/**
* Handles responses to the PROPFIND request.
*
* Checks if lock related properties were requested in the $request. If
* this is the case, $responses will be manipulated accordingly: Requested
* properties which are not handled by the backend are added to the 200
* status storage and removed from the 404 status storage.
*
* @param ezcWebdavResponse $response ezcWebdavMultistatusResponse
* @return null
*/
public function generatedResponse(ezcWebdavResponse $response)
{
if (!$response instanceof ezcWebdavMultistatusResponse) {
return;
}
// Cleanup and enhance all PROPSTAT responses
foreach ($response->responses as $propFindRes) {
$status200Storage = null;
$status404Storage = null;
// Collect property storages
foreach ($propFindRes->responses as $propStatResponse) {
if ($propStatResponse->status === ezcWebdavResponse::STATUS_200) {
$status200Storage = $propStatResponse->storage;
}
if ($propStatResponse->status === ezcWebdavResponse::STATUS_404) {
$status404Storage = $propStatResponse->storage;
}
}
if ($status404Storage !== null || $this->request->allProp || $this->request->propName) {
if ($this->request->allProp || $this->request->propName || $status404Storage->contains('lockdiscovery')) {
if ($status200Storage === null) {
$status200Storage = new ezcWebdavBasicPropertyStorage();
$responses = $propFindRes->responses;
$responses[] = new ezcWebdavPropStatResponse($status200Storage);
$propFindRes->responses = $responses;
}
$status200Storage->attach(new ezcWebdavLockDiscoveryProperty());
if ($status404Storage !== null) {
$status404Storage->detach('lockdiscovery');
}
}
if ($this->request->allProp || $this->request->propName || $status404Storage->contains('supportedlock')) {
if ($status200Storage === null) {
$status200Storage = new ezcWebdavBasicPropertyStorage();
$responses = $propFindRes->responses;
$responses[] = new ezcWebdavPropStatResponse($status200Storage);
$propFindRes->responses = $responses;
}
$supportedLock = new ezcWebdavSupportedLockProperty(new ArrayObject($this->request->propName ? array() : array(new ezcWebdavSupportedLockPropertyLockentry(ezcWebdavLockRequest::TYPE_WRITE, ezcWebdavLockRequest::SCOPE_EXCLUSIVE), new ezcWebdavSupportedLockPropertyLockentry(ezcWebdavLockRequest::TYPE_WRITE, ezcWebdavLockRequest::SCOPE_SHARED))));
$status200Storage->attach($supportedLock);
if ($status404Storage !== null) {
$status404Storage->detach('supportedlock');
}
}
}
if (count($status404Storage) === 0) {
$responses = $propFindRes->responses;
foreach ($responses as $id => $propStatRes) {
if ($propStatRes->status === ezcWebdavResponse::STATUS_404) {
unset($responses[$id]);
}
}
$propFindRes->responses = $responses;
}
}
}
/**
* Return an initial set of properties for resources and collections.
*
* The second parameter indicates wheather the given resource is a
* collection. The returned properties are used to initialize the property
* arrays for the given content.
*
* @param string $name
* @param bool $isCollection
* @return array
*
* @access protected
*/
public function initializeProperties($name, $isCollection = false)
{
if ($this->fakeLiveProperties) {
$propertyStorage = new ezcWebdavBasicPropertyStorage();
// Add default creation date
$propertyStorage->attach(new ezcWebdavCreationDateProperty(new ezcWebdavDateTime('@1054034820')));
// Define default display name
$propertyStorage->attach(new ezcWebdavDisplayNameProperty(basename(urldecode($name))));
// Define default language
$propertyStorage->attach(new ezcWebdavGetContentLanguageProperty(array('en')));
// Define default content type
$propertyStorage->attach(new ezcWebdavGetContentTypeProperty($isCollection ? 'httpd/unix-directory' : 'application/octet-stream'));
// Define default ETag
$propertyStorage->attach(new ezcWebdavGetEtagProperty($this->getETag($name)));
// Define default modification time
$propertyStorage->attach(new ezcWebdavGetLastModifiedProperty(new ezcWebdavDateTime('@1124118780')));
// Define content length if node is a resource.
