/**
* Common function to handle exceptions in the data service.
*
* @param \Exception $exception exception
* @param IService $service service
*
* @return void
*/
public static function handleException($exception, IService $service)
{
$acceptTypesText = $service->getHost()->getRequestAccept();
$responseContentType = null;
try {
$responseContentType = HttpProcessUtility::selectMimeType($acceptTypesText, array(MimeTypes::MIME_APPLICATION_XML, MimeTypes::MIME_APPLICATION_JSON));
} catch (HttpHeaderFailure $exception) {
$exception = new ODataException($exception->getMessage(), $exception->getStatusCode());
} catch (\Exception $exception) {
// Never come here
}
if (is_null($responseContentType)) {
$responseContentType = MimeTypes::MIME_APPLICATION_XML;
}
if (!$exception instanceof ODataException) {
$exception = new ODataException($exception->getMessage(), HttpStatus::CODE_INTERNAL_SERVER_ERROR);
}
$service->getHost()->setResponseVersion(ODataConstants::DATASERVICEVERSION_1_DOT_0 . ';');
// At this point all kind of exceptions will be converted
//to 'ODataException'
if ($exception->getStatusCode() == HttpStatus::CODE_NOT_MODIFIED) {
$service->getHost()->setResponseStatusCode(HttpStatus::CODE_NOT_MODIFIED);
} else {
$service->getHost()->setResponseStatusCode($exception->getStatusCode());
$service->getHost()->setResponseContentType($responseContentType);
$responseBody = null;
if (strcasecmp($responseContentType, MimeTypes::MIME_APPLICATION_XML) == 0) {
$responseBody = AtomODataWriter::serializeException($exception, true);
} else {
$responseBody = JsonODataV2Writer::serializeException($exception, true);
}
$service->getHost()->getOperationContext()->outgoingResponse()->setStream($responseBody);
}
}
/**
* Parse the given skiptoken, validate it using the given InternalOrderByInfo
* and generates instance of InternalSkipTokenInfo.
*
* @param ResourceType &$resourceType The resource type of the
* resource targeted by the
* resource path.
* @param InternalOrderByInfo &$internalOrderByInfo The $orderby details.
* @param string $skipToken The $skiptoken value.
*
* @return InternalSkipTokenInfo
*
* @throws ODataException
*/
public static function parseSkipTokenClause(ResourceType &$resourceType, InternalOrderByInfo &$internalOrderByInfo, $skipToken)
{
$tokenValueDescriptor = null;
if (!KeyDescriptor::tryParseValuesFromSkipToken($skipToken, $tokenValueDescriptor)) {
throw ODataException::createSyntaxError(Messages::skipTokenParserSyntaxError($skipToken));
}
$orderByPathSegments = null;
//$positionalValues are of type array(int, array(string, IType))
$positionalValues =& $tokenValueDescriptor->getPositionalValuesByRef();
$count = count($positionalValues);
$orderByPathSegments = $internalOrderByInfo->getOrderByPathSegments();
$orderByPathCount = count($orderByPathSegments);
if ($count != $orderByPathCount) {
throw ODataException::createBadRequestError(Messages::skipTokenParserSkipTokenNotMatchingOrdering($count, $skipToken, $orderByPathCount));
}
$i = 0;
foreach ($orderByPathSegments as $orderByPathSegment) {
$typeProvidedInSkipToken = $positionalValues[$i][1];
if (!$typeProvidedInSkipToken instanceof Null1) {
$orderBySubPathSegments = $orderByPathSegment->getSubPathSegments();
$j = count($orderBySubPathSegments) - 1;
$expectedType = $orderBySubPathSegments[$j]->getInstanceType();
if (!$expectedType->isCompatibleWith($typeProvidedInSkipToken)) {
throw ODataException::createSyntaxError(Messages::skipTokenParserInCompatibleTypeAtPosition($skipToken, $expectedType->getFullTypeName(), $i, $typeProvidedInSkipToken->getFullTypeName()));
}
}
$i++;
}
return new InternalSkipTokenInfo($internalOrderByInfo, $positionalValues, $resourceType);
}
/**
* Gets the current identifier text
*
* @return string
*/
public function getIdentifier()
{
if ($this->Id != ExpressionTokenId::IDENTIFIER) {
throw ODataException::createSyntaxError('Identifier expected at position ' . $this->Position);
}
return $this->Text;
}
public function handleRequest()
{
$this->createProviders();
$this->getHost()->validateQueryParameters();
$requestMethod = $this->getOperationContext()->incomingRequest()->getMethod();
if ($requestMethod != HTTPRequestMethod::GET()) {
throw ODataException::createNotImplementedError(Messages::onlyReadSupport($requestMethod));
}
return UriProcessor::process($this);
}
/**
* Process the request Uri and creates an instance of
* RequestDescription from the processed uri.
*
* @param IService $service Reference to the data service instance.
*
* @return RequestDescription
*
* @throws ODataException If any exception occurs while processing the segments
* or in case of any version incompatibility.
