mod/search.php

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