private void Abort(int errorCode, string errorMessage)
{
var session = GetSession();
session["ErrorMessage"] = $"{errorCode}: {errorMessage}";
var output = Encoding.Default.GetBytes(TemplatingEngine.Parse(session, Pages.Error));
Response.StatusCode = errorCode;
Response.StatusDescription = errorMessage;
Response.ContentEncoding = Encoding.Default;
Response.ContentLength64 = output.LongLength;
Response.OutputStream.WriteAsync(output, 0, output.Length);
Response.OutputStream.Flush();
Response.Close();
}
private void HandleGet(string path)
{
var session = GetSession();
// GET request for a method
if (Route != null)
{
if (!HasAccess())
{
Abort(401, "Unauthorized access");
return;
}
var method = Route.GetAssociatedMethod();
var parameters = new Dictionary <string, dynamic>();
foreach (var p in method.GetParameters())
{
if (p.IsOptional && !Request.QueryString.AllKeys.Contains(p.Name))
{
parameters[p.Name] = p.DefaultValue;
continue;
}
if (!p.IsOptional && Nullable.GetUnderlyingType(p.ParameterType) == null && !Request.QueryString.AllKeys.Contains(p.Name))
{
Abort(400, $"Parameter `{p.Name}` is missing value for a method call.");
return;
}
var pType = Nullable.GetUnderlyingType(p.ParameterType) ?? p.ParameterType;
parameters[p.Name] = Request.QueryString[p.Name] != null?Convert.ChangeType(Request.QueryString[p.Name], pType) : null;
}
var returnValue = method.Invoke(null, parameters.Values.Cast <object>().ToArray());
if (returnValue is Response)
{
var resp = returnValue as Response;
Response.StatusCode = 200;
Response.Redirect(RootUrl + resp.Redirect);
Response.Close();
return;
}
if (returnValue != null)
{
var output = Encoding.Default.GetBytes(returnValue.ToString());
Response.ContentEncoding = Encoding.Default;
Response.ContentLength64 = output.LongLength;
Response.OutputStream.WriteAsync(output, 0, output.Length);
Response.OutputStream.Flush();
}
Response.StatusCode = 200;
Response.Close();
return;
}
// GET request for a file
if (!Path.HasExtension(path))
{
path += ".html";
}
if (!File.Exists(path))
{
Abort(404, $"GET request leads to a file that doesn't exist. Verify your path.");
return;
}
if (!HasFileAccess(path))
{
Abort(401, $"Unauthorized file access.");
return;
}
var text = File.ReadAllText(path);
var data = Encoding.Default.GetBytes(path.EndsWith(".html") ? TemplatingEngine.Parse(session, text) : text);
Response.StatusCode = 200;
Response.ContentEncoding = Encoding.Default;
Response.ContentLength64 = data.LongLength;
Response.OutputStream.WriteAsync(data, 0, data.Length);
Response.OutputStream.Flush();
Response.Close();
return;
}
