2010-01-23 06:25:27 +00:00
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<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2009, StatusNet, Inc.
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*
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* Send and receive notices using the XMPP network
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*
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2019-04-21 01:23:50 +01:00
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* PHP version 7
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2010-01-23 06:25:27 +00:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category IM
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Plugin for XMPP
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*
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* @category Plugin
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class XmppPlugin extends ImPlugin
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{
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public $server = null;
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public $port = 5222;
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2019-04-21 01:23:50 +01:00
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public $user = 'update';
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2013-10-30 11:25:01 +00:00
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public $resource = 'gnusocial';
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2010-01-23 06:25:27 +00:00
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public $encryption = true;
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public $password = null;
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public $host = null; // only set if != server
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public $debug = false; // print extra debug info
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public $transport = 'xmpp';
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2019-04-21 01:23:50 +01:00
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function getDisplayName()
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{
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2011-06-15 12:20:23 +01:00
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// TRANS: Plugin display name.
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2013-11-18 18:50:46 +00:00
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return _m('XMPP/Jabber');
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2010-01-23 06:25:27 +00:00
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}
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2019-04-21 01:23:50 +01:00
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function daemonScreenname()
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{
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$ret = $this->user . '@' . $this->server;
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if ($this->resource) {
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return $ret . '/' . $this->resource;
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} else {
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return $ret;
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}
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}
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function validate($screenname)
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{
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return $this->validateBaseJid($screenname, common_config('email', 'check_domain'));
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}
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/**
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* Checks whether a string is a syntactically valid base Jabber ID (JID).
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* A base JID won't include a resource specifier on the end; since we
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* take it off when reading input we can't really use them reliably
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* to direct outgoing messages yet (sorry guys!)
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*
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* Note that a bare domain can be a valid JID.
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*
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* @param string $jid string to check
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* @param bool $check_domain whether we should validate that domain...
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*
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* @return boolean whether the string is a valid JID
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*/
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protected function validateBaseJid($jid, $check_domain = false)
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{
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try {
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$parts = $this->splitJid($jid);
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if ($check_domain) {
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if (!$this->checkDomain($parts['domain'])) {
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return false;
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}
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}
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return ($parts['resource'] === null); // missing; empty ain't kosher
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} catch (Exception $e) {
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return false;
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}
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}
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2010-04-02 23:56:25 +01:00
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/**
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* Splits a Jabber ID (JID) into node, domain, and resource portions.
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2011-06-15 12:20:23 +01:00
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*
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2010-04-02 23:56:25 +01:00
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* Based on validation routine submitted by:
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* @param string $jid string to check
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*
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* @return array with "node", "domain", and "resource" indices
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* @throws Exception if input is not valid
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2019-04-21 01:23:50 +01:00
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* @license Licensed under ISC-L, which is compatible with everything else that keeps the copyright notice intact.
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*
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* @copyright 2009 Patrick Georgi <patrick@georgi-clan.de>
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2010-04-02 23:56:25 +01:00
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*/
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protected function splitJid($jid)
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2010-01-23 06:25:27 +00:00
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{
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2010-04-02 23:56:25 +01:00
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$chars = '';
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/* the following definitions come from stringprep, Appendix C,
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which is used in its entirety by nodeprop, Chapter 5, "Prohibited Output" */
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/* C1.1 ASCII space characters */
