141 lines
4.1 KiB
PHP
141 lines
4.1 KiB
PHP
<?php
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/*
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* @file src/Core/Protocol.php
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*/
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namespace Friendica\Core;
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use Friendica\Util\Network;
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/**
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* Manage compatibility with federated networks
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*
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* @author Hypolite Petovan <hypolite@mrpetovan.com>
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*/
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class Protocol
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{
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// Native support
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const ACTIVITYPUB = 'apub'; // ActivityPub (Pleroma, Mastodon, Osada, ...)
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const DFRN = 'dfrn'; // Friendica, Mistpark, other DFRN implementations
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const DIASPORA = 'dspr'; // Diaspora, Hubzilla, Socialhome, Ganggo
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const FEED = 'feed'; // RSS/Atom feeds with no known "post/notify" protocol
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const MAIL = 'mail'; // IMAP/POP
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const OSTATUS = 'stat'; // GNU Social and other OStatus implementations
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const NATIVE_SUPPORT = [self::DFRN, self::DIASPORA, self::OSTATUS, self::FEED, self::MAIL, self::ACTIVITYPUB];
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// Supported through a connector
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const DIASPORA2 = 'dspc'; // Diaspora connector
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const LINKEDIN = 'lnkd'; // LinkedIn
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const PUMPIO = 'pump'; // pump.io
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const STATUSNET = 'stac'; // Statusnet connector
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const TWITTER = 'twit'; // Twitter
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// Dead protocols
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const APPNET = 'apdn'; // app.net - Dead protocol
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const FACEBOOK = 'face'; // Facebook API - Not working anymore, API is closed
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const GPLUS = 'goog'; // Google+ - Dead in 2019
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// Currently unsupported
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const ICALENDAR = 'ical'; // iCalendar
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const MYSPACE = 'mysp'; // MySpace
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const NEWS = 'nntp'; // Network News Transfer Protocol
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const PNUT = 'pnut'; // pnut.io
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const XMPP = 'xmpp'; // XMPP
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const ZOT = 'zot!'; // Zot!
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const PHANTOM = 'unkn'; // Place holder
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/**
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* Returns the address string for the provided profile URL
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*
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* @param string $profile_url
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* @return string
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* @throws \Exception
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*/
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public static function getAddrFromProfileUrl($profile_url)
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{
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$network = self::matchByProfileUrl($profile_url, $matches);
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if ($network === self::PHANTOM) {
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return "";
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}
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$addr = $matches[2] . '@' . $matches[1];
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return $addr;
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}
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/**
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* Guesses the network from a profile URL
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*
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* @param string $profile_url
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* @param array $matches preg_match return array: [0] => Full match [1] => hostname [2] => username
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* @return string
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function matchByProfileUrl($profile_url, &$matches = [])
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{
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if (preg_match('=https?://(twitter\.com)/(.*)=ism', $profile_url, $matches)) {
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return self::TWITTER;
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}
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if (preg_match('=https?://(alpha\.app\.net)/(.*)=ism', $profile_url, $matches)) {
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return self::APPNET;
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}
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if (preg_match('=https?://(plus\.google\.com)/(.*)=ism', $profile_url, $matches)) {
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return self::GPLUS;
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}
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if (preg_match('=https?://(.*)/profile/(.*)=ism', $profile_url, $matches)) {
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return self::DFRN;
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}
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if (preg_match('=https?://(.*)/u/(.*)=ism', $profile_url, $matches)) {
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return self::DIASPORA;
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}
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if (preg_match('=https?://(.*)/channel/(.*)=ism', $profile_url, $matches)) {
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// RedMatrix/Hubzilla is identified as Diaspora - friendica can't connect directly to it
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return self::DIASPORA;
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}
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if (preg_match('=https?://(.*)/user/(.*)=ism', $profile_url, $matches)) {
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$statusnet_host = $matches[1];
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$statusnet_user = $matches[2];
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$UserData = Network::fetchUrl('http://' . $statusnet_host . '/api/users/show.json?user_id=' . $statusnet_user);
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$user = json_decode($UserData);
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if ($user) {
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$matches[2] = $user->screen_name;
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return self::STATUSNET;
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}
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}
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// Mastodon, Pleroma
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if (preg_match('=https?://(.+?)/users/(.+)=ism', $profile_url, $matches)
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|| preg_match('=https?://(.+?)/@(.+)=ism', $profile_url, $matches)
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) {
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return self::ACTIVITYPUB;
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}
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// pumpio (http://host.name/user)
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if (preg_match('=https?://([\.\w]+)/([\.\w]+)$=ism', $profile_url, $matches)) {
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return self::PUMPIO;
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}
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return self::PHANTOM;
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}
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/**
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* Returns a formatted mention from a profile URL and a display name
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*
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* @param string $profile_url
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* @param string $display_name
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* @return string
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* @throws \Exception
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*/
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public static function formatMention($profile_url, $display_name)
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{
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return $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
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}
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}
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