a search.")));
 101                 killme();
 102                 //notice(t('Public access denied.').EOL);
 103                 //return;
 104         }
 105
 106         if (get_config('system','permit_crawling') AND !local_user()) {
 107                 // Default values:
 108                 // 10 requests are "free", after the 11th only a call per minute is allowed
 109
 110                 $free_crawls = intval(get_config('system','free_crawls'));
 111                 if ($free_crawls == 0)
 112                         $free_crawls = 10;
 113
 114                 $crawl_permit_period = intval(get_config('system','crawl_permit_period'));
 115                 if ($crawl_permit_period == 0)
 116                         $crawl_permit_period = 10;
 117
 118                 $remote = $_SERVER["REMOTE_ADDR"];
 119                 $result = Cache::get("remote_search:".$remote);
 120                 if (!is_null($result)) {
 121                         $resultdata = json_decode($result);
 122                         if (($resultdata->time > (time() - $crawl_permit_period)) AND ($resultdata->accesses > $free_crawls)) {
 123                                 http_status_exit(429,
 124                                                 array("title" => t("Too Many Requests"),
 125                                                         "description" => t("Only one search per minute is permitted for not logged in users.")));
 126                                 killme();
 127                         }
 128                         Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => $resultdata->accesses + 1)), CACHE_HOUR);
 129                 } else
 130                         Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => 1)), CACHE_HOUR);
 131         }
 132
 133         nav_set_selected('search');
 134
 135         if(x($a->data,'search'))
 136                 $search = notags(trim($a->data['search']));
 137         else
 138                 $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
 139
 140         $tag = false;
 141         if(x($_GET,'tag')) {
 142                 $tag = true;
 143                 $search = ((x($_GET,'tag')) ? notags(trim(rawurldecode($_GET['tag']))) : '');
 144         }
 145
 146         // contruct a wrapper for the search header
 147         $o .= replace_macros(get_markup_template("content_wrapper.tpl"),array(
 148                 'name' => "search-header",
 149                 '$title' => t("Search"),
 150                 '$title_size' => 3,
 151                 '$content' => search($search,'search-box','search',((local_user()) ? true : false), false)
 152         ));
 153
 154         if(strpos($search,'#') === 0) {
 155                 $tag = true;
 156                 $search = substr($search,1);
 157         }
 158         if(strpos($search,'@') === 0) {
 159                 return dirfind_content($a);
 160         }
 161         if(strpos($search,'!') === 0) {
 162                 return dirfind_content($a);
 163         }
 164
 165         if(x($_GET,'search-option'))
 166                 switch($_GET['search-option']) {
 167                         case 'fulltext':
 168                                 break;
 169                         case 'tags':
 170                                 $tag = true;
 171                                 break;
 172                         case 'contacts':
 173                                 return dirfind_content($a, "@");
 174                                 break;
 175                         case 'forums':
 176                                 return dirfind_content($a, "!");
 177                                 break;
 178                 }
 179
 180         if(! $search)
 181                 return $o;
 182
 183         if (get_config('system','only_tag_search'))
 184                 $tag = true;
 185
 186         // Here is the way permissions work in the search module...
 187         // Only public posts can be shown
 188         // OR your own posts if you are a logged in member
 189         // No items will be shown if the member has a blocked profile wall.
 190
 191         if($tag) {
 192                 logger("Start tag search for '".$search."'", LOGGER_DEBUG);
 193
 194                 $r = q("SELECT %s
 195                         FROM `term`
 196                                 STRAIGHT_JOIN `item` ON `item`.`id`=`term`.`oid` %s
 197                         WHERE %s AND (`term`.`uid` = 0 OR (`term`.`uid` = %d AND NOT `term`.`global`)) AND `term`.`otype` = %d AND `term`.`type` = %d AND `term`.`term` = '%s'
 198                         ORDER BY term.created DESC LIMIT %d , %d ",
 199                                 item_fieldlists(), item_joins(), item_condition(),
 200                                 intval(local_user()),
 201                                 intval(TERM_OBJ_POST), intval(TERM_HASHTAG), dbesc(protect_sprintf($search)),
 202                                 intval($a->pager['start']), intval($a->pager['itemspage']));
 203         } else {
 204                 logger("Start fulltext search for '".$search."'", LOGGER_DEBUG);
 205
 206                 if (get_config('system','use_fulltext_engine')) {
 207                         $sql_extra = sprintf(" AND MATCH (`item`.`body`, `item`.`title`) AGAINST ('%s' in boolean mode) ", dbesc(protect_sprintf($search)));
 208                 } else {
 209                         $sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(protect_sprintf(preg_quote($search))));
 210                 }
 211
 212                 $r = q("SELECT %s
 213                         FROM `item` %s
 214                         WHERE %s AND (`item`.`uid` = 0 OR (`item`.`uid` = %s AND NOT `item`.`global`))
 215                                 $sql_extra
 216                         GROUP BY `item`.`uri` ORDER BY `item`.`id` DESC LIMIT %d , %d",
 217                                 item_fieldlists(), item_joins(), item_condition(),
 218                                 intval(local_user()),
 219                                 intval($a->pager['start']), intval($a->pager['itemspage']));
 220         }
 221
 222         if (! dbm::is_result($r)) {
 223                 info( t('No results.') . EOL);
 224                 return $o;
 225         }
 226
 227
 228         if($tag)
 229                 $title = sprintf( t('Items tagged with: %s'), $search);
 230         else
 231                 $title = sprintf( t('Results for: %s'), $search);
 232
 233         $o .= replace_macros(get_markup_template("section_title.tpl"),array(
 234                 '$title' => $title
 235         ));
 236
 237         logger("Start Conversation for '".$search."'", LOGGER_DEBUG);
 238         $o .= conversation($a,$r,'search',false);
 239
 240         $o .= alt_pager($a,count($r));
 241
 242         logger("Done '".$search."'", LOGGER_DEBUG);
 243
 244         return $o;
 245 }
 246