*/
public static function process(IService $service)
{
$host = $service->getHost();
$absoluteRequestUri = $host->getAbsoluteRequestUri();
$absoluteServiceUri = $host->getAbsoluteServiceUri();
$requestUriSegments = array_slice($absoluteRequestUri->getSegments(), $absoluteServiceUri->getSegmentCount());
$segments = SegmentParser::parseRequestUriSegments($requestUriSegments, $service->getProvidersWrapper(), true);
$request = new RequestDescription($segments, $absoluteRequestUri, $service->getConfiguration()->getMaxDataServiceVersion(), $host->getRequestVersion(), $host->getRequestMaxVersion());
$kind = $request->getTargetKind();
if ($kind == TargetKind::METADATA() || $kind == TargetKind::BATCH() || $kind == TargetKind::SERVICE_DIRECTORY()) {
return $request;
}
if ($kind == TargetKind::PRIMITIVE_VALUE() || $kind == TargetKind::MEDIA_RESOURCE()) {
// http://odata/NW.svc/Orders/$count
// http://odata/NW.svc/Orders(123)/Customer/CustomerID/$value
// http://odata/NW.svc/Employees(1)/$value
// http://odata/NW.svc/Employees(1)/ThumbNail_48X48/$value
$request->setContainerName($segments[count($segments) - 2]->getIdentifier());
} else {
$request->setContainerName($request->getIdentifier());
}
if ($request->getIdentifier() === ODataConstants::URI_COUNT_SEGMENT) {
if (!$service->getConfiguration()->getAcceptCountRequests()) {
throw ODataException::createBadRequestError(Messages::configurationCountNotAccepted());
}
$request->queryType = QueryType::COUNT();
// use of $count requires request DataServiceVersion
// and MaxDataServiceVersion greater than or equal to 2.0
$request->raiseResponseVersion(2, 0);
$request->raiseMinVersionRequirement(2, 0);
} else {
if ($request->isNamedStream()) {
$request->raiseMinVersionRequirement(3, 0);
} else {
if ($request->getTargetKind() == TargetKind::RESOURCE()) {
if (!$request->isLinkUri()) {
$resourceSetWrapper = $request->getTargetResourceSetWrapper();
//assert($resourceSetWrapper != null)
$hasNamedStream = $resourceSetWrapper->hasNamedStreams($service->getProvidersWrapper());
$hasBagProperty = $resourceSetWrapper->hasBagProperty($service->getProvidersWrapper());
if ($hasNamedStream || $hasBagProperty) {
$request->raiseResponseVersion(3, 0);
}
}
} else {
if ($request->getTargetKind() == TargetKind::BAG()) {
$request->raiseResponseVersion(3, 0);
}
}
}
}
return $request;
}
/**
* Validate this KeyDescriptor, If valid, this function populates
* _validatedNamedValues array with key as keyName and value as an array of
* key value and key type.
*
* @param string $segmentAsString The segment in the form identifer
* (keyPredicate) which this descriptor
* represents
* @param ResourceType $resourceType The type of the idenfier in the segment
*
* @return void
*
* @throws ODataException If validation fails.
*/
public function validate($segmentAsString, ResourceType $resourceType)
{
if ($this->isEmpty()) {
$this->_validatedNamedValues = array();
return;
}
$keyProperties = $resourceType->getKeyProperties();
$keyPropertiesCount = count($keyProperties);
if (!empty($this->_namedValues)) {
if (count($this->_namedValues) != $keyPropertiesCount) {
throw ODataException::createSyntaxError(Messages::keyDescriptorKeyCountNotMatching($segmentAsString, $keyPropertiesCount, count($this->_namedValues)));
}
foreach ($keyProperties as $keyName => $keyResourceProperty) {
if (!array_key_exists($keyName, $this->_namedValues)) {
$keysAsString = null;
foreach (array_keys($keyProperties) as $key) {
$keysAsString .= $key . ', ';
}
$keysAsString = rtrim($keysAsString, ' ,');
throw ODataException::createSyntaxError(Messages::keyDescriptorMissingKeys($segmentAsString, $keysAsString));
}
$typeProvided = $this->_namedValues[$keyName][1];
$expectedType = $keyResourceProperty->getInstanceType();
if (!$expectedType->isCompatibleWith($typeProvided)) {
throw ODataException::createSyntaxError(Messages::keyDescriptorInCompatibleKeyType($segmentAsString, $keyName, $expectedType->getFullTypeName(), $typeProvided->getFullTypeName()));
}
$this->_validatedNamedValues[$keyName] = $this->_namedValues[$keyName];
}
} else {
if (count($this->_positionalValues) != $keyPropertiesCount) {
throw ODataException::createSyntaxError(Messages::keyDescriptorKeyCountNotMatching($segmentAsString, $keyPropertiesCount, count($this->_positionalValues)));
}
$i = 0;
foreach ($keyProperties as $keyName => $keyResourceProperty) {
$typeProvided = $this->_positionalValues[$i][1];
$expectedType = $keyResourceProperty->getInstanceType();
if (!$expectedType->isCompatibleWith($typeProvided)) {
throw ODataException::createSyntaxError(Messages::keyDescriptorInCompatibleKeyTypeAtPosition($segmentAsString, $keyResourceProperty->getName(), $i, $expectedType->getFullTypeName(), $typeProvided->getFullTypeName()));
}
$this->_validatedNamedValues[$keyName] = $this->_positionalValues[$i];
$i++;
}
}
}
/**
* Increment recursion count and throw error if beyond limit
*
* @return void
*
* @throws ODataException If max recursion limit hits.
