/
knowledgebase.php
673 lines (575 loc) · 21.3 KB
/
knowledgebase.php
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<?php
/*******************************************************************************
* Title: Help Desk Software HESK
* Version: 2.6.5 from 28th August 2015
* Author: Klemen Stirn
* Website: http://www.hesk.com
********************************************************************************
* COPYRIGHT AND TRADEMARK NOTICE
* Copyright 2005-2015 Klemen Stirn. All Rights Reserved.
* HESK is a registered trademark of Klemen Stirn.
* The HESK may be used and modified free of charge by anyone
* AS LONG AS COPYRIGHT NOTICES AND ALL THE COMMENTS REMAIN INTACT.
* By using this code you agree to indemnify Klemen Stirn from any
* liability that might arise from it's use.
* Selling the code for this program, in part or full, without prior
* written consent is expressly forbidden.
* Using this code, in part or full, to create derivate work,
* new scripts or products is expressly forbidden. Obtain permission
* before redistributing this software over the Internet or in
* any other medium. In all cases copyright and header must remain intact.
* This Copyright is in full effect in any country that has International
* Trade Agreements with the United States of America or
* with the European Union.
* Removing any of the copyright notices without purchasing a license
* is expressly forbidden. To remove HESK copyright notice you must purchase
* a license for this script. For more information on how to obtain
* a license please visit the page below:
* https://www.hesk.com/buy.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');
// Are we in maintenance mode?
hesk_check_maintenance();
// Load Knowledgebase-related functions
require(HESK_PATH . 'inc/knowledgebase_functions.inc.php');
hesk_load_database_functions();
/* Is Knowledgebase enabled? */
if (!$hesk_settings['kb_enable'])
{
hesk_error($hesklang['kbdis']);
}
/* Connect to database */
hesk_dbConnect();
/* Rating? */
if (isset($_GET['rating']))
{
// Detect and block robots
if (hesk_detect_bots())
{
?>
<html>
<head>
<meta name="robots" content="noindex, nofollow">
</head>
<body>
</body>
</html>
<?php
}
// Rating
$rating = intval( hesk_GET('rating') );
// Rating value may only be 1 or 5
if ($rating != 1 && $rating != 5)
{
die($hesklang['attempt']);
}
// Article ID
$artid = intval( hesk_GET('id', 0) ) or die($hesklang['kb_art_id']);
// Check cookies for already rated, rate and set cookie if not already
$_COOKIE['hesk_kb_rate'] = hesk_COOKIE('hesk_kb_rate');
if (strpos($_COOKIE['hesk_kb_rate'],'a'.$artid.'%')===false)
{
// Update rating, make sure it's a public article in a public category
hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON t1.`catid` = t2.`id`
SET `rating`=((`rating`*`votes`)+{$rating})/(`votes`+1), t1.`votes`=t1.`votes`+1
WHERE t1.`id`='{$artid}' AND t1.`type`='0' AND t2.`type`='0'
");
}
setcookie('hesk_kb_rate', $_COOKIE['hesk_kb_rate'].'a'.$artid.'%', time()+2592000);
header('Location: knowledgebase.php?article='.$artid.'&rated=1');
exit();
}
/* Any category ID set? */
$catid = intval( hesk_GET('category', 1) );
$artid = intval( hesk_GET('article', 0) );
if (isset($_GET['search']))
{
$query = hesk_input( hesk_GET('search') );
}
else
{
$query = 0;
}
$hesk_settings['kb_link'] = ($artid || $catid != 1 || $query) ? '<a href="knowledgebase.php" class="smaller">'.$hesklang['kb_text'].'</a>' : $hesklang['kb_text'];
if ($hesk_settings['kb_search'] && $query)
{
hesk_kb_search($query);
}
elseif ($artid)
{
// Get article from DB, make sure that article and category are public
