kubo/core/corehttp/ipns_hostname.go
Lars Gierth 09d7501724 gateway: make IPNSHostname complete
IPNSHostnameOption() touches the URL path only on the way in,
but not on the way out. This commit makes it complete by
touching the following URLs in responses:

- Heading, file links, back links in directory listings
- Redirecting /foo to /foo/ if there's an index.html link
- Omit Suborigin header

License: MIT
Signed-off-by: Lars Gierth <larsg@systemli.org>
2015-08-17 15:39:19 +02:00

36 lines
1.0 KiB
Go

package corehttp
import (
"net"
"net/http"
"strings"
isd "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-is-domain"
"github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
"github.com/ipfs/go-ipfs/core"
)
// IPNSHostnameOption rewrites an incoming request if its Host: header contains
// an IPNS name.
// The rewritten request points at the resolved name on the gateway handler.
func IPNSHostnameOption() ServeOption {
return func(n *core.IpfsNode, _ net.Listener, mux *http.ServeMux) (*http.ServeMux, error) {
childMux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
ctx, cancel := context.WithCancel(n.Context())
defer cancel()
host := strings.SplitN(r.Host, ":", 2)[0]
if len(host) > 0 && isd.IsDomain(host) {
name := "/ipns/" + host
if _, err := n.Namesys.Resolve(ctx, name); err == nil {
r.Header["X-IPNS-Original-Path"] = []string{r.URL.Path}
r.URL.Path = name + r.URL.Path
}
}
childMux.ServeHTTP(w, r)
})
return childMux, nil
}
}