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<?php |
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/** |
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* Nextcloud - Gallery |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Bart Visscher <[email protected]> |
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* @author Felix Moeller <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Robin Appelman <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* @author Vincent Petry <[email protected]> |
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* @author Olivier Paroz <[email protected]> |
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* |
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* @copyright Copyright (c) 2015, ownCloud, Inc. |
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* @copyright Olivier Paroz 2017 |
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*/ |
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namespace OCA\Gallery\Utility; |
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/** |
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* Class EventSource |
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* |
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* Wrapper for server side events (http://en.wikipedia.org/wiki/Server-sent_events) |
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* |
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* This version is tailored for the Gallery app, do not use elsewhere! |
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* @link https://github.com/owncloud/core/blob/master/lib/private/eventsource.php |
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* |
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* @todo Replace with a library |
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* |
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* @package OCA\Gallery\Controller |
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*/ |
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class EventSource implements \OCP\IEventSource { |
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/** |
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* @var bool |
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*/ |
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private $started = false; |
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protected function init() { |
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if ($this->started) { |
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return; |
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} |
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$this->started = true; |
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// prevent php output buffering, caching and nginx buffering |
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while (ob_get_level()) { |
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ob_end_clean(); |
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} |
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header('Cache-Control: no-cache'); |
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header('X-Accel-Buffering: no'); |
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header("Content-Type: text/event-stream"); |
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flush(); |
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} |
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/** |
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* Sends a message to the client |
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* |
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* If only one parameter is given, a typeless message will be sent with that parameter as data |
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* |
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* @param string $type |
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* @param mixed $data |
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* |
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* @throws \BadMethodCallException |
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*/ |
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public function send($type, $data = null) { |
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$this->validateMessage($type, $data); |
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$this->init(); |
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if (is_null($data)) { |
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$data = $type; |
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$type = null; |
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} |
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if (!empty($type)) { |
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echo 'event: ' . $type . PHP_EOL; |
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} |
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echo 'data: ' . json_encode($data) . PHP_EOL; |
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echo PHP_EOL; |
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flush(); |
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} |
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/** |
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* Closes the connection of the event source |
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* |
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* It's best to let the client close the stream |
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*/ |
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public function close() { |
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$this->send( |
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'__internal__', 'close' |
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); |
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} |
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/** |
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* Makes sure we have a message we can use |
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* |
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* @param string $type |
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* @param mixed $data |
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*/ |
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private function validateMessage($type, $data) { |
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if ($data && !preg_match('/^[A-Za-z0-9_]+$/', $type)) { |
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throw new \BadMethodCallException('Type needs to be alphanumeric (' . $type . ')'); |
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} |
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} |
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} |
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nextcloud /
gallery
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths