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use diesel::{result::Error, PgConnection};
use jsonwebtoken::{decode, encode, DecodingKey, EncodingKey, Header, TokenData, Validation};
use lemmy_db::{user::User_, Crud};
use lemmy_utils::settings::Settings;
use serde::{Deserialize, Serialize};
type Jwt = String;
#[derive(Debug, Serialize, Deserialize)]
pub struct Claims {
pub id: i32,
pub iss: String,
}
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(user: User_, hostname: String) -> Jwt {
let my_claims = Claims {
id: user.id,
iss: hostname,
};
encode(
&Header::default(),
&my_claims,
&EncodingKey::from_secret(Settings::get().jwt_secret.as_ref()),
)
.unwrap()
}
pub fn find_by_jwt(conn: &PgConnection, jwt: &str) -> Result<User_, Error> {
let claims: Claims = Claims::decode(&jwt).expect("Invalid token").claims;
User_::read(&conn, claims.id)
}
}