2341 lines
		
	
	
	
		
			69 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2341 lines
		
	
	
	
		
			69 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /**
 | |
|  * @file include/socgraph.php
 | |
|  *
 | |
|  * @todo Move GNU Social URL schemata (http://server.tld/user/number) to http://server.tld/username
 | |
|  * @todo Fetch profile data from profile page for Redmatrix users
 | |
|  * @todo Detect if it is a forum
 | |
|  */
 | |
| 
 | |
| use Friendica\App;
 | |
| use Friendica\Core\Config;
 | |
| use Friendica\Network\Probe;
 | |
| 
 | |
| require_once 'include/datetime.php';
 | |
| require_once 'include/probe.php';
 | |
| require_once 'include/network.php';
 | |
| require_once 'include/html2bbcode.php';
 | |
| require_once 'include/Contact.php';
 | |
| require_once 'include/Photo.php';
 | |
| 
 | |
| /**
 | |
|  * @brief Fetch POCO data
 | |
|  *
 | |
|  * @param integer $cid Contact ID
 | |
|  * @param integer $uid User ID
 | |
|  * @param integer $zcid Global Contact ID
 | |
|  * @param integer $url POCO address that should be polled
 | |
|  *
 | |
|  * Given a contact-id (minimum), load the PortableContacts friend list for that contact,
 | |
|  * and add the entries to the gcontact (Global Contact) table, or update existing entries
 | |
|  * if anything (name or photo) has changed.
 | |
|  * We use normalised urls for comparison which ignore http vs https and www.domain vs domain
 | |
|  *
 | |
|  * Once the global contact is stored add (if necessary) the contact linkage which associates
 | |
|  * the given uid, cid to the global contact entry. There can be many uid/cid combinations
 | |
|  * pointing to the same global contact id.
 | |
|  *
 | |
|  */
 | |
| function poco_load($cid, $uid = 0, $zcid = 0, $url = null) {
 | |
| 	// Call the function "poco_load_worker" via the worker
 | |
| 	proc_run(PRIORITY_LOW, "include/discover_poco.php", "poco_load", intval($cid), intval($uid), intval($zcid), base64_encode($url));
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Fetch POCO data from the worker
 | |
|  *
 | |
|  * @param integer $cid Contact ID
 | |
|  * @param integer $uid User ID
 | |
|  * @param integer $zcid Global Contact ID
 | |
|  * @param integer $url POCO address that should be polled
 | |
|  *
 | |
|  */
 | |
| function poco_load_worker($cid, $uid, $zcid, $url) {
 | |
| 	$a = get_app();
 | |
| 
 | |
| 	if($cid) {
 | |
| 		if((! $url) || (! $uid)) {
 | |
| 			$r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
 | |
| 				intval($cid)
 | |
| 			);
 | |
| 			if (dbm::is_result($r)) {
 | |
| 				$url = $r[0]['poco'];
 | |
| 				$uid = $r[0]['uid'];
 | |
| 			}
 | |
| 		}
 | |
| 		if(! $uid)
 | |
| 			return;
 | |
| 	}
 | |
| 
 | |
| 	if(! $url)
 | |
| 		return;
 | |
| 
 | |
| 	$url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation' : '?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation') ;
 | |
| 
 | |
| 	logger('poco_load: ' . $url, LOGGER_DEBUG);
 | |
| 
 | |
| 	$s = fetch_url($url);
 | |
| 
 | |
| 	logger('poco_load: returns ' . $s, LOGGER_DATA);
 | |
| 
 | |
| 	logger('poco_load: return code: ' . $a->get_curl_code(), LOGGER_DEBUG);
 | |
| 
 | |
| 	if(($a->get_curl_code() > 299) || (! $s))
 | |
| 		return;
 | |
| 
 | |
| 	$j = json_decode($s);
 | |
| 
 | |
| 	logger('poco_load: json: ' . print_r($j,true),LOGGER_DATA);
 | |
| 
 | |
| 	if(! isset($j->entry))
 | |
| 		return;
 | |
| 
 | |
| 	$total = 0;
 | |
| 	foreach($j->entry as $entry) {
 | |
| 
 | |
| 		$total ++;
 | |
| 		$profile_url = '';
 | |
| 		$profile_photo = '';
 | |
| 		$connect_url = '';
 | |
| 		$name = '';
 | |
| 		$network = '';
 | |
| 		$updated = NULL_DATE;
 | |
| 		$location = '';
 | |
| 		$about = '';
 | |
| 		$keywords = '';
 | |
| 		$gender = '';
 | |
| 		$contact_type = -1;
 | |
| 		$generation = 0;
 | |
| 
 | |
| 		$name = $entry->displayName;
 | |
| 
 | |
| 		if (isset($entry->urls)) {
 | |
| 			foreach ($entry->urls as $url) {
 | |
| 				if ($url->type == 'profile') {
 | |
| 					$profile_url = $url->value;
 | |
| 					continue;
 | |
| 				}
 | |
| 				if ($url->type == 'webfinger') {
 | |
| 					$connect_url = str_replace('acct:' , '', $url->value);
 | |
| 					continue;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		if (isset($entry->photos)) {
 | |
| 			foreach ($entry->photos as $photo) {
 | |
| 				if ($photo->type == 'profile') {
 | |
| 					$profile_photo = $photo->value;
 | |
| 					continue;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->updated)) {
 | |
| 			$updated = date("Y-m-d H:i:s", strtotime($entry->updated));
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->network)) {
 | |
| 			$network = $entry->network;
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->currentLocation)) {
 | |
| 			$location = $entry->currentLocation;
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->aboutMe)) {
 | |
| 			$about = html2bbcode($entry->aboutMe);
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->gender)) {
 | |
| 			$gender = $entry->gender;
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->generation) AND ($entry->generation > 0)) {
 | |
| 			$generation = ++$entry->generation;
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->tags)) {
 | |
| 			foreach($entry->tags as $tag) {
 | |
| 				$keywords = implode(", ", $tag);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->contactType) AND ($entry->contactType >= 0))
 | |
| 			$contact_type = $entry->contactType;
 | |
| 
 | |
| 		$gcontact = array("url" => $profile_url,
 | |
| 				"name" => $name,
 | |
| 				"network" => $network,
 | |
| 				"photo" => $profile_photo,
 | |
| 				"about" => $about,
 | |
| 				"location" => $location,
 | |
| 				"gender" => $gender,
 | |
| 				"keywords" => $keywords,
 | |
| 				"connect" => $connect_url,
 | |
| 				"updated" => $updated,
 | |
| 				"contact-type" => $contact_type,
 | |
| 				"generation" => $generation);
 | |
| 
 | |
| 		try {
 | |
| 			$gcontact = sanitize_gcontact($gcontact);
 | |
| 			$gcid = update_gcontact($gcontact);
 | |
| 
 | |
| 			link_gcontact($gcid, $uid, $cid, $zcid);
 | |
| 		} catch (Exception $e) {
 | |
| 			logger($e->getMessage(), LOGGER_DEBUG);
 | |
| 		}
 | |
| 	}
 | |
| 	logger("poco_load: loaded $total entries",LOGGER_DEBUG);
 | |
| 
 | |
| 	q("DELETE FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `zcid` = %d AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY",
 | |
| 		intval($cid),
 | |
| 		intval($uid),
 | |
| 		intval($zcid)
 | |
| 	);
 | |
| 
 | |
| }
 | |
| /**
 | |
|  * @brief Sanitize the given gcontact data
 | |
|  *
 | |
|  * @param array $gcontact array with gcontact data
 | |
|  * @throw Exception
 | |
|  *
 | |
|  * Generation:
 | |
|  *  0: No definition
 | |
|  *  1: Profiles on this server
 | |
|  *  2: Contacts of profiles on this server
 | |
|  *  3: Contacts of contacts of profiles on this server
 | |
|  *  4: ...
