BA
Better Auth•2w ago
David.fds

Auth Client not sending cookies to Server

I'm using authClient.$fetch in a project to make requests to my server (Elysia + Better Auth). However, I noticed that the server is not able to identify the user, because $fetch is not sending the cookies in the request. I tested adding the cookies manually to the request, and it worked correctly. My question is: shouldn't authClient.$fetch include cookies automatically? If that’s not the expected behavior, what is the advantage of using it instead of the standard fetch? 
// auth-client.js
import { adminClient, organizationClient } from "better-auth/client/plugins";
import { nextCookies } from "better-auth/next-js";
import { createAuthClient } from "better-auth/react";

export const authClient = createAuthClient({
  baseURL: "http://localhost:3005",
  plugins: [
    adminClient(),
    organizationClient(),
    nextCookies(),
  ]
})

// api-fetch.ts
import { cookies } from "next/headers"
import { authClient } from "./auth-client"

export default async function apiFetch(url: string) {
  const cookieStore = await cookies()
  const cookieHeader = Array.from(cookieStore.getAll())
    .map(({ name, value }) => `${name}=${value}`)
    .join("; ");
    
  const resp = authClient.$fetch(url, {
    headers: {
      // manual cookie included
      Cookie: cookieHeader,
    },
  })
  return resp
}
// auth-client.js
import { adminClient, organizationClient } from "better-auth/client/plugins";
import { nextCookies } from "better-auth/next-js";
import { createAuthClient } from "better-auth/react";

export const authClient = createAuthClient({
  baseURL: "http://localhost:3005",
  plugins: [
    adminClient(),
    organizationClient(),
    nextCookies(),
  ]
})

// api-fetch.ts
import { cookies } from "next/headers"
import { authClient } from "./auth-client"

export default async function apiFetch(url: string) {
  const cookieStore = await cookies()
  const cookieHeader = Array.from(cookieStore.getAll())
    .map(({ name, value }) => `${name}=${value}`)
    .join("; ");
    
  const resp = authClient.$fetch(url, {
    headers: {
      // manual cookie included
      Cookie: cookieHeader,
    },
  })
  return resp
}
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