mod/search.php

   1 <?php
   2 /**
   3  * @file mod/search.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Content\Feature;
   8 use Friendica\Content\Nav;
   9 use Friendica\Content\Pager;
  10 use Friendica\Content\Text\HTML;
  11 use Friendica\Core\Cache;
  12 use Friendica\Core\Config;
  13 use Friendica\Core\L10n;
  14 use Friendica\Core\Logger;
  15 use Friendica\Core\Renderer;
  16 use Friendica\Core\System;
  17 use Friendica\Database\DBA;
  18 use Friendica\Model\Item;
  19 use Friendica\Util\Strings;
  20
  21 require_once 'include/conversation.php';
  22 require_once 'mod/dirfind.php';
  23
  24 function search_saved_searches() {
  25
  26         $o = '';
  27         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  28
  29         $r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
  30                 intval(local_user())
  31         );
  32
  33         if (DBA::isResult($r)) {
  34                 $saved = [];
  35                 foreach ($r as $rr) {
  36                         $saved[] = [
  37                                 'id'            => $rr['id'],
  38                                 'term'          => $rr['term'],
  39                                 'encodedterm'   => urlencode($rr['term']),
  40                                 'delete'        => L10n::t('Remove term'),
  41                                 'selected'      => ($search==$rr['term']),
  42                         ];
  43                 }
  44
  45
  46                 $tpl = Renderer::getMarkupTemplate("saved_searches_aside.tpl");
  47
  48                 $o .= Renderer::replaceMacros($tpl, [
  49                         '$title'        => L10n::t('Saved Searches'),
  50                         '$add'          => '',
  51                         '$searchbox'    => '',
  52                         '$saved'        => $saved,
  53                 ]);
  54         }
  55
  56         return $o;
  57
  58 }
  59
  60
  61 function search_init(App $a) {
  62
  63         $search = (!empty($_GET['search']) ? Strings::escapeTags(trim(rawurldecode($_GET['search']))) : '');
  64
  65         if (local_user()) {
  66                 if (!empty($_GET['save']) && $search) {
  67                         $r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  68                                 intval(local_user()),
  69                                 DBA::escape($search)
  70                         );
  71                         if (!DBA::isResult($r)) {
  72                                 DBA::insert('search', ['uid' => local_user(), 'term' => $search]);
  73                         }
  74                 }
  75                 if (!empty($_GET['remove']) && $search) {
  76                         DBA::delete('search', ['uid' => local_user(), 'term' => $search]);
  77                 }
  78
  79                 /// @todo Check if there is a case at all that "aside" is prefilled here
  80                 if (!isset($a->page['aside'])) {
  81                         $a->page['aside'] = '';
  82                 }
  83
  84                 $a->page['aside'] .= search_saved_searches();
  85
  86         } else {
  87                 unset($_SESSION['theme']);
  88                 unset($_SESSION['mobile-theme']);
  89         }
  90
  91
  92
  93 }
  94
  95 function search_content(App $a) {
  96
  97         if (Config::get('system','block_public') && !local_user() && !remote_user()) {
  98                 notice(L10n::t('Public access denied.') . EOL);
  99                 return;
 100         }
 101
 102         if (Config::get('system','local_search') && !local_user() && !remote_user()) {
 103                 System::httpExit(403,
 104                                 ["title" => L10n::t("Public access denied."),
 105                                         "description" => L10n::t("Only logged in users are permitted to perform a search.")]);
 106                 killme();
 107                 //notice(L10n::t('Public access denied.').EOL);
 108                 //return;
 109         }
 110
 111         if (Config::get('system','permit_crawling') && !local_user() && !remote_user()) {
 112                 // Default values:
 113                 // 10 requests are "free", after the 11th only a call per minute is allowed
 114
 115                 $free_crawls = intval(Config::get('system','free_crawls'));
 116                 if ($free_crawls == 0)
 117                         $free_crawls = 10;
 118
 119                 $crawl_permit_period = intval(Config::get('system','crawl_permit_period'));
 120                 if ($crawl_permit_period == 0)
 121                         $crawl_permit_period = 10;
 122
 123                 $remote = $_SERVER["REMOTE_ADDR"];
 124                 $result = Cache::get("remote_search:".$remote);
 125                 if (!is_null($result)) {
 126                         $resultdata = json_decode($result);
 127                         if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
 128                                 System::httpExit(429,
 129                                                 ["title" => L10n::t("Too Many Requests"),
 130                                                         "description" => L10n::t("Only one search per minute is permitted for not logged in users.")]);
