include/discover_poco.php

   1 <?php
   2
   3 require_once("boot.php");
   4 require_once("include/socgraph.php");
   5
   6
   7 function discover_poco_run(&$argv, &$argc){
   8         global $a, $db;
   9
  10         if(is_null($a)) {
  11                 $a = new App;
  12         }
  13
  14         if(is_null($db)) {
  15             @include(".htconfig.php");
  16         require_once("include/dba.php");
  17             $db = new dba($db_host, $db_user, $db_pass, $db_data);
  18         unset($db_host, $db_user, $db_pass, $db_data);
  19         };
  20
  21         require_once('include/session.php');
  22         require_once('include/datetime.php');
  23         require_once('include/pidfile.php');
  24
  25         load_config('config');
  26         load_config('system');
  27
  28         $maxsysload = intval(get_config('system','maxloadavg'));
  29         if($maxsysload < 1)
  30                 $maxsysload = 50;
  31         if(function_exists('sys_getloadavg')) {
  32                 $load = sys_getloadavg();
  33                 if(intval($load[0]) > $maxsysload) {
  34                         logger('system: load ' . $load[0] . ' too high. discover_poco deferred to next scheduled run.');
  35                         return;
  36                 }
  37         }
  38
  39         if(($argc > 2) && ($argv[1] == "dirsearch")) {
  40                 $search = urldecode($argv[2]);
  41                 $searchmode = 1;
  42         } elseif ($argc == 1) {
  43                 $search = "";
  44                 $searchmode = 0;
  45         } else
  46                 die("Unknown or missing parameter ".$argv[1]."\n");
  47
  48         $lockpath = get_lockpath();
  49         if ($lockpath != '') {
  50                 $pidfile = new pidfile($lockpath, 'discover_poco'.urlencode($search));
  51                 if($pidfile->is_already_running()) {
  52                         logger("discover_poco: Already running");
  53                         if ($pidfile->running_time() > 19*60) {
  54                                 $pidfile->kill();
  55                                 logger("discover_poco: killed stale process");
  56                                 // Calling a new instance
  57                                 proc_run('php','include/discover_poco.php');
  58                         }
  59                         exit;
  60                 }
  61         }
  62
  63         $a->set_baseurl(get_config('system','url'));
  64
  65         load_hooks();
  66
  67         logger('start '.$search);
  68
  69         if (($search != "") and get_config('system','poco_local_search'))
  70                 discover_directory($search);
  71         elseif (($search == "") and get_config('system','poco_discovery') > 0)
  72                 poco_discover();
  73
  74         logger('end '.$search);
  75
  76         return;
  77 }
  78
  79 function discover_directory($search) {
  80
  81         $data = Cache::get("dirsearch:".$search);
  82         if (!is_null($data)){
  83                 // Only search for the same item every 24 hours
  84                 if (time() < $data + (60 * 60 * 24)) {
  85                         logger("Already searched for ".$search." in the last 24 hours", LOGGER_DEBUG);
  86                         return;
  87                 }
  88         }
  89
  90         $x = fetch_url("http://dir.friendica.com/lsearch?p=1&n=500&search=".urlencode($search));
  91         $j = json_decode($x);
  92
  93         if(count($j->results))
  94                 foreach($j->results as $jj) {
  95                         // Check if the contact already exists
  96                         $exists = q("SELECT `id`, `last_contact`, `last_failure`  FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($jj->url));
  97                         if ($exists) {
  98                                 logger("Profile ".$jj->url." already exists (".$search.")", LOGGER_DEBUG);
  99
 100                                 if ($exists[0]["last_contact"] < $exists[0]["last_failure"])
 101                                         continue;
 102
 103                                 // Update the contact
 104                                 poco_last_updated($jj->url);
 105                                 continue;
 106                         }
 107
 108                         // Harcoded paths aren't so good. But in this case it is okay.
 109                         // First: We only will get Friendica contacts (which always are using this url schema)
 110                         // Second: There will be no further problems if we are doing a mistake
 111                         $server_url = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $jj->url);
 112                         if ($server_url != $jj->url)
 113                                 if (!poco_check_server($server_url)) {
 114                                         logger("Friendica server ".$server_url." doesn't answer.", LOGGER_DEBUG);
 115                                         continue;
 116                                 }
 117                                         logger("Friendica server ".$server_url." seems to be okay.", LOGGER_DEBUG);
 118
 119                         logger("Check if profile ".$jj->url." is reachable (".$search.")", LOGGER_DEBUG);
 120                         $data = probe_url($jj->url);
 121                         if ($data["network"] == NETWORK_DFRN) {
 122                                 logger("Add profile ".$jj->url." to local directory (".$search.")", LOGGER_DEBUG);
 123                                 poco_check($data["url"], $data["name"], $data["network"], $data["photo"], "", "", "", $jj->tags, $data["addr"], "", 0);
 124                         }
 125                 }
 126         Cache::set("dirsearch:".$search, time());
 127 }
 128
 129 if (array_search(__file__,get_included_files())===0){
 130   discover_poco_run($_SERVER["argv"],$_SERVER["argc"]);
 131   killme();
 132 }