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$chars .= "\x{20}";
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/* C1.2 Non-ASCII space characters */
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$chars .= "\x{a0}\x{1680}\x{2000}-\x{200b}\x{202f}\x{205f}\x{3000a}";
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/* C2.1 ASCII control characters */
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$chars .= "\x{00}-\x{1f}\x{7f}";
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/* C2.2 Non-ASCII control characters */
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$chars .= "\x{80}-\x{9f}\x{6dd}\x{70f}\x{180e}\x{200c}\x{200d}\x{2028}\x{2029}\x{2060}-\x{2063}\x{206a}-\x{206f}\x{feff}\x{fff9}-\x{fffc}\x{1d173}-\x{1d17a}";
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/* C3 - Private Use */
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$chars .= "\x{e000}-\x{f8ff}\x{f0000}-\x{ffffd}\x{100000}-\x{10fffd}";
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/* C4 - Non-character code points */
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$chars .= "\x{fdd0}-\x{fdef}\x{fffe}\x{ffff}\x{1fffe}\x{1ffff}\x{2fffe}\x{2ffff}\x{3fffe}\x{3ffff}\x{4fffe}\x{4ffff}\x{5fffe}\x{5ffff}\x{6fffe}\x{6ffff}\x{7fffe}\x{7ffff}\x{8fffe}\x{8ffff}\x{9fffe}\x{9ffff}\x{afffe}\x{affff}\x{bfffe}\x{bffff}\x{cfffe}\x{cffff}\x{dfffe}\x{dffff}\x{efffe}\x{effff}\x{ffffe}\x{fffff}\x{10fffe}\x{10ffff}";
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/* C5 - Surrogate codes */
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$chars .= "\x{d800}-\x{dfff}";
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/* C6 - Inappropriate for plain text */
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$chars .= "\x{fff9}-\x{fffd}";
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/* C7 - Inappropriate for canonical representation */
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$chars .= "\x{2ff0}-\x{2ffb}";
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/* C8 - Change display properties or are deprecated */
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$chars .= "\x{340}\x{341}\x{200e}\x{200f}\x{202a}-\x{202e}\x{206a}-\x{206f}";
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/* C9 - Tagging characters */
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$chars .= "\x{e0001}\x{e0020}-\x{e007f}";
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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/* Nodeprep forbids some more characters */
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$nodeprepchars = $chars;
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$nodeprepchars .= "\x{22}\x{26}\x{27}\x{2f}\x{3a}\x{3c}\x{3e}\x{40}";
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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$parts = explode("/", $jid, 2);
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if (count($parts) > 1) {
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$resource = $parts[1];
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2019-04-21 01:23:50 +01:00
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// if ($resource == '') then
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// Warning: empty resource isn't legit.
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// But if we're normalizing, we may as well take it...
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2010-01-23 06:25:27 +00:00
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} else {
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2010-04-02 23:56:25 +01:00
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$resource = null;
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}
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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$node = explode("@", $parts[0]);
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if ((count($node) > 2) || (count($node) == 0)) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using too many @ signs in a Jabber ID.
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throw new Exception(_m('Invalid JID: too many @s.'));
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2010-04-02 23:56:25 +01:00
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} else if (count($node) == 1) {
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$domain = $node[0];
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$node = null;
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} else {
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$domain = $node[1];
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$node = $node[0];
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if ($node == '') {
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2019-04-21 01:23:50 +01:00
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// TRANS: Exception thrown when using @ sign not followed by a Jabber ID.
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2011-06-15 12:20:23 +01:00
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throw new Exception(_m('Invalid JID: @ but no node'));
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2010-04-02 23:56:25 +01:00
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}
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}
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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// Length limits per http://xmpp.org/rfcs/rfc3920.html#addressing
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if ($node !== null) {
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if (strlen($node) > 1023) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using too long a Jabber ID (>1023).
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throw new Exception(_m('Invalid JID: node too long.'));
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2010-04-02 23:56:25 +01:00
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}
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2019-04-21 01:23:50 +01:00
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if (preg_match("/[" . $nodeprepchars . "]/u", $node)) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using an invalid Jabber ID.
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// TRANS: %s is the invalid Jabber ID.
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2019-04-21 01:23:50 +01:00
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throw new Exception(sprintf(_m('Invalid JID node "%s".'), $node));
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2010-04-02 23:56:25 +01:00
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}
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}
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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if (strlen($domain) > 1023) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using too long a Jabber domain (>1023).
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throw new Exception(_m('Invalid JID: domain too long.'));
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2010-04-02 23:56:25 +01:00
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}
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if (!common_valid_domain($domain)) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using an invalid Jabber domain name.
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// TRANS: %s is the invalid domain name.
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2019-04-21 01:23:50 +01:00
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throw new Exception(sprintf(_m('Invalid JID domain name "%s".'), $domain));
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2010-04-02 23:56:25 +01:00
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}
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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if ($resource !== null) {
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if (strlen($resource) > 1023) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using too long a resource (>1023).
