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confighttp_test.go
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confighttp_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package confighttp
import (
"context"
"errors"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/url"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"go.uber.org/zap/zaptest/observer"
"go.opentelemetry.io/collector/client"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config/configauth"
"go.opentelemetry.io/collector/config/configcompression"
"go.opentelemetry.io/collector/config/configopaque"
"go.opentelemetry.io/collector/config/configtelemetry"
"go.opentelemetry.io/collector/config/configtls"
"go.opentelemetry.io/collector/extension/auth"
"go.opentelemetry.io/collector/extension/auth/authtest"
)
type customRoundTripper struct {
}
var _ http.RoundTripper = (*customRoundTripper)(nil)
func (c *customRoundTripper) RoundTrip(_ *http.Request) (*http.Response, error) {
return nil, nil
}
var (
testAuthID = component.MustNewID("testauth")
mockID = component.MustNewID("mock")
dummyID = component.MustNewID("dummy")
nonExistingID = component.MustNewID("nonexisting")
)
func TestAllHTTPClientSettings(t *testing.T) {
host := &mockHost{
ext: map[component.ID]component.Component{
testAuthID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
}
maxIdleConns := 50
maxIdleConnsPerHost := 40
maxConnsPerHost := 45
idleConnTimeout := 30 * time.Second
http2PingTimeout := 5 * time.Second
tests := []struct {
name string
settings ClientConfig
shouldError bool
}{
{
name: "all_valid_settings",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
MaxIdleConns: &maxIdleConns,
MaxIdleConnsPerHost: &maxIdleConnsPerHost,
MaxConnsPerHost: &maxConnsPerHost,
IdleConnTimeout: &idleConnTimeout,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return next, nil },
Compression: "",
DisableKeepAlives: true,
HTTP2ReadIdleTimeout: idleConnTimeout,
HTTP2PingTimeout: http2PingTimeout,
},
shouldError: false,
},
{
name: "all_valid_settings_with_none_compression",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
MaxIdleConns: &maxIdleConns,
MaxIdleConnsPerHost: &maxIdleConnsPerHost,
MaxConnsPerHost: &maxConnsPerHost,
IdleConnTimeout: &idleConnTimeout,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return next, nil },
Compression: "none",
DisableKeepAlives: true,
HTTP2ReadIdleTimeout: idleConnTimeout,
HTTP2PingTimeout: http2PingTimeout,
},
shouldError: false,
},
{
name: "all_valid_settings_with_gzip_compression",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
MaxIdleConns: &maxIdleConns,
MaxIdleConnsPerHost: &maxIdleConnsPerHost,
MaxConnsPerHost: &maxConnsPerHost,
IdleConnTimeout: &idleConnTimeout,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return next, nil },
Compression: "gzip",
DisableKeepAlives: true,
HTTP2ReadIdleTimeout: idleConnTimeout,
HTTP2PingTimeout: http2PingTimeout,
},
shouldError: false,
},
{
name: "all_valid_settings_http2_health_check",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
MaxIdleConns: &maxIdleConns,
MaxIdleConnsPerHost: &maxIdleConnsPerHost,
MaxConnsPerHost: &maxConnsPerHost,
IdleConnTimeout: &idleConnTimeout,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return next, nil },
Compression: "gzip",
DisableKeepAlives: true,
HTTP2ReadIdleTimeout: idleConnTimeout,
HTTP2PingTimeout: http2PingTimeout,
},
shouldError: false,
},
{
name: "error_round_tripper_returned",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return nil, errors.New("error") },
},
