string GetProxyUrl(string path, int backendPort, Nancy.DynamicDictionary querystring)
{
var qs = new System.Text.StringBuilder();
foreach (string key in querystring.Keys)
{
if (qs.Length == 0)
{
qs.Append($"?{key}");
}
else
{
qs.Append($"&{key}");
}
if (querystring[key].HasValue)
{
qs.Append("=").Append(querystring[key].Value as string);
}
}
if (string.IsNullOrWhiteSpace(path))
{
return($"http://localhost:{backendPort}/{qs.ToString()}");
}
return($"http://localhost:{backendPort}/{path}{qs.ToString()}");
}
object Get_input_from_param(Nancy.DynamicDictionary routeParams, Nancy.DynamicDictionary querystringParams, ServiceParameter param)
{
if (param.IsPayload)
{
if (param.Type == typeof(string))
{
return(this.Request.Body.AsString());
}
else
{
if (!this.Request.Headers["Content-Type"].Any(h => h == "application/json"))
{
throw new InvalidOperationException("Invalid Content-Type for payload data! Needs to be 'application/json'.");
}
var payloadJson = this.Request.Body.AsString();
return(new JavaScriptSerializer().Deserialize(payloadJson, param.Type));
}
}
else if (Is_in(routeParams))
{
return(Parse(routeParams[param.Name].ToString()));
}
else if (Is_in(querystringParams))
{
return(Parse(querystringParams[param.Name].ToString()));
}
throw new InvalidOperationException($"Parameter not found in route or query string: {param.Name}!");
bool Is_in(Nancy.DynamicDictionary paramList) => paramList.ContainsKey(param.Name);
object Parse(string data)
{
if (param.Type == typeof(string))
{
return(data);
}
else if (param.Type == typeof(Guid))
{
return(new Guid(data));
}
else if (param.Type == typeof(DateTime))
{
return(DateTime.Parse(data));
}
else
{
var json = new JavaScriptSerializer();
return(json.Deserialize(data, param.Type));
}
}
}
protected string getParaWithoutUrldecode(string key)
{
Nancy.DynamicDictionary querydict = this.Request.Query as Nancy.DynamicDictionary;
if (querydict != null)
{
if (querydict.ContainsKey(key))
{
return(querydict[key]);
}
}
Nancy.DynamicDictionary queryform = this.Request.Form as Nancy.DynamicDictionary;
if (queryform != null)
{
if (queryform.ContainsKey(key))
{
return(queryform[key]);
}
}
return("");
}
protected string getPara(string key)
{
Nancy.DynamicDictionary querydict = this.Request.Query as Nancy.DynamicDictionary;
if (querydict != null)
{
if (querydict.ContainsKey(key))
{
return(CharSetHelper.UrlDeCode(querydict[key], Encoding.UTF8));
}
}
Nancy.DynamicDictionary queryform = this.Request.Form as Nancy.DynamicDictionary;
if (queryform != null)
{
if (queryform.ContainsKey(key))
{
return(CharSetHelper.UrlDeCode(queryform[key], Encoding.UTF8));
}
}
return("");
}
public ServiceModule(ServiceManager serviceManager)
{
// Find all service methods having a ServiceGetContractAttribute attached to it.
var bindQuery = from service in serviceManager.Services
from method in service.GetType().GetMethods()
from attribute in method.GetCustomAttributes(true)
where attribute is ServiceBase.ServiceGetContractAttribute
select new { service, method, attribute };
foreach (var bindData in bindQuery)
{
var service = bindData.service;
var method = bindData.method;
var attribute = bindData.attribute;
var contract = attribute as ServiceBase.ServiceGetContractAttribute;
if (contract == null)
{
continue;
}
bool isPut = contract is ServiceBase.ServicePutContractAttribute;
var mapper = new ContractMapper("/" + service.Name + "/" + contract.uri, method);
string uri = mapper.GetMappedUri();
Func <dynamic, dynamic> lambda = parameters =>
{
var arguments = new List <object>();
mapper.MapArguments(parameters, Request.Query, arguments);
if (mapper.BindBody && mapper.DynamicBody)
{
// Bind manually for now until I've fixed the dynamic type.
// Attempt to deserialize body from Json
Nancy.DynamicDictionary body = null;
if (Request.Body.Length > 0)
{
var buffer = new byte[Request.Body.Length];
Request.Body.Position = 0;
Request.Body.Read(buffer, 0, (int)Request.Body.Length);
string bodyStr = Encoding.Default.GetString(buffer);
Log.Debug("Got body data:\n{0}", bodyStr);
var serializer = new Nancy.Json.JavaScriptSerializer();
try
{
var bodyJson = serializer.DeserializeObject(bodyStr) as System.Collections.Generic.Dictionary <string, object>;
if (bodyJson != null)
{
body = Nancy.DynamicDictionary.Create(bodyJson);
}
}
catch (System.ArgumentException)
{
// Just eat it.
Log.Warning("Got request with invalid json body for url: " + Request.Url);
return(null);
}
}
arguments.Add(body);
}
else if (mapper.BindBody)
{
// Bind specific type.
var config = new BindingConfig();
config.BodyOnly = true;
config.IgnoreErrors = false;
// The Bind<> method exists on the ModuleExtension rather than the NancyModule.
var extensionMethods = typeof(ModuleExtensions).GetMethods();
var methodList = new List <MethodInfo>(extensionMethods);
// Get correct generic bind method
var bindMethod = methodList.Find(x => x.Name == "Bind" && x.GetParameters().Length == 1 && x.IsGenericMethod == true);
var genericMethod = bindMethod.MakeGenericMethod(mapper.BodyType);
// Bind our object.
var boundBody = genericMethod.Invoke(null, new object[] { this });
arguments.Add(boundBody);
}
try
{
object result = method.Invoke(service, arguments.ToArray());
return(Response.AsJson(result));
}
catch (TargetInvocationException e)
{
Log.Error(
"Invocation exception of uri: " + uri + "\n"
+ "Exception: " + e.Message + "\n"
+ "Callstack:" + e.StackTrace + "\n"
+ "Inner: " + e.InnerException.Message + "\n"
+ "Callstack: " + e.InnerException.StackTrace);
// TODO - A better way to unwrap this? Just throwing inner exception will cause an ObjectDisposedException
throw new Exception(e.InnerException.Message);
}
};
if (isPut)
{
//Log.Debug("Adding PUT binding for {0}", uri);
Put[uri] = lambda;
Post[uri] = lambda;
}
else
{
//Log.Debug("Adding GET binding for {0}", uri);
Get[uri] = lambda;
}
}
}