$result = hesk_dbQuery("SELECT t1.*, t2.`name` AS `cat_name`
FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON `t1`.`catid` = `t2`.`id`
WHERE `t1`.`id` = '{$artid}'
AND `t1`.`type` = '0'
AND `t2`.`type` = '0'
");
$article = hesk_dbFetchAssoc($result) or hesk_error($hesklang['kb_art_id']);
hesk_show_kb_article($artid);
}
else
{
hesk_show_kb_category($catid);
}
require_once(HESK_PATH . 'inc/footer.inc.php');
exit();
/*** START FUNCTIONS ***/
function hesk_kb_header($kb_link) {
global $hesk_settings, $hesklang;
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="3"><img src="img/headerleftsm.jpg" width="3" height="25" alt="" /></td>
<td class="headersm"><?php hesk_showTopBar($hesklang['kb_text']); ?></td>
<td width="3"><img src="img/headerrightsm.jpg" width="3" height="25" alt="" /></td>
</tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="3">
<tr>
<td valign="top">
<span class="smaller"><a href="<?php echo $hesk_settings['site_url']; ?>" class="smaller"><?php echo $hesk_settings['site_title']; ?></a> >
<a href="<?php echo $hesk_settings['hesk_url']; ?>" class="smaller"><?php echo $hesk_settings['hesk_title']; ?></a>
> <?php echo $kb_link; ?></span>
</td>
<?php
/* Print small search box */
hesk_kbSearchSmall();
?>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<?php
/* Print large search box */
hesk_kbSearchLarge();
} // END hesk_kb_header()
function hesk_kb_search($query) {
global $hesk_settings, $hesklang;
define('HESK_NO_ROBOTS',1);
/* Print header */
$hesk_settings['tmp_title'] = $hesklang['sr'] . ': ' . substr(hesk_htmlspecialchars(stripslashes($query)),0,20);
require_once(HESK_PATH . 'inc/header.inc.php');
hesk_kb_header($hesk_settings['kb_link']);
$res = hesk_dbQuery('SELECT t1.`id`, t1.`subject`, LEFT(`t1`.`content`, '.max(200, $hesk_settings['kb_substrart'] * 2).') AS `content`, t1.`rating` FROM `'.hesk_dbEscape($hesk_settings['db_pfix']).'kb_articles` AS t1
LEFT JOIN `'.hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS t2 ON t1.`catid` = t2.`id`
WHERE t1.`type`='0' AND t2.`type`='0' AND MATCH(`subject`,`content`,`keywords`) AGAINST ('".hesk_dbEscape($query)."') LIMIT " . intval($hesk_settings['kb_search_limit']));
$num = hesk_dbNumRows($res);
?>
<p>» <b><?php echo $hesklang['sr']; ?> (<?php echo $num; ?>)</b></p>
<?php
if ($num == 0)
{
echo '<p><i>'.$hesklang['nosr'].'</i></p>
<p> </p>
';
hesk_show_kb_category(1,1);
}
else
{
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="7" height="7"><img src="img/roundcornerslt.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornerstop"></td>
<td><img src="img/roundcornersrt.jpg" width="7" height="7" alt="" /></td>
</tr>
<tr>
<td class="roundcornersleft"> </td>
<td>
<div align="center">
<table border="0" cellspacing="1" cellpadding="3" width="100%">
<?php
while ($article = hesk_dbFetchAssoc($res))
{
$txt = hesk_kbArticleContentPreview($article['content']);
if ($hesk_settings['kb_rating'])
{
$alt = $article['rating'] ? sprintf($hesklang['kb_rated'], sprintf("%01.1f", $article['rating'])) : $hesklang['kb_not_rated'];
$rat = '<td width="1" valign="top"><img src="img/star_'.(hesk_round_to_half($article['rating'])*10).'.png" width="85" height="16" alt="'.$alt.'" border="0" style="vertical-align:text-bottom" /></td>';
}
else
{
$rat = '';
}
echo '
<tr>
<td>
<table border="0" width="100%" cellspacing="0" cellpadding="1">
<tr>
<td width="1" valign="top"><img src="img/article_text.png" width="16" height="16" border="0" alt="" style="vertical-align:middle" /></td>
<td valign="top"><a href="knowledgebase.php?article='.$article['id'].'">'.$article['subject'].'</a></td>
'.$rat.'
