46 lines
2.1 KiB
C#
46 lines
2.1 KiB
C#
using System.Web;
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using AutheliaMultiDomainProxy.Backend;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Net.Http.Headers;
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using SameSiteMode = Microsoft.AspNetCore.Http.SameSiteMode;
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namespace AutheliaMultiDomainProxy.Controllers;
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[Controller]
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public class CookieProxyController : Controller {
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[Produces("text/html", "text/plain")]
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[Route("/api/cookieproxy_stage_one")]
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public IActionResult StageOne([FromQuery] string dstDomain, [FromQuery] string tgt) {
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if (!Request.Cookies.ContainsKey("authelia_session")
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|| string.IsNullOrWhiteSpace(dstDomain)
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|| !Vars.PermittedDstDomains.Contains(dstDomain)
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|| string.IsNullOrWhiteSpace(tgt)) {
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return BadRequest("Bad request.");
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}
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var targetUrl =
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$"https://{Vars.AuthProxySubdomain}.{dstDomain}/api/cookieproxy_stage_two?dstDomain={HttpUtility.UrlEncode(dstDomain)}&tgt={HttpUtility.UrlEncode(tgt)}";
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return Content($"Redirecting to cookie proxy (stage two) on the destination domain... <form method=\"POST\" action=\"{targetUrl}\"> <input type=\"hidden\" name=\"cookie\" value=\"{Request.Cookies["authelia_session"]}\"><button type=\"submit\">Click here</button> if you are not redirected automatically</form><script>document.querySelector(\"form\").submit();</script>", "text/html");
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}
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[HttpPost]
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[Produces("text/html", "text/plain")]
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[Route("/api/cookieproxy_stage_two")]
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public IActionResult StageTwo([FromQuery] string dstDomain, [FromQuery] string tgt, [FromForm] string cookie) {
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if (string.IsNullOrWhiteSpace(dstDomain) || !Vars.PermittedDstDomains.Contains(dstDomain) || string.IsNullOrWhiteSpace(cookie) || string.IsNullOrWhiteSpace(tgt)) {
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return BadRequest("Bad request.");
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}
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Response.Cookies.Append(Vars.CookieName, cookie,
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new CookieOptions {
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Expires = DateTimeOffset.Now + TimeSpan.FromDays(365),
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SameSite = SameSiteMode.Lax,
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Secure = true,
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HttpOnly = true,
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Domain = dstDomain
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});
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Response.Redirect(tgt);
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return Content($"Cookie set. Redirecting... <a href=\"{tgt}\">Click here if you are not redirected automatically</a>", "text/html");
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}
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}
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