/**
* Returns a parameter from the current request and expands its URI
* using the local namespace table. It also strips slashes if
* magic_quotes_gpc is turned on in PHP.
*
* @param string $name the name of the parameter
* @param boolean $expandNamespace Whether to expand the namespace or not
*
* @return mixed the parameter or null if not found
*/
public function getParam($key, $default = null, $expandNamespace = false)
{
// get parameter value from Zend_Request
$value = parent::getParam($key, $default);
if ($expandNamespace) {
// expandable parameters cannot be arrays
if (is_array($value)) {
$value = current($value);
}
// expand namespace
$value = OntoWiki_Utils::expandNamespace($value);
}
// strip slash quotes if necessary
if (get_magic_quotes_gpc() && is_string($value)) {
$value = stripslashes($value);
}
return $value;
}
public function onBuildUrl($event)
{
$site = $this->getSiteConfig();
$graph = isset($site['model']) ? $site['model'] : null;
$resource = isset($event->params['r']) ? OntoWiki_Utils::expandNamespace($event->params['r']) : null;
// URL for this site?
if ($graph === (string) OntoWiki::getInstance()->selectedModel && !empty($this->_site)) {
if (false !== strpos($resource, $graph)) {
// LD-capable
if ((string) $resource[strlen($resource) - 1] == '/') {
// Slash should not get a suffix
$event->url = (string) $resource;
// URL created
return true;
} else {
$event->url = $resource . $this->getCurrentSuffix();
// URL created
return true;
}
} else {
// classic
$event->route = null;
$event->controller = 'site';
$event->action = $site['id'];
// URL not created, but params changed
return false;
}
}
}
/**
* Returns a parameter from the current request and expands its URI
* using the local namespace table. It also strips slashes if
* magic_quotes_gpc is turned on in PHP.
*
* @param string $name the name of the parameter
* @param boolean $expandNamespace Whether to expand the namespace or not
*
* @deprecated 0.9.5, use OntoWiki_Request::getParam() instead
*
* @return mixed the parameter or null if not found
*/
public function getParam($name, $expandNamespace = false)
{
$value = $this->_request->getParam($name);
if ($expandNamespace) {
$value = OntoWiki_Utils::expandNamespace($value);
}
if (get_magic_quotes_gpc()) {
$value = stripslashes($value);
}
return $value;
}
/**
* Deletes one or more resources denoted by param 'r'
* TODO: This should be done by a evolution pattern in the future
*/
public function deleteAction()
{
$this->view->clearModuleCache();
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
$store = $this->_erfurt->getStore();
$model = $this->_owApp->selectedModel;
$modelIri = (string) $model;
$redirect = $this->_request->getParam('redirect', $this->_config->urlBase);
if (isset($this->_request->r)) {
$resources = $this->_request->getParam('r', array());
} else {
throw new OntoWiki_Exception('Missing parameter r!');
}
if (!is_array($resources)) {
$resources = array($resources);
}
// get versioning
$versioning = $this->_erfurt->getVersioning();
$count = 0;
if ($this->_erfurt->getAc()->isModelAllowed('edit', $modelIri)) {
foreach ($resources as $resource) {
// if we have only a nice uri, fill to full uri
if (Zend_Uri::check($resource) == false) {
// check for namespace
if (strstr($resource, ':')) {
$resource = OntoWiki_Utils::expandNamespace($resource);
} else {
$resource = $model->getBaseIri() . $resource;
}
}
// action spec for versioning
$actionSpec = array();
$actionSpec['type'] = 130;
$actionSpec['modeluri'] = $modelIri;
$actionSpec['resourceuri'] = $resource;
// starting action
$versioning->startAction($actionSpec);
$stmtArray = array();
// query for all triples to delete them
$sparqlQuery = new Erfurt_Sparql_SimpleQuery();
$sparqlQuery->setProloguePart('SELECT ?p, ?o');
$sparqlQuery->addFrom($modelIri);
$sparqlQuery->setWherePart('{ <' . $resource . '> ?p ?o . }');
$result = $store->sparqlQuery($sparqlQuery, array('result_format' => 'extended'));
// transform them to statement array to be compatible with store methods
foreach ($result['results']['bindings'] as $stmt) {
$stmtArray[$resource][$stmt['p']['value']][] = $stmt['o'];
}
$store->deleteMultipleStatements($modelIri, $stmtArray);
// stopping action
$versioning->endAction();
$count++;
}
$message = $count . ' resource' . ($count != 1 ? 's' : '') . ($count ? ' successfully' : '') . ' deleted.';
$this->_owApp->appendMessage(new OntoWiki_Message($message, OntoWiki_Message::SUCCESS));
