remixed v0

app/features/auth/actions/forgot-password.ts

@@ -0,0 +1,63 @@
+import { type ActionFunction, json } from "@remix-run/node";
+import { type User, TokenType } from "@prisma/client";
+
+import db from "~/utils/db.server";
+import { type FormError, validate } from "~/utils/validation.server";
+import { sendForgotPasswordEmail } from "~/mailers/forgot-password-mailer.server";
+import { generateToken, hashToken } from "~/utils/token.server";
+import { ForgotPassword } from "../validations";
+
+const RESET_PASSWORD_TOKEN_EXPIRATION_IN_HOURS = 24;
+
+type ForgotPasswordFailureActionData = { errors: FormError<typeof ForgotPassword>; submitted?: never };
+type ForgotPasswordSuccessfulActionData = { errors?: never; submitted: true };
+export type ForgotPasswordActionData = ForgotPasswordFailureActionData | ForgotPasswordSuccessfulActionData;
+
+const action: ActionFunction = async ({ request }) => {
+	const formData = Object.fromEntries(await request.formData());
+	const validation = validate(ForgotPassword, formData);
+	if (validation.errors) {
+		return json<ForgotPasswordFailureActionData>({ errors: validation.errors });
+	}
+
+	const { email } = validation.data;
+	const user = await db.user.findUnique({ where: { email: email.toLowerCase() } });
+
+	// always wait the same amount of time so attackers can't tell the difference whether a user is found
+	await Promise.all([updatePassword(user), new Promise((resolve) => setTimeout(resolve, 750))]);
+
+	// return the same result whether a password reset email was sent or not
+	return json<ForgotPasswordSuccessfulActionData>({ submitted: true });
+};
+
+export default action;
+
+async function updatePassword(user: User | null) {
+	const membership = await db.membership.findFirst({ where: { userId: user?.id } });
+	if (!user || !membership) {
+		return;
+	}
+
+	const token = generateToken();
+	const hashedToken = hashToken(token);
+	const expiresAt = new Date();
+	expiresAt.setHours(expiresAt.getHours() + RESET_PASSWORD_TOKEN_EXPIRATION_IN_HOURS);
+
+	await db.token.deleteMany({ where: { type: TokenType.RESET_PASSWORD, userId: user.id } });
+	await db.token.create({
+		data: {
+			user: { connect: { id: user.id } },
+			membership: { connect: { id: membership.id } },
+			type: TokenType.RESET_PASSWORD,
+			expiresAt,
+			hashedToken,
+			sentTo: user.email,
+		},
+	});
+
+	await sendForgotPasswordEmail({
+		to: user.email,
+		token,
+		userName: user.fullName,
+	});
+}