shouldError: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
tt := componenttest.NewNopTelemetrySettings()
tt.TracerProvider = nil
client, err := test.settings.ToClient(host, tt)
if test.shouldError {
assert.Error(t, err)
return
}
assert.NoError(t, err)
switch transport := client.Transport.(type) {
case *http.Transport:
assert.EqualValues(t, 1024, transport.ReadBufferSize)
assert.EqualValues(t, 512, transport.WriteBufferSize)
assert.EqualValues(t, 50, transport.MaxIdleConns)
assert.EqualValues(t, 40, transport.MaxIdleConnsPerHost)
assert.EqualValues(t, 45, transport.MaxConnsPerHost)
assert.EqualValues(t, 30*time.Second, transport.IdleConnTimeout)
assert.EqualValues(t, true, transport.DisableKeepAlives)
case *compressRoundTripper:
assert.EqualValues(t, "gzip", transport.compressionType)
}
})
}
}
func TestPartialHTTPClientSettings(t *testing.T) {
host := &mockHost{
ext: map[component.ID]component.Component{
testAuthID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
}
tests := []struct {
name string
settings ClientConfig
shouldError bool
}{
{
name: "valid_partial_settings",
settings: ClientConfig{
Endpoint: "localhost:1234",
TLSSetting: configtls.TLSClientSetting{
Insecure: false,
},
ReadBufferSize: 1024,
WriteBufferSize: 512,
CustomRoundTripper: func(next http.RoundTripper) (http.RoundTripper, error) { return next, nil },
},
shouldError: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
tt := componenttest.NewNopTelemetrySettings()
tt.TracerProvider = nil
client, err := test.settings.ToClient(host, tt)
assert.NoError(t, err)
transport := client.Transport.(*http.Transport)
assert.EqualValues(t, 1024, transport.ReadBufferSize)
assert.EqualValues(t, 512, transport.WriteBufferSize)
assert.EqualValues(t, 100, transport.MaxIdleConns)
assert.EqualValues(t, 0, transport.MaxIdleConnsPerHost)
assert.EqualValues(t, 0, transport.MaxConnsPerHost)
assert.EqualValues(t, 90*time.Second, transport.IdleConnTimeout)
assert.EqualValues(t, false, transport.DisableKeepAlives)
})
}
}
func TestDefaultHTTPClientSettings(t *testing.T) {
httpClientSettings := NewDefaultClientConfig()
assert.EqualValues(t, 100, *httpClientSettings.MaxIdleConns)
assert.EqualValues(t, 90*time.Second, *httpClientSettings.IdleConnTimeout)
}
func TestProxyURL(t *testing.T) {
testCases := []struct {
desc string
proxyURL string
expectedURL *url.URL
err bool
}{
{
desc: "default config",
expectedURL: nil,
},
{
desc: "proxy is set",
proxyURL: "http:https://proxy.example.com:8080",
expectedURL: &url.URL{Scheme: "http", Host: "proxy.example.com:8080"},
},
{
desc: "proxy is invalid",
proxyURL: ":https://example.com",
err: true,
},
}
for _, tC := range testCases {
t.Run(tC.desc, func(t *testing.T) {
s := NewDefaultClientConfig()
s.ProxyURL = tC.proxyURL
tt := componenttest.NewNopTelemetrySettings()
tt.TracerProvider = nil
client, err := s.ToClient(componenttest.NewNopHost(), tt)
if tC.err {
require.Error(t, err)
} else {
require.NoError(t, err)
}
if err == nil {
transport := client.Transport.(*http.Transport)
require.NotNil(t, transport.Proxy)
url, err := transport.Proxy(&http.Request{URL: &url.URL{Scheme: "http", Host: "example.com"}})
require.NoError(t, err)
if tC.expectedURL == nil {
assert.Nil(t, url)
} else {
require.NotNil(t, url)
assert.Equal(t, tC.expectedURL, url)
}
}
})
}
}
func TestHTTPClientSettingsError(t *testing.T) {
host := &mockHost{
ext: map[component.ID]component.Component{},
}
tests := []struct {
settings ClientConfig
err string
}{
{
err: "^failed to load TLS config: failed to load CA CertPool File: failed to load cert /doesnt/exist:",
settings: ClientConfig{
