systemprompt_security/session/
generator.rs

1use chrono::{Duration, Utc};
2use jsonwebtoken::{Algorithm, EncodingKey, Header, encode};
3use systemprompt_identifiers::{SessionId, SessionToken, UserId};
4use systemprompt_models::auth::{
5    JwtAudience, JwtClaims, Permission, RateLimitTier, TokenType, UserType,
6};
7
8use crate::error::{JwtError, JwtResult};
9
10#[derive(Debug)]
11pub struct SessionParams<'a> {
12    pub user_id: &'a UserId,
13    pub session_id: &'a SessionId,
14    pub email: &'a str,
15    pub duration: Duration,
16    pub user_type: UserType,
17    pub permissions: Vec<Permission>,
18    pub roles: Vec<String>,
19    pub department: Option<String>,
20    pub rate_limit_tier: RateLimitTier,
21}
22
23#[derive(Debug)]
24pub struct SessionGenerator {
25    jwt_secret: String,
26    issuer: String,
27}
28
29impl SessionGenerator {
30    pub fn new(jwt_secret: impl Into<String>, issuer: impl Into<String>) -> Self {
31        Self {
32            jwt_secret: jwt_secret.into(),
33            issuer: issuer.into(),
34        }
35    }
36
37    pub fn generate(&self, params: &SessionParams<'_>) -> JwtResult<SessionToken> {
38        let now = Utc::now();
39        let expiry = now + params.duration;
40
41        let claims = JwtClaims {
42            sub: params.user_id.to_string(),
43            iat: now.timestamp(),
44            exp: expiry.timestamp(),
45            iss: self.issuer.clone(),
46            aud: JwtAudience::standard(),
47            jti: uuid::Uuid::new_v4().to_string(),
48            scope: params.permissions.clone(),
49            username: params.email.to_string(),
50            email: params.email.to_string(),
51            user_type: params.user_type,
52            roles: params.roles.clone(),
53            department: params.department.clone(),
54            client_id: None,
55            token_type: TokenType::Bearer,
56            auth_time: now.timestamp(),
57            session_id: Some(params.session_id.to_string()),
58            rate_limit_tier: Some(params.rate_limit_tier),
59        };
60
61        let header = Header::new(Algorithm::HS256);
62        let token = encode(
63            &header,
64            &claims,
65            &EncodingKey::from_secret(self.jwt_secret.as_bytes()),
66        )
67        .map_err(JwtError::from)?;
68
69        Ok(SessionToken::new(token))
70    }
71}
systemprompt_security/session/generator.rs

systemprompt_security/session/
generator.rs
