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
  20 require_once 'include/conversation.php';
  21 require_once 'mod/dirfind.php';
  22
  23 function search_saved_searches() {
  24
  25         $o = '';
  26         $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
  27
  28         if (!Feature::isEnabled(local_user(),'savedsearch'))
  29                 return $o;
  30
  31         $r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
  32                 intval(local_user())
  33         );
  34
  35         if (DBA::isResult($r)) {
  36                 $saved = [];
  37                 foreach ($r as $rr) {
  38                         $saved[] = [
  39                                 'id'            => $rr['id'],
  40                                 'term'          => $rr['term'],
  41                                 'encodedterm'   => urlencode($rr['term']),
  42                                 'delete'        => L10n::t('Remove term'),
  43                                 'selected'      => ($search==$rr['term']),
  44                         ];
  45                 }
  46
  47
  48                 $tpl = Renderer::getMarkupTemplate("saved_searches_aside.tpl");
  49
  50                 $o .= Renderer::replaceMacros($tpl, [
  51                         '$title'        => L10n::t('Saved Searches'),
  52                         '$add'          => '',
  53                         '$searchbox'    => '',
  54                         '$saved'        => $saved,
  55                 ]);
  56         }
  57
  58         return $o;
  59
  60 }
  61
  62
  63 function search_init(App $a) {
  64
  65         $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
  66
  67         if (local_user()) {
  68                 if (x($_GET,'save') && $search) {
  69                         $r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
  70                                 intval(local_user()),
  71                                 DBA::escape($search)
  72                         );
  73                         if (!DBA::isResult($r)) {
  74                                 DBA::insert('search', ['uid' => local_user(), 'term' => $search]);
  75                         }
  76                 }
  77                 if (x($_GET,'remove') && $search) {
  78                         DBA::delete('search', ['uid' => local_user(), 'term' => $search]);
  79                 }
  80
  81                 /// @todo Check if there is a case at all that "aside" is prefilled here
  82                 if (!isset($a->page['aside'])) {
  83                         $a->page['aside'] = '';
  84                 }
  85
  86                 $a->page['aside'] .= search_saved_searches();
  87
  88         } else {
  89                 unset($_SESSION['theme']);
  90                 unset($_SESSION['mobile-theme']);
  91         }
  92
  93
  94
  95 }
  96
  97
  98
  99 function search_post(App $a) {
 100         if (x($_POST,'search'))
 101                 $a->data['search'] = $_POST['search'];
 102 }
 103
 104
 105 function search_content(App $a) {
 106
 107         if (Config::get('system','block_public') && !local_user() && !remote_user()) {
 108                 notice(L10n::t('Public access denied.') . EOL);
 109                 return;
 110         }
 111
 112         if (Config::get('system','local_search') && !local_user() && !remote_user()) {
 113                 System::httpExit(403,
 114                                 ["title" => L10n::t("Public access denied."),
 115                                         "description" => L10n::t("Only logged in users are permitted to perform a search.")]);
 116                 killme();
 117                 //notice(L10n::t('Public access denied.').EOL);
 118                 //return;
 119         }
 120
 121         if (Config::get('system','permit_crawling') && !local_user() && !remote_user()) {
 122                 // Default values:
 123                 // 10 requests are "free", after the 11th only a call per minute is allowed
 124
 125                 $free_crawls = intval(Config::get('system','free_crawls'));
 126                 if ($free_crawls == 0)
 127                         $free_crawls = 10;
 128
 129                 $crawl_permit_period = intval(Config::get('system','crawl_permit_period'));
 130                 if ($crawl_permit_period == 0)
 131                         $crawl_permit_period = 10;
 132
 133                 $remote = $_SERVER["REMOTE_ADDR"];
 134                 $result = Cache::get("remote_search:".$remote);
 135                 if (!is_null($result)) {
 136                         $resultdata = json_decode($result);
 137                         if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
 138                                 System::httpExit(429,
 139                                                 ["title" => L10n::t("Too Many Requests"),
 140                                                         "description" => L10n::t("Only one search per minute is permitted for not logged in users.")]);
 141                                 killme();
 142                         }
 143                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => $resultdata->accesses + 1]), Cache::HOUR);