$propertyStorage->attach(new ezcWebdavGetContentLengthProperty($isCollection ? ezcWebdavGetContentLengthProperty::COLLECTION : (string) strlen($this->content[$name])));
$propertyStorage->attach(new ezcWebdavResourceTypeProperty($isCollection === true ? ezcWebdavResourceTypeProperty::TYPE_COLLECTION : ezcWebdavResourceTypeProperty::TYPE_RESOURCE));
} else {
$propertyStorage = new ezcWebdavBasicPropertyStorage();
}
return $propertyStorage;
}
/**
* Manually sets a property on a resource.
*
* Sets the given $propertyBackup for the resource identified by $path.
*
* @param string $path
* @param ezcWebdavProperty $property
* @return bool
*/
public function setProperty($path, ezcWebdavProperty $property)
{
if (!in_array($property->name, $this->handledLiveProperties, true)) {
return false;
}
// @as @todo implement setting properties
// @todo implement locking and unlocking based on the code
// lock:
// replace 30607 with your object ID
// $object = eZContentObject::fetch( 30607 );
// $stateGroup = eZContentObjectStateGroup::fetchByIdentifier( 'ez_lock' );
// $state = eZContentObjectState::fetchByIdentifier( 'locked', $stateGroup->attribute( 'id' ) );
// $object->assignState( $state );
// unlock:
// $state = eZContentObjectState::fetchByIdentifier( 'not_locked', $stateGroup->attribute( 'id' ) );
// $object->assignState( $state );
// Get namespace property storage
$storage = new ezcWebdavBasicPropertyStorage();
// Attach property to store
$storage->attach($property);
// Store document back
$this->storeProperties($path, $storage);
return true;
}
/**
* Intersects between two property storages.
*
* Calculate and return an instance of {@link
* ezcWebdavBasicPropertyStorage} which contains the intersection of two
* property storages. This means a new property storage will be return
* which contains all values, which are present in the current and the
* given $properties property storage.
*
* @param ezcWebdavPropertyStorage $properties
* @return ezcWebdavBasicPropertyStorage
*/
public function intersect(ezcWebdavPropertyStorage $properties)
{
$foreign = $properties->getAllProperties();
$intersection = new ezcWebdavBasicPropertyStorage();
foreach ($this->properties as $namespace => $properties) {
foreach ($properties as $name => $property) {
if (isset($foreign[$namespace][$name])) {
// Only add properties to new property storage, which could
// be found in both property storages.
$intersection->attach($property);
}
}
}
return $intersection;
}
/**
* Returns extracted properties in an ezcWebdavPropertyStorage.
*
* This method receives a DOMNodeList $domNodes which must contain a set
* of DOMElement objects, while each of those represents a WebDAV property.
*
* The list may contain live properties as well as dead ones. Live
* properties ({@link ezcWebdavLiveProperty}) as defined in RFC 2518 are
* currently recognized, except for locking related properties. All other
* properties in the DAV: namespace are added as dead properties ({@link
* ezcWebdavDeadProperty}). Dead properties are parsed generally in any
* namespace.
*
* The extracted properties are stored in the given {@link
* ezcWebdavPropertyStorage} $storage. If a $flag value is provided, this
* one is submitted as the second parameter to {@link
* ezcWebdavFlaggedPropertyStorage->attach()}.