} else {
$message = 'not allowed.';
$this->_owApp->appendMessage(new OntoWiki_Message($message, OntoWiki_Message::WARNING));
}
$event = new Erfurt_Event('onDeleteResources');
$event->resourceArray = $resources;
$event->modelUri = $modelIri;
$event->trigger();
$this->_redirect($redirect, array('code' => 302));
}
/**
* webservice to save a query
*/
public function savequeryAction()
{
$this->_helper->layout()->disableLayout();
$response = $this->getResponse();
$response->setHeader('Content-Type', 'text/plain');
$store = $this->_erfurt->getStore();
$storeGraph = $this->_owApp->selectedModel;
$graphUri = (string) $this->_owApp->selectedModel;
$res = "json or desc missing";
// checking for post data to save queries
$params = $this->_request->getParams();
if (isset($params['json']) && isset($params['json'])) {
if ($this->_request->getParam('share') == "true") {
// store in the model itself - everybody can see it
$storeGraph = $this->_owApp->selectedModel;
} else {
//private db - should be configured so only the user can see it
$storeGraph = $this->getUserQueryDB();
}
// checking whether any queries exist yet in this store
$existingQueriesQuery = Erfurt_Sparql_SimpleQuery::initWithString('SELECT *
WHERE {
?query <' . EF_RDF_TYPE . '> <' . OntoWiki_Utils::expandNamespace($this->_privateConfig->saving->ClassUri) . '> .
}');
$existingQueries = $storeGraph->sparqlQuery($existingQueriesQuery);
if (empty($existingQueries)) {
//this is the first query
$this->insertInitials($storeGraph);
}
$hash = md5($this->_request->getParam('json') . $this->_request->getParam('query'));
$name = (string) $storeGraph . '#Query-' . $hash;
// checking whether a query with same content (Where-Part) already exists (check by md5 sum)
$existingDataQuery = Erfurt_Sparql_SimpleQuery::initWithString('SELECT *
WHERE {
<' . $name . '> a <' . OntoWiki_Utils::expandNamespace($this->_privateConfig->saving->ClassUri) . '>
}');
$existingData = $storeGraph->sparqlQuery($existingDataQuery);
if (empty($existingData)) {
//such a query is not saved yet - lets save it
$storeGraph->addStatement($name, EF_RDF_TYPE, array('value' => $this->_privateConfig->saving->ClassUri, 'type' => 'uri'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->ModelUri, array('value' => (string) $this->_owApp->selectedModel, 'type' => 'uri'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->NameUri, array('value' => $this->_request->getParam('name'), 'type' => 'literal'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->DateUri, array('value' => (string) date('c'), 'type' => 'literal', 'datatype' => OntoWiki_Utils::expandNamespace('xsd:dateTime')), false);
$storeGraph->addStatement($name, OntoWiki_Utils::expandNamespace($this->_privateConfig->saving->NumViewsUri), array('value' => '1', 'type' => 'literal', 'datatype' => OntoWiki_Utils::expandNamespace('xsd:integer')), false);
if ($this->_request->getParam('generator') == "gqb" || $this->_request->getParam('generator') == "qb") {
$storeGraph->addStatement($name, $this->_privateConfig->saving->JsonUri, array('value' => $this->_request->getParam('json'), 'type' => 'literal'), false);
}
$storeGraph->addStatement($name, $this->_privateConfig->saving->QueryUri, array('value' => $this->_request->getParam('query'), 'type' => 'literal'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->GeneratorUri, array('value' => $this->_request->getParam('generator'), 'type' => 'literal'), false);
if ($this->_request->getParam('generator') == "gqb") {
$storeGraph->addStatement($name, $this->_privateConfig->saving->IdUri, array('value' => $this->_request->getParam('id'), 'type' => 'literal'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->SelClassUri, array('value' => $this->_request->getParam('type'), 'type' => 'uri'), false);
$storeGraph->addStatement($name, $this->_privateConfig->saving->SelClassLabelUri, array('value' => $this->_request->getParam('typelabel'), 'type' => 'literal'), false);
} else {
//TODO gqb uses id - qb not... needed?
$storeGraph->addStatement($name, $this->_privateConfig->saving->IdUri, array('value' => $hash, 'type' => 'literal'), false);
}
$user = $this->_erfurt->getAuth()->getIdentity();
$userUri = $user->getUri();
$storeGraph->addStatement($name, $this->_privateConfig->saving->CreatorUri, array('value' => $userUri, 'type' => 'uri'), false);
$res = 'All OK';
} else {
$res = 'Save failed. (Query with same pattern exists)';
}
}
$response->setBody($res);
}
