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