*
* @param DOMNodeList $domNodes
* @param ezcWebdavBasicPropertyStorage $storage
* @param int $flag
* @return ezcWebdavBasicPropertyStorage
*/
public final function extractProperties(DOMNodeList $domNodes, ezcWebdavBasicPropertyStorage $storage, $flag = null)
{
for ($i = 0; $i < $domNodes->length; ++$i) {
$currentNode = $domNodes->item($i);
if ($currentNode->nodeType !== XML_ELEMENT_NODE) {
// Skip
continue;
}
// Initialize
$property = null;
// DAV: namespace indicates live property! If parsing live fails, a dead property is returned
if ($currentNode->namespaceURI === ezcWebdavXmlTool::XML_DEFAULT_NAMESPACE) {
$property = $this->dispatchExtractLiveProperty($currentNode);
} else {
$property = $this->dispatchExtractDeadProperty($currentNode);
}
$flag === null ? $storage->attach($property) : $storage->attach($property, $flag);
}
return $storage;
}
public function testDeadPropertyRetrieval()
{
$backend = new ezcWebdavFileBackend($this->tempDir . 'backend/');
$backend->options->useMimeExts = false;
$newProperties = new ezcWebdavFlaggedPropertyStorage();
$newProperties->attach($prop = new ezcWebdavDeadProperty('foo:', 'bar', "<?xml version=\"1.0\"?>\n<bar xmlns=\"foo:\">some content</bar>\n"), ezcWebdavPropPatchRequest::SET);
$request = new ezcWebdavPropPatchRequest('/resource');
$request->updates = $newProperties;
$request->validateHeaders();
$response = $backend->proppatch($request);
$this->assertTrue(is_file($this->tempDir . 'backend/.ezc/resource.xml'), 'Expected creation of property storage.');
$request = new ezcWebdavPropFindRequest('/resource');
$request->prop = $newProperties;
$request->validateHeaders();
$response = $backend->propfind($request);
$responseProperty = new ezcWebdavBasicPropertyStorage();
$responseProperty->attach($prop);
$responseProperty->rewind();
$expectedResponse = new ezcWebdavMultistatusResponse(new ezcWebdavPropFindResponse(new ezcWebdavResource('/resource'), new ezcWebdavPropStatResponse($responseProperty)));
$this->assertEquals($expectedResponse, $response, 'Expected response does not match real response.', 0, 20);
$this->assertEquals(new ezcWebdavDeadProperty('foo:', 'bar', "<?xml version=\"1.0\"?>\n<bar xmlns=\"foo:\">some content</bar>\n"), $backend->getProperty('/resource', 'bar', 'foo:'));
}
public function testPropPatchCombinedSetDeleteValidationError()
{
$backend = new ezcWebdavMemoryBackend(true);
$backend->addContents(array('foo' => 'bar', 'bar' => array('blubb' => 'Somme blubb blubbs.')));
// First add some custom properties.
$newProperties = new ezcWebdavFlaggedPropertyStorage();
$newProperties->attach($p_bar = new ezcWebdavDeadProperty('foo:', 'bar', 'some content'), ezcWebdavPropPatchRequest::SET);
$newProperties->attach($p_blubb = new ezcWebdavDeadProperty('foo:', 'blubb', 'some other content'), ezcWebdavPropPatchRequest::SET);
$request = new ezcWebdavPropPatchRequest('/foo');
$request->updates = $newProperties;
$request->validateHeaders();
$response = $backend->proppatch($request);
$resProps = new ezcWebdavBasicPropertyStorage();
$resProps->attach(new ezcWebdavDeadProperty('foo:', 'bar'));
$resProps->attach(new ezcWebdavDeadProperty('foo:', 'blubb'));
$this->assertEquals(new ezcWebdavPropPatchResponse(new ezcWebdavResource('/foo'), new ezcWebdavPropStatResponse($resProps)), $response, 'Expected property adding PROPPATCH response does not match real response.', 0, 20);
// Then remove them again, with one live property in the middle to
// check for proper failed dependency response codes.
