public function OnStartForking()
{
$db = \Scalr::getDb();
// Get pid of running daemon
$pid = @file_get_contents(CACHEPATH . "/" . __CLASS__ . ".Daemon.pid");
$this->Logger->info("Current daemon process PID: {$pid}");
// Check is daemon already running or not
if ($pid) {
$Shell = new Scalr_System_Shell();
// Set terminal width
putenv("COLUMNS=400");
// Execute command
$ps = $Shell->queryRaw("ps ax -o pid,ppid,command | grep ' 1' | grep {$pid} | grep -v 'ps x' | grep DBQueueEvent");
$this->Logger->info("Shell->queryRaw(): {$ps}");
if ($ps) {
// daemon already running
$this->Logger->info("Daemon running. All ok!");
return true;
}
}
$rows = $db->Execute("SELECT history_id FROM webhook_history WHERE status='0'");
while ($row = $rows->FetchRow()) {
$history = WebhookHistory::findPk(bin2hex($row['history_id']));
if (!$history) {
continue;
}
$endpoint = WebhookEndpoint::findPk($history->endpointId);
$request = new HttpRequest();
$request->setMethod(HTTP_METH_POST);
if ($endpoint->url == 'SCALR_MAIL_SERVICE') {
$request->setUrl('https://my.scalr.com/webhook_mail.php');
} else {
$request->setUrl($endpoint->url);
}
$request->setOptions(array('timeout' => 3, 'connecttimeout' => 3));
$dt = new DateTime('now', new DateTimeZone("UTC"));
$timestamp = $dt->format("D, d M Y H:i:s e");
$canonical_string = $history->payload . $timestamp;
$signature = hash_hmac('SHA1', $canonical_string, $endpoint->securityKey);
$request->addHeaders(array('Date' => $timestamp, 'X-Signature' => $signature, 'X-Scalr-Webhook-Id' => $history->historyId, 'Content-type' => 'application/json'));
$request->setBody($history->payload);
try {
$request->send();
$history->responseCode = $request->getResponseCode();
if ($request->getResponseCode() <= 205) {
$history->status = WebhookHistory::STATUS_COMPLETE;
} else {
$history->status = WebhookHistory::STATUS_FAILED;
}
} catch (Exception $e) {
$history->status = WebhookHistory::STATUS_FAILED;
}
$history->save();
}
}
/**
* Performs upgrade literally for the stage ONE.
*
* Implementation of this method performs update steps needs to be taken
* to accomplish upgrade successfully.
*
* If there are any error during an execution of this scenario it must
* throw an exception.
*
* @param int $stage optional The stage number
* @throws \Exception
*/
protected function run1($stage)
{
$observers = $this->db->Execute("SELECT * FROM farm_event_observers WHERE event_observer_name = 'MailEventObserver'");
while ($observer = $observers->FetchRow()) {
$dbFarm = \DBFarm::LoadByID($observer['farmid']);
// Create endpoint
$endpointId = $this->db->GetOne("SELECT endpoint_id FROM webhook_endpoints WHERE env_id = ? AND url = ?", array($dbFarm->EnvID, 'SCALR_MAIL_SERVICE'));
if ($endpointId) {
$endpoint = WebhookEndpoint::findPk(bin2hex($endpointId));
} else {
$endpoint = new WebhookEndpoint();
$endpoint->level = WebhookEndpoint::LEVEL_ENVIRONMENT;
$endpoint->accountId = $dbFarm->ClientID;
$endpoint->envId = $dbFarm->EnvID;
$endpoint->securityKey = \Scalr::GenerateRandomKey(64);
$endpoint->isValid = true;
$endpoint->url = "SCALR_MAIL_SERVICE";
$endpoint->save();
}
//Create webhook configuration
$webhook = new WebhookConfig();
$webhook->level = WebhookConfig::LEVEL_ENVIRONMENT;
$webhook->accountId = $dbFarm->ClientID;
$webhook->envId = $dbFarm->EnvID;
$webhook->name = "MailEventObserver(FarmID: {$dbFarm->ID})";
$webhook->postData = $this->db->GetOne("SELECT value FROM farm_event_observers_config WHERE `key` = ? AND observerid = ?", array('EventMailTo', $observer['id']));
$webhook->save();
//save endpoints
$configEndpoint = new WebhookConfigEndpoint();
$configEndpoint->webhookId = $webhook->webhookId;
$configEndpoint->setEndpoint($endpoint);
$configEndpoint->save();
//save events
$dbEvents = $this->db->Execute("SELECT * FROM farm_event_observers_config WHERE `key` LIKE '%Notify' AND observerid = ?", array($observer['id']));
while ($info = $dbEvents->FetchRow()) {
preg_match('/On([A-Za-z0-9]+)Notify/si', $info['key'], $matches);
$configEvent = new WebhookConfigEvent();
$configEvent->webhookId = $webhook->webhookId;
$configEvent->eventType = $matches[1];
