Files
erika/lib/auth.ts
T

88 lines
2.2 KiB
TypeScript

import "server-only";
import { getServerSession } from "next-auth";
import type { Session } from "next-auth";
import { db } from "@/db";
import { authOptions } from "@/lib/auth-options";
import { getGuildMemberRoles } from "@/lib/discord";
export type SessionWithDiscord = Session & {
user?: Session["user"] & {
id?: string;
discordId?: string;
};
};
export type FormAccessConfig = {
id: string;
allowedRoles?: string[] | null;
deniedRoles?: string[] | null;
};
export function getAdminDiscordIds() {
return (process.env.ADMIN_DISCORD_IDS ?? "")
.split(",")
.map((id) => id.trim())
.filter(Boolean);
}
export function getSessionDiscordId(session: Session | null) {
return (session as SessionWithDiscord | null)?.user?.discordId ?? null;
}
export async function getCurrentDiscordId() {
const session = await getServerSession(authOptions);
return getSessionDiscordId(session);
}
export async function requireDiscordId() {
const discordId = await getCurrentDiscordId();
if (!discordId) {
throw new Error("Not authenticated");
}
return discordId;
}
export async function requireAdmin() {
const discordId = await requireDiscordId();
if (!getAdminDiscordIds().includes(discordId)) {
throw new Error("Unauthorized");
}
return discordId;
}
export async function canAccessForm(form: FormAccessConfig, discordId: string | null) {
const allowedRoles = form.allowedRoles ?? [];
const deniedRoles = form.deniedRoles ?? [];
if (allowedRoles.length === 0 && deniedRoles.length === 0) {
return true;
}
if (!discordId) {
return false;
}
const userRoles = await getGuildMemberRoles(discordId);
const isAllowed =
allowedRoles.length === 0 || userRoles.some((role) => allowedRoles.includes(role));
const isDenied = deniedRoles.some((role) => userRoles.includes(role));
return isAllowed && !isDenied;
}
export async function requireFormAccess(formId: string, discordId: string) {
const form = await db.query.forms.findFirst({
where: (forms, { eq }) => eq(forms.id, formId),
});
if (!form) {
throw new Error("Form not found");
}
if (!(await canAccessForm(form, discordId))) {
throw new Error("Unauthorized");
}
return form;
}