2016-08-12 06:33:55 +02:00
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/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2016-08-19 01:23:42 +02:00
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package cmd
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2016-08-12 06:33:55 +02:00
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import (
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"bufio"
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"crypto/rand"
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"crypto/rsa"
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"crypto/tls"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"errors"
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2016-08-12 06:33:55 +02:00
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"fmt"
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"io/ioutil"
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"math/big"
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"net"
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2016-08-12 06:33:55 +02:00
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"net/http"
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"net/http/httptest"
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"os"
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"strconv"
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"sync"
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2016-08-12 06:33:55 +02:00
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"testing"
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"time"
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2016-08-12 06:33:55 +02:00
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)
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func TestClose(t *testing.T) {
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// Create ServerMux
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m := NewServerMux("", nil)
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if err := m.Close(); err != nil {
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t.Error("Server errored while trying to Close", err)
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}
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}
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2016-09-03 04:07:42 +02:00
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func TestServerMux(t *testing.T) {
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ts := httptest.NewUnstartedServer(nil)
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defer ts.Close()
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// Create ServerMux
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m := NewServerMux("", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "hello")
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}))
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// Set the test server config to the mux
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ts.Config = &m.Server
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ts.Start()
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// Create a ListenerMux
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lm := &ListenerMux{
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Listener: ts.Listener,
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config: &tls.Config{},
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}
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m.listener = lm
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client := http.Client{}
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res, err := client.Get(ts.URL)
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if err != nil {
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t.Fatal(err)
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}
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got, err := ioutil.ReadAll(res.Body)
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if err != nil {
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t.Fatal(err)
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}
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if string(got) != "hello" {
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t.Errorf("got %q, want hello", string(got))
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}
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// Make sure there is only 1 connection
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m.mu.Lock()
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if len(m.conns) < 1 {
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t.Fatal("Should have 1 connections")
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}
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m.mu.Unlock()
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// Close the server
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m.Close()
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// Make sure there are zero connections
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m.mu.Lock()
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if len(m.conns) > 0 {
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t.Fatal("Should have 0 connections")
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}
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m.mu.Unlock()
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}
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func TestServerCloseBlocking(t *testing.T) {
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ts := httptest.NewUnstartedServer(nil)
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defer ts.Close()
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// Create ServerMux
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m := NewServerMux("", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "hello")
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}))
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// Set the test server config to the mux
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ts.Config = &m.Server
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ts.Start()
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2016-09-03 04:07:42 +02:00
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// Create a ListenerMux.
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lm := &ListenerMux{
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Listener: ts.Listener,
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config: &tls.Config{},
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}
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m.listener = lm
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dial := func() net.Conn {
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c, cerr := net.Dial("tcp", ts.Listener.Addr().String())
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if cerr != nil {
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t.Fatal(cerr)
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}
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return c
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}
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// Dial to open a StateNew but don't send anything
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cnew := dial()
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defer cnew.Close()
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// Dial another connection but idle after a request to have StateIdle
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cidle := dial()
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defer cidle.Close()
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cidle.Write([]byte("HEAD / HTTP/1.1\r\nHost: foo\r\n\r\n"))
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_, err := http.ReadResponse(bufio.NewReader(cidle), nil)
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if err != nil {
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t.Fatal(err)
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}
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// Make sure we don't block forever.
