85fd47aa52
darcs-hash:20080626080214-34904-88d67a23cbdde21dd74064e6e0c401fb7204699a.gz
219 lines
5.6 KiB
PHP
219 lines
5.6 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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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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# Abort if called from a web server
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if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
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print "This script must be run from the command line\n";
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exit();
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}
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define('INSTALLDIR', dirname(__FILE__));
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define('LACONICA', true);
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require_once(INSTALLDIR . '/lib/common.php');
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require_once(INSTALLDIR . '/lib/jabber.php');
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class XMPPDaemon {
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function XMPPDaemon($resource=NULL) {
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static $attrs = array('server', 'port', 'user', 'password',
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'resource', 'host');
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foreach ($attrs as $attr)
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{
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$this->$attr = common_config('xmpp', $attr);
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}
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if ($resource) {
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$this->resource = $resource;
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}
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}
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function connect() {
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$this->conn = jabber_connect($this->resource,
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"Send me a message to post a notice");
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if (!$this->conn) {
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return false;
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}
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return !$this->conn->disconnected;
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}
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function handle() {
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while(!$this->conn->disconnected) {
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$payloads = $this->conn->processUntil(array('message', 'presence',
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'end_stream', 'session_start'));
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foreach($payloads as $event) {
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$pl = $event[1];
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switch($event[0]) {
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case 'message':
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$this->handle_message($pl);
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break;
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case 'presence':
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$this->handle_presence($pl);
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break;
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case 'session_start':
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$this->handle_session($pl);
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break;
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}
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}
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}
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}
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function handle_message(&$pl) {
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if ($pl['type'] != 'chat') {
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return;
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}
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if (strlen($pl['body']) == 0) {
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return;
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}
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$from = jabber_normalize_jid($pl['from']);
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$user = User::staticGet('jabber', $from);
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if (!$user) {
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$this->log(LOG_WARNING, 'Message from unknown user ' . $from);
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return;
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}
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if ($this->handle_command($user, $pl['body'])) {
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return;
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} else {
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$this->add_notice($user, $pl);
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}
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}
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function handle_command($user, $body) {
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# XXX: localise
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switch(trim($body)) {
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case 'on':
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$this->set_notify($user, true);
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return true;
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case 'off':
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$this->set_notify($user, false);
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return true;
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default:
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return false;
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}
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}
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function set_notify(&$user, $notify) {
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$orig = clone($user);
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$user->jabbernotify = $notify;
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$result = $user->update($orig);
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if (!$id) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not set notify flag to ' . $notify .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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} else {
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$this->log(LOG_INFO,
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'User ' . $user->nickname . ' set notify flag to ' . $notify);
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}
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}
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function add_notice(&$user, &$pl) {
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$notice = new Notice();
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$notice->profile_id = $user->id;
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$notice->content = trim(substr($pl['body'], 0, 140));
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$notice->created = DB_DataObject_Cast::dateTime();
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$notice->query('BEGIN');
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$id = $notice->insert();
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if (!$id) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not insert ' . common_log_objstring($notice) .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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return;
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}
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$orig = clone($notice);
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$notice->uri = common_notice_uri($notice);
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$result = $notice->update($orig);
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if (!$result) {
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$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
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$this->log(LOG_ERROR,
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'Could not add URI to ' . common_log_objstring($notice) .
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' for user ' . common_log_objstring($user) .
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': ' . $last_error->message);
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return;
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}
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$notice->query('COMMIT');
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common_broadcast_notice($notice);
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$this->log(LOG_INFO,
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'Added notice ' . $notice->id . ' from user ' . $user->nickname);
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}
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function handle_presence(&$pl) {
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$from = jabber_normalize_jid($pl['from']);
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switch ($pl['type']) {
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case 'subscribe':
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# We let anyone subscribe
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$this->subscribed($from);
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break;
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case 'subscribed':
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case 'unsubscribe':
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case 'unsubscribed':
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# XXX: do we care?
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break;
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default:
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if (!$pl['type']) {
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$user = User::staticGet('jabber', $from);
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if (!$user) {
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$this->log(LOG_WARNING, 'Message from unknown user ' . $from);
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return;
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}
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if ($user->updatefrompresence) {
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$this->add_notice($user, $pl);
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}
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}
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break;
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}
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}
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function log($level, $msg) {
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common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
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}
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function subscribed($to) {
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$this->special_presence('subscribed', $to);
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}
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function special_presence($type, $to=NULL, $show=NULL, $status=NULL) {
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$to = htmlspecialchars($to);
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$status = htmlspecialchars($status);
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$out = "<presence";
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if($to) $out .= " to='$to'";
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if($type) $out .= " type='$type'";
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if($show == 'available' and !$status) {
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$out .= "/>";
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} else {
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$out .= ">";
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if($show && ($show != 'available')) $out .= "<show>$show</show>";
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if($status) $out .= "<status>$status</status>";
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$out .= "</presence>";
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}
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$this->conn->send($out);
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}
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}
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$daemon = new XMPPDaemon();
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if ($daemon->connect()) {
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$daemon->handle();
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}
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?>
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