</tr>
</table>
<table border="0" width="100%" cellspacing="0" cellpadding="1">
<tr>
<td width="1" valign="top"><img src="img/blank.gif" width="16" height="10" style="vertical-align:middle" alt="" /></td>
<td><span class="article_list">'.$txt.'</span></td>
</tr>
</table>
</td>
</tr>';
}
?>
</table>
</div>
</td>
<td class="roundcornersright"> </td>
</tr>
<tr>
<td><img src="img/roundcornerslb.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornersbottom"></td>
<td width="7" height="7"><img src="img/roundcornersrb.jpg" width="7" height="7" alt="" /></td>
</tr>
</table>
<p> <br />« <a href="javascript:history.go(-1)"><?php echo $hesklang['back']; ?></a></p>
<?php
} // END else
} // END hesk_kb_search()
function hesk_show_kb_article($artid)
{
global $hesk_settings, $hesklang, $article;
// Print header
$hesk_settings['tmp_title'] = $article['subject'];
require_once(HESK_PATH . 'inc/header.inc.php');
hesk_kb_header($hesk_settings['kb_link']);
// Update views by 1 - exclude known bots and reloads because of ratings
if ( ! isset($_GET['rated']) && ! hesk_detect_bots())
{
hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` SET `views`=`views`+1 WHERE `id`={$artid} LIMIT 1");
}
echo '<h1>'.$article['subject'].'</h1>
<fieldset>
<legend>'.$hesklang['as'].'</legend>
'. $article['content'];
if ( ! empty($article['attachments']))
{
echo '<p><b>'.$hesklang['attachments'].':</b><br />';
$att=explode(',',substr($article['attachments'], 0, -1));
foreach ($att as $myatt)
{
list($att_id, $att_name) = explode('#', $myatt);
echo '<img src="img/clip.png" width="16" height="16" alt="'.$att_name.'" style="align:text-bottom" /> <a href="download_attachment.php?kb_att='.$att_id.'" rel="nofollow">'.$att_name.'</a><br />';
}
echo '</p>';
}
// Article rating
if ($hesk_settings['kb_rating'] && strpos( hesk_COOKIE('hesk_kb_rate'),'a'.$artid.'%')===false )
{
echo '
<div id="rating" class="rate" align="right"> <br />'.$hesklang['rart'].'
<a href="Javascript:void(0)" onclick="Javascript:window.location=\'knowledgebase.php?rating=5&id='.$article['id'].'\'" rel="nofollow">'.strtolower($hesklang['yes']).'</a> /
<a href="Javascript:void(0)" onclick="Javascript:window.location=\'knowledgebase.php?rating=1&id='.$article['id'].'\'" rel="nofollow">'.strtolower($hesklang['no']).'</a>
</div>
';
}
echo '</fieldset>';
// Related articles
if ($hesk_settings['kb_related'])
{
require(HESK_PATH . 'inc/mail/email_parser.php');
$query = hesk_dbEscape( $article['subject'] . ' ' . convert_html_to_text($article['content']) );
// Get relevant articles from the database
$res = hesk_dbQuery("SELECT t1.`id`, t1.`subject`, MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') AS `score` FROM `".hesk_dbEscape($hesk_settings['db_pfix']).'kb_articles` AS t1 LEFT JOIN `'.hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS t2 ON t1.`catid` = t2.`id` WHERE t1.`type`='0' AND t2.`type`='0' AND MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') LIMIT ".intval($hesk_settings['kb_related']+1));
// Array with related articles
$related_articles = array();
while ($related = hesk_dbFetchAssoc($res))
{
// Get base match score from the first article
if ( ! isset($base_score) )
{
$base_score = $related['score'];
}
// Ignore this article
if ( $related['id'] == $artid )
{
continue;
}
// Stop when articles reach less than 10% of base score
if ($related['score'] / $base_score < 0.10)
{
break;
}
// This is a valid related article
$related_articles[$related['id']] = $related['subject'];
}
// Print related articles if we have any valid matches
if ( count($related_articles) )
{
echo '<fieldset><legend>'.$hesklang['relart'].'</legend>';
foreach ($related_articles as $id => $subject)
{
echo '<img src="img/article_text.png" width="16" height="16" border="0" alt="" style="vertical-align:middle;padding:2px;" /> <a href="knowledgebase.php?article='.$id.'">'.$subject.'</a><br />';
