/// <summary>
/// Gets a byte representation of the data requested in this HttpListenerContext request
/// </summary>
/// <param name="sender">Sender of the call</param>
/// <param name="context">Context of the HTTP request</param>
/// <param name="controllers">Relevant controllers to be searched for methods</param>
/// <returns>a byte representation of the data requested in this HttpListenerContext request</returns>
public static byte[] handleResponse(SaneServer sender, HttpListenerContext context, List <Type> controllers)
{
List <HttpArgument> arguments = new List <HttpArgument>();
MethodInfo[][] info = controllers.Select((g) => (g.GetMethods().Where((x) => (x.GetCustomAttribute <ControllerAttribute>() != null || x.GetCustomAttribute <DataBoundViewAttribute>() != null)).ToArray())).ToArray();
List <MethodInfo> methods = new List <MethodInfo>();
for (int i = 0; i < info.Length; i++)
{
for (int j = 0; j < info[i].Length; j++)
{
methods.Add(info[i][j]);
}
}
foreach (String key in context.Request.QueryString.AllKeys)
{
arguments.Add(new HttpArgument(key, context.Request.QueryString.GetValues(key).First()));
}
byte[] returned = new byte[] { };
foreach (MethodInfo method in methods)
{
ControllerAttribute attribute = method.GetCustomAttribute <ControllerAttribute>();
if (attribute == null)
{
continue;
}
String trimmed = context.Request.RawUrl.Substring(0, context.Request.RawUrl.LastIndexOf("/") + 1);
if ((attribute.path.Substring(0).Equals(trimmed)) && (attribute.verb.Equals(context.Request.HttpMethod)))
{
try
{
ParameterInfo[] parameters = method.GetParameters();
Dictionary <ParameterInfo, String> match = new Dictionary <ParameterInfo, String>();
foreach (ParameterInfo parameter in parameters)
{
foreach (HttpArgument argument in arguments)
{
if (argument.key.Equals(parameter.Name))
{
match[parameter] = argument.value;
}
}
}
object[] finalized = new object[parameters.Length];
finalized[0] = context;
if (context.Request.HasEntityBody)
{
finalized[1] = new StreamReader(context.Request.InputStream).ReadToEnd();
}
else
{
finalized[1] = String.Empty;
}
for (int i = 2; i < parameters.Length; i++)
{
finalized[i] = (match.ContainsKey(parameters[i])) ? match[parameters[i]] : null;
}
context.Response.ContentType = attribute.contentType;
if (method.ReturnType.Equals((new byte[] { }).GetType()))
{
return((byte[])method.Invoke(null, finalized));
}
else
{
return(Encoding.UTF8.GetBytes(method.Invoke(null, finalized) + ""));
}
}
catch (Exception e)
{
context.Response.ContentType = attribute.contentType;
if (sender.GetErrorHandler() != null)
{
context.Response.StatusCode = 400;
SaneErrorEventArgs args = new SaneErrorEventArgs(ResponseErrorReason.INTERNAL_API_THROW, e, false, "");
sender.GetErrorHandler()(null, args);
if (args.Propogate)
{
return(Encoding.UTF8.GetBytes(args.Response));
}
else
{
return(new byte[] { });
}
}
else
{
context.Response.StatusCode = 400;
return(Encoding.UTF8.GetBytes("An error occured processing your request, and no error handler is currently set!"));
}
}
}
else if ((attribute.path.Substring(0).Equals(trimmed)))
{
if (sender.GetErrorHandler() != null)
{
context.Response.StatusCode = 400;
SaneErrorEventArgs args = new SaneErrorEventArgs(ResponseErrorReason.INCORRECT_API_TYPE, new Exception("Incorrect API request type! Got " + context.Request.HttpMethod + ", expected " + attribute.verb + "!"), false, "");
sender.GetErrorHandler()(null, args);
if (args.Propogate)
{
return(Encoding.UTF8.GetBytes(args.Response));
}
else
{
return(new byte[] { });
}
}
else
{
context.Response.StatusCode = 400;
return(Encoding.UTF8.GetBytes("An error occured processing your request, and no error handler is currently set!"));
}
}
}
Assembly assembly = Assembly.GetEntryAssembly();
XmlDocument structure = sender.GetViewStructure();
XmlNodeList resources = structure.SelectNodes("view/resource");
String request = context.Request.RawUrl.Substring(1).Replace("/", ".");
XmlNode homePage = null;
XmlNode notFound = null;
foreach (XmlNode node in resources)
{
if (request.Equals(node.Attributes["path"].Value.Replace("/", ".")))
{
context.Response.ContentType = node.Attributes["content-type"].Value;
byte[] clientData = Utility.fetchForClient(assembly, node.Attributes["location"].Value);
foreach (MethodInfo method in methods)
{
DataBoundViewAttribute attribute = method.GetCustomAttribute <DataBoundViewAttribute>();
if (attribute == null)
{
continue;
}
if ((attribute.path.Equals(context.Request.RawUrl)))
{
Object binding = method.Invoke(null, new object[] { context });
DataBoundView boundView = new DataBoundView(clientData, binding);
return(Encoding.UTF8.GetBytes(boundView.html));
}
}
return(clientData);
}
if (node.Attributes["situational"] != null)
{
String value = node.Attributes["situational"].Value;
if (value.Equals("homepage"))
{
homePage = node;
}
else if (value.Equals("404"))
{
notFound = node;
}
}
}
if (context.Request.RawUrl.Trim().Length <= 1)
{
context.Response.ContentType = "text/html";
byte[] clientData = new byte[] { };
if (homePage != null)
{
clientData = Utility.fetchForClient(assembly, homePage.Attributes["location"].Value.Replace("/", "."));
foreach (MethodInfo method in methods)
{
DataBoundViewAttribute attribute = method.GetCustomAttribute <DataBoundViewAttribute>();
if (attribute == null)
{
continue;
}
if ((attribute.path.Substring(1).Equals(homePage.Attributes["path"].Value)))
{
Object binding = method.Invoke(null, new object[] { context });
DataBoundView boundView = new DataBoundView(clientData, binding);
return(Encoding.UTF8.GetBytes(boundView.html));
}
}
}
return(clientData);
}
context.Response.StatusCode = 404;
context.Response.ContentType = "text/html";
byte[] ret = new byte[] { };
if (notFound != null)
{
ret = Utility.fetchForClient(assembly, notFound.Attributes["location"].Value.Replace("/", "."));
foreach (MethodInfo method in methods)
{
DataBoundViewAttribute attribute = method.GetCustomAttribute <DataBoundViewAttribute>();
if (attribute == null)
{
continue;
}
if ((attribute.path.Substring(1).Equals(notFound.Attributes["path"].Value)))
{
Object binding = method.Invoke(null, new object[] { context });
DataBoundView boundView = new DataBoundView(ret, binding);
return(Encoding.UTF8.GetBytes(boundView.html));
}
}
}
return(ret);
}
public static void ErrorHandler(Object sender, SaneErrorEventArgs e)
{
Logger.Error("Unexpected error - " + e.Exception.Message + e.Exception.StackTrace);
e.Propogate = false;
}
