Created
February 23, 2025 17:45
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| import { auth } from "auth/helpers/auth"; | |
| import { createMiddleware } from "hono/factory"; | |
| type Session = typeof auth.$Infer.Session; | |
| export function authMiddleware<Type extends "optional" | "guest" | "admin" | "required">( | |
| type: Type = "required" as Type, | |
| ) { | |
| return createMiddleware<{ | |
| Variables: Type extends "optional" | |
| ? { | |
| user: Session["user"] | undefined; | |
| session: Session["session"] | undefined; | |
| } | |
| : Type extends "guest" | |
| ? { | |
| user: undefined; | |
| session: undefined; | |
| } | |
| : { | |
| user: Session["user"]; | |
| session: Session["session"]; | |
| }; | |
| }>(async (c, next) => { | |
| if (c.req.method === "OPTIONS" || (type === "optional" && !c.req.header("authorization"))) return next(); | |
| const session = await auth.api.getSession({ | |
| headers: c.req.raw.headers as Headers, | |
| }); | |
| if (!session) { | |
| if (["admin", "required"].includes(type)) return c.json({ error: "Unauthorized" }, 401); | |
| c.set("user", undefined); | |
| c.set("session", undefined); | |
| return next(); | |
| } | |
| c.set("user", session.user); | |
| c.set("session", session.session); | |
| if (type === "guest") return c.json({ error: "Unauthorized" }, 401); | |
| if (type === "admin" && session.user.type === "guest") return c.json({ error: "Unauthorized" }, 401); | |
| return next(); | |
| }); | |
| } |
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