*/
private function _recurseEnter()
{
$this->_recursionDepth++;
if ($this->_recursionDepth == self::RECURSION_LIMIT) {
throw ODataException::createSyntaxError("Recursion limit reached.");
}
}
/**
* Get related resource for a resource
*
* @param ResourceSet $sourceResourceSet The source resource set
* @param mixed $sourceEntityInstance The source resource
* @param ResourceSet $targetResourceSet The resource set of
* the navigation property
* @param ResourceProperty $targetProperty The navigation property to be
* retrieved
*
* @return object|null The related resource if exists else null
*/
public function getRelatedResourceReference(ResourceSet $sourceResourceSet, $sourceEntityInstance, ResourceSet $targetResourceSet, ResourceProperty $targetProperty)
{
$result = null;
$srcClass = get_class($sourceEntityInstance);
$navigationPropName = $targetProperty->getName();
if ($srcClass === 'Order') {
if ($navigationPropName === 'Customer') {
if (empty($sourceEntityInstance->CustomerID)) {
$result = null;
} else {
$query = "SELECT * FROM Customers WHERE CustomerID = '{$sourceEntityInstance->CustomerID}'";
$stmt = sqlsrv_query($this->_connectionHandle, $query);
if ($stmt === false) {
$errorAsString = self::_getSQLSRVError();
throw ODataException::createInternalServerError($errorAsString);
}
if (!sqlsrv_has_rows($stmt)) {
$result = null;
}
$result = $this->_serializeCustomer(sqlsrv_fetch_array($stmt, SQLSRV_FETCH_ASSOC));
}
} else {
die('Customer does not have navigation porperty with name: ' . $navigationPropName);
}
} else {
if ($srcClass === 'Order_Details') {
if ($navigationPropName === 'Order') {
if (empty($sourceEntityInstance->OrderID)) {
$result = null;
} else {
$query = "SELECT * FROM Orders WHERE OrderID = {$sourceEntityInstance->OrderID}";
$stmt = sqlsrv_query($this->_connectionHandle, $query);
if ($stmt === false) {
$errorAsString = self::_getSQLSRVError();
throw ODataException::createInternalServerError($errorAsString);
}
if (!sqlsrv_has_rows($stmt)) {
$result = null;
}
$result = $this->_serializeOrder(sqlsrv_fetch_array($stmt, SQLSRV_FETCH_ASSOC));
}
} else {
die('Order_Details does not have navigation porperty with name: ' . $navigationPropName);
}
}
}
return $result;
}
/**
* Validates the given version in string format and returns the version as instance of Version
*
* @param string $versionHeader The DataServiceVersion or MaxDataServiceVersion header value
* @param string $headerName The name of the header
*
* @return Version
*
* @throws ODataException If the version is malformed or not supported
*/
private static function parseVersionHeader($versionHeader, $headerName)
{
$libName = null;
$versionHeader = trim($versionHeader);
$libNameIndex = strpos($versionHeader, ';');
if ($libNameIndex !== false) {
$libName = substr($versionHeader, $libNameIndex);
} else {
$libNameIndex = strlen($versionHeader);
}
$dotIndex = -1;
for ($i = 0; $i < $libNameIndex; $i++) {
if ($versionHeader[$i] == '.') {
//Throw an exception if we find more than 1 dot
if ($dotIndex != -1) {
throw ODataException::createBadRequestError(Messages::requestDescriptionInvalidVersionHeader($versionHeader, $headerName));
}
$dotIndex = $i;
} else {
if ($versionHeader[$i] < '0' || $versionHeader[$i] > '9') {
throw ODataException::createBadRequestError(Messages::requestDescriptionInvalidVersionHeader($versionHeader, $headerName));
}
}
}
$major = intval(substr($versionHeader, 0, $dotIndex));
$minor = 0;
//Apparently the . is optional
if ($dotIndex != -1) {
if ($dotIndex == 0) {
//If it starts with a ., throw an exception
throw ODataException::createBadRequestError(Messages::requestDescriptionInvalidVersionHeader($versionHeader, $headerName));
}
$minor = intval(substr($versionHeader, $dotIndex + 1, $libNameIndex));
}
$version = new Version($major, $minor);
//TODO: move this somewhere...
/*
$isSupportedVersion = false;
foreach (self::getKnownDataServiceVersions() as $version1) {
if ($version->compare($version1) == 0) {
$isSupportedVersion = true;
break;
}
}
if (!$isSupportedVersion) {
$availableVersions = null;
foreach (self::getKnownDataServiceVersions() as $version1) {
$availableVersions .= $version1->toString() . ', ';
}
$availableVersions = rtrim($availableVersions, ', ');
throw ODataException::createBadRequestError(
Messages::requestDescriptionUnSupportedVersion(
$headerName,
$versionHeader,
$availableVersions
)
);
}
*/
return $version;
}
/**
* Write values of properties of given entry (resource) or complex object.
*
* @param mixed $customObject Entity or complex object
* with properties
* to write out.
* @param ResourceType &$resourceType Resource type describing
* the metadata of
* the custom object.
* @param string $absoluteUri Absolute uri for the given
* entry object
* NULL for complex object.
* @param string $relativeUri Relative uri for the given
* custom object.
* @param ODataEntry &$odataEntry ODataEntry instance to
* place links and
* expansion of the
* entry object,
* NULL for complex object.
* @param ODataPropertyContent &$odataPropertyContent ODataPropertyContent
* instance in which
* to place the values.
*
* @return void
*/
private function _writeObjectProperties($customObject, ResourceType &$resourceType, $absoluteUri, $relativeUri, &$odataEntry, ODataPropertyContent &$odataPropertyContent)
{
// lion:
if ($_SERVER['REQUEST_METHOD'] == HTTPRequestMethod::DELETE()) {
$odataEntry = (object) array();
return;
}
// ---
$resourceTypeKind = $resourceType->getResourceTypeKind();
if (is_null($absoluteUri) == ($resourceTypeKind == ResourceTypeKind::ENTITY)) {
throw ODataException::createInternalServerError(Messages::badProviderInconsistentEntityOrComplexTypeUsage($resourceType->getName()));
}
$this->assert($resourceTypeKind == ResourceTypeKind::ENTITY && $odataEntry instanceof ODataEntry || $resourceTypeKind == ResourceTypeKind::COMPLEX && is_null($odataEntry), '(($resourceTypeKind == ResourceTypeKind::ENTITY) && ($odataEntry instanceof ODataEntry))
|| (($resourceTypeKind == ResourceTypeKind::COMPLEX) && is_null($odataEntry))');
$projectionNodes = null;
$navigationProperties = null;
if ($resourceTypeKind == ResourceTypeKind::ENTITY) {
$projectionNodes = $this->getProjectionNodes();
$navigationProperties = array();
}
if (is_null($projectionNodes)) {
//This is the code path to handle properties of Complex type
//or Entry without projection (i.e. no expansion or selection)
$resourceProperties = array();
if ($resourceTypeKind == ResourceTypeKind::ENTITY) {
// If custom object is an entry then it can contain navigation
// properties which are invisible (because the corresponding
// resource set is invisible).
// IDSMP::getResourceProperties will give collection of properties
// which are visible.
