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refind http proxy

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This commit is contained in:
v2ray 2015-12-16 15:52:40 +01:00
parent 655f8cd150
commit b3ec97058e
1 changed files with 76 additions and 90 deletions
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166
proxy/http/http.go
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@ -8,7 +8,6 @@ import (
"strconv"
"strings"
"sync"
"time"
"github.com/v2ray/v2ray-core/app"
"github.com/v2ray/v2ray-core/common/alloc"
@ -85,111 +84,98 @@ func (this *HttpProxyServer) handleConnection(conn *net.TCPConn) {
if err != nil {
break
}
this.handleRequest(request, reader, conn)
log.Info("Request to Method [%s] Host [%s] with URL [%s]", request.Method, request.Host, request.URL.String())
defaultPort := v2net.Port(80)
if strings.ToLower(request.URL.Scheme) == "https" {
defaultPort = v2net.Port(443)
}
host := request.Host
if len(host) == 0 {
host = request.URL.Host
}
address, err := parseHost(host, defaultPort)
if err != nil {
log.Warning("Malformed proxy host (%s): %v", host, err)
}
if strings.ToUpper(request.Method) == "CONNECT" {
this.handleConnect(request, address, reader, conn)
} else if len(request.URL.Host) > 0 {
request.Host = request.URL.Host
request.Header.Set("Connection", "keep-alive")
request.Header.Del("Proxy-Connection")
buffer := alloc.NewBuffer().Clear()
request.Write(buffer)
log.Info("Request to remote: %s", string(buffer.Value))
packet := v2net.NewPacket(v2net.NewTCPDestination(address), buffer, true)
ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
defer close(ray.InboundInput())
responseReader := bufio.NewReader(NewChanReader(ray.InboundOutput()))
response, err := http.ReadResponse(responseReader, request)
if err != nil {
return
}
responseBuffer := alloc.NewBuffer().Clear()
response.Write(responseBuffer)
conn.Write(responseBuffer.Value)
responseBuffer.Release()
} else {
response := &http.Response{
Status: "400 Bad Request",
StatusCode: 400,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: http.Header(make(map[string][]string)),
Body: nil,
ContentLength: 0,
Close: false,
}
buffer := alloc.NewSmallBuffer().Clear()
response.Write(buffer)
conn.Write(buffer.Value)
buffer.Release()
}
}
}
func (this *HttpProxyServer) handleRequest(request *http.Request, reader io.Reader, writer io.Writer) {
log.Info("Request to Method [%s] Host [%s] with URL [%s]", request.Method, request.Host, request.URL.String())
defaultPort := v2net.Port(80)
if strings.ToLower(request.URL.Scheme) == "https" {
defaultPort = v2net.Port(443)
func (this *HttpProxyServer) handleConnect(request *http.Request, address v2net.Address, reader io.Reader, writer io.Writer) {
response := &http.Response{
Status: "200 OK",
StatusCode: 200,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: http.Header(make(map[string][]string)),
Body: nil,
ContentLength: 0,
Close: false,
}
if strings.ToUpper(request.Method) == "CONNECT" {
address, err := parseHost(request.Host, defaultPort)
if err != nil {
log.Warning("Malformed proxy host: %v", err)
return
}
response := &http.Response{
Status: "200 OK",
StatusCode: 200,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: http.Header(make(map[string][]string)),
Body: nil,
ContentLength: 0,
Close: false,
}
buffer := alloc.NewSmallBuffer().Clear()
response.Write(buffer)
writer.Write(buffer.Value)
buffer := alloc.NewSmallBuffer().Clear()
response.Write(buffer)
writer.Write(buffer.Value)
packet := v2net.NewPacket(v2net.NewTCPDestination(address), nil, true)
ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
this.transport(reader, writer, ray)
} else if len(request.URL.Host) > 0 {
address, err := parseHost(request.URL.Host, defaultPort)
if err != nil {
log.Warning("Malformed proxy host: %v", err)
return
}
request.Host = request.URL.Host
request.Header.Set("Connection", "keep-alive")
request.Header.Del("Proxy-Connection")
buffer := alloc.NewBuffer().Clear()
request.Write(buffer)
log.Info("Request to remote: %s", string(buffer.Value))
packet := v2net.NewPacket(v2net.NewTCPDestination(address), buffer, true)
ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
defer close(ray.InboundInput())
responseReader := bufio.NewReader(NewChanReader(ray.InboundOutput()))
response, err := http.ReadResponse(responseReader, request)
if err != nil {
return
}
responseBuffer := alloc.NewBuffer().Clear()
defer responseBuffer.Release()
response.Write(responseBuffer)
writer.Write(responseBuffer.Value)
} else {
response := &http.Response{
Status: "400 Bad Request",
StatusCode: 400,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: http.Header(make(map[string][]string)),
Body: nil,
ContentLength: 0,
Close: false,
}
buffer := alloc.NewSmallBuffer().Clear()
response.Write(buffer)
writer.Write(buffer.Value)
}
packet := v2net.NewPacket(v2net.NewTCPDestination(address), nil, true)
ray := this.space.PacketDispatcher().DispatchToOutbound(packet)
this.transport(reader, writer, ray)
}
func (this *HttpProxyServer) transport(input io.Reader, output io.Writer, ray ray.InboundRay) {
var inputFinish, outputFinish sync.Mutex
var outputFinish sync.Mutex
outputFinish.Lock()
if input != nil {
inputFinish.Lock()
go func() {
v2net.ReaderToChan(ray.InboundInput(), input)
inputFinish.Unlock()
}()
} else {
// TODO: We can not close write so quickly, as some HTTP server will stop responding if so.
}
go func() {
v2net.ReaderToChan(ray.InboundInput(), input)
close(ray.InboundInput())
}()
go func() {
v2net.ChanToWriter(output, ray.InboundOutput())
outputFinish.Unlock()
}()
inputFinish.Lock()
go func() {
<-time.After(10 * time.Second)
close(ray.InboundInput())
}()
outputFinish.Lock()
}