File size: 2,957 Bytes
88c4c60 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | import { NextResponse } from "next/server";
import { cookies } from "next/headers";
import {
exchangeOidcCode,
fetchOidcDiscovery,
getOidcRuntimeConfig,
getPublicOrigin,
pickOidcDisplayName,
pickOidcEmail,
verifyOidcIdToken,
} from "@/lib/auth/oidc";
import { setDashboardAuthCookie } from "@/lib/auth/dashboardSession";
function clearOidcCookies(cookieStore) {
cookieStore.delete("oidc_state");
cookieStore.delete("oidc_nonce");
cookieStore.delete("oidc_code_verifier");
}
export async function GET(request) {
const url = new URL(request.url);
const error = url.searchParams.get("error");
if (error) {
return NextResponse.redirect(new URL(`/login?error=${encodeURIComponent(error)}`, getPublicOrigin(request)));
}
const code = url.searchParams.get("code");
const state = url.searchParams.get("state");
if (!code || !state) {
return NextResponse.redirect(new URL("/login?error=oidc_missing_code", getPublicOrigin(request)));
}
const cookieStore = await cookies();
const storedState = cookieStore.get("oidc_state")?.value;
const storedNonce = cookieStore.get("oidc_nonce")?.value;
const codeVerifier = cookieStore.get("oidc_code_verifier")?.value;
if (!storedState || !storedNonce || !codeVerifier || storedState !== state) {
clearOidcCookies(cookieStore);
return NextResponse.redirect(new URL("/login?error=oidc_invalid_state", getPublicOrigin(request)));
}
try {
const config = await getOidcRuntimeConfig();
if (!config) {
clearOidcCookies(cookieStore);
return NextResponse.redirect(new URL("/login?error=oidc_not_configured", getPublicOrigin(request)));
}
const discovery = await fetchOidcDiscovery(config.issuerUrl);
const discoveredIssuer = discovery.issuer || config.issuerUrl;
const redirectUri = `${getPublicOrigin(request)}/api/auth/oidc/callback`;
const tokenData = await exchangeOidcCode({
tokenEndpoint: discovery.token_endpoint,
clientId: config.clientId,
clientSecret: config.clientSecret,
code,
redirectUri,
codeVerifier,
});
if (!tokenData.id_token) {
throw new Error("OIDC provider did not return an id_token");
}
const payload = await verifyOidcIdToken({
idToken: tokenData.id_token,
issuer: discoveredIssuer,
audience: config.clientId,
jwksUri: discovery.jwks_uri,
nonce: storedNonce,
});
clearOidcCookies(cookieStore);
await setDashboardAuthCookie(cookieStore, request, {
oidc: true,
oidcSub: payload.sub || null,
oidcEmail: pickOidcEmail(payload) || null,
oidcName: pickOidcDisplayName(payload),
});
return NextResponse.redirect(new URL("/dashboard", getPublicOrigin(request)));
} catch (error) {
clearOidcCookies(cookieStore);
return NextResponse.redirect(new URL(`/login?error=${encodeURIComponent(error.message || "oidc_callback_failed")}`, getPublicOrigin(request)));
}
}
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