 131                                 killme();
 132                         }
 133                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => $resultdata->accesses + 1]), Cache::HOUR);
 134                 } else
 135                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), Cache::HOUR);
 136         }
 137
 138         Nav::setSelected('search');
 139
 140         $search = (!empty($_REQUEST['search']) ? Strings::escapeTags(trim(rawurldecode($_REQUEST['search']))) : '');
 141
 142         $tag = false;
 143         if (!empty($_GET['tag'])) {
 144                 $tag = true;
 145                 $search = (!empty($_GET['tag']) ? '#' . Strings::escapeTags(trim(rawurldecode($_GET['tag']))) : '');
 146         }
 147
 148         // contruct a wrapper for the search header
 149         $o = Renderer::replaceMacros(Renderer::getMarkupTemplate("content_wrapper.tpl"),[
 150                 'name' => "search-header",
 151                 '$title' => L10n::t("Search"),
 152                 '$title_size' => 3,
 153                 '$content' => HTML::search($search,'search-box','search', false)
 154         ]);
 155
 156         if (strpos($search,'#') === 0) {
 157                 $tag = true;
 158                 $search = substr($search,1);
 159         }
 160         if (strpos($search,'@') === 0) {
 161                 return dirfind_content($a);
 162         }
 163         if (strpos($search,'!') === 0) {
 164                 return dirfind_content($a);
 165         }
 166
 167         if (!empty($_GET['search-option']))
 168                 switch($_GET['search-option']) {
 169                         case 'fulltext':
 170                                 break;
 171                         case 'tags':
 172                                 $tag = true;
 173                                 break;
 174                         case 'contacts':
 175                                 return dirfind_content($a, "@");
 176                                 break;
 177                         case 'forums':
 178                                 return dirfind_content($a, "!");
 179                                 break;
 180                 }
 181
 182         if (!$search)
 183                 return $o;
 184
 185         if (Config::get('system','only_tag_search'))
 186                 $tag = true;
 187
 188         // Here is the way permissions work in the search module...
 189         // Only public posts can be shown
 190         // OR your own posts if you are a logged in member
 191         // No items will be shown if the member has a blocked profile wall.
 192
 193         $pager = new Pager($a->query_string);
 194
 195         if ($tag) {
 196                 Logger::log("Start tag search for '".$search."'", Logger::DEBUG);
 197
 198                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 199                         AND `otype` = ? AND `type` = ? AND `term` = ?",
 200                         local_user(), TERM_OBJ_POST, TERM_HASHTAG, $search];
 201                 $params = ['order' => ['created' => true],
 202                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 203                 $terms = DBA::select('term', ['oid'], $condition, $params);
 204
 205                 $itemids = [];
 206                 while ($term = DBA::fetch($terms)) {
 207                         $itemids[] = $term['oid'];
 208                 }
 209                 DBA::close($terms);
 210
 211                 if (!empty($itemids)) {
 212                         $params = ['order' => ['id' => true]];
 213                         $items = Item::selectForUser(local_user(), [], ['id' => $itemids], $params);
 214                         $r = Item::inArray($items);
 215                 } else {
 216                         $r = [];
 217                 }
 218         } else {
 219                 Logger::log("Start fulltext search for '".$search."'", Logger::DEBUG);
 220
 221                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 222                         AND `body` LIKE CONCAT('%',?,'%')",
 223                         local_user(), $search];
 224                 $params = ['order' => ['id' => true],
 225                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 226                 $items = Item::selectForUser(local_user(), [], $condition, $params);
 227                 $r = Item::inArray($items);
 228         }
 229
 230         if (!DBA::isResult($r)) {
 231                 info(L10n::t('No results.') . EOL);
 232                 return $o;
 233         }
 234
 235
 236         if ($tag) {
 237                 $title = L10n::t('Items tagged with: %s', $search);
 238         } else {
 239                 $title = L10n::t('Results for: %s', $search);
 240         }
 241
 242         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate("section_title.tpl"),[
 243                 '$title' => $title
 244         ]);
 245
 246         Logger::log("Start Conversation for '".$search."'", Logger::DEBUG);
 247         $o .= conversation($a, $r, $pager, 'search', false, false, 'commented', local_user());
 248
 249         $o .= $pager->renderMinimal(count($r));
 250
 251         Logger::log("Done '".$search."'", Logger::DEBUG);
 252
 253         return $o;
 254 }