Create IM plugin, Pluginize XMPP, Create AIM plugin

1 files changed, 0 insertions, 485 deletions

diff --git a/lib/xmppmanager.php b/lib/xmppmanager.php
deleted file mode 100644
index 985e7c32e..000000000
--- a/lib/xmppmanager.php
+++ /dev/null
@@ -1,485 +0,0 @@
-<?php
-/*
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2008, 2009, StatusNet, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
-/**
- * XMPP background connection manager for XMPP-using queue handlers,
- * allowing them to send outgoing messages on the right connection.
- *
- * Input is handled during socket select loop, keepalive pings during idle.
- * Any incoming messages will be forwarded to the main XmppDaemon process,
- * which handles direct user interaction.
- *
- * In a multi-site queuedaemon.php run, one connection will be instantiated
- * for each site being handled by the current process that has XMPP enabled.
- */
-
-class XmppManager extends IoManager
-{
-    protected $site = null;
-    protected $pingid = 0;
-    protected $lastping = null;
-
-    static protected $singletons = array();
-    
-    const PING_INTERVAL = 120;
-
-    /**
-     * Fetch the singleton XmppManager for the current site.
-     * @return mixed XmppManager, or false if unneeded
-     */
-    public static function get()
-    {
-        if (common_config('xmpp', 'enabled')) {
-            $site = common_config('site', 'server');
-            if (empty(self::$singletons[$site])) {
-                self::$singletons[$site] = new XmppManager();
-            }
-            return self::$singletons[$site];
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Tell the i/o master we need one instance for each supporting site
-     * being handled in this process.
-     */
-    public static function multiSite()
-    {
-        return IoManager::INSTANCE_PER_SITE;
-    }
-
-    function __construct()
-    {
-        $this->site = common_config('site', 'server');
-        $this->resource = common_config('xmpp', 'resource') . 'daemon';
-    }
-
-    /**
-     * Initialize connection to server.
-     * @return boolean true on success
-     */
-    public function start($master)
-    {
-        parent::start($master);
-        $this->switchSite();
-
-        require_once INSTALLDIR . "/lib/jabber.php";
-
-        # Low priority; we don't want to receive messages
-
-        common_log(LOG_INFO, "INITIALIZE");
-        $this->conn = jabber_connect($this->resource);
-
-        if (empty($this->conn)) {
-            common_log(LOG_ERR, "Couldn't connect to server.");
-            return false;
-        }
-
-        $this->log(LOG_DEBUG, "Initializing stanza handlers.");
-
-        $this->conn->addEventHandler('message', 'handle_message', $this);
-        $this->conn->addEventHandler('presence', 'handle_presence', $this);
-        $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
-
-        $this->conn->setReconnectTimeout(600);
-        jabber_send_presence("Send me a message to post a notice", 'available', null, 'available', 100);
-
-        return !is_null($this->conn);
-    }
-
-    /**
-     * Message pump is triggered on socket input, so we only need an idle()
-     * call often enough to trigger our outgoing pings.
-     */
-    function timeout()
-    {
-        return self::PING_INTERVAL;
-    }
-
-    /**
-     * Lists the XMPP connection socket to allow i/o master to wake
-     * when input comes in here as well as from the queue source.
-     *
-     * @return array of resources
-     */
-    public function getSockets()
-    {
-        if ($this->conn) {
-            return array($this->conn->getSocket());
-        } else {
-            return array();
-        }
-    }
-
-    /**
-     * Process XMPP events that have come in over the wire.
-     * Side effects: may switch site configuration
-     * @fixme may kill process on XMPP error
-     * @param resource $socket
-     */
-    public function handleInput($socket)
-    {
-        $this->switchSite();
-
-        # Process the queue for as long as needed
-        try {
-            if ($this->conn) {
-                assert($socket === $this->conn->getSocket());
-                
-                common_log(LOG_DEBUG, "Servicing the XMPP queue.");
-                $this->stats('xmpp_process');
-                $this->conn->processTime(0);
-            }
-        } catch (XMPPHP_Exception $e) {
-            common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
-            die($e->getMessage());
-        }
-    }
-
-    /**
-     * Idle processing for io manager's execution loop.
-     * Send keepalive pings to server.
-     *
-     * Side effect: kills process on exception from XMPP library.
