use base64::{DecodeError, URL_SAFE}; /// URL-safe Base64 encoding. pub fn encode(input: impl AsRef<[u8]>) -> String { base64::encode_config(input, URL_SAFE) } /// URL-safe Base64 decoding. pub fn decode(input: impl AsRef<[u8]>) -> Result, DecodeError> { base64::decode_config(input, URL_SAFE) }