cerebrate/libraries/default/InboxProcessors/LocalToolInboxProcessor.php

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<?php
use Cake\ORM\TableRegistry;
use Cake\Filesystem\File;
use Cake\Http\Exception\NotFoundException;
require_once(ROOT . DS . 'libraries' . DS . 'default' . DS . 'InboxProcessors' . DS . 'GenericInboxProcessor.php');
class LocalToolInboxProcessor extends GenericInboxProcessor
{
protected $scope = 'LocalTool';
protected $action = 'not-specified'; //overriden when extending
protected $description = ''; // overriden when extending
protected $registeredActions = [
'IncomingConnectionRequest',
'AcceptedRequest',
'DeclinedRequest',
];
protected $processingTemplate = 'LocalTool/GenericRequest';
protected $Broods;
protected $LocalTools;
public function __construct($loadFromAction=false)
{
parent::__construct($loadFromAction);
$this->Broods = TableRegistry::getTableLocator()->get('Broods');
$this->LocalTools = TableRegistry::getTableLocator()->get('LocalTools');
}
public function create($requestData)
{
return parent::create($requestData);
}
protected function updateProcessingTemplate($request)
{
$connectorName = $request->connector['connector'];
$processingTemplatePath = sprintf('%s/%s/%s.php', $this->scope, $connectorName, $this->action);
$file = new File($this->processingTemplatesDirectory . DS . $processingTemplatePath);
if ($file->exists()) {
$this->processingTemplate = str_replace('.php', '', $processingTemplatePath);
}
$file->close();
}
protected function validateConnectorName($requestData)
{
if (empty($requestData['data']['connectorName'])) {
throw new NotFoundException('Error while validating request data. Connector name is missing.');
}
$connector = $this->getConnectorFromClassname($requestData['data']['connectorName']);
if (is_null($connector)) {
throw new NotFoundException(__('Error while validating request data. Unkown connector `{0}`', $requestData['data']['connectorName']));
}
}
protected function getIssuerBrood($request)
{
$brood = $this->Broods->find()
->where(['url' => $request['origin']])
->first();
return $brood;
}
protected function getConnection($requestData)
{
$local_tool_id = $requestData['remote_tool_id']; // local_tool_id is actually the remote_tool_id for the sender
$connection = $this->LocalTools->find()->where(['id' => $local_tool_id])->first();
return $connection;
}
protected function filterAlignmentsForBrood($individual, $brood)
{
foreach ($individual->alignments as $i => $alignment) {
if ($alignment->organisation_id != $brood->organisation_id) {
unset($individual->alignments[$i]);
}
}
return $individual;
}
protected function getConnector($request)
{
try {
$connectorClasses = $this->LocalTools->getConnectors($request->local_tool_connector_name);
if (!empty($connectorClasses)) {
$connector = array_values($connectorClasses)[0];
}
} catch (NotFoundException $e) {
$connector = null;
}
return $connector;
}
protected function getConnectorMeta($request)
{
try {
$className = $request->local_tool_connector_name;
$connector = $this->getConnectorFromClassname($className);
$connectorMeta = $this->LocalTools->extractMeta([$className => $connector])[0];
} catch (NotFoundException $e) {
$connectorMeta = [];
}
return $connectorMeta;
}
protected function getConnectorFromClassname($className)
{
try {
$connectorClasses = $this->LocalTools->getConnectors($className);
if (!empty($connectorClasses)) {
$connector = array_values($connectorClasses)[0];
}
} catch (NotFoundException $e) {
$connector = null;
}
return $connector;
}
protected function getConnectorMetaFromClassname($className)
{
try {
$connector = $this->getConnectorFromClassname($className);
$connectorMeta = $this->LocalTools->extractMeta([$className => $connector])[0];
} catch (NotFoundException $e) {
$connectorMeta = [];
}
return $connectorMeta;
}
protected function attachRequestAssociatedData($request)
{
$request->brood = $this->getIssuerBrood($request);
$request->connector = $this->getConnectorMeta($request);
$request->individual = $request->user->individual;
$request->individual = $this->filterAlignmentsForBrood($request->individual, $request->brood);
return $request;
}
protected function genBroodParam($remoteCerebrate, $connection, $connector, $requestData)
{
$local_tool_id = $requestData['remote_tool_id']; // local_tool_id is actually the remote_tool_id for the sender
$remote_tool_id = $requestData['local_tool_id']; // remote_tool_id is actually the local_tool_id for the sender
