Gabriel Kaszewski
93c65cd155
- Added JWT authentication with token generation and validation. - Introduced user registration functionality with email and password. - Integrated Argon2 for password hashing. - Created SQLite user repository for user data persistence. - Updated application context to include user repository and configuration settings. - Added environment variable support for JWT secret and registration allowance. - Enhanced error handling for unauthorized access and validation errors. - Updated presentation layer to handle login and registration requests.
105 lines
3.3 KiB
Rust
105 lines
3.3 KiB
Rust
use async_trait::async_trait;
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use argon2::{
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Argon2,
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password_hash::{PasswordHasher as _, PasswordVerifier, SaltString},
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};
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use chrono::{Duration, Utc};
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use jsonwebtoken::{DecodingKey, EncodingKey, Header, Validation, decode, encode};
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use rand_core::OsRng;
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use serde::{Deserialize, Serialize};
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use uuid::Uuid;
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use domain::{
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errors::DomainError,
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ports::{AuthService, GeneratedToken, PasswordHasher},
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value_objects::{PasswordHash, UserId},
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};
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pub struct AuthConfig {
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secret: String,
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ttl_seconds: u64,
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}
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impl AuthConfig {
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pub fn from_env() -> anyhow::Result<Self> {
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let secret = std::env::var("JWT_SECRET")
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.map_err(|_| anyhow::anyhow!("JWT_SECRET env var is required"))?;
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if secret.is_empty() {
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anyhow::bail!("JWT_SECRET must not be empty");
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}
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let ttl_seconds = std::env::var("JWT_TTL_SECONDS")
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.ok()
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.and_then(|v| v.parse().ok())
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.unwrap_or(86400u64);
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Ok(Self { secret, ttl_seconds })
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}
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}
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#[derive(Serialize, Deserialize)]
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struct Claims {
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sub: String,
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exp: u64,
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}
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pub struct JwtAuthService {
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config: AuthConfig,
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}
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impl JwtAuthService {
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pub fn new(config: AuthConfig) -> Self {
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Self { config }
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}
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}
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#[async_trait]
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impl AuthService for JwtAuthService {
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async fn generate_token(&self, user_id: &UserId) -> Result<GeneratedToken, DomainError> {
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let expires_at = Utc::now() + Duration::seconds(self.config.ttl_seconds as i64);
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let claims = Claims {
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sub: user_id.value().to_string(),
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exp: expires_at.timestamp() as u64,
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};
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let token = encode(
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&Header::default(),
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&claims,
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&EncodingKey::from_secret(self.config.secret.as_bytes()),
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)
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.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
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Ok(GeneratedToken { token, expires_at })
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}
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async fn validate_token(&self, token: &str) -> Result<UserId, DomainError> {
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let data = decode::<Claims>(
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token,
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&DecodingKey::from_secret(self.config.secret.as_bytes()),
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&Validation::default(),
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)
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.map_err(|_| DomainError::Unauthorized("Invalid or expired token".into()))?;
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let uuid = Uuid::parse_str(&data.claims.sub)
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.map_err(|_| DomainError::Unauthorized("Invalid token subject".into()))?;
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Ok(UserId::from_uuid(uuid))
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}
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}
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pub struct Argon2PasswordHasher;
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#[async_trait]
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impl PasswordHasher for Argon2PasswordHasher {
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async fn hash(&self, plain_password: &str) -> Result<PasswordHash, DomainError> {
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let salt = SaltString::generate(&mut OsRng);
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let hash = Argon2::default()
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.hash_password(plain_password.as_bytes(), &salt)
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.map_err(|e| DomainError::InfrastructureError(e.to_string()))?
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.to_string();
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PasswordHash::new(hash).map_err(|e| DomainError::InfrastructureError(e.to_string()))
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}
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async fn verify(&self, plain_password: &str, hash: &PasswordHash) -> Result<bool, DomainError> {
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let parsed = argon2::password_hash::PasswordHash::new(hash.value())
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.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
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Ok(Argon2::default()
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.verify_password(plain_password.as_bytes(), &parsed)
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.is_ok())
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}
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}
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