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2010-04-02 23:56:25 +01:00
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throw new Exception("Invalid JID: resource too long.");
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}
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2019-04-21 01:23:50 +01:00
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if (preg_match("/[" . $chars . "]/u", $resource)) {
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2011-06-15 12:20:23 +01:00
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// TRANS: Exception thrown when using an invalid Jabber resource.
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// TRANS: %s is the invalid resource.
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2019-04-21 01:23:50 +01:00
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throw new Exception(sprintf(_m('Invalid JID resource "%s".'), $resource));
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2010-04-02 23:56:25 +01:00
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}
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}
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2011-06-15 12:20:23 +01:00
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2010-04-02 23:56:25 +01:00
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return array('node' => is_null($node) ? null : mb_strtolower($node),
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2019-04-21 01:23:50 +01:00
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'domain' => is_null($domain) ? null : mb_strtolower($domain),
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'resource' => $resource);
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2010-01-23 06:25:27 +00:00
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}
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2010-04-02 23:56:25 +01:00
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/**
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* Check if this domain's got some legit DNS record
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2019-04-21 01:23:50 +01:00
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* @param $domain
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* @return bool
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2010-04-02 23:56:25 +01:00
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*/
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protected function checkDomain($domain)
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{
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if (checkdnsrr("_xmpp-server._tcp." . $domain, "SRV")) {
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return true;
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}
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if (checkdnsrr($domain, "ANY")) {
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return true;
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}
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return false;
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}
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2010-01-23 06:25:27 +00:00
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/**
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* Load related modules when needed
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*
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* @param string $cls Name of the class to be loaded
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onAutoload($cls)
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{
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2019-04-21 01:23:50 +01:00
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switch ($cls) {
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case 'XMPPHP_XMPP':
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require_once __DIR__ . '/extlib/XMPPHP/XMPP.php';
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return false;
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2010-01-23 06:25:27 +00:00
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}
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2013-08-28 14:54:26 +01:00
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return parent::onAutoload($cls);
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2010-01-23 06:25:27 +00:00
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}
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function onStartImDaemonIoManagers(&$classes)
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{
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2013-06-19 10:16:05 +01:00
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parent::onStartImDaemonIoManagers($classes);
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2010-01-23 06:25:27 +00:00
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$classes[] = new XmppManager($this); // handles pings/reconnects
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return true;
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}
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2010-08-31 05:01:55 +01:00
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function sendMessage($screenname, $body)
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2010-01-23 06:25:27 +00:00
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{
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2010-04-30 22:41:54 +01:00
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$this->queuedConnection()->message($screenname, $body, 'chat');
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2010-01-23 06:25:27 +00:00
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}
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2019-04-21 01:23:50 +01:00
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/**
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* Build a queue-proxied XMPP interface object. Any outgoing messages
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* will be run back through us for enqueing rather than sent directly.
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*
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* @return QueuedXMPP
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* @throws Exception if server settings are invalid.
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*/
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function queuedConnection()
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{
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if (!isset($this->server)) {
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// TRANS: Exception thrown when the plugin configuration is incorrect.
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throw new Exception(_m('You must specify a server in the configuration.'));
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}
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if (!isset($this->port)) {
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// TRANS: Exception thrown when the plugin configuration is incorrect.
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throw new Exception(_m('You must specify a port in the configuration.'));
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}
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if (!isset($this->user)) {
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// TRANS: Exception thrown when the plugin configuration is incorrect.
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throw new Exception(_m('You must specify a user in the configuration.'));
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}
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if (!isset($this->password)) {
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// TRANS: Exception thrown when the plugin configuration is incorrect.
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throw new Exception(_m('You must specify a password in the configuration.'));
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}
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return new QueuedXMPP($this, $this->host ?
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$this->host :
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$this->server,
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$this->port,
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$this->user,
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$this->password,
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$this->resource,
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$this->server,
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$this->debug ?
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true : false,
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$this->debug ?
