Adding webapps router

webapp/src/apps.rs

@@ -0,0 +1,37 @@
+// 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::collections::HashMap;
+use page::{Page, PageHandler};
+
+extern crate parity_wallet;
+
+pub type Pages = HashMap<String, Box<Page>>;
+
+pub fn all_pages() -> Pages {
+	let mut pages = Pages::new();
+	wallet_page(&mut pages);
+	pages
+}
+
+#[cfg(feature="parity-wallet")]
+fn wallet_page(pages: &mut Pages) {
+	pages.insert("wallet".to_owned(), Box::new(PageHandler { app: parity_wallet::App::default() }));
+}
+
+#[cfg(not(feature="parity-wallet"))]
+fn wallet_page(_pages: &mut Pages) {}
+

webapp/src/lib.rs

@@ -26,16 +26,17 @@ extern crate jsonrpc_core;
 extern crate jsonrpc_http_server;
 extern crate ethcore_rpc as rpc;
 extern crate ethcore_util as util;
+extern crate parity_webapp;
 
-use rpc::v1::*;
 use std::sync::Arc;
-use std::thread;
-
 use util::panics::PanicHandler;
-use iron::request::Url;
 use self::jsonrpc_core::{IoHandler, IoDelegate};
 use jsonrpc_http_server::ServerHandler;
 
+mod apps;
+mod page;
+mod router;
+
 /// Http server.
 pub struct WebappServer {
 	handler: Arc<IoHandler>,
@@ -44,117 +45,32 @@ pub struct WebappServer {
 impl WebappServer {
 	/// Construct new http server object
 	pub fn new() -> Self {
-		let server = WebappServer {
+		WebappServer {
 			handler: Arc::new(IoHandler::new()),
-		};
-		// TODO add more
-		server.add_delegate(Web3Client::new().to_delegate());
-
-		server
+		}
 	}
 
 	/// Add io delegate.
-	fn add_delegate<D>(&self, delegate: IoDelegate<D>) where D: Send + Sync + 'static {
+	pub fn add_delegate<D>(&self, delegate: IoDelegate<D>) where D: Send + Sync + 'static {
 		self.handler.add_delegate(delegate);
 	}
 
-	/// Start server asynchronously in new thread and returns panic handler.
+	/// Start server asynchronously and returns panic handler.
 	pub fn start_http(&self, addr: &str, threads: usize) -> Arc<PanicHandler> {
 		let addr = addr.to_owned();
 		let panic_handler = PanicHandler::new_in_arc();
-		let ph = panic_handler.clone();
 		let handler = self.handler.clone();
 
-		thread::Builder::new().name("jsonrpc_http".to_string()).spawn(move || {
-			let cors_domain = jsonrpc_http_server::AccessControlAllowOrigin::Null;
-			let rpc = ServerHandler::new(handler, cors_domain);
-			let router = Router::new(rpc);
+		let cors_domain = jsonrpc_http_server::AccessControlAllowOrigin::Null;
+		let rpc = ServerHandler::new(handler, cors_domain);
+		let router = router::Router::new(rpc, apps::all_pages());
 
-			ph.catch_panic(move || {
-				hyper::Server::http(addr.as_ref() as &str).unwrap()
-					.handle_threads(router, threads)
-					.unwrap();
-			}).unwrap()
-		}).expect("Error while creating jsonrpc http thread");
+		panic_handler.catch_panic(move || {
+			hyper::Server::http(addr.as_ref() as &str).unwrap()
+				.handle_threads(router, threads)
+				.unwrap();
+		}).unwrap();
 
 		panic_handler
 	}
 }
-
-
-struct Router {
-	rpc: ServerHandler,
-	// admin: Page<AdminApp>,
-	// wallet: Page<WalletApp>,
-	// mist: Page<MistApp>,
-}
-
-impl Router {
-	pub fn new(rpc: ServerHandler) -> Self {
-		Router {
-			rpc: rpc,
-			// admin: Page { app: AdminApp::default() },
-			// wallet: Page { app: WalletApp::default() },
-			// mist: Page { app: MistApp::default() },
-		}
-	}
-
-	fn extract_url(req: &hyper::server::Request) -> Option<Url> {
-		match req.uri {
-			hyper::uri::RequestUri::AbsoluteUri(ref url) => {
-				match Url::from_generic_url(url.clone()) {
-					Ok(url) => Some(url),
-					_ => None,
-				}
-			},
-			hyper::uri::RequestUri::AbsolutePath(ref path) => {
-				// Attempt to prepend the Host header (mandatory in HTTP/1.1)
-				let url_string = match req.headers.get::<hyper::header::Host>() {
-					Some(ref host) => {
-						format!("http://{}:{}{}", host.hostname, host.port.unwrap_or(80), path)
-					},
-					None => return None
-				};
-
-				match Url::parse(&url_string) {
-					Ok(url) => Some(url),
-					_ => None,
-				}
-			}
-			_ => None,
-		}
-	}
-
-	fn extract_request_path<'a, 'b>(mut req: hyper::server::Request<'a, 'b>) -> (Option<String>, hyper::server::Request<'a, 'b>) {
-		let url = Router::extract_url(&req);
-		match url {
-			Some(url) => {
-				let part = url.path[0].clone();
-				let url = url.path[1..].join("/");
-				req.uri = hyper::uri::RequestUri::AbsolutePath(url);
-				(Some(part), req)
-			},
-			None => {
-				(None, req)
-			}
-		}
-	}
-}
-
-impl hyper::server::Handler for Router {
-	fn handle<'b, 'a>(&'a self, req: hyper::server::Request<'a, 'b>, res: hyper::server::Response<'a>) {
-		let (path, req) = Router::extract_request_path(req);
-		match path {
-			// Some(ref url) if url == "admin" => {
-			// 	self.admin.handle(req, res);
-			// },
-			// Some(ref url) if url == "wallet" => {
-			// 	self.wallet.handle(req, res);
-			// },
-			// Some(ref url) if url == "mist" => {
-			// 	self.mist.handle(req, res);
-			// },
-			_ => self.rpc.handle(req, res),
-		}
-	}
-}

