mod/search.php

   1 <?php
   2 /**
   3  * @file mod/search.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\Nav;
   8 use Friendica\Content\Pager;
   9 use Friendica\Content\Text\HTML;
  10 use Friendica\Core\Cache;
  11 use Friendica\Core\Config;
  12 use Friendica\Core\L10n;
  13 use Friendica\Core\Logger;
  14 use Friendica\Core\Renderer;
  15 use Friendica\Database\DBA;
  16 use Friendica\Model\Item;
  17 use Friendica\Module\BaseSearchModule;
  18 use Friendica\Util\Strings;
  19
  20 function search_saved_searches() {
  21
  22         $o = '';
  23         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  24
  25         $r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
  26                 intval(local_user())
  27         );
  28
  29         if (DBA::isResult($r)) {
  30                 $saved = [];
  31                 foreach ($r as $rr) {
  32                         $saved[] = [
  33                                 'id'            => $rr['id'],
  34                                 'term'          => $rr['term'],
  35                                 'encodedterm'   => urlencode($rr['term']),
  36                                 'delete'        => L10n::t('Remove term'),
  37                                 'selected'      => ($search==$rr['term']),
  38                         ];
  39                 }
  40
  41
  42                 $tpl = Renderer::getMarkupTemplate("saved_searches_aside.tpl");
  43
  44                 $o .= Renderer::replaceMacros($tpl, [
  45                         '$title'        => L10n::t('Saved Searches'),
  46                         '$add'          => '',
  47                         '$searchbox'    => '',
  48                         '$saved'        => $saved,
  49                 ]);
  50         }
  51
  52         return $o;
  53
  54 }
  55
  56
  57 function search_init(App $a) {
  58
  59         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  60
  61         if (local_user()) {
  62                 if (!empty($_GET['save']) && $search) {
  63                         $r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  64                                 intval(local_user()),
  65                                 DBA::escape($search)
  66                         );
  67                         if (!DBA::isResult($r)) {
  68                                 DBA::insert('search', ['uid' => local_user(), 'term' => $search]);
  69                         }
  70                 }
  71                 if (!empty($_GET['remove']) && $search) {
  72                         DBA::delete('search', ['uid' => local_user(), 'term' => $search]);
  73                 }
  74
  75                 /// @todo Check if there is a case at all that "aside" is prefilled here
  76                 if (!isset($a->page['aside'])) {
  77                         $a->page['aside'] = '';
  78                 }
  79
  80                 $a->page['aside'] .= search_saved_searches();
  81
  82         } else {
  83                 unset($_SESSION['theme']);
  84                 unset($_SESSION['mobile-theme']);
  85         }
  86
  87
  88
  89 }
  90
  91 function search_content(App $a) {
  92
  93         if (Config::get('system','block_public') && !local_user() && !remote_user()) {
  94                 notice(L10n::t('Public access denied.') . EOL);
  95                 return;
  96         }
  97
  98         if (Config::get('system','local_search') && !local_user() && !remote_user()) {
  99                 $e = new \Friendica\Network\HTTPException\ForbiddenException(L10n::t("Only logged in users are permitted to perform a search."));
 100                 $e->httpdesc = L10n::t("Public access denied.");
 101                 throw $e;
 102         }
 103
 104         if (Config::get('system','permit_crawling') && !local_user() && !remote_user()) {
 105                 // Default values:
 106                 // 10 requests are "free", after the 11th only a call per minute is allowed
 107
 108                 $free_crawls = intval(Config::get('system','free_crawls'));
 109                 if ($free_crawls == 0)
 110                         $free_crawls = 10;
 111
 112                 $crawl_permit_period = intval(Config::get('system','crawl_permit_period'));
 113                 if ($crawl_permit_period == 0)
 114                         $crawl_permit_period = 10;
 115
 116                 $remote = $_SERVER["REMOTE_ADDR"];
 117                 $result = Cache::get("remote_search:".$remote);
 118                 if (!is_null($result)) {
 119                         $resultdata = json_decode($result);
 120                         if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
 121                                 throw new \Friendica\Network\HTTPException\TooManyRequestsException(L10n::t("Only one search per minute is permitted for not logged in users."));
 122                         }
 123                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => $resultdata->accesses + 1]), Cache::HOUR);
