forked from bitly/oauth2_proxy
-
Notifications
You must be signed in to change notification settings - Fork 136
/
http.go
139 lines (113 loc) · 3.43 KB
/
http.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
package main
import (
"context"
"crypto/tls"
"log"
"net"
"net/http"
"strings"
"time"
"k8s.io/apiserver/pkg/server/dynamiccertificates"
oscrypto "github.com/openshift/library-go/pkg/crypto"
"github.com/openshift/oauth-proxy/util"
)
type Server struct {
Handler http.Handler
Opts *Options
}
func (s *Server) ListenAndServe(ctx context.Context) {
if s.Opts.HttpsAddress == "" && s.Opts.HttpAddress == "" {
log.Fatalf("FATAL: must specify https-address or http-address")
}
if s.Opts.HttpsAddress != "" {
go s.ServeHTTPS(ctx)
}
if s.Opts.HttpAddress != "" {
go s.ServeHTTP()
}
select {
case <-ctx.Done():
}
}
func (s *Server) ServeHTTP() {
httpAddress := s.Opts.HttpAddress
scheme := ""
i := strings.Index(httpAddress, "://")
if i > -1 {
scheme = httpAddress[0:i]
}
var networkType string
switch scheme {
case "", "http":
networkType = "tcp"
default:
networkType = scheme
}
slice := strings.SplitN(httpAddress, "//", 2)
listenAddr := slice[len(slice)-1]
listener, err := net.Listen(networkType, listenAddr)
if err != nil {
log.Fatalf("FATAL: listen (%s, %s) failed - %s", networkType, listenAddr, err)
}
log.Printf("HTTP: listening on %s", listenAddr)
server := &http.Server{Handler: s.Handler}
err = server.Serve(listener)
if err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
log.Printf("ERROR: http.Serve() - %s", err)
}
log.Printf("HTTP: closing %s", listener.Addr())
}
func (s *Server) ServeHTTPS(ctx context.Context) {
addr := s.Opts.HttpsAddress
config := oscrypto.SecureTLSConfig(&tls.Config{})
if config.NextProtos == nil {
config.NextProtos = []string{"http/1.1"}
}
var err error
servingCertProvider, err := dynamiccertificates.NewDynamicServingContentFromFiles("serving", s.Opts.TLSCertFile, s.Opts.TLSKeyFile)
if err != nil {
log.Fatalf("FATAL: loading tls config (%s, %s) failed - %s", s.Opts.TLSCertFile, s.Opts.TLSKeyFile, err)
}
go servingCertProvider.Run(ctx, 1)
config.GetCertificate = func(_ *tls.ClientHelloInfo) (*tls.Certificate, error) {
// this disregards information from ClientHello but we're not doing SNI anyway
cert, key := servingCertProvider.CurrentCertKeyContent()
certKeyPair, err := tls.X509KeyPair(cert, key)
return &certKeyPair, err
}
if len(s.Opts.TLSClientCAFile) > 0 {
config.ClientAuth = tls.RequestClientCert
config.ClientCAs, err = util.GetCertPool([]string{s.Opts.TLSClientCAFile}, false)
if err != nil {
log.Fatalf("FATAL: %s", err)
}
}
ln, err := net.Listen("tcp", addr)
if err != nil {
log.Fatalf("FATAL: listen (%s) failed - %s", addr, err)
}
log.Printf("HTTPS: listening on %s", ln.Addr())
tlsListener := tls.NewListener(tcpKeepAliveListener{ln.(*net.TCPListener)}, config)
srv := &http.Server{Handler: s.Handler}
err = srv.Serve(tlsListener)
if err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
log.Printf("ERROR: https.Serve() - %s", err)
}
log.Printf("HTTPS: closing %s", tlsListener.Addr())
}
// tcpKeepAliveListener sets TCP keep-alive timeouts on accepted
// connections. It's used by ListenAndServe and ListenAndServeTLS so
// dead TCP connections (e.g. closing laptop mid-download) eventually
// go away.
type tcpKeepAliveListener struct {
*net.TCPListener
}
func (ln tcpKeepAliveListener) Accept() (c net.Conn, err error) {
tc, err := ln.AcceptTCP()
if err != nil {
return
}
tc.SetKeepAlive(true)
tc.SetKeepAlivePeriod(3 * time.Minute)
return tc, nil
}