src/Worker/DiscoverPoCo.php

   1 <?php
   2 /**
   3  * @file src/Worker/DiscoverPoCo.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Cache;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\Logger;
  10 use Friendica\Core\Protocol;
  11 use Friendica\Core\Worker;
  12 use Friendica\Database\DBA;
  13 use Friendica\Model\GContact;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\GServer;
  16 use Friendica\Network\Probe;
  17 use Friendica\Protocol\PortableContact;
  18 use Friendica\Util\DateTimeFormat;
  19 use Friendica\Util\Network;
  20 use Friendica\Util\Strings;
  21
  22 class DiscoverPoCo
  23 {
  24         /// @todo Clean up this mess of a parameter hell and split it in several classes
  25         public static function execute($command = '', $param1 = '', $param2 = '', $param3 = '', $param4 = '')
  26         {
  27                 /*
  28                 This function can be called in these ways:
  29                 - checkcontact: Updates gcontact entries
  30                 - server <poco url>: Searches for the poco server list. "poco url" is base64 encoded.
  31                 - update_server: Frequently check the first 250 servers for vitality.
  32                 - PortableContact::load: Load POCO data from a given POCO address
  33                 */
  34
  35                 $search = "";
  36                 $mode = 0;
  37                 if ($command == "server") {
  38                         $server_url = $param1;
  39                         if ($server_url == "") {
  40                                 return;
  41                         }
  42                         $server_url = filter_var($server_url, FILTER_SANITIZE_URL);
  43                         if (substr(Strings::normaliseLink($server_url), 0, 7) != "http://") {
  44                                 return;
  45                         }
  46                         $result = "Checking server ".$server_url." - ";
  47                         $ret = GServer::check($server_url);
  48                         if ($ret) {
  49                                 $result .= "success";
  50                         } else {
  51                                 $result .= "failed";
  52                         }
  53                         Logger::log($result, Logger::DEBUG);
  54                 } elseif ($command == "update_server") {
  55                         self::updateServer();
  56                 } elseif ($command == "load") {
  57                         if (!empty($param4)) {
  58                                 $url = $param4;
  59                         } else {
  60                                 $url = '';
  61                         }
  62                         PortableContact::load(intval($param1), intval($param2), intval($param3), $url);
  63                 } elseif ($command !== "") {
  64                         Logger::log("Unknown or missing parameter ".$command."\n");
  65                         return;
  66                 }
  67
  68                 Logger::log('start '.$search);
  69
  70                 if (($mode == 0) && ($search == "") && (Config::get('system', 'poco_discovery') != PortableContact::DISABLED)) {
  71                         // Query Friendica and Hubzilla servers for their users
  72                         PortableContact::discover();
  73
  74                         // Query GNU Social servers for their users ("statistics" addon has to be enabled on the GS server)
  75                         if (!Config::get('system', 'ostatus_disabled')) {
  76                                 GContact::discoverGsUsers();
  77                         }
  78                 }
  79
  80                 Logger::log('end '.$search);
  81
  82                 return;
  83         }
  84
  85         /**
  86          * @brief Updates the first 250 servers
  87          *
  88          */
  89         private static function updateServer() {
  90                 $r = q("SELECT `url`, `created`, `last_failure`, `last_contact` FROM `gserver` ORDER BY rand()");
  91
  92                 if (!DBA::isResult($r)) {
  93                         return;
  94                 }
  95
  96                 $updated = 0;
  97
  98                 foreach ($r AS $server) {
  99                         if (!PortableContact::updateNeeded($server["created"], "", $server["last_failure"], $server["last_contact"])) {
 100                                 continue;
 101                         }
 102                         Logger::log('Update server status for server '.$server["url"], Logger::DEBUG);
 103
 104                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $server["url"]);
 105
 106                         if (++$updated > 250) {
 107                                 return;
 108                         }
 109                 }
 110         }
 111 }