plugeth/node/rpcstack_test.go

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// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package node
import (
"bytes"
"net/http"
"testing"
"github.com/ethereum/go-ethereum/internal/testlog"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rpc"
"github.com/gorilla/websocket"
"github.com/stretchr/testify/assert"
)
// TestCorsHandler makes sure CORS are properly handled on the http server.
func TestCorsHandler(t *testing.T) {
srv := createAndStartServer(t, httpConfig{CorsAllowedOrigins: []string{"test", "test.com"}}, false, wsConfig{})
defer srv.stop()
resp := testRequest(t, "origin", "test.com", "", srv)
assert.Equal(t, "test.com", resp.Header.Get("Access-Control-Allow-Origin"))
resp2 := testRequest(t, "origin", "bad", "", srv)
assert.Equal(t, "", resp2.Header.Get("Access-Control-Allow-Origin"))
}
// TestVhosts makes sure vhosts are properly handled on the http server.
func TestVhosts(t *testing.T) {
srv := createAndStartServer(t, httpConfig{Vhosts: []string{"test"}}, false, wsConfig{})
defer srv.stop()
resp := testRequest(t, "", "", "test", srv)
assert.Equal(t, resp.StatusCode, http.StatusOK)
resp2 := testRequest(t, "", "", "bad", srv)
assert.Equal(t, resp2.StatusCode, http.StatusForbidden)
}
// TestWebsocketOrigins makes sure the websocket origins are properly handled on the websocket server.
func TestWebsocketOrigins(t *testing.T) {
srv := createAndStartServer(t, httpConfig{}, true, wsConfig{Origins: []string{"test"}})
defer srv.stop()
dialer := websocket.DefaultDialer
_, _, err := dialer.Dial("ws://"+srv.listenAddr(), http.Header{
"Content-type": []string{"application/json"},
"Sec-WebSocket-Version": []string{"13"},
"Origin": []string{"test"},
})
assert.NoError(t, err)
_, _, err = dialer.Dial("ws://"+srv.listenAddr(), http.Header{
"Content-type": []string{"application/json"},
"Sec-WebSocket-Version": []string{"13"},
"Origin": []string{"bad"},
})
assert.Error(t, err)
}
func createAndStartServer(t *testing.T, conf httpConfig, ws bool, wsConf wsConfig) *httpServer {
t.Helper()
srv := newHTTPServer(testlog.Logger(t, log.LvlDebug), rpc.DefaultHTTPTimeouts)
assert.NoError(t, srv.enableRPC(nil, conf))
if ws {
assert.NoError(t, srv.enableWS(nil, wsConf))
}
assert.NoError(t, srv.setListenAddr("localhost", 0))
assert.NoError(t, srv.start())
return srv
}
func testRequest(t *testing.T, key, value, host string, srv *httpServer) *http.Response {
t.Helper()
body := bytes.NewReader([]byte(`{"jsonrpc":"2.0","id":1,method":"rpc_modules"}`))
req, _ := http.NewRequest("POST", "http://"+srv.listenAddr(), body)
req.Header.Set("content-type", "application/json")
if key != "" && value != "" {
req.Header.Set(key, value)
}
if host != "" {
req.Host = host
}
client := http.DefaultClient
resp, err := client.Do(req)
if err != nil {
t.Fatal(err)
}
return resp
}