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https://github.com/Mibew/design.git
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70 lines
2.2 KiB
PHP
70 lines
2.2 KiB
PHP
<?php
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/*
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* Copyright 2005-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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require_once('libs/init.php');
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require_once('libs/chat.php');
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require_once('libs/operator.php');
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require_once('libs/groups.php');
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require_once('libs/classes/thread.php');
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$referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : "";
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if($referer && isset($_SESSION['threadid'])) {
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$thread = Thread::load($_SESSION['threadid']);
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if ($thread && $thread->state != Thread::STATE_CLOSED) {
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$msg = getstring2_("chat.client.visited.page", array($referer), $thread->locale);
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$thread->postMessage(Thread::KIND_FOR_AGENT, $msg);
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}
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}
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$image = verifyparam(isset($_GET['image']) ? "image" : "i", "/^\w+$/", "webim");
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$lang = verifyparam(isset($_GET['language']) ? "language" : "lang", "/^[\w-]{2,5}$/", "");
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if(!$lang || !locale_exists($lang)) {
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$lang = $current_locale;
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}
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$groupid = verifyparam( "group", "/^\d{1,8}$/", "");
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if($groupid) {
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if(Settings::get('enablegroups') == '1') {
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$group = group_by_id($groupid);
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if(!$group) {
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$groupid = "";
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}
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} else {
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$groupid = "";
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}
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}
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$image_postfix = has_online_operators($groupid) ? "on" : "off";
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$filename = "locales/${lang}/button/${image}_${image_postfix}.gif";
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$fp = fopen($filename, 'rb') or die("no image");
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Cache-Control: no-store, no-cache, must-revalidate");
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header("Pragma: no-cache");
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header("Content-Type: image/gif");
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header("Content-Length: ".filesize($filename));
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if(function_exists('fpassthru')){
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@fpassthru($fp);
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} else {
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while( (!feof($fp)) && (connection_status()==0)){
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print(fread($fp, 1024*8));
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flush();
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}
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fclose($fp);
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}
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exit;
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?>
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