 | |
|  *
 | |
|  */
 | |
| function sanitize_gcontact($gcontact) {
 | |
| 
 | |
| 	if ($gcontact['url'] == "") {
 | |
| 		throw new Exception('URL is empty');
 | |
| 	}
 | |
| 
 | |
| 	$urlparts = parse_url($gcontact['url']);
 | |
| 	if (!isset($urlparts["scheme"])) {
 | |
| 		throw new Exception("This (".$gcontact['url'].") doesn't seem to be an url.");
 | |
| 	}
 | |
| 
 | |
| 	if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
 | |
| 						"identi.ca", "alpha.app.net"))) {
 | |
| 		throw new Exception('Contact from a non federated network ignored. ('.$gcontact['url'].')');
 | |
| 	}
 | |
| 
 | |
| 	// Don't store the statusnet connector as network
 | |
| 	// We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well
 | |
| 	if ($gcontact['network'] == NETWORK_STATUSNET) {
 | |
| 		$gcontact['network'] = "";
 | |
| 	}
 | |
| 
 | |
| 	// Assure that there are no parameter fragments in the profile url
 | |
| 	if (in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
 | |
| 		$gcontact['url'] = clean_contact_url($gcontact['url']);
 | |
| 	}
 | |
| 
 | |
| 	$alternate = poco_alternate_ostatus_url($gcontact['url']);
 | |
| 
 | |
| 	// The global contacts should contain the original picture, not the cached one
 | |
| 	if (($gcontact['generation'] != 1) AND stristr(normalise_link($gcontact['photo']), normalise_link(App::get_baseurl()."/photo/"))) {
 | |
| 		$gcontact['photo'] = "";
 | |
| 	}
 | |
| 
 | |
| 	if (!isset($gcontact['network'])) {
 | |
| 		$r = q("SELECT `network` FROM `contact` WHERE `uid` = 0 AND `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1",
 | |
| 			dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET)
 | |
| 		);
 | |
| 		if (dbm::is_result($r)) {
 | |
| 			$gcontact['network'] = $r[0]["network"];
 | |
| 		}
 | |
| 
 | |
| 		if (($gcontact['network'] == "") OR ($gcontact['network'] == NETWORK_OSTATUS)) {
 | |
| 			$r = q("SELECT `network`, `url` FROM `contact` WHERE `uid` = 0 AND `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1",
 | |
| 				dbesc($gcontact['url']), dbesc(normalise_link($gcontact['url'])), dbesc(NETWORK_STATUSNET)
 | |
| 			);
 | |
| 			if (dbm::is_result($r)) {
 | |
| 				$gcontact['network'] = $r[0]["network"];
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	$gcontact['server_url'] = '';
 | |
| 	$gcontact['network'] = '';
 | |
| 
 | |
| 	$x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 | |
| 		dbesc(normalise_link($gcontact['url']))
 | |
| 	);
 | |
| 
 | |
| 	if (count($x)) {
 | |
| 		if (!isset($gcontact['network']) AND ($x[0]["network"] != NETWORK_STATUSNET)) {
 | |
| 			$gcontact['network'] = $x[0]["network"];
 | |
| 		}
 | |
| 		if ($gcontact['updated'] <= NULL_DATE) {
 | |
| 			$gcontact['updated'] = $x[0]["updated"];
 | |
| 		}
 | |
| 		if (!isset($gcontact['server_url']) AND (normalise_link($x[0]["server_url"]) != normalise_link($x[0]["url"]))) {
 | |
| 			$gcontact['server_url'] = $x[0]["server_url"];
 | |
| 		}
 | |
| 		if (!isset($gcontact['addr'])) {
 | |
| 			$gcontact['addr'] = $x[0]["addr"];
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ((!isset($gcontact['network']) OR !isset($gcontact['name']) OR !isset($gcontact['addr']) OR !isset($gcontact['photo']) OR !isset($gcontact['server_url']) OR $alternate)
 | |
| 		AND poco_reachable($gcontact['url'], $gcontact['server_url'], $gcontact['network'], false)) {
 | |
| 		$data = Probe::uri($gcontact['url']);
 | |
| 
 | |
| 		if ($data["network"] == NETWORK_PHANTOM) {
 | |
| 			throw new Exception('Probing for URL '.$gcontact['url'].' failed');
 | |
| 		}
 | |
| 
 | |
| 		$orig_profile = $gcontact['url'];
 | |
| 
 | |
| 		$gcontact["server_url"] = $data["baseurl"];
 | |
| 
 | |
| 		$gcontact = array_merge($gcontact, $data);
 | |
| 
 | |
| 		if ($alternate AND ($gcontact['network'] == NETWORK_OSTATUS)) {
 | |
| 			// Delete the old entry - if it exists
 | |
| 			$r = q("SELECT `id` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
 | |
| 			if ($r) {
 | |
| 				q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
 | |
| 				q("DELETE FROM `glink` WHERE `gcid` = %d", intval($r[0]["id"]));
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!isset($gcontact['name']) OR !isset($gcontact['photo'])) {
 | |
| 		throw new Exception('No name and photo for URL '.$gcontact['url']);
 | |
| 	}
 | |
| 
 | |
| 	if (!in_array($gcontact['network'], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA))) {
 | |
| 		throw new Exception('No federated network ('.$gcontact['network'].') detected for URL '.$gcontact['url']);
 | |
| 	}
 | |
| 
 | |
| 	if (!isset($gcontact['server_url'])) {
 | |
| 		// We check the server url to be sure that it is a real one
 | |
| 		$server_url = poco_detect_server($gcontact['url']);
 | |
| 
 | |
| 		// We are now sure that it is a correct URL. So we use it in the future
 | |
| 		if ($server_url != "") {
 | |
| 			$gcontact['server_url'] = $server_url;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// The server URL doesn't seem to be valid, so we don't store it.
 | |
| 	if (!poco_check_server($gcontact['server_url'], $gcontact['network'])) {
 | |
| 		$gcontact['server_url'] = "";
 | |
| 	}
 | |
| 
 | |
| 	return $gcontact;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Link the gcontact entry with user, contact and global contact
 | |
|  *
 | |
|  * @param integer $gcid Global contact ID
 | |
|  * @param integer $cid Contact ID
 | |
|  * @param integer $uid User ID
 | |
|  * @param integer $zcid Global Contact ID
 | |
|  * *
 | |
|  */
 | |
| function link_gcontact($gcid, $uid = 0, $cid = 0, $zcid = 0) {
 | |
| 
 | |
| 	if ($gcid <= 0) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	$r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
 | |
| 		intval($cid),
 | |
| 		intval($uid),
 | |
| 		intval($gcid),
 | |
| 		intval($zcid)
 | |
| 	);
 | |
| 	if (!dbm::is_result($r)) {
 | |
| 		q("INSERT INTO `glink` (`cid`, `uid`, `gcid`, `zcid`, `updated`) VALUES (%d, %d, %d, %d, '%s') ",
 | |
| 			intval($cid),
 | |
| 			intval($uid),
 | |
| 			intval($gcid),
 | |
| 			intval($zcid),
 | |
| 			dbesc(datetime_convert())
 | |
| 		);
 | |
| 	} else {
 | |
| 		q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
 | |
| 			dbesc(datetime_convert()),
 | |
| 			intval($cid),
 | |
| 			intval($uid),
 | |
| 			intval($gcid),
 | |
| 			intval($zcid)
 | |
| 		);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function poco_reachable($profile, $server = "", $network = "", $force = false) {
 | |
| 
 | |
| 	if ($server == "")
 | |
| 		$server = poco_detect_server($profile);
 | |
| 
 | |
| 	if ($server == "")
 | |
| 		return true;
 | |
| 
 | |
| 	return poco_check_server($server, $network, $force);
 | |
| }
 | |
| 
 | |
| function poco_detect_server($profile) {
 | |
| 
 | |
| 	// Try to detect the server path based upon some known standard paths
 | |
| 	$server_url = "";
 | |
| 
 | |
| 	if ($server_url == "") {
 | |
| 		$friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($friendica != $profile) {
 | |
| 			$server_url = $friendica;
 | |
| 			$network = NETWORK_DFRN;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($server_url == "") {
 | |
| 		$diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($diaspora != $profile) {
 | |
| 			$server_url = $diaspora;
 | |
| 			$network = NETWORK_DIASPORA;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($server_url == "") {
 | |
| 		$red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($red != $profile) {
 | |
| 			$server_url = $red;
 | |
| 			$network = NETWORK_DIASPORA;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Mastodon
 | |
| 	if ($server_url == "") {
 | |
| 		$mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($mastodon != $profile) {
 | |
| 			$server_url = $mastodon;
 | |
| 			$network = NETWORK_OSTATUS;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Numeric OStatus variant
 | |
| 	if ($server_url == "") {
 | |
| 		$ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($ostatus != $profile) {
 | |
| 			$server_url = $ostatus;
 | |
| 			$network = NETWORK_OSTATUS;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Wild guess
 | |
| 	if ($server_url == "") {
 | |
| 		$base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile);
 | |
| 		if ($base != $profile) {
 | |
| 			$server_url = $base;
 | |
| 			$network = NETWORK_PHANTOM;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($server_url == "") {
 | |
| 		return "";
 | |
| 	}
 | |
| 
 | |
| 	$r = q("SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`",
 | |
| 		dbesc(normalise_link($server_url)));
 | |
| 	if (dbm::is_result($r)) {
 | |
| 		return $server_url;
 | |
| 	}
 | |
| 
 | |
| 	// Fetch the host-meta to check if this really is a server
 | |
| 	$serverret = z_fetch_url($server_url."/.well-known/host-meta");
 | |
| 	if (!$serverret["success"]) {
 | |
| 		return "";
 | |
| 	}
 | |
| 
 | |
| 	return $server_url;
 | |
| }
 | |
| 
 | |
| function poco_alternate_ostatus_url($url) {
 | |
| 	return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
 | |
| }
 | |
| 
 | |
| function poco_last_updated($profile, $force = false) {
 | |
| 
 | |
| 	$gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
 | |
| 			dbesc(normalise_link($profile)));
 | |
| 
 | |
| 	if (!dbm::is_result($gcontacts)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$contact = array("url" => $profile);
 | |
| 
 | |
| 	if ($gcontacts[0]["created"] <= NULL_DATE) {
 | |
| 		$contact['created'] = datetime_convert();
 | |
| 	}
 | |
| 
 | |
| 	if ($force) {
 | |
| 		$server_url = normalise_link(poco_detect_server($profile));
 | |
| 	}
 | |
| 
 | |
| 	if (($server_url == '') AND ($gcontacts[0]["server_url"] != "")) {
 | |
| 		$server_url = $gcontacts[0]["server_url"];
 | |
| 	}
 | |
| 
 | |
| 	if (!$force AND (($server_url == '') OR ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"]))) {
 | |
| 		$server_url = normalise_link(poco_detect_server($profile));
 | |
| 	}
 | |
| 
 | |
| 	if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) {
 | |
| 		logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if ($server_url != "") {
 | |
| 		if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) {
 | |
| 			if ($force) {
 | |
| 				q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
 | |
| 					dbesc(datetime_convert()), dbesc(normalise_link($profile)));
 | |
| 			}
 | |
| 
 | |
| 			logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
 | |
| 			return false;
 | |
| 		}
 | |
| 		$contact['server_url'] = $server_url;
 | |
| 	}
 | |
| 
 | |
| 	if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) {
 | |
| 		$server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
 | |
| 			dbesc(normalise_link($server_url)));
 | |
| 
 | |
| 		if ($server) {
 | |
| 			$contact['network'] = $server[0]["network"];
 | |
| 		} else {
 | |
| 			return false;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// noscrape is really fast so we don't cache the call.
