lemmy/crates/utils/src/claims.rs

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use crate::settings::structs::Settings;
use jsonwebtoken::{decode, encode, DecodingKey, EncodingKey, Header, TokenData, Validation};
use serde::{Deserialize, Serialize};
type Jwt = String;
#[derive(Debug, Serialize, Deserialize)]
pub struct Claims {
/// local_user_id, standard claim by RFC 7519.
pub sub: i32,
pub iss: String,
/// Time when this token was issued as UNIX-timestamp in seconds
pub iat: i64,
}
impl Claims {
pub fn decode(jwt: &str) -> Result<TokenData<Claims>, jsonwebtoken::errors::Error> {
let v = Validation {
validate_exp: false,
..Validation::default()
};
decode::<Claims>(
&jwt,
&DecodingKey::from_secret(Settings::get().jwt_secret().as_ref()),
&v,
)
}
pub fn jwt(local_user_id: i32) -> Result<Jwt, jsonwebtoken::errors::Error> {
let my_claims = Claims {
sub: local_user_id,
iss: Settings::get().hostname(),
iat: chrono::Utc::now().timestamp_millis() / 1000,
};
encode(
&Header::default(),
&my_claims,
&EncodingKey::from_secret(Settings::get().jwt_secret().as_ref()),
)
}
}