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\Core\System;
  16 use Friendica\Database\DBA;
  17 use Friendica\Model\Item;
  18 use Friendica\Util\Strings;
  19
  20 require_once 'mod/dirfind.php';
  21
  22 function search_saved_searches() {
  23
  24         $o = '';
  25         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  26
  27         $r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
  28                 intval(local_user())
  29         );
  30
  31         if (DBA::isResult($r)) {
  32                 $saved = [];
  33                 foreach ($r as $rr) {
  34                         $saved[] = [
  35                                 'id'            => $rr['id'],
  36                                 'term'          => $rr['term'],
  37                                 'encodedterm'   => urlencode($rr['term']),
  38                                 'delete'        => L10n::t('Remove term'),
  39                                 'selected'      => ($search==$rr['term']),
  40                         ];
  41                 }
  42
  43
  44                 $tpl = Renderer::getMarkupTemplate("saved_searches_aside.tpl");
  45
  46                 $o .= Renderer::replaceMacros($tpl, [
  47                         '$title'        => L10n::t('Saved Searches'),
  48                         '$add'          => '',
  49                         '$searchbox'    => '',
  50                         '$saved'        => $saved,
  51                 ]);
  52         }
  53
  54         return $o;
  55
  56 }
  57
  58
  59 function search_init(App $a) {
  60
  61         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  62
  63         if (local_user()) {
  64                 if (!empty($_GET['save']) && $search) {
  65                         $r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  66                                 intval(local_user()),
  67                                 DBA::escape($search)
  68                         );
  69                         if (!DBA::isResult($r)) {
  70                                 DBA::insert('search', ['uid' => local_user(), 'term' => $search]);
  71                         }
  72                 }
  73                 if (!empty($_GET['remove']) && $search) {
  74                         DBA::delete('search', ['uid' => local_user(), 'term' => $search]);
  75                 }
  76
  77                 /// @todo Check if there is a case at all that "aside" is prefilled here
  78                 if (!isset($a->page['aside'])) {
  79                         $a->page['aside'] = '';
  80                 }
  81
  82                 $a->page['aside'] .= search_saved_searches();
  83
  84         } else {
  85                 unset($_SESSION['theme']);
  86                 unset($_SESSION['mobile-theme']);
  87         }
  88
  89
  90
  91 }
  92
  93 function search_content(App $a) {
  94
  95         if (Config::get('system','block_public') && !local_user() && !remote_user()) {
  96                 notice(L10n::t('Public access denied.') . EOL);
  97                 return;
  98         }
  99
 100         if (Config::get('system','local_search') && !local_user() && !remote_user()) {
 101                 System::httpExit(403,
 102                                 ["title" => L10n::t("Public access denied."),
 103                                         "description" => L10n::t("Only logged in users are permitted to perform a search.")]);
 104                 exit();
 105                 //notice(L10n::t('Public access denied.').EOL);
 106                 //return;
 107         }
 108
 109         if (Config::get('system','permit_crawling') && !local_user() && !remote_user()) {
 110                 // Default values:
 111                 // 10 requests are "free", after the 11th only a call per minute is allowed
 112
 113                 $free_crawls = intval(Config::get('system','free_crawls'));
 114                 if ($free_crawls == 0)
 115                         $free_crawls = 10;
 116
 117                 $crawl_permit_period = intval(Config::get('system','crawl_permit_period'));
 118                 if ($crawl_permit_period == 0)
 119                         $crawl_permit_period = 10;
 120
 121                 $remote = $_SERVER["REMOTE_ADDR"];
 122                 $result = Cache::get("remote_search:".$remote);
 123                 if (!is_null($result)) {
 124                         $resultdata = json_decode($result);
 125                         if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
 126                                 System::httpExit(429,
 127                                                 ["title" => L10n::t("Too Many Requests"),
 128                                                         "description" => L10n::t("Only one search per minute is permitted for not logged in users.")]);
 129                                 exit();
 130                         }
 131                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => $resultdata->accesses + 1]), Cache::HOUR);
 132                 } else
 133                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), Cache::HOUR);
 134         }
 135
 136         Nav::setSelected('search');
 137
 138         $search = (!empty($_REQUEST['search']) ? Strings::escapeTags(trim(rawurldecode($_REQUEST['search']))) : '');
 139
 140         $tag = false;
 141         if (!empty($_GET['tag'])) {
 142                 $tag = true;
 143                 $search = (!empty($_GET['tag']) ? '#' . Strings::escapeTags(trim(rawurldecode($_GET['tag']))) : '');
 144         }
 145
 146         // contruct a wrapper for the search header
 147         $o = Renderer::replaceMacros(Renderer::getMarkupTemplate("content_wrapper.tpl"),[
 148                 'name' => "search-header",
 149                 '$title' => L10n::t("Search"),
 150                 '$title_size' => 3,
 151                 '$content' => HTML::search($search,'search-box','search', false)
 152         ]);
 153
 154         if (strpos($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 (!empty($_GET['search-option']))
 166                 switch($_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 (Config::get('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         $pager = new Pager($a->query_string);
 192
 193         if ($tag) {
 194                 Logger::log("Start tag search for '".$search."'", Logger::DEBUG);
 195
 196                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 197                         AND `otype` = ? AND `type` = ? AND `term` = ?",
 198                         local_user(), TERM_OBJ_POST, TERM_HASHTAG, $search];
 199                 $params = ['order' => ['created' => true],
 200                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 201                 $terms = DBA::select('term', ['oid'], $condition, $params);
 202
 203                 $itemids = [];
 204                 while ($term = DBA::fetch($terms)) {
 205                         $itemids[] = $term['oid'];
 206                 }
 207                 DBA::close($terms);
 208
 209                 if (!empty($itemids)) {
 210                         $params = ['order' => ['id' => true]];
 211                         $items = Item::selectForUser(local_user(), [], ['id' => $itemids], $params);
 212                         $r = Item::inArray($items);
 213                 } else {
 214                         $r = [];
 215                 }
 216         } else {
 217                 Logger::log("Start fulltext search for '".$search."'", Logger::DEBUG);
 218
 219                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 220                         AND `body` LIKE CONCAT('%',?,'%')",
 221                         local_user(), $search];
 222                 $params = ['order' => ['id' => true],
 223                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 224                 $items = Item::selectForUser(local_user(), [], $condition, $params);
 225                 $r = Item::inArray($items);
 226         }
 227
 228         if (!DBA::isResult($r)) {
 229                 info(L10n::t('No results.') . EOL);
 230                 return $o;
 231         }
 232
 233
 234         if ($tag) {
 235                 $title = L10n::t('Items tagged with: %s', $search);
 236         } else {
 237                 $title = L10n::t('Results for: %s', $search);
 238         }
 239
 240         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate("section_title.tpl"),[
 241                 '$title' => $title
 242         ]);
 243
 244         Logger::log("Start Conversation for '".$search."'", Logger::DEBUG);
 245         $o .= conversation($a, $r, $pager, 'search', false, false, 'commented', local_user());
 246
 247         $o .= $pager->renderMinimal(count($r));
 248
 249         Logger::log("Done '".$search."'", Logger::DEBUG);
 250
 251         return $o;
 252 }