openethereum/parity/signer.rs
2020-09-22 14:53:52 +02:00

101 lines
2.9 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum 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.
// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
use std::{
io,
path::{Path, PathBuf},
};
use ansi_term::Colour::White;
use ethcore_logger::Config as LogConfig;
use parity_rpc;
use path::restrict_permissions_owner;
use rpc;
use rpc_apis;
pub const CODES_FILENAME: &'static str = "authcodes";
pub struct NewToken {
pub token: String,
pub message: String,
}
pub fn new_service(
ws_conf: &rpc::WsConfiguration,
logger_config: &LogConfig,
) -> rpc_apis::SignerService {
let logger_config_color = logger_config.color;
let signer_path = ws_conf.signer_path.clone();
let signer_enabled = ws_conf.support_token_api;
rpc_apis::SignerService::new(
move || {
generate_new_token(&signer_path, logger_config_color).map_err(|e| format!("{:?}", e))
},
signer_enabled,
)
}
pub fn codes_path(path: &Path) -> PathBuf {
let mut p = path.to_owned();
p.push(CODES_FILENAME);
let _ = restrict_permissions_owner(&p, true, false);
p
}
pub fn execute(ws_conf: rpc::WsConfiguration, logger_config: LogConfig) -> Result<String, String> {
Ok(generate_token_and_url(&ws_conf, &logger_config)?.message)
}
pub fn generate_token_and_url(
ws_conf: &rpc::WsConfiguration,
logger_config: &LogConfig,
) -> Result<NewToken, String> {
let code = generate_new_token(&ws_conf.signer_path, logger_config.color)
.map_err(|err| format!("Error generating token: {:?}", err))?;
let colored = |s: String| match logger_config.color {
true => format!("{}", White.bold().paint(s)),
false => s,
};
Ok(NewToken {
token: code.clone(),
message: format!(
r#"
Generated token:
{}
"#,
colored(code)
),
})
}
fn generate_new_token(path: &Path, logger_config_color: bool) -> io::Result<String> {
let path = codes_path(path);
let mut codes = parity_rpc::AuthCodes::from_file(&path)?;
codes.clear_garbage();
let code = codes.generate_new()?;
codes.to_file(&path)?;
trace!(
"New key code created: {}",
match logger_config_color {
true => format!("{}", White.bold().paint(&code[..])),
false => format!("{}", &code[..]),
}
);
Ok(code)
}