$currentResourceSetWrapper1 = $this->getCurrentResourceSetWrapper();
$resourceProperties = $this->service->getProvidersWrapper()->getResourceProperties($currentResourceSetWrapper1, $resourceType);
} else {
$resourceProperties = $resourceType->getAllProperties();
}
//First write out primitve types
foreach ($resourceProperties as $name => $resourceProperty) {
if ($resourceProperty->getKind() == ResourcePropertyKind::PRIMITIVE || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::KEY) || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::ETAG) || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::KEY | ResourcePropertyKind::ETAG)) {
$odataProperty = new ODataProperty();
$primitiveValue = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
$this->_writePrimitiveValue($primitiveValue, $resourceProperty, $odataProperty);
$odataPropertyContent->properties[] = $odataProperty;
}
}
//Write out bag and complex type
$i = 0;
foreach ($resourceProperties as $resourceProperty) {
if ($resourceProperty->isKindOf(ResourcePropertyKind::BAG)) {
//Handle Bag Property (Bag of Primitive or complex)
$propertyValue = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
$resourceType2 = $resourceProperty->getResourceType();
$this->_writeBagValue($propertyValue, $resourceProperty->getName(), $resourceType2, $relativeUri . '/' . $resourceProperty->getName(), $odataPropertyContent);
} else {
$resourcePropertyKind = $resourceProperty->getKind();
if ($resourcePropertyKind == ResourcePropertyKind::COMPLEX_TYPE) {
$propertyValue = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
$resourceType1 = $resourceProperty->getResourceType();
$this->_writeComplexValue($propertyValue, $resourceProperty->getName(), $resourceType1, $relativeUri . '/' . $resourceProperty->getName(), $odataPropertyContent);
} else {
if ($resourceProperty->getKind() == ResourcePropertyKind::PRIMITIVE || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::KEY) || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::ETAG) || $resourceProperty->getKind() == (ResourcePropertyKind::PRIMITIVE | ResourcePropertyKind::KEY | ResourcePropertyKind::ETAG)) {
continue;
} else {
$this->assert($resourcePropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE || $resourcePropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE, '($resourcePropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE)
|| ($resourcePropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE)');
$navigationProperties[$i] = new NavigationPropertyInfo($resourceProperty, $this->shouldExpandSegment($resourceProperty->getName()));
if ($navigationProperties[$i]->expanded) {
$navigationProperties[$i]->value = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
}
$i++;
}
}
}
}
} else {
//This is the code path to handle projected properties of Entry
$i = 0;
foreach ($projectionNodes as $projectionNode) {
$propertyName = $projectionNode->getPropertyName();
$resourceProperty = $resourceType->resolveProperty($propertyName);
$this->assert(!is_null($resourceProperty), '!is_null($resourceProperty)');
if ($resourceProperty->getTypeKind() == ResourceTypeKind::ENTITY) {
$currentResourceSetWrapper2 = $this->getCurrentResourceSetWrapper();
$resourceProperties = $this->service->getProvidersWrapper()->getResourceProperties($currentResourceSetWrapper2, $resourceType);
//Check for the visibility of this navigation property
if (array_key_exists($resourceProperty->getName(), $resourceProperties)) {
$navigationProperties[$i] = new NavigationPropertyInfo($resourceProperty, $this->shouldExpandSegment($propertyName));
if ($navigationProperties[$i]->expanded) {
$navigationProperties[$i]->value = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
}
$i++;
continue;
}
}
//Primitve, complex or bag property
$propertyValue = $this->getPropertyValue($customObject, $resourceType, $resourceProperty);
$propertyTypeKind = $resourceProperty->getKind();
$propertyResourceType = $resourceProperty->getResourceType();
$this->assert(!is_null($propertyResourceType), '!is_null($propertyResourceType)');
if (ResourceProperty::sIsKindOf($propertyTypeKind, ResourcePropertyKind::BAG)) {
$bagResourceType = $resourceProperty->getResourceType();
$this->_writeBagValue($propertyValue, $propertyName, $bagResourceType, $relativeUri . '/' . $propertyName, $odataPropertyContent);
} else {
if (ResourceProperty::sIsKindOf($propertyTypeKind, ResourcePropertyKind::PRIMITIVE)) {
$odataProperty = new ODataProperty();
$this->_writePrimitiveValue($propertyValue, $resourceProperty, $odataProperty);
$odataPropertyContent->properties[] = $odataProperty;
} else {
if ($propertyTypeKind == ResourcePropertyKind::COMPLEX_TYPE) {
$complexResourceType = $resourceProperty->getResourceType();
$this->_writeComplexValue($propertyValue, $propertyName, $complexResourceType, $relativeUri . '/' . $propertyName, $odataPropertyContent);
} else {
//unexpected
$this->assert(false, '$propertyTypeKind = Primitive or Bag or ComplexType');
}
}
}
}
}
if (!is_null($navigationProperties)) {
//Write out navigation properties (deferred or inline)
foreach ($navigationProperties as $navigationPropertyInfo) {
$propertyName = $navigationPropertyInfo->resourceProperty->getName();
$type = $navigationPropertyInfo->resourceProperty->getKind() == ResourcePropertyKind::RESOURCE_REFERENCE ? 'application/atom+xml;type=entry' : 'application/atom+xml;type=feed';
$link = new ODataLink();
$link->name = ODataConstants::ODATA_RELATED_NAMESPACE . $propertyName;
$link->title = $propertyName;
$link->type = $type;
$link->url = $relativeUri . '/' . $propertyName;
if ($navigationPropertyInfo->expanded) {
$propertyRelativeUri = $relativeUri . '/' . $propertyName;
$propertyAbsoluteUri = trim($absoluteUri, '/') . '/' . $propertyName;
$needPop = $this->pushSegmentForNavigationProperty($navigationPropertyInfo->resourceProperty);
$navigationPropertyKind = $navigationPropertyInfo->resourceProperty->getKind();
$this->assert($navigationPropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE || $navigationPropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE, '$navigationPropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE
|| $navigationPropertyKind == ResourcePropertyKind::RESOURCE_REFERENCE');
$currentResourceSetWrapper = $this->getCurrentResourceSetWrapper();
$this->assert(!is_null($currentResourceSetWrapper), '!is_null($currentResourceSetWrapper)');
$link->isExpanded = true;
if (!is_null($navigationPropertyInfo->value)) {
if ($navigationPropertyKind == ResourcePropertyKind::RESOURCESET_REFERENCE) {
$inlineFeed = new ODataFeed();
$link->isCollection = true;
$currentResourceType = $currentResourceSetWrapper->getResourceType();
$this->_writeFeedElements($navigationPropertyInfo->value, $currentResourceType, $propertyName, $propertyAbsoluteUri, $propertyRelativeUri, $inlineFeed);
$link->expandedResult = $inlineFeed;
} else {
$link->isCollection = false;
$currentResourceType1 = $currentResourceSetWrapper->getResourceType();
$link->expandedResult = $this->_writeEntryElement($navigationPropertyInfo->value, $currentResourceType1, $propertyAbsoluteUri, $propertyRelativeUri);
}
} else {
$link->expandedResult = null;
}
$this->popSegment($needPop);
}
$odataEntry->links[] = $link;
}
}
}
/**
* Modify the 'Projection Tree' to include selection details
*
* @param array(array(string)) $selectPathSegments Collection of select
* paths.