 | |
| 	if (($server_url != "") AND ($gcontacts[0]["nick"] != "")) {
 | |
| 
 | |
| 		//  Use noscrape if possible
 | |
| 		$server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($server_url)));
 | |
| 
 | |
| 		if ($server) {
 | |
| 			$noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
 | |
| 
 | |
| 			if ($noscraperet["success"] AND ($noscraperet["body"] != "")) {
 | |
| 
 | |
| 				$noscrape = json_decode($noscraperet["body"], true);
 | |
| 
 | |
| 				if (is_array($noscrape)) {
 | |
| 					$contact["network"] = $server[0]["network"];
 | |
| 
 | |
| 					if (isset($noscrape["fn"])) {
 | |
| 						$contact["name"] = $noscrape["fn"];
 | |
| 					}
 | |
| 					if (isset($noscrape["comm"])) {
 | |
| 						$contact["community"] = $noscrape["comm"];
 | |
| 					}
 | |
| 					if (isset($noscrape["tags"])) {
 | |
| 						$keywords = implode(" ", $noscrape["tags"]);
 | |
| 						if ($keywords != "") {
 | |
| 							$contact["keywords"] = $keywords;
 | |
| 						}
 | |
| 					}
 | |
| 
 | |
| 					$location = formatted_location($noscrape);
 | |
| 					if ($location) {
 | |
| 						$contact["location"] = $location;
 | |
| 					}
 | |
| 					if (isset($noscrape["dfrn-notify"])) {
 | |
| 						$contact["notify"] = $noscrape["dfrn-notify"];
 | |
| 					}
 | |
| 					// Remove all fields that are not present in the gcontact table
 | |
| 					unset($noscrape["fn"]);
 | |
| 					unset($noscrape["key"]);
 | |
| 					unset($noscrape["homepage"]);
 | |
| 					unset($noscrape["comm"]);
 | |
| 					unset($noscrape["tags"]);
 | |
| 					unset($noscrape["locality"]);
 | |
| 					unset($noscrape["region"]);
 | |
| 					unset($noscrape["country-name"]);
 | |
| 					unset($noscrape["contacts"]);
 | |
| 					unset($noscrape["dfrn-request"]);
 | |
| 					unset($noscrape["dfrn-confirm"]);
 | |
| 					unset($noscrape["dfrn-notify"]);
 | |
| 					unset($noscrape["dfrn-poll"]);
 | |
| 
 | |
| 					// Set the date of the last contact
 | |
| 					/// @todo By now the function "update_gcontact" doesn't work with this field
 | |
| 					//$contact["last_contact"] = datetime_convert();
 | |
| 
 | |
| 					$contact = array_merge($contact, $noscrape);
 | |
| 
 | |
| 					update_gcontact($contact);
 | |
| 
 | |
| 					if (trim($noscrape["updated"]) != "") {
 | |
| 						q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'",
 | |
| 							dbesc(datetime_convert()), dbesc(normalise_link($profile)));
 | |
| 
 | |
| 						logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
 | |
| 
 | |
| 						return $noscrape["updated"];
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// If we only can poll the feed, then we only do this once a while
 | |
| 	if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
 | |
| 		logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
 | |
| 
 | |
| 		update_gcontact($contact);
 | |
| 		return $gcontacts[0]["updated"];
 | |
| 	}
 | |
| 
 | |
| 	$data = Probe::uri($profile);
 | |
| 
 | |
| 	// Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
 | |
| 	// Then check the other link and delete this one
 | |
| 	if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND
 | |
| 		(normalise_link($profile) == normalise_link($data["alias"])) AND
 | |
| 		(normalise_link($profile) != normalise_link($data["url"]))) {
 | |
| 
 | |
| 		// Delete the old entry
 | |
| 		q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile)));
 | |
| 		q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"]));
 | |
| 
 | |
| 		$gcontact = array_merge($gcontacts[0], $data);
 | |
| 
 | |
| 		$gcontact["server_url"] = $data["baseurl"];
 | |
| 
 | |
| 		try {
 | |
| 			$gcontact = sanitize_gcontact($gcontact);
 | |
| 			update_gcontact($gcontact);
 | |
| 
 | |
| 			poco_last_updated($data["url"], $force);
 | |
| 		} catch (Exception $e) {
 | |
| 			logger($e->getMessage(), LOGGER_DEBUG);
 | |
| 		}
 | |
| 
 | |
| 		logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) {
 | |
| 		q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
 | |
| 			dbesc(datetime_convert()), dbesc(normalise_link($profile)));
 | |
| 
 | |
| 		logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$contact = array_merge($contact, $data);
 | |
| 
 | |
| 	$contact["server_url"] = $data["baseurl"];
 | |
| 
 | |
| 	update_gcontact($contact);
 | |
| 
 | |
| 	$feedret = z_fetch_url($data["poll"]);
 | |
| 
 | |
| 	if (!$feedret["success"]) {
 | |
| 		q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
 | |
| 			dbesc(datetime_convert()), dbesc(normalise_link($profile)));
 | |
| 
 | |
| 		logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$doc = new DOMDocument();
 | |
| 	@$doc->loadXML($feedret["body"]);
 | |
| 
 | |
| 	$xpath = new DomXPath($doc);
 | |
| 	$xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
 | |
| 
 | |
| 	$entries = $xpath->query('/atom:feed/atom:entry');
 | |
| 
 | |
| 	$last_updated = "";
 | |
| 
 | |
| 	foreach ($entries AS $entry) {
 | |
| 		$published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
 | |
| 		$updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
 | |
| 
 | |
| 		if ($last_updated < $published)
 | |
| 			$last_updated = $published;
 | |
| 
 | |
| 		if ($last_updated < $updated)
 | |
| 			$last_updated = $updated;
 | |
| 	}
 | |
| 
 | |
| 	// Maybe there aren't any entries. Then check if it is a valid feed
 | |
| 	if ($last_updated == "") {
 | |
| 		if ($xpath->query('/atom:feed')->length > 0) {
 | |
| 			$last_updated = NULL_DATE;
 | |
| 		}
 | |
| 	}
 | |
| 	q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'",
 | |
| 		dbesc(dbm::date($last_updated)), dbesc(dbm::date()), dbesc(normalise_link($profile)));
 | |
| 
 | |
| 	if (($gcontacts[0]["generation"] == 0)) {
 | |
| 		q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'",
 | |
| 			dbesc(normalise_link($profile)));
 | |
| 	}
 | |
| 
 | |
| 	logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
 | |
| 
 | |
| 	return($last_updated);
 | |
| }
 | |
| 
 | |
| function poco_do_update($created, $updated, $last_failure,  $last_contact) {
 | |
| 	$now = strtotime(datetime_convert());
 | |
| 
 | |
| 	if ($updated > $last_contact)
 | |
| 		$contact_time = strtotime($updated);
 | |
| 	else
 | |
| 		$contact_time = strtotime($last_contact);
 | |
| 
 | |
| 	$failure_time = strtotime($last_failure);
 | |
| 	$created_time = strtotime($created);
 | |
| 
 | |
| 	// If there is no "created" time then use the current time
 | |
| 	if ($created_time <= 0)
 | |
| 		$created_time = $now;
 | |
| 
 | |
| 	// If the last contact was less than 24 hours then don't update
 | |
| 	if (($now - $contact_time) < (60 * 60 * 24))
 | |
| 		return false;
 | |
| 
 | |
| 	// If the last failure was less than 24 hours then don't update
 | |
| 	if (($now - $failure_time) < (60 * 60 * 24))
 | |
| 		return false;
 | |
| 
 | |
| 	// If the last contact was less than a week ago and the last failure is older than a week then don't update
 | |
| 	//if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time))
 | |
| 	//	return false;
 | |
| 
 | |
| 	// If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
 | |
| 	if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7)))
 | |
| 		return false;
 | |
| 
 | |
| 	// If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
 | |
| 	if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30)))
 | |
| 		return false;
 | |
| 
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| function poco_to_boolean($val) {
 | |
| 	if (($val == "true") OR ($val == 1))
 | |
| 		return(true);
 | |
| 	if (($val == "false") OR ($val == 0))
 | |
| 		return(false);
 | |
| 
 | |
| 	return ($val);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Detect server type (Hubzilla or Friendica) via the poco data
 | |
|  *
 | |
|  * @param object $data POCO data
 | |
|  * @return array Server data
 | |
|  */
 | |
| function poco_detect_poco_data($data) {
 | |
| 	$server = false;
 | |
| 
 | |
| 	if (!isset($data->entry)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if (count($data->entry) == 0) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if (!isset($data->entry[0]->urls)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if (count($data->entry[0]->urls) == 0) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	foreach ($data->entry[0]->urls AS $url) {
 | |
| 		if ($url->type == 'zot') {
 | |
| 			$server = array();
 | |
| 			$server["platform"] = 'Hubzilla';
 | |
| 			$server["network"] = NETWORK_DIASPORA;
 | |
| 			return $server;
 | |
| 		}
 | |
| 	}
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Detect server type by using the nodeinfo data
 | |
|  *
 | |
|  * @param string $server_url address of the server
 | |
|  * @return array Server data
 | |
|  */
 | |
| function poco_fetch_nodeinfo($server_url) {
 | |
| 	$serverret = z_fetch_url($server_url."/.well-known/nodeinfo");
 | |
| 	if (!$serverret["success"]) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$nodeinfo = json_decode($serverret['body']);
 | |
| 
 | |
| 	if (!is_object($nodeinfo)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if (!is_array($nodeinfo->links)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$nodeinfo_url = '';
 | |
| 
 | |
| 	foreach ($nodeinfo->links AS $link) {
 | |
| 		if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
 | |
| 			$nodeinfo_url = $link->href;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($nodeinfo_url == '') {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$serverret = z_fetch_url($nodeinfo_url);
 | |
| 	if (!$serverret["success"]) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$nodeinfo = json_decode($serverret['body']);
 | |
| 
 | |
| 	if (!is_object($nodeinfo)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$server = array();
 | |
| 
 | |
| 	$server['register_policy'] = REGISTER_CLOSED;
 | |
| 
 | |
| 	if (is_bool($nodeinfo->openRegistrations) AND $nodeinfo->openRegistrations) {
 | |
| 		$server['register_policy'] = REGISTER_OPEN;
 | |
| 	}
 | |
| 
 | |
| 	if (is_object($nodeinfo->software)) {
 | |
| 		if (isset($nodeinfo->software->name)) {
 | |
| 			$server['platform'] = $nodeinfo->software->name;
 | |
| 		}
 | |
| 
 | |
| 		if (isset($nodeinfo->software->version)) {
 | |
| 			$server['version'] = $nodeinfo->software->version;
 | |
| 			// Version numbers on Nodeinfo are presented with additional info, e.g.:
 | |
| 			// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
 | |
| 			$server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (is_object($nodeinfo->metadata)) {
 | |
| 		if (isset($nodeinfo->metadata->nodeName)) {
 | |
| 			$server['site_name'] = $nodeinfo->metadata->nodeName;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	$diaspora = false;
 | |
| 	$friendica = false;
 | |
| 	$gnusocial = false;
 | |
| 
 | |
| 	if (is_array($nodeinfo->protocols->inbound)) {
 | |
| 		foreach ($nodeinfo->protocols->inbound AS $inbound) {
 | |
| 			if ($inbound == 'diaspora') {
 | |
| 				$diaspora = true;
 | |
| 			}
 | |
| 			if ($inbound == 'friendica') {
 | |
| 				$friendica = true;
 | |
| 			}
 | |
| 			if ($inbound == 'gnusocial') {
 | |
| 				$gnusocial = true;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($gnusocial) {
 | |
| 		$server['network'] = NETWORK_OSTATUS;
 | |
| 	}
 | |
| 	if ($diaspora) {
 | |
| 		$server['network'] = NETWORK_DIASPORA;
 | |
| 	}
 | |
| 	if ($friendica) {
 | |
| 		$server['network'] = NETWORK_DFRN;
 | |
| 	}
 | |
| 
 | |
| 	if (!$server) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	return $server;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Detect server type (Hubzilla or Friendica) via the front page body
 | |
|  *
 | |
|  * @param string $body Front page of the server
 | |
|  * @return array Server data
 | |
|  */
 | |
| function poco_detect_server_type($body) {
 | |
| 	$server = false;
 | |
| 
 | |
| 	$doc = new DOMDocument();
 | |
| 	@$doc->loadHTML($body);
 | |
| 	$xpath = new DomXPath($doc);
 | |
| 
 | |
| 	$list = $xpath->query("//meta[@name]");
 | |
| 
 | |
| 	foreach ($list as $node) {
 | |
| 		$attr = array();
 | |
| 		if ($node->attributes->length) {
 | |
| 			foreach ($node->attributes as $attribute) {
 | |
| 				$attr[$attribute->name] = $attribute->value;
 | |
| 			}
 | |
| 		}
 | |
| 		if ($attr['name'] == 'generator') {