-     *
-     * @fixme non-dying error handling
-     */
-    public function idle($timeout=0)
-    {
-        if ($this->conn) {
-            $now = time();
-            if (empty($this->lastping) || $now - $this->lastping > self::PING_INTERVAL) {
-                $this->switchSite();
-                try {
-                    $this->sendPing();
-                    $this->lastping = $now;
-                } catch (XMPPHP_Exception $e) {
-                    common_log(LOG_ERR, "Got an XMPPHP_Exception: " . $e->getMessage());
-                    die($e->getMessage());
-                }
-            }
-        }
-    }
-
-    /**
-     * For queue handlers to pass us a message to push out,
-     * if we're active.
-     *
-     * @fixme should this be blocking etc?
-     *
-     * @param string $msg XML stanza to send
-     * @return boolean success
-     */
-    public function send($msg)
-    {
-        if ($this->conn && !$this->conn->isDisconnected()) {
-            $bytes = $this->conn->send($msg);
-            if ($bytes > 0) {
-                $this->conn->processTime(0);
-                return true;
-            } else {
-                return false;
-            }
-        } else {
-            // Can't send right now...
-            return false;
-        }
-    }
-
-    /**
-     * Send a keepalive ping to the XMPP server.
-     */
-    protected function sendPing()
-    {
-        $jid = jabber_daemon_address().'/'.$this->resource;
-        $server = common_config('xmpp', 'server');
-
-        if (!isset($this->pingid)) {
-            $this->pingid = 0;
-        } else {
-            $this->pingid++;
-        }
-
-        common_log(LOG_DEBUG, "Sending ping #{$this->pingid}");
-
-        $this->conn->send("<iq from='{$jid}' to='{$server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
-    }
-
-    /**
-     * Callback for Jabber reconnect event
-     * @param $pl
-     */
-    function handle_reconnect(&$pl)
-    {
-        common_log(LOG_NOTICE, 'XMPP reconnected');
-
-        $this->conn->processUntil('session_start');
-        $this->conn->presence(null, 'available', null, 'available', 100);
-    }
-
-
-    function get_user($from)
-    {
-        $user = User::staticGet('jabber', jabber_normalize_jid($from));
-        return $user;
-    }
-
-    /**
-     * XMPP callback for handling message input...
-     * @param array $pl XMPP payload
-     */
-    function handle_message(&$pl)
-    {
-        $from = jabber_normalize_jid($pl['from']);
-
-        if ($pl['type'] != 'chat') {
-            $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from.");
-            return;
-        }
-
-        if (mb_strlen($pl['body']) == 0) {
-            $this->log(LOG_WARNING, "Ignoring message with empty body from $from.");
-            return;
-        }
-
-        // Forwarded from another daemon for us to handle; this shouldn't
-        // happen any more but we might get some legacy items.
-        if ($this->is_self($from)) {
-            $this->log(LOG_INFO, "Got forwarded notice from self ($from).");
-            $from = $this->get_ofrom($pl);
-            $this->log(LOG_INFO, "Originally sent by $from.");
-            if (is_null($from) || $this->is_self($from)) {
-                $this->log(LOG_INFO, "Ignoring notice originally sent by $from.");
-                return;
-            }
-        }
-
-        $user = $this->get_user($from);
-
-        // For common_current_user to work
-        global $_cur;
-        $_cur = $user;
-
-        if (!$user) {
-            $this->from_site($from, 'Unknown user; go to ' .
-                             common_local_url('imsettings') .