Endpoint: "",
TLSSetting: configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: "/doesnt/exist",
},
Insecure: false,
ServerName: "",
},
},
},
{
err: "^failed to load TLS config: failed to load TLS cert and key: for auth via TLS, provide both certificate and key, or neither",
settings: ClientConfig{
Endpoint: "",
TLSSetting: configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CertFile: "/doesnt/exist",
},
Insecure: false,
ServerName: "",
},
},
},
{
err: "failed to resolve authenticator \"dummy\": authenticator not found",
settings: ClientConfig{
Endpoint: "https://localhost:1234/v1/traces",
Auth: &configauth.Authentication{AuthenticatorID: dummyID},
},
},
}
for _, test := range tests {
t.Run(test.err, func(t *testing.T) {
_, err := test.settings.ToClient(host, componenttest.NewNopTelemetrySettings())
assert.Regexp(t, test.err, err)
})
}
}
func TestHTTPClientSettingWithAuthConfig(t *testing.T) {
tests := []struct {
name string
shouldErr bool
settings ClientConfig
host component.Host
}{
{
name: "no_auth_extension_enabled",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: nil,
},
shouldErr: false,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{
ResultRoundTripper: &customRoundTripper{},
},
},
},
},
{
name: "with_auth_configuration_and_no_extension",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: dummyID},
},
shouldErr: true,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
},
},
{
name: "with_auth_configuration_and_no_extension_map",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: dummyID},
},
shouldErr: true,
host: componenttest.NewNopHost(),
},
{
name: "with_auth_configuration_has_extension",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: mockID},
},
shouldErr: false,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
},
},
{
name: "with_auth_configuration_has_extension_and_headers",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: mockID},
Headers: map[string]configopaque.String{"foo": "bar"},
},
shouldErr: false,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
},
},
{
name: "with_auth_configuration_has_extension_and_compression",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: component.NewID("mock")},
Compression: configcompression.TypeGzip,
},
shouldErr: false,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{ResultRoundTripper: &customRoundTripper{}},
},
},
},
{
name: "with_auth_configuration_has_err_extension",
settings: ClientConfig{
Endpoint: "localhost:1234",
Auth: &configauth.Authentication{AuthenticatorID: mockID},
},
shouldErr: true,
host: &mockHost{
ext: map[component.ID]component.Component{
mockID: &authtest.MockClient{
ResultRoundTripper: &customRoundTripper{}, MustError: true},
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
// Omit TracerProvider and MeterProvider in TelemetrySettings as otelhttp.Transport cannot be introspected
client, err := test.settings.ToClient(test.host, component.TelemetrySettings{Logger: zap.NewNop(), MetricsLevel: configtelemetry.LevelNone})
if test.shouldErr {
assert.Error(t, err)
return
}
assert.NoError(t, err)
assert.NotNil(t, client)
transport := client.Transport
// Compression should wrap Auth, unwrap it
if test.settings.Compression.IsCompressed() {
ct, ok := transport.(*compressRoundTripper)
assert.True(t, ok)
assert.Equal(t, test.settings.Compression, ct.compressionType)
transport = ct.rt
}
// Headers should wrap Auth, unwrap it
if test.settings.Headers != nil {
ht, ok := transport.(*headerRoundTripper)
assert.True(t, ok)
assert.Equal(t, test.settings.Headers, ht.headers)
