/// <summary> /// Parse the odata path. /// </summary> /// <param name="model">The model to use for path parsing.</param> /// <param name="serviceRoot">The service root of the OData path.</param> /// <param name="odataPath">The OData path to parse.</param> /// <param name="template">The flag indicates whether the path is template or not.</param> /// <param name="serviceProvider">The service proivder.</param> /// <param name="httpContext"></param> /// <param name="resolverSettings"></param> /// <returns>A parsed representation of the path, or <c>null</c> if the path does not match the model.</returns> public static ODataPath Parse(IEdmModel model, string serviceRoot, string odataPath, bool template, IServiceProvider serviceProvider, ODataUriResolverSettings resolverSettings) { ODL.ODataUriParser uriParser; Uri serviceRootUri = null; Uri fullUri = null; // TODO: Replace this type. //NameValueCollection queryString = null; ODataOptions options = serviceProvider.GetRequiredService <IOptions <ODataOptions> >().Value; if (template) { uriParser = new ODL.ODataUriParser(model, new Uri(odataPath, UriKind.Relative), serviceProvider); uriParser.EnableUriTemplateParsing = true; } else { Contract.Assert(serviceRoot != null); serviceRootUri = new Uri( serviceRoot.EndsWith("/", StringComparison.Ordinal) ? serviceRoot : serviceRoot + "/"); fullUri = new Uri(serviceRootUri, odataPath); //queryString = fullUri.ParseQueryString(); uriParser = new ODL.ODataUriParser(model, serviceRootUri, fullUri, serviceProvider); } uriParser.Resolver = resolverSettings.CreateResolver(); if (options.UrlKeyDelimiter != null) { uriParser.UrlKeyDelimiter = options.UrlKeyDelimiter; } else { // ODL changes to use ODataUrlKeyDelimiter.Slash as default value. // Web API still uses the ODataUrlKeyDelimiter.Parentheses as default value. // Please remove it after fix: https://github.com/OData/odata.net/issues/642 uriParser.UrlKeyDelimiter = ODataUrlKeyDelimiter.Parentheses; } ODL.ODataPath path; UnresolvedPathSegment unresolvedPathSegment = null; ODL.KeySegment id = null; try { path = uriParser.ParsePath(); } catch (ODL.ODataUnrecognizedPathException ex) { if (ex.ParsedSegments != null && ex.ParsedSegments.Any() && (ex.ParsedSegments.Last().EdmType is IEdmComplexType || ex.ParsedSegments.Last().EdmType is IEdmEntityType) && ex.CurrentSegment != ODataSegmentKinds.Count) { if (!ex.UnparsedSegments.Any()) { path = new ODL.ODataPath(ex.ParsedSegments); unresolvedPathSegment = new UnresolvedPathSegment(ex.CurrentSegment); } else { // Throw ODataException if there is some segment following the unresolved segment. throw new ODataException(Error.Format( SRResources.InvalidPathSegment, ex.UnparsedSegments.First(), ex.CurrentSegment)); } } else { throw; } } if (!template && path.LastSegment is ODL.NavigationPropertyLinkSegment) { IEdmCollectionType lastSegmentEdmType = path.LastSegment.EdmType as IEdmCollectionType; if (lastSegmentEdmType != null) { ODL.EntityIdSegment entityIdSegment = null; bool exceptionThrown = false; try { entityIdSegment = uriParser.ParseEntityId(); if (entityIdSegment != null) { // Create another ODataUriParser to parse $id, which is absolute or relative. ODL.ODataUriParser parser = new ODL.ODataUriParser(model, serviceRootUri, entityIdSegment.Id); id = parser.ParsePath().LastSegment as ODL.KeySegment; } } catch (ODataException) { // Exception was thrown while parsing the $id. // We will throw another exception about the invalid $id. exceptionThrown = true; } if (exceptionThrown || (entityIdSegment != null && (id == null || !(id.EdmType.IsOrInheritsFrom(lastSegmentEdmType.ElementType.Definition) || lastSegmentEdmType.ElementType.Definition.IsOrInheritsFrom(id.EdmType))))) { throw new ODataException(Error.Format(SRResources.InvalidDollarId, "$id" /*queryString.Get("$id")*/)); } } } // do validation for the odata path path.WalkWith(new DefaultODataPathValidator(model)); // do segment translator (for example parameter alias, key & function parameter template, etc) var segments = ODataPathSegmentTranslator.Translate(model, path, uriParser.ParameterAliasNodes).ToList(); if (unresolvedPathSegment != null) { segments.Add(unresolvedPathSegment); } if (!template) { AppendIdForRef(segments, id); } return(new ODataPath(segments) { ODLPath = path }); }
