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https://github.com/bingohuang/docker-labs.git
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f816be6f69
* Add DNS support for PWD instances * Store IP address of PWD in all session networks and restore it with the same IP address * Remove unnecesary print * Change url format to pwd<ip>-port for better DNS filtering * Make PWD listen on 80 and 443 for DNS resolve to work
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package handlers
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import (
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"crypto/tls"
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"fmt"
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"net"
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"net/http"
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"strings"
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"github.com/franela/play-with-docker/config"
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"github.com/gorilla/mux"
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"github.com/yhat/wsutil"
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)
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func NewMultipleHostWebsocketReverseProxy() *wsutil.ReverseProxy {
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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}
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director := func(req *http.Request) {
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v := mux.Vars(req)
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node := v["node"]
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port := v["port"]
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hostPort := strings.Split(req.Host, ":")
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// give priority to the URL host port
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if len(hostPort) > 1 && hostPort[1] != config.PortNumber {
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port = hostPort[1]
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} else if port == "" {
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port = "80"
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}
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if strings.HasPrefix(node, "pwd") {
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// Node is actually an ip, need to convert underscores by dots.
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ip := strings.Replace(strings.TrimPrefix(node, "pwd"), "_", ".", -1)
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if net.ParseIP(ip) == nil {
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// Not a valid IP, so treat this is a hostname.
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} else {
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node = ip
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}
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}
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if port == "443" {
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// Only proxy http for now
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req.URL.Scheme = "wss"
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} else {
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// Only proxy http for now
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req.URL.Scheme = "ws"
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}
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req.URL.Host = fmt.Sprintf("%s:%s", node, port)
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}
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return &wsutil.ReverseProxy{Director: director, TLSClientConfig: tlsConfig}
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}
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