 144                 } else
 145                         Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), Cache::HOUR);
 146         }
 147
 148         Nav::setSelected('search');
 149
 150         $search = '';
 151         if (x($a->data,'search'))
 152                 $search = notags(trim($a->data['search']));
 153         else
 154                 $search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
 155
 156         $tag = false;
 157         if (x($_GET,'tag')) {
 158                 $tag = true;
 159                 $search = (x($_GET,'tag') ? '#' . notags(trim(rawurldecode($_GET['tag']))) : '');
 160         }
 161
 162         // contruct a wrapper for the search header
 163         $o = Renderer::replaceMacros(Renderer::getMarkupTemplate("content_wrapper.tpl"),[
 164                 'name' => "search-header",
 165                 '$title' => L10n::t("Search"),
 166                 '$title_size' => 3,
 167                 '$content' => HTML::search($search,'search-box','search',((local_user()) ? true : false), false)
 168         ]);
 169
 170         if (strpos($search,'#') === 0) {
 171                 $tag = true;
 172                 $search = substr($search,1);
 173         }
 174         if (strpos($search,'@') === 0) {
 175                 return dirfind_content($a);
 176         }
 177         if (strpos($search,'!') === 0) {
 178                 return dirfind_content($a);
 179         }
 180
 181         if (x($_GET,'search-option'))
 182                 switch($_GET['search-option']) {
 183                         case 'fulltext':
 184                                 break;
 185                         case 'tags':
 186                                 $tag = true;
 187                                 break;
 188                         case 'contacts':
 189                                 return dirfind_content($a, "@");
 190                                 break;
 191                         case 'forums':
 192                                 return dirfind_content($a, "!");
 193                                 break;
 194                 }
 195
 196         if (!$search)
 197                 return $o;
 198
 199         if (Config::get('system','only_tag_search'))
 200                 $tag = true;
 201
 202         // Here is the way permissions work in the search module...
 203         // Only public posts can be shown
 204         // OR your own posts if you are a logged in member
 205         // No items will be shown if the member has a blocked profile wall.
 206
 207         $pager = new Pager($a->query_string);
 208
 209         if ($tag) {
 210                 Logger::log("Start tag search for '".$search."'", Logger::DEBUG);
 211
 212                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 213                         AND `otype` = ? AND `type` = ? AND `term` = ?",
 214                         local_user(), TERM_OBJ_POST, TERM_HASHTAG, $search];
 215                 $params = ['order' => ['created' => true],
 216                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 217                 $terms = DBA::select('term', ['oid'], $condition, $params);
 218
 219                 $itemids = [];
 220                 while ($term = DBA::fetch($terms)) {
 221                         $itemids[] = $term['oid'];
 222                 }
 223                 DBA::close($terms);
 224
 225                 if (!empty($itemids)) {
 226                         $params = ['order' => ['id' => true]];
 227                         $items = Item::selectForUser(local_user(), [], ['id' => $itemids], $params);
 228                         $r = Item::inArray($items);
 229                 } else {
 230                         $r = [];
 231                 }
 232         } else {
 233                 Logger::log("Start fulltext search for '".$search."'", Logger::DEBUG);
 234
 235                 $condition = ["(`uid` = 0 OR (`uid` = ? AND NOT `global`))
 236                         AND `body` LIKE CONCAT('%',?,'%')",
 237                         local_user(), $search];
 238                 $params = ['order' => ['id' => true],
 239                         'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 240                 $items = Item::selectForUser(local_user(), [], $condition, $params);
 241                 $r = Item::inArray($items);
 242         }
 243
 244         if (!DBA::isResult($r)) {
 245                 info(L10n::t('No results.') . EOL);
 246                 return $o;
 247         }
 248
 249
 250         if ($tag) {
 251                 $title = L10n::t('Items tagged with: %s', $search);
 252         } else {
 253                 $title = L10n::t('Results for: %s', $search);
 254         }
 255
 256         $o .= Renderer::replaceMacros(Renderer::getMarkupTemplate("section_title.tpl"),[
 257                 '$title' => $title
 258         ]);
 259
 260         Logger::log("Start Conversation for '".$search."'", Logger::DEBUG);
 261         $o .= conversation($a, $r, $pager, 'search', false, false, 'commented', local_user());
 262
 263         $o .= $pager->renderMinimal(count($r));
 264
 265         Logger::log("Done '".$search."'", Logger::DEBUG);
 266
 267         return $o;
 268 }