31 lines
1.2 KiB
C#
31 lines
1.2 KiB
C#
using System.Web;
|
|
using AutheliaMultiDomainProxy.Backend;
|
|
using Microsoft.AspNetCore.Mvc;
|
|
|
|
namespace AutheliaMultiDomainProxy.Controllers;
|
|
|
|
[Controller]
|
|
[Route("/api/redirect")]
|
|
public class RedirectController : Controller {
|
|
public IActionResult Get([FromQuery] string tgt) {
|
|
// Check if we are on an allowed domain
|
|
if (!Vars.PermittedDomains.Any(p => Request.Host.Host.EndsWith($".{p}"))) {
|
|
Response.StatusCode = 421;
|
|
return StatusCode(StatusCodes.Status421MisdirectedRequest);
|
|
}
|
|
|
|
var dstDomain = AuthHelpers.GetRootDomain(tgt);
|
|
|
|
if (string.IsNullOrWhiteSpace(tgt) || !Vars.PermittedDomains.Contains(dstDomain)) {
|
|
Response.StatusCode = StatusCodes.Status421MisdirectedRequest;
|
|
return BadRequest("Bad request.");
|
|
}
|
|
|
|
// tgt is urlencoded twice because authelia decodes it by one layer
|
|
var targetUrl =
|
|
$"https://{Vars.AutheliaSubdomain}.{Vars.UpstreamPrimaryDomain}/?rd=https%3A%2F%2F{Vars.AuthProxySubdomain}.{Vars.UpstreamPrimaryDomain}%2Fapi%2Fcookieproxy_stage_one%3FdstDomain%3D{dstDomain}%26tgt%3D{HttpUtility.UrlEncode(HttpUtility.UrlEncode(tgt))}";
|
|
Response.Redirect(targetUrl);
|
|
return Content($"Redirecting... <a href=\"{targetUrl}\">Click here if you are not redirected automatically</a>", "text/html");
|
|
}
|
|
}
|