/**
* Authenticate user from Bearer authentication
* (i.e. Single Sign On request with oAuth2)
*
* Assume either a JSON Web Token encoded by resto or a token generated by an SSO issuer (e.g. google)
*
* @param string $token
*/
private function authenticateBearer($token)
{
try {
/*
* If issuer_id is specified in the request then assumes a third party token.
* In this case, transform this third party token into a resto token
*/
if (isset($this->context->query['issuerId']) && isset($this->context->modules['Auth'])) {
$auth = RestoUtil::instantiate($this->context->modules['Auth']['className'], $this->context, null);
$token = $auth->getProfileToken($this->context->query['issuerId'], $token);
}
$payloadObject = json_decode(json_encode((array) $this->context->decodeJWT($token)), true);
$this->user = new RestoUser($payloadObject['data'], $this->context);
/*
* Assign token to user
*/
$this->user->token = $token;
} catch (Exception $ex) {
}
}
/**
* Load all collections from RESTo database and add them to this object
*/
public function loadCollectionsFromStore()
{
$collectionsDescriptions = $this->context->dbDriver->get(RestoDatabaseDriver::COLLECTIONS_DESCRIPTIONS);
foreach (array_keys($collectionsDescriptions) as $key) {
$collection = new RestoCollection($key, $this->context, $this->user);
$collection->model = RestoUtil::instantiate($collectionsDescriptions[$key]['model'], array($collection->context, $collection->user));
$collection->osDescription = $collectionsDescriptions[$key]['osDescription'];
$collection->status = $collectionsDescriptions[$key]['status'];
$collection->owner = $collectionsDescriptions[$key]['owner'];
$collection->license = new RestoLicense($this->context, $collectionsDescriptions[$key]['license']['licenseId'], false);
$collection->license->setDescription($collectionsDescriptions[$key]['license'], false);
$collection->propertiesMapping = $collectionsDescriptions[$key]['propertiesMapping'];
$this->collections[$collection->name] = $collection;
}
return $this;
}
/**
* Set dictionary from input language - default is english
*/
private function setDictionary()
{
$lang = filter_input(INPUT_GET, 'lang', FILTER_SANITIZE_STRING);
if (!isset($lang) || !in_array($lang, $this->languages) || !class_exists('RestoDictionary_' . $lang)) {
$lang = 'en';
}
$this->dictionary = RestoUtil::instantiate('RestoDictionary_' . $lang, array($this->dbDriver));
}
/**
* Launch module run() function if exist otherwise returns 404 Not Found
*
* @param array $segments - path (i.e. a/b/c/d) exploded as an array (i.e. array('a', 'b', 'c', 'd')
* @param array $data - data (POST or PUT)
*/
protected function processModuleRoute($segments, $data = array())
{
$module = null;
foreach (array_keys($this->context->modules) as $moduleName) {
if (isset($this->context->modules[$moduleName]['route'])) {
$moduleSegments = explode('/', $this->context->modules[$moduleName]['route']);
$routeIsTheSame = true;
$count = 0;
for ($i = 0, $l = count($moduleSegments); $i < $l; $i++) {
$count++;
if (!isset($segments[$i]) || $moduleSegments[$i] !== $segments[$i]) {
$routeIsTheSame = false;
break;
}
}
if ($routeIsTheSame) {
$module = RestoUtil::instantiate($moduleName, array($this->context, $this->user));
for ($i = $count; $i--;) {
array_shift($segments);
}
return $module->run($segments, $data);
}
}
}
if (!isset($module)) {
RestoLogUtil::httpError(404);
}
}
/**
* Extend search params with gazetteer results
*
* @param RestoContext $context
* @param RestoUser $user
* @param array $params
*/
private function extendParamsWithGazetteer($params)
{
if (!isset($params['searchTerms']) && !isset($params['geo:lon']) && !isset($params['geo:geometry']) && !isset($params['geo:box'])) {
if (isset($this->context->modules['GazetteerPro'])) {
$gazetteer = RestoUtil::instantiate($this->context->modules['GazetteerPro']['className'], array($this->context, $this->user));
