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