public static function get_response($in_input)
{
if (JxBotConverse::user_input_looks_strange($in_input)) {
return 'Your last comment looks a bit strange.';
}
// ** configurable?
/* cap general server requests (safety); should be configurable
as people have different host specs; 300 recommended for small shared host */
$cap_bot_ipm = JxBotConfig::option('sys_cap_bot_ipm', 300);
if ($cap_bot_ipm > 0) {
$stmt = JxBotDB::$db->prepare('SELECT COUNT(*) FROM log
WHERE stamp >= DATE_SUB(NOW(), INTERVAL 1 MINUTE)');
$stmt->execute();
$last_min_total = intval($stmt->fetchAll(PDO::FETCH_NUM)[0][0]);
if ($last_min_total >= $cap_bot_ipm) {
return 'Sorry, I\'m too busy to chat right now. Please come back later.';
}
}
/* count interaction */
JxBotDB::$db->exec('UPDATE stats SET interactions = interactions + 1');
/* start timer */
$start_time = microtime(true);
/* initalize tracking variables */
JxBotConverse::$match_time = 0.0;
JxBotConverse::$service_time = 0.0;
JxBotConverse::$iq_score = 0.0;
JxBotConverse::$category_stack = array();
$fault = false;
/* run the bot */
try {
$output = JxBotConverse::srai($in_input);
} catch (Exception $err) {
$output = $err->getMessage();
$fault = true;
}
/* end timer */
$end_time = microtime(true);
//print 'IQ '.JxBotConverse::$iq_score. '<br>';
/* log this interaction */
if (trim($output) == '') {
$fault = true;
}
if ($fault) {
JxBotConverse::$iq_score = -1;
}
JxBotConverse::log($in_input, $output, $end_time - $start_time, JxBotConverse::$match_time, JxBotConverse::$service_time, JxBotConverse::$iq_score);
/* return the bot response */
if ($fault) {
return 'I do apologise. I seem to be experiencing a positronic malfunction.';
}
return $output;
}
} else {
if (isset($_POST['bot_name'])) {
//JxBotConfig::set_option('bot_name', $_POST['bot_name']);
foreach ($_POST as $key => $value) {
if (substr($key, 0, 4) == 'bot_') {
JxBotConfig::set_option($key, $value);
}
}
JxBotConfig::save_configuration();
}
?>
<p><div class="field"><label for="bot_name">Bot Name: </label>
<input type="text" name="bot_name" id="bot_name" size="40" value="<?php
print JxBotConfig::option('bot_name');
?>
"></div></p>
<div class="field"><label for="bot_birthday">Birthday: </label>
<input type="text" name="bot_birthday" id="bot_birthday" size="12" value="<?php
print JxBotConfig::option('bot_birthday');
?>
"> (YYYY/MM/DD)</div>
<p><input type="submit" value="Save"></p>
<?php
}
?>
</div>
<h2>Language Processing</h2>
<div class="field"><label for="pre_strip_accents">Strip Accents:</label>
<?php
JxWidget::toggle_switch('pre_strip_accents', JxBotConfig::option('pre_strip_accents'));
?>
<br><small>(strip accents during normalisation; good for English)</small></div>
<h2>Security</h2>
<div class="field"><label for="sys_cap_bot_ipm">Bot Load Maximum: </label>
<input type="text" name="sys_cap_bot_ipm" id="sys_cap_bot_ipm" size="6" value="<?php
print JxBotConfig::option('sys_cap_bot_ipm');
?>
"><br><small>(interactions per minute; 0 = unlimited)</small></div>
<div class="field"><label for="admin_timeout">Administration Timeout: </label>
<input type="text" name="admin_timeout" id="admin_timeout" size="6" value="<?php
print JxBotConfig::option('admin_timeout');
?>
"><br><small>(minutes; 0 = no timeout)</small></div>
<p class="left" id="buttons"><button type="submit" name="action" value="save">Save</button></p>
}
JxBotConfig::save_configuration();
}
?>
<div class="field"><label for="bot_active">Online:</label>