$configEvent->save();
}
//save farms
$configFarm = new WebhookConfigFarm();
$configFarm->webhookId = $webhook->webhookId;
$configFarm->farmId = $dbFarm->ID;
$configFarm->save();
}
}
/**
* @param string $endpointId
* @param string $url
* @throws Exception
*/
public function xValidateAction($endpointId, $url)
{
$endpoint = WebhookEndpoint::findPk($endpointId);
if (!$this->canEditEndpoint($endpoint)) {
throw new Scalr_Exception_Core('Insufficient permissions to edit endpoint in this scope');
}
if ($endpoint->url != $url) {
$endpoint->url = $url;
$endpoint->save();
}
if ($endpoint->validateUrl()) {
$this->response->success(sprintf('Endpoint %s successfully validated', $endpoint->url));
} else {
$this->response->failure(sprintf('Unable to validate endpoint %s. Token was not returned.', $endpoint->url));
}
$this->response->data(array('endpoint' => array('endpointId' => $endpoint->endpointId, 'url' => $endpoint->url, 'isValid' => $endpoint->isValid, 'validationToken' => $endpoint->validationToken, 'securityKey' => $endpoint->securityKey)));
}
public function xValidateAction()
{
$endpoint = WebhookEndpoint::findPk($this->request->getParam('endpointId'));
if ($endpoint->envId != $this->getEnvironmentId() || $endpoint->accountId != $this->getEnvironment()->clientId) {
throw new Scalr_Exception_Core('Insufficient permissions to edit endpoint');
}
if ($endpoint->url != $this->request->getParam('url')) {
$endpoint->url = $this->request->getParam('url');
$endpoint->save();
}
if ($endpoint->validateUrl()) {
$this->response->success(sprintf('Endpoint %s successfully validated', $endpoint->url));
} else {
$this->response->failure(sprintf('Unable to validate endpoint %s. Token was not returned.', $endpoint->url));
}
$this->response->data(array('endpoint' => array('endpointId' => $endpoint->endpointId, 'url' => $endpoint->url, 'isValid' => $endpoint->isValid, 'validationToken' => $endpoint->validationToken, 'securityKey' => $endpoint->securityKey)));
}
<?php
require __DIR__ . '/src/prepend.inc.php';
use Scalr\Model\Entity\WebhookHistory;
use Scalr\Model\Entity\WebhookEndpoint;
use Scalr\Model\Entity\WebhookConfig;
try {
$webhookId = $_SERVER['HTTP_X_SCALR_WEBHOOK_ID'];
$signature = $_SERVER['HTTP_X_SIGNATURE'];
$date = $_SERVER['HTTP_DATE'];
$history = WebhookHistory::findPk($webhookId);
if (!$history) {
throw new Exception("Bad request (1)");
}
$endpoint = WebhookEndpoint::findPk($history->endpointId);
$webhook = WebhookConfig::findPk($history->webhookId);
$canonicalString = $history->payload . $date;
$validSignature = hash_hmac('SHA1', $canonicalString, $endpoint->securityKey);
if ($signature != $validSignature) {
throw new Exception("Bad request (2)");
}
$payload = json_decode($history->payload);
$text = "\n========= Event ========\n\nEVENT_NAME: {$payload->eventName}\nEVENT_ID: {$payload->eventId}\n\n========= Farm ========\n\nFARM_ID: {$payload->data->SCALR_EVENT_FARM_ID}\nFARM_NAME: {$payload->data->SCALR_EVENT_FARM_NAME}\n\n========= Role ========\n\nFARM_ROLE_ID: {$payload->data->SCALR_EVENT_FARM_ROLE_ID}\nROLE_NAME: {$payload->data->SCALR_FARM_ROLE_ALIAS}\n\n========= Server =========\n\nSERVER_ID: {$payload->data->SCALR_EVENT_SERVER_ID}\nCLOUD_SERVER_ID: {$payload->data->SCALR_EVENT_CLOUD_SERVER_ID}\nPUBLIC_IP: {$payload->data->SCALR_EVENT_INTERNAL_IP}\nPRIVATE_IP: {$payload->data->SCALR_EVENT_EXTERNAL_IP}\nCLOUD_LOCATION: {$payload->data->SCALR_EVENT_CLOUD_LOCATION}\nCLOUD_LOCATION_ZONE: {$payload->data->SCALR_EVENT_CLOUD_LOCATION_ZONE}\n";
$subject = "{$payload->data->SCALR_EVENT_FARM_NAME}: {$payload->eventName} on {$payload->data->SCALR_EVENT_SERVER_ID} ({$payload->data->SCALR_EVENT_EXTERNAL_IP})";
$mailer = Scalr::getContainer()->mailer->setFrom('*****@*****.**', 'Scalr')->setMessage($text)->setSubject($subject);
$emails = explode(",", $webhook->postData);
foreach ($emails as $email) {
if ($email) {
$mailer->send($email);
}
}
/**
* Fetches endpoint from database
*
* @return WebhookEndpoint|null Returns endpoint object or null
*/
public function fetchEndpoint()
{
$this->_endpoint = WebhookEndpoint::findPk($this->endpointId);
return $this->_endpoint;
}