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|
|
\XMPPHP\Log::LEVEL_VERBOSE : null
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2013-10-06 02:37:12 +01:00
|
|
|
function sendNotice($screenname, Notice $notice)
|
2010-01-23 06:25:27 +00:00
|
|
|
{
|
2016-03-28 10:33:52 +01:00
|
|
|
try {
|
2019-04-21 01:23:50 +01:00
|
|
|
$msg = $this->formatNotice($notice);
|
2016-03-28 10:33:52 +01:00
|
|
|
$entry = $this->format_entry($notice);
|
|
|
|
} catch (Exception $e) {
|
|
|
|
common_log(LOG_ERR, __METHOD__ . ": Discarding outgoing stanza because of exception: {$e->getMessage()}");
|
|
|
|
return false; // return value of sendNotice is never actually used as of now
|
|
|
|
}
|
2010-04-30 22:41:54 +01:00
|
|
|
$this->queuedConnection()->message($screenname, $msg, 'chat', null, $entry);
|
2010-01-23 06:25:27 +00:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* extra information for XMPP messages, as defined by Twitter
|
|
|
|
*
|
2019-04-21 01:23:50 +01:00
|
|
|
* @param Notice $notice Notice being sent
|
2010-01-23 06:25:27 +00:00
|
|
|
*
|
|
|
|
* @return string Extra information (Atom, HTML, addresses) in string format
|
|
|
|
*/
|
2013-10-05 11:30:52 +01:00
|
|
|
protected function format_entry(Notice $notice)
|
2010-01-23 06:25:27 +00:00
|
|
|
{
|
|
|
|
$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'));
|
2013-10-05 11:30:52 +01:00
|
|
|
$xs->element('a', array('href' => $profile->profileurl), $profile->nickname);
|
|
|
|
try {
|
2013-10-21 08:09:32 +01:00
|
|
|
$parent = $notice->getParent();
|
|
|
|
$orig_profile = $parent->getProfile();
|
2013-10-05 11:30:52 +01:00
|
|
|
$orig_profurl = $orig_profile->getUrl();
|
2013-10-05 09:36:48 +01:00
|
|
|
$xs->text(" => ");
|
2013-10-05 11:30:52 +01:00
|
|
|
$xs->element('a', array('href' => $orig_profurl), $orig_profile->nickname);
|
2013-10-05 09:36:48 +01:00
|
|
|
$xs->text(": ");
|
2015-06-02 12:50:52 +01:00
|
|
|
} catch (NoParentNoticeException $e) {
|
2013-10-05 09:36:48 +01:00
|
|
|
$xs->text(": ");
|
|
|
|
}
|
2016-01-01 17:40:11 +00:00
|
|
|
// FIXME: Why do we replace \t with ''? is it just to make it pretty? shouldn't whitespace be handled well...?
|
|
|
|
$xs->raw(str_replace("\t", "", $notice->getRendered()));
|
2010-01-23 06:25:27 +00:00
|
|
|
$xs->text(" ");
|
|
|
|
$xs->element('a', array(
|
2019-04-21 01:23:50 +01:00
|
|
|
'href' => common_local_url('conversation',
|
|
|
|
array('id' => $notice->conversation)) . '#notice-' . $notice->id),
|
|
|
|
// TRANS: Link description to notice in conversation.
|
|
|
|
// TRANS: %s is a notice ID.