$updateProperties = new ezcWebdavFlaggedPropertyStorage();
$updateProperties->attach($p_blubb, ezcWebdavPropPatchRequest::REMOVE);
$updateProperties->attach($p_length = new ezcWebdavGetContentLengthProperty(), ezcWebdavPropPatchRequest::REMOVE);
// Cause validation error
$p_length->length = 'not a number';
$updateProperties->attach($p_foo = new ezcWebdavDeadProperty('foo:', 'foo', 'random content'), ezcWebdavPropPatchRequest::SET);
$updateProperties->attach($p_bar, ezcWebdavPropPatchRequest::REMOVE);
$request = new ezcWebdavPropPatchRequest('/foo');
$request->updates = $updateProperties;
$request->validateHeaders();
$response = $backend->proppatch($request);
$failed = new ezcWebdavBasicPropertyStorage();
$failed->attach($p_length);
$depError = new ezcWebdavBasicPropertyStorage();
$depError->attach($p_foo);
$depError->attach($p_bar);
$failed->rewind();
$depError->rewind();
$this->assertEquals(new ezcWebdavMultistatusResponse(new ezcWebdavPropPatchResponse(new ezcWebdavResource('/foo'), new ezcWebdavPropStatResponse(new ezcWebdavBasicPropertyStorage(), ezcWebdavResponse::STATUS_403), new ezcWebdavPropStatResponse($failed, ezcWebdavResponse::STATUS_409), new ezcWebdavPropStatResponse($depError, ezcWebdavResponse::STATUS_424))), $response, 'Expected property removing PROPPATCH response does not match real response.', 0, 20);
}
/**
* Serves PROPPATCH requests.
*
* The method receives a {@link ezcWebdavPropPatchRequest} object
* containing all relevant information obout the clients request and will
* return an instance of {@link ezcWebdavErrorResponse} on error or a
* {@link ezcWebdavPropPatchResponse} response on success. If the
* referenced resource is a collection or if only some properties produced
* errors, an instance of {@link ezcWebdavMultistatusResponse} may be
* returned.
*
* @param ezcWebdavPropPatchRequest $request
* @return ezcWebdavResponse
*/
public function propPatch(ezcWebdavPropPatchRequest $request)
{
$source = $request->requestUri;
// Check authorization
// Need to do this before checking of node existence is checked, to
// avoid leaking information
if (!ezcWebdavServer::getInstance()->isAuthorized($source, $request->getHeader('Authorization'), ezcWebdavAuthorizer::ACCESS_WRITE)) {
return $this->createUnauthorizedResponse($source, $request->getHeader('Authorization'));
}
// Check if resource is available
if (!$this->nodeExists($source)) {
return new ezcWebdavErrorResponse(ezcWebdavResponse::STATUS_404, $source);
}
// Store proeprties, to be able to revert all changes later
$propertyBackup = clone $this->getAllProperties($source);
$errors = array(ezcWebdavResponse::STATUS_403 => new ezcWebdavBasicPropertyStorage(), ezcWebdavResponse::STATUS_409 => new ezcWebdavBasicPropertyStorage(), ezcWebdavResponse::STATUS_424 => new ezcWebdavBasicPropertyStorage());
$errnous = false;
// Update properties, like requested
foreach ($request->updates as $property) {
// If there already has been some error, issue failed
// dependency errors for everything else.
if ($errnous) {
$errors[ezcWebdavResponse::STATUS_424]->attach($property);
continue;
}
// Check for property validation errors and add a 409 for this.
if ($property->hasError) {
$errors[ezcWebdavResponse::STATUS_409]->attach($property);
$errnous = true;
continue;
}
switch ($request->updates->getFlag($property->name, $property->namespace)) {
case ezcWebdavPropPatchRequest::REMOVE:
if (!$this->removeProperty($source, $property)) {
// If update failed, we assume the access has been denied.
$errors[ezcWebdavResponse::STATUS_403]->attach($property);
$errnous = true;
}
break;
case ezcWebdavPropPatchRequest::SET:
if (!$this->setProperty($source, $property)) {
// If update failed, we assume the access has been denied.
//
// @todo: This assumptions is not particular correct.
// In case of live properties, which were tried to
// update a 409 error would be correct.
$errors[ezcWebdavResponse::STATUS_403]->attach($property);
$errnous = true;
}
break;
default:
// This may happen, when a broken flag has been assigned
// during request generation. This SHOULD never happen.
