X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdiscover_poco.php;h=0b468faea189e522505ed5c686facd22be905406;hb=18cbe9f6ff275cbb363fd9a0a5014bc8fe3d9f7b;hp=5a493ab967e8a97ab73bad5ddcf9d85dc4929252;hpb=a0734ceede4f7d9da5f5e4d15e8fc7d9664edd5f;p=friendica.git

diff --git a/include/discover_poco.php b/include/discover_poco.php
index 5a493ab967..0b468faea1 100644
--- a/include/discover_poco.php
+++ b/include/discover_poco.php
@@ -13,58 +13,202 @@ function discover_poco_run(&$argv, &$argc){
 
 	if(is_null($db)) {
 	    @include(".htconfig.php");
-    	require_once("include/dba.php");
+	require_once("include/dba.php");
 	    $db = new dba($db_host, $db_user, $db_pass, $db_data);
-    	unset($db_host, $db_user, $db_pass, $db_data);
-  	};
+	unset($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;
-	if(function_exists('sys_getloadavg')) {
-		$load = sys_getloadavg();
-		if(intval($load[0]) > $maxsysload) {
-			logger('system: load ' . $load[0] . ' too high. discover_poco deferred to next scheduled run.');
+	// Don't check this stuff if the function is called by the poller
+	if (App::callstack() != "poller_run")
+		if (App::maxload_reached())
 			return;
+
+	if(($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) {
 
-	$lockpath = get_lockpath();
-	if ($lockpath != '') {
-		$pidfile = new pidfile($lockpath, 'discover_poco');
-		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
-				proc_run('php','include/discover_poco.php');
-                        }
-			exit;
+	$data = Cache::get("dirsearch:".$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;
 		}
 	}
 
-	$a->set_baseurl(get_config('system','url'));
+	$x = fetch_url(get_server()."/lsearch?p=1&n=500&search=".urlencode($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);
+}
 
-	load_hooks();
+/**
+ * @brief Search for GNU Social user with gstools.org
+ *
+ * @param str $search User name
+ */
+function gs_search_user($search) {
 
-	logger('start');
+	$a = get_app();
 
-	if (get_config('system','poco_discovery'))
-		poco_discover();
+	$url = "http://gstools.org/api/users_search/".urlencode($search);
 
-	logger('end');
+	$result = z_fetch_url($url);
+	if (!$result["success"])
+		return false;
 
-	return;
+	$contacts = json_decode($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();