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import { redirect } from "@remix-run/node";
import type { Session } from "@remix-run/server-runtime";
import { jwtDecode } from "jwt-decode";
import { Authenticator } from "remix-auth";
import { FormStrategy } from "remix-auth-form";
import { apiPostLogin } from "./api/client";
import { components } from "./api/schema";
import { createUnstructuredCookie } from "./cookie";
import { cookieOptions, sessionStorage } from "./session";
const authenticator = new Authenticator<string>(sessionStorage);
authenticator.use(
new FormStrategy(async ({ form }) => {
const username = String(form.get("username"));
const password = String(form.get("password"));
const registrationToken = String(form.get("registration_token"));
return (
await apiPostLogin(
username,
password,
registrationToken === "" ? null : registrationToken,
)
).token;
}),
"default",
);
export type User = components["schemas"]["User"];
// This cookie is used to directly store the JWT for the API server.
// Remix's createCookie() returns "structured" cookies, which cannot be reused directly by non-Remix servers.
const tokenCookie = createUnstructuredCookie("albatross_token", cookieOptions);
/**
* @throws Error on failure
*/
export async function login(request: Request): Promise<never> {
const jwt = await authenticator.authenticate("default", request, {
throwOnError: true,
});
const session = await sessionStorage.getSession(
request.headers.get("cookie"),
);
session.set(authenticator.sessionKey, jwt);
throw redirect("/dashboard", {
headers: [
["Set-Cookie", await sessionStorage.commitSession(session)],
["Set-Cookie", await tokenCookie.serialize(jwt)],
],
});
}
export async function logout(request: Request | Session): Promise<never> {
try {
return await authenticator.logout(request, { redirectTo: "/" });
} catch (response) {
if (response instanceof Response) {
response.headers.append(
"Set-Cookie",
await tokenCookie.serialize("", { maxAge: 0, expires: new Date(0) }),
);
}
throw response;
}
}
export async function ensureUserLoggedIn(
request: Request | Session,
): Promise<{ user: User; token: string }> {
const token = await authenticator.isAuthenticated(request, {
failureRedirect: "/login",
});
const user = jwtDecode<User>(token);
return { user, token };
}
export async function ensureUserNotLoggedIn(
request: Request | Session,
): Promise<null> {
return await authenticator.isAuthenticated(request, {
successRedirect: "/dashboard",
});
}
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