transport = ht.transport
}
if test.settings.Auth != nil {
_, ok := transport.(*customRoundTripper)
assert.True(t, ok)
}
})
}
}
func TestHTTPServerSettingsError(t *testing.T) {
tests := []struct {
settings ServerConfig
err string
}{
{
err: "^failed to load TLS config: failed to load CA CertPool File: failed to load cert /doesnt/exist:",
settings: ServerConfig{
Endpoint: "localhost:0",
TLSSetting: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: "/doesnt/exist",
},
},
},
},
{
err: "^failed to load TLS config: failed to load TLS cert and key: for auth via TLS, provide both certificate and key, or neither",
settings: ServerConfig{
Endpoint: "localhost:0",
TLSSetting: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CertFile: "/doesnt/exist",
},
},
},
},
{
err: "failed to load client CA CertPool: failed to load CA /doesnt/exist:",
settings: ServerConfig{
Endpoint: "localhost:0",
TLSSetting: &configtls.TLSServerSetting{
ClientCAFile: "/doesnt/exist",
},
},
},
}
for _, test := range tests {
t.Run(test.err, func(t *testing.T) {
_, err := test.settings.ToListener()
assert.Regexp(t, test.err, err)
})
}
}
func TestHTTPServerWarning(t *testing.T) {
tests := []struct {
name string
settings ServerConfig
len int
}{
{
settings: ServerConfig{
Endpoint: "0.0.0.0:0",
},
len: 1,
},
{
settings: ServerConfig{
Endpoint: "127.0.0.1:0",
},
len: 0,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
set := componenttest.NewNopTelemetrySettings()
logger, observed := observer.New(zap.DebugLevel)
set.Logger = zap.New(logger)
_, err := test.settings.ToServer(
componenttest.NewNopHost(),
set,
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, errWrite := fmt.Fprint(w, "test")
assert.NoError(t, errWrite)
}))
require.NoError(t, err)
require.Len(t, observed.FilterLevelExact(zap.WarnLevel).All(), test.len)
})
}
}
func TestHttpReception(t *testing.T) {
tests := []struct {
name string
tlsServerCreds *configtls.TLSServerSetting
tlsClientCreds *configtls.TLSClientSetting
hasError bool
forceHTTP1 bool
}{
{
name: "noTLS",
tlsServerCreds: nil,
tlsClientCreds: &configtls.TLSClientSetting{
Insecure: true,
},
},
{
name: "TLS",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "server.crt"),
KeyFile: filepath.Join("testdata", "server.key"),
},
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
},
ServerName: "localhost",
},
},
{
name: "TLS (HTTP/1.1)",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "server.crt"),
KeyFile: filepath.Join("testdata", "server.key"),
},
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
},
ServerName: "localhost",
},
forceHTTP1: true,
},
{
name: "NoServerCertificates",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
},
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
},
ServerName: "localhost",
},
hasError: true,
},
{
name: "mTLS",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "server.crt"),
KeyFile: filepath.Join("testdata", "server.key"),
},
ClientCAFile: filepath.Join("testdata", "ca.crt"),
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "client.crt"),
KeyFile: filepath.Join("testdata", "client.key"),
},
ServerName: "localhost",
},
},
{
name: "NoClientCertificate",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "server.crt"),
KeyFile: filepath.Join("testdata", "server.key"),
},
ClientCAFile: filepath.Join("testdata", "ca.crt"),
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
},
ServerName: "localhost",
},
hasError: true,
},
{
name: "WrongClientCA",
tlsServerCreds: &configtls.TLSServerSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "server.crt"),
