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|
//go:build !windows
package authz
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
"github.com/docker/docker/pkg/authorization"
"github.com/docker/docker/pkg/plugins"
"github.com/docker/docker/testutil"
"github.com/docker/docker/testutil/daemon"
"github.com/docker/docker/testutil/environment"
"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"gotest.tools/v3/skip"
)
var (
testEnv *environment.Execution
d *daemon.Daemon
server *httptest.Server
baseContext context.Context
)
func TestMain(m *testing.M) {
shutdown := testutil.ConfigureTracing()
ctx, span := otel.Tracer("").Start(context.Background(), "integration/plugin/authz.TestMain")
baseContext = ctx
var err error
testEnv, err = environment.New(ctx)
if err != nil {
span.SetStatus(codes.Error, err.Error())
span.End()
shutdown(ctx)
panic(err)
}
err = environment.EnsureFrozenImagesLinux(ctx, testEnv)
if err != nil {
span.SetStatus(codes.Error, err.Error())
span.End()
shutdown(ctx)
panic(err)
}
testEnv.Print()
setupSuite()
exitCode := m.Run()
teardownSuite()
if exitCode != 0 {
span.SetAttributes(attribute.Int("exit", exitCode))
span.SetStatus(codes.Error, "m.Run() exited with non-zero exit code")
}
shutdown(ctx)
os.Exit(exitCode)
}
func setupTest(t *testing.T) context.Context {
skip.If(t, testEnv.IsRemoteDaemon, "cannot run daemon when remote daemon")
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
skip.If(t, testEnv.IsRootless, "rootless mode has different view of localhost")
ctx := testutil.StartSpan(baseContext, t)
environment.ProtectAll(ctx, t, testEnv)
d = daemon.New(t, daemon.WithExperimental())
t.Cleanup(func() {
if d != nil {
d.Stop(t)
}
testEnv.Clean(ctx, t)
})
return ctx
}
func setupSuite() {
mux := http.NewServeMux()
server = httptest.NewServer(otelhttp.NewHandler(mux, ""))
mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
b, err := json.Marshal(plugins.Manifest{Implements: []string{authorization.AuthZApiImplements}})
if err != nil {
panic("could not marshal json for /Plugin.Activate: " + err.Error())
}
w.Write(b)
})
mux.HandleFunc("/AuthZPlugin.AuthZReq", func(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
body, err := io.ReadAll(r.Body)
if err != nil {
panic("could not read body for /AuthZPlugin.AuthZReq: " + err.Error())
}
authReq := authorization.Request{}
err = json.Unmarshal(body, &authReq)
if err != nil {
panic("could not unmarshal json for /AuthZPlugin.AuthZReq: " + err.Error())
}
assertBody(authReq.RequestURI, authReq.RequestHeaders, authReq.RequestBody)
assertAuthHeaders(authReq.RequestHeaders)
// Count only server version api
if strings.HasSuffix(authReq.RequestURI, serverVersionAPI) {
ctrl.versionReqCount++
}
ctrl.requestsURIs = append(ctrl.requestsURIs, authReq.RequestURI)
reqRes := ctrl.reqRes
if isAllowed(authReq.RequestURI) {
reqRes = authorization.Response{Allow: true}
}
if reqRes.Err != "" {
w.WriteHeader(http.StatusInternalServerError)
}
b, err := json.Marshal(reqRes)
if err != nil {
panic("could not marshal json for /AuthZPlugin.AuthZReq: " + err.Error())
}
ctrl.reqUser = authReq.User
w.Write(b)
})
mux.HandleFunc("/AuthZPlugin.AuthZRes", func(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
body, err := io.ReadAll(r.Body)
if err != nil {
panic("could not read body for /AuthZPlugin.AuthZRes: " + err.Error())
}
authReq := authorization.Request{}
err = json.Unmarshal(body, &authReq)
if err != nil {
panic("could not unmarshal json for /AuthZPlugin.AuthZRes: " + err.Error())
}
assertBody(authReq.RequestURI, authReq.ResponseHeaders, authReq.ResponseBody)
assertAuthHeaders(authReq.ResponseHeaders)
// Count only server version api
if strings.HasSuffix(authReq.RequestURI, serverVersionAPI) {
ctrl.versionResCount++
}
resRes := ctrl.resRes
if isAllowed(authReq.RequestURI) {
resRes = authorization.Response{Allow: true}
}
if resRes.Err != "" {
w.WriteHeader(http.StatusInternalServerError)
}
b, err := json.Marshal(resRes)
if err != nil {
panic("could not marshal json for /AuthZPlugin.AuthZRes: " + err.Error())
}
ctrl.resUser = authReq.User
w.Write(b)
})
}
func teardownSuite() {
if server == nil {
return
}
server.Close()
}
// assertAuthHeaders validates authentication headers are removed
func assertAuthHeaders(headers map[string]string) error {
for k := range headers {
if strings.Contains(strings.ToLower(k), "auth") || strings.Contains(strings.ToLower(k), "x-registry") {
panic(fmt.Sprintf("Found authentication headers in request '%v'", headers))
}
}
return nil
}
// assertBody asserts that body is removed for non text/json requests
func assertBody(requestURI string, headers map[string]string, body []byte) {
if strings.Contains(strings.ToLower(requestURI), "auth") && len(body) > 0 {
panic("Body included for authentication endpoint " + string(body))
}
for k, v := range headers {
if strings.EqualFold(k, "Content-Type") && strings.HasPrefix(v, "text/") || v == "application/json" {
return
}
}
if len(body) > 0 {
panic(fmt.Sprintf("Body included while it should not (Headers: '%v')", headers))
}
}
|