 | |
| 			$version_part = explode(" ", $attr['content']);
 | |
| 			if (count($version_part) == 2) {
 | |
| 				if (in_array($version_part[0], array("Friendika", "Friendica"))) {
 | |
| 					$server = array();
 | |
| 					$server["platform"] = $version_part[0];
 | |
| 					$server["version"] = $version_part[1];
 | |
| 					$server["network"] = NETWORK_DFRN;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!$server) {
 | |
| 		$list = $xpath->query("//meta[@property]");
 | |
| 
 | |
| 		foreach ($list as $node) {
 | |
| 			$attr = array();
 | |
| 			if ($node->attributes->length) {
 | |
| 				foreach ($node->attributes as $attribute) {
 | |
| 					$attr[$attribute->name] = $attribute->value;
 | |
| 				}
 | |
| 			}
 | |
| 			if ($attr['property'] == 'generator') {
 | |
| 				if (in_array($attr['content'], array("hubzilla", "BlaBlaNet"))) {
 | |
| 					$server = array();
 | |
| 					$server["platform"] = $attr['content'];
 | |
| 					$server["version"] = "";
 | |
| 					$server["network"] = NETWORK_DIASPORA;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!$server) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$server["site_name"] = $xpath->evaluate($element."//head/title/text()", $context)->item(0)->nodeValue;
 | |
| 	return $server;
 | |
| }
 | |
| 
 | |
| function poco_check_server($server_url, $network = "", $force = false) {
 | |
| 
 | |
| 	// Unify the server address
 | |
| 	$server_url = trim($server_url, "/");
 | |
| 	$server_url = str_replace("/index.php", "", $server_url);
 | |
| 
 | |
| 	if ($server_url == "")
 | |
| 		return false;
 | |
| 
 | |
| 	$servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
 | |
| 	if (dbm::is_result($servers)) {
 | |
| 
 | |
| 		if ($servers[0]["created"] <= NULL_DATE) {
 | |
| 			q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'",
 | |
| 				dbesc(datetime_convert()), dbesc(normalise_link($server_url)));
 | |
| 		}
 | |
| 		$poco = $servers[0]["poco"];
 | |
| 		$noscrape = $servers[0]["noscrape"];
 | |
| 
 | |
| 		if ($network == "")
 | |
| 			$network = $servers[0]["network"];
 | |
| 
 | |
| 		$last_contact = $servers[0]["last_contact"];
 | |
| 		$last_failure = $servers[0]["last_failure"];
 | |
| 		$version = $servers[0]["version"];
 | |
| 		$platform = $servers[0]["platform"];
 | |
| 		$site_name = $servers[0]["site_name"];
 | |
| 		$info = $servers[0]["info"];
 | |
| 		$register_policy = $servers[0]["register_policy"];
 | |
| 
 | |
| 		if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) {
 | |
| 			logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
 | |
| 			return ($last_contact >= $last_failure);
 | |
| 		}
 | |
| 	} else {
 | |
| 		$poco = "";
 | |
| 		$noscrape = "";
 | |
| 		$version = "";
 | |
| 		$platform = "";
 | |
| 		$site_name = "";
 | |
| 		$info = "";
 | |
| 		$register_policy = -1;
 | |
| 
 | |
| 		$last_contact = NULL_DATE;
 | |
| 		$last_failure = NULL_DATE;
 | |
| 	}
 | |
| 	logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
 | |
| 
 | |
| 	$failure = false;
 | |
| 	$possible_failure = false;
 | |
| 	$orig_last_failure = $last_failure;
 | |
| 	$orig_last_contact = $last_contact;
 | |
| 
 | |
| 	// Check if the page is accessible via SSL.
 | |
| 	$orig_server_url = $server_url;
 | |
| 	$server_url = str_replace("http://", "https://", $server_url);
 | |
| 
 | |
| 	// We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
 | |
| 	$serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
 | |
| 
 | |
| 	// Quit if there is a timeout.
 | |
| 	// But we want to make sure to only quit if we are mostly sure that this server url fits.
 | |
| 	if (dbm::is_result($servers) AND ($orig_server_url == $server_url) AND
 | |
| 		($serverret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
 | |
| 		logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
 | |
| 		dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url));
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	// Maybe the page is unencrypted only?
 | |
| 	$xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
 | |
| 	if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
 | |
| 		$server_url = str_replace("https://", "http://", $server_url);
 | |
| 
 | |
| 		// We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
 | |
| 		$serverret = z_fetch_url($server_url."/.well-known/host-meta", false, $redirects, array('timeout' => 20));
 | |
| 
 | |
| 		// Quit if there is a timeout
 | |
| 		if ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 | |
| 			logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
 | |
| 			dba::p("UPDATE `gserver` SET `last_failure` = ? WHERE `nurl` = ?", datetime_convert(), normalise_link($server_url));
 | |
| 			return false;
 | |
| 		}
 | |
| 
 | |
| 		$xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
 | |
| 	}
 | |
| 
 | |
| 	if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
 | |
| 		// Workaround for bad configured servers (known nginx problem)
 | |
| 		if (!in_array($serverret["debug"]["http_code"], array("403", "404"))) {
 | |
| 			$failure = true;
 | |
| 		}
 | |
| 		$possible_failure = true;
 | |
| 	}
 | |
| 
 | |
| 	// If the server has no possible failure we reset the cached data
 | |
| 	if (!$possible_failure) {
 | |
| 		$version = "";
 | |
| 		$platform = "";
 | |
| 		$site_name = "";
 | |
| 		$info = "";
 | |
| 		$register_policy = -1;
 | |
| 	}
 | |
| 
 | |
| 	// Look for poco
 | |
| 	if (!$failure) {
 | |
| 		$serverret = z_fetch_url($server_url."/poco");
 | |
| 		if ($serverret["success"]) {
 | |
| 			$data = json_decode($serverret["body"]);
 | |
| 			if (isset($data->totalResults)) {
 | |
| 				$poco = $server_url."/poco";
 | |
| 				$server = poco_detect_poco_data($data);
 | |
| 				if ($server) {
 | |
| 					$platform = $server['platform'];
 | |
| 					$network = $server['network'];
 | |
| 					$version = '';
 | |
| 					$site_name = '';
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!$failure) {
 | |
| 		// Test for Diaspora, Hubzilla, Mastodon or older Friendica servers
 | |
| 		$serverret = z_fetch_url($server_url);
 | |
| 
 | |
| 		if (!$serverret["success"] OR ($serverret["body"] == "")) {
 | |
| 			$failure = true;
 | |
| 		} else {
 | |
| 			$server = poco_detect_server_type($serverret["body"]);
 | |
| 			if ($server) {
 | |
| 				$platform = $server['platform'];
 | |
| 				$network = $server['network'];
 | |
| 				$version = $server['version'];
 | |
| 				$site_name = $server['site_name'];
 | |
| 			}
 | |
| 
 | |
| 			$lines = explode("\n",$serverret["header"]);
 | |
| 			if(count($lines)) {
 | |
| 				foreach($lines as $line) {
 | |
| 					$line = trim($line);
 | |
| 					if(stristr($line,'X-Diaspora-Version:')) {
 | |
| 						$platform = "Diaspora";
 | |
| 						$version = trim(str_replace("X-Diaspora-Version:", "", $line));
 | |
| 						$version = trim(str_replace("x-diaspora-version:", "", $version));
 | |
| 						$network = NETWORK_DIASPORA;
 | |
| 						$versionparts = explode("-", $version);
 | |
| 						$version = $versionparts[0];
 | |
| 					}
 | |
| 
 | |
| 					if(stristr($line,'Server: Mastodon')) {
 | |
| 						$platform = "Mastodon";
 | |
| 						$network = NETWORK_OSTATUS;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!$failure AND ($poco == "")) {
 | |
| 		// Test for Statusnet
 | |
| 		// Will also return data for Friendica and GNU Social - but it will be overwritten later
 | |
| 		// The "not implemented" is a special treatment for really, really old Friendica versions
 | |
| 		$serverret = z_fetch_url($server_url."/api/statusnet/version.json");
 | |
| 		if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
 | |
| 			($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
 | |
| 			$platform = "StatusNet";
 | |
| 			// Remove junk that some GNU Social servers return
 | |
| 			$version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
 | |
| 			$version = trim($version, '"');
 | |
| 			$network = NETWORK_OSTATUS;
 | |
| 		}
 | |
| 
 | |
| 		// Test for GNU Social
 | |
| 		$serverret = z_fetch_url($server_url."/api/gnusocial/version.json");
 | |
| 		if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
 | |
| 			($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
 | |
| 			$platform = "GNU Social";
 | |
| 			// Remove junk that some GNU Social servers return
 | |
| 			$version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
 | |
| 			$version = trim($version, '"');
 | |
| 			$network = NETWORK_OSTATUS;
 | |
| 		}
 | |
| 
 | |
| 		// Test for Mastodon
 | |
| 		$serverret = z_fetch_url($server_url."/api/v1/instance");
 | |
| 		if ($serverret["success"] AND ($serverret["body"] != '')) {
 | |
| 			$data = json_decode($serverret["body"]);
 | |
| 			if (isset($data->version)) {
 | |
| 				$platform = "Mastodon";
 | |
| 				$version = $data->version;
 | |
| 				$site_name = $data->title;
 | |
| 				$info = $data->description;
 | |
| 				$network = NETWORK_OSTATUS;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (!$failure) {
 | |
| 		// Test for Hubzilla, Redmatrix or Friendica
 | |
| 		$serverret = z_fetch_url($server_url."/api/statusnet/config.json");
 | |
| 		if ($serverret["success"]) {
 | |
| 			$data = json_decode($serverret["body"]);
 | |
| 			if (isset($data->site->server)) {
 | |
| 				if (isset($data->site->platform)) {
 | |
| 					$platform = $data->site->platform->PLATFORM_NAME;
 | |
| 					$version = $data->site->platform->STD_VERSION;
 | |
| 					$network = NETWORK_DIASPORA;
 | |
| 				}
 | |
| 				if (isset($data->site->BlaBlaNet)) {
 | |
| 					$platform = $data->site->BlaBlaNet->PLATFORM_NAME;
 | |
| 					$version = $data->site->BlaBlaNet->STD_VERSION;
 | |
| 					$network = NETWORK_DIASPORA;
 | |
| 				}
 | |
| 				if (isset($data->site->hubzilla)) {
 | |
| 					$platform = $data->site->hubzilla->PLATFORM_NAME;
 | |
| 					$version = $data->site->hubzilla->RED_VERSION;
 | |
| 					$network = NETWORK_DIASPORA;
 | |
| 				}
 | |
| 				if (isset($data->site->redmatrix)) {
 | |
| 					if (isset($data->site->redmatrix->PLATFORM_NAME))
 | |
| 						$platform = $data->site->redmatrix->PLATFORM_NAME;
 | |
| 					elseif (isset($data->site->redmatrix->RED_PLATFORM))
 | |
| 						$platform = $data->site->redmatrix->RED_PLATFORM;
 | |
| 
 | |
| 					$version = $data->site->redmatrix->RED_VERSION;
 | |
| 					$network = NETWORK_DIASPORA;
 | |
| 				}
 | |
| 				if (isset($data->site->friendica)) {
 | |
| 					$platform = $data->site->friendica->FRIENDICA_PLATFORM;
 | |
| 					$version = $data->site->friendica->FRIENDICA_VERSION;
 | |
| 					$network = NETWORK_DFRN;
 | |
| 				}
 | |
| 
 | |
| 				$site_name = $data->site->name;
 | |
| 
 | |
| 				$data->site->closed = poco_to_boolean($data->site->closed);
 | |
| 				$data->site->private = poco_to_boolean($data->site->private);
 | |
| 				$data->site->inviteonly = poco_to_boolean($data->site->inviteonly);
 | |
| 
 | |
| 				if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly)
 | |
| 					$register_policy = REGISTER_APPROVE;
 | |
| 				elseif (!$data->site->closed AND !$data->site->private)
 | |
| 					$register_policy = REGISTER_OPEN;
 | |
| 				else
 | |
| 					$register_policy = REGISTER_CLOSED;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
 | |
| 	if (!$failure) {
 | |
| 		$serverret = z_fetch_url($server_url."/statistics.json");
 | |
| 		if ($serverret["success"]) {
 | |
| 			$data = json_decode($serverret["body"]);
 | |
| 			if (isset($data->version)) {
 | |
| 				$version = $data->version;
 | |
| 				// Version numbers on statistics.json are presented with additional info, e.g.:
 | |
| 				// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
 | |
| 				$version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version);
 | |
| 			}
 | |
| 
 | |
| 			$site_name = $data->name;
 | |
| 
 | |
| 			if (isset($data->network)) {
 | |
| 				$platform = $data->network;
 | |
| 			}
 | |
| 
 | |
| 			if ($platform == "Diaspora") {
 | |
| 				$network = NETWORK_DIASPORA;
 | |
| 			}
 | |
| 
 | |
| 			if ($data->registrations_open) {
 | |
| 				$register_policy = REGISTER_OPEN;
 | |
| 			} else {
 | |
| 				$register_policy = REGISTER_CLOSED;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Query nodeinfo. Working for (at least) Diaspora and Friendica.
