Files
hesk-docker/hesk/suggest_email.php
Luke Tainton 39782c53ef Initial commit
Signed-off-by: Luke Tainton <luke@tainton.uk>
2020-02-26 12:23:50 +00:00

138 lines
3.4 KiB
PHP

<?php
/**
*
* This file is part of HESK - PHP Help Desk Software.
*
* (c) Copyright Klemen Stirn. All rights reserved.
* https://www.hesk.com
*
* For the full copyright and license agreement information visit
* https://www.hesk.com/eula.php
*
*/
define('IN_SCRIPT',1);
define('HESK_PATH','./');
// Get all the required files and functions
require(HESK_PATH . 'hesk_settings.inc.php');
require(HESK_PATH . 'inc/common.inc.php');
// Feature enabled?
if ( ! $hesk_settings['detect_typos'])
{
die('');
}
// Print XML header
header('Content-Type: text/html; charset='.$hesklang['ENCODING']);
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
// Get the search query composed of the subject and message
$address = hesk_REQUEST('e') or die('');
$email_field = hesk_REQUEST('ef') or die('');
$display_div = hesk_REQUEST('dd') or die('');
$div = 1;
$suggestions = array();
// Do we allow multiple emails? If yes, check all
if ($hesk_settings['multi_eml'] || hesk_REQUEST('am'))
{
// Make sure the format is correct
$address = preg_replace('/\s/','',$address);
$address = str_replace(';',',',$address);
// Loops through emails and check for typos
$div = 1;
$all = explode(',',$address);
foreach ($all as $address)
{
if ( ($suggest = hesk_emailTypo($address)) !== false )
{
$suggestions[] = hesk_emailTypoShow($address, $suggest, $div);
$div++;
}
}
}
// If multiple emails are not allowed, check just first one
elseif ( ($suggest = hesk_emailTypo($address)) !== false )
{
$suggestions[] = hesk_emailTypoShow($address, $suggest);
}
print json_encode($suggestions);
exit();
function hesk_emailTypoShow($address, $suggest, $div = '')
{
global $hesk_settings, $hesklang, $email_field, $display_div;
return array(
'id' => "emailtypo{$display_div}{$div}",
'suggestText' => sprintf($hesklang['didum'], str_replace('@', '@<b>', $suggest . '</b>')),
'formattedSuggestedEmail' => addslashes($suggest),
'originalAddress' => preg_quote($address, '/'),
'noResponseText' => $hesklang['nole'],
'yesResponseText' => $hesklang['yfix']
);
} // END hesk_emailTypoShow()
function hesk_emailTypo($address)
{
global $hesk_settings;
// Remove anything more than a single address
$address = str_replace(strstr($address,','),'',$address);
$address = str_replace(strstr($address,';'),'',$address);
$address = strtolower(trim($address));
// Get email domain
$domain = substr(strrchr($address, '@'), 1);
// If no domain return false
if ( ! $domain)
{
return false;
}
// If we have an exact match return false
if ( in_array($domain, $hesk_settings['email_providers']) )
{
return false;
}
$shortest = -1;
$closest = '';
foreach ($hesk_settings['email_providers'] as $provider)
{
$similar = levenshtein($domain, $provider, 2, 1, 3);
if ($similar < 1)
{
return false;
}
if ($similar < $shortest || $shortest < 0)
{
$closest = $provider;
$shortest = $similar;
}
}
if ($shortest < 4)
{
return str_replace($domain, $closest, $address);
}
else
{
return false;
}
} // END hesk_emailTypo()
?>