From: Brion Vibber Date: Thu, 6 May 2010 00:11:23 +0000 (-0700) Subject: Merge branch '0.9.x' of gitorious.org:statusnet/mainline into 1.0.x X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=173778eab145cfd73f597cd75db195e4d47fe323;p=quix0rs-gnu-social.git Merge branch '0.9.x' of gitorious.org:statusnet/mainline into 1.0.x Conflicts: lib/xmppmanager.php (resolved: code has moved to XmppPlugin.php) --- 173778eab145cfd73f597cd75db195e4d47fe323 diff --cc plugins/Xmpp/XmppPlugin.php index 9d75e2475d,0000000000..66468b5f25 mode 100644,000000..100644 --- a/plugins/Xmpp/XmppPlugin.php +++ b/plugins/Xmpp/XmppPlugin.php @@@ -1,433 -1,0 +1,433 @@@ +. + * + * @category IM + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 + * @link http://status.net/ + */ + +if (!defined('STATUSNET')) { + // This check helps protect against security problems; + // your code file can't be executed directly from the web. + exit(1); +} + +/** + * Plugin for XMPP + * + * @category Plugin + * @package StatusNet + * @author Evan Prodromou + * @copyright 2009 StatusNet, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 + * @link http://status.net/ + */ + +class XmppPlugin extends ImPlugin +{ + public $server = null; + public $port = 5222; + public $user = 'update'; + public $resource = null; + public $encryption = true; + public $password = null; + public $host = null; // only set if != server + public $debug = false; // print extra debug info + + public $transport = 'xmpp'; + + function getDisplayName(){ + return _m('XMPP/Jabber/GTalk'); + } + + /** + * Splits a Jabber ID (JID) into node, domain, and resource portions. + * + * Based on validation routine submitted by: + * @copyright 2009 Patrick Georgi + * @license Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact. + * + * @param string $jid string to check + * + * @return array with "node", "domain", and "resource" indices + * @throws Exception if input is not valid + */ + + protected function splitJid($jid) + { + $chars = ''; + /* the following definitions come from stringprep, Appendix C, + which is used in its entirety by nodeprop, Chapter 5, "Prohibited Output" */ + /* C1.1 ASCII space characters */ + $chars .= "\x{20}"; + /* C1.2 Non-ASCII space characters */ + $chars .= "\x{a0}\x{1680}\x{2000}-\x{200b}\x{202f}\x{205f}\x{3000a}"; + /* C2.1 ASCII control characters */ + $chars .= "\x{00}-\x{1f}\x{7f}"; + /* C2.2 Non-ASCII control characters */ + $chars .= "\x{80}-\x{9f}\x{6dd}\x{70f}\x{180e}\x{200c}\x{200d}\x{2028}\x{2029}\x{2060}-\x{2063}\x{206a}-\x{206f}\x{feff}\x{fff9}-\x{fffc}\x{1d173}-\x{1d17a}"; + /* C3 - Private Use */ + $chars .= "\x{e000}-\x{f8ff}\x{f0000}-\x{ffffd}\x{100000}-\x{10fffd}"; + /* C4 - Non-character code points */ + $chars .= "\x{fdd0}-\x{fdef}\x{fffe}\x{ffff}\x{1fffe}\x{1ffff}\x{2fffe}\x{2ffff}\x{3fffe}\x{3ffff}\x{4fffe}\x{4ffff}\x{5fffe}\x{5ffff}\x{6fffe}\x{6ffff}\x{7fffe}\x{7ffff}\x{8fffe}\x{8ffff}\x{9fffe}\x{9ffff}\x{afffe}\x{affff}\x{bfffe}\x{bffff}\x{cfffe}\x{cffff}\x{dfffe}\x{dffff}\x{efffe}\x{effff}\x{ffffe}\x{fffff}\x{10fffe}\x{10ffff}"; + /* C5 - Surrogate codes */ + $chars .= "\x{d800}-\x{dfff}"; + /* C6 - Inappropriate for plain text */ + $chars .= "\x{fff9}-\x{fffd}"; + /* C7 - Inappropriate for canonical representation */ + $chars .= "\x{2ff0}-\x{2ffb}"; + /* C8 - Change display properties or are deprecated */ + $chars .= "\x{340}\x{341}\x{200e}\x{200f}\x{202a}-\x{202e}\x{206a}-\x{206f}"; + /* C9 - Tagging characters */ + $chars .= "\x{e0001}\x{e0020}-\x{e007f}"; + + /* Nodeprep forbids some more characters */ + $nodeprepchars = $chars; + $nodeprepchars .= "\x{22}\x{26}\x{27}\x{2f}\x{3a}\x{3c}\x{3e}\x{40}"; + + $parts = explode("/", $jid, 2); + if (count($parts) > 1) { + $resource = $parts[1]; + if ($resource == '') { + // Warning: empty resource isn't legit. + // But if we're normalizing, we may as well take it... + } + } else { + $resource = null; + } + + $node = explode("@", $parts[0]); + if ((count($node) > 2) || (count($node) == 0)) { + throw new Exception("Invalid JID: too many @s"); + } else if (count($node) == 1) { + $domain = $node[0]; + $node = null; + } else { + $domain = $node[1]; + $node = $node[0]; + if ($node == '') { + throw new Exception("Invalid JID: @ but no node"); + } + } + + // Length limits per http://xmpp.org/rfcs/rfc3920.html#addressing + if ($node !