UI server refactoring (openethereum#5580)

* Full API in Authenticated WS server.

* Replacing UI server with Hyper.

* Solving CLI, RPCs and tests.

* Porting signer tests.

* Fixing origin recognition for dapps/rpc.

* Fixing tests. Adding parity-rpc-client to test.

* Dapps exposed as RPC method.

* JS code to support new connection scheme.

* Fixing dapps tests.

* Updating allowed origins/hosts to support web3.site.

* Fixing tests, fixing UI.

* Fixing tests.

* Removing invalid tests.

* Fixing merge.

* 404 fallback for UI

* Improve ContentFetcher constructor readability.

* Naming.

* Update .gitlab-ci.yml

fix CI lint error

* Fixing tests and linting issues.

* Fixing new tests.

* UI hosts.

* Submodules fix.

.gitlab-ci.yml

@@ -564,7 +564,7 @@ test-windows:
     - git submodule update --init --recursive
   script:
     - set RUST_BACKTRACE=1
-    - echo cargo test --features json-tests -p rlp -p ethash -p ethcore -p ethcore-bigint -p ethcore-dapps -p parity-rpc -p ethcore-signer -p ethcore-util -p ethcore-network -p ethcore-io -p ethkey -p ethstore -p ethsync -p ethcore-ipc -p ethcore-ipc-tests -p ethcore-ipc-nano -p parity %CARGOFLAGS% --verbose --release
+    - echo cargo test --features json-tests -p rlp -p ethash -p ethcore -p ethcore-bigint -p parity-dapps -p parity-rpc -p ethcore-util -p ethcore-network -p ethcore-io -p ethkey -p ethstore -p ethsync -p ethcore-ipc -p ethcore-ipc-tests -p ethcore-ipc-nano -p parity-rpc-client -p parity %CARGOFLAGS% --verbose --release
   tags:
     - rust-windows
   allow_failure: true

Cargo.toml

@@ -33,7 +33,6 @@ ethcore = { path = "ethcore" }
 ethcore-util = { path = "util" }
 ethcore-io = { path = "util/io" }
 ethcore-devtools = { path = "devtools" }
-ethcore-signer = { path = "signer" }
 ethcore-ipc = { path = "ipc/rpc" }
 ethcore-ipc-nano = { path = "ipc/nano" }
 ethcore-ipc-hypervisor = { path = "ipc/hypervisor" }
@@ -75,17 +74,15 @@ default = ["ui-precompiled"]
 ui = [
 	"dapps",
 	"parity-dapps/ui",
-	"ethcore-signer/ui",
 ]
 ui-precompiled = [
 	"dapps",
-	"ethcore-signer/ui-precompiled",
 	"parity-dapps/ui-precompiled",
 ]
 dapps = ["parity-dapps"]
 ipc = ["ethcore/ipc", "ethsync/ipc"]
 jit = ["ethcore/jit"]
-dev = ["clippy", "ethcore/dev", "ethcore-util/dev", "ethsync/dev", "parity-rpc/dev", "parity-dapps/dev", "ethcore-signer/dev"]
+dev = ["clippy", "ethcore/dev", "ethcore-util/dev", "ethsync/dev", "parity-rpc/dev", "parity-dapps/dev"]
 json-tests = ["ethcore/json-tests"]
 test-heavy = ["ethcore/test-heavy"]
 ethkey-cli = ["ethcore/ethkey-cli"]

dapps/src/api/api.rs

@@ -16,42 +16,27 @@
 
 use std::sync::Arc;
 
-use unicase::UniCase;
 use hyper::{server, net, Decoder, Encoder, Next, Control};
-use hyper::header;
 use hyper::method::Method;
 
-use api::types::{App, ApiError};
+use api::types::ApiError;
 use api::response;
 use apps::fetcher::Fetcher;
 
 use handlers::extract_url;
-use endpoint::{Endpoint, Endpoints, Handler, EndpointPath};
-use jsonrpc_http_server::{self, AccessControlAllowOrigin};
+use endpoint::{Endpoint, Handler, EndpointPath};
 
 #[derive(Clone)]
 pub struct RestApi {
-	// TODO [ToDr] cors_domains should be handled by the server to avoid duplicated logic.
-	// RequestMiddleware should be able to tell that cors headers should be included.
-	cors_domains: Option<Vec<AccessControlAllowOrigin>>,
-	apps: Vec<App>,
 	fetcher: Arc<Fetcher>,
 }
 
 impl RestApi {
-	pub fn new(cors_domains: Vec<AccessControlAllowOrigin>, endpoints: &Endpoints, fetcher: Arc<Fetcher>) -> Box<Endpoint> {
+	pub fn new(fetcher: Arc<Fetcher>) -> Box<Endpoint> {
 		Box::new(RestApi {
-			cors_domains: Some(cors_domains),
-			apps: Self::list_apps(endpoints),
 			fetcher: fetcher,
 		})
 	}
-
-	fn list_apps(endpoints: &Endpoints) -> Vec<App> {
-		endpoints.iter().filter_map(|(ref k, ref e)| {
-			e.info().map(|ref info| App::from_info(k, info))
-		}).collect()
-	}
 }
 