|
|
|
|
sprintf(_m('[%u]'), $notice->id));
|
2010-01-23 06:25:27 +00:00
|
|
|
$xs->elementEnd('body');
|
|
|
|
$xs->elementEnd('html');
|
|
|
|
|
|
|
|
$html = $xs->getString();
|
|
|
|
|
|
|
|
return $html . ' ' . $entry;
|
|
|
|
}
|
|
|
|
|
2010-08-31 05:03:37 +01:00
|
|
|
function receiveRawMessage($pl)
|
2010-01-23 06:25:27 +00:00
|
|
|
{
|
|
|
|
$from = $this->normalize($pl['from']);
|
|
|
|
|
|
|
|
if ($pl['type'] != 'chat') {
|
2019-04-21 01:23:50 +01:00
|
|
|
$this->log(LOG_WARNING, "Ignoring message of type " . $pl['type'] . " from $from: " . $pl['xml']->toString());
|
2012-07-09 14:43:05 +01:00
|
|
|
return true;
|
2010-01-23 06:25:27 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (mb_strlen($pl['body']) == 0) {
|
2019-04-21 01:23:50 +01:00
|
|
|
$this->log(LOG_WARNING, "Ignoring message with empty body from $from: " . $pl['xml']->toString());
|
2012-07-09 14:43:05 +01:00
|
|
|
return true;
|
2010-01-23 06:25:27 +00:00
|
|
|
}
|
|
|
|
|
2010-08-31 05:11:57 +01:00
|
|
|
$this->handleIncoming($from, $pl['body']);
|
2011-06-15 12:20:23 +01:00
|
|
|
|
2010-04-30 22:41:54 +01:00
|
|
|
return true;
|
2010-01-23 06:25:27 +00:00
|
|
|
}
|
|
|
|
|
2010-04-30 22:41:54 +01:00
|
|
|
/**
|
2019-04-21 01:23:50 +01:00
|
|
|
* Normalizes a Jabber ID for comparison, dropping the resource component if any.
|
2011-06-15 12:20:23 +01:00
|
|
|
*
|
2019-04-21 01:23:50 +01:00
|
|
|
* @param string $jid JID to check
|
|
|
|
* @return string an equivalent JID in normalized (lowercase) form
|
2010-04-30 22:41:54 +01:00
|
|
|
*/
|
2019-04-21 01:23:50 +01:00
|
|
|
function normalize($jid)
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
$parts = $this->splitJid($jid);
|
|
|
|
if ($parts['node'] !== null) {
|
|
|
|
return $parts['node'] . '@' . $parts['domain'];
|
|
|
|
} else {
|
|
|
|
return $parts['domain'];
|
|
|
|
}
|
|
|
|
} catch (Exception $e) {
|
|
|
|
return null;
|
2010-01-23 06:25:27 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-08-26 21:52:21 +01:00
|
|
|
/**
|
|
|
|
* Add XMPP plugin daemon to the list of daemon to start
|
|
|
|
*
|
|
|
|
* @param array $daemons the list of daemons to run
|
|
|
|
*
|
|
|
|
* @return boolean hook return
|
|
|
|
*/
|
2013-06-19 12:25:28 +01:00
|
|
|
function onGetValidDaemons(&$daemons)
|
2012-08-26 21:52:21 +01:00
|
|
|
{
|
2019-04-21 01:23:50 +01:00
|
|
|
if (isset($this->server) &&
|
|
|
|
isset($this->port) &&
|
|
|
|
isset($this->user) &&
|
|
|
|
isset($this->password)) {
|
2012-08-26 22:20:03 +01:00
|
|
|
|
|
|
|
array_push(
|
|
|
|
$daemons,
|
|
|
|
INSTALLDIR
|
|
|
|
. '/scripts/imdaemon.php'
|
|
|
|
);
|
|
|
|
}
|
2012-08-26 21:52:21 +01:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2015-06-06 21:04:01 +01:00
|
|
|
function onPluginVersion(array &$versions)
|
2010-01-23 06:25:27 +00:00
|
|
|
{
|
|
|
|
$versions[] = array('name' => 'XMPP',
|
2019-04-21 01:23:50 +01:00
|
|
|
'version' => GNUSOCIAL_VERSION,
|
|
|
|
'author' => 'Craig Andrews, Evan Prodromou',
|
|
|
|
'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/XMPP',
|
|
|
|
'rawdescription' =>
|
|
|
|
// TRANS: Plugin description.
|
|
|
|
_m('The XMPP plugin allows users to send and receive notices over the XMPP/Jabber network.'));
|
2010-01-23 06:25:27 +00:00
|
|
|
return true;
|
|
|
|
}
|
2019-04-21 01:23:50 +01:00
|
|
|
|
|
|
|
/**
|
|
|
|
* 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;
|
|
|
|
}
|
|
|
|
}
|
2010-01-23 06:25:27 +00:00
|
|
|
}
|
|
|
|
|