Files
go2rtc/internal/hass/api.go
2024-06-16 06:20:45 +03:00

105 lines
2.2 KiB
Go

package hass
import (
"encoding/base64"
"encoding/json"
"net"
"net/http"
"strings"
"github.com/AlexxIT/go2rtc/internal/api"
"github.com/AlexxIT/go2rtc/internal/streams"
"github.com/AlexxIT/go2rtc/internal/webrtc"
)
func apiOK(w http.ResponseWriter, r *http.Request) {
api.Response(w, `{"status":1,"payload":{}}`, api.MimeJSON)
}
func apiStream(w http.ResponseWriter, r *http.Request) {
switch {
// /stream/{id}/add
case strings.HasSuffix(r.RequestURI, "/add"):
var v addJSON
if err := json.NewDecoder(r.Body).Decode(&v); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// we can get three types of links:
// 1. link to go2rtc stream: rtsp://...:8554/{stream_name}
// 2. static link to Hass camera
// 3. dynamic link to Hass camera
if streams.Patch(v.Name, v.Channels.First.Url) != nil {
apiOK(w, r)
} else {
http.Error(w, "", http.StatusBadRequest)
}
// /stream/{id}/channel/0/webrtc
default:
i := strings.IndexByte(r.RequestURI[8:], '/')
if i <= 0 {
http.Error(w, "", http.StatusBadRequest)
return
}
name := r.RequestURI[8 : 8+i]
stream := streams.Get(name)
if stream == nil {
http.Error(w, api.StreamNotFound, http.StatusNotFound)
return
}
if err := r.ParseForm(); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
s := r.FormValue("data")
offer, err := base64.StdEncoding.DecodeString(s)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
s, err = webrtc.ExchangeSDP(stream, string(offer), "hass/webrtc", r.UserAgent())
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
s = base64.StdEncoding.EncodeToString([]byte(s))
_, _ = w.Write([]byte(s))
}
}
func HassioAddr() string {
ints, _ := net.Interfaces()
for _, i := range ints {
if i.Name != "hassio" {
continue
}
addrs, _ := i.Addrs()
for _, addr := range addrs {
if addr, ok := addr.(*net.IPNet); ok {
return addr.IP.String()
}
}
}
return ""
}
type addJSON struct {
Name string `json:"name"`
Channels struct {
First struct {
//Name string `json:"name"`
Url string `json:"url"`
} `json:"0"`
} `json:"channels"`
}