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lib/plover/auth/xoauth2.ex
defmodule Plover.Auth.XOAuth2 do
@moduledoc """
Google XOAUTH2 authentication encoder.
Format: "user=" user "\\x01auth=Bearer " token "\\x01\\x01"
"""
@doc """
Encodes credentials as a Base64-encoded XOAUTH2 string.
The format is `user=<user>^Aauth=Bearer <token>^A^A` where `^A` is `\\x01`.
"""
@spec encode(String.t(), String.t()) :: String.t()
def encode(username, token) do
Base.encode64("user=" <> username <> "\x01auth=Bearer " <> token <> "\x01\x01")
end
end