 | |
| 	if (!$failure) {
 | |
| 		$server = poco_fetch_nodeinfo($server_url);
 | |
| 		if ($server) {
 | |
| 			$register_policy = $server['register_policy'];
 | |
| 
 | |
| 			if (isset($server['platform'])) {
 | |
| 				$platform = $server['platform'];
 | |
| 			}
 | |
| 
 | |
| 			if (isset($server['network'])) {
 | |
| 				$network = $server['network'];
 | |
| 			}
 | |
| 
 | |
| 			if (isset($server['version'])) {
 | |
| 				$version = $server['version'];
 | |
| 			}
 | |
| 
 | |
| 			if (isset($server['site_name'])) {
 | |
| 				$site_name = $server['site_name'];
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Check for noscrape
 | |
| 	// Friendica servers could be detected as OStatus servers
 | |
| 	if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {
 | |
| 		$serverret = z_fetch_url($server_url."/friendica/json");
 | |
| 
 | |
| 		if (!$serverret["success"])
 | |
| 			$serverret = z_fetch_url($server_url."/friendika/json");
 | |
| 
 | |
| 		if ($serverret["success"]) {
 | |
| 			$data = json_decode($serverret["body"]);
 | |
| 
 | |
| 			if (isset($data->version)) {
 | |
| 				$network = NETWORK_DFRN;
 | |
| 
 | |
| 				$noscrape = $data->no_scrape_url;
 | |
| 				$version = $data->version;
 | |
| 				$site_name = $data->site_name;
 | |
| 				$info = $data->info;
 | |
| 				$register_policy_str = $data->register_policy;
 | |
| 				$platform = $data->platform;
 | |
| 
 | |
| 				switch ($register_policy_str) {
 | |
| 					case "REGISTER_CLOSED":
 | |
| 						$register_policy = REGISTER_CLOSED;
 | |
| 						break;
 | |
| 					case "REGISTER_APPROVE":
 | |
| 						$register_policy = REGISTER_APPROVE;
 | |
| 						break;
 | |
| 					case "REGISTER_OPEN":
 | |
| 						$register_policy = REGISTER_OPEN;
 | |
| 						break;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($possible_failure AND !$failure) {
 | |
| 		$failure = true;
 | |
| 	}
 | |
| 
 | |
| 	if ($failure) {
 | |
| 		$last_contact = $orig_last_contact;
 | |
| 		$last_failure = datetime_convert();
 | |
| 	} else {
 | |
| 		$last_contact = datetime_convert();
 | |
| 		$last_failure = $orig_last_failure;
 | |
| 	}
 | |
| 
 | |
| 	if (($last_contact <= $last_failure) AND !$failure) {
 | |
| 		logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
 | |
| 	} else if (($last_contact >= $last_failure) AND $failure) {
 | |
| 		logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
 | |
| 	}
 | |
| 
 | |
| 	// Check again if the server exists
 | |
| 	$servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
 | |
| 
 | |
| 	$version = strip_tags($version);
 | |
| 	$site_name = strip_tags($site_name);
 | |
| 	$info = strip_tags($info);
 | |
| 	$platform = strip_tags($platform);
 | |
| 
 | |
| 	if ($servers) {
 | |
| 		 q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s',
 | |
| 			`network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'",
 | |
| 			dbesc($server_url),
 | |
| 			dbesc($version),
 | |
| 			dbesc($site_name),
 | |
| 			dbesc($info),
 | |
| 			intval($register_policy),
 | |
| 			dbesc($poco),
 | |
| 			dbesc($noscrape),
 | |
| 			dbesc($network),
 | |
| 			dbesc($platform),
 | |
| 			dbesc($last_contact),
 | |
| 			dbesc($last_failure),
 | |
| 			dbesc(normalise_link($server_url))
 | |
| 		);
 | |
| 	} elseif (!$failure) {
 | |
| 		q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`)
 | |
| 					VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
 | |
| 				dbesc($server_url),
 | |
| 				dbesc(normalise_link($server_url)),
 | |
| 				dbesc($version),
 | |
| 				dbesc($site_name),
 | |
| 				dbesc($info),
 | |
| 				intval($register_policy),
 | |
| 				dbesc($poco),
 | |
| 				dbesc($noscrape),
 | |
| 				dbesc($network),
 | |
| 				dbesc($platform),
 | |
| 				dbesc(datetime_convert()),
 | |
| 				dbesc($last_contact),
 | |
| 				dbesc($last_failure),
 | |
| 				dbesc(datetime_convert())
 | |
| 		);
 | |
| 	}
 | |
| 	logger("End discovery for server ".$server_url, LOGGER_DEBUG);
 | |
| 
 | |
| 	return !$failure;
 | |
| }
 | |
| 
 | |
| function count_common_friends($uid,$cid) {
 | |
| 
 | |
| 	$r = q("SELECT count(*) as `total`
 | |
| 		FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 | |
| 		WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
 | |
| 		((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
 | |
| 		AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
 | |
| 		intval($cid),
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		intval($cid)
 | |
| 	);
 | |
| 
 | |
| //	logger("count_common_friends: $uid $cid {$r[0]['total']}");
 | |
| 	if (dbm::is_result($r))
 | |
| 		return $r[0]['total'];
 | |
| 	return 0;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| function common_friends($uid,$cid,$start = 0,$limit=9999,$shuffle = false) {
 | |
| 
 | |
| 	if($shuffle)
 | |
| 		$sql_extra = " order by rand() ";
 | |
| 	else
 | |
| 		$sql_extra = " order by `gcontact`.`name` asc ";
 | |
| 
 | |
| 	$r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
 | |
| 		FROM `glink`
 | |
| 		INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
 | |
| 		INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
 | |
| 		WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
 | |
| 			AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
 | |
| 			AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
 | |
| 			AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
 | |
| 			$sql_extra LIMIT %d, %d",
 | |
| 		intval($cid),
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		intval($cid),
 | |
| 		intval($start),
 | |
| 		intval($limit)
 | |
| 	);
 | |
| 
 | |
| 	return $r;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| function count_common_friends_zcid($uid,$zcid) {
 | |
| 
 | |
| 	$r = q("SELECT count(*) as `total`
 | |
| 		FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 | |
| 		where `glink`.`zcid` = %d
 | |
| 		and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
 | |
| 		intval($zcid),
 | |
| 		intval($uid)
 | |
| 	);
 | |
| 
 | |
| 	if (dbm::is_result($r))
 | |
| 		return $r[0]['total'];
 | |
| 	return 0;
 | |
| 
 | |
| }
 | |
| 
 | |
| function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
 | |
| 
 | |
| 	if($shuffle)
 | |
| 		$sql_extra = " order by rand() ";
 | |
| 	else
 | |
| 		$sql_extra = " order by `gcontact`.`name` asc ";
 | |
| 
 | |
| 	$r = q("SELECT `gcontact`.*
 | |
| 		FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 | |
| 		where `glink`.`zcid` = %d
 | |
| 		and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
 | |
| 		$sql_extra limit %d, %d",
 | |
| 		intval($zcid),
 | |
| 		intval($uid),
 | |
| 		intval($start),
 | |
| 		intval($limit)
 | |
| 	);
 | |
| 
 | |
| 	return $r;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| function count_all_friends($uid,$cid) {
 | |
| 
 | |
| 	$r = q("SELECT count(*) as `total`
 | |
| 		FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 | |
| 		where `glink`.`cid` = %d and `glink`.`uid` = %d AND
 | |
| 		((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
 | |
| 		intval($cid),
 | |
| 		intval($uid)
 | |
| 	);
 | |
| 
 | |
| 	if (dbm::is_result($r))
 | |
| 		return $r[0]['total'];
 | |
| 	return 0;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| function all_friends($uid,$cid,$start = 0, $limit = 80) {
 | |
| 
 | |
| 	$r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
 | |
| 		FROM `glink`
 | |
| 		INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
 | |
| 		LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
 | |
| 		WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
 | |
| 		((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
 | |
| 		ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
 | |
| 		intval($uid),
 | |
| 		intval($cid),
 | |
| 		intval($uid),
 | |
| 		intval($start),
 | |
| 		intval($limit)
 | |
| 	);
 | |
| 
 | |
| 	return $r;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| function suggestion_query($uid, $start = 0, $limit = 80) {
 | |
| 
 | |
| 	if (!$uid) {
 | |
| 		return array();
 | |
| 	}
 | |
| 
 | |
| // Uncommented because the result of the queries are to big to store it in the cache.
