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import { getSupabase } from "@/web/middleware/supabase"; import { AppRoutes } from "@/web/routes"; import type { Context } from "hono"; export const authCallbackHandler = async (c: Context) => { const supabase = getSupabase(c); const code = c.req.query("code"); const state = c.req.query("state"); const tx = c.req.query("tx"); if (!tx) { console.error("[GET /auth/callback] Missing transaction ID in the callback request."); return c.text("Bad Request: Missing cookie transaction id.", 400); } console.log( `[GET /auth/callback] Code: ${code ? "present" : "missing"}, State: ${state ? "present" : "missing"}`, ); if (!code) { console.error("[GET /auth/callback] No code found in the callback request from Supabase"); return c.text("Authentication Error: Authorization code was missing.", 400); } try { console.log("[GET /auth/callback] Exchanging code for session..."); const result = await supabase.auth.exchangeCodeForSession(code); if (result.error) { console.error( `[GET /auth/callback] Error: ${result.error.message}, Status: ${result.error.status}`, ); return c.text(`Authentication Error: ${result.error.message}`, 400); } console.log("[GET /auth/callback] Code exchange successful."); return c.redirect(`${AppRoutes.AUTHORIZE}?tx=${tx}`, 302); } catch (exchangeError) { console.error(`[GET /auth/callback] Unexpected error: ${exchangeError}`); return c.text("Internal Server Error: Failed to process authentication callback.", 500); } };