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index.php
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index.php
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<?php
/***************************************
* http://www.program-o.com
* PROGRAM O
* Version: 2.6.7
* FILE: index.php
* AUTHOR: Elizabeth Perreau and Dave Morton
* DATE: 07-23-2013
* DETAILS: This is the XML GUI interface for Program O
***************************************/
$e_all = defined('E_DEPRECATED') ? E_ALL & ~E_DEPRECATED : E_ALL;
error_reporting($e_all);
ini_set('log_errors', true);
ini_set('error_log', '../../logs/gui.xml.error.log');
ini_set('html_errors', false);
ini_set('display_errors', false);
require_once('parseBBCode.php');
// Experimental code
$protocol = 'http://';
if ((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off')
|| $_SERVER['SERVER_PORT'] == 443
|| (isset($_SERVER['HTTP_X_FORWARDED_PORT']) && $_SERVER['HTTP_X_FORWARDED_PORT'] == 443))
{
$protocol = 'https://';
}
$base_URL = $protocol . $_SERVER['HTTP_HOST']; // set domain name for the script
$this_path = str_replace(DIRECTORY_SEPARATOR, '/', realpath(dirname(__FILE__))); // The current location of this file, normalized to use forward slashes
$this_path = str_replace($_SERVER['DOCUMENT_ROOT'], $base_URL, $this_path); // transform it from a file path to a URL
$url = str_replace('gui/xml', 'chatbot/conversation_start.php', $this_path); // and set it to the correct script location
/*
Example URL's for use with the chatbot API
$url = 'http://api.program-o.com/v2.3.1/chatbot/';
$url = 'http://localhost/Program-O/Program-O/chatbot/conversation_start.php';
$url = 'chat.php';
*/
$display = "The URL for the API is currently set as: <br /><br />\n$url.<br /><br />\n";
$display .= 'Please make sure that you edit this file to change the value of the variable $url in this file to reflect the correct URL address of your chatbot, and to remove this message.' . PHP_EOL;
#$display = '';
$display_template = <<<end_display
<span class="user_name">[user_name]: </span><span class="user_say">[input]</span><br>
<span class="bot_name">[bot_name]: </span><span class="bot_say">[response]</span><br>
end_display;
$options = array(
'say' => FILTER_SANITIZE_STRING,
'format' => FILTER_SANITIZE_STRING,
'bot_id' => FILTER_SANITIZE_STRING,
'convo_id' => array(
'filter' => FILTER_CALLBACK,
'options' => 'validateConvoId'
)
);
$post_vars = filter_input_array(INPUT_POST, $options);
$get_vars = filter_input_array(INPUT_GET, $options);
$request_vars = array_merge((array)$get_vars, (array)$post_vars);
//echo ("<!-- POST vars:\n" . print_r($_POST, true) . "\nGET vars:\n" . print_r($_GET, true) . "\$request_vars:\n" . print_r($request_vars, true) . "\n-->\n");
$convo_id = (isset ($request_vars['convo_id'])) ? $request_vars['convo_id'] : get_convo_id();
$bot_id = (isset ($request_vars['bot_id'])) ? $request_vars['bot_id'] : 1;
if (!empty ($post_vars))
{
$options = array(
CURLOPT_USERAGENT => 'Program_O_XML_API',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => true,
//CURLOPT_CONNECTTIMEOUT => 3,
);
$ch = curl_init($url);
curl_setopt_array($ch, $options);
curl_setopt($ch, CURLOPT_POSTFIELDS, $request_vars);
$data = curl_exec($ch);
curl_close($ch);
try
{
$xml = new SimpleXMLElement($data);
$display = '';
$success = $xml->status->success;
if (isset($xml->status->message))
{
$message = (string)$xml->status->message;
$display = 'There was an error in the script. Message = ' . $message;
}
else
{
$user_name = (string)$xml->user_name;
$bot_name = (string)$xml->bot_name;
$chat = $xml->chat;
$lines = $chat->xpath('line');
foreach ($lines as $line)
{
$input = (string)$line->input;
$response = (string)$line->response;
$tmp_row = str_replace('[user_name]', $user_name, $display_template);
$tmp_row = str_replace('[bot_name]', $bot_name, $tmp_row);
$tmp_row = str_replace('[input]', $input, $tmp_row);
$tmp_row = str_replace('[response]', $response, $tmp_row);
$display .= $tmp_row;
}
}
}
catch (Exception $e)
{
$display = 'You can\'t have a conversation without saying something. Please try again.';
error_log('$data = ' . print_r($data, true), 3, '../../logs/XML.GUI.error.log');
}
}
$display = checkForParsing($display); // comment out this line to disable BBCode parsing for this page
/**
* Function get_convo_id
*
*
* @return string
*/
function get_convo_id()
{
if (isset($_COOKIE['Program_O_XML_API']))
{
$convo_id = $_COOKIE['Program_O_XML_API'];
}
else
{
session_name('Program_O_XML_API');
session_start();
$convo_id = session_id();
session_destroy();
}
return $convo_id;
}
function validateConvoId($convo_id)
{
$id = htmlentities($convo_id);
return ($id === $convo_id) ? $convo_id : get_convo_id();
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<link rel="icon" href="./favicon.ico" type="image/x-icon"/>
<link rel="shortcut icon" href="./favicon.ico" type="image/x-icon"/>
<title>Program O AIML Chatbot</title>
<meta name="Description" content="A Free Open Source AIML PHP MySQL Chatbot called Program-O. Version2"/>
<meta name="keywords" content="Open Source, AIML, PHP, MySQL, Chatbot, Program-O, Version2"/>
<style type="text/css">
h3 {
text-align: center;
}
.user_name {
color: rgb(16, 45, 178);
}
.bot_name {
color: rgb(204, 0, 0);
}
#shameless_plug {
position: absolute;
right: 10px;
bottom: 10px;
border: 1px solid red;
box-sizing: border-box;
-moz-box-sizing: border-box;
box-shadow: 2px 2px 2px 0 #808080;
padding: 5px;
border-radius: 5px;
}
#convo_id {
position: absolute;
top: 10px;
right: 10px;
border: 1px solid red;
box-sizing: border-box;
-moz-box-sizing: border-box;
box-shadow: 2px 2px 2px 0 #808080;
padding: 5px;
border-radius: 5px;
}
</style>
</head>
<body onload="document.forms[0].say.focus();">
<h3>Program O XML GUI</h3>
<!-- The DIV below is for debugging purposes, and can be safely removed, if desired. -->
<div id="convo_id">Conversion ID: <?php echo $convo_id; ?></div>
<form accept-charset="utf-8" method="post" action="index.php">
<p>
<input type="text" name="say" id="say" size="70"/>
<input id="bot_id" type="hidden" name="bot_id" value="<?php echo $bot_id ?>">
<input id="convo_id" type="hidden" name="convo_id" value="<?php echo $convo_id ?>">
<input id="format" type="hidden" name="format" value="xml">
<input type="submit" value="Chat"/>
</p>
</form>
<div id="response">
<?php echo $display ?>
</div>
<div id="shameless_plug">
To get your very own chatbot, visit <a href="http://www.program-o.com">program-o.com</a>!
</div>
</body>
</html>