*
* @return void
*
* @throws ODataException If any error occurs while processing select
* path segments
*/
private function _applySelectionToProjectionTree($selectPathSegments)
{
foreach ($selectPathSegments as $selectSubPathSegments) {
$currentNode = $this->_rootProjectionNode;
$subPathCount = count($selectSubPathSegments);
foreach ($selectSubPathSegments as $index => $selectSubPathSegment) {
if (!$currentNode instanceof RootProjectionNode && !$currentNode instanceof ExpandedProjectionNode) {
throw ODataException::createBadRequestError(Messages::expandProjectionParserPropertyWithoutMatchingExpand($currentNode->getPropertyName()));
}
$currentNode->setSelectionFound();
$isLastSegment = $index == $subPathCount - 1;
if ($selectSubPathSegment === '*') {
$currentNode->setSelectAllImmediateProperties();
break;
}
$currentResourceType = $currentNode->getResourceType();
$resourceProperty = $currentResourceType->resolveProperty($selectSubPathSegment);
if (is_null($resourceProperty)) {
throw ODataException::createSyntaxError(Messages::expandProjectionParserPropertyNotFound($currentResourceType->getFullName(), $selectSubPathSegment, true));
}
if (!$isLastSegment) {
if ($resourceProperty->isKindOf(ResourcePropertyKind::BAG)) {
throw ODataException::createBadRequestError(Messages::expandProjectionParserBagPropertyAsInnerSelectSegment($currentResourceType->getFullName(), $selectSubPathSegment));
} else {
if ($resourceProperty->isKindOf(ResourcePropertyKind::PRIMITIVE)) {
throw ODataException::createBadRequestError(Messages::expandProjectionParserPrimitivePropertyUsedAsNavigationProperty($currentResourceType->getFullName(), $selectSubPathSegment));
} else {
if ($resourceProperty->isKindOf(ResourcePropertyKind::COMPLEX_TYPE)) {
throw ODataException::createBadRequestError(Messages::expandProjectionParserComplexPropertyAsInnerSelectSegment($currentResourceType->getFullName(), $selectSubPathSegment));
} else {
if ($resourceProperty->getKind() != ResourcePropertyKind::RESOURCE_REFERENCE && $resourceProperty->getKind() != ResourcePropertyKind::RESOURCESET_REFERENCE) {
throw ODataException::createInternalServerError(Messages::expandProjectionParserUnexpectedPropertyType());
}
}
}
}
}
$node = $currentNode->findNode($selectSubPathSegment);
if (is_null($node)) {
if (!$isLastSegment) {
throw ODataException::createBadRequestError(Messages::expandProjectionParserPropertyWithoutMatchingExpand($selectSubPathSegment));
}
$node = new ProjectionNode($selectSubPathSegment, $resourceProperty);
$currentNode->addNode($node);
}
$currentNode = $node;
if ($currentNode instanceof ExpandedProjectionNode && $isLastSegment) {
$currentNode->setSelectionFound();
$currentNode->markSubtreeAsSelected();
}
}
}
}
/**
* Validate operands (arguments) of a function call operation and return
* matching function
*
* @param \POData\UriProcessor\QueryProcessor\FunctionDescription[] $functions List of functions to be checked
* @param AbstractExpression[] $argExpressions Function argument expressions
* @param ExpressionToken $expressionToken Expression token
*
* @throws ODataException
*
* @return \POData\UriProcessor\QueryProcessor\FunctionDescription
*/
public static function verifyFunctionCallOpArguments($functions, $argExpressions, $expressionToken)
{
$function = self::findFunctionWithPromotion($functions, $argExpressions, false);
if ($function == null) {
$protoTypes = null;
foreach ($functions as $function) {
$protoTypes .= $function->getPrototypeAsString() . '; ';
}
throw ODataException::createSyntaxError(Messages::expressionLexerNoApplicableFunctionsFound($expressionToken->Text, $protoTypes, $expressionToken->Position));
}
return $function;
}
/**
* Get the value of a given property from an instance.
*
* @param mixed $entity Instance of a type which contains this property.
* @param ResourceType $resourceType Resource type instance containing metadata about the instance.
* @param ResourceProperty $resourceProperty Resource property instance containing metadata about the property whose value to be retrieved.
*
* @return mixed The value of the given property.
*
* @throws ODataException If reflection exception occurred while trying to access the property.