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m.Close()
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// Make sure there are zero connections
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m.mu.Lock()
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if len(m.conns) > 0 {
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t.Fatal("Should have 0 connections")
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}
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m.mu.Unlock()
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}
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2016-09-01 01:07:44 +02:00
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func TestListenAndServePlain(t *testing.T) {
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wait := make(chan struct{})
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addr := "127.0.0.1:" + strconv.Itoa(getFreePort())
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errc := make(chan error)
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once := &sync.Once{}
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// Create ServerMux and when we receive a request we stop waiting
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m := NewServerMux(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "hello")
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once.Do(func() { close(wait) })
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}))
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// ListenAndServe in a goroutine, but we don't know when it's ready
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go func() { errc <- m.ListenAndServe() }()
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// Make sure we don't block by closing wait after a timeout
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tf := time.AfterFunc(time.Millisecond*500, func() { errc <- errors.New("Unable to connect to server") })
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2016-09-01 01:07:44 +02:00
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wg := &sync.WaitGroup{}
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wg.Add(1)
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// Keep trying the server until it's accepting connections
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go func() {
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client := http.Client{Timeout: time.Millisecond * 10}
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ok := false
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for !ok {
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res, _ := client.Get("http://" + addr)
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if res != nil && res.StatusCode == http.StatusOK {
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ok = true
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}
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2016-08-19 04:45:03 +02:00
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}
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2016-09-01 01:07:44 +02:00
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wg.Done()
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tf.Stop() // Cancel the timeout since we made a successful request
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}()
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2016-08-19 04:45:03 +02:00
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2016-09-01 01:07:44 +02:00
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wg.Wait()
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2016-08-19 04:45:03 +02:00
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// Block until we get an error or wait closed
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select {
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case err := <-errc:
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if err != nil {
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t.Fatal(err)
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}
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case <-wait:
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m.Close() // Shutdown the ServerMux
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return
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}
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2016-08-12 06:33:55 +02:00
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}
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func TestListenAndServeTLS(t *testing.T) {
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wait := make(chan struct{})
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addr := "127.0.0.1:" + strconv.Itoa(getFreePort())
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errc := make(chan error)
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once := &sync.Once{}
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// Create ServerMux and when we receive a request we stop waiting
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m := NewServerMux(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "hello")
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once.Do(func() { close(wait) })
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}))
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// Create a cert
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err := createCertsPath()
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if err != nil {
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t.Fatal(err)
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}
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certFile := mustGetCertFile()
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keyFile := mustGetKeyFile()
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defer os.RemoveAll(certFile)
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defer os.RemoveAll(keyFile)
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err = generateTestCert(addr)
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if err != nil {
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t.Error(err)
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return
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}
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// ListenAndServe in a goroutine, but we don't know when it's ready
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go func() { errc <- m.ListenAndServeTLS(certFile, keyFile) }()
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// Make sure we don't block by closing wait after a timeout
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tf := time.AfterFunc(time.Millisecond*500, func() { errc <- errors.New("Unable to connect to server") })
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2016-09-01 01:07:44 +02:00
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wg := &sync.WaitGroup{}
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wg.Add(1)
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2016-08-19 10:29:50 +02:00
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// Keep trying the server until it's accepting connections
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go func() {
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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client := http.Client{
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Timeout: time.Millisecond * 10,
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Transport: tr,
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}
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ok := false
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for !ok {
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res, _ := client.Get("https://" + addr)
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if res != nil && res.StatusCode == http.StatusOK {
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ok = true
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}
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}
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2016-09-01 01:07:44 +02:00
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wg.Done()
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2016-08-19 10:29:50 +02:00
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tf.Stop() // Cancel the timeout since we made a successful request
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}()
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2016-09-01 01:07:44 +02:00
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wg.Wait()
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2016-08-19 10:29:50 +02:00
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// Block until we get an error or wait closed
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select {
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case err := <-errc:
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if err != nil {
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t.Error(err)
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return
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}
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case <-wait:
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m.Close() // Shutdown the ServerMux
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return
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}
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}
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// generateTestCert creates a cert and a key used for testing only
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func generateTestCert(host string) error {
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certPath := mustGetCertFile()
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keyPath := mustGetKeyFile()
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priv, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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return err
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}
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serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
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serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
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if err != nil {
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return err
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}
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template := x509.Certificate{
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SerialNumber: serialNumber,
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Subject: pkix.Name{
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Organization: []string{"Minio Test Cert"},
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},
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2016-09-19 22:14:55 +02:00
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NotBefore: time.Now().UTC(),
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NotAfter: time.Now().UTC().Add(time.Minute * 1),
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2016-08-19 10:29:50 +02:00
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KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
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BasicConstraintsValid: true,
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}
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if ip := net.ParseIP(host); ip != nil {
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template.IPAddresses = append(template.IPAddresses, ip)
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}
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template.IsCA = true
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template.KeyUsage |= x509.KeyUsageCertSign
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derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
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if err != nil {
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return err
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}
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certOut, err := os.Create(certPath)
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if err != nil {
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return err
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}
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pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
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certOut.Close()
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keyOut, err := os.OpenFile(keyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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return err
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}
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pem.Encode(keyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
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keyOut.Close()
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return nil
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}
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