first commit

lib/supabase/middleware.ts

@@ -0,0 +1,58 @@
+
+import { createServerClient } from '@supabase/ssr'
+import { NextResponse, type NextRequest } from 'next/server'
+
+export async function updateSession(request: NextRequest) {
+    let supabaseResponse = NextResponse.next({
+        request,
+    })
+
+    const supabase = createServerClient(
+        process.env.NEXT_PUBLIC_SUPABASE_URL!,
+        process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
+        {
+            cookies: {
+                getAll() {
+                    return request.cookies.getAll()
+                },
+                setAll(cookiesToSet) {
+                    cookiesToSet.forEach(({ name, value, options }) =>
+                        request.cookies.set(name, value)
+                    )
+                    supabaseResponse = NextResponse.next({
+                        request,
+                    })
+                    cookiesToSet.forEach(({ name, value, options }) =>
+                        supabaseResponse.cookies.set(name, value, options)
+                    )
+                },
+            },
+        }
+    )
+
+    const {
+        data: { user },
+    } = await supabase.auth.getUser()
+
+    if (request.nextUrl.pathname.startsWith('/admin')) {
+        if (!user) {
+            const url = request.nextUrl.clone()
+            url.pathname = '/login'
+            return NextResponse.redirect(url)
+        }
+
+        if (user.app_metadata?.role !== 'admin') {
+            const url = request.nextUrl.clone()
+            url.pathname = '/'
+            return NextResponse.redirect(url)
+        }
+    }
+
+    if (request.nextUrl.pathname.startsWith('/login') && user) {
+        const url = request.nextUrl.clone()
+        url.pathname = '/admin'
+        return NextResponse.redirect(url)
+    }
+
+    return supabaseResponse
+}