src/Core/Search.php

   1 <?php
   2
   3 namespace Friendica\Core;
   4
   5 use Friendica\BaseObject;
   6 use Friendica\Database\DBA;
   7 use Friendica\Model\Contact;
   8 use Friendica\Network\Probe;
   9 use Friendica\Network\HTTPException;
  10 use Friendica\Object\Search\ContactResult;
  11 use Friendica\Object\Search\ResultList;
  12 use Friendica\Protocol\PortableContact;
  13 use Friendica\Util\Network;
  14 use Friendica\Util\Strings;
  15
  16 class Search extends BaseObject
  17 {
  18         const DEFAULT_DIRECTORY = 'https://dir.friendica.social';
  19
  20         /**
  21          * Search a user based on his/her profile address
  22          * pattern: @username@domain.tld
  23          *
  24          * @param string $user The user to search for
  25          *
  26          * @return ResultList|null
  27          * @throws HTTPException\InternalServerErrorException
  28          * @throws \ImagickException
  29          */
  30         public static function getContactsFromProbe($user)
  31         {
  32                 if ((filter_var($user, FILTER_VALIDATE_EMAIL) && Network::isEmailDomainValid($user)) ||
  33                     (substr(Strings::normaliseLink($user), 0, 7) == "http://")) {
  34
  35                         $user_data = Probe::uri($user);
  36                         if (empty($user_data)) {
  37                                 return null;
  38                         }
  39
  40                         if (!(in_array($user_data["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::OSTATUS, Protocol::DIASPORA]))) {
  41                                 return null;
  42                         }
  43
  44                         $contactDetails = Contact::getDetailsByURL(defaults($user_data, 'url', ''), local_user());
  45                         $itemUrl = (($contactDetails["addr"] != "") ? $contactDetails["addr"] : defaults($user_data, 'url', ''));
  46
  47                         $result = new ContactResult(
  48                                 defaults($user_data, 'name', ''),
  49                                 defaults($user_data, 'addr', ''),
  50                                 $itemUrl,
  51                                 defaults($user_data, 'url', ''),
  52                                 defaults($user_data, 'photo', ''),
  53                                 defaults($user_data, 'network', ''),
  54                                 defaults($contactDetails, 'cid', 0),
  55                                 0,
  56                                 defaults($user_data, 'tags', '')
  57                         );
  58
  59                         return new ResultList(1, 1, 1, [$result]);
  60
  61                 } else {
  62                         return null;
  63                 }
  64         }
  65
  66         /**
  67          * Search in the global directory for occurrences of the search string
  68          * This is mainly based on the JSON results of https://dir.friendica.social
  69          *
  70          * @param string $search
  71          * @param int    $page
  72          *
  73          * @return ResultList|null
  74          * @throws HTTPException\InternalServerErrorException
  75          */
  76         public static function getContactsFromGlobalDirectory($search, $page = 1)
  77         {
  78                 $config = self::getApp()->getConfig();
  79                 $server = $config->get('system', 'directory', self::DEFAULT_DIRECTORY);
  80
  81                 $searchUrl = $server . '/search?q=' . urlencode($search);
  82
  83                 if ($page > 1) {
  84                         $searchUrl .= '&page=' . $page;
  85                 }
  86
  87                 $red = 0;
  88                 $resultJson = Network::fetchUrl($searchUrl, false,$red, 0, 'application/json');
  89
  90                 $results    = json_decode($resultJson, true);
  91
  92                 $resultList = new ResultList(
  93                         defaults($results, 'page', 1),
  94                         defaults($results, 'count', 1),
  95                         defaults($results, 'itemsperpage', 1)
  96                 );
  97
  98                 $profiles = defaults($results, 'profiles', []);
  99
 100                 foreach ($profiles as $profile) {
 101                         $contactDetails = Contact::getDetailsByURL(defaults($profile, 'profile_url', ''), local_user());
 102                         $itemUrl = (!empty($contactDetails['addr']) ? $contactDetails['addr'] : defaults($profile, 'profile_url', ''));
 103
 104                         $result = new ContactResult(
 105                                 defaults($profile, 'name', ''),
 106                                 defaults($profile, 'addr', ''),
 107                                 $itemUrl,
 108                                 defaults($profile, 'profile_url', ''),
 109                                 defaults($profile, 'photo', ''),
 110                                 Protocol::DFRN,
 111                                 defaults($contactDetails, 'cid', 0),
 112                                 0,
 113                                 defaults($profile, 'tags', ''));
 114
 115                         $resultList->addResult($result);
 116                 }
 117
 118                 return $resultList;
 119         }
 120
 121         /**
 122          * Search in the local database for occurrences of the search string
 123          *
 124          * @param string $search
 125          * @param int    $start
 126          * @param int    $itemPage
 127          * @param bool   $community
 128          *
 129          * @return ResultList|null
 130          * @throws HTTPException\InternalServerErrorException
 131          */
 132         public static function getContactsFromLocalDirectory($search, $start = 0, $itemPage = 80, $community = false)
 133         {
 134                 $config = self::getApp()->getConfig();
 135
 136                 $diaspora = $config->get('system', 'diaspora_enabled') ? Protocol::DIASPORA : Protocol::DFRN;
 137                 $ostatus  = !$config->get('system', 'ostatus_disabled') ? Protocol::OSTATUS : Protocol::DFRN;
 138
 139                 $wildcard = Strings::escapeHtml('%' . $search . '%');