$this->resetProperties($source, $propertyBackup);
return new ezcWebdavErrorResponse(ezcWebdavResponse::STATUS_500);
}
}
// Create node from source for response
if ($this->isCollection($source)) {
$node = new ezcWebdavCollection($source);
} else {
$node = new ezcWebdavResource($source);
}
if ($errnous) {
// Revert all changes
$this->resetProperties($source, $propertyBackup);
// Create response
return new ezcWebdavMultistatusResponse(new ezcWebdavPropPatchResponse($node, new ezcWebdavPropStatResponse($errors[ezcWebdavResponse::STATUS_403], ezcWebdavResponse::STATUS_403), new ezcWebdavPropStatResponse($errors[ezcWebdavResponse::STATUS_409], ezcWebdavResponse::STATUS_409), new ezcWebdavPropStatResponse($errors[ezcWebdavResponse::STATUS_424], ezcWebdavResponse::STATUS_424)));
}
// Verify If-[None-]Match headers.
// Done in this place to ensure that PROPPATCH would succeed otherwise.
// Reset of properties to orgiginal state is performed if ETag check
// fails.
if (($res = $this->checkIfMatchHeaders($request, $source)) !== null) {
$this->resetProperties($source, $propertyBackup);
return $res;
}
$successProps = new ezcWebdavBasicPropertyStorage();
foreach ($request->updates as $updatedProperty) {
$successProp = clone $updatedProperty;
$successProp->clear();
$successProps->attach($successProp);
}
// RFC update requires multi-status even if everything worked properly
return new ezcWebdavPropPatchResponse($node, new ezcWebdavPropStatResponse($successProps));
}
/**
* Returns names of all available properties for a resource.
*
* Fetches the names of all properties assigned to the reosource referenced
* in $request and, if the resozurce is a collection, also returns property
* names for its children, depending on the depth header of the $request.
*
* @param ezcWebdavPropFindRequest $request
* @return ezcWebdavResponse
*/
protected function fetchPropertyNames(ezcWebdavPropFindRequest $request)
{
$source = $request->requestUri;
// Get list of all affected node, depeding on source and depth
$nodes = $this->getNodes($source, $request->getHeader('Depth'));
// Pathes which were already determined as unauthorized
$unauthorizedPaths = array();
$server = ezcWebdavServer::getInstance();
$performAuth = $server->auth !== null && $server->auth instanceof ezcWebdavAuthorizer;
// Get requested properties for all files
$responses = array();
foreach ($nodes as $node) {
if ($performAuth) {
$nodePath = $node->path;
foreach ($unauthorizedPaths as $unauthorizedPath) {
// Check if a parent path was already determined as unauthorized
if (substr($nodePath, $unauthorizedPath) === 0) {
// Skip this node completely, since we already have a
// parent node with error response
continue 2;
}
}
// Check authorization
if (!ezcWebdavServer::getInstance()->isAuthorized($nodePath, $request->getHeader('Authorization'))) {
$unauthorizedPaths[] = $nodePath;
// Silently exclude unauthorized properties.
$responses[] = new ezcWebdavPropFindResponse($node, new ezcWebdavPropStatResponse(new ezcWebdavBasicPropertyStorage()));
// Skip further processing of this node
continue;
}
}
// Get all properties form node ...
$nodeProperties = $this->getAllProperties($node->path);
// ... and clear and add them to the property name storage.
$propertyNames = new ezcWebdavBasicPropertyStorage();
foreach ($nodeProperties->getAllProperties() as $namespace => $properties) {
foreach ($properties as $name => $property) {
// Clear property, because the client only want the names
// of the available properties.
$property = clone $property;
$property->clear();
$propertyNames->attach($property);
}
}
// Add response
$responses[] = new ezcWebdavPropFindResponse($node, new ezcWebdavPropStatResponse($propertyNames));
}
return new ezcWebdavMultistatusResponse($responses);
}
public function testPropPatchCombinedSetDeleteFail()
{
$backend = new ezcWebdavFileBackend($this->tempDir . 'backend/');
// First add some custom properties.
$newProperties = new ezcWebdavFlaggedPropertyStorage();
$newProperties->attach($p_bar = new ezcWebdavDeadProperty('foo:', 'bar', "<?xml version=\"1.0\"?>\n<bar xmlns=\"foo:\">some content</bar>\n"), ezcWebdavPropPatchRequest::SET);
$newProperties->attach($p_blubb = new ezcWebdavDeadProperty('foo:', 'blubb', "<?xml version=\"1.0\"?>\n<blubb xmlns=\"foo:\">some other content</blubb>\n"), ezcWebdavPropPatchRequest::SET);
$request = new ezcWebdavPropPatchRequest('/resource');
$request->updates = $newProperties;
$request->validateHeaders();
$response = $backend->proppatch($request);
$this->assertEquals(new ezcWebdavPropPatchResponse(new ezcWebdavResource('/resource')), $response, 'Expected property adding PROPPATCH response does not match real response.', 0, 20);
// Then remove them again, with one live property in the middle to
// check for proper failed dependency response codes.