 impl Endpoint for RestApi {
@@ -62,7 +47,6 @@ impl Endpoint for RestApi {
 
 struct RestApiRouter {
 	api: RestApi,
-	cors_header: Option<header::AccessControlAllowOrigin>,
 	path: Option<EndpointPath>,
 	control: Option<Control>,
 	handler: Box<Handler>,
@@ -72,7 +56,6 @@ impl RestApiRouter {
 	fn new(api: RestApi, path: EndpointPath, control: Control) -> Self {
 		RestApiRouter {
 			path: Some(path),
-			cors_header: None,
 			control: Some(control),
 			api: api,
 			handler: response::as_json_error(&ApiError {
@@ -92,35 +75,10 @@ impl RestApiRouter {
 			_ => None
 		}
 	}
-
-	/// Returns basic headers for a response (it may be overwritten by the handler)
-	fn response_headers(cors_header: Option<header::AccessControlAllowOrigin>) -> header::Headers {
-		let mut headers = header::Headers::new();
-
-		if let Some(cors_header) = cors_header {
-			headers.set(header::AccessControlAllowCredentials);
-			headers.set(header::AccessControlAllowMethods(vec![
-				Method::Options,
-				Method::Post,
-				Method::Get,
-			]));
-			headers.set(header::AccessControlAllowHeaders(vec![
-				UniCase("origin".to_owned()),
-				UniCase("content-type".to_owned()),
-				UniCase("accept".to_owned()),
-			]));
-
-			headers.set(cors_header);
-		}
-
-		headers
-	}
 }
 
 impl server::Handler<net::HttpStream> for RestApiRouter {
 	fn on_request(&mut self, request: server::Request<net::HttpStream>) -> Next {
-		self.cors_header = jsonrpc_http_server::cors_header(&request, &self.api.cors_domains).into();
-
 		if let Method::Options = *request.method() {
 			self.handler = response::empty();
 			return Next::write();
@@ -144,7 +102,6 @@ impl server::Handler<net::HttpStream> for RestApiRouter {
 		if let Some(ref hash) = hash { path.app_id = hash.clone().to_owned() }
 
 		let handler = endpoint.and_then(|v| match v {
-			"apps" => Some(response::as_json(&self.api.apps)),
 			"ping" => Some(response::ping()),
 			"content" => self.resolve_content(hash, path, control),
 			_ => None
@@ -163,7 +120,6 @@ impl server::Handler<net::HttpStream> for RestApiRouter {
 	}
 
 	fn on_response(&mut self, res: &mut server::Response) -> Next {
-		*res.headers_mut() = Self::response_headers(self.cors_header.take());
 		self.handler.on_response(res)
 	}
 

dapps/src/api/mod.rs

@@ -21,4 +21,3 @@ mod response;
 mod types;
 
 pub use self::api::RestApi;
-pub use self::types::App;

dapps/src/api/response.rs

@@ -23,12 +23,6 @@ pub fn empty() -> Box<Handler> {
 	Box::new(ContentHandler::ok("".into(), mime!(Text/Plain)))
 }
 
-pub fn as_json<T: Serialize>(val: &T) -> Box<Handler> {
-	let json = serde_json::to_string(val)
-		.expect("serialization to string is infallible; qed");
-	Box::new(ContentHandler::ok(json, mime!(Application/Json)))
-}
-
 pub fn as_json_error<T: Serialize>(val: &T) -> Box<Handler> {
 	let json = serde_json::to_string(val)
 		.expect("serialization to string is infallible; qed");

dapps/src/api/types.rs

@@ -14,46 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use endpoint::EndpointInfo;
-
-#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct App {
-	pub id: String,
-	pub name: String,
-	pub description: String,
-	pub version: String,
-	pub author: String,
-	#[serde(rename="iconUrl")]
-	pub icon_url: String,
-}
-
-impl App {
-	/// Creates `App` instance from `EndpointInfo` and `id`.
-	pub fn from_info(id: &str, info: &EndpointInfo) -> Self {
-		App {
-			id: id.to_owned(),
-			name: info.name.to_owned(),
-			description: info.description.to_owned(),
-			version: info.version.to_owned(),
-			author: info.author.to_owned(),
-			icon_url: info.icon_url.to_owned(),
-		}
-	}
-}
-
-impl Into<EndpointInfo> for App {
-	fn into(self) -> EndpointInfo {
-		EndpointInfo {
-			name: self.name,
-			description: self.description,
-			version: self.version,
-			author: self.author,
-			icon_url: self.icon_url,
-		}
-	}
-}
-
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 #[serde(deny_unknown_fields)]
 pub struct ApiError {

dapps/src/apps/app.rs

@@ -0,0 +1,55 @@
+// Copyright 2015-2017 Parity Technologies (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 endpoint::EndpointInfo;
+
+#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct App {
+	pub id: String,
+	pub name: String,
+	pub description: String,
+	pub version: String,
+	pub author: String,
+	#[serde(rename="iconUrl")]
+	pub icon_url: String,
+}
+
+impl App {
+	/// Creates `App` instance from `EndpointInfo` and `id`.
+	pub fn from_info(id: &str, info: &EndpointInfo) -> Self {
+		App {
+			id: id.to_owned(),
+			name: info.name.to_owned(),
+			description: info.description.to_owned(),
+			version: info.version.to_owned(),
+			author: info.author.to_owned(),
+			icon_url: info.icon_url.to_owned(),
+		}
+	}
+}
+
+impl Into<EndpointInfo> for App {
+	fn into(self) -> EndpointInfo {
+		EndpointInfo {
+			name: self.name,
+			description: self.description,
+			version: self.version,
+			author: self.author,
+			icon_url: self.icon_url,
+		}
+	}
+}