use std::collections::HashMap; use std::sync::Arc; use std::path::PathBuf; use anyhow::{anyhow, bail, Result}; use async_trait::async_trait; use crate::config::*; use crate::login::*; use crate::storage; pub struct StaticLoginProvider { user_list: PathBuf, users: HashMap>, users_by_email: HashMap>, } impl StaticLoginProvider { pub fn new(config: LoginStaticConfig) -> Result { let mut lp = Self { user_list: config.user_list.clone(), users: HashMap::new(), users_by_email: HashMap::new(), }; lp .update_user_list() .context( format!( "failed to read {:?}, make sure it exists and it's correctly formatted", config.user_list))?; Ok(lp) } pub fn update_user_list(&mut self) -> Result<()> { let ulist: UserList = read_config(self.user_list.clone())?; self.users = ulist .into_iter() .map(|(k, v)| (k, Arc::new(v))) .collect::>(); self.users_by_email.clear(); for (_, u) in self.users.iter() { for m in u.email_addresses.iter() { if self.users_by_email.contains_key(m) { bail!("Several users have same email address: {}", m); } self.users_by_email.insert(m.clone(), u.clone()); } } Ok(()) } } #[async_trait] impl LoginProvider for StaticLoginProvider { async fn login(&self, username: &str, password: &str) -> Result { tracing::debug!(user=%username, "login"); let user = match self.users.get(username) { None => bail!("User {} does not exist", username), Some(u) => u, }; tracing::debug!(user=%username, "verify password"); if !verify_password(password, &user.password)? { bail!("Wrong password"); } tracing::debug!(user=%username, "fetch keys"); let storage: storage::Builders = match &user.storage { StaticStorage::InMemory => Box::new(storage::in_memory::FullMem {}), StaticStorage::Garage(grgconf) => Box::new(storage::garage::GrgCreds { region: grgconf.aws_region.clone(), k2v_endpoint: grgconf.k2v_endpoint.clone(), s3_endpoint: grgconf.s3_endpoint.clone(), aws_access_key_id: grgconf.aws_access_key_id.clone(), aws_secret_access_key: grgconf.aws_secret_access_key.clone(), bucket: grgconf.bucket.clone(), }), }; let cr = CryptoRoot(user.crypto_root); let keys = cr.crypto_keys(password)?; tracing::debug!(user=%username, "logged"); Ok(Credentials { storage, keys }) } async fn public_login(&self, email: &str) -> Result { let user = match self.users_by_email.get(email) { None => bail!("No user for email address {}", email), Some(u) => u, }; let storage: storage::Builders = match &user.storage { StaticStorage::InMemory => Box::new(storage::in_memory::FullMem {}), StaticStorage::Garage(grgconf) => Box::new(storage::garage::GrgCreds { region: grgconf.aws_region.clone(), k2v_endpoint: grgconf.k2v_endpoint.clone(), s3_endpoint: grgconf.s3_endpoint.clone(), aws_access_key_id: grgconf.aws_access_key_id.clone(), aws_secret_access_key: grgconf.aws_secret_access_key.clone(), bucket: grgconf.bucket.clone(), }), }; let cr = CryptoRoot(user.crypto_root); let public_key = cr.public_key()?; Ok(PublicCredentials { storage, public_key, }) } } pub fn hash_password(password: &str) -> Result { use argon2::{ password_hash::{rand_core::OsRng, PasswordHasher, SaltString}, Argon2, }; let salt = SaltString::generate(&mut OsRng); let argon2 = Argon2::default(); Ok(argon2 .hash_password(password.as_bytes(), &salt) .map_err(|e| anyhow!("Argon2 error: {}", e))? .to_string()) } pub fn verify_password(password: &str, hash: &str) -> Result { use argon2::{ password_hash::{PasswordHash, PasswordVerifier}, Argon2, }; let parsed_hash = PasswordHash::new(hash).map_err(|e| anyhow!("Invalid hashed password: {}", e))?; Ok(Argon2::default() .verify_password(password.as_bytes(), &parsed_hash) .is_ok()) }