KeyFile: filepath.Join("testdata", "server.key"),
},
ClientCAFile: filepath.Join("testdata", "server.crt"),
},
tlsClientCreds: &configtls.TLSClientSetting{
TLSSetting: configtls.TLSSetting{
CAFile: filepath.Join("testdata", "ca.crt"),
CertFile: filepath.Join("testdata", "client.crt"),
KeyFile: filepath.Join("testdata", "client.key"),
},
ServerName: "localhost",
},
hasError: true,
},
}
// prepare
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
hss := &ServerConfig{
Endpoint: "localhost:0",
TLSSetting: tt.tlsServerCreds,
}
ln, err := hss.ToListener()
require.NoError(t, err)
s, err := hss.ToServer(
componenttest.NewNopHost(),
componenttest.NewNopTelemetrySettings(),
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, errWrite := fmt.Fprint(w, "test")
assert.NoError(t, errWrite)
}))
require.NoError(t, err)
go func() {
_ = s.Serve(ln)
}()
prefix := "https://"
expectedProto := "HTTP/2.0"
if tt.tlsClientCreds.Insecure {
prefix = "http:https://"
expectedProto = "HTTP/1.1"
}
hcs := &ClientConfig{
Endpoint: prefix + ln.Addr().String(),
TLSSetting: *tt.tlsClientCreds,
}
if tt.forceHTTP1 {
expectedProto = "HTTP/1.1"
hcs.CustomRoundTripper = func(rt http.RoundTripper) (http.RoundTripper, error) {
rt.(*http.Transport).ForceAttemptHTTP2 = false
return rt, nil
}
}
client, errClient := hcs.ToClient(componenttest.NewNopHost(), component.TelemetrySettings{})
require.NoError(t, errClient)
resp, errResp := client.Get(hcs.Endpoint)
if tt.hasError {
assert.Error(t, errResp)
} else {
assert.NoError(t, errResp)
body, errRead := io.ReadAll(resp.Body)
assert.NoError(t, errRead)
assert.Equal(t, "test", string(body))
assert.Equal(t, expectedProto, resp.Proto)
}
require.NoError(t, s.Close())
})
}
}
func TestHttpCors(t *testing.T) {
tests := []struct {
name string
*CORSConfig
allowedWorks bool
disallowedWorks bool
extraHeaderWorks bool
}{
{
name: "noCORS",
allowedWorks: false,
disallowedWorks: false,
extraHeaderWorks: false,
},
{
name: "emptyCORS",
CORSConfig: &CORSConfig{},
allowedWorks: false,
disallowedWorks: false,
extraHeaderWorks: false,
},
{
name: "OriginCORS",
CORSConfig: &CORSConfig{
AllowedOrigins: []string{"allowed-*.com"},
},
allowedWorks: true,
disallowedWorks: false,
extraHeaderWorks: false,
},
{
name: "CacheableCORS",
CORSConfig: &CORSConfig{
AllowedOrigins: []string{"allowed-*.com"},
MaxAge: 360,
},
allowedWorks: true,
disallowedWorks: false,
extraHeaderWorks: false,
},
{
name: "HeaderCORS",
CORSConfig: &CORSConfig{
AllowedOrigins: []string{"allowed-*.com"},
AllowedHeaders: []string{"ExtraHeader"},
},
allowedWorks: true,
disallowedWorks: false,
extraHeaderWorks: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
hss := &ServerConfig{
Endpoint: "localhost:0",
CORS: tt.CORSConfig,
}
ln, err := hss.ToListener()
require.NoError(t, err)
s, err := hss.ToServer(
componenttest.NewNopHost(),
componenttest.NewNopTelemetrySettings(),
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
require.NoError(t, err)
go func() {
_ = s.Serve(ln)
}()
url := fmt.Sprintf("http:https://%s", ln.Addr().String())
expectedStatus := http.StatusNoContent
if tt.CORSConfig == nil || len(tt.AllowedOrigins) == 0 {
expectedStatus = http.StatusOK
}
// Verify allowed domain gets responses that allow CORS.
verifyCorsResp(t, url, "allowed-origin.com", tt.CORSConfig, false, expectedStatus, tt.allowedWorks)
// Verify allowed domain and extra headers gets responses that allow CORS.
verifyCorsResp(t, url, "allowed-origin.com", tt.CORSConfig, true, expectedStatus, tt.extraHeaderWorks)
// Verify disallowed domain gets responses that disallow CORS.