 | |
| // We need to decide if we want to change the db column type or if we want to delete it.
 | |
| //	$list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
 | |
| //	if (!is_null($list)) {
 | |
| //		return $list;
 | |
| //	}
 | |
| 
 | |
| 	$network = array(NETWORK_DFRN);
 | |
| 
 | |
| 	if (get_config('system','diaspora_enabled'))
 | |
| 		$network[] = NETWORK_DIASPORA;
 | |
| 
 | |
| 	if (!get_config('system','ostatus_disabled'))
 | |
| 		$network[] = NETWORK_OSTATUS;
 | |
| 
 | |
| 	$sql_network = implode("', '", $network);
 | |
| 	$sql_network = "'".$sql_network."'";
 | |
| 
 | |
| 	/// @todo This query is really slow
 | |
| 	// By now we cache the data for five minutes
 | |
| 	$r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
 | |
| 		INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
 | |
| 		where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
 | |
| 		AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
 | |
| 		AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
 | |
| 		AND `gcontact`.`updated` >= '%s'
 | |
| 		AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
 | |
| 		AND `gcontact`.`network` IN (%s)
 | |
| 		GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		dbesc(NULL_DATE),
 | |
| 		$sql_network,
 | |
| 		intval($start),
 | |
| 		intval($limit)
 | |
| 	);
 | |
| 
 | |
| 	if (dbm::is_result($r) && count($r) >= ($limit -1)) {
 | |
| // Uncommented because the result of the queries are to big to store it in the cache.
 | |
| // We need to decide if we want to change the db column type or if we want to delete it.
 | |
| //		Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES);
 | |
| 
 | |
| 		return $r;
 | |
| 	}
 | |
| 
 | |
| 	$r2 = q("SELECT gcontact.* FROM gcontact
 | |
| 		INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
 | |
| 		WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
 | |
| 		AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
 | |
| 		AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
 | |
| 		AND `gcontact`.`updated` >= '%s'
 | |
| 		AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
 | |
| 		AND `gcontact`.`network` IN (%s)
 | |
| 		ORDER BY rand() LIMIT %d, %d",
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		intval($uid),
 | |
| 		dbesc(NULL_DATE),
 | |
| 		$sql_network,
 | |
| 		intval($start),
 | |
| 		intval($limit)
 | |
| 	);
 | |
| 
 | |
| 	$list = array();
 | |
| 	foreach ($r2 AS $suggestion)
 | |
| 		$list[$suggestion["nurl"]] = $suggestion;
 | |
| 
 | |
| 	foreach ($r AS $suggestion)
 | |
| 		$list[$suggestion["nurl"]] = $suggestion;
 | |
| 
 | |
| 	while (sizeof($list) > ($limit))
 | |
| 		array_pop($list);
 | |
| 
 | |
| // Uncommented because the result of the queries are to big to store it in the cache.
 | |
| // We need to decide if we want to change the db column type or if we want to delete it.
 | |
| //	Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES);
 | |
| 	return $list;
 | |
| }
 | |
| 
 | |
| function update_suggestions() {
 | |
| 
 | |
| 	$a = get_app();
 | |
| 
 | |
| 	$done = array();
 | |
| 
 | |
| 	/// @TODO Check if it is really neccessary to poll the own server
 | |
| 	poco_load(0,0,0,App::get_baseurl() . '/poco');
 | |
| 
 | |
| 	$done[] = App::get_baseurl() . '/poco';
 | |
| 
 | |
| 	if (strlen(get_config('system','directory'))) {
 | |
| 		$x = fetch_url(get_server()."/pubsites");
 | |
| 		if ($x) {
 | |
| 			$j = json_decode($x);
 | |
| 			if ($j->entries) {
 | |
| 				foreach ($j->entries as $entry) {
 | |
| 
 | |
| 					poco_check_server($entry->url);
 | |
| 
 | |
| 					$url = $entry->url . '/poco';
 | |
| 					if (! in_array($url,$done)) {
 | |
| 						poco_load(0,0,0,$entry->url . '/poco');
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
 | |
| 	$r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
 | |
| 		dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA)
 | |
| 	);
 | |
| 
 | |
| 	if (dbm::is_result($r)) {
 | |
| 		foreach ($r as $rr) {
 | |
| 			$base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
 | |
| 			if(! in_array($base,$done))
 | |
| 				poco_load(0,0,0,$base);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Fetch server list from remote servers and adds them when they are new.
 | |
|  *
 | |
|  * @param string $poco URL to the POCO endpoint
 | |
|  */
 | |
| function poco_fetch_serverlist($poco) {
 | |
| 	$serverret = z_fetch_url($poco."/@server");
 | |
| 	if (!$serverret["success"]) {
 | |
| 		return;
 | |
| 	}
 | |
| 	$serverlist = json_decode($serverret['body']);
 | |
| 
 | |
| 	if (!is_array($serverlist)) {
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	foreach ($serverlist AS $server) {
 | |
| 		$server_url = str_replace("/index.php", "", $server->url);
 | |
| 
 | |
| 		$r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
 | |
| 		if (!dbm::is_result($r)) {
 | |
| 			logger("Call server check for server ".$server_url, LOGGER_DEBUG);
 | |
| 			proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($server_url));
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function poco_discover_federation() {
 | |
| 	$last = get_config('poco','last_federation_discovery');
 | |
| 
 | |
| 	if ($last) {
 | |
| 		$next = $last + (24 * 60 * 60);
 | |
| 		if($next > time())
 | |
| 			return;
 | |
| 	}
 | |
| 
 | |
| 	// Discover Friendica, Hubzilla and Diaspora servers
 | |
| 	$serverdata = fetch_url("http://the-federation.info/pods.json");
 | |
| 
 | |
| 	if ($serverdata) {
 | |
| 		$servers = json_decode($serverdata);
 | |
| 
 | |
| 		foreach ($servers->pods AS $server) {
 | |
| 			proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode("https://".$server->host));
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Disvover Mastodon servers
 | |
| 	if (!Config::get('system','ostatus_disabled')) {
 | |
| 		$serverdata = fetch_url("https://instances.mastodon.xyz/instances.json");
 | |
| 
 | |
| 		if ($serverdata) {
 | |
| 			$servers = json_decode($serverdata);
 | |
| 
 | |
| 			foreach ($servers AS $server) {
 | |
| 				$url = (is_null($server->https_score) ? 'http' : 'https').'://'.$server->name;
 | |
| 				proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($url));
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// Currently disabled, since the service isn't available anymore.
 | |
| 	// It is not removed since I hope that there will be a successor.
 | |
| 	// Discover GNU Social Servers.
