Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/*
* @file src/Core/Protocol.php
*/
namespace Friendica\Core;
use Friendica\Util\Network;
/**
* Manage compatibility with federated networks
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class Protocol
{
// Native support
const ACTIVITYPUB = 'apub'; // ActivityPub
const DFRN = 'dfrn'; // Friendica, Mistpark, other DFRN implementations
const DIASPORA = 'dspr'; // Diaspora
const FEED = 'feed'; // RSS/Atom feeds with no known "post/notify" protocol
const MAIL = 'mail'; // IMAP/POP
const OSTATUS = 'stat'; // GNU-social, Pleroma, Mastodon, other OStatus implementations
const NATIVE_SUPPORT = [self::DFRN, self::DIASPORA, self::OSTATUS, self::FEED, self::MAIL, self::ACTIVITYPUB];
// Supported through a connector
const APPNET = 'apdn'; // app.net - Dead protocol
const DIASPORA2 = 'dspc'; // Diaspora connector
const FACEBOOK = 'face'; // Facebook API
const GPLUS = 'goog'; // Google+
const LINKEDIN = 'lnkd'; // LinkedIn
const PUMPIO = 'pump'; // pump.io
const STATUSNET = 'stac'; // Statusnet connector
const TWITTER = 'twit'; // Twitter
// Currently unsupported
const ICALENDAR = 'ical'; // iCalendar
const MYSPACE = 'mysp'; // MySpace
const NEWS = 'nntp'; // Network News Transfer Protocol
const PNUT = 'pnut'; // pnut.io
const XMPP = 'xmpp'; // XMPP
const ZOT = 'zot!'; // Zot!
const PHANTOM = 'unkn'; // Place holder
/**
* Returns the address string for the provided profile URL
*
* @param string $profile_url
* @return string
* @throws Exception
*/
public static function getAddrFromProfileUrl($profile_url)
{
$network = self::matchByProfileUrl($profile_url, $matches);
if ($network === self::PHANTOM) {
return "";
}
$addr = $matches[2] . '@' . $matches[1];
return $addr;
}
/**
* Guesses the network from a profile URL
*
* @param string $profile_url
* @param array $matches preg_match return array: [0] => Full match [1] => hostname [2] => username
* @return type
*/
public static function matchByProfileUrl($profile_url, &$matches = [])
{
if (preg_match('=https?://(twitter\.com)/(.*)=ism', $profile_url, $matches)) {
return self::TWITTER;
}
if (preg_match('=https?://(alpha\.app\.net)/(.*)=ism', $profile_url, $matches)) {
return self::APPNET;
}
if (preg_match('=https?://(plus\.google\.com)/(.*)=ism', $profile_url, $matches)) {
return self::GPLUS;
}
if (preg_match('=https?://(.*)/profile/(.*)=ism', $profile_url, $matches)) {
return self::DFRN;
}
if (preg_match('=https?://(.*)/u/(.*)=ism', $profile_url, $matches)) {
return self::DIASPORA;
}
if (preg_match('=https?://(.*)/channel/(.*)=ism', $profile_url, $matches)) {
// RedMatrix/Hubzilla is identified as Diaspora - friendica can't connect directly to it
return self::DIASPORA;
}
if (preg_match('=https?://(.*)/user/(.*)=ism', $profile_url, $matches)) {
$statusnet_host = $matches[1];
$statusnet_user = $matches[2];
$UserData = Network::fetchUrl('http://' . $statusnet_host . '/api/users/show.json?user_id=' . $statusnet_user);
$user = json_decode($UserData);
if ($user) {
$matches[2] = $user->screen_name;
return self::STATUSNET;
}
}
// Mastodon, Pleroma
if (preg_match('=https?://(.+?)/users/(.+)=ism', $profile_url, $matches)
|| preg_match('=https?://(.+?)/@(.+)=ism', $profile_url, $matches)
) {
return self::ACTIVITYPUB;
}
// pumpio (http://host.name/user)
if (preg_match('=https?://([\.\w]+)/([\.\w]+)$=ism', $profile_url, $matches)) {
return self::PUMPIO;
}
return self::PHANTOM;
}
/**
* Returns a formatted mention from a profile URL and a display name
*
* @param string $profile_url
* @param string $display_name
* @return string
*/
public static function formatMention($profile_url, $display_name)
{
return $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
}
}