== null) { + if (strlen($node) > 1023) { + throw new Exception("Invalid JID: node too long."); + } + if (preg_match("/[".$nodeprepchars."]/u", $node)) { + throw new Exception("Invalid JID node '$node'"); + } + } + + if (strlen($domain) > 1023) { + throw new Exception("Invalid JID: domain too long."); + } + if (!common_valid_domain($domain)) { + throw new Exception("Invalid JID domain name '$domain'"); + } + + if ($resource !== null) { + if (strlen($resource) > 1023) { + throw new Exception("Invalid JID: resource too long."); + } + if (preg_match("/[".$chars."]/u", $resource)) { + throw new Exception("Invalid JID resource '$resource'"); + } + } + + return array('node' => is_null($node) ? null : mb_strtolower($node), + 'domain' => is_null($domain) ? null : mb_strtolower($domain), + 'resource' => $resource); + } + + /** + * Checks whether a string is a syntactically valid Jabber ID (JID), + * either with or without a resource. + * + * Note that a bare domain can be a valid JID. + * + * @param string $jid string to check + * @param bool $check_domain whether we should validate that domain... + * + * @return boolean whether the string is a valid JID + */ + protected function validateFullJid($jid, $check_domain=false) + { + try { + $parts = $this->splitJid($jid); + if ($check_domain) { + if (!$this->checkDomain($parts['domain'])) { + return false; + } + } + return $parts['resource'] !== ''; // missing or present; empty ain't kosher + } catch (Exception $e) { + return false; + } + } + + /** + * Checks whether a string is a syntactically valid base Jabber ID (JID). + * A base JID won't include a resource specifier on the end; since we + * take it off when reading input we can't really use them reliably + * to direct outgoing messages yet (sorry guys!) + * + * Note that a bare domain can be a valid JID. + * + * @param string $jid string to check + * @param bool $check_domain whether we should validate that domain... + * + * @return boolean whether the string is a valid JID + */ + protected function validateBaseJid($jid, $check_domain=false) + { + try { + $parts = $this->splitJid($jid); + if ($check_domain) { + if (!$this->checkDomain($parts['domain'])) { + return false; + } + } + return ($parts['resource'] === null); // missing; empty ain't kosher + } catch (Exception $e) { + return false; + } + } + + /** + * Normalizes a Jabber ID for comparison, dropping the resource component if any. + * + * @param string $jid JID to check + * @param bool $check_domain if true, reject if the domain isn't findable + * + * @return string an equivalent JID in normalized (lowercase) form + */ + + function normalize($jid) + { + try { + $parts = $this->splitJid($jid); + if ($parts['node'] !== null) { + return $parts['node'] . '@' . $parts['domain']; + } else { + return $parts['domain']; + } + } catch (Exception $e) { + return null; + } + } + + /** + * Check if this domain's got some legit DNS record + */ + protected function checkDomain($domain) + { + if (checkdnsrr("_xmpp-server._tcp." . $domain, "SRV")) { + return true; + } + if (checkdnsrr($domain, "ANY")) { + return true; + } + return false; + } + + function daemon_screenname() + { + $ret = $this->user . '@' . $this->server; + if($this->resource) + { + return $ret . '/' . $this->resource; + }else{ + return $ret; + } + } + + function validate($screenname) + { + return $this->validateBaseJid($screenname, common_config('email', 'check_domain')); + } + + /** + * Load related modules when needed + * + * @param string $cls Name of the class to be loaded + * + * @return boolean hook value; true means continue processing, false means stop. + */ + + function onAutoload($cls) + { + $dir = dirname(__FILE__); + + switch ($cls) + { + case 'XMPPHP_XMPP': + require_once $dir . '/extlib/XMPPHP/XMPP.php'; + return false; + case 'Sharing_XMPP': + case 'Queued_XMPP': + require_once $dir . '/'.