*
*/
protected function getPropertyValue($entity, ResourceType $resourceType, ResourceProperty $resourceProperty)
{
try {
//Is this slow? See #88
$reflectionProperty = new \ReflectionProperty($entity, $resourceProperty->getName());
return $reflectionProperty->getValue($entity);
} catch (\ReflectionException $reflectionException) {
throw ODataException::createInternalServerError(Messages::objectModelSerializerFailedToAccessProperty($resourceProperty->getName(), $resourceType->getName()));
}
}
/**
* Validate the given entity instance.
*
* @param object $entityInstance Entity instance to validate
* @param ResourceSet &$resourceSet Resource set to which the entity
* instance belongs to.
* @param KeyDescriptor &$keyDescriptor The key descriptor.
* @param string $methodName Method from which this function
* invoked.
*
* @return void
*
* @throws ODataException
*/
private function _validateEntityInstance($entityInstance, ResourceSet &$resourceSet, KeyDescriptor &$keyDescriptor, $methodName)
{
if (is_null($entityInstance)) {
throw ODataException::createResourceNotFoundError($resourceSet->getName());
}
// lion:
if ($_SERVER['REQUEST_METHOD'] == HTTPRequestMethod::DELETE()) {
return;
}
$entityName = $resourceSet->getResourceType()->getInstanceType()->getName();
if (!is_object($entityInstance) || !$entityInstance instanceof $entityName) {
throw ODataException::createInternalServerError(Messages::providersWrapperIDSQPMethodReturnsUnExpectedType($entityName, $methodName));
}
foreach ($keyDescriptor->getValidatedNamedValues() as $keyName => $valueDescription) {
try {
$keyProperty = new \ReflectionProperty($entityInstance, $keyName);
$keyValue = $keyProperty->getValue($entityInstance);
if (is_null($keyValue)) {
throw ODataException::createInternalServerError(Messages::providersWrapperIDSQPMethodReturnsInstanceWithNullKeyProperties($methodName));
}
$convertedValue = $valueDescription[1]->convert($valueDescription[0]);
if ($keyValue != $convertedValue) {
throw ODataException::createInternalServerError(Messages::providersWrapperIDSQPMethodReturnsInstanceWithNonMatchingKeys($methodName));
}
} catch (\ReflectionException $reflectionException) {
//throw ODataException::createInternalServerError(
// Messages::orderByParserFailedToAccessOrInitializeProperty(
// $resourceProperty->getName(), $resourceType->getName()
// )
//);
}
}
}
/**
* Assert that the given condition is true, if false throw
* ODataException for unexpected state
*
* @param boolean $condition The condition to assert
*
* @return void
*
* @throws ODataException
*/
private function _assertion($condition)
{
if (!$condition) {
throw ODataException::createInternalServerError(Messages::orderByParserUnExpectedState());
}
}
/**
* Build value of $skiptoken from the given object which will be the
* last object in the page.
*
* @param mixed $lastObject entity instance from which skiptoken needs
* to be built.
*
* @return string
*
* @throws ODataException If reflection exception occurs while accessing
* property.
*/
public function buildSkipTokenValue($lastObject)
{
$nextPageLink = null;
foreach ($this->getOrderByPathSegments() as $orderByPathSegment) {
$index = 0;
$currentObject = $lastObject;
$subPathSegments = $orderByPathSegment->getSubPathSegments();
$subPathCount = count($subPathSegments);
foreach ($subPathSegments as &$subPathSegment) {
$isLastSegment = $index == $subPathCount - 1;
try {
$dummyProperty = new \ReflectionProperty($currentObject, $subPathSegment->getName());
$currentObject = $dummyProperty->getValue($currentObject);
if (is_null($currentObject)) {
$nextPageLink .= 'null, ';
break;
} else {
if ($isLastSegment) {
$type = $subPathSegment->getInstanceType();
// assert($type implements IType)
// If this is a string then do utf8_encode to convert
// utf8 decoded characters to
// corrospoding utf8 char (e.g. � to í), then do a
// urlencode to convert í to %C3%AD
// urlencode is needed for datetime and guid too
// if ($type instanceof String || $type instanceof DateTime
// || $type instanceof Guid) {
// if ($type instanceof String) {
// $currentObject = utf8_encode($currentObject);
// }
// $currentObject = urlencode($currentObject);
//}
// call IType::convertToOData to attach reuqired suffix
// and prepfix.
// e.g. $valueM, $valueF, datetime'$value', guid'$value',
// '$value' etc..
// Also we can think about moving above urlencode to this
// function
$value = $type->convertToOData($currentObject);
$nextPageLink .= $value . ', ';
}
}
} catch (\ReflectionException $reflectionException) {
throw ODataException::createInternalServerError(Messages::internalSkipTokenInfoFailedToAccessOrInitializeProperty($subPathSegment->getName()));
}
$index++;
}
}
return rtrim($nextPageLink, ", ");
}
public function handlesOrderedPaging()
{
throw ODataException::createNotImplementedError($this->_message);
}
/**
* serialize exception.
*
* @param ODataException $exception Exception to serialize
* @param Boolean $serializeInnerException if set to true
*
* serialize the inner exception if $exception is an ODataException.
*
* @return string
*/
public static function serializeException(ODataException $exception, $serializeInnerException)
{
$writer = new JsonWriter('');
// Wrapper for error.
$writer->startObjectScope()->writeName(ODataConstants::JSON_ERROR)->startObjectScope();
// "code"
if ($exception->getCode() != null) {
$writer->writeName(ODataConstants::JSON_ERROR_CODE)->writeValue($exception->getCode());
}
// "message"
$writer->writeName(ODataConstants::JSON_ERROR_MESSAGE)->startObjectScope()->writeName(ODataConstants::XML_LANG_ATTRIBUTE_NAME)->writeValue('en-US')->writeName(ODataConstants::JSON_ERROR_VALUE)->writeValue($exception->getMessage())->endScope()->endScope()->endScope();
return $writer->getJsonOutput();
}
/**
* Execute the client submitted request against the data source.
