Renaming dapps repos. Updating dapps (#1142)

* Renaming dapps repos. Updating dapps

* Skipping legacy options for compatibility. Fixing tabs

* Fixing CLI options

dapps/src/router/auth.rs

@@ -0,0 +1,161 @@
+// 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/>.
+
+//! HTTP Authorization implementations
+
+use std::io::Write;
+use std::collections::HashMap;
+use hyper::{header, server, Decoder, Encoder, Next};
+use hyper::net::HttpStream;
+use hyper::status::StatusCode;
+
+/// Authorization result
+pub enum Authorized {
+	/// Authorization was successful.
+	Yes,
+	/// Unsuccessful authorization. Handler for further work is returned.
+	No(Box<server::Handler<HttpStream>>),
+}
+
+/// Authorization interface
+pub trait Authorization : Send + Sync {
+	/// Checks if authorization is valid.
+	fn is_authorized(&self, req: &server::Request)-> Authorized;
+}
+
+/// HTTP Basic Authorization handler
+pub struct HttpBasicAuth {
+	users: HashMap<String, String>,
+}
+
+/// No-authorization implementation (authorization disabled)
+pub struct NoAuth;
+
+impl Authorization for NoAuth {
+	fn is_authorized(&self, _req: &server::Request)-> Authorized {
+		Authorized::Yes
+	}
+}
+
+impl Authorization for HttpBasicAuth {
+	fn is_authorized(&self, req: &server::Request) -> Authorized {
+		let auth = self.check_auth(&req);
+
+		match auth {
+			Access::Denied => {
+				Authorized::No(Box::new(UnauthorizedHandler { write_pos: 0 }))
+			},
+			Access::AuthRequired => {
+				Authorized::No(Box::new(AuthRequiredHandler))
+			},
+			Access::Granted => {
+				Authorized::Yes
+			},
+		}
+	}
+}
+
+#[derive(Debug)]
+enum Access {
+	Granted,
+	Denied,
+	AuthRequired,
+}
+
+impl HttpBasicAuth {
+	/// Creates `HttpBasicAuth` instance with only one user.
+	pub fn single_user(username: &str, password: &str) -> Self {
+		let mut users = HashMap::new();
+		users.insert(username.to_owned(), password.to_owned());
+		HttpBasicAuth {
+			users: users
+		}
+	}
+
+	fn is_authorized(&self, username: &str, password: &str) -> bool {
+		self.users.get(&username.to_owned()).map_or(false, |pass| pass == password)
+	}
+
+	fn check_auth(&self, req: &server::Request) -> Access {
+		match req.headers().get::<header::Authorization<header::Basic>>() {
+			Some(&header::Authorization(
+				header::Basic { ref username, password: Some(ref password) }
+			)) if self.is_authorized(username, password) => Access::Granted,
+			Some(_) => Access::Denied,
+			None => Access::AuthRequired,
+		}
+	}
+}
+
+pub struct UnauthorizedHandler {
+	write_pos: usize,
+}
+
+impl server::Handler<HttpStream> for UnauthorizedHandler {
+	fn on_request(&mut self, _request: server::Request) -> Next {
+		Next::write()
+	}
+
+	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
+		Next::write()
+	}
+
+	fn on_response(&mut self, res: &mut server::Response) -> Next {
+		res.set_status(StatusCode::Unauthorized);
+		Next::write()
+	}
+
+	fn on_response_writable(&mut self, encoder: &mut Encoder<HttpStream>) -> Next {
+		let response = "Unauthorized".as_bytes();
+
+		if self.write_pos == response.len() {
+			return Next::end();
+		}
+
+		match encoder.write(&response[self.write_pos..]) {
+			Ok(bytes) => {
+				self.write_pos += bytes;
+				Next::write()
+			},
+			Err(e) => match e.kind() {
+				::std::io::ErrorKind::WouldBlock => Next::write(),
+				_ => Next::end()
+			},
+		}
+	}
+}
+
+pub struct AuthRequiredHandler;
+
+impl server::Handler<HttpStream> for AuthRequiredHandler {
+	fn on_request(&mut self, _request: server::Request) -> Next {
+		Next::write()
+	}
+
+	fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
+		Next::write()
+	}
+
+	fn on_response(&mut self, res: &mut server::Response) -> Next {
+		res.set_status(StatusCode::Unauthorized);
+		res.headers_mut().set_raw("WWW-Authenticate", vec![b"Basic realm=\"Parity\"".to_vec()]);
+		Next::write()
+	}
+
+	fn on_response_writable(&mut self, _encoder: &mut Encoder<HttpStream>) -> Next {
+		Next::end()
+	}
+}