Function refresh

packages/arctic/src/auth/codex.ts:327–353

(refreshToken: string)

  }

  export async function refresh(refreshToken: string): Promise<TokenResponse> {
    const url = `${Config.issuerBaseUrl}/oauth/token`

    const response = await fetch(url, {
      method: "POST",
      headers: {
        "Content-Type": "application/x-www-form-urlencoded",
        "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
      },
      body: new URLSearchParams({
        grant_type: "refresh_token",
        client_id: Config.clientId,
        refresh_token: refreshToken,
      }),
    })

    if (!response.ok) {
      const errorText = await response.text()
      throw new Error(`Failed to refresh token: ${response.status} - ${errorText}`)
    }

    const tokens = (await response.json()) as TokenResponse
    if (typeof tokens.expires_in !== "number") {
      tokens.expires_in = 3600
    }
    return tokens
  }

  export async function get<T>(path: string): Promise<T> {
    const auth = await Auth.get("codex")