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Merge pull request #479 from zitadel/saml-post

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fix(SAML): use route handler to saml post
This commit is contained in:
Max Peintner
2025-06-24 10:01:36 +02:00
committed by GitHub
parent 306fe21d40 2bb251b82b
commit 9c7ea795a2
2 changed files with 30 additions and 43 deletions
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43
apps/login/src/app/(login)/saml-post/page.tsx
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@@ -1,43 +0,0 @@
"use client";
import { useSearchParams } from "next/navigation";
import { useEffect } from "react";
export default function SamlPost() {
const searchParams = useSearchParams();
const url = searchParams.get("url");
const relayState = searchParams.get("RelayState");
const samlResponse = searchParams.get("SAMLResponse");
useEffect(() => {
// Automatically submit the form after rendering
const form = document.getElementById("samlForm") as HTMLFormElement;
if (form) {
form.submit();
}
}, []);
if (!url || !relayState || !samlResponse) {
return (
<p className="text-center">Missing required parameters for SAML POST.</p>
);
}
return (
<html lang="en">
<head>
<meta charSet="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Redirecting...</title>
</head>
<body>
<form id="samlForm" action={url} method="POST">
<input type="hidden" name="RelayState" value={relayState} />
<input type="hidden" name="SAMLResponse" value={samlResponse} />
</form>
<p>Redirecting...</p>
</body>
</html>
);
}

30
apps/login/src/app/(login)/saml-post/route.ts Normal file
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@@ -0,0 +1,30 @@
import { NextRequest, NextResponse } from "next/server";
export async function GET(request: NextRequest) {
const searchParams = request.nextUrl.searchParams;
const url = searchParams.get("url");
const relayState = searchParams.get("RelayState");
const samlResponse = searchParams.get("SAMLResponse");
if (!url || !relayState || !samlResponse) {
return new NextResponse("Missing required parameters", { status: 400 });
}
// Respond with an HTML form that auto-submits via POST
const html = `
<html>
<body onload="document.forms[0].submit()">
<form action="${url}" method="post">
<input type="hidden" name="RelayState" value="${relayState}" />
<input type="hidden" name="SAMLResponse" value="${samlResponse}" />
<noscript>
<button type="submit">Continue</button>
</noscript>
</form>
</body>
</html>
`;
return new NextResponse(html, {
headers: { "Content-Type": "text/html" },
});
}