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import { createServerClient, parseCookieHeader } from "@supabase/ssr"; import type { SupabaseClient } from "@supabase/supabase-js"; import type { Context, MiddlewareHandler } from "hono"; import { env } from "hono/adapter"; import { setCookie } from "hono/cookie"; declare module "hono" { interface ContextVariableMap { supabase: SupabaseClient; } } export const getSupabase = (c: Context) => { return c.get("supabase"); }; type SupabaseEnv = { SUPABASE_URL: string; SUPABASE_ANON_KEY: string; }; // Define Hono's CookieOptions type alias for clarity if needed (optional) type HonoCookieOptions = Parameters<typeof setCookie>[3]; export const supabaseMiddleware = (): MiddlewareHandler => { return async (c, next) => { console.log(`[Middleware] Running for path: ${c.req.path}`); // Extract necessary env vars for simplicity const supabaseEnv = env<SupabaseEnv>(c); const supabaseUrl = supabaseEnv.SUPABASE_URL; const supabaseAnonKey = supabaseEnv.SUPABASE_ANON_KEY; console.debug("Connected to Supabase at:", supabaseUrl); // Check each variable separately if (!supabaseUrl) { console.error("[Middleware] SUPABASE_URL is not set!"); throw new Error("SUPABASE_URL environment variable is not set!"); } if (!supabaseAnonKey) { console.error("[Middleware] SUPABASE_ANON_KEY is not set!"); throw new Error("SUPABASE_ANON_KEY environment variable is not set!"); } // Create server client const supabase = createServerClient(supabaseUrl, supabaseAnonKey, { cookies: { getAll() { console.log("[Middleware] getAll cookies invoked."); // return parseCookieHeader(c.req.header('Cookie') ?? '') const cookies = parseCookieHeader(c.req.header("Cookie") ?? ""); // Ensure each cookie value is a string (not undefined) return cookies.map(({ name, value }) => ({ name, value: value ?? "", // Convert undefined to empty string })); }, setAll(cookiesToSet) { console.log(`[Middleware] setAll cookies invoked with ${cookiesToSet.length} cookies.`); try { for (const { name, value, options } of cookiesToSet) { console.log(`[Middleware] Setting cookie: ${name}`); // Ensure options match Hono's expected type (it should, as both derive from cookie.SerializeOptions) // Pass the destructured name, value, and options to setCookie setCookie(c, name, value, options as HonoCookieOptions); } } catch (error) { console.error("[Middleware] Error setting cookies:", error); } }, }, }); // Set client instance to the context's 'supabase' we defined earlier c.set("supabase", supabase); console.log("[Middleware] Supabase client created and set in context."); // Handle the next request await next(); console.log(`[Middleware] Finished handling path: ${c.req.path}`); }; };