dat 1.5.0

DAT - Distributed Access Token
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

use crate::error::DatError;
use base64::engine::general_purpose;
use base64::Engine;
use std::time::SystemTime;

const BASE64_URL: &general_purpose::GeneralPurpose = &general_purpose::URL_SAFE_NO_PAD;

pub fn encode_base64_url<T: AsRef<[u8]>>(b: T) -> String {
    BASE64_URL.encode(b)
}

pub fn encode_base64_url_out<T: AsRef<[u8]>>(b: T, out: &mut String) {
    BASE64_URL.encode_string(b, out)
}

pub fn decode_base64_url<T: AsRef<[u8]>>(b64: T) -> Result<Vec<u8>, DatError> {
    BASE64_URL.decode(&b64).map_err(|_| DatError::InvalidBase64Format)
}

pub fn now_unix_timestamp() -> u64 {
    // unwrap() 으로 무시 : 시스템이 1970년 이전으로 발생해 음수 발생시 나는 오류로 무시
    SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs()
}

pub fn to_utf8(vec: Vec<u8>) -> Result<String, DatError> {
    String::from_utf8(vec).map_err(|_| DatError::Utf8EncodeError)
}