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134 lines
3.1 KiB
134 lines
3.1 KiB
/*
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/*
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* Mini Object Storage, (C) 2014 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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// Package http implements a wrapper around golang's own http.Server
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package http
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import (
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"crypto/rand"
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"crypto/tls"
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"fmt"
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"io/ioutil"
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"log"
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"net"
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"net/http"
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"sync"
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"time"
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)
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type Server struct {
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mux *http.ServeMux
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listener net.Listener
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enableTLS bool
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tlsCertFile string
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tlsKeyFile string
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mu sync.Mutex
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}
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// Enable tls
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func (s *Server) EnableTLS(certFile, keyFile string) {
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s.enableTLS = true
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s.tlsCertFile = certFile
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s.tlsKeyFile = keyFile
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}
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// Get Listen URL
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func (s *Server) GetlistenURL() string {
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scheme := "http"
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if s.enableTLS {
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scheme = "https"
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}
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if s.listener != nil {
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if taddr, ok := s.listener.Addr().(*net.TCPAddr); ok {
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if taddr.IP.IsUnspecified() {
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return fmt.Sprintf("%s://localhost:%d", scheme, taddr.Port)
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}
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return fmt.Sprintf("%s://%s", scheme, s.listener.Addr())
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}
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}
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return ""
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}
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func (s *Server) HandleFunc(pattern string, fn func(http.ResponseWriter, *http.Request)) {
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s.mux.HandleFunc(pattern, fn)
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}
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func (s *Server) Handle(pattern string, handler http.Handler) {
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s.mux.Handle(pattern, handler)
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}
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func (s *Server) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
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s.mux.ServeHTTP(rw, req)
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}
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// Listen starts listening on the given host:port addr.
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func (s *Server) Listen(addr string) error {
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if s.listener != nil {
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return nil
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}
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if addr == "" {
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return fmt.Errorf("<host>:<port> needs to be provided to start listening")
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}
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var err error
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_, _, err = net.SplitHostPort(addr)
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if err != nil {
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return fmt.Errorf("Failed to split %s: %v", addr, err)
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}
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s.listener, err = net.Listen("tcp", addr)
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if err != nil {
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return fmt.Errorf("Failed to listen on %s: %v", addr, err)
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}
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log.Printf("Starting to listen on %s\n", s.GetlistenURL())
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if s.enableTLS {
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config := &tls.Config{
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Rand: rand.Reader,
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Time: time.Now,
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NextProtos: []string{"http/1.1"},
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}
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config.Certificates = make([]tls.Certificate, 1)
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config.Certificates[0], err = loadX509KeyPair(s.tlsCertFile, s.tlsKeyFile)
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if err != nil {
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return fmt.Errorf("Failed to load TLS cert: %v", err)
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}
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s.listener = tls.NewListener(s.listener, config)
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}
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return nil
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}
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func NewServer() *Server {
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return &Server{
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mux: http.NewServeMux(),
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}
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}
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func loadX509KeyPair(certFile, keyFile string) (cert tls.Certificate, err error) {
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certPEMBlock, err := ioutil.ReadFile(certFile)
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if err != nil {
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return
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}
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keyPEMBlock, err := ioutil.ReadFile(keyFile)
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if err != nil {
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return
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}
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return tls.X509KeyPair(certPEMBlock, keyPEMBlock)
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}
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