sampleb.php
Código PHP:
<?php
include('config.php');
session_start();
$_SESSION['username'] = "$_SESSION[usuario]" // Must be already set
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd" >
<html>
<head>
<title>Sample Chat Application</title>
<style>
body {
background-color: #eeeeee;
padding:0;
margin:0 auto;
font-family:"Lucida Grande",Verdana,Arial,"Bitstream Vera Sans",sans-serif;
font-size:11px;
}
</style>
<link type="text/css" rel="stylesheet" media="all" href="css/chat.css" />
<link type="text/css" rel="stylesheet" media="all" href="css/screen.css" />
<!--[if lte IE 7]>
<link type="text/css" rel="stylesheet" media="all" href="css/screen_ie.css" />
<![endif]-->
</head>
<body>
<div id="main_container">
<a href="javascript:void(0)" onclick="javascript:chatWith('johndoe')">Chat With John Doe</a>
<a href="javascript:void(0)" onclick="javascript:chatWith('babydoe')">Chat With Baby Doe</a>
<!-- YOUR BODY HERE -->
</div>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/chat.js"></script>
</body>
</html> Código PHP:
<?php
/*
Copyright (c) 2009 Anant Garg (anantgarg.com | inscripts.com)
This script may be used for non-commercial purposes only. For any
commercial purposes, please contact the author at
[email protected]
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
define ('DBPATH','sql.201.byethost15.com');
define ('DBUSER','user');
define ('DBPASS','pass');
define ('DBNAME','b15_5229524_estacion');
session_start();
global $dbh;
$dbh = mysql_connect(DBPATH,DBUSER,DBPASS);
mysql_selectdb(DBNAME,$dbh);
if ($_GET['action'] == "chatheartbeat") { chatHeartbeat(); }
if ($_GET['action'] == "sendchat") { sendChat(); }
if ($_GET['action'] == "closechat") { closeChat(); }
if ($_GET['action'] == "startchatsession") { startChatSession(); }
if (!isset($_SESSION['chatHistory'])) {
$_SESSION['chatHistory'] = array();
}
if (!isset($_SESSION['openChatBoxes'])) {
$_SESSION['openChatBoxes'] = array();
}
function chatHeartbeat() {
$sql = "select * from chat where (chat.to = '".mysql_real_escape_string($_SESSION['username'])."' AND recd = 0) order by id ASC";
$query = mysql_query($sql);
$items = '';
$chatBoxes = array();
while ($chat = mysql_fetch_array($query)) {
if (!isset($_SESSION['openChatBoxes'][$chat['from']]) && isset($_SESSION['chatHistory'][$chat['from']])) {
$items = $_SESSION['chatHistory'][$chat['from']];
}
$chat['message'] = sanitize($chat['message']);
$items .= <<<EOD
{
"s": "0",
"f": "{$chat['from']}",
"m": "{$chat['message']}"
},
EOD;
if (!isset($_SESSION['chatHistory'][$chat['from']])) {
$_SESSION['chatHistory'][$chat['from']] = '';
}
$_SESSION['chatHistory'][$chat['from']] .= <<<EOD
{
"s": "0",
"f": "{$chat['from']}",
"m": "{$chat['message']}"
},
EOD;
unset($_SESSION['tsChatBoxes'][$chat['from']]);
$_SESSION['openChatBoxes'][$chat['from']] = $chat['sent'];
}
if (!empty($_SESSION['openChatBoxes'])) {
foreach ($_SESSION['openChatBoxes'] as $chatbox => $time) {
if (!isset($_SESSION['tsChatBoxes'][$chatbox])) {
$now = time()-strtotime($time);
$time = date('g:iA M dS', strtotime($time));
$message = "Sent at $time";
if ($now > 180) {
$items .= <<<EOD
{
"s": "2",
"f": "$chatbox",
"m": "{$message}"
},
EOD;
if (!isset($_SESSION['chatHistory'][$chatbox])) {
$_SESSION['chatHistory'][$chatbox] = '';
}
$_SESSION['chatHistory'][$chatbox] .= <<<EOD
{
"s": "2",
"f": "$chatbox",
"m": "{$message}"
},
EOD;
$_SESSION['tsChatBoxes'][$chatbox] = 1;
}
}
}
}
$sql = "update chat set recd = 1 where chat.to = '".mysql_real_escape_string($_SESSION['username'])."' and recd = 0";
$query = mysql_query($sql);
if ($items != '') {
$items = substr($items, 0, -1);
}
header('Content-type: application/json');
?>
{
"items": [
<?php echo $items;?>
]
}
<?php
exit(0);
}
function chatBoxSession($chatbox) {
$items = '';
if (isset($_SESSION['chatHistory'][$chatbox])) {
$items = $_SESSION['chatHistory'][$chatbox];
}
return $items;
}
function startChatSession() {
$items = '';
if (!empty($_SESSION['openChatBoxes'])) {
foreach ($_SESSION['openChatBoxes'] as $chatbox => $void) {
$items .= chatBoxSession($chatbox);
}
}
if ($items != '') {
$items = substr($items, 0, -1);
}
header('Content-type: application/json');
?>
{
"username": "<?php echo $_SESSION['username'];?>",
"items": [
<?php echo $items;?>
]
}
<?php
exit(0);
}
function sendChat() {
$from = $_SESSION['username'];
$to = $_POST['to'];
$message = $_POST['message'];
$_SESSION['openChatBoxes'][$_POST['to']] = date('Y-m-d H:i:s', time());
$messagesan = sanitize($message);
if (!isset($_SESSION['chatHistory'][$_POST['to']])) {
$_SESSION['chatHistory'][$_POST['to']] = '';
}
$_SESSION['chatHistory'][$_POST['to']] .= <<<EOD
{
"s": "1",
"f": "{$to}",
"m": "{$messagesan}"
},
EOD;
unset($_SESSION['tsChatBoxes'][$_POST['to']]);
$sql = "insert into chat (chat.from,chat.to,message,sent) values ('".mysql_real_escape_string($from)."', '".mysql_real_escape_string($to)."','".mysql_real_escape_string($message)."',NOW())";
$query = mysql_query($sql);
echo "1";
exit(0);
}
function closeChat() {
unset($_SESSION['openChatBoxes'][$_POST['chatbox']]);
echo "1";
exit(0);
}
function sanitize($text) {
$text = htmlspecialchars($text, ENT_QUOTES);
$text = str_replace("\n\r","\n",$text);
$text = str_replace("\r\n","\n",$text);
$text = str_replace("\n","<br>",$text);
return $text;
} 
