function wikiplugin_trackerif ($data, $params)
{
global $trklib;
$test = null;
$values = array();
$dataelse = '';
if (strpos($data, '{ELSE}')) {
// Else bloc when test does not pass
$dataelse = substr($data, strpos($data, '{ELSE}')+6);
$data = substr($data, 0, strpos($data, '{ELSE}'));
}
if (empty($_REQUEST["trackerId"])) {
$trackerId = $trklib->get_tracker_for_item($_REQUEST['itemId']);
} else {
$trackerId = $_REQUEST["trackerId"];
}
if (!$trackerId || !isset($_REQUEST['itemId'])) {
// Edit mode
if (!isset($params['ignore']) || $params['ignore'] == 'y') {
return $data;
}
return $dataelse;
}
try {
// Parse test
$test = LDAPFilter::parse($params['test']);
} catch (Exception $e) {
return $e->getMessage();
}
$xfields = $trklib->list_tracker_fields($trackerId);
foreach ($xfields['data'] as $field) {
// Retrieve values from the current item
$values[$field['fieldId']] = $trklib->get_item_value($trackerId, $_REQUEST['itemId'], $field['fieldId']);
}
if (!wikiplugin_trackerif_test($test, $values)) {
if ($dataelse) {
return $dataelse;
}
return '';
}
return $data;
}
/**
* Parse FILTER into a LDAPFilter object
*
* This parses an filter string into LDAPFilter objects.
*
* @param string $FILTER The filter string
*
* @access static
* @return LDAPFilter|Net_LDAP_Error
*/
function parse($FILTER)
{
if (preg_match('/^\\((.+?)\\)$/', $FILTER, $matches)) {
if (in_array(substr($matches[1], 0, 1), array('!', '|', '&'))) {
// extract logical operator and subfilters
$log_op = substr($matches[1], 0, 1);
$remaining_component = substr($matches[1], 1);
// bite off the next filter part and parse
$subfilters = array();
while (preg_match('/^(\\(.+?\\))(.*)/', $remaining_component, $matches)) {
$remaining_component = $matches[2];
array_push($subfilters, LDAPFilter::parse($matches[1]));
}
// combine subfilters using the logical operator
$filter_o = LDAPFilter::combine($log_op, $subfilters);
return $filter_o;
} else {
// This is one leaf filter component, do some syntax checks, then escape and build filter_o
// $matches[1] should be now something like "foo=bar"
// detect multiple leaf components
if (stristr($matches[1], ')(')) {
throw new Exception('Filter parsing error: invalid filter syntax - multiple leaf components detected');
} else {
$filter_parts = preg_split('/(?<!\\\\)(=|=~|>|<|>=|<=)/', $matches[1], 2, PREG_SPLIT_DELIM_CAPTURE);
if (count($filter_parts) != 3) {
throw new Exception('Filter parsing error: invalid filter syntax - unknown matching rule used');
} else {
$filter_o = new LDAPFilter();
$value = $filter_parts[2];
$filter_o->_filter = '(' . $filter_parts[0] . $filter_parts[1] . $value . ')';
return $filter_o;
}
}
}
} else {
throw new Exception('Filter parsing error: invalid filter syntax - filter components must be enclosed in round brackets');
}
}