webapp/src/page/mod.rs

@@ -0,0 +1,67 @@
+// 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::io::Write;
+use hyper::uri::RequestUri;
+use hyper::server;
+use hyper::header;
+use hyper::status::StatusCode;
+use parity_webapp::WebApp;
+
+pub trait Page : Send + Sync {
+	fn serve_file(&self, mut path: &str, mut res: server::Response);
+}
+
+pub struct PageHandler<T : WebApp> {
+	pub app: T
+}
+
+impl<T: WebApp> Page for PageHandler<T> {
+	fn serve_file(&self, mut path: &str, mut res: server::Response) {
+		// Support index file
+		if path == "" {
+			path = "index.html"
+		}
+		let file = self.app.file(path);
+		if let Some(f) = file {
+			*res.status_mut() = StatusCode::Ok;
+			res.headers_mut().set(header::ContentType(f.content_type.parse().unwrap()));
+
+			let _ = match res.start() {
+				Ok(mut raw_res) => {
+					for chunk in f.content.chunks(1024 * 20) {
+						let _ = raw_res.write(chunk);
+					}
+					raw_res.end()
+				},
+				Err(_) => {
+					println!("Error while writing response.");
+					Ok(())
+				}
+			};
+		}
+	}
+}
+
+impl server::Handler for Page {
+	fn handle(&self, req: server::Request, mut res: server::Response) {
+		*res.status_mut() = StatusCode::NotFound;
+
+		if let RequestUri::AbsolutePath(ref path) = req.uri {
+			self.serve_file(path, res);
+		}
+	}
+}

webapp/src/router/mod.rs

@@ -0,0 +1,89 @@
+// 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/>.
+
+//! Router implementation
+
+use hyper;
+use apps::Pages;
+use iron::request::Url;
+use jsonrpc_http_server::ServerHandler;
+
+pub struct Router {
+	rpc: ServerHandler,
+	pages: Pages,
+}
+
+impl hyper::server::Handler for Router {
+	fn handle<'b, 'a>(&'a self, req: hyper::server::Request<'a, 'b>, res: hyper::server::Response<'a>) {
+		let (path, req) = Router::extract_request_path(req);
+		match path {
+			Some(ref url) if self.pages.contains_key(url) => {
+				self.pages.get(url).unwrap().handle(req, res);
+			}
+			_ => self.rpc.handle(req, res),
+		}
+	}
+}
+
+impl Router {
+	pub fn new(rpc: ServerHandler, pages: Pages) -> Self {
+		Router {
+			rpc: rpc,
+			pages: pages,
+		}
+	}
+
+	fn extract_url(req: &hyper::server::Request) -> Option<Url> {
+		match req.uri {
+			hyper::uri::RequestUri::AbsoluteUri(ref url) => {
+				match Url::from_generic_url(url.clone()) {
+					Ok(url) => Some(url),
+					_ => None,
+				}
+			},
+			hyper::uri::RequestUri::AbsolutePath(ref path) => {
+				// Attempt to prepend the Host header (mandatory in HTTP/1.1)
+				let url_string = match req.headers.get::<hyper::header::Host>() {
+					Some(ref host) => {
+						format!("http://{}:{}{}", host.hostname, host.port.unwrap_or(80), path)
+					},
+					None => return None
+				};
+
+				match Url::parse(&url_string) {
+					Ok(url) => Some(url),
+					_ => None,
+				}
+			}
+			_ => None,
+		}
+	}
+
+	fn extract_request_path<'a, 'b>(mut req: hyper::server::Request<'a, 'b>) -> (Option<String>, hyper::server::Request<'a, 'b>) {
+		let url = Router::extract_url(&req);
+		match url {
+			Some(url) => {
+				let part = url.path[0].clone();
+				let url = url.path[1..].join("/");
+				req.uri = hyper::uri::RequestUri::AbsolutePath(url);
+				(Some(part), req)
+			},
+			None => {
+				(None, req)
+			}
+		}
+	}
+}