friendica_2021-01/include/discover_poco.php

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<?php
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');
require_once('include/pidfile.php');
load_config('config');
load_config('system');
$maxsysload = intval(get_config('system','maxloadavg'));
if($maxsysload < 1)
$maxsysload = 50;
$load = current_load();
if($load) {
if(intval($load) > $maxsysload) {
logger('system: load ' . $load . ' too high. discover_poco deferred to next scheduled run.');
return;
}
}
if(($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");
$lockpath = get_lockpath();
if ($lockpath != '') {
$pidfile = new pidfile($lockpath, 'discover_poco'.$mode.urlencode($search));
if($pidfile->is_already_running()) {
logger("discover_poco: Already running");
if ($pidfile->running_time() > 19*60) {
$pidfile->kill();
logger("discover_poco: killed stale process");
// Calling a new instance
if ($mode == 0)
proc_run('php','include/discover_poco.php');
}
exit;
}
}
$a->set_baseurl(get_config('system','url'));
load_hooks();
logger('start '.$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($search);
elseif (($mode == 0) AND ($search == "") and (get_config('system','poco_discovery') > 0))
poco_discover();
logger('end '.$search);
return;
}
function discover_users() {
logger("Discover users", LOGGER_DEBUG);
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$users = q("SELECT `url`, `created`, `updated`, `last_failure`, `last_contact`, `server_url` FROM `gcontact`
WHERE `last_contact` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
`last_failure` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
`network` IN ('%s', '%s', '%s', '%s', '') ORDER BY rand()",
dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA),
dbesc(NETWORK_OSTATUS), dbesc(NETWORK_FEED));
if (!$users)
return;
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$checked = 0;
foreach ($users AS $user) {
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$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"];
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else
$server_url = poco_detect_server($user["url"]);
if (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"] < $exists[0]["last_failure"]))
continue;
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// Update the contact
poco_last_updated($jj->url);
continue;
}
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// 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);
}
if (array_search(__file__,get_included_files())===0){
discover_poco_run($_SERVER["argv"],$_SERVER["argc"]);
killme();
}