Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
use \Friendica\Core\Config;
require_once("boot.php");
require_once("include/socgraph.php");
function discover_poco_run(&$argv, &$argc){
global $a, $db;
if(is_null($a)) {
$a = new App;
}
if(is_null($db)) {
@include(".htconfig.php");
require_once("include/dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
};
require_once('include/session.php');
require_once('include/datetime.php');
Config::load();
// Don't check this stuff if the function is called by the poller
if (App::callstack() != "poller_run")
if ($a->maxload_reached())
return;
if(($argc > 2) && ($argv[1] == "dirsearch")) {
$search = urldecode($argv[2]);
$mode = 1;
} elseif(($argc == 2) && ($argv[1] == "checkcontact")) {
$mode = 2;
} elseif(($argc == 2) && ($argv[1] == "suggestions")) {
$mode = 3;
} elseif ($argc == 1) {
$search = "";
$mode = 0;
} else
die("Unknown or missing parameter ".$argv[1]."\n");
// Don't check this stuff if the function is called by the poller
if (App::callstack() != "poller_run")
if (App::is_already_running('discover_poco'.$mode.urlencode($search), 'include/discover_poco.php', 1140))
return;
$a->set_baseurl(get_config('system','url'));
load_hooks();
logger('start '.$search);
if ($mode==3)
update_suggestions();
elseif (($mode == 2) AND get_config('system','poco_completion'))
discover_users();
elseif (($mode == 1) AND ($search != "") and get_config('system','poco_local_search')) {
discover_directory($search);
gs_search_user($search);
} elseif (($mode == 0) AND ($search == "") and (get_config('system','poco_discovery') > 0)) {
// Query Friendica and Hubzilla servers for their users
poco_discover();
// Query GNU Social servers for their users ("statistics" addon has to be enabled on the GS server)
if (!get_config('system','ostatus_disabled'))
gs_discover();
}
logger('end '.$search);
return;
}
function discover_users() {
logger("Discover users", LOGGER_DEBUG);
$users = q("SELECT `url`, `created`, `updated`, `last_failure`, `last_contact`, `server_url` FROM `gcontact`
WHERE `last_contact` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
`last_failure` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
`network` IN ('%s', '%s', '%s', '%s', '') ORDER BY rand()",
dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA),
dbesc(NETWORK_OSTATUS), dbesc(NETWORK_FEED));
if (!$users)
return;
$checked = 0;
foreach ($users AS $user) {
$urlparts = parse_url($user["url"]);
if (!isset($urlparts["scheme"])) {
q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
dbesc(NETWORK_PHANTOM), dbesc(normalise_link($user["url"])));
continue;
}
if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
"identi.ca", "alpha.app.net"))) {
$networks = array("www.facebook.com" => NETWORK_FACEBOOK,
"facebook.com" => NETWORK_FACEBOOK,
"twitter.com" => NETWORK_TWITTER,
"identi.ca" => NETWORK_PUMPIO,
"alpha.app.net" => NETWORK_APPNET);
q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
dbesc($networks[$urlparts["host"]]), dbesc(normalise_link($user["url"])));
continue;
}
if ($user["server_url"] != "")
$server_url = $user["server_url"];
else
$server_url = poco_detect_server($user["url"]);
if (($server_url == "") OR poco_check_server($server_url, $gcontacts[0]["network"])) {
logger('Check user '.$user["url"]);
poco_last_updated($user["url"], true);
if (++$checked > 100)
return;
} else
q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
dbesc(datetime_convert()), dbesc(normalise_link($user["url"])));
}
}
function discover_directory($search) {
$data = Cache::get("dirsearch:".$search);
if (!is_null($data)){
// Only search for the same item every 24 hours
if (time() < $data + (60 * 60 * 24)) {
logger("Already searched for ".$search." in the last 24 hours", LOGGER_DEBUG);
return;
}
}
$x = fetch_url(get_server()."/lsearch?p=1&n=500&search=".urlencode($search));
$j = json_decode($x);
if(count($j->results))
foreach($j->results as $jj) {
// Check if the contact already exists
$exists = q("SELECT `id`, `last_contact`, `last_failure`, `updated` FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($jj->url));
if ($exists) {
logger("Profile ".$jj->url." already exists (".$search.")", LOGGER_DEBUG);
if (($exists[0]["last_contact"] < $exists[0]["last_failure"]) AND
($exists[0]["updated"] < $exists[0]["last_failure"]))
continue;
// Update the contact
poco_last_updated($jj->url);
continue;
}
// Harcoded paths aren't so good. But in this case it is okay.
// First: We only will get Friendica contacts (which always are using this url schema)
// Second: There will be no further problems if we are doing a mistake
$server_url = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $jj->url);
if ($server_url != $jj->url)
if (!poco_check_server($server_url)) {
logger("Friendica server ".$server_url." doesn't answer.", LOGGER_DEBUG);
continue;
}
logger("Friendica server ".$server_url." seems to be okay.", LOGGER_DEBUG);
logger("Check if profile ".$jj->url." is reachable (".$search.")", LOGGER_DEBUG);
$data = probe_url($jj->url);
if ($data["network"] == NETWORK_DFRN) {
logger("Add profile ".$jj->url." to local directory (".$search.")", LOGGER_DEBUG);
poco_check($data["url"], $data["name"], $data["network"], $data["photo"], "", "", "", $jj->tags, $data["addr"], "", 0);
}
}
Cache::set("dirsearch:".$search, time(), CACHE_DAY);
}
/**
* @brief Search for GNU Social user with gstools.org
*
* @param str $search User name
*/
function gs_search_user($search) {
$a = get_app();
$url = "http://gstools.org/api/users_search/".urlencode($search);
$result = z_fetch_url($url);
if (!$result["success"])
return false;
$contacts = json_decode($result["body"]);
if ($contacts->status == 'ERROR')
return false;
foreach($contacts->data AS $user) {
$contact = probe_url($user->site_address."/".$user->name);
if ($contact["network"] != NETWORK_PHANTOM) {
$contact["about"] = $user->description;
update_gcontact($contact);
}
}
}
if (array_search(__file__,get_included_files())===0){
discover_poco_run($_SERVER["argv"],$_SERVER["argc"]);
killme();
}