 | |
| 	//if (!get_config('system','ostatus_disabled')) {
 | |
| 	//	$serverdata = "http://gstools.org/api/get_open_instances/";
 | |
| 
 | |
| 	//	$result = z_fetch_url($serverdata);
 | |
| 	//	if ($result["success"]) {
 | |
| 	//		$servers = json_decode($result["body"]);
 | |
| 
 | |
| 	//		foreach($servers->data AS $server)
 | |
| 	//			poco_check_server($server->instance_address);
 | |
| 	//	}
 | |
| 	//}
 | |
| 
 | |
| 	set_config('poco','last_federation_discovery', time());
 | |
| }
 | |
| 
 | |
| function poco_discover_single_server($id) {
 | |
| 	$r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id));
 | |
| 	if (!dbm::is_result($r)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	$server = $r[0];
 | |
| 
 | |
| 	// Discover new servers out there (Works from Friendica version 3.5.2)
 | |
| 	poco_fetch_serverlist($server["poco"]);
 | |
| 
 | |
| 	// Fetch all users from the other server
 | |
| 	$url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
 | |
| 
 | |
| 	logger("Fetch all users from the server ".$server["url"], LOGGER_DEBUG);
 | |
| 
 | |
| 	$retdata = z_fetch_url($url);
 | |
| 	if ($retdata["success"]) {
 | |
| 		$data = json_decode($retdata["body"]);
 | |
| 
 | |
| 		poco_discover_server($data, 2);
 | |
| 
 | |
| 		if (get_config('system','poco_discovery') > 1) {
 | |
| 
 | |
| 			$timeframe = get_config('system','poco_discovery_since');
 | |
| 			if ($timeframe == 0) {
 | |
| 				$timeframe = 30;
 | |
| 			}
 | |
| 
 | |
| 			$updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400);
 | |
| 
 | |
| 			// Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
 | |
| 			$url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
 | |
| 
 | |
| 			$success = false;
 | |
| 
 | |
| 			$retdata = z_fetch_url($url);
 | |
| 			if ($retdata["success"]) {
 | |
| 				logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
 | |
| 				$success = poco_discover_server(json_decode($retdata["body"]));
 | |
| 			}
 | |
| 
 | |
| 			if (!$success AND (get_config('system','poco_discovery') > 2)) {
 | |
| 				logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
 | |
| 				poco_discover_server_users($data, $server);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
 | |
| 
 | |
| 		return true;
 | |
| 	} else {
 | |
| 		// If the server hadn't replied correctly, then force a sanity check
 | |
| 		poco_check_server($server["url"], $server["network"], true);
 | |
| 
 | |
| 		// If we couldn't reach the server, we will try it some time later
 | |
| 		q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
 | |
| 
 | |
| 		return false;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function poco_discover($complete = false) {
 | |
| 
 | |
| 	// Update the server list
 | |
| 	poco_discover_federation();
 | |
| 
 | |
| 	$no_of_queries = 5;
 | |
| 
 | |
| 	$requery_days = intval(get_config("system", "poco_requery_days"));
 | |
| 
 | |
| 	if ($requery_days == 0) {
 | |
| 		$requery_days = 7;
 | |
| 	}
 | |
| 	$last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
 | |
| 
 | |
| 	$r = q("SELECT `id`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
 | |
| 	if (dbm::is_result($r)) {
 | |
| 		foreach ($r AS $server) {
 | |
| 
 | |
| 			if (!poco_check_server($server["url"], $server["network"])) {
 | |
| 				// The server is not reachable? Okay, then we will try it later
 | |
| 				q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
 | |
| 				continue;
 | |
| 			}
 | |
| 
 | |
| 			logger('Update directory from server '.$server['url'].' with ID '.$server['id'], LOGGER_DEBUG);
 | |
| 			proc_run(PRIORITY_LOW, "include/discover_poco.php", "update_server_directory", intval($server['id']));
 | |
| 
 | |
| 			if (!$complete AND (--$no_of_queries == 0)) {
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function poco_discover_server_users($data, $server) {
 | |
| 
 | |
| 	if (!isset($data->entry))
 | |
| 		return;
 | |
| 
 | |
| 	foreach ($data->entry AS $entry) {
 | |
| 		$username = "";
 | |
| 		if (isset($entry->urls)) {
 | |
| 			foreach($entry->urls as $url)
 | |
| 				if ($url->type == 'profile') {
 | |
| 					$profile_url = $url->value;
 | |
| 					$urlparts = parse_url($profile_url);
 | |
| 					$username = end(explode("/", $urlparts["path"]));
 | |
| 				}
 | |
| 		}
 | |
| 		if ($username != "") {
 | |
| 			logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
 | |
| 
 | |
| 			// Fetch all contacts from a given user from the other server
 | |
| 			$url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
 | |
| 
 | |
| 			$retdata = z_fetch_url($url);
 | |
| 			if ($retdata["success"])
 | |
| 				poco_discover_server(json_decode($retdata["body"]), 3);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function poco_discover_server($data, $default_generation = 0) {
 | |
| 
 | |
| 	if (!isset($data->entry) OR !count($data->entry))
 | |
| 		return false;
 | |
| 
 | |
| 	$success = false;
 | |
| 
 | |
| 	foreach ($data->entry AS $entry) {
 | |
| 		$profile_url = '';
 | |
| 		$profile_photo = '';
 | |
| 		$connect_url = '';
 | |
| 		$name = '';
 | |
| 		$network = '';
 | |
| 		$updated = NULL_DATE;
 | |
| 		$location = '';
 | |
| 		$about = '';
 | |
| 		$keywords = '';
 | |
| 		$gender = '';
 | |
| 		$contact_type = -1;
 | |
| 		$generation = $default_generation;
 | |
| 
 | |
| 		$name = $entry->displayName;
 | |
| 
 | |
| 		if (isset($entry->urls)) {
 | |
| 			foreach($entry->urls as $url) {
 | |
| 				if ($url->type == 'profile') {
 | |
| 					$profile_url = $url->value;
 | |
| 					continue;
 | |
| 				}
 | |
| 				if ($url->type == 'webfinger') {
 | |
| 					$connect_url = str_replace('acct:' , '', $url->value);
 | |
| 					continue;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->photos)) {
 | |
| 			foreach ($entry->photos as $photo) {
 | |
| 				if ($photo->type == 'profile') {
 | |
| 					$profile_photo = $photo->value;
 | |
| 					continue;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (isset($entry->updated)) {
 | |
| 			$updated = date("Y-m-d H:i:s", strtotime($entry->updated));
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->network)) {
 | |
| 			$network = $entry->network;
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->currentLocation)) {
 | |
| 			$location = $entry->currentLocation;
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->aboutMe)) {
 | |
| 			$about = html2bbcode($entry->aboutMe);
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->gender)) {
 | |
| 			$gender = $entry->gender;
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->generation) AND ($entry->generation > 0)) {
 | |
| 			$generation = ++$entry->generation;
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->contactType) AND ($entry->contactType >= 0)) {
 | |
| 			$contact_type = $entry->contactType;
 | |
| 		}
 | |
| 
 | |
| 		if(isset($entry->tags)) {
 | |
| 			foreach ($entry->tags as $tag) {
 | |
| 				$keywords = implode(", ", $tag);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if ($generation > 0) {
 | |
| 			$success = true;
 | |
| 
 | |
| 			logger("Store profile ".$profile_url, LOGGER_DEBUG);
 | |
| 
 | |
| 			$gcontact = array("url" => $profile_url,
 | |
| 					"name" => $name,
 | |
| 					"network" => $network,
 | |
| 					"photo" => $profile_photo,
 | |
| 					"about" => $about,
 | |
| 					"location" => $location,
 | |
| 					"gender" => $gender,
 | |
| 					"keywords" => $keywords,
 | |
| 					"connect" => $connect_url,
 | |
| 					"updated" => $updated,
 | |
| 					"contact-type" => $contact_type,
 | |
| 					"generation" => $generation);
 | |
| 
 | |
| 			try {
 | |
| 				$gcontact = sanitize_gcontact($gcontact);
 | |
| 				update_gcontact($gcontact);
 | |
| 			} catch (Exception $e) {
 | |
| 				logger($e->getMessage(), LOGGER_DEBUG);
 | |
| 			}
 | |
| 
 | |
| 			logger("Done for profile ".$profile_url, LOGGER_DEBUG);
 | |
| 		}
 | |
| 	}
 | |
| 	return $success;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Removes unwanted parts from a contact url
 | |
|  *
 | |
|  * @param string $url Contact url
 | |
|  * @return string Contact url with the wanted parts
 | |
|  */
 | |
| function clean_contact_url($url) {
 | |
| 	$parts = parse_url($url);
 | |
| 
 | |
| 	if (!isset($parts["scheme"]) OR !isset($parts["host"]))
 | |
| 		return $url;
 | |
| 
 | |
| 	$new_url = $parts["scheme"]."://".$parts["host"];
 | |
| 
 | |
| 	if (isset($parts["port"]))
 | |
| 		$new_url .= ":".$parts["port"];
 | |
| 
 | |
| 	if (isset($parts["path"]))
 | |
| 		$new_url .= $parts["path"];
 | |
| 
 | |
| 	if ($new_url != $url)
 | |
| 		logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG);
 | |
| 
 | |
| 	return $new_url;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Replace alternate OStatus user format with the primary one
 | |
|  *
 | |
|  * @param arr $contact contact array (called by reference)
 | |
|  */
 | |
| function fix_alternate_contact_address(&$contact) {
 | |
| 	if (($contact["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($contact["url"])) {
 | |
| 		$data = probe_url($contact["url"]);
 | |
| 		if ($contact["network"] == NETWORK_OSTATUS) {
 | |
| 			logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
 | |
| 			$contact["url"] = $data["url"];
 | |
| 			$contact["addr"] = $data["addr"];
 | |
| 			$contact["alias"] = $data["alias"];
 | |
| 			$contact["server_url"] = $data["baseurl"];
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Fetch the gcontact id, add an entry if not existed
 | |
|  *
 | |
|  * @param arr $contact contact array
 | |
|  * @return bool|int Returns false if not found, integer if contact was found
 | |
|  */
 | |
| function get_gcontact_id($contact) {
 | |
| 
 | |
| 	$gcontact_id = 0;
 | |
| 	$doprobing = false;
 | |
| 
 | |
| 	if (in_array($contact["network"], array(NETWORK_PHANTOM))) {
 | |
| 		logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	if ($contact["network"] == NETWORK_STATUSNET)
 | |
| 		$contact["network"] = NETWORK_OSTATUS;
 | |
| 
 | |
| 	// All new contacts are hidden by default
 | |
| 	if (!isset($contact["hide"]))
 | |
| 		$contact["hide"] = true;
 | |
| 
 | |
| 	// Replace alternate OStatus user format with the primary one
 | |
| 	fix_alternate_contact_address($contact);
 | |
| 
 | |
| 	// Remove unwanted parts from the contact url (e.g. "?zrl=...")
 | |
| 	if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
 | |
| 		$contact["url"] = clean_contact_url($contact["url"]);
 | |
| 
 | |
| 	dba::lock('gcontact');
 | |
| 	$r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 | |
| 		dbesc(normalise_link($contact["url"])));
 | |
| 
 | |
| 	if (dbm::is_result($r)) {
 | |
| 		$gcontact_id = $r[0]["id"];
 | |
| 
 | |
| 		// Update every 90 days
 | |
| 		if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
 | |
| 			$last_failure_str = $r[0]["last_failure"];
 | |
| 			$last_failure = strtotime($r[0]["last_failure"]);
 | |
| 			$last_contact_str = $r[0]["last_contact"];
 | |
| 			$last_contact = strtotime($r[0]["last_contact"]);
 | |
| 			$doprobing = (((time() - $last_contact) > (90 * 86400)) AND ((time() - $last_failure) > (90 * 86400)));
 | |
| 		}
 | |
| 	} else {
 | |
| 		q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
 | |
| 			VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
 | |
| 			dbesc($contact["name"]),
 | |
| 			dbesc($contact["nick"]),
 | |
| 			dbesc($contact["addr"]),
 | |
| 			dbesc($contact["network"]),
 | |
| 			dbesc($contact["url"]),
 | |
| 			dbesc(normalise_link($contact["url"])),
 | |
| 			dbesc($contact["photo"]),
 | |
| 			dbesc(datetime_convert()),
 | |
| 			dbesc(datetime_convert()),
 | |
| 			dbesc($contact["location"]),
 | |
| 			dbesc($contact["about"]),
 | |
| 			intval($contact["hide"]),
 | |
| 			intval($contact["generation"])
 | |
| 		);
 | |
| 
 | |
| 		$r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
 | |
| 			dbesc(normalise_link($contact["url"])));
 | |
| 
 | |
| 		if ($r) {
 | |
| 			$gcontact_id = $r[0]["id"];
 | |
| 
 | |
| 			$doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""));
 | |
| 		}
 | |
| 	}
 | |
| 	dba::unlock();
 | |
| 
 | |
| 	if ($doprobing) {
 | |
| 		logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
 | |
| 		proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
 | |
| 	}
 | |
| 
 | |
| 	return $gcontact_id;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Updates the gcontact table from a given array
 | |
|  *
 | |
|  * @param arr $contact contact array
 | |
|  * @return bool|int Returns false if not found, integer if contact was found
 | |
|  */
 | |
| function update_gcontact($contact) {
 | |
| 
 | |
| 	// Check for invalid "contact-type" value
 | |
| 	if (isset($contact['contact-type']) AND (intval($contact['contact-type']) < 0)) {
 | |
| 		$contact['contact-type'] = 0;
 | |
| 	}
 | |
| 
 | |
| 	/// @todo update contact table as well
 | |
| 
 | |
| 	$gcontact_id = get_gcontact_id($contact);
 | |
| 
 | |
| 	if (!$gcontact_id)
 | |
| 		return false;
 | |
| 
 | |
| 	$r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`,
 | |
| 			`contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url`
 | |
| 		FROM `gcontact` WHERE `id` = %d LIMIT 1",
 | |
| 		intval($gcontact_id));
 | |
| 
 | |
| 	// Get all field names
 | |
| 	$fields = array();
 | |
| 	foreach ($r[0] AS $field => $data)
 | |
| 		$fields[$field] = $data;
 | |
| 
 | |
| 	unset($fields["url"]);
 | |
| 	unset($fields["updated"]);
 | |
| 	unset($fields["hide"]);
 | |
| 
 | |
| 	// Bugfix: We had an error in the storing of keywords which lead to the "0"
 | |
| 	// This value is still transmitted via poco.
