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HTTPUpgrade send headers with specified capitalization (#3430)
* Fix HTTPUpgrade header capitalization * Chore * Remove excess host headers Chore : change httpupgrade header "upgrade" to "Upgrade" #3435
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@ -208,8 +208,10 @@ func (c *HttpUpgradeConfig) Build() (proto.Message, error) {
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// Host priority: Host field > headers field > address.
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if c.Host == "" && c.Headers["host"] != "" {
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c.Host = c.Headers["host"]
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delete(c.Headers,"host")
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} else if c.Host == "" && c.Headers["Host"] != "" {
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c.Host = c.Headers["Host"]
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delete(c.Headers,"Host")
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}
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config := &httpupgrade.Config{
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Path: path,
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@ -69,69 +69,23 @@ func dialhttpUpgrade(ctx context.Context, dest net.Destination, streamSettings *
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requestURL.Scheme = "http"
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}
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var req *http.Request = nil
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requestURL.Host = dest.NetAddr()
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requestURL.Path = transportConfiguration.GetNormalizedPath()
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req := &http.Request{
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Method: http.MethodGet,
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URL: &requestURL,
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Host: transportConfiguration.Host,
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Header: make(http.Header),
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}
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for key, value := range transportConfiguration.Header {
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AddHeader(req.Header, key, value)
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}
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req.Header.Set("Connection", "Upgrade")
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req.Header.Set("Upgrade", "websocket")
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if len(transportConfiguration.Header) == 0 {
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requestURL.Host = dest.NetAddr()
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requestURL.Path = transportConfiguration.GetNormalizedPath()
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req = &http.Request{
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Method: http.MethodGet,
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URL: &requestURL,
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Host: transportConfiguration.Host,
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Header: make(http.Header),
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}
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req.Header.Set("Connection", "upgrade")
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req.Header.Set("Upgrade", "websocket")
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err = req.Write(conn)
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if err != nil {
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return nil, err
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}
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} else {
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var headersBuilder strings.Builder
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headersBuilder.WriteString("GET ")
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headersBuilder.WriteString(transportConfiguration.GetNormalizedPath())
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headersBuilder.WriteString(" HTTP/1.1\r\n")
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hasConnectionHeader := false
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hasUpgradeHeader := false
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hasHostHeader := false
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for key, value := range transportConfiguration.Header {
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if strings.ToLower(key) == "connection" {
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hasConnectionHeader = true
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}
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if strings.ToLower(key) == "upgrade" {
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hasUpgradeHeader = true
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}
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if strings.ToLower(key) == "host" {
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hasHostHeader = true
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}
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headersBuilder.WriteString(key)
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headersBuilder.WriteString(": ")
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headersBuilder.WriteString(value)
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headersBuilder.WriteString("\r\n")
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}
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if !hasConnectionHeader {
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headersBuilder.WriteString("Connection: upgrade\r\n")
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}
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if !hasUpgradeHeader {
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headersBuilder.WriteString("Upgrade: websocket\r\n")
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}
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if !hasHostHeader {
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headersBuilder.WriteString("Host: ")
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headersBuilder.WriteString(transportConfiguration.Host)
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headersBuilder.WriteString("\r\n")
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}
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headersBuilder.WriteString("\r\n")
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_, err = conn.Write([]byte(headersBuilder.String()))
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if err != nil {
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return nil, err
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}
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err = req.Write(conn)
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if err != nil {
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return nil, err
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}
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connRF := &ConnRF{
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@ -150,6 +104,13 @@ func dialhttpUpgrade(ctx context.Context, dest net.Destination, streamSettings *
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return connRF, nil
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}
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//http.Header.Add() will convert headers to MIME header format.
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//Some people don't like this because they want to send "Web*S*ocket".
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//So we add a simple function to replace that method.
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func AddHeader(header http.Header, key, value string) {
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header[key] = append(header[key], value)
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}
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func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
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newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
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@ -62,7 +62,7 @@ func (s *server) Handle(conn net.Conn) (stat.Connection, error) {
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ProtoMinor: 1,
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Header: http.Header{},
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}
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resp.Header.Set("Connection", "upgrade")
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resp.Header.Set("Connection", "Upgrade")
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resp.Header.Set("Upgrade", "websocket")
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err = resp.Write(conn)
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if err != nil {
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