616 lines
18 KiB
Go
616 lines
18 KiB
Go
// 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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"fmt"
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"io"
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"net/http"
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"net/http/httptest"
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"net/url"
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"strconv"
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"strings"
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"testing"
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"time"
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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/golang-jwt/jwt/v4"
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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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const testMethod = "rpc_modules"
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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{}, nil)
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defer srv.stop()
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url := "http://" + srv.listenAddr()
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resp := rpcRequest(t, url, testMethod, "origin", "test.com")
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assert.Equal(t, "test.com", resp.Header.Get("Access-Control-Allow-Origin"))
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resp2 := rpcRequest(t, url, testMethod, "origin", "bad")
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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{}, nil)
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defer srv.stop()
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url := "http://" + srv.listenAddr()
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resp := rpcRequest(t, url, testMethod, "host", "test")
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assert.Equal(t, resp.StatusCode, http.StatusOK)
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resp2 := rpcRequest(t, url, testMethod, "host", "bad")
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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 variations
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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)}, nil)
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url := fmt.Sprintf("ws://%v", srv.listenAddr())
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for _, origin := range tc.expOk {
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if err := wsRequest(t, url, "Origin", 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 := wsRequest(t, url, "Origin", 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(http.MethodGet, "/", 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 Test_checkPath(t *testing.T) {
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tests := []struct {
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req *http.Request
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prefix string
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expected bool
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}{
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{
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req: &http.Request{URL: &url.URL{Path: "/test"}},
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prefix: "/test",
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expected: true,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/testing"}},
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prefix: "/test",
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expected: true,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/"}},
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prefix: "/test",
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expected: false,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/fail"}},
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prefix: "/test",
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expected: false,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/"}},
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prefix: "",
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expected: true,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/fail"}},
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prefix: "",
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expected: false,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/"}},
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prefix: "/",
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expected: true,
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},
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{
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req: &http.Request{URL: &url.URL{Path: "/testing"}},
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prefix: "/",
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expected: true,
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},
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}
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for i, tt := range tests {
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t.Run(strconv.Itoa(i), func(t *testing.T) {
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assert.Equal(t, tt.expected, checkPath(tt.req, tt.prefix))
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})
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}
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}
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func createAndStartServer(t *testing.T, conf *httpConfig, ws bool, wsConf *wsConfig, timeouts *rpc.HTTPTimeouts) *httpServer {
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t.Helper()
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if timeouts == nil {
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timeouts = &rpc.DefaultHTTPTimeouts
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}
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srv := newHTTPServer(testlog.Logger(t, log.LvlDebug), *timeouts)
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assert.NoError(t, srv.enableRPC(apis(), *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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// wsRequest attempts to open a WebSocket connection to the given URL.
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func wsRequest(t *testing.T, url string, extraHeaders ...string) error {
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t.Helper()
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//t.Logf("checking WebSocket on %s (origin %q)", url, browserOrigin)
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headers := make(http.Header)
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// Apply extra headers.
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if len(extraHeaders)%2 != 0 {
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panic("odd extraHeaders length")
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}
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for i := 0; i < len(extraHeaders); i += 2 {
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key, value := extraHeaders[i], extraHeaders[i+1]
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headers.Set(key, value)
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}
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conn, _, err := websocket.DefaultDialer.Dial(url, headers)
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if conn != nil {
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conn.Close()
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}
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return err
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}
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// rpcRequest performs a JSON-RPC request to the given URL.
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func rpcRequest(t *testing.T, url, method string, extraHeaders ...string) *http.Response {
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t.Helper()
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body := fmt.Sprintf(`{"jsonrpc":"2.0","id":1,"method":"%s","params":[]}`, method)
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return baseRpcRequest(t, url, body, extraHeaders...)
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}
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func batchRpcRequest(t *testing.T, url string, methods []string, extraHeaders ...string) *http.Response {
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reqs := make([]string, len(methods))
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for i, m := range methods {
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reqs[i] = fmt.Sprintf(`{"jsonrpc":"2.0","id":1,"method":"%s","params":[]}`, m)
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}
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body := fmt.Sprintf(`[%s]`, strings.Join(reqs, ","))
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return baseRpcRequest(t, url, body, extraHeaders...)
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}
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func baseRpcRequest(t *testing.T, url, bodyStr string, extraHeaders ...string) *http.Response {
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t.Helper()
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// Create the request.