 140
 141                 $count = DBA::count('gcontact', [
 142                         'NOT `hide`
 143                         AND `network` IN (?, ?, ?, ?)
 144                         AND ((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`))
 145                         AND (`url` LIKE ? OR `name` LIKE ? OR `location` LIKE ?
 146                                 OR `addr` LIKE ? OR `about` LIKE ? OR `keywords` LIKE ?)
 147                         AND `community` = ?',
 148                         Protocol::ACTIVITYPUB, Protocol::DFRN, $ostatus, $diaspora,
 149                         $wildcard, $wildcard, $wildcard,
 150                         $wildcard, $wildcard, $wildcard,
 151                         $community,
 152                 ]);
 153
 154                 if (empty($count)) {
 155                         return null;
 156                 }
 157
 158                 $data = DBA::select('gcontact', ['nurl'], [
 159                         'NOT `hide`
 160                         AND `network` IN (?, ?, ?, ?)
 161                         AND ((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`))
 162                         AND (`url` LIKE ? OR `name` LIKE ? OR `location` LIKE ?
 163                                 OR `addr` LIKE ? OR `about` LIKE ? OR `keywords` LIKE ?)
 164                         AND `community` = ?',
 165                         Protocol::ACTIVITYPUB, Protocol::DFRN, $ostatus, $diaspora,
 166                         $wildcard, $wildcard, $wildcard,
 167                         $wildcard, $wildcard, $wildcard,
 168                         $community,
 169                 ], [
 170                         'group_by' => ['nurl', 'updated'],
 171                         'limit' => [$start, $itemPage],
 172                         'order' => ['updated' => 'DESC']
 173                 ]);
 174
 175                 if (!DBA::isResult($data)) {
 176                         return null;
 177                 }
 178
 179                 $resultList = new ResultList($start, $itemPage, $count);
 180
 181                 while ($row = DBA::fetch($data)) {
 182                         if (PortableContact::alternateOStatusUrl($row["nurl"])) {
 183                                 continue;
 184                         }
 185
 186                         $urlParts = parse_url($row["nurl"]);
 187
 188                         // Ignore results that look strange.
 189                         // For historic reasons the gcontact table does contain some garbage.
 190                         if (!empty($urlParts['query']) || !empty($urlParts['fragment'])) {
 191                                 continue;
 192                         }
 193
 194                         $contact = Contact::getDetailsByURL($row["nurl"], local_user());
 195
 196                         if ($contact["name"] == "") {
 197                                 $contact["name"] = end(explode("/", $urlParts["path"]));
 198                         }
 199
 200                         $result = new ContactResult(
 201                                 $contact["name"],
 202                                 $contact["addr"],
 203                                 $contact["addr"],
 204                                 $contact["url"],
 205                                 $contact["photo"],
 206                                 $contact["network"],
 207                                 $contact["cid"],
 208                                 $contact["zid"],
 209                                 $contact["keywords"]
 210                         );
 211
 212                         $resultList->addResult($result);
 213                 }
 214
 215                 DBA::close($data);
 216
 217                 // Add found profiles from the global directory to the local directory
 218                 Worker::add(PRIORITY_LOW, 'DiscoverPoCo', "dirsearch", urlencode($search));
 219
 220                 return $resultList;
 221         }
 222 }