*/
public function execute()
{
$segments = $this->request->getSegments();
foreach ($segments as $segment) {
$requestTargetKind = $segment->getTargetKind();
if ($segment->getTargetSource() == TargetSource::ENTITY_SET) {
$this->handleSegmentTargetsToResourceSet($segment);
} else {
if ($requestTargetKind == TargetKind::RESOURCE()) {
if (is_null($segment->getPrevious()->getResult())) {
throw ODataException::createResourceNotFoundError($segment->getPrevious()->getIdentifier());
}
$this->_handleSegmentTargetsToRelatedResource($segment);
} else {
if ($requestTargetKind == TargetKind::LINK()) {
$segment->setResult($segment->getPrevious()->getResult());
} else {
if ($segment->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) {
// we are done, $count will the last segment and
// taken care by _applyQueryOptions method
$segment->setResult($this->request->getCountValue());
break;
} else {
if ($requestTargetKind == TargetKind::MEDIA_RESOURCE()) {
if (is_null($segment->getPrevious()->getResult())) {
throw ODataException::createResourceNotFoundError($segment->getPrevious()->getIdentifier());
}
// For MLE and Named Stream the result of last segment
// should be that of previous segment, this is required
// while retrieving content type or stream from IDSSP
$segment->setResult($segment->getPrevious()->getResult());
// we are done, as named stream property or $value on
// media resource will be the last segment
break;
}
$value = $segment->getPrevious()->getResult();
while (!is_null($segment)) {
//TODO: what exactly is this doing here? Once a null's found it seems everything will be null
if (!is_null($value)) {
$value = null;
} else {
try {
//see #88
$property = new \ReflectionProperty($value, $segment->getIdentifier());
$value = $property->getValue($value);
} catch (\ReflectionException $reflectionException) {
//throw ODataException::createInternalServerError(Messages::orderByParserFailedToAccessOrInitializeProperty($resourceProperty->getName(), $resourceType->getName()));
}
}
$segment->setResult($value);
$segment = $segment->getNext();
if (!is_null($segment) && $segment->getIdentifier() == ODataConstants::URI_VALUE_SEGMENT) {
$segment->setResult($value);
$segment = $segment->getNext();
}
}
break;
}
}
}
}
if (is_null($segment->getNext()) || $segment->getNext()->getIdentifier() == ODataConstants::URI_COUNT_SEGMENT) {
$this->applyQueryOptions($segment);
}
}
// Apply $select and $expand options to result set, this function will be always applied
// irrespective of return value of IDSQP2::canApplyQueryOptions which means library will
// not delegate $expand/$select operation to IDSQP2 implementation
$this->handleExpansion();
}
/**
* To check whether the the query options $select, $expand
* is applicable for the current requested resource.
*
* @param string $queryItem The query option to check.
*
* @return void
*
* @throws ODataException Throws bad request error if the query
* options $select, $expand cannot be
* applied to the requested resource.
*/
private function _checkExpandOrSelectApplicable($queryItem)
{
if (!$this->_expandSelectApplicable) {
throw ODataException::createBadRequestError(Messages::queryProcessorSelectOrExpandOptionNotApplicable($queryItem));
}
}
/**
* Sets the value status code header on the response
*
* @param string $value The status code
*
* @return void
*/
public function setResponseStatusCode($value)
{
$floor = floor($value / 100);
if ($floor >= 1 && $floor <= 5) {
$statusDescription = HttpStatus::getStatusDescription($value);
if (!is_null($statusDescription)) {
$statusDescription = ' ' . $statusDescription;
}
$this->_operationContext->outgoingResponse()->setStatusCode($value . $statusDescription);
} else {
throw ODataException::createInternalServerError('Invalid Status Code' . $value);
}
}
/**
* Build nextpage link from the given object which will be the last object
* in the page.
*
* @param mixed $lastObject Entity instance to build next page link from.
*
* @return string
*
* @throws ODataException If reflection exception occurs while accessing
* property.
*/
public function buildNextPageLink($lastObject)
{
$nextPageLink = null;
foreach ($this->_internalOrderByInfo->getOrderByPathSegments() as $orderByPathSegment) {
$index = 0;
$currentObject = $lastObject;
$subPathSegments = $orderByPathSegment->getSubPathSegments();
$subPathCount = count($subPathSegments);
foreach ($subPathSegments as &$subPathSegment) {
$isLastSegment = $index == $subPathCount - 1;
try {
$dummyProperty = new \ReflectionProperty($currentObject, $subPathSegment->getName());
$currentObject = $dummyProperty->getValue($currentObject);
if (is_null($currentObject)) {
$nextPageLink .= 'null, ';
break;
} else {
if ($isLastSegment) {
$type = $subPathSegment->getInstanceType();
$value = $type->convertToOData($currentObject);
$nextPageLink .= $value . ', ';
}
}
} catch (\ReflectionException $reflectionException) {
throw ODataException::createInternalServerError(Messages::internalSkipTokenInfoFailedToAccessOrInitializeProperty($subPathSegment->getName()));
}
$index++;
}
}
return rtrim($nextPageLink, ", ");
}
/**
* Write all resource types (entity and complex types)
*
* @param ResourceType[] $resourceTypes resource types array
* @param array $associationTypesInResourceTypesNamespace collection of
* association types for the given resource types
* array(string, AssociationType)
*
* @return void
*/
private function _writeResourceTypes($resourceTypes, $associationTypesInResourceTypesNamespace)
{
foreach ($resourceTypes as $resourceType) {
if ($resourceType->getResourceTypeKind() == ResourceTypeKind::ENTITY) {
$this->_writeEntityType($resourceType, $associationTypesInResourceTypesNamespace);
} else {
if ($resourceType->getResourceTypeKind() == ResourceTypeKind::COMPLEX) {
$this->_writeComplexType($resourceType);
} else {
throw ODataException::createInternalServerError(Messages::metadataWriterExpectingEntityOrComplexResourceType());
}
}
}
}
/**
* Populate map table
*
* @param AbstractExpression $nullCheckExpTree The expression to verfiy.