verifyCorsResp(t, url, "disallowed-origin.com", tt.CORSConfig, false, expectedStatus, tt.disallowedWorks)
require.NoError(t, s.Close())
})
}
}
func TestHttpCorsInvalidSettings(t *testing.T) {
hss := &ServerConfig{
Endpoint: "localhost:0",
CORS: &CORSConfig{AllowedHeaders: []string{"some-header"}},
}
// This effectively does not enable CORS but should also not cause an error
s, err := hss.ToServer(
componenttest.NewNopHost(),
componenttest.NewNopTelemetrySettings(),
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
require.NoError(t, err)
require.NotNil(t, s)
require.NoError(t, s.Close())
}
func TestHttpCorsWithSettings(t *testing.T) {
hss := &ServerConfig{
Endpoint: "localhost:0",
CORS: &CORSConfig{
AllowedOrigins: []string{"*"},
},
Auth: &configauth.Authentication{
AuthenticatorID: mockID,
},
}
host := &mockHost{
ext: map[component.ID]component.Component{
mockID: auth.NewServer(
auth.WithServerAuthenticate(func(ctx context.Context, headers map[string][]string) (context.Context, error) {
return ctx, errors.New("Settings failed")
}),
),
},
}
srv, err := hss.ToServer(host, componenttest.NewNopTelemetrySettings(), nil)
require.NoError(t, err)
require.NotNil(t, srv)
rec := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodOptions, "/", nil)
req.Header.Set("Origin", "http:https://localhost")
req.Header.Set("Access-Control-Request-Method", http.MethodPost)
srv.Handler.ServeHTTP(rec, req)
assert.Equal(t, http.StatusNoContent, rec.Result().StatusCode)
assert.Equal(t, "*", rec.Header().Get("Access-Control-Allow-Origin"))
}
func TestHttpServerHeaders(t *testing.T) {
tests := []struct {
name string
headers map[string]configopaque.String
}{
{
name: "noHeaders",
headers: nil,
},
{
name: "emptyHeaders",
headers: map[string]configopaque.String{},
},
{
name: "withHeaders",
headers: map[string]configopaque.String{
"x-new-header-1": "value1",
"x-new-header-2": "value2",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
hss := &ServerConfig{
Endpoint: "localhost:0",
ResponseHeaders: tt.headers,
}
ln, err := hss.ToListener()
require.NoError(t, err)
s, err := hss.ToServer(
componenttest.NewNopHost(),
componenttest.NewNopTelemetrySettings(),
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
require.NoError(t, err)
go func() {
_ = s.Serve(ln)
}()
url := fmt.Sprintf("http:https://%s", ln.Addr().String())
// Verify allowed domain gets responses that allow CORS.
verifyHeadersResp(t, url, tt.headers)
require.NoError(t, s.Close())
})
}
}
func verifyCorsResp(t *testing.T, url string, origin string, set *CORSConfig, extraHeader bool, wantStatus int, wantAllowed bool) {
req, err := http.NewRequest(http.MethodOptions, url, nil)
require.NoError(t, err, "Error creating trace OPTIONS request: %v", err)
req.Header.Set("Origin", origin)
if extraHeader {
req.Header.Set("ExtraHeader", "foo")
req.Header.Set("Access-Control-Request-Headers", "ExtraHeader")
}
req.Header.Set("Access-Control-Request-Method", "POST")
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err, "Error sending OPTIONS to http server: %v", err)
err = resp.Body.Close()
if err != nil {
t.Errorf("Error closing OPTIONS response body, %v", err)
}
assert.Equal(t, wantStatus, resp.StatusCode)
gotAllowOrigin := resp.Header.Get("Access-Control-Allow-Origin")
gotAllowMethods := resp.Header.Get("Access-Control-Allow-Methods")
wantAllowOrigin := ""
wantAllowMethods := ""
wantMaxAge := ""
if wantAllowed {
wantAllowOrigin = origin
wantAllowMethods = "POST"
if set != nil && set.MaxAge != 0 {
wantMaxAge = fmt.Sprintf("%d", set.MaxAge)
}
}
assert.Equal(t, wantAllowOrigin, gotAllowOrigin)
assert.Equal(t, wantAllowMethods, gotAllowMethods)
assert.Equal(t, wantMaxAge, resp.Header.Get("Access-Control-Max-Age"))
}
func verifyHeadersResp(t *testing.T, url string, expected map[string]configopaque.String) {
req, err := http.NewRequest(http.MethodGet, url, nil)
require.NoError(t, err, "Error creating request: %v", err)
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err, "Error sending request to http server: %v", err)
err = resp.Body.Close()
if err != nil {