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package backend
import (
"fmt"
"log"
"net/http"
"os"
"strconv"
"0xacab.org/leap/bitmask-vpn/pkg/bitmask"
)
func CheckAuth(handler http.HandlerFunc, token string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
t := r.Header.Get("X-Auth-Token")
if t == token {
handler(w, r)
} else {
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte("401 - Unauthorized"))
}
}
}
func webOn(w http.ResponseWriter, r *http.Request) {
log.Println("Web UI: on")
SwitchOn()
}
func webOff(w http.ResponseWriter, r *http.Request) {
log.Println("Web UI: off")
SwitchOff()
}
func webStatus(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, ctx.Status.String())
}
func webQuit(w http.ResponseWriter, r *http.Request) {
log.Println("Web UI: quit")
Quit()
os.Exit(0)
}
func enableWebAPI(port int) {
log.Println("Starting WebAPI in port", port)
bitmask.GenerateAuthToken()
token := bitmask.ReadAuthToken()
http.Handle("/vpn/start", CheckAuth(http.HandlerFunc(webOn), token))
http.Handle("/vpn/stop", CheckAuth(http.HandlerFunc(webOff), token))
http.Handle("/vpn/status", CheckAuth(http.HandlerFunc(webStatus), token))
http.Handle("/vpn/quit", CheckAuth(http.HandlerFunc(webQuit), token))
http.ListenAndServe(":"+strconv.Itoa(port), nil)
}
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