$remote_org = $this->Broods->Organisations->find()->where(['id' => $remoteCerebrate->organisation_id])->first();
return [
'remote_tool' => [
'id' => $remote_tool_id,
'connector' => $connector->connectorName,
'name' => $requestData['tool_name'],
],
'remote_org' => $remote_org,
'remote_tool_data' => $requestData,
'remote_cerebrate' => $remoteCerebrate,
'connection' => $connection,
'connector' => [$connector->connectorName => $connector],
];
}
protected function addBaseValidatorRules($validator)
{
return $validator
->requirePresence('connectorName')
->notEmpty('connectorName', 'The connector name must be provided')
->requirePresence('cerebrateURL')
->notEmpty('cerebrateURL', 'A url must be provided')
->requirePresence('local_tool_id')
->numeric('local_tool_id', 'A local_tool_id must be provided')
->requirePresence('remote_tool_id')
->numeric('remote_tool_id', 'A remote_tool_id must be provided');
// ->add('url', 'validFormat', [
// 'rule' => 'url',
// 'message' => 'URL must be valid'
// ]);
}
}
class IncomingConnectionRequestProcessor extends LocalToolInboxProcessor implements GenericInboxProcessorActionI {
public $action = 'IncomingConnectionRequest';
protected $description;
public function __construct() {
parent::__construct();
$this->description = __('Handle Phase I of inter-connection when another cerebrate instance performs the request.');
}
protected function addValidatorRules($validator)
{
return $this->addBaseValidatorRules($validator);
}
public function create($requestData) {
$this->validateConnectorName($requestData);
$this->validateRequestData($requestData);
$connectorMeta = $this->getConnectorMetaFromClassname($requestData['data']['connectorName']);
$requestData['title'] = __('Request for {0} Inter-connection', $connectorMeta['name']);
return parent::create($requestData);
}
public function getViewVariables($request)
{
$request = $this->attachRequestAssociatedData($request);
return [
'request' => $request,
'progressStep' => 0,
];
}
public function process($id, $requestData, $inboxRequest)
{
/**
* /!\ Should how should sent message be? be fire and forget? Only for delined?
*/
$interConnectionResult = [];
$remoteCerebrate = $this->getIssuerBrood($inboxRequest);
$connector = $this->getConnector($inboxRequest);
if (!empty($requestData['is_discard'])) { // -> declined
$connectorResult = $this->declineConnection($connector, $remoteCerebrate, $inboxRequest['data']); // Fire-and-forget?
$connectionSuccessfull = !empty($connectorResult['success']);
$resultTitle = __('Could not sent declined message to `{0}`\'s for {1}', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
$errors = [];
if ($connectionSuccessfull) {
$resultTitle = __('Declined message successfully sent to `{0}`\'s for {1}', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
$this->discard($id, $inboxRequest);
}
} else {
$errors = [];
$connectorResult = [];
$thrownErrorMessage = '';
try {
$connectorResult = $this->acceptConnection($connector, $remoteCerebrate, $inboxRequest['data']);
$connectionSuccessfull = !empty($connectorResult['success']);
} catch (\Throwable $th) {
$connectionSuccessfull = false;
$thrownErrorMessage = $th->getMessage();
}
$resultTitle = $connectorResult['message'] ?? __('Could not inter-connect `{0}`\'s {1}', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
$errors = $connectorResult['errors'] ?? $thrownErrorMessage;
if ($connectionSuccessfull) {
$resultTitle = __('Interconnection for `{0}`\'s {1} created', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
}
if ($connectionSuccessfull || !empty($connectorResult['placed_in_outbox'])) {
$this->discard($id, $inboxRequest);
}
}
return $this->genActionResult(
$connectorResult,
$connectionSuccessfull,
$resultTitle,
$errors
);
}
public function discard($id, $requestData)
{
return parent::discard($id, $requestData);
}
protected function acceptConnection($connector, $remoteCerebrate, $requestData)
{
$connection = $this->getConnection($requestData);
$params = $this->genBroodParam($remoteCerebrate, $connection, $connector, $requestData);
$connectorResult = $connector->acceptConnectionWrapper($params);
$response = $this->sendAcceptedRequestToRemote($params, $connectorResult);
return $response;
}
protected function declineConnection($connector, $remoteCerebrate, $requestData)
{
$connection = $this->getConnection($requestData);
$params = $this->genBroodParam($remoteCerebrate, $connection, $connector, $requestData);
$connectorResult = $connector->declineConnectionWrapper($params);
$response = $this->sendDeclinedRequestToRemote($params, $connectorResult);