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body := bytes.NewReader([]byte(bodyStr))
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req, err := http.NewRequest(http.MethodPost, url, body)
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if err != nil {
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t.Fatal("could not create http request:", err)
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}
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req.Header.Set("content-type", "application/json")
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req.Header.Set("accept-encoding", "identity")
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// Apply extra headers.
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if len(extraHeaders)%2 != 0 {
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panic("odd extraHeaders length")
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}
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for i := 0; i < len(extraHeaders); i += 2 {
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key, value := extraHeaders[i], extraHeaders[i+1]
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if strings.EqualFold(key, "host") {
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req.Host = value
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} else {
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req.Header.Set(key, value)
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}
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}
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// Perform the request.
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t.Logf("checking RPC/HTTP on %s %v", url, extraHeaders)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(func() { resp.Body.Close() })
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return resp
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}
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type testClaim map[string]interface{}
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func (testClaim) Valid() error {
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return nil
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}
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func TestJWT(t *testing.T) {
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var secret = []byte("secret")
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issueToken := func(secret []byte, method jwt.SigningMethod, input map[string]interface{}) string {
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if method == nil {
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method = jwt.SigningMethodHS256
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}
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ss, _ := jwt.NewWithClaims(method, testClaim(input)).SignedString(secret)
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return ss
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}
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cfg := rpcEndpointConfig{jwtSecret: []byte("secret")}
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httpcfg := &httpConfig{rpcEndpointConfig: cfg}
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wscfg := &wsConfig{Origins: []string{"*"}, rpcEndpointConfig: cfg}
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srv := createAndStartServer(t, httpcfg, true, wscfg, nil)
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wsUrl := fmt.Sprintf("ws://%v", srv.listenAddr())
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htUrl := fmt.Sprintf("http://%v", srv.listenAddr())
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expOk := []func() string{
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix() + 4}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix() - 4}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{
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"iat": time.Now().Unix(),
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"exp": time.Now().Unix() + 2,
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}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{
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"iat": time.Now().Unix(),
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"bar": "baz",
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}))
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},
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}
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for i, tokenFn := range expOk {
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token := tokenFn()
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if err := wsRequest(t, wsUrl, "Authorization", token); err != nil {
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t.Errorf("test %d-ws, token '%v': expected ok, got %v", i, token, err)
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}
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token = tokenFn()
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if resp := rpcRequest(t, htUrl, testMethod, "Authorization", token); resp.StatusCode != 200 {
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t.Errorf("test %d-http, token '%v': expected ok, got %v", i, token, resp.StatusCode)
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}
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}
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expFail := []func() string{
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// future
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix() + int64(jwtExpiryTimeout.Seconds()) + 60}))
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},
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// stale
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix() - int64(jwtExpiryTimeout.Seconds()) - 1}))
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},
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// wrong algo
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, jwt.SigningMethodHS512, testClaim{"iat": time.Now().Unix() + 4}))
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},
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// expired
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix(), "exp": time.Now().Unix()}))
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},
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// missing mandatory iat
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{}))
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},
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// wrong secret
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken([]byte("wrong"), nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken([]byte{}, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(nil, nil, testClaim{"iat": time.Now().Unix()}))
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},
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// Various malformed syntax
