openethereum/parity/dapps.rs

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// Copyright 2015, 2016 Ethcore (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::str::FromStr;
use std::net::SocketAddr;
use ethcore::client::Client;
use ethsync::EthSync;
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use ethminer::{Miner, ExternalMiner};
use util::RotatingLogger;
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use util::panics::PanicHandler;
use util::keys::store::AccountService;
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use util::network_settings::NetworkSettings;
use die::*;
#[cfg(feature = "dapps")]
pub use ethcore_dapps::Server as WebappServer;
#[cfg(not(feature = "dapps"))]
pub struct WebappServer;
pub struct Configuration {
pub enabled: bool,
pub interface: String,
pub port: u16,
pub user: Option<String>,
pub pass: Option<String>,
}
pub struct Dependencies {
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pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
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pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
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pub settings: Arc<NetworkSettings>,
}
pub fn new(configuration: Configuration, deps: Dependencies) -> Option<WebappServer> {
if !configuration.enabled {
return None;
}
let interface = match configuration.interface.as_str() {
"all" => "0.0.0.0",
"local" => "127.0.0.1",
x => x,
};
let url = format!("{}:{}", interface, configuration.port);
let addr = SocketAddr::from_str(&url).unwrap_or_else(|_| die!("{}: Invalid Webapps listen host/port given.", url));
let auth = configuration.user.as_ref().map(|username| {
let password = configuration.pass.as_ref().map_or_else(|| {
use rpassword::read_password;
println!("Type password for WebApps server (user: {}): ", username);
let pass = read_password().unwrap();
println!("OK, got it. Starting server...");
pass
}, |pass| pass.to_owned());
(username.to_owned(), password)
});
Some(setup_dapps_server(deps, &addr, auth))
}
#[cfg(not(feature = "dapps"))]
pub fn setup_dapps_server(
_deps: Dependencies,
_url: &SocketAddr,
_auth: Option<(String, String)>,
) -> ! {
die!("Your Parity version has been compiled without WebApps support.")
}
#[cfg(feature = "dapps")]
pub fn setup_dapps_server(
deps: Dependencies,
url: &SocketAddr,
auth: Option<(String, String)>
) -> WebappServer {
use ethcore_rpc::v1::*;
use ethcore_dapps as dapps;
let server = dapps::ServerBuilder::new();
server.add_delegate(Web3Client::new().to_delegate());
server.add_delegate(NetClient::new(&deps.sync).to_delegate());
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server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate());
server.add_delegate(EthcoreClient::new(&deps.client, &deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate());
let start_result = match auth {
None => {
server.start_unsecure_http(url)
},
Some((username, password)) => {
server.start_basic_auth_http(url, &username, &password)
},
};
match start_result {
Err(dapps::ServerError::IoError(err)) => die_with_io_error("WebApps", err),
Err(e) => die!("WebApps: {:?}", e),
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Ok(server) => {
server.set_panic_handler(move || {
deps.panic_handler.notify_all("Panic in WebApp thread.".to_owned());
});
server
},
}
}