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|
<?php
namespace Model;
use Event\WebhookListener;
/**
* Webhook model
*
* @package model
* @author Frederic Guillot
*/
class Webhook extends Base
{
/**
* HTTP connection timeout in seconds
*
* @var integer
*/
const HTTP_TIMEOUT = 1;
/**
* Number of maximum redirections for the HTTP client
*
* @var integer
*/
const HTTP_MAX_REDIRECTS = 3;
/**
* HTTP client user agent
*
* @var string
*/
const HTTP_USER_AGENT = 'Kanboard Webhook';
/**
* URL to call for task creation
*
* @access private
* @var string
*/
private $url_task_creation = '';
/**
* URL to call for task modification
*
* @access private
* @var string
*/
private $url_task_modification = '';
/**
* Webook token
*
* @access private
* @var string
*/
private $token = '';
/**
* Attach events
*
* @access public
*/
public function attachEvents()
{
$config = new Config($this->db, $this->event);
$this->url_task_creation = $config->get('webhooks_url_task_creation');
$this->url_task_modification = $config->get('webhooks_url_task_modification');
$this->token = $config->get('webhooks_token');
if ($this->url_task_creation) {
$this->attachCreateEvents();
}
if ($this->url_task_modification) {
$this->attachUpdateEvents();
}
}
/**
* Attach events for task modification
*
* @access public
*/
public function attachUpdateEvents()
{
$events = array(
Task::EVENT_UPDATE,
Task::EVENT_CLOSE,
Task::EVENT_OPEN,
);
$listener = new WebhookListener($this->url_task_modification, $this);
foreach ($events as $event_name) {
$this->event->attach($event_name, $listener);
}
}
/**
* Attach events for task creation
*
* @access public
*/
public function attachCreateEvents()
{
$events = array(
Task::EVENT_CREATE,
);
$listener = new WebhookListener($this->url_task_creation, $this);
foreach ($events as $event_name) {
$this->event->attach($event_name, $listener);
}
}
/**
* Call the external URL
*
* @access public
* @param string $url URL to call
* @param array $task Task data
*/
public function notify($url, array $task)
{
$headers = array(
'Connection: close',
'User-Agent: '.self::HTTP_USER_AGENT,
);
$context = stream_context_create(array(
'http' => array(
'method' => 'POST',
'protocol_version' => 1.1,
'timeout' => self::HTTP_TIMEOUT,
'max_redirects' => self::HTTP_MAX_REDIRECTS,
'header' => implode("\r\n", $headers),
'content' => json_encode($task)
)
));
if (strpos($url, '?') !== false) {
$url .= '&token='.$this->token;
}
else {
$url .= '?token='.$this->token;
}
@file_get_contents($url, false, $context);
}
}
|
