public static HttpResponseValue Get(string uri, String username, String password)
{
try
{
log.Debug("URL to call : " + uri.ToString());
System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
if (username != null && password != null)
{
string credential = username + ":" + password;
string authHeader = Convert.ToBase64String(Encoding.Default.GetBytes(credential));
request.Headers["Authorization"] = "Basic " + authHeader;
}
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
int statusCode = (int)response.StatusCode;
var contentType = response.Headers.Get("Content-Type");
using (Stream stream = response.GetResponseStream())
using (StreamReader reader = new StreamReader(stream))
{
string responseBody = reader.ReadToEnd();
HttpResponseValue httpResponseValue = new HttpResponseValue(responseBody, contentType, statusCode);
return(httpResponseValue);
}
}
}
catch (WebException e)
{
throw e;
}
catch (Exception e)
{
throw e;
}
}
public static void process(Uri uri, string username, string password, string response, string outputFile)
{
//Console.WriteLine(output);
var results = JsonConvert.DeserializeObject <dynamic>(response);
var metadataURI = results["@odata.context"].Value;
var url = new Uri(metadataURI);
var host = url.Host;
int port = url.Port;
if (!(port == 80 || port == 443))
{
host = host + ":" + port;
}
var version = "1.0.0";
var protocol = url.Scheme;
var basePath = url.AbsolutePath;
basePath = basePath.Substring(0, basePath.LastIndexOf("/"));
HttpResponseValue httpResponseValue = Util.Get(metadataURI, username, password);
if (httpResponseValue.getStatusCode() == 200)
{
StringReader stringReader = new StringReader(httpResponseValue.getResponseBody());
XmlReader reader = XmlReader.Create(stringReader);
IEdmModel model;
IEnumerable <EdmError> errors;
CsdlReader.TryParse(reader, out model, out errors);
JObject swaggerDoc = new JObject()
{
{ "swagger", "2.0" },
{ "info", new JObject()
{
{ "title", "OData Service" },
{ "description", "The OData Service at " + metadataURI },
{ "version", version },
{ "x-odata-version", "4.0" }
} },
{ "host", host },
{ "schemes", new JArray(protocol) },
{ "basePath", basePath },
{ "consumes", new JArray("application/json") },
{ "produces", new JArray("application/json") },
};
JObject swaggerPaths = new JObject();
swaggerDoc.Add("paths", swaggerPaths);
JObject swaggeDefinitions = new JObject();
swaggerDoc.Add("definitions", swaggeDefinitions);
foreach (var entitySet in model.EntityContainer.EntitySets())
{
swaggerPaths.Add("/" + entitySet.Name + "*", CreateSwaggerPathForEntitySet(entitySet));
swaggerPaths.Add(GetPathForEntity(entitySet) + "*", CreateSwaggerPathForEntity(entitySet));
}
foreach (var operationImport in model.EntityContainer.OperationImports())
{
swaggerPaths.Add(GetPathForOperationImport(operationImport) + "*", CreateSwaggerPathForOperationImport(operationImport));
}
foreach (var type in model.SchemaElements.OfType <IEdmStructuredType>())
{
swaggeDefinitions.Add(type.FullTypeName(), CreateSwaggerDefinitionForStructureType(type));
}
foreach (var operation in model.SchemaElements.OfType <IEdmOperation>())
{
// skip unbound operation
if (!operation.IsBound)
{
continue;
}
var boundParameter = operation.Parameters.First();
var boundType = boundParameter.Type.Definition;
// skip operation bound to non entity (or entity collection)
if (boundType.TypeKind == EdmTypeKind.Entity)
{
IEdmEntityType entityType = boundType as IEdmEntityType;
foreach (var entitySet in
model.EntityContainer.EntitySets().Where(es => es.EntityType().Equals(entityType)))
{
swaggerPaths.Add(GetPathForOperationOfEntity(operation, entitySet) + "*",
CreateSwaggerPathForOperationOfEntity(operation, entitySet));
}
}
else if (boundType.TypeKind == EdmTypeKind.Collection &&
(boundType as IEdmCollectionType).ElementType.Definition.TypeKind == EdmTypeKind.Entity)
{
IEdmEntityType entityType = boundType as IEdmEntityType;
foreach (
var entitySet in
model.EntityContainer.EntitySets().Where(es => es.EntityType().Equals(entityType)))
{
swaggerPaths.Add(GetPathForOperationOfEntitySet(operation, entitySet) + "*",
CreateSwaggerPathForOperationOfEntitySet(operation, entitySet));
}
}
}
swaggeDefinitions.Add("_Error", new JObject()
{
{
"properties", new JObject()
{
{
"error", new JObject()
{
{ "$ref", "#/definitions/_InError" }
}
}
}
}
});
swaggeDefinitions.Add("_InError", new JObject()
{
{
"properties", new JObject()
{
{
"code", new JObject()
{
{ "type", "string" }
}
},
{
"message", new JObject()
{
{ "type", "string" }
}
}
}
}
});
File.WriteAllText(outputFile, swaggerDoc.ToString());
}
}
static void Main(string[] args)
{
// log4net.Config.BasicConfigurator.Configure();
log.Debug("Converting odatav3 document");
string samlDisabled = "saml2=disabled";
bool disableSAML = false;
string username = null;
string password = null;
if (args.Length < 2)
{
Console.WriteLine("Invalid command line arguments");
Console.WriteLine("Example OData 4: OdataSwaggerConverter.exe http://services.odata.org/V4/TripPinServiceRW trip.json");
Console.WriteLine("Example OData 3: OdataSwaggerConverter.exe http://services.odata.org/V3/Northwind/Northwind.svc/$metadata northwind.json");
return;
}
string outputFile = args[1];
string metadataURI = args[0];
if (args.Length == 4)
{
username = args[2];
password = args[3];
}
else if (args.Length == 5 || args.Length == 3)
{
username = args[2];
password = args[3];
string samlFlag = args[4].Trim();
if (samlFlag.Equals(samlDisabled))
{
disableSAML = true;
metadataURI = metadataURI + "?" + samlDisabled;
}
}
try
{
var url = new Uri(metadataURI);
HttpResponseValue httpResponseValue = Util.Get(metadataURI, username, password);
int statusCode = httpResponseValue.getStatusCode();
string responseBody = httpResponseValue.getResponseBody();
string contentType = httpResponseValue.getContentType();
log.Debug("Response Http Status code : " + statusCode);
log.Debug("Response from metadata URI : " + responseBody);
log.Debug("Response Content-Type : " + contentType);
if (statusCode == 200)
{
if (contentType.Contains("application/json"))
{
log.Info("Processing odata 4 meta data");
OData4.process(url, username, password, httpResponseValue.getResponseBody(), outputFile);
}
else if (contentType.Contains("application/xml"))
{
StringReader stringReader = new StringReader(responseBody);
IEdmModel model = EdmxReader.Parse(System.Xml.XmlTextReader.Create(stringReader));
process(url, model, outputFile, disableSAML);
}
}
}catch (Exception e)
{
log.Error("Problem in reading meta data file", e);
return;
}
}
