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216 lines
7.2 KiB
216 lines
7.2 KiB
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package node
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import (
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"bytes"
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"net/http"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/internal/testlog"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/gorilla/websocket"
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"github.com/stretchr/testify/assert"
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)
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// TestCorsHandler makes sure CORS are properly handled on the http server.
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func TestCorsHandler(t *testing.T) {
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srv := createAndStartServer(t, httpConfig{CorsAllowedOrigins: []string{"test", "test.com"}}, false, wsConfig{})
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defer srv.stop()
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resp := testRequest(t, "origin", "test.com", "", srv)
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assert.Equal(t, "test.com", resp.Header.Get("Access-Control-Allow-Origin"))
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resp2 := testRequest(t, "origin", "bad", "", srv)
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assert.Equal(t, "", resp2.Header.Get("Access-Control-Allow-Origin"))
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}
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// TestVhosts makes sure vhosts are properly handled on the http server.
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func TestVhosts(t *testing.T) {
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srv := createAndStartServer(t, httpConfig{Vhosts: []string{"test"}}, false, wsConfig{})
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defer srv.stop()
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resp := testRequest(t, "", "", "test", srv)
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assert.Equal(t, resp.StatusCode, http.StatusOK)
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resp2 := testRequest(t, "", "", "bad", srv)
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assert.Equal(t, resp2.StatusCode, http.StatusForbidden)
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}
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type originTest struct {
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spec string
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expOk []string
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expFail []string
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}
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// splitAndTrim splits input separated by a comma
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// and trims excessive white space from the substrings.
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// Copied over from flags.go
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func splitAndTrim(input string) (ret []string) {
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l := strings.Split(input, ",")
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for _, r := range l {
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r = strings.TrimSpace(r)
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if len(r) > 0 {
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ret = append(ret, r)
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}
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}
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return ret
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}
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// TestWebsocketOrigins makes sure the websocket origins are properly handled on the websocket server.
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func TestWebsocketOrigins(t *testing.T) {
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tests := []originTest{
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{
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spec: "*", // allow all
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expOk: []string{"", "http://test", "https://test", "http://test:8540", "https://test:8540",
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"http://test.com", "https://foo.test", "http://testa", "http://atestb:8540", "https://atestb:8540"},
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},
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{
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spec: "test",
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expOk: []string{"http://test", "https://test", "http://test:8540", "https://test:8540"},
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expFail: []string{"http://test.com", "https://foo.test", "http://testa", "http://atestb:8540", "https://atestb:8540"},
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},
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// scheme tests
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{
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spec: "https://test",
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expOk: []string{"https://test", "https://test:9999"},
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expFail: []string{
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"test", // no scheme, required by spec
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"http://test", // wrong scheme
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"http://test.foo", "https://a.test.x", // subdomain variatoins
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"http://testx:8540", "https://xtest:8540"},
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},
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// ip tests
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{
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spec: "https://12.34.56.78",
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expOk: []string{"https://12.34.56.78", "https://12.34.56.78:8540"},
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expFail: []string{
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"http://12.34.56.78", // wrong scheme
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"http://12.34.56.78:443", // wrong scheme
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"http://1.12.34.56.78", // wrong 'domain name'
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"http://12.34.56.78.a", // wrong 'domain name'
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"https://87.65.43.21", "http://87.65.43.21:8540", "https://87.65.43.21:8540"},
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},
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// port tests
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{
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spec: "test:8540",
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expOk: []string{"http://test:8540", "https://test:8540"},
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expFail: []string{
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"http://test", "https://test", // spec says port required
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"http://test:8541", "https://test:8541", // wrong port
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"http://bad", "https://bad", "http://bad:8540", "https://bad:8540"},
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},
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// scheme and port
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{
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spec: "https://test:8540",
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expOk: []string{"https://test:8540"},
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expFail: []string{
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"https://test", // missing port
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"http://test", // missing port, + wrong scheme
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"http://test:8540", // wrong scheme
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"http://test:8541", "https://test:8541", // wrong port
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"http://bad", "https://bad", "http://bad:8540", "https://bad:8540"},
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},
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// several allowed origins
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{
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spec: "localhost,http://127.0.0.1",
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expOk: []string{"localhost", "http://localhost", "https://localhost:8443",
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"http://127.0.0.1", "http://127.0.0.1:8080"},
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expFail: []string{
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"https://127.0.0.1", // wrong scheme
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"http://bad", "https://bad", "http://bad:8540", "https://bad:8540"},
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},
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}
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for _, tc := range tests {
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srv := createAndStartServer(t, httpConfig{}, true, wsConfig{Origins: splitAndTrim(tc.spec)})
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for _, origin := range tc.expOk {
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if err := attemptWebsocketConnectionFromOrigin(t, srv, origin); err != nil {
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t.Errorf("spec '%v', origin '%v': expected ok, got %v", tc.spec, origin, err)
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}
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}
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for _, origin := range tc.expFail {
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if err := attemptWebsocketConnectionFromOrigin(t, srv, origin); err == nil {
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t.Errorf("spec '%v', origin '%v': expected not to allow, got ok", tc.spec, origin)
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}
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}
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srv.stop()
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}
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}
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// TestIsWebsocket tests if an incoming websocket upgrade request is handled properly.
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func TestIsWebsocket(t *testing.T) {
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r, _ := http.NewRequest("GET", "/", nil)
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assert.False(t, isWebsocket(r))
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r.Header.Set("upgrade", "websocket")
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assert.False(t, isWebsocket(r))
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r.Header.Set("connection", "upgrade")
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assert.True(t, isWebsocket(r))
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r.Header.Set("connection", "upgrade,keep-alive")
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assert.True(t, isWebsocket(r))
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r.Header.Set("connection", " UPGRADE,keep-alive")
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assert.True(t, isWebsocket(r))
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}
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func createAndStartServer(t *testing.T, conf httpConfig, ws bool, wsConf wsConfig) *httpServer {
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t.Helper()
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srv := newHTTPServer(testlog.Logger(t, log.LvlDebug), rpc.DefaultHTTPTimeouts)
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assert.NoError(t, srv.enableRPC(nil, conf))
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if ws {
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assert.NoError(t, srv.enableWS(nil, wsConf))
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}
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assert.NoError(t, srv.setListenAddr("localhost", 0))
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assert.NoError(t, srv.start())
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return srv
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}
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func attemptWebsocketConnectionFromOrigin(t *testing.T, srv *httpServer, browserOrigin string) error {
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t.Helper()
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dialer := websocket.DefaultDialer
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_, _, err := dialer.Dial("ws://"+srv.listenAddr(), http.Header{
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"Content-type": []string{"application/json"},
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"Sec-WebSocket-Version": []string{"13"},
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"Origin": []string{browserOrigin},
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})
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return err
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}
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func testRequest(t *testing.T, key, value, host string, srv *httpServer) *http.Response {
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t.Helper()
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body := bytes.NewReader([]byte(`{"jsonrpc":"2.0","id":1,method":"rpc_modules"}`))
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req, _ := http.NewRequest("POST", "http://"+srv.listenAddr(), body)
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req.Header.Set("content-type", "application/json")
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if key != "" && value != "" {
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req.Header.Set(key, value)
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}
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if host != "" {
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req.Host = host
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}
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client := http.DefaultClient
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resp, err := client.Do(req)
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if err != nil {
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t.Fatal(err)
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}
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return resp
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}
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