mod/search.php

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