120 lines
3.4 KiB
Rust
120 lines
3.4 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use std::net::SocketAddr;
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use io::PanicHandler;
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use rpc_apis;
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use helpers::replace_home;
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#[cfg(feature = "dapps")]
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pub use ethcore_dapps::Server as WebappServer;
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#[cfg(not(feature = "dapps"))]
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pub struct WebappServer;
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#[derive(Debug, PartialEq, Clone)]
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pub struct Configuration {
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pub enabled: bool,
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pub interface: String,
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pub port: u16,
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pub user: Option<String>,
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pub pass: Option<String>,
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pub dapps_path: String,
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}
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impl Default for Configuration {
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fn default() -> Self {
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Configuration {
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enabled: true,
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interface: "127.0.0.1".into(),
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port: 8080,
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user: None,
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pass: None,
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dapps_path: replace_home("$HOME/.parity/dapps"),
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}
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}
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}
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pub struct Dependencies {
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pub panic_handler: Arc<PanicHandler>,
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pub apis: Arc<rpc_apis::Dependencies>,
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}
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pub fn new(configuration: Configuration, deps: Dependencies) -> Result<Option<WebappServer>, String> {
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if !configuration.enabled {
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return Ok(None);
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}
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let url = format!("{}:{}", configuration.interface, configuration.port);
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let addr = try!(url.parse().map_err(|_| format!("Invalid Webapps listen host/port given: {}", url)));
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let auth = configuration.user.as_ref().map(|username| {
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let password = configuration.pass.as_ref().map_or_else(|| {
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use rpassword::read_password;
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println!("Type password for WebApps server (user: {}): ", username);
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let pass = read_password().unwrap();
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println!("OK, got it. Starting server...");
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pass
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}, |pass| pass.to_owned());
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(username.to_owned(), password)
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});
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Ok(Some(try!(setup_dapps_server(deps, configuration.dapps_path, &addr, auth))))
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}
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#[cfg(not(feature = "dapps"))]
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pub fn setup_dapps_server(
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_deps: Dependencies,
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_dapps_path: String,
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_url: &SocketAddr,
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_auth: Option<(String, String)>,
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) -> Result<WebappServer, String> {
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Err("Your Parity version has been compiled without WebApps support.".into())
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}
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#[cfg(feature = "dapps")]
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pub fn setup_dapps_server(
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deps: Dependencies,
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dapps_path: String,
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url: &SocketAddr,
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auth: Option<(String, String)>
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) -> Result<WebappServer, String> {
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use ethcore_dapps as dapps;
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let server = dapps::ServerBuilder::new(dapps_path);
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let server = rpc_apis::setup_rpc(server, deps.apis.clone(), rpc_apis::ApiSet::UnsafeContext);
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let start_result = match auth {
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None => {
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server.start_unsecure_http(url)
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},
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Some((username, password)) => {
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server.start_basic_auth_http(url, &username, &password)
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},
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};
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match start_result {
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Err(dapps::ServerError::IoError(err)) => Err(format!("WebApps io error: {}", err)),
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Err(e) => Err(format!("WebApps error: {:?}", e)),
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Ok(server) => {
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server.set_panic_handler(move || {
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deps.panic_handler.notify_all("Panic in WebApp thread.".to_owned());
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});
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Ok(server)
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},
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}
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}
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