 124                 } else
 125                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), Cache::HOUR);
 126         }
 127
 128         Nav::setSelected('search');
 129
 130         $search = (!empty($_REQUEST['search']) ? Strings::escapeTags(trim(rawurldecode($_REQUEST['search']))) : '');
 131
 132         $tag = false;
 133         if (!empty($_GET['tag'])) {
 134                 $tag = true;
 135                 $search = (!empty($_GET['tag']) ? '#' . Strings::escapeTags(trim(rawurldecode($_GET['tag']))) : '');
 136         }
 137
 138         // contruct a wrapper for the search header
 139         $o = Renderer::replaceMacros(Renderer::getMarkupTemplate("content_wrapper.tpl"),[
 140                 'name' => "search-header",
 141                 '$title' => L10n::t("Search"),
 142                 '$title_size' => 3,
 143                 '$content' => HTML::search($search,'search-box','search', false)
 144         ]);
 145
 146         if (strpos($search,'#') === 0) {
 147                 $tag = true;
 148                 $search = substr($search,1);
 149         }
 150         if (strpos($search,'@') === 0) {
 151                 return BaseSearchModule::performSearch();
 152         }
 153         if (strpos($search,'!') === 0) {
 154                 return BaseSearchModule::performSearch();
 155         }
 156
 157         if (!empty($_GET['search-option']))
 158                 switch($_GET['search-option']) {
 159                         case 'fulltext':
 160                                 break;
 161                         case 'tags':
 162                                 $tag = true;
 163                                 break;
 164                         case 'contacts':
 165                                 return BaseSearchModule::performSearch('@');
 166                         case 'forums':
 167                                 return BaseSearchModule::performSearch('!');
 168                 }
 169
 170         if (!$search)
 171                 return $o;
 172
 173         if (Config::get('system','only_tag_search'))
 174                 $tag = true;
 175
 176         // Here is the way permissions work in the search module...
 177         // Only public posts can be shown
 178         // OR your own posts if you are a logged in member
 179         // No items will be shown if the member has a blocked profile wall.
 180
 181         $pager = new Pager($a->query_string);
 182
 183         if ($tag) {
 184                 Logger::log("Start tag search for '".$search."'", Logger::DEBUG);
 185
 186                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 187                         AND `otype` = ? AND `type` = ? AND `term` = ?",
 188                         local_user(), TERM_OBJ_POST, TERM_HASHTAG, $search];
 189                 $params = ['order' => ['created' => true],
 190                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 191                 $terms = DBA::select('term', ['oid'], $condition, $params);
 192
 193                 $itemids = [];
 194                 while ($term = DBA::fetch($terms)) {
 195                         $itemids[] = $term['oid'];
 196                 }
 197                 DBA::close($terms);
 198
 199                 if (!empty($itemids)) {
 200                         $params = ['order' => ['id' => true]];
 201                         $items = Item::selectForUser(local_user(), [], ['id' => $itemids], $params);
 202                         $r = Item::inArray($items);
 203                 } else {
 204                         $r = [];
 205                 }
 206         } else {
 207                 Logger::log("Start fulltext search for '".$search."'", Logger::DEBUG);
 208
 209                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 210                         AND `body` LIKE CONCAT('%',?,'%')",
 211                         local_user(), $search];
 212                 $params = ['order' => ['id' => true],
 213                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 214                 $items = Item::selectForUser(local_user(), [], $condition, $params);
 215                 $r = Item::inArray($items);
 216         }
 217
 218         if (!DBA::isResult($r)) {
 219                 info(L10n::t('No results.') . EOL);
 220                 return $o;
 221         }
 222
 223
 224         if ($tag) {
 225                 $title = L10n::t('Items tagged with: %s', $search);
 226         } else {
 227                 $title = L10n::t('Results for: %s', $search);
 228         }
 229
 230         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate("section_title.tpl"),[
 231                 '$title' => $title
 232         ]);
 233
 234         Logger::log("Start Conversation for '".$search."'", Logger::DEBUG);
 235         $o .= conversation($a, $r, $pager, 'search', false, false, 'commented', local_user());
 236
 237         $o .= $pager->renderMinimal(count($r));
 238
 239         Logger::log("Done '".$search."'", Logger::DEBUG);
 240
 241         return $o;
 242 }