 | |
| 	if ($contact["keywords"] == "0")
 | |
| 		unset($contact["keywords"]);
 | |
| 
 | |
| 	if ($r[0]["keywords"] == "0")
 | |
| 		$r[0]["keywords"] = "";
 | |
| 
 | |
| 	// assign all unassigned fields from the database entry
 | |
| 	foreach ($fields AS $field => $data)
 | |
| 		if (!isset($contact[$field]) OR ($contact[$field] == ""))
 | |
| 			$contact[$field] = $r[0][$field];
 | |
| 
 | |
| 	if (!isset($contact["hide"]))
 | |
| 		$contact["hide"] = $r[0]["hide"];
 | |
| 
 | |
| 	$fields["hide"] = $r[0]["hide"];
 | |
| 
 | |
| 	if ($contact["network"] == NETWORK_STATUSNET)
 | |
| 		$contact["network"] = NETWORK_OSTATUS;
 | |
| 
 | |
| 	// Replace alternate OStatus user format with the primary one
 | |
| 	fix_alternate_contact_address($contact);
 | |
| 
 | |
| 	if (!isset($contact["updated"]))
 | |
| 		$contact["updated"] = dbm::date();
 | |
| 
 | |
| 	if ($contact["server_url"] == "") {
 | |
| 		$server_url = $contact["url"];
 | |
| 
 | |
| 		$server_url = matching_url($server_url, $contact["alias"]);
 | |
| 		if ($server_url != "")
 | |
| 			$contact["server_url"] = $server_url;
 | |
| 
 | |
| 		$server_url = matching_url($server_url, $contact["photo"]);
 | |
| 		if ($server_url != "")
 | |
| 			$contact["server_url"] = $server_url;
 | |
| 
 | |
| 		$server_url = matching_url($server_url, $contact["notify"]);
 | |
| 		if ($server_url != "")
 | |
| 			$contact["server_url"] = $server_url;
 | |
| 	} else
 | |
| 		$contact["server_url"] = normalise_link($contact["server_url"]);
 | |
| 
 | |
| 	if (($contact["addr"] == "") AND ($contact["server_url"] != "") AND ($contact["nick"] != "")) {
 | |
| 		$hostname = str_replace("http://", "", $contact["server_url"]);
 | |
| 		$contact["addr"] = $contact["nick"]."@".$hostname;
 | |
| 	}
 | |
| 
 | |
| 	// Check if any field changed
 | |
| 	$update = false;
 | |
| 	unset($fields["generation"]);
 | |
| 
 | |
| 	if ((($contact["generation"] > 0) AND ($contact["generation"] <= $r[0]["generation"])) OR ($r[0]["generation"] == 0)) {
 | |
| 		foreach ($fields AS $field => $data)
 | |
| 			if ($contact[$field] != $r[0][$field]) {
 | |
| 				logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
 | |
| 				$update = true;
 | |
| 			}
 | |
| 
 | |
| 		if ($contact["generation"] < $r[0]["generation"]) {
 | |
| 			logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG);
 | |
| 			$update = true;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ($update) {
 | |
| 		logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG);
 | |
| 
 | |
| 		q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s',
 | |
| 					`birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d,
 | |
| 					`contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s',
 | |
| 					`location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s',
 | |
| 					`server_url` = '%s', `connect` = '%s'
 | |
| 				WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)",
 | |
| 			dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]),
 | |
| 			dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]),
 | |
| 			dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]),
 | |
| 			intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]),
 | |
| 			dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]),
 | |
| 			dbesc($contact["about"]), intval($contact["generation"]), dbesc(dbm::date($contact["updated"])),
 | |
| 			dbesc($contact["server_url"]), dbesc($contact["connect"]),
 | |
| 			dbesc(normalise_link($contact["url"])), intval($contact["generation"]));
 | |
| 
 | |
| 
 | |
| 		// Now update the contact entry with the user id "0" as well.
 | |
| 		// This is used for the shadow copies of public items.
 | |
| 		$r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1",
 | |
| 			dbesc(normalise_link($contact["url"])));
 | |
| 
 | |
| 		if ($r) {
 | |
| 			logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG);
 | |
| 
 | |
| 			update_contact_avatar($contact["photo"], 0, $r[0]["id"]);
 | |
| 
 | |
| 			q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s',
 | |
| 						`network` = '%s', `bd` = '%s', `gender` = '%s',
 | |
| 						`keywords` = '%s', `alias` = '%s', `contact-type` = %d,
 | |
| 						`url` = '%s', `location` = '%s', `about` = '%s'
 | |
| 					WHERE `id` = %d",
 | |
| 				dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]),
 | |
| 				dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]),
 | |
| 				dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]),
 | |
| 				dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]),
 | |
| 				intval($r[0]["id"]));
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return $gcontact_id;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Updates the gcontact entry from probe
 | |
|  *
 | |
|  * @param str $url profile link
 | |
|  */
 | |
| function update_gcontact_from_probe($url) {
 | |
| 	$data = probe_url($url);
 | |
| 
 | |
| 	if (in_array($data["network"], array(NETWORK_PHANTOM))) {
 | |
| 		logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	$data["server_url"] = $data["baseurl"];
 | |
| 
 | |
| 	update_gcontact($data);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Update the gcontact entry for a given user id
 | |
|  *
 | |
|  * @param int $uid User ID
 | |
|  */
 | |
| function update_gcontact_for_user($uid) {
 | |
| 	$r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
 | |
| 			`profile`.`name`, `profile`.`about`, `profile`.`gender`,
 | |
| 			`profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
 | |
| 			`profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
 | |
| 			`contact`.`notify`, `contact`.`url`, `contact`.`addr`
 | |
| 		FROM `profile`
 | |
| 			INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
 | |
| 			INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
 | |
| 		WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
 | |
| 		intval($uid));
 | |
| 
 | |
| 	$location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"],
 | |
| 						"country-name" => $r[0]["country-name"]));
 | |
| 
 | |
| 	// The "addr" field was added in 3.4.3 so it can be empty for older users
 | |
| 	if ($r[0]["addr"] != "")
 | |
| 		$addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl());
 | |
| 	else
 | |
| 		$addr = $r[0]["addr"];
 | |
| 
 | |
| 	$gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
 | |
| 			"gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
 | |
| 			"birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
 | |
| 			"notify" => $r[0]["notify"], "url" => $r[0]["url"],
 | |
| 			"hide" => ($r[0]["hidewall"] OR !$r[0]["net-publish"]),
 | |
| 			"nick" => $r[0]["nickname"], "addr" => $addr,
 | |
| 			"connect" => $addr, "server_url" => App::get_baseurl(),
 | |
| 			"generation" => 1, "network" => NETWORK_DFRN);
 | |
| 
 | |
| 	update_gcontact($gcontact);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Fetches users of given GNU Social server
 | |
|  *
 | |
|  * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this.
 | |
|  *
 | |
|  * @param str $server Server address
 | |
|  */
 | |
| function gs_fetch_users($server) {
 | |
| 
 | |
| 	logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG);
 | |
| 
 | |
| 	$url = $server."/main/statistics";
 | |
| 
 | |
| 	$result = z_fetch_url($url);
 | |
| 	if (!$result["success"])
 | |
| 		return false;
 | |
| 
 | |
| 	$statistics = json_decode($result["body"]);
 | |
| 
 | |
| 	if (is_object($statistics->config)) {
 | |
| 		if ($statistics->config->instance_with_ssl)
 | |
| 			$server = "https://";
 | |
| 		else
 | |
| 			$server = "http://";
 | |
| 
 | |
| 		$server .= $statistics->config->instance_address;
 | |
| 
 | |
| 		$hostname = $statistics->config->instance_address;
 | |
| 	} else {
 | |
| 		if ($statistics->instance_with_ssl)
 | |
| 			$server = "https://";
 | |
| 		else
 | |
| 			$server = "http://";
 | |
| 
 | |
| 		$server .= $statistics->instance_address;
 | |
| 
 | |
| 		$hostname = $statistics->instance_address;
 | |
| 	}
 | |
| 
 | |
| 	if (is_object($statistics->users))
 | |
| 		foreach ($statistics->users AS $nick => $user) {
 | |
| 			$profile_url = $server."/".$user->nickname;
 | |
| 
 | |
| 			$contact = array("url" => $profile_url,
 | |
| 					"name" => $user->fullname,
 | |
| 					"addr" => $user->nickname."@".$hostname,
 | |
| 					"nick" => $user->nickname,
 | |
| 					"about" => $user->bio,
 | |
| 					"network" => NETWORK_OSTATUS,
 | |
| 					"photo" => App::get_baseurl()."/images/person-175.jpg");
 | |
| 			get_gcontact_id($contact);
 | |
| 		}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Asking GNU Social server on a regular base for their user data
 | |
|  *
 | |
|  */
 | |
| function gs_discover() {
 | |
| 
 | |
| 	$requery_days = intval(get_config("system", "poco_requery_days"));
 | |
| 
 | |
| 	$last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
 | |
| 
 | |
| 	$r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5",
 | |
| 		dbesc(NETWORK_OSTATUS), dbesc($last_update));
 | |
| 
 | |
| 	if (!$r)
 | |
| 		return;
 | |
| 
 | |
| 	foreach ($r AS $server) {
 | |
| 		gs_fetch_users($server["url"]);
 | |
| 		q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @brief Returns a list of all known servers
 | |
|  * @return array List of server urls
 | |
|  */
 | |
| function poco_serverlist() {
 | |
| 	$r = q("SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
 | |
| 		WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
 | |
| 		ORDER BY `last_contact`
 | |
| 		LIMIT 1000",
 | |
| 		dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS));
 | |
| 	if (!dbm::is_result($r)) {
 | |
| 		return false;
 | |
| 	}
 | |
| 	return $r;
 | |
| }
 |