<?php
JxWidget::toggle_switch('bot_active', JxBotConfig::option('bot_active'));
?>
</div>
<div class="field"><label for="admin_user">Administration Username: </label>
<input type="text" name="admin_user" id="admin_user" size="20" value="<?php
print JxBotConfig::option('admin_user');
?>
"></div>
<div class="field"><label for="bot_password">Change Password: </label>
<input type="text" name="bot_password" id="bot_password" size="20"></div>
<p class="left" id="buttons"><button type="submit" name="action" value="save">Save</button></p>
<?php
}
}
private static function get_configuration()
{
$inputs = JxBotUtil::inputs('db_host,db_name,db_prefix,db_username,db_password,bot_tz,bot_name,admin_password');
$config = '';
$config .= "<?php\n\n";
$config .= '$jxbot[\'db_host\'] = "' . $inputs['db_host'] . "\";\n";
$config .= '$jxbot[\'db_name\'] = "' . $inputs['db_name'] . "\";\n";
$config .= '$jxbot[\'db_prefix\'] = "' . $inputs['db_prefix'] . "\";\n";
$config .= '$jxbot[\'db_username\'] = "' . $inputs['db_username'] . "\";\n";
$config .= '$jxbot[\'db_password\'] = "' . $inputs['db_password'] . "\";\n\n";
$config .= '$jxbot[\'bot_url\'] = "' . JxBotConfig::option('bot_url') . "\";\n\n";
return $config;
}
public static function widget_timezone()
{
?>
<select name="bot_tz" id="bot_tz">
<option value=""></option>
<?php
$timezone_identifiers = DateTimeZone::listIdentifiers();
foreach ($timezone_identifiers as $tz) {
print '<option value="' . $tz . '" ' . (JxBotConfig::option('bot_tz') == $tz ? ' selected="true"' : '') . '>' . $tz . '</option>';
}
?>
</select>
<?php
}
public static function check_and_login()
{
$inputs = JxBotUtil::inputs('username,password');
/* check the user hasn't logged in too often recently */
$stmt = JxBotDB::$db->prepare('SELECT COUNT(*) FROM login
WHERE stamp > DATE_SUB(NOW(), INTERVAL 1 MINUTE)
AND username=?');
$stmt->execute(array($inputs['username']));
$recent_logins = intval($stmt->fetchAll(PDO::FETCH_NUM)[0][0]);
if ($recent_logins > 5) {
return false;
}
/* are credentials wrong? */
if (JxBotConfig::option('admin_user') != $inputs['username'] || JxBotConfig::option('admin_hash') != hash('sha256', $inputs['password'])) {
$stmt = JxBotDB::$db->prepare('INSERT INTO login
(username, note) VALUES (?, ?)');
$stmt->execute(array($inputs['username'], 'failure'));
return false;
}
/* do the login */
$_SESSION['jxbot-admin'] = 1;
$stmt = JxBotDB::$db->prepare('INSERT INTO login
(username, note) VALUES (?, ?)');
$stmt->execute(array($inputs['username'], 'success'));
$_SESSION['jxbot-last'] = time();
/* generate the admin page */
JxBotAdmin::admin_generate();
return true;
}
public static function normalise($in_input)
{
//if ($in_keep_wildcards) return JxBotNL::normalise_pattern($in_input);
/* preparation */
$output = ' ' . $in_input . ' ';
// leading & trailing space to help with substitution matching
// consider replacing vertical & unusual horizontal whitespace (tabs) with all spaces here
$output = JxBotNL::upper($output);
/* do `tagging` in a different routine; really a pre-normalisation function */
/* `substitution` normalisations; substitutions, abbreviations, spelling */
$output = JxBotNL::apply_substitutions($output);
/* `pattern fitting` normalisations */
if (JxBotConfig::option('pre_strip_accents', 0) == 1) {
$output = JxBotNL::strip_accents($output);
}
$output = JxBotNL::strip_punctuation($output);
$output = JxBotNL::split_words($output);
return $output;
}