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//! A keystore is a specific implementation of a metadata store
//!
//! At it's core it provides three simple functions
//!
//! - Adding keys for a user
//! - Removing keys
//! - Retrieving keys
//!
//! **This module is meant to be used by lockchain-library implementations**
#![deprecated(since="0.10.0", note="Use the `userstore::UserStore` structure instead")]
use traits::{AutoEncoder, Base64AutoEncoder};
use {crypto::Key, meta::MetaDomain};
use std::collections::HashMap;
/// A utility wrapper around a Username -> Key collection
#[derive(Serialize, Deserialize)]
pub struct KeyStore {
keys: HashMap<String, Key>,
}
impl KeyStore {
pub fn add_key(&mut self, user: &str, key: Key) {
self.keys.insert(user.into(), key);
}
pub fn revoke_key(&mut self, user: &str) {
self.keys.remove(user);
}
}
impl AutoEncoder for KeyStore {}
impl From<MetaDomain> for KeyStore {
fn from(d: MetaDomain) -> Self {
Self {
keys: d
.all()
.iter()
.map(|(k, v)| {
(
k.clone(),
match v {
::Payload::Text(s) => Key::decode(&String::from_base64(s)).unwrap(),
_ => unreachable!(),
},
)
})
.collect(),
}
}
}
impl From<KeyStore> for MetaDomain {
fn from(ks: KeyStore) -> Self {
MetaDomain::new("keystore").fill(
ks.keys
.iter()
.map(|(name, key)| {
(
name.clone(),
::Payload::Text(key.encode().unwrap().to_base64()),
)
})
.collect(),
)
}
}
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