Eric Lippmann
parent
97bedfaa08
commit
5b17a145f1
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@ -3,15 +3,17 @@
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namespace Icinga\Application\Hook;
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use ArrayIterator;
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use ErrorException;
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use Exception;
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use Icinga\Application\Hook\Ticket\TicketPattern;
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use Icinga\Application\Logger;
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use Icinga\Exception\IcingaException;
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/**
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* Base class for ticket hooks
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*
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* Extend this class if you want to integrate your ticketing solution Icinga Web 2
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* Extend this class if you want to integrate your ticketing solution into Icinga Web 2.
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*/
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abstract class TicketHook
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{
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@ -39,6 +41,100 @@ abstract class TicketHook
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{
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}
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/**
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* Create a link for each matched element in the subject text
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*
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* @param array|TicketPattern $match Matched element according to {@link getPattern()}
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*
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* @return string Replacement string
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*/
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abstract public function createLink($match);
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/**
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* Get the pattern(s) to search for
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*
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* Return an array of TicketPattern instances here to support multiple TTS integrations.
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*
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* @return string|TicketPattern[]
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*/
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abstract public function getPattern();
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/**
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* Apply ticket patterns to the given text
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*
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* @param string $text
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* @param TicketPattern[] $ticketPatterns
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*
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* @return string
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*/
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private function applyTicketPatterns($text, array $ticketPatterns)
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{
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$out = '';
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$start = 0;
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$iterator = new ArrayIterator($ticketPatterns);
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$iterator->rewind();
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while ($iterator->valid()) {
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$ticketPattern = $iterator->current();
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try {
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preg_match($ticketPattern->getPattern(), $text, $match, PREG_OFFSET_CAPTURE, $start);
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} catch (ErrorException $e) {
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$this->fail('Can\'t create ticket links: Pattern is invalid: %s', IcingaException::describe($e));
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$iterator->next();
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continue;
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}
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if (empty($match)) {
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$iterator->next();
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continue;
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}
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// Remove preg_offset from match for the ticket pattern
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$carry = array();
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array_walk($match, function ($value, $key) use (&$carry) {
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$carry[$key] = $value[0];
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}, $carry);
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$ticketPattern->setMatch($carry);
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$offsetLeft = $match[0][1];
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$matchLength = strlen($match[0][0]);
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$out .= substr($text, $start, $offsetLeft - $start);
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try {
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$out .= $this->createLink($ticketPattern);
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} catch (Exception $e) {
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$this->fail('Can\'t create ticket links: %s', IcingaException::describe($e));
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return $text;
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}
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$start = $offsetLeft + $matchLength;
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}
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$out .= substr($text, $start);
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return $out;
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}
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/**
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* Helper function to create a TicketPattern instance
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*
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* @param string $name Name of the TTS integration
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* @param string $pattern Ticket pattern
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*
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* @return TicketPattern
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*/
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protected function createTicketPattern($name, $pattern)
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{
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$ticketPattern = new TicketPattern();
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$ticketPattern
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->setName($name)
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->setPattern($pattern);
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return $ticketPattern;
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}
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/**
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* Set the hook as failed w/ the given message
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*
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@ -63,22 +159,6 @@ abstract class TicketHook
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return $this->lastError;
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}
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/**
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* Get the pattern
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*
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* @return string
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*/
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abstract public function getPattern();
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/**
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* Create a link for each matched element in the subject text
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*
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* @param array $match Array of matched elements according to {@link getPattern()}
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*
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* @return string Replacement string
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*/
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abstract public function createLink($match);
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/**
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* Create links w/ {@link createLink()} in the given text that matches to the subject from {@link getPattern()}
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*
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@ -101,22 +181,28 @@ abstract class TicketHook
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$this->fail('Can\'t create ticket links: Retrieving the pattern failed: %s', IcingaException::describe($e));
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return $text;
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}
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if (empty($pattern)) {
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$this->fail('Can\'t create ticket links: Pattern is empty');
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return $text;
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}
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try {
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$text = preg_replace_callback(
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$pattern,
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array($this, 'createLink'),
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$text
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);
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} catch (ErrorException $e) {
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$this->fail('Can\'t create ticket links: Pattern is invalid: %s', IcingaException::describe($e));
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return $text;
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} catch (Exception $e) {
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$this->fail('Can\'t create ticket links: %s', IcingaException::describe($e));
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return $text;
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if (is_array($pattern)) {
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$text = $this->applyTicketPatterns($text, $pattern);
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} else {
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try {
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$text = preg_replace_callback(
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$pattern,
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array($this, 'createLink'),
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$text
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);
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} catch (ErrorException $e) {
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$this->fail('Can\'t create ticket links: Pattern is invalid: %s', IcingaException::describe($e));
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return $text;
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} catch (Exception $e) {
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$this->fail('Can\'t create ticket links: %s', IcingaException::describe($e));
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return $text;
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}
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}
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return $text;
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