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FLocal/IISMainHandler/handlers/request/AbstractPostHandler.cs

53 lines
1.3 KiB

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using FLocal.Core;
using FLocal.Common;
namespace FLocal.IISHandler.handlers.request {
abstract class AbstractPostHandler : ISpecificHandler {
abstract protected string templateName {
get;
}
virtual protected bool shouldBeLoggedIn {
get {
return true;
}
}
virtual protected bool shouldBeGuest {
get {
return false;
}
}
abstract protected XElement[] Do(WebContext context);
private XDocument getData(WebContext context) {
return new XDocument(
new XElement("root",
new XElement("title", Config.instance.AppInfo),
this.Do(context),
context.exportSession()
)
);
}
public void Handle(WebContext context) {
Uri referer = context.httprequest.UrlReferrer;
if(referer == null || referer.Host != context.httprequest.Url.Host) {
throw new System.Web.HttpException(403, "Wrong referer");
}
if(this.shouldBeGuest && context.session != null) throw new FLocalException("Should be guest");
if(this.shouldBeLoggedIn && context.session == null) throw new FLocalException("Should be anonymous");
context.httpresponse.Write(context.Transform(this.templateName, this.getData(context)));
}
}
}