}
echo '</fieldset>';
}
}
if ($article['catid']==1)
{
$link = 'knowledgebase.php';
}
else
{
$link = 'knowledgebase.php?category='.$article['catid'];
}
?>
<fieldset>
<legend><?php echo $hesklang['ad']; ?></legend>
<table border="0">
<tr>
<td><?php echo $hesklang['aid']; ?>: </td>
<td><?php echo $article['id']; ?></td>
</tr>
<tr>
<td><?php echo $hesklang['category']; ?>: </td>
<td><a href="<?php echo $link; ?>"><?php echo $article['cat_name']; ?></a></td>
</tr>
<?php
if ($hesk_settings['kb_date'])
{
?>
<tr>
<td><?php echo $hesklang['dta']; ?>: </td>
<td><?php echo hesk_date($article['dt'], true); ?></td>
</tr>
<?php
}
if ($hesk_settings['kb_views'])
{
?>
<tr>
<td><?php echo $hesklang['views']; ?>: </td>
<td><?php echo (isset($_GET['rated']) ? $article['views'] : $article['views']+1); ?></td>
</tr>
<?php
}
if ($hesk_settings['kb_rating'])
{
$alt = $article['rating'] ? sprintf($hesklang['kb_rated'], sprintf("%01.1f", $article['rating'])) : $hesklang['kb_not_rated'];
echo '
<tr>
<td>'.$hesklang['rating'].' ('.$hesklang['votes'].'):</td>
<td><img src="img/star_'.(hesk_round_to_half($article['rating'])*10).'.png" width="85" height="16" alt="'.$alt.'" title="'.$alt.'" border="0" style="vertical-align:text-bottom" /> ('.$article['votes'].')</td>
</tr>
';
}
?>
</table>
</fieldset>
<?php
if (!isset($_GET['suggest']))
{
?>
<p> <br />« <a href="javascript:history.go(<?php echo isset($_GET['rated']) ? '-2' : '-1'; ?>)"><?php echo $hesklang['back']; ?></a></p>
<?php
}
else
{
?>
<p> </p>
<?php
}
} // END hesk_show_kb_article()
function hesk_show_kb_category($catid, $is_search = 0) {
global $hesk_settings, $hesklang;
$res = hesk_dbQuery("SELECT `name`,`parent` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `id`='{$catid}' AND `type`='0' LIMIT 1");
$thiscat = hesk_dbFetchAssoc($res) or hesk_error($hesklang['kb_cat_inv']);
if ($is_search == 0)
{
/* Print header */
$hesk_settings['tmp_title'] = $hesk_settings['hesk_title'] . ' - ' . hesk_htmlspecialchars($thiscat['name']);
require_once(HESK_PATH . 'inc/header.inc.php');
hesk_kb_header($hesk_settings['kb_link']);
// If we are in "Knowledgebase only" mode show system messages
if ($catid == 1 && hesk_check_kb_only(false) )
{
// Service messages
$res = hesk_dbQuery('SELECT `title`, `message`, `style` FROM `'.hesk_dbEscape($hesk_settings['db_pfix'])."service_messages` WHERE `type`='0' ORDER BY `order` ASC");
while ($sm=hesk_dbFetchAssoc($res))
{
hesk_service_message($sm);
}
}
}
if ($thiscat['parent'])
{
$link = ($thiscat['parent'] == 1) ? 'knowledgebase.php' : 'knowledgebase.php?category='.$thiscat['parent'];
echo '<span class="homepageh3">» '.$hesklang['kb_cat'].': '.$thiscat['name'].'</span>
(<a href="javascript:history.go(-1)">'.$hesklang['back'].'</a>)
';
}
$result = hesk_dbQuery("SELECT `id`,`name`,`articles` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `parent`='{$catid}' AND `type`='0' ORDER BY `cat_order` ASC");
if (hesk_dbNumRows($result) > 0)
{
?>
<p>» <b><?php echo $hesklang['kb_cat_sub']; ?>:</b></p>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="7" height="7"><img src="img/roundcornerslt.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornerstop"></td>
<td><img src="img/roundcornersrt.jpg" width="7" height="7" alt="" /></td>
</tr>
<tr>
<td class="roundcornersleft"> </td>
<td>
<table border="0" cellspacing="1" cellpadding="3" width="100%">
<?php
$per_col = $hesk_settings['kb_cols'];
$i = 1;
while ($cat = hesk_dbFetchAssoc($result))
{
if ($i == 1)
{
echo '<tr>';
}
echo '
<td width="50%" valign="top">
<table border="0">
<tr><td><img src="img/folder.gif" width="20" height="20" alt="" style="vertical-align:middle" /><a href="knowledgebase.php?category='.$cat['id'].'">'.$cat['name'].'</a></td></tr>
';
/* Print most popular/sticky articles */
if ($hesk_settings['kb_numshow'] && $cat['articles'])