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func() string {
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return fmt.Sprintf("%v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("bearer %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer: %v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer:%v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer\t%v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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func() string {
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return fmt.Sprintf("Bearer \t%v", issueToken(secret, nil, testClaim{"iat": time.Now().Unix()}))
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},
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}
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for i, tokenFn := range expFail {
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token := tokenFn()
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if err := wsRequest(t, wsUrl, "Authorization", token); err == nil {
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t.Errorf("tc %d-ws, token '%v': expected not to allow, got ok", i, token)
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}
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token = tokenFn()
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resp := rpcRequest(t, htUrl, testMethod, "Authorization", token)
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if resp.StatusCode != http.StatusUnauthorized {
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t.Errorf("tc %d-http, token '%v': expected not to allow, got %v", i, token, resp.StatusCode)
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}
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}
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srv.stop()
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}
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func TestGzipHandler(t *testing.T) {
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type gzipTest struct {
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name string
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handler http.HandlerFunc
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status int
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isGzip bool
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header map[string]string
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}
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tests := []gzipTest{
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{
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name: "Write",
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handler: func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("response"))
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},
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isGzip: true,
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status: 200,
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},
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{
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name: "WriteHeader",
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handler: func(w http.ResponseWriter, r *http.Request) {
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|
w.Header().Set("x-foo", "bar")
|
|
w.WriteHeader(205)
|
|
w.Write([]byte("response"))
|
|
},
|
|
isGzip: true,
|
|
status: 205,
|
|
header: map[string]string{"x-foo": "bar"},
|
|
},
|
|
{
|
|
name: "WriteContentLength",
|
|
handler: func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("content-length", "8")
|
|
w.Write([]byte("response"))
|
|
},
|
|
isGzip: true,
|
|
status: 200,
|
|
},
|
|
{
|
|
name: "Flush",
|
|
handler: func(w http.ResponseWriter, r *http.Request) {
|
|
w.Write([]byte("res"))
|
|
w.(http.Flusher).Flush()
|
|
w.Write([]byte("ponse"))
|
|
},
|
|
isGzip: true,
|
|
status: 200,
|
|
},
|
|
{
|
|
name: "disable",
|
|
handler: func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("transfer-encoding", "identity")
|
|
w.Header().Set("x-foo", "bar")
|
|
w.Write([]byte("response"))
|
|
},
|
|
isGzip: false,
|
|
status: 200,
|
|
header: map[string]string{"x-foo": "bar"},
|
|
},
|
|
{
|
|
name: "disable-WriteHeader",
|
|
handler: func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("transfer-encoding", "identity")
|
|
w.Header().Set("x-foo", "bar")
|
|
w.WriteHeader(205)
|
|
w.Write([]byte("response"))
|
|
},
|
|
isGzip: false,
|
|
status: 205,
|
|
header: map[string]string{"x-foo": "bar"},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
srv := httptest.NewServer(newGzipHandler(test.handler))
|
|
defer srv.Close()
|
|
|
|
resp, err := http.Get(srv.URL)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
content, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
wasGzip := resp.Uncompressed
|
|
|
|
if string(content) != "response" {
|
|
t.Fatalf("wrong response content %q", content)
|
|
}
|
|
if wasGzip != test.isGzip {
|
|
t.Fatalf("response gzipped == %t, want %t", wasGzip, test.isGzip)
|
|
}
|
|
if resp.StatusCode != test.status {
|
|
t.Fatalf("response status == %d, want %d", resp.StatusCode, test.status)
|
|
}
|
|
for name, expectedValue := range test.header {
|
|
if v := resp.Header.Get(name); v != expectedValue {
|
|
t.Fatalf("response header %s == %s, want %s", name, v, expectedValue)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestHTTPWriteTimeout(t *testing.T) {
|
|
const (
|
|
timeoutRes = `{"jsonrpc":"2.0","id":1,"error":{"code":-32002,"message":"request timed out"}}`
|
|
greetRes = `{"jsonrpc":"2.0","id":1,"result":"Hello"}`
|
|
)
|
|
// Set-up server
|
|
timeouts := rpc.DefaultHTTPTimeouts
|
|
timeouts.WriteTimeout = time.Second
|
|
srv := createAndStartServer(t, &httpConfig{Modules: []string{"test"}}, false, &wsConfig{}, &timeouts)
|
|
url := fmt.Sprintf("http://%v", srv.listenAddr())
|
|
|
|
// Send normal request
|
|
t.Run("message", func(t *testing.T) {
|
|
resp := rpcRequest(t, url, "test_sleep")
|
|
defer resp.Body.Close()
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(body) != timeoutRes {
|
|
t.Errorf("wrong response. have %s, want %s", string(body), timeoutRes)
|
|
}
|
|
})
|
|
|
|
// Batch request
|
|
t.Run("batch", func(t *testing.T) {
|
|
want := fmt.Sprintf("[%s,%s,%s]", greetRes, timeoutRes, timeoutRes)
|
|
resp := batchRpcRequest(t, url, []string{"test_greet", "test_sleep", "test_greet"})
|
|
defer resp.Body.Close()
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(body) != want {
|
|
t.Errorf("wrong response. have %s, want %s", string(body), want)
|
|
}
|
|
})
|
|
}
|
|
|
|
func apis() []rpc.API {
|
|
return []rpc.API{
|
|
{
|
|
Namespace: "test",
|
|
Service: &testService{},
|
|
},
|
|
}
|
|
}
|
|
|
|
type testService struct{}
|
|
|
|
func (s *testService) Greet() string {
|
|
return "Hello"
|
|
}
|
|
|
|
func (s *testService) Sleep() {
|
|
time.Sleep(1500 * time.Millisecond)
|
|
}
|