$1OK$2',
'$1WARNING$2',
'$1CRITICAL$2',
'$1UNKNOWN$2',
'$1UP$2',
'$1DOWN$2',
'@@@@@@',
);
/**
* Render plugin output
*
* @param string $output
* @param bool $raw
*
* @return string
*/
public function pluginOutput($output, $raw = false)
{
if (empty($output)) {
return '';
}
$output = preg_replace('~]*>~', "\n", $output);
if (preg_match('~<[^>]*["/\'][^>]*>~', $output)) {
// HTML
$output = preg_replace(
'~getPurifier()->purify($output)
);
$isHtml = true;
} else {
// Plaintext
$output = preg_replace(
self::$txtPatterns,
self::$txtReplacements,
$this->view->escape($output)
);
$isHtml = false;
}
$output = trim($output);
// Add space after comma where missing, to help browsers to break words in plugin output
$output = preg_replace('/,(?=[^\s])/', ', ', $output);
if (! $raw) {
if ($isHtml) {
$output = $this->processHtml($output);
$output = '' . $output . '
';
} else {
$output = '' . $output . '
';
}
}
return $output;
}
/**
* Replace classic Icinga CGI links with Icinga Web 2 links and color state information, if any
*
* @param string $html
*
* @return string
*/
protected function processHtml($html)
{
$pattern = '/[([](OK|WARNING|CRITICAL|UNKNOWN|UP|DOWN)[)\]]/';
$doc = new DOMDocument();
$doc->loadXML('' . $html . '
', LIBXML_NOERROR | LIBXML_NOWARNING);
$dom = new RecursiveIteratorIterator(new DomNodeIterator($doc), RecursiveIteratorIterator::SELF_FIRST);
$nodesToRemove = array();
foreach ($dom as $node) {
/** @var \DOMNode $node */
if ($node->nodeType === XML_TEXT_NODE) {
$start = 0;
while (preg_match($pattern, $node->nodeValue, $match, PREG_OFFSET_CAPTURE, $start)) {
$offsetLeft = $match[0][1];
$matchLength = strlen($match[0][0]);
$leftLength = $offsetLeft - $start;
if ($leftLength) {
$text = new DOMText(substr($node->nodeValue, $start, $leftLength));
$node->parentNode->insertBefore($text, $node);
}
$span = $doc->createElement('span', $match[0][0]);
$span->setAttribute('class', 'state-' . strtolower($match[1][0]));
$node->parentNode->insertBefore($span, $node);
$start = $offsetLeft + $matchLength;
}
if ($start) {
$nodesToRemove[] = $node;
}
} elseif ($node->nodeType === XML_ELEMENT_NODE) {
/** @var \DOMElement $node */
if ($node->tagName === 'a'
&& preg_match('~^/cgi\-bin/status\.cgi\?(.+)$~', $node->getAttribute('href'), $match)
) {
parse_str($match[1], $params);
if (isset($params['host'])) {
$node->setAttribute(
'href',
$this->view->baseUrl('/monitoring/host/show?host=' . urlencode($params['host']))
);
}
}
}
}
foreach ($nodesToRemove as $node) {
/** @var \DOMNode $node */
$node->parentNode->removeChild($node);
}
return substr($doc->saveHTML(), 5, -7);
}
/**
* Initialize and return self::$purifier
*
* @return HTMLPurifier
*/
protected function getPurifier()
{
if (self::$purifier === null) {
require_once 'HTMLPurifier/Bootstrap.php';
require_once 'HTMLPurifier.php';
require_once 'HTMLPurifier.autoload.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.EscapeNonASCIICharacters', true);
$config->set('HTML.Allowed', 'p,br,b,a[href|target],i,table,tr,th[colspan],td[colspan],div,*[class]');
$config->set('Attr.AllowedFrameTargets', array('_blank'));
// This avoids permission problems:
// $config->set('Core.DefinitionCache', null);
$config->set('Cache.DefinitionImpl', null);
// TODO: Use a cache directory:
// $config->set('Cache.SerializerPath', '/var/spool/whatever');
// $config->set('URI.Base', 'http://www.example.com');
// $config->set('URI.MakeAbsolute', true);
// $config->set('AutoFormat.AutoParagraph', true);
self::$purifier = new HTMLPurifier($config);
}
return self::$purifier;
}
}