jsonwebtoken/src/serialization.rs

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Rust
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use base64;
use serde::de::Deserialize;
use serde::ser::Serialize;
use serde_json;
use errors::{Result};
use header::Header;
/// The return type of a successful call to decode(...)
#[derive(Debug)]
pub struct TokenData<T: Deserialize> {
pub header: Header,
pub claims: T
}
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/// Serializes to JSON and encodes to base64
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pub fn to_jwt_part<T: Serialize>(input: &T) -> Result<String> {
let encoded = serde_json::to_string(input)?;
Ok(base64::encode_config(encoded.as_bytes(), base64::URL_SAFE_NO_PAD))
}
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/// Decodes from base64 and deserializes from JSON
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pub fn from_jwt_part<B: AsRef<str>, T: Deserialize>(encoded: B) -> Result<T> {
let decoded = base64::decode_config(encoded.as_ref(), base64::URL_SAFE_NO_PAD)?;
let s = String::from_utf8(decoded)?;
Ok(serde_json::from_str(&s)?)
}