$cls.'.php'; + return false; + case 'XmppManager': + require_once $dir . '/'.strtolower($cls).'.php'; + return false; + default: + return true; + } + } + + function onStartImDaemonIoManagers(&$classes) + { + parent::onStartImDaemonIoManagers(&$classes); + $classes[] = new XmppManager($this); // handles pings/reconnects + return true; + } + + function microiduri($screenname) + { + return 'xmpp:' . $screenname; + } + + function send_message($screenname, $body) + { + $this->queuedConnection()->message($screenname, $body, 'chat'); + } + + function send_notice($screenname, $notice) + { + $msg = $this->format_notice($notice); + $entry = $this->format_entry($notice); + + $this->queuedConnection()->message($screenname, $msg, 'chat', null, $entry); + return true; + } + + /** + * extra information for XMPP messages, as defined by Twitter + * + * @param Profile $profile Profile of the sending user + * @param Notice $notice Notice being sent + * + * @return string Extra information (Atom, HTML, addresses) in string format + */ + + function format_entry($notice) + { + $profile = $notice->getProfile(); + + $entry = $notice->asAtomEntry(true, true); + + $xs = new XMLStringer(); + $xs->elementStart('html', array('xmlns' => 'http://jabber.org/protocol/xhtml-im')); + $xs->elementStart('body', array('xmlns' => 'http://www.w3.org/1999/xhtml')); + $xs->element('a', array('href' => $profile->profileurl), + $profile->nickname); + $xs->text(": "); + if (!empty($notice->rendered)) { + $xs->raw($notice->rendered); + } else { + $xs->raw(common_render_content($notice->content, $notice)); + } + $xs->text(" "); + $xs->element('a', array( + 'href'=>common_local_url('conversation', + array('id' => $notice->conversation)).'#notice-'.$notice->id + ),sprintf(_('[%s]'),$notice->id)); + $xs->elementEnd('body'); + $xs->elementEnd('html'); + + $html = $xs->getString(); + + return $html . ' ' . $entry; + } + + function receive_raw_message($pl) + { + $from = $this->normalize($pl['from']); + + if ($pl['type'] != 'chat') { - common_log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from."); - return true; ++ $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from: " . $pl['xml']->toString()); ++ return; + } + + if (mb_strlen($pl['body']) == 0) { - common_log(LOG_WARNING, "Ignoring message with empty body from $from."); - return true; ++ $this->log(LOG_WARNING, "Ignoring message with empty body from $from: " . $pl['xml']->toString()); ++ return; + } + + $this->handle_incoming($from, $pl['body']); + + return true; + } + + /** + * Build a queue-proxied XMPP interface object. Any outgoing messages + * will be run back through us for enqueing rather than sent directly. + * + * @return Queued_XMPP + * @throws Exception if server settings are invalid. + */ + function queuedConnection(){ + if(!isset($this->server)){ + throw new Exception("must specify a server"); + } + if(!isset($this->port)){ + throw new Exception("must specify a port"); + } + if(!isset($this->user)){ + throw new Exception("must specify a user"); + } + if(!isset($this->password)){ + throw new Exception("must specify a password"); + } + + return new Queued_XMPP($this, $this->host ? + $this->host : + $this->server, + $this->port, + $this->user, + $this->password, + $this->resource, + $this->server, + $this->debug ? + true : false, + $this->debug ? + XMPPHP_Log::LEVEL_VERBOSE : null + ); + } + + function onPluginVersion(&$versions) + { + $versions[] = array('name' => 'XMPP', + 'version' => STATUSNET_VERSION, + 'author' => 'Craig Andrews, Evan Prodromou', + 'homepage' => 'http://status.net/wiki/Plugin:XMPP', + 'rawdescription' => + _m('The XMPP plugin allows users to send and receive notices over the XMPP/Jabber network.')); + return true; + } +} +