envs
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gopherproxy
mirror of https://git.envs.net/envs/gopherproxy.git
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Add support for proxying to anywhere in Gopherspace

This commit is contained in:
James Mills 2016-09-23 00:35:54 +10:00
parent 0105bbb0d5
commit 8c53aa278f
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2 changed files with 11 additions and 16 deletions
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7
README.md
View File

@ -18,12 +18,7 @@ gopherproxy is written in Go (#golang) using the
$ gopherproxy
```
By default gopherproxy will proxy requests to a locally running Gopher server
on gopher://localhost:70/ -- To change where to proxy to:
```#!bash
$ gopherproxy -host gopher.floodgap.com
```
Then simply visit: http://localhost/gopher.floodgap.com
## License

20
main.go
View File

@ -16,8 +16,6 @@ import (
var (
bind = flag.String("bind", ":80", "[int]:port to bind to")
host = flag.String("host", "localhost", "host to proxy to")
port = flag.Int("port", 70, "port to proxy to")
tpl *template.Template
)
@ -28,7 +26,7 @@ type tplRow struct {
Text string
}
func renderDirectory(w http.ResponseWriter, tpl *template.Template, d gopher.Directory) error {
func renderDirectory(w http.ResponseWriter, tpl *template.Template, hostport string, d gopher.Directory) error {
out := make([]tplRow, len(d))
for i, x := range d {
@ -47,7 +45,8 @@ func renderDirectory(w http.ResponseWriter, tpl *template.Template, d gopher.Dir
} else {
tr.Link = template.URL(
fmt.Sprintf(
"/%s%s",
"/%s/%s%s",
fmt.Sprintf("%s:%d", x.Host, x.Port),
string(byte(x.Type)),
url.QueryEscape(x.Selector),
),
@ -60,17 +59,18 @@ func renderDirectory(w http.ResponseWriter, tpl *template.Template, d gopher.Dir
return tpl.Execute(w, struct {
Title string
Lines []tplRow
}{*host, out})
}{hostport, out})
}
func proxy(w http.ResponseWriter, req *http.Request) {
path := strings.TrimPrefix(req.URL.Path, "/")
parts := strings.Split(strings.TrimPrefix(req.URL.Path, "/"), "/")
hostport := parts[0]
path := strings.Join(parts[1:], "/")
res, err := gopher.Get(
fmt.Sprintf(
"gopher://%s:%d/%s",
*host,
*port,
"gopher://%s/%s",
hostport,
url.QueryEscape(path),
),
)
@ -82,7 +82,7 @@ func proxy(w http.ResponseWriter, req *http.Request) {
if res.Body != nil {
io.Copy(w, res.Body)
} else {
if err := renderDirectory(w, tpl, res.Dir); err != nil {
if err := renderDirectory(w, tpl, hostport, res.Dir); err != nil {
io.WriteString(w, fmt.Sprintf("<b>Error:</b><pre>%s</pre>", err))
return
}