} else {
if (isset($this->context->modules['Gazetteer'])) {
$gazetteer = RestoUtil::instantiate($this->context->modules['Gazetteer']['className'], array($this->context, $this->user));
}
}
if ($gazetteer) {
$location = $gazetteer->search(array('q' => $params['geo:name'], 'wkt' => true));
if (count($location['results']) > 0) {
if (isset($location['results'][0]['hash'])) {
$params['searchTerms'] = 'geohash:' . $location['results'][0]['hash'];
} else {
if (isset($location['results'][0]['geo:geometry'])) {
$params['geo:geometry'] = $location['results'][0]['geo:geometry'];
} else {
if (isset($location['results'][0]['geo:lon'])) {
$params['geo:lon'] = $location['results'][0]['geo:lon'];
$params['geo:lat'] = $location['results'][0]['geo:lat'];
}
}
}
}
}
}
return $params;
}
/**
* Returns location from geohash/geouid
*
* @param string $hashOrUid
*/
public function whereFromGeohashOrGeouid($hashOrUid)
{
if (isset($this->context->modules['GazetteerPro'])) {
$gazetteerPro = RestoUtil::instantiate($this->context->modules['GazetteerPro']['className'], array($this->context, $this->user));
$location = $gazetteerPro->search(array('q' => $hashOrUid, 'wkt' => true, 'preserve' => true, 'tolerance' => 0.05, 'snap' => true, 'lang' => $this->context->dictionary->language === 'en' ? 'en' : $this->context->dictionary->language . ',en'));
return $location['results'];
}
return array();
}
/**
* Set model
*
* @param string $name
*/
private function setModel($name)
{
/*
* Check that input file is for the current collection
*/
if (isset($this->model)) {
if ($this->model->name !== $name) {
RestoLogUtil::httpError(500, 'Property "model" and collection name differ');
}
} else {
$this->model = RestoUtil::instantiate($name, array($this->context, $this->user));
}
}
/**
* Store feature within {collection}.features table following the class model
*
* @param array $data : array (MUST BE GeoJSON in abstract Model)
* @param RestoCollection $collection
*
*/
public function storeFeature($data, $collection)
{
/*
* Assume input file or stream is a JSON Feature
*/
if (!RestoGeometryUtil::isValidGeoJSONFeature($data)) {
RestoLogUtil::httpError(500, 'Invalid feature description');
}
/*
* Remap properties between RESTo model and input
* GeoJSON Feature file
*/
$properties = $this->mapInputProperties($data);
/*
* Add collection to $properties to initialize facet counts on collection
*/
$properties['collection'] = isset($properties['collection']) ? $properties['collection'] : $collection->name;
/*
* Compute unique identifier
*/
if (!isset($data['id']) || !RestoUtil::isValidUUID($data['id'])) {
$featureIdentifier = $collection->toFeatureId(isset($properties['productIdentifier']) ? $properties['productIdentifier'] : md5(microtime() . rand()));
} else {
$featureIdentifier = $data['id'];
}
/*
* First check if feature is already in database
* (do this before getKeywords to avoid iTag process)
*/
if ($collection->context->dbDriver->check(RestoDatabaseDriver::FEATURE, array('featureIdentifier' => $featureIdentifier))) {
RestoLogUtil::httpError(500, 'Feature ' . $featureIdentifier . ' already in database');
}
/*
* Tag module
*/
$keywords = array();
if (isset($collection->context->modules['Tag'])) {
$tagger = RestoUtil::instantiate($collection->context->modules['Tag']['className'], array($collection->context, $collection->user));
$keywords = $tagger->getKeywords($properties, $data['geometry']);
}
/*
* Store feature
*/
$collection->context->dbDriver->store(RestoDatabaseDriver::FEATURE, array('collection' => $collection, 'featureArray' => array('type' => 'Feature', 'id' => $featureIdentifier, 'geometry' => $data['geometry'], 'properties' => array_merge($properties, array('keywords' => $keywords)))));
return new RestoFeature($collection->context, $collection->user, array('featureIdentifier' => $featureIdentifier));
}