-                             ' to add your address to your account');
-            $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
-            return;
-        }
-        if ($this->handle_command($user, $pl['body'])) {
-            $this->log(LOG_INFO, "Command message by $from handled.");
-            return;
-        } else if ($this->is_autoreply($pl['body'])) {
-            $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
-            return;
-        } else if ($this->is_otr($pl['body'])) {
-            $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
-            return;
-        } else {
-
-            $this->log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
-
-            $this->add_notice($user, $pl);
-        }
-
-        $user->free();
-        unset($user);
-        unset($_cur);
-
-        unset($pl['xml']);
-        $pl['xml'] = null;
-
-        $pl = null;
-        unset($pl);
-    }
-
-
-    function is_self($from)
-    {
-        return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
-    }
-
-    function get_ofrom($pl)
-    {
-        $xml = $pl['xml'];
-        $addresses = $xml->sub('addresses');
-        if (!$addresses) {
-            $this->log(LOG_WARNING, 'Forwarded message without addresses');
-            return null;
-        }
-        $address = $addresses->sub('address');
-        if (!$address) {
-            $this->log(LOG_WARNING, 'Forwarded message without address');
-            return null;
-        }
-        if (!array_key_exists('type', $address->attrs)) {
-            $this->log(LOG_WARNING, 'No type for forwarded message');
-            return null;
-        }
-        $type = $address->attrs['type'];
-        if ($type != 'ofrom') {
-            $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
-            return null;
-        }
-        if (!array_key_exists('jid', $address->attrs)) {
-            $this->log(LOG_WARNING, 'No jid for forwarded message');
-            return null;
-        }
-        $jid = $address->attrs['jid'];
-        if (!$jid) {
-            $this->log(LOG_WARNING, 'Could not get jid from address');
-            return null;
-        }
-        $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
-        return $jid;
-    }
-
-    function is_autoreply($txt)
-    {
-        if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
-            return true;
-        } else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function is_otr($txt)
-    {
-        if (preg_match('/^\?OTR/', $txt)) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function from_site($address, $msg)
-    {
-        $text = '['.common_config('site', 'name') . '] ' . $msg;
-        jabber_send_message($address, $text);
-    }
-
-    function handle_command($user, $body)
-    {
-        $inter = new CommandInterpreter();
-        $cmd = $inter->handle_command($user, $body);
-        if ($cmd) {
-            $chan = new XMPPChannel($this->conn);
-            $cmd->execute($chan);
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    function add_notice(&$user, &$pl)
-    {
-        $body = trim($pl['body']);
-        $content_shortened = common_shorten_links($body);
-        if (Notice::contentTooLong($content_shortened)) {
-          $from = jabber_normalize_jid($pl['from']);
-          $this->from_site($from, sprintf(_('Message too long - maximum is %1$d characters, you sent %2$d.'),
-                                          Notice::maxContent(),
-                                          mb_strlen($content_shortened)));
-          return;
-        }
-
-        try {
-            $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
-        } catch (Exception $e) {
-            $this->log(LOG_ERR, $e->getMessage());
-            $this->from_site($user->jabber, $e->getMessage());
-            return;
-        }
-
-        common_broadcast_notice($notice);
-        $this->log(LOG_INFO,
-                   'Added notice ' . $notice->id . ' from user ' . $user->nickname);
-        $notice->free();
-        unset($notice);
-    }
-
-    function handle_presence(&$pl)
-    {
-        $from = jabber_normalize_jid($pl['from']);
-        switch ($pl['type']) {
-         case 'subscribe':
-            # We let anyone subscribe
-            $this->subscribed($from);
-            $this->log(LOG_INFO,
-                       'Accepted subscription from ' . $from);
-            break;
-         case 'subscribed':
-         case 'unsubscribed':
-         case 'unsubscribe':
-            $this->log(LOG_INFO,
-                       'Ignoring  "' . $pl['type'] . '" from ' . $from);
-            break;
-         default:
-            if (!$pl['type']) {
-                $user = User::staticGet('jabber', $from);
-                if (!$user) {
-                    $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
-                    return;
-                }
-                if ($user->updatefrompresence) {
-                    $this->log(LOG_INFO, 'Updating ' . $user->nickname .
-                               ' status from presence.');
-                    $this->add_notice($user, $pl);
-                }
-                $user->free();
-                unset($user);
-            }
-            break;
-        }
-        unset($pl['xml']);
-        $pl['xml'] = null;
-
-        $pl = null;
-        unset($pl);
-    }
-
-    function log($level, $msg)
-    {
-        $text = 'XMPPDaemon('.$this->resource.'): '.$msg;
-        common_log($level, $text);
-    }
-
-    function subscribed($to)
-    {
-        jabber_special_presence('subscribed', $to);
-    }
-
-    /**
-     * Make sure we're on the right site configuration
-     */
-    protected function switchSite()
-    {
-        if ($this->site != common_config('site', 'server')) {
-            common_log(LOG_DEBUG, __METHOD__ . ": switching to site $this->site");
-            $this->stats('switch');
-            StatusNet::init($this->site);
-        }
-    }
-}