{
$res = hesk_dbQuery("SELECT `id`,`subject` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='{$cat['id']}' AND `type`='0' ORDER BY `sticky` DESC, `views` DESC, `art_order` ASC LIMIT " . (intval($hesk_settings['kb_numshow']) + 1) );
$num = 1;
while ($art = hesk_dbFetchAssoc($res))
{
echo '
<tr>
<td><img src="img/article_text.png" width="16" height="16" border="0" alt="" style="vertical-align:middle" />
<a href="knowledgebase.php?article='.$art['id'].'" class="article">'.$art['subject'].'</a></td>
</tr>';
if ($num == $hesk_settings['kb_numshow'])
{
break;
}
else
{
$num++;
}
}
if (hesk_dbNumRows($res) > $hesk_settings['kb_numshow'])
{
echo '<tr><td>» <a href="knowledgebase.php?category='.$cat['id'].'"><i>'.$hesklang['m'].'</i></a></td></tr>';
}
}
echo '
</table>
</td>
';
if ($i == $per_col)
{
echo '</tr>';
$i = 0;
}
$i++;
}
/* Finish the table if needed */
if ($i != 1)
{
for ($j=1;$j<=$per_col;$j++)
{
echo '<td width="50%"> </td>';
if ($i == $per_col)
{
echo '</tr>';
break;
}
$i++;
}
}
?>
</table>
</td>
<td class="roundcornersright"> </td>
</tr>
<tr>
<td><img src="img/roundcornerslb.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornersbottom"></td>
<td width="7" height="7"><img src="img/roundcornersrb.jpg" width="7" height="7" alt="" /></td>
</tr>
</table>
<?php
} // END if NumRows > 0
?>
<p>» <b><?php echo $hesklang['ac']; ?></b></p>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="7" height="7"><img src="img/roundcornerslt.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornerstop"></td>
<td><img src="img/roundcornersrt.jpg" width="7" height="7" alt="" /></td>
</tr>
<tr>
<td class="roundcornersleft"> </td>
<td>
<?php
$res = hesk_dbQuery("SELECT `id`, `subject`, LEFT(`content`, ".max(200, $hesk_settings['kb_substrart'] * 2).") AS `content`, `rating` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='{$catid}' AND `type`='0' ORDER BY `sticky` DESC, `art_order` ASC");
if (hesk_dbNumRows($res) == 0)
{
echo '<p><i>'.$hesklang['noac'].'</i></p>';
}
else
{
echo '<div align="center"><table border="0" cellspacing="1" cellpadding="3" width="100%">';
while ($article = hesk_dbFetchAssoc($res))
{
$txt = hesk_kbArticleContentPreview($article['content']);
if ($hesk_settings['kb_rating'])
{
$alt = $article['rating'] ? sprintf($hesklang['kb_rated'], sprintf("%01.1f", $article['rating'])) : $hesklang['kb_not_rated'];
$rat = '<td width="1" valign="top"><img src="img/star_'.(hesk_round_to_half($article['rating'])*10).'.png" width="85" height="16" alt="'.$alt.'" title="'.$alt.'" border="0" style="vertical-align:text-bottom" /></td>';
}
else
{
$rat = '';
}
echo '
<tr>
<td>
<table border="0" width="100%" cellspacing="0" cellpadding="1">
<tr>
<td width="1" valign="top"><img src="img/article_text.png" width="16" height="16" border="0" alt="" style="vertical-align:middle" /></td>
<td valign="top"><a href="knowledgebase.php?article='.$article['id'].'">'.$article['subject'].'</a></td>
'.$rat.'
</tr>
</table>
<table border="0" width="100%" cellspacing="0" cellpadding="1">
<tr>
<td width="1" valign="top"><img src="img/blank.gif" width="16" height="10" style="vertical-align:middle" alt="" /></td>
<td><span class="article_list">'.$txt.'</span></td>
</tr>
</table>
</td>
</tr>';
}
echo '</table></div>';
}
?>
</td>
<td class="roundcornersright"> </td>
</tr>
<tr>
<td><img src="img/roundcornerslb.jpg" width="7" height="7" alt="" /></td>
<td class="roundcornersbottom"></td>
<td width="7" height="7"><img src="img/roundcornersrb.jpg" width="7" height="7" alt="" /></td>
</tr>
</table>
<?php
/* On the main KB page print out top and latest articles if needed */
if ($catid == 1)
{
/* Get list of top articles */
hesk_kbTopArticles($hesk_settings['kb_popart'], 0);
/* Get list of latest articles */
hesk_kbLatestArticles($hesk_settings['kb_latest'], 0);
}
} // END hesk_show_kb_category()
?>