60bb01b22c
Trying to make it a little easier to understand and work on all the available routes, etc.
80 lines
2 KiB
Go
80 lines
2 KiB
Go
package dlna
|
|
|
|
import (
|
|
"crypto/md5"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"net"
|
|
"net/http"
|
|
|
|
"github.com/anacrolix/dms/soap"
|
|
"github.com/anacrolix/dms/upnp"
|
|
)
|
|
|
|
func makeDeviceUUID(unique string) string {
|
|
h := md5.New()
|
|
if _, err := io.WriteString(h, unique); err != nil {
|
|
log.Panicf("makeDeviceUUID write failed: %s", err)
|
|
}
|
|
buf := h.Sum(nil)
|
|
return upnp.FormatUUID(buf)
|
|
}
|
|
|
|
// Get all available active network interfaces.
|
|
func listInterfaces() []net.Interface {
|
|
ifs, err := net.Interfaces()
|
|
if err != nil {
|
|
log.Printf("list network interfaces: %v", err)
|
|
return []net.Interface{}
|
|
}
|
|
|
|
var active []net.Interface
|
|
for _, intf := range ifs {
|
|
if intf.Flags&net.FlagUp == 0 || intf.MTU <= 0 {
|
|
continue
|
|
}
|
|
active = append(active, intf)
|
|
}
|
|
return active
|
|
}
|
|
|
|
func didlLite(chardata string) string {
|
|
return `<DIDL-Lite` +
|
|
` xmlns:dc="http://purl.org/dc/elements/1.1/"` +
|
|
` xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/"` +
|
|
` xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"` +
|
|
` xmlns:dlna="urn:schemas-dlna-org:metadata-1-0/">` +
|
|
chardata +
|
|
`</DIDL-Lite>`
|
|
}
|
|
|
|
func mustMarshalXML(value interface{}) []byte {
|
|
ret, err := xml.MarshalIndent(value, "", " ")
|
|
if err != nil {
|
|
log.Panicf("mustMarshalXML failed to marshal %v: %s", value, err)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
// Marshal SOAP response arguments into a response XML snippet.
|
|
func marshalSOAPResponse(sa upnp.SoapAction, args map[string]string) []byte {
|
|
soapArgs := make([]soap.Arg, 0, len(args))
|
|
for argName, value := range args {
|
|
soapArgs = append(soapArgs, soap.Arg{
|
|
XMLName: xml.Name{Local: argName},
|
|
Value: value,
|
|
})
|
|
}
|
|
return []byte(fmt.Sprintf(`<u:%[1]sResponse xmlns:u="%[2]s">%[3]s</u:%[1]sResponse>`,
|
|
sa.Action, sa.ServiceURN.String(), mustMarshalXML(soapArgs)))
|
|
}
|
|
|
|
// HTTP handler that sets headers.
|
|
func withHeader(name string, value string, next http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set(name, value)
|
|
next.ServeHTTP(w, r)
|
|
})
|
|
}
|