91 lines
2.7 KiB
Rust
91 lines
2.7 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
|
|
// This file is part of Parity.
|
|
|
|
// Parity is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// Parity is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use std::sync::Arc;
|
|
use std::ops::Deref;
|
|
use util::Mutex;
|
|
use transient_hashmap::TransientHashMap;
|
|
|
|
use ethstore::random_string;
|
|
|
|
use v1::helpers::signing_queue::{ConfirmationsQueue};
|
|
|
|
const TOKEN_LIFETIME_SECS: u32 = 3600;
|
|
|
|
/// Manages communication with Signer crate
|
|
pub struct SignerService {
|
|
is_enabled: bool,
|
|
queue: Arc<ConfirmationsQueue>,
|
|
web_proxy_tokens: Mutex<TransientHashMap<String, ()>>,
|
|
generate_new_token: Box<Fn() -> Result<String, String> + Send + Sync + 'static>,
|
|
}
|
|
|
|
impl SignerService {
|
|
/// Creates new Signer Service given function to generate new tokens.
|
|
pub fn new<F>(new_token: F, is_enabled: bool) -> Self
|
|
where F: Fn() -> Result<String, String> + Send + Sync + 'static {
|
|
SignerService {
|
|
queue: Arc::new(ConfirmationsQueue::default()),
|
|
web_proxy_tokens: Mutex::new(TransientHashMap::new(TOKEN_LIFETIME_SECS)),
|
|
generate_new_token: Box::new(new_token),
|
|
is_enabled: is_enabled,
|
|
}
|
|
}
|
|
|
|
/// Checks if the token is valid web proxy access token.
|
|
pub fn is_valid_web_proxy_access_token(&self, token: &String) -> bool {
|
|
self.web_proxy_tokens.lock().contains_key(&token)
|
|
}
|
|
|
|
/// Generates a new web proxy access token.
|
|
pub fn generate_web_proxy_access_token(&self) -> String {
|
|
let token = random_string(16);
|
|
let mut tokens = self.web_proxy_tokens.lock();
|
|
tokens.prune();
|
|
tokens.insert(token.clone(), ());
|
|
token
|
|
}
|
|
|
|
/// Generates new signer authorization token.
|
|
pub fn generate_token(&self) -> Result<String, String> {
|
|
(self.generate_new_token)()
|
|
}
|
|
|
|
/// Returns a reference to `ConfirmationsQueue`
|
|
pub fn queue(&self) -> Arc<ConfirmationsQueue> {
|
|
self.queue.clone()
|
|
}
|
|
|
|
/// Returns true if Signer is enabled.
|
|
pub fn is_enabled(&self) -> bool {
|
|
self.is_enabled
|
|
}
|
|
|
|
#[cfg(test)]
|
|
/// Creates new Signer Service for tests.
|
|
pub fn new_test(is_enabled: bool) -> Self {
|
|
SignerService::new(|| Ok("new_token".into()), is_enabled)
|
|
}
|
|
}
|
|
|
|
impl Deref for SignerService {
|
|
type Target = ConfirmationsQueue;
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.queue
|
|
}
|
|
}
|
|
|