return $response;
}
protected function sendAcceptedRequestToRemote($params, $connectorResult)
{
$response = $this->Broods->sendLocalToolAcceptedRequest($params, $connectorResult);
return $response;
}
protected function sendDeclinedRequestToRemote($remoteCerebrate, $connectorResult)
{
$response = $this->Broods->sendLocalToolDeclinedRequest($params, $connectorResult);
return $response;
}
}
class AcceptedRequestProcessor extends LocalToolInboxProcessor implements GenericInboxProcessorActionI {
public $action = 'AcceptedRequest';
protected $description;
public function __construct() {
parent::__construct();
$this->description = __('Handle Phase II of inter-connection when initial request has been accepted by the remote cerebrate.');
}
protected function addValidatorRules($validator)
{
return $this->addBaseValidatorRules($validator);
}
public function create($requestData) {
$this->validateConnectorName($requestData);
$this->validateRequestData($requestData);
$connectorMeta = $this->getConnectorMetaFromClassname($requestData['data']['connectorName']);
$requestData['title'] = __('Inter-connection for {0} has been accepted', $connectorMeta['name']);
return parent::create($requestData);
}
public function getViewVariables($request)
{
$request = $this->attachRequestAssociatedData($request);
return [
'request' => $request,
'progressStep' => 1,
];
}
public function process($id, $requestData, $inboxRequest)
{
$connector = $this->getConnector($inboxRequest);
$remoteCerebrate = $this->getIssuerBrood($inboxRequest);
$errors = [];
$connectorResult = [];
$thrownErrorMessage = '';
try {
$connectorResult = $this->finaliseConnection($connector, $remoteCerebrate, $inboxRequest['data']);
$connectionSuccessfull = !empty($connectorResult['success']);
} catch (\Throwable $th) {
$connectionSuccessfull = false;
$errors = $th->getMessage();
}
$resultTitle = __('Could not finalize inter-connection for `{0}`\'s {1}', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
$errors = $connectorResult['errors'] ?? $thrownErrorMessage;
if ($connectionSuccessfull) {
$resultTitle = __('Interconnection for `{0}`\'s {1} finalized', $inboxRequest['origin'], $inboxRequest['local_tool_name']);
$this->discard($id, $requestData);
}
return $this->genActionResult(
$connectorResult,
$connectionSuccessfull,
$resultTitle,
$errors
);
}
public function discard($id, $requestData)
{
return parent::discard($id, $requestData);
}
protected function finaliseConnection($connector, $remoteCerebrate, $requestData)
{
$connection = $this->getConnection($requestData);
$params = $this->genBroodParam($remoteCerebrate, $connection, $connector, $requestData);
$connectorResult = $connector->finaliseConnectionWrapper($params);
return [
'success' => true
];
}
}
class DeclinedRequestProcessor extends LocalToolInboxProcessor implements GenericInboxProcessorActionI {
public $action = 'DeclinedRequest';
protected $description;
public function __construct() {
parent::__construct();
$this->description = __('Handle Phase II of MISP inter-connection when initial request has been declined by the remote cerebrate.');
}
protected function addValidatorRules($validator)
{
return $this->addBaseValidatorRules($validator);
}
public function create($requestData) {
$this->validateConnectorName($requestData);
$this->validateRequestData($requestData);
$connectorMeta = $this->getConnectorMetaFromClassname($requestData['data']['connectorName']);
$requestData['title'] = __('Declined inter-connection for {0}', $connectorMeta['name']);
return parent::create($requestData);
}
public function getViewVariables($request)
{
$request = $this->attachRequestAssociatedData($request);
return [
'request' => $request,
'progressStep' => 1,
'progressVariant' => 'danger',
'steps' => [
1 => ['icon' => 'times', 'text' => __('Request Declined'), 'confirmButton' => __('Clean-up')],
2 => ['icon' => 'trash', 'text' => __('Clean-up')],
]
];
}
public function process($id, $requestData, $inboxRequest)
{
$connectionSuccessfull = false;
$interConnectionResult = [];
if ($connectionSuccessfull) {
$this->discard($id, $requestData);
}
return $this->genActionResult(
$interConnectionResult,
$connectionSuccessfull,
$connectionSuccessfull ? __('Interconnection for `{0}`\'s {1} finalized', $requestData['origin'], $requestData['local_tool_name']) : __('Could not inter-connect `{0}`\'s {1}', $requestData['origin'], $requestData['local_tool_name']),
[]
);
}
public function discard($id, $requestData)
{
return parent::discard($id, $requestData);
}
}