2022-05-19 10:10:48 +00:00
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use std::collections::HashMap;
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use anyhow::{anyhow, bail, Result};
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use async_trait::async_trait;
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use rusoto_signature::Region;
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use crate::config::*;
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2022-05-19 12:33:49 +00:00
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use crate::cryptoblob::{Key, SecretKey};
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2022-05-19 10:10:48 +00:00
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use crate::login::*;
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pub struct StaticLoginProvider {
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default_bucket: Option<String>,
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users: HashMap<String, LoginStaticUser>,
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k2v_region: Region,
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2022-05-19 12:33:49 +00:00
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s3_region: Region,
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2022-05-19 10:10:48 +00:00
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}
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impl StaticLoginProvider {
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2022-05-19 12:33:49 +00:00
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pub fn new(config: LoginStaticConfig, k2v_region: Region, s3_region: Region) -> Result<Self> {
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2022-05-19 10:10:48 +00:00
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Ok(Self {
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default_bucket: config.default_bucket,
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users: config.users,
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k2v_region,
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2022-05-19 12:33:49 +00:00
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s3_region,
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2022-05-19 10:10:48 +00:00
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})
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}
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}
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#[async_trait]
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impl LoginProvider for StaticLoginProvider {
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async fn login(&self, username: &str, password: &str) -> Result<Credentials> {
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "login");
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2022-05-19 10:10:48 +00:00
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match self.users.get(username) {
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None => bail!("User {} does not exist", username),
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Some(u) => {
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "verify password");
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2022-05-20 09:45:13 +00:00
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if !verify_password(password, &u.password)? {
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2022-05-19 10:10:48 +00:00
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bail!("Wrong password");
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}
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "fetch bucket");
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2022-05-19 10:10:48 +00:00
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let bucket = u
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.bucket
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.clone()
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.or_else(|| self.default_bucket.clone())
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.ok_or(anyhow!(
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"No bucket configured and no default bucket specieid"
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))?;
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "fetch configuration");
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2022-05-19 12:33:49 +00:00
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let storage = StorageCredentials {
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k2v_region: self.k2v_region.clone(),
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s3_region: self.s3_region.clone(),
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2022-05-19 10:10:48 +00:00
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aws_access_key_id: u.aws_access_key_id.clone(),
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aws_secret_access_key: u.aws_secret_access_key.clone(),
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bucket,
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2022-05-19 12:33:49 +00:00
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};
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "fetch keys");
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2022-05-19 12:33:49 +00:00
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let keys = match (&u.master_key, &u.secret_key) {
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(Some(m), Some(s)) => {
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let master_key = Key::from_slice(&base64::decode(m)?)
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.ok_or(anyhow!("Invalid master key"))?;
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2022-05-19 13:17:58 +00:00
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let secret_key = SecretKey::from_slice(&base64::decode(s)?)
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2022-05-19 12:33:49 +00:00
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.ok_or(anyhow!("Invalid secret key"))?;
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2022-05-19 13:14:36 +00:00
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CryptoKeys::open_without_password(&storage, &master_key, &secret_key).await?
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2022-05-19 12:33:49 +00:00
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}
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(None, None) => {
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2022-05-23 15:31:53 +00:00
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let user_secrets = UserSecrets {
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user_secret: u.user_secret.clone(),
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alternate_user_secrets: u.alternate_user_secrets.clone(),
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};
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CryptoKeys::open(&storage, &user_secrets, password).await?
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2022-05-19 12:33:49 +00:00
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}
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_ => bail!("Either both master and secret key or none of them must be specified for user"),
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};
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2022-06-03 12:00:19 +00:00
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tracing::debug!(user=%username, "logged");
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2022-05-19 13:14:36 +00:00
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Ok(Credentials { storage, keys })
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2022-05-19 10:10:48 +00:00
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}
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}
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}
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}
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2022-05-19 13:14:36 +00:00
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2022-05-20 09:45:13 +00:00
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pub fn hash_password(password: &str) -> Result<String> {
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use argon2::{
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password_hash::{rand_core::OsRng, PasswordHasher, SaltString},
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Argon2,
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};
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let salt = SaltString::generate(&mut OsRng);
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let argon2 = Argon2::default();
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Ok(argon2
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.hash_password(password.as_bytes(), &salt)
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.map_err(|e| anyhow!("Argon2 error: {}", e))?
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.to_string())
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2022-05-19 13:14:36 +00:00
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}
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2022-05-20 09:45:13 +00:00
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pub fn verify_password(password: &str, hash: &str) -> Result<bool> {
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use argon2::{
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2022-05-20 10:49:53 +00:00
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password_hash::{PasswordHash, PasswordVerifier},
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2022-05-20 09:45:13 +00:00
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Argon2,
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};
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let parsed_hash =
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PasswordHash::new(&hash).map_err(|e| anyhow!("Invalid hashed password: {}", e))?;
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Ok(Argon2::default()
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.verify_password(password.as_bytes(), &parsed_hash)
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.is_ok())
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2022-05-19 13:14:36 +00:00
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}
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