$updateProperties = new ezcWebdavFlaggedPropertyStorage();
$updateProperties->attach($p_blubb, ezcWebdavPropPatchRequest::REMOVE);
$updateProperties->attach($p_length = new ezcWebdavGetContentLengthProperty(), ezcWebdavPropPatchRequest::REMOVE);
$updateProperties->attach($p_foo = new ezcWebdavDeadProperty('foo:', 'foo', "<?xml version=\"1.0\"?>\n<foo xmlns=\"foo:\">random content</foo>\n"), ezcWebdavPropPatchRequest::SET);
$updateProperties->attach($p_bar, ezcWebdavPropPatchRequest::REMOVE);
$request = new ezcWebdavPropPatchRequest('/resource');
$request->updates = $updateProperties;
$request->validateHeaders();
$response = $backend->proppatch($request);
$failed = new ezcWebdavBasicPropertyStorage();
$failed->attach($p_length);
$depError = new ezcWebdavBasicPropertyStorage();
$depError->attach($p_foo);
$depError->attach($p_bar);
$failed->rewind();
$depError->rewind();
$this->assertEquals(new ezcWebdavMultistatusResponse(new ezcWebdavPropPatchResponse(new ezcWebdavResource('/resource'), new ezcWebdavPropStatResponse($failed, ezcWebdavResponse::STATUS_403), new ezcWebdavPropStatResponse(new ezcWebdavBasicPropertyStorage(), ezcWebdavResponse::STATUS_409), new ezcWebdavPropStatResponse($depError, ezcWebdavResponse::STATUS_424))), $response, 'Expected property removing PROPPATCH response does not match real response.', 0, 20);
}
public function testProppatchResourceWithValidETag()
{
$testPath = '/collection/test.txt';
$backend = new ezcWebdavFileBackend($this->tempDir . 'backend/');
$etag = $backend->getProperty($testPath, 'getetag')->etag;
// Properties to patch
$newProperties = new ezcWebdavFlaggedPropertyStorage();
$newProperties->attach($p1 = new ezcWebdavGetContentTypeProperty('text/xml'), ezcWebdavPropPatchRequest::SET);
$newProperties->attach($p2 = new ezcWebdavDeadProperty('foo:', 'bar', "<?xml version=\"1.0\"?>\n<bar xmlns=\"foo:\">some content</bar>\n"), ezcWebdavPropPatchRequest::SET);
$req = new ezcWebdavProppatchRequest($testPath);
$req->updates = $newProperties;
$req->setHeader('If-Match', array('abc23', $etag, 'foobar'));
$req->validateHeaders();
$resProps = new ezcWebdavBasicPropertyStorage();
$resProps->attach(new ezcWebdavGetContentTypeProperty());
$resProps->attach(new ezcWebdavDeadProperty('foo:', 'bar'));
$res = $backend->propPatch($req);
$this->assertEquals(new ezcWebdavPropPatchResponse(new ezcWebdavResource($testPath), new ezcWebdavPropStatResponse($resProps)), $res, 'Expected response does not match real response.', 0, 20);
}
public function testIteratorDetachedAll()
{
$storage = new ezcWebdavBasicPropertyStorage();
$storage->attach(new ezcWebdavLockDiscoveryProperty());
$storage->attach(new ezcWebdavDeadProperty('http://example.com/some/property', 'some', 'foobar'));
$storage->detach('lockdiscovery');
$storage->detach('some', 'http://example.com/some/property');
foreach ($storage as $property) {
$this->fail("Property {$property->namespace} -- {$property->name} not detached!");
}
// All right, if no error occurs
}