*
* @return void
*
* @throws ODataException
*/
private function _map($nullCheckExpTree)
{
if ($nullCheckExpTree instanceof LogicalExpression) {
$this->_map($nullCheckExpTree->getLeft());
$this->_map($nullCheckExpTree->getRight());
} else {
if ($nullCheckExpTree instanceof UnaryExpression) {
$this->_map($nullCheckExpTree->getChild());
} else {
if ($nullCheckExpTree instanceof FunctionCallExpression) {
$param = $nullCheckExpTree->getParamExpressions();
$this->_map($param[0]);
} else {
if ($nullCheckExpTree instanceof PropertyAccessExpression) {
$parent = $nullCheckExpTree;
$key = null;
do {
$key = $parent->getResourceProperty()->getName() . '_' . $key;
$parent = $parent->getParent();
} while ($parent != null);
$this->_mapTable[$key] = $nullCheckExpTree;
} else {
throw ODataException::createSyntaxError(Messages::expressionParser2UnexpectedExpression(get_class($nullCheckExpTree)));
}
}
}
}
}
/**
* Checks whether this request has the specified rights
*
* @param EntitySetRights $requiredRights The rights to check
*
* @throws ODataException exception if access to this resource set is forbidden
*/
public function checkResourceSetRights($requiredRights)
{
if (($this->_resourceSetRights & $requiredRights) == 0) {
throw ODataException::createForbiddenError();
}
}
/**
* Assert that the given condition is true, if false throw
* ODataException for syntax error
*
* @param boolean $condition The condition to assert
*
* @return void
*
* @throws ODataException
*/
private function _assertion($condition)
{
if (!$condition) {
throw ODataException::createSyntaxError(Messages::syntaxError());
}
}
/**
* Returns the etag for the given resource.
* Note: This function will not add W\" prefix and " suffix, its callers
* repsonsability.
*
* @param mixed &$entryObject Resource for which etag value needs to
* be returned
* @param ResourceType &$resourceType Resource type of the $entryObject
*
* @return string|null ETag value for the given resource (with values encoded
* for use in a URI) there are etag properties, NULL if
* there is no etag property.
*/
protected function getETagForEntry(&$entryObject, ResourceType &$resourceType)
{
$eTag = null;
$comma = null;
foreach ($resourceType->getETagProperties() as $eTagProperty) {
$type = $eTagProperty->getInstanceType();
self::assert(!is_null($type) && $type instanceof IType, '!is_null($type) && $type instanceof IType');
$value = null;
try {
//TODO #88...also this seems like dupe work
$reflectionProperty = new \ReflectionProperty($entryObject, $eTagProperty->getName());
$value = $reflectionProperty->getValue($entryObject);
} catch (\ReflectionException $reflectionException) {
throw ODataException::createInternalServerError(Messages::failedToAccessProperty($eTagProperty->getName(), $resourceType->getName()));
}
if (is_null($value)) {
$eTag = $eTag . $comma . 'null';
} else {
$eTag = $eTag . $comma . $type->convertToOData($value);
}
$comma = ',';
}
if (!is_null($eTag)) {
// If eTag is made up of datetime or string properties then the above
// IType::convertToOData will perform utf8 and url encode. But we don't
// want this for eTag value.
$eTag = urldecode(utf8_decode($eTag));
return rtrim($eTag, ',');
}
return null;
}
/**
* Serialize the exception
*
* @param ODataException $exception Exception to serialize
* @param boolean $serializeInnerException if set to true,
* serialize the inner exception if $exception is an ODataException.
*
* @return string
*/
public static function serializeException(ODataException $exception, $serializeInnerException)
{
$xmlWriter = new \XMLWriter();
$xmlWriter->openMemory();
$xmlWriter->startDocument('1.0', 'UTF-8', 'yes');
$xmlWriter->setIndent(4);
$xmlWriter->startElement(ODataConstants::XML_ERROR_ELEMENT_NAME);
//$xmlWriter->writeAttributeNs(
// ODataConstants::XMLNS_NAMESPACE_PREFIX,
// ODataConstants::XML_NAMESPACE_PREFIX,
// ODataConstants::XML_NAMESPACE,
// null
//);
$xmlWriter->writeAttribute(ODataConstants::XMLNS_NAMESPACE_PREFIX, ODataConstants::ODATA_METADATA_NAMESPACE);
$xmlWriter->endAttribute();
$xmlWriter->startElement(ODataConstants::XML_ERROR_CODE_ELEMENT_NAME);
if ($exception->getCode() != null) {
$xmlWriter->text($exception->getCode());
}
$xmlWriter->endElement();
$xmlWriter->startElement(ODataConstants::XML_ERROR_MESSAGE_ELEMENT_NAME);
$xmlWriter->text($exception->getMessage());
$xmlWriter->endElement();
$xmlWriter->endElement();
$xmlWriter->endDocument();
return $xmlWriter->outputMemory(true);
}
/**
* Throws parser error.
*
* @param string $message The error message.
*
* @return void
*
* @throws ODataException
*/
private function _parseError($message)
{
throw ODataException::createSyntaxError($message);
}
/**
* Ask data service to load stream provider instance.
*
* @return void
*
* @throws ODataException
*/
private function _loadStreamProvider()
{
if (is_null($this->_streamProvider)) {
$maxServiceVersion = $this->_service->getConfiguration()->getMaxDataServiceVersion();
if ($maxServiceVersion->compare(new Version(3, 0)) >= 0) {
$this->_streamProvider = $this->_service->getService('IStreamProvider2');
if (!is_null($this->_streamProvider) && (!is_object($this->_streamProvider) || !$this->_streamProvider instanceof IStreamProvider2)) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperInvalidStream2Instance());
}
}
if (is_null($this->_streamProvider)) {
$this->_streamProvider = $this->_service->getService('IStreamProvider');
if (!is_null($this->_streamProvider) && (!is_object($this->_streamProvider) || !$this->_streamProvider instanceof IStreamProvider)) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperInvalidStreamInstance());
}
}
}
}