public override ODataPath Parse(string serviceRoot, string odataPath, IServiceProvider requestContainer) { ODL.ODataUriParser uriParser; Uri serviceRootUri = null; Uri fullUri = null; string dataSourceName = odataPath.Split('/')[0]; IEdmModel model = requestContainer.GetService(typeof(IEdmModel)) as IEdmModel; Contract.Assert(serviceRoot != null); serviceRootUri = new Uri( serviceRoot.EndsWith("/", StringComparison.Ordinal) ? serviceRoot : serviceRoot + "/"); // Concatenate the root and path and create a Uri. Using Uri to build a Uri from // a root and relative path changes the casing on .NetCore. However, odataPath may // be a full Uri. if (!Uri.TryCreate(odataPath, UriKind.Absolute, out fullUri)) { fullUri = new Uri(serviceRootUri + odataPath); } serviceRootUri = new Uri(serviceRootUri, dataSourceName); uriParser = new ODL.ODataUriParser(model, serviceRootUri, fullUri, requestContainer); if (UrlKeyDelimiter != null) { uriParser.UrlKeyDelimiter = UrlKeyDelimiter; } else { // ODL changes to use ODataUrlKeyDelimiter.Slash as default value. // Web API still uses the ODataUrlKeyDelimiter.Parentheses as default value. // Please remove it after fix: https://github.com/OData/odata.net/issues/642 uriParser.UrlKeyDelimiter = ODataUrlKeyDelimiter.Parentheses; } ODL.ODataPath path; UnresolvedPathSegment unresolvedPathSegment = null; ODL.KeySegment id = null; try { path = uriParser.ParsePath(); } catch (ODL.ODataUnrecognizedPathException ex) { if (ex.ParsedSegments != null && ex.ParsedSegments.Any() && (ex.ParsedSegments.Last().EdmType is IEdmComplexType || ex.ParsedSegments.Last().EdmType is IEdmEntityType) && ex.CurrentSegment != ODataSegmentKinds.Count) { if (!ex.UnparsedSegments.Any()) { path = new ODL.ODataPath(ex.ParsedSegments); unresolvedPathSegment = new UnresolvedPathSegment(ex.CurrentSegment); } else { // Throw ODataException if there is some segment following the unresolved segment. throw new ODataException(String.Format(CultureInfo.CurrentCulture, "InvalidPathSegment", ex.UnparsedSegments.First(), ex.CurrentSegment)); } } else { throw; } } if (path.LastSegment is ODL.NavigationPropertyLinkSegment) { IEdmCollectionType lastSegmentEdmType = path.LastSegment.EdmType as IEdmCollectionType; if (lastSegmentEdmType != null) { ODL.EntityIdSegment entityIdSegment = null; bool exceptionThrown = false; try { entityIdSegment = uriParser.ParseEntityId(); if (entityIdSegment != null) { // Create another ODataUriParser to parse $id, which is absolute or relative. ODL.ODataUriParser parser = new ODL.ODataUriParser(model, serviceRootUri, entityIdSegment.Id, requestContainer); id = parser.ParsePath().LastSegment as ODL.KeySegment; } } catch (ODataException) { // Exception was thrown while parsing the $id. // We will throw another exception about the invalid $id. exceptionThrown = true; } if (exceptionThrown || (entityIdSegment != null && (id == null || !(id.EdmType.IsOrInheritsFrom(lastSegmentEdmType.ElementType.Definition) || lastSegmentEdmType.ElementType.Definition.IsOrInheritsFrom(id.EdmType))))) { // System.Net.Http on NetCore does not have the Uri extension method // ParseQueryString(), to avoid a platform-specific call, extract $id manually. string idValue = fullUri.Query; string idParam = "$id="; int start = idValue.IndexOf(idParam, StringComparison.OrdinalIgnoreCase); if (start >= 0) { int end = idValue.IndexOf("&", start, StringComparison.OrdinalIgnoreCase); if (end >= 0) { idValue = idValue.Substring(start + idParam.Length, end - 1); } else { idValue = idValue.Substring(start + idParam.Length); } } throw new ODataException(String.Format(CultureInfo.CurrentCulture, "InvalidDollarId", idValue)); } } } // do validation for the odata path path.WalkWith(new DefaultODataPathValidator(model)); // do segment translator (for example parameter alias, key & function parameter template, etc) var segments = ODataPathSegmentTranslator.Translate(model, path, uriParser.ParameterAliasNodes).ToList(); if (unresolvedPathSegment != null) { segments.Add(unresolvedPathSegment); } AppendIdForRef(segments, id); return(new ODataPath(segments)); }