83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package handler
|
|
|
|
import (
|
|
"encoding/json"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"net/http"
|
|
|
|
"senan.xyz/g/gonic/server/subsonic"
|
|
)
|
|
|
|
type metaResponse struct {
|
|
XMLName xml.Name `xml:"subsonic-response" json:"-"`
|
|
*subsonic.Response `json:"subsonic-response"`
|
|
}
|
|
|
|
type errWriter struct {
|
|
w io.Writer
|
|
err error
|
|
}
|
|
|
|
func (ew *errWriter) write(buf []byte) {
|
|
if ew.err != nil {
|
|
return
|
|
}
|
|
_, ew.err = ew.w.Write(buf)
|
|
}
|
|
|
|
func respondRaw(w http.ResponseWriter, r *http.Request,
|
|
code int, sub *subsonic.Response) {
|
|
w.WriteHeader(code)
|
|
res := metaResponse{
|
|
Response: sub,
|
|
}
|
|
ew := &errWriter{w: w}
|
|
switch getStrParam(r, "f") {
|
|
case "json":
|
|
w.Header().Set("Content-Type", "application/json")
|
|
data, err := json.Marshal(res)
|
|
if err != nil {
|
|
log.Printf("could not marshall to json: %v\n", err)
|
|
return
|
|
}
|
|
ew.write(data)
|
|
case "jsonp":
|
|
w.Header().Set("Content-Type", "application/javascript")
|
|
data, err := json.Marshal(res)
|
|
if err != nil {
|
|
log.Printf("could not marshall to json: %v\n", err)
|
|
return
|
|
}
|
|
ew.write([]byte(getStrParamOr(r, "callback", "cb")))
|
|
ew.write([]byte("("))
|
|
ew.write(data)
|
|
ew.write([]byte(");"))
|
|
default:
|
|
w.Header().Set("Content-Type", "application/xml")
|
|
data, err := xml.MarshalIndent(res, "", " ")
|
|
if err != nil {
|
|
log.Printf("could not marshall to xml: %v\n", err)
|
|
return
|
|
}
|
|
ew.write(data)
|
|
}
|
|
if ew.err != nil {
|
|
log.Printf("error writing to response: %v\n", ew.err)
|
|
}
|
|
}
|
|
|
|
func respond(w http.ResponseWriter, r *http.Request,
|
|
sub *subsonic.Response) {
|
|
respondRaw(w, r, http.StatusOK, sub)
|
|
}
|
|
|
|
func respondError(w http.ResponseWriter, r *http.Request,
|
|
code int, message string, a ...interface{}) {
|
|
respondRaw(w, r, http.StatusBadRequest, subsonic.NewError(
|
|
